@import "https://fonts.googleapis.com/css2?family=Figtree:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Syne:wght@500;600;700;800&display=swap";:root{--font-display:"Syne", sans-serif;--font-body:"Figtree", sans-serif;--bg:#f4f7fb;--ink:#0b1f3a;--ink-muted:#4d6078;--accent:#1d5fa8;--accent-deep:#154a86;--surface:#fff;--on-accent:#fff;--hero:#0b1f3a;--on-hero:#f4f7fb;--on-hero-muted:#9eb4ce;font-family:var(--font-body);color:var(--ink);background-color:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16.5px;font-weight:400;line-height:1.55}*,:before,:after{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-width:320px}h1,h2,h3{font-family:var(--font-display)}img,svg{max-width:100%;display:block}.btn{font-family:var(--font-body);cursor:pointer;border:1px solid #0000;border-radius:.35rem;justify-content:center;align-items:center;gap:.4rem;padding:.8rem 1.25rem;font-size:.98rem;font-weight:600;text-decoration:none;transition:background .16s,color .16s,border-color .16s,transform .16s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--accent);color:var(--on-accent)}.btn--primary:hover{background:var(--accent-deep)}.btn--ghost{color:var(--ink);border-color:color-mix(in srgb, var(--ink) 18%, transparent);background:0 0}.btn--ghost:hover{border-color:var(--accent-deep);background:color-mix(in srgb, var(--accent) 10%, transparent)}@keyframes rise-in{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}html.is-native-app body{padding-bottom:env(safe-area-inset-bottom,0px)}html.is-native-app .site-footer{padding-bottom:calc(1.25rem + env(safe-area-inset-bottom,0px))}.shell{flex-direction:column;min-height:100dvh;display:flex}.shell main{flex:1}.site-header{z-index:20;padding:.85rem clamp(1.25rem,4vw,3rem);padding-top:calc(.85rem + env(safe-area-inset-top,0px));background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid color-mix(in srgb, var(--accent) 18%, transparent);align-items:center;gap:1.25rem;display:flex;position:sticky;top:0}.brand-mark{color:var(--accent-deep);align-items:center;gap:.7rem;text-decoration:none;display:inline-flex}.brand-mark__icon{flex-shrink:0;width:2.15rem;height:2.15rem}.brand-mark__name{font-family:var(--font-display);letter-spacing:-.02em;text-transform:lowercase;font-size:1.2rem;font-weight:600}.site-nav{align-items:center;gap:.35rem;margin-right:auto;display:flex}.site-nav a,.site-auth a:not(.btn){color:var(--ink-muted);border-radius:.35rem;padding:.45rem .75rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .16s,background .16s}.site-nav a:hover,.site-nav a.is-active,.site-auth a:not(.btn):hover,.site-auth a:not(.btn).is-active{color:var(--accent-deep);background:color-mix(in srgb, var(--accent) 12%, transparent)}.site-auth{flex-shrink:0;align-items:center;gap:.4rem;display:flex}.site-auth__user{color:var(--ink);font-weight:600}.site-auth__cta{color:var(--on-accent);background:var(--accent);padding:.5rem .95rem;font-size:.9rem}.site-auth__cta:hover,.site-auth__cta:focus-visible{color:var(--on-accent);background:var(--accent-deep)}.site-auth__logout{color:var(--ink-muted);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:.35rem;padding:.45rem .75rem;font-size:.95rem;font-weight:500;transition:color .16s,background .16s}.site-auth__logout:hover{color:var(--ink);background:color-mix(in srgb, var(--accent) 14%, transparent)}.site-footer{border-top:1px solid color-mix(in srgb, var(--ink) 8%, transparent);color:var(--ink-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem 2rem;padding:2rem clamp(1.25rem,4vw,3rem) 2.5rem;font-size:.92rem;display:flex}.site-footer__brand{align-items:center;gap:.75rem;display:flex}.site-footer__brand .brand-mark__name{color:var(--accent-deep);margin:0;font-size:1rem}.site-footer__tagline{letter-spacing:.14em;text-transform:uppercase;color:var(--accent-deep);margin:.15rem 0 0;font-size:.72rem;font-weight:600}.site-footer__note{max-width:28rem;margin:0}@media (width<=860px){.site-header{flex-wrap:wrap}.site-nav{order:3;width:100%;margin-right:0;overflow-x:auto}.site-auth{margin-left:auto}}.auth-page{background:radial-gradient(ellipse 55% 45% at 10% 10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%), radial-gradient(ellipse 45% 40% at 95% 90%, color-mix(in srgb, var(--accent-deep) 10%, transparent), transparent 50%), var(--bg);justify-content:center;align-items:center;min-height:calc(100vh - 10rem);padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem);display:flex}.auth-panel{background:color-mix(in srgb, white 78%, var(--bg));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.45rem;width:min(100%,28rem);padding:clamp(1.75rem,4vw,2.35rem);animation:.55s cubic-bezier(.22,1,.36,1) both rise-in}.auth-panel .eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .5rem;font-size:.85rem;font-weight:600}.auth-panel h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .65rem;font-size:clamp(1.85rem,3.5vw,2.25rem);line-height:1.1}.auth-panel__lede{color:var(--ink-muted);margin:0 0 1.5rem;line-height:1.5}.auth-google{background:var(--surface);width:100%;color:var(--ink);border:1px solid color-mix(in srgb, var(--ink) 16%, transparent);font:inherit;cursor:pointer;justify-content:center;gap:.65rem;text-decoration:none}.auth-google:hover{border-color:color-mix(in srgb, var(--accent) 45%, transparent);background:color-mix(in srgb, var(--accent) 6%, white)}.auth-google__mark{flex-shrink:0}.auth-divider{color:var(--ink-muted);letter-spacing:.06em;text-transform:uppercase;grid-template-columns:1fr auto 1fr;align-items:center;gap:.75rem;margin:1.1rem 0;font-size:.8rem;display:grid}.auth-divider:before,.auth-divider:after{content:"";background:color-mix(in srgb, var(--ink) 12%, transparent);height:1px}.auth-form{flex-direction:column;gap:1rem;display:flex}.auth-form__error{color:#9a3412;background:#f9ece7;border-left:3px solid #c2410c;margin:0;padding:.75rem .9rem;font-size:.95rem}.auth-form__ok{color:#145c3a;background:#e8f2ed;border-left:3px solid #1a7a4c;margin:0;padding:.75rem .9rem;font-size:.95rem}.auth-form__forgot{text-align:right;margin:-.35rem 0 0;font-size:.92rem}.auth-form__forgot a{color:var(--accent-deep)}.field{flex-direction:column;gap:.4rem;display:flex}.field span{color:var(--ink);font-size:.9rem;font-weight:600}.field input,.field select,.field textarea{border:1px solid color-mix(in srgb, var(--ink) 16%, transparent);width:100%;color:var(--ink);font:inherit;background:#fff;border-radius:.35rem;padding:.75rem .85rem;transition:border-color .16s,box-shadow .16s}.field textarea{resize:vertical;min-height:8rem}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);outline:none}.auth-form__submit{width:100%;margin-top:.35rem}.auth-form__submit:disabled{opacity:.7;cursor:wait;transform:none}.auth-panel__switch{color:var(--ink-muted);margin:1.35rem 0 0;font-size:.95rem}.auth-panel__switch a{color:var(--accent-deep);font-weight:600;text-decoration:none}.auth-panel__switch a:hover{text-decoration:underline}.account-meta{border-top:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);margin:0 0 1.75rem;padding:1rem 0}.account-meta div{justify-content:space-between;gap:1rem;display:flex}.account-meta div+div{margin-top:.75rem}.account-meta dt{color:var(--ink-muted);font-size:.92rem}.account-meta dd{margin:0;font-weight:600}.account-actions{flex-wrap:wrap;gap:.75rem;display:flex}.account-pref{background:color-mix(in srgb, var(--accent) 6%, var(--surface));border:1px solid color-mix(in srgb, var(--accent) 18%, transparent);border-radius:.4rem;margin:0 0 1.5rem;padding:.95rem 1rem}.account-pref__toggle{color:var(--ink);cursor:pointer;align-items:flex-start;gap:.65rem;font-size:.95rem;font-weight:600;display:flex}.account-pref__toggle input{width:1rem;height:1rem;accent-color:var(--accent);margin-top:.2rem}.account-pref__hint{color:var(--ink-muted);margin-top:.2rem;font-size:.82rem;font-weight:500;display:block}.account-pref__error{color:#9a3412;margin:.55rem 0 0;font-size:.88rem}.account-sessions{border-top:1px solid color-mix(in srgb, var(--ink) 10%, transparent);margin:0 0 1.5rem;padding:1rem 0 0;scroll-margin-top:5.5rem}.account-sessions h2{font-family:var(--font-display);margin:0 0 .35rem;font-size:1.15rem}.account-sessions__lede,.account-sessions__empty,.account-sessions__meta{color:var(--ink-muted);margin:0;font-size:.88rem;line-height:1.45}.account-sessions__lede{margin-bottom:.85rem}.account-sessions__list{gap:.65rem;margin:0 0 .85rem;padding:0;list-style:none;display:grid}.account-sessions__list li{background:color-mix(in srgb, var(--ink) 3%, var(--surface));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.4rem;justify-content:space-between;align-items:center;gap:.75rem;padding:.75rem .85rem;display:flex}.account-sessions__device{flex-wrap:wrap;align-items:center;gap:.4rem;margin:0 0 .2rem;font-weight:650;display:flex}.account-sessions__badge{letter-spacing:.04em;text-transform:uppercase;color:var(--accent-deep);background:color-mix(in srgb, var(--accent) 14%, transparent);border-radius:999px;padding:.15rem .4rem;font-size:.72rem;font-weight:700}.account-sessions__actions{flex-wrap:wrap;gap:.55rem;display:flex}.account-credits{border-top:1px solid color-mix(in srgb, currentColor 12%, transparent);margin-top:1.6rem;padding-top:1.4rem}.account-credits h2{margin:0 0 .35rem;font-size:1.1rem}.account-refunds{border-top:1px solid color-mix(in srgb, currentColor 12%, transparent);margin-top:1.6rem;padding-top:1.4rem}.account-refunds h2{margin:0 0 .35rem;font-size:1.1rem}.account-refunds__list{gap:.85rem;margin:.9rem 0 0;padding:0;list-style:none;display:grid}.account-refunds__list li{border-bottom:1px solid color-mix(in srgb, currentColor 10%, transparent);gap:.7rem;padding:.85rem 0;display:grid}.account-refunds__form{gap:.65rem;display:grid}.account-refunds__form label{gap:.35rem;font-size:.92rem;display:grid}.account-refunds__form textarea{font:inherit;border:1px solid color-mix(in srgb, currentColor 18%, transparent);color:inherit;resize:vertical;background:0 0;padding:.6rem .7rem}.account-refunds__form-actions{flex-wrap:wrap;gap:.55rem;display:flex}.account-refunds__ok{color:#1a7a4c;margin:.6rem 0 0;font-size:.95rem}.account-actions .btn{flex:auto}.credit-shop{gap:.7rem;display:grid}.credit-shop__status,.credit-shop__error,.credit-shop__ok{margin:0;font-size:.92rem;line-height:1.45}.credit-shop__error{color:#9a3412}.credit-shop__ok{color:#1a7a4c}.credit-shop__list{gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.credit-shop__row{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:var(--surface,#fff);justify-content:space-between;align-items:center;gap:.85rem;padding:.75rem .85rem;display:flex}.credit-shop__row.is-popular{border-color:color-mix(in srgb, var(--accent) 45%, transparent)}.credit-shop__name{margin:0 0 .15rem;font-weight:650}.credit-shop__meta{color:var(--ink-muted);margin:0;font-size:.82rem}.pricing-grid--credits{grid-template-columns:repeat(3,minmax(0,1fr));max-width:64rem}@media (width<=820px){.pricing-grid--credits{grid-template-columns:1fr}.credit-shop__row{flex-wrap:wrap}}.course-badge{text-align:center;flex-direction:column;align-items:center;gap:.55rem;margin:0;display:flex}.course-badge__medal{width:5.5rem;height:5.5rem;filter:drop-shadow(0 8px 18px color-mix(in srgb, var(--ink) 12%, transparent));display:block}.course-badge--sm .course-badge__medal{width:3.25rem;height:3.25rem;filter:drop-shadow(0 4px 10px color-mix(in srgb, var(--ink) 10%, transparent))}.course-badge--lg .course-badge__medal{width:8.5rem;height:8.5rem}.course-badge__mark{letter-spacing:-.04em}.course-badge__arc{letter-spacing:.14em;font-family:var(--font-body)}.course-badge__caption{flex-direction:column;gap:.15rem;max-width:9.5rem;display:flex}.course-badge__title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);font-size:.88rem;font-weight:650;line-height:1.25}.course-badge--sm .course-badge__title{font-size:.78rem}.course-badge__meta{color:var(--ink-muted);font-size:.72rem;line-height:1.35}.badge-gallery{grid-template-columns:repeat(auto-fill,minmax(8.5rem,1fr));gap:1.25rem .85rem;margin:0;padding:0;list-style:none;display:grid}.badge-gallery__item{justify-content:center;display:flex}.badge-toast{z-index:80;background:color-mix(in srgb, var(--ink) 48%, transparent);place-items:center;padding:1.25rem;animation:.28s both badge-toast-fade;display:grid;position:fixed;inset:0}.badge-toast__panel{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);text-align:center;width:min(24rem,100%);box-shadow:0 24px 60px color-mix(in srgb, var(--ink) 28%, transparent);border-radius:.55rem;padding:1.75rem 1.5rem 1.4rem;animation:.42s cubic-bezier(.22,1,.36,1) both badge-toast-rise}.badge-toast__kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .85rem;font-size:.72rem;font-weight:700}.badge-toast__panel .course-badge{margin-inline:auto}.badge-toast__lede{color:var(--ink-muted);margin:.9rem 0 1.25rem;font-size:.95rem;line-height:1.5}.badge-toast__actions{flex-wrap:wrap;justify-content:center;gap:.55rem;display:flex}.badge-toast__extra{flex-wrap:wrap;justify-content:center;gap:.75rem;margin:0 0 1rem;padding:0;list-style:none;display:flex}@keyframes badge-toast-fade{0%{opacity:0}to{opacity:1}}@keyframes badge-toast-rise{0%{opacity:0;transform:translateY(16px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.topic-tile__badge{pointer-events:none;position:absolute;top:.75rem;right:.75rem}.topic-tile{position:relative}.topic-tile--complete .tile-progress span{width:100%}.account{max-width:72rem;padding:clamp(2rem,5vh,3.25rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.account__kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .45rem;font-size:.72rem;font-weight:700}.account__header{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1.25rem;display:flex}.account__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .35rem;font-size:clamp(1.55rem,3vw,2.1rem);line-height:1.15}.account__email{color:var(--ink-muted);margin:0}.account__header-actions{flex-wrap:wrap;justify-content:flex-end;gap:.55rem;display:flex}.account__banner{color:var(--ink-muted);margin:1.15rem 0 0;font-size:.95rem;line-height:1.5}.account__stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem;margin:1.75rem 0 1.5rem;display:grid}.account__stats article{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding:1rem 1.1rem 1.05rem}.account__stats p{letter-spacing:.04em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 .35rem;font-size:.78rem;font-weight:650}.account__stats strong{font-family:var(--font-display);letter-spacing:-.03em;font-size:1.35rem;line-height:1.2;display:block}.account__stats span{color:var(--ink-muted);margin-top:.4rem;font-size:.82rem;line-height:1.4;display:block}.account__stats a{color:var(--accent-deep);font-weight:600;text-decoration:none}.account__stats a:hover{text-decoration:underline}.account__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:1rem;display:grid}.account__grid+.account__grid,.account-card--wide{margin-top:1rem}.account__stack{gap:1rem;display:grid}.account-card{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding:1.25rem 1.3rem 1.35rem;scroll-margin-top:5.5rem}.account-card h2{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 .35rem;font-size:1.15rem}.account-card .account-pref{margin:.85rem 0 0}.account-card .account-refunds__list{margin-top:.75rem}.account-card .account-refunds__list li{padding:.75rem 0}.account-card .account-sessions__list li{flex-wrap:wrap;align-items:flex-start}@media (width<=980px){.account__stats{grid-template-columns:repeat(2,minmax(0,1fr))}.account__grid{grid-template-columns:1fr}}@media (width<=560px){.account__stats{grid-template-columns:1fr}.account__header-actions{justify-content:flex-start}}.admin{background:radial-gradient(ellipse 50% 35% at 0% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%), var(--bg);padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.admin__header{max-width:44rem;margin-bottom:1.75rem}.admin__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .5rem;font-size:clamp(1.6rem,3vw,2.1rem)}.admin__lede{color:var(--ink-muted);margin:0;line-height:1.5}.admin__lede code{color:var(--accent-deep);font-size:.88em}.admin__stats{color:var(--accent-deep);margin:.85rem 0 0;font-weight:600}.admin__error{color:#9a3412;background:#f9ece7;border-left:3px solid #c2410c;margin:0 0 1rem;padding:.75rem .9rem}.admin__ok{background:color-mix(in srgb, var(--accent) 10%, white);border-left:3px solid var(--accent);color:var(--accent-deep);margin:0 0 1rem;padding:.75rem .9rem}.admin-panel{background:color-mix(in srgb, var(--surface) 78%, var(--bg));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.4rem;margin-bottom:1.5rem;padding:1.25rem 1.35rem}.admin-panel h2{font-family:var(--font-display);margin:0 0 1rem;font-size:1.15rem}.admin-panel--split{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:1.5rem;display:grid}.admin-list{flex-direction:column;gap:.5rem;margin:0 0 1rem;padding:0;list-style:none;display:flex}.admin-list li{grid-template-columns:1fr auto;align-items:center;gap:.75rem;display:grid}.admin-list__main{text-align:left;color:var(--ink);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);cursor:pointer;font:inherit;background:0 0;border-radius:.35rem;flex-direction:column;gap:.2rem;padding:.75rem .85rem;text-decoration:none;display:flex}.admin-list__main:hover,.admin-list__main.is-active{border-color:color-mix(in srgb, var(--accent) 45%, transparent);background:color-mix(in srgb, var(--accent) 8%, white)}.admin-list__title{font-weight:650}.admin-list__meta{color:var(--ink-muted);font-size:.85rem}.admin-list__danger{color:#9a3412;font:inherit;cursor:pointer;background:0 0;border:none;font-size:.85rem;font-weight:600}.admin-form{gap:.85rem;max-width:36rem;display:grid}.admin-form label{color:var(--ink-muted);gap:.35rem;font-size:.9rem;font-weight:600;display:grid}.admin-form input,.admin-form textarea,.admin-form select{font:inherit;color:var(--ink);border:1px solid color-mix(in srgb, var(--ink) 16%, transparent);background:#fff;border-radius:.35rem;padding:.65rem .75rem;font-weight:400}.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);outline:none}.admin-help summary{color:var(--accent-deep);cursor:pointer;font-size:.85rem;font-weight:600}.admin-help pre{white-space:pre-wrap;color:var(--ink-muted);background:color-mix(in srgb, var(--accent) 5%, var(--surface));border:1px solid color-mix(in srgb, var(--accent) 18%, transparent);border-radius:.35rem;margin:.6rem 0 0;padding:.8rem .9rem;font-size:.78rem;line-height:1.55}.admin-form__check{color:var(--ink);align-items:center;gap:.5rem;font-weight:600;display:flex}.admin-form__check input{width:auto}.admin-filter{appearance:none;color:inherit;font:inherit;cursor:pointer;text-underline-offset:.15em;background:0 0;border:0;padding:0;text-decoration:underline}.admin-filter.is-active{font-weight:600;text-decoration:none}.admin-actions{flex-wrap:wrap;gap:.75rem;display:flex}.admin-outreach__subhead{margin:1.25rem 0 .5rem;font-size:.95rem;font-weight:600}.admin-refunds{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.admin-refund{border:1px solid color-mix(in srgb, currentColor 14%, transparent);padding:1rem 1.1rem}.admin-refund__top{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.admin-refund__title{margin:0;font-weight:600}.admin-refund__meta,.admin-refund__reason,.admin-refund__note{color:color-mix(in srgb, currentColor 72%, transparent);margin:.35rem 0 0;font-size:.95rem}.admin-refund__status{text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:600}.admin-refund__actions{gap:.75rem;margin-top:.9rem;display:grid}.admin-refund__actions label{gap:.35rem;font-size:.9rem;display:grid}.admin-refund__actions input{font:inherit;border:1px solid color-mix(in srgb, currentColor 18%, transparent);color:inherit;background:0 0;padding:.55rem .7rem}.admin-refund__actions textarea{font:inherit;border:1px solid color-mix(in srgb, currentColor 18%, transparent);color:inherit;resize:vertical;background:0 0;min-height:4.5rem;padding:.55rem .7rem}.admin-refund__buttons{flex-wrap:wrap;gap:.6rem;display:flex}.admin-metrics{grid-template-columns:repeat(auto-fit,minmax(8.5rem,1fr));gap:.75rem;margin-bottom:1.5rem;display:grid}.admin-metric{background:color-mix(in srgb, var(--surface) 78%, var(--bg));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.4rem;padding:.9rem 1rem}.admin-metric__value{font-family:var(--font-display);letter-spacing:-.03em;margin:0;font-size:1.65rem}.admin-metric__label{color:var(--ink-muted);margin:.2rem 0 0;font-size:.82rem}.admin-chart{width:100%;height:auto;margin:0 0 1.25rem;display:block}.admin-chart__grid{stroke:color-mix(in srgb, var(--ink) 10%, transparent);stroke-width:1px}.admin-chart__axis{fill:var(--ink-muted);font-size:11px}.admin-chart__area{fill:color-mix(in srgb, var(--accent) 18%, transparent)}.admin-chart__line{stroke:color-mix(in srgb, var(--accent) 82%, var(--ink));stroke-width:2.2px;stroke-linejoin:round;stroke-linecap:round}.admin-chart__dot{fill:color-mix(in srgb, var(--accent) 82%, var(--ink))}.admin-region-bars{gap:.7rem;margin:0;padding:0;list-style:none;display:grid}.admin-region-bars__meta{justify-content:space-between;gap:.75rem;margin-bottom:.25rem;font-size:.92rem;display:flex}.admin-region-bars__label{font-weight:600}.admin-region-bars__count{color:var(--ink-muted)}.admin-region-bars__track{background:color-mix(in srgb, var(--ink) 8%, transparent);border-radius:999px;height:.45rem;overflow:hidden}.admin-region-bars__fill{background:color-mix(in srgb, var(--accent) 72%, var(--ink));border-radius:999px;height:100%}.admin-table-wrap{overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;font-size:.92rem}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid color-mix(in srgb, var(--ink) 8%, transparent);padding:.45rem .55rem}.admin-table th{color:var(--ink-muted);font-weight:600}@media (width<=900px){.admin-panel--split{grid-template-columns:1fr}}.free-course{max-width:56rem;padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.free-course__header{margin-bottom:1.75rem}.free-course__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .5rem;font-size:clamp(1.6rem,3vw,2.1rem)}.free-course__lede{color:var(--ink-muted);margin:0;line-height:1.5}.free-course__error{color:#9a3412;background:#f9ece7;border-left:3px solid #c2410c;margin:0 0 1rem;padding:.75rem .9rem}.free-course__studios{gap:1.5rem;display:grid}.free-course__studio h2{font-family:var(--font-display);margin:0 0 .75rem;font-size:1.1rem}.free-course__studio ul{gap:.65rem;margin:0;padding:0;list-style:none;display:grid}.free-course__card{text-align:left;border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:color-mix(in srgb, var(--surface) 80%, var(--bg));width:100%;color:inherit;font:inherit;cursor:pointer;border-radius:.4rem;flex-direction:column;gap:.25rem;padding:.9rem 1rem;display:flex}.free-course__card:hover,.free-course__card.is-selected{border-color:color-mix(in srgb, var(--accent) 45%, transparent);background:color-mix(in srgb, var(--accent) 8%, white)}.free-course__title{font-weight:650}.free-course__meta{color:var(--accent-deep);font-size:.85rem}.free-course__summary{color:var(--ink-muted);font-size:.9rem;line-height:1.45}.free-course__confirm{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);border-radius:.45rem;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-top:1.5rem;padding:1rem 1.1rem;display:flex;position:sticky;bottom:1rem}.free-course__confirm p{margin:0;font-weight:600}.course-plan{background:radial-gradient(ellipse 50% 40% at 0% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%), var(--bg);max-width:52rem;margin:0 auto;padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.course-plan__header{margin-bottom:1.75rem;animation:.55s cubic-bezier(.22,1,.36,1) both rise-in}.course-plan__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .6rem;font-size:clamp(1.6rem,3vw,2.1rem)}.course-plan__lede{color:var(--ink-muted);max-width:40rem;margin:0;font-size:1.05rem;line-height:1.55}.course-plan__form{gap:1rem;margin-bottom:2.5rem;display:grid}.course-plan__form .field{gap:.45rem;display:grid}.course-plan__form .field span{color:var(--ink);font-size:.9rem;font-weight:600}.course-plan__form textarea{border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);background:color-mix(in srgb, var(--surface) 85%, var(--bg));width:100%;min-height:14rem;color:var(--ink);font:inherit;resize:vertical;border-radius:.4rem;padding:.9rem 1rem;line-height:1.5}.course-plan__form textarea:focus{outline:2px solid color-mix(in srgb, var(--accent) 55%, transparent);outline-offset:1px}.course-plan__actions{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.course-plan__error{background:color-mix(in srgb, #b91c1c 12%, var(--surface));color:#991b1b;border-radius:.35rem;margin:0;padding:.75rem .9rem;font-size:.95rem}.course-plan__result{gap:2rem;animation:.55s cubic-bezier(.22,1,.36,1) both rise-in;display:grid}.course-plan__summary{border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);background:color-mix(in srgb, var(--surface) 80%, var(--bg));border-radius:.45rem;padding:1.25rem 1.35rem}.course-plan__role{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .35rem;font-size:1.25rem}.course-plan__meta{color:var(--ink-muted);margin:0;font-size:.95rem}.course-plan__tags{flex-wrap:wrap;gap:.45rem;margin:.9rem 0 0;padding:0;list-style:none;display:flex}.course-plan__tags li{background:color-mix(in srgb, var(--accent) 14%, transparent);color:var(--accent-deep);border-radius:.25rem;padding:.25rem .65rem;font-size:.8rem;font-weight:600}.course-plan__phase h2{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .4rem;font-size:1.2rem}.course-plan__phase>p{color:var(--ink-muted);margin:0 0 1rem;line-height:1.5}.course-plan__list{gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.course-plan__card{color:inherit;border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);background:color-mix(in srgb, var(--surface) 75%, var(--bg));border-radius:.4rem;grid-template-columns:auto 1fr;gap:.9rem;padding:1rem 1.1rem;text-decoration:none;transition:border-color .16s,transform .16s,background .16s;display:grid}.course-plan__card:hover{border-color:color-mix(in srgb, var(--accent) 45%, transparent);background:color-mix(in srgb, var(--surface) 92%, var(--bg));transform:translateY(-1px)}.course-plan__card-index{font-family:var(--font-display);color:var(--accent-deep);font-size:1.1rem;line-height:1.2}.course-plan__card-body{gap:.25rem;min-width:0;display:grid}.course-plan__card-meta{letter-spacing:.02em;color:var(--ink-muted);text-transform:uppercase;font-size:.8rem;font-weight:600}.course-plan__card-title{font-size:1.05rem;font-weight:700;line-height:1.3}.course-plan__card-reason{color:var(--ink-muted);font-size:.95rem;line-height:1.45}.course-plan__ok{background:color-mix(in srgb, #15803d 12%, var(--surface));color:#166534;border-radius:.35rem;margin:0 0 1rem;padding:.75rem .9rem;font-size:.95rem}.course-plan__add{border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);background:color-mix(in srgb, var(--surface) 80%, var(--bg));border-radius:.45rem;gap:.85rem;padding:1.15rem 1.25rem;display:grid}.course-plan__add h2{font-family:var(--font-display);margin:0;font-size:1.15rem}.course-plan__add select{border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);background:var(--surface);width:100%;color:var(--ink);font:inherit;border-radius:.35rem;padding:.7rem .85rem}.course-plan__card--saved{cursor:default}.course-plan__card--saved:hover{transform:none}.course-plan__card-actions{flex-wrap:wrap;gap:.5rem;margin-top:.55rem;display:flex}.course-plan__card-actions .btn{padding:.45rem .85rem;font-size:.9rem}.course-plan__signup p{margin:0;line-height:1.5}.course-plan__signup--footer{margin-top:.5rem}.course-plan__footnote{color:var(--ink-muted);margin:0;font-size:.9rem;line-height:1.5}@media (width<=640px){.course-plan__card{grid-template-columns:1fr;gap:.35rem}}.preview-banner{border:1px solid color-mix(in srgb, var(--accent) 28%, transparent);background:color-mix(in srgb, var(--accent) 8%, var(--surface));border-radius:.45rem;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.85rem 1.25rem;margin:0 0 1.5rem;padding:.95rem 1.1rem;display:flex}.preview-banner--compact{margin-bottom:1.25rem}.preview-banner__title{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .2rem;font-size:.78rem;font-weight:700}.preview-banner__body{max-width:40rem;color:var(--ink);margin:0;font-size:.92rem;line-height:1.45}.preview-banner__cta{flex:none}.tile-grid{grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.tile{--section-accent:var(--accent);aspect-ratio:1;color:var(--ink);background:color-mix(in srgb, var(--surface) 70%, var(--bg));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.4rem;flex-direction:column;justify-content:space-between;gap:.75rem;padding:1.15rem 1.2rem;text-decoration:none;transition:transform .18s,border-color .18s,background .18s;animation:.55s cubic-bezier(.22,1,.36,1) both rise-in;display:flex;overflow:hidden}.tile-grid li:first-child .tile{animation-delay:40ms}.tile-grid li:nth-child(2) .tile{animation-delay:80ms}.tile-grid li:nth-child(3) .tile{animation-delay:.12s}.tile-grid li:nth-child(4) .tile{animation-delay:.16s}.tile-grid li:nth-child(5) .tile{animation-delay:.2s}.tile-grid li:nth-child(6) .tile{animation-delay:.24s}.tile:hover{border-color:color-mix(in srgb, var(--section-accent) 45%, transparent);background:color-mix(in srgb, var(--section-accent) 6%, white);transform:translateY(-3px)}.tile--static{cursor:default}.tile--static:hover{border-color:color-mix(in srgb, var(--ink) 10%, transparent);background:color-mix(in srgb, var(--surface) 70%, var(--bg));transform:none}.tile__top{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.tile__mark{background:var(--section-accent);border-radius:.25rem;width:1.6rem;height:1.6rem}.tile__arrow{color:var(--ink-muted);font-size:1.15rem;transition:transform .18s,color .18s}.tile:hover .tile__arrow{color:var(--section-accent);transform:translate(3px)}.tile__body{flex-direction:column;gap:.4rem;min-width:0;display:flex}.tile__title{font-family:var(--font-display);letter-spacing:-.02em;margin:0;font-size:1.1rem;font-weight:650;line-height:1.2}.tile__text{color:var(--ink-muted);-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:.92rem;line-height:1.45;display:-webkit-box;overflow:hidden}.tile__footer{color:color-mix(in srgb, var(--section-accent) 80%, var(--ink));font-size:.82rem;font-weight:600}.tile-progress{background:color-mix(in srgb, var(--ink) 12%, transparent);border-radius:999px;height:.25rem;display:block;overflow:hidden}.tile-progress>span{background:var(--section-accent);border-radius:999px;height:100%;transition:width .24s;display:block}@media (width<=480px){.tile-grid{grid-template-columns:1fr}.tile{aspect-ratio:auto;min-height:10rem}}.browse{background:radial-gradient(ellipse 50% 40% at 0% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%), var(--bg);padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.browse__header{max-width:40rem;margin-bottom:1.75rem;animation:.55s cubic-bezier(.22,1,.36,1) both rise-in}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .5rem;font-size:.85rem;font-weight:600}.browse__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .6rem;font-size:clamp(1.6rem,3vw,2.1rem)}.browse__lede{color:var(--ink-muted);margin:0;font-size:1rem;line-height:1.5}.browse__summary{color:var(--accent-deep);margin:.85rem 0 0;font-size:.95rem;font-weight:600}.resume-inline{color:var(--ink-muted);margin:-.75rem 0 1.5rem;font-size:.9rem;line-height:1.45}.resume-inline__link{color:var(--accent-deep);border-bottom:1px solid color-mix(in srgb, var(--accent-deep) 35%, transparent);font-weight:600;text-decoration:none;transition:border-color .16s,color .16s}.resume-inline__link:hover{color:var(--ink);border-bottom-color:var(--ink)}.resume-inline__meta{color:var(--ink-muted)}.browse__request{max-width:40rem;margin:2.5rem 0 0}.hero-autopilot{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:var(--surface);width:100%;box-shadow:0 18px 50px color-mix(in srgb, var(--ink) 10%, transparent), 0 2px 0 color-mix(in srgb, var(--accent) 12%, transparent);text-align:left;margin:0;overflow:hidden}.hero-autopilot__chrome{background:color-mix(in srgb, var(--bg) 55%, var(--surface));border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);align-items:center;gap:.85rem;padding:.65rem .85rem;display:flex}.hero-autopilot__dots{gap:.35rem;display:inline-flex}.hero-autopilot__dots i{background:color-mix(in srgb, var(--ink) 18%, transparent);border-radius:50%;width:.55rem;height:.55rem}.hero-autopilot__dots i:first-child{background:#e8a0a0}.hero-autopilot__dots i:nth-child(2){background:#e2c48a}.hero-autopilot__dots i:nth-child(3){background:#9fc4a4}.hero-autopilot__url{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);color:var(--ink-muted);white-space:nowrap;text-overflow:ellipsis;border-radius:.3rem;flex:1;padding:.32rem .7rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;overflow:hidden}.hero-autopilot__panes{grid-template-columns:minmax(0,1.1fr) minmax(14.5rem,.9fr);min-height:16rem;display:grid}.hero-autopilot__lesson{border-right:1px solid color-mix(in srgb, var(--ink) 10%, transparent);background:linear-gradient(180deg, color-mix(in srgb, var(--accent) 6%, var(--surface)), var(--surface) 40%);padding:1.1rem 1.15rem 1.2rem}.hero-autopilot__lesson h3{font-family:var(--font-display);letter-spacing:-.03em;color:var(--ink);margin:0 0 .65rem;font-size:1.12rem;font-weight:600;line-height:1.2}.hero-autopilot__lesson p{color:var(--ink-muted);margin:0;font-size:.92rem;line-height:1.55}.hero-autopilot__rail{background:color-mix(in srgb, var(--bg) 40%, var(--surface));flex-direction:column;gap:.65rem;padding:.95rem .95rem 1.05rem;display:flex}.hero-autopilot__rail-label{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin:0;font-size:.7rem;font-weight:700}.hero-autopilot__log{flex-direction:column;gap:.6rem;display:flex}.hero-autopilot__bubble{background:color-mix(in srgb, var(--accent) 8%, var(--surface));border:1px solid color-mix(in srgb, var(--accent) 16%, transparent);border-radius:.3rem;padding:.6rem .7rem}.hero-autopilot__bubble--you{background:var(--surface);border-color:color-mix(in srgb, var(--ink) 12%, transparent)}.hero-autopilot__who{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .18rem;font-size:.66rem;font-weight:700}.hero-autopilot__bubble p:last-child{color:var(--ink);margin:0;font-size:.88rem;line-height:1.45}.hero-autopilot__caret{vertical-align:text-bottom;background:var(--accent-deep);width:.4em;height:.9em;margin-left:.08em;animation:.9s step-end infinite hero-autopilot-caret;display:inline-block}@keyframes hero-autopilot-caret{50%{opacity:0}}.hero-autopilot--compact .hero-autopilot__panes{grid-template-columns:1fr;min-height:0}.hero-autopilot--compact .hero-autopilot__lesson{border-right:0;border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding:.75rem .85rem .7rem}.hero-autopilot--compact .hero-autopilot__lesson h3{margin:0 0 .35rem;font-size:.98rem}.hero-autopilot--compact .hero-autopilot__lesson p{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.82rem;display:-webkit-box;overflow:hidden}.hero-autopilot--compact .hero-autopilot__rail{padding:.8rem .85rem .9rem}@media (width<=720px){.hero-autopilot__panes{grid-template-columns:1fr;min-height:0}.hero-autopilot__lesson{border-right:0;border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent)}}@media (prefers-reduced-motion:reduce){.hero-autopilot__caret{display:none}}.course-preview{gap:1rem;display:grid}.course-preview .visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.course-preview__frame{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:var(--surface);box-shadow:0 18px 50px color-mix(in srgb, var(--ink) 10%, transparent), 0 2px 0 color-mix(in srgb, var(--accent) 12%, transparent);opacity:0;transition:opacity .32s,transform .32s;overflow:hidden;transform:translateY(10px)scale(.992)}.course-preview__frame.is-visible{opacity:1;transform:translateY(0)scale(1)}.course-preview__chrome{background:color-mix(in srgb, var(--bg) 55%, var(--surface));border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);align-items:center;gap:.85rem;padding:.7rem .9rem;display:flex}.course-preview__dots{gap:.35rem;display:inline-flex}.course-preview__dots i{background:color-mix(in srgb, var(--ink) 18%, transparent);border-radius:50%;width:.55rem;height:.55rem}.course-preview__dots i:first-child{background:#e8a0a0}.course-preview__dots i:nth-child(2){background:#e2c48a}.course-preview__dots i:nth-child(3){background:#9fc4a4}.course-preview__url{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);color:var(--ink-muted);white-space:nowrap;text-overflow:ellipsis;border-radius:.3rem;flex:1;padding:.35rem .7rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;overflow:hidden}.course-preview__body{background:linear-gradient(180deg, color-mix(in srgb, var(--accent) 5%, var(--surface)), var(--surface) 28%);padding:1rem 1rem 1.15rem}.course-preview__header h3{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 .75rem;font-size:clamp(1.15rem,2vw,1.35rem);line-height:1.2}.course-preview__meta{letter-spacing:.04em;text-transform:uppercase;color:var(--accent-deep);flex-wrap:wrap;gap:.55rem;margin:0 0 .45rem;font-size:.78rem;font-weight:700;display:flex}.course-preview__meta span+span:before{content:"·";color:color-mix(in srgb, var(--ink) 30%, transparent);margin-right:.55rem}.course-preview__progress{background:color-mix(in srgb, var(--ink) 10%, transparent);height:.28rem;overflow:hidden}.course-preview__progress span{background:var(--accent);height:100%;transition:width .5s cubic-bezier(.22,1,.36,1);display:block}.course-preview__layout{grid-template-columns:minmax(9.5rem,.34fr) minmax(0,1fr);gap:1rem;min-height:17.5rem;margin-top:1rem;display:grid}.course-preview__toc{border-right:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding-right:.75rem}.course-preview__toc-label{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 .55rem;font-size:.72rem;font-weight:700}.course-preview__toc ol{gap:.2rem;margin:0;padding:0;list-style:none;display:grid}.course-preview__toc li{color:var(--ink-muted);grid-template-columns:1.6rem 1fr;align-items:baseline;gap:.35rem;padding:.38rem .4rem;font-size:.82rem;line-height:1.3;display:grid}.course-preview__toc li span{font-family:var(--font-display);color:color-mix(in srgb, var(--ink) 45%, transparent);font-size:.75rem;font-weight:700}.course-preview__toc li.is-current{color:var(--ink);background:color-mix(in srgb, var(--accent) 12%, transparent)}.course-preview__toc li.is-current span{color:var(--accent-deep)}.course-preview__lesson h4{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .75rem;font-size:1.05rem}.course-preview__lesson p{color:var(--ink-muted);margin:0 0 .7rem;font-size:.9rem;line-height:1.55}.course-preview__callout{border-left:3px solid var(--accent);background:color-mix(in srgb, var(--accent) 8%, var(--bg));margin-top:.85rem;padding:.85rem .95rem}.course-preview__callout strong{letter-spacing:.06em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:.3rem;font-size:.78rem;display:block}.course-preview__callout p{color:var(--ink);margin:0;font-size:.88rem}.course-preview__pips{justify-content:center;gap:.45rem;display:flex}.course-preview__pips button{background:color-mix(in srgb, var(--ink) 18%, transparent);cursor:pointer;border:0;border-radius:999px;width:.55rem;height:.55rem;padding:0;transition:width .2s,background .2s}.course-preview__pips button.is-active{background:var(--accent);width:1.35rem}@media (width<=720px){.course-preview__layout{grid-template-columns:1fr;min-height:0}.course-preview__toc{border-right:0;border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding-bottom:.75rem;padding-right:0}.course-preview__toc ol{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){.course-preview__frame{opacity:1;transition:none;transform:none}}.dash{max-width:72rem;padding:clamp(2rem,5vh,3.25rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.dash__kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .45rem;font-size:.72rem;font-weight:700}.dash__hello{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1.25rem;display:flex}.dash__hello h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .35rem;font-size:clamp(1.55rem,3vw,2.1rem);line-height:1.15}.dash__hello p{color:var(--ink-muted);margin:0}.dash__stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:.85rem;margin:1.75rem 0 1.5rem;display:grid}.dash__stats article{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding:1rem 1.1rem 1.05rem}.dash__stats p{letter-spacing:.04em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 .35rem;font-size:.78rem;font-weight:650}.dash__stats strong{font-family:var(--font-display);letter-spacing:-.03em;font-size:1.65rem;line-height:1.1;display:block}.dash__stats span{color:var(--ink-muted);margin-top:.35rem;font-size:.82rem;line-height:1.4;display:block}.dash__stats a{color:var(--accent-deep);font-weight:600;text-decoration:none}.dash__stats a:hover{text-decoration:underline}.dash__main{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:start;gap:1rem;display:grid}.dash-card{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding:1.25rem 1.3rem 1.35rem}.dash-card h2,.dash-tracks h2,.dash-upgrade h2{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 .85rem;font-size:1.15rem}.dash-card--resume{background:linear-gradient(165deg, color-mix(in srgb, var(--accent) 10%, white) 0%, var(--surface) 55%);border-color:color-mix(in srgb, var(--accent) 28%, transparent)}.dash-card__meta{color:var(--accent-deep);margin:0 0 .35rem;font-size:.82rem;font-weight:650}.dash-card__title{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 .45rem;font-size:1.25rem;line-height:1.25}.dash-card__hint{color:var(--ink-muted);margin:0 0 1rem;font-size:.92rem;line-height:1.5}.dash-card__actions{flex-wrap:wrap;gap:.55rem;display:flex}.dash-links{gap:.15rem;margin:0;padding:0;list-style:none;display:grid}.dash-links a{color:inherit;border-radius:.3rem;gap:.15rem;padding:.7rem .55rem;text-decoration:none;display:grid}.dash-links a:hover{background:color-mix(in srgb, var(--accent) 8%, transparent)}.dash-links strong{font-size:.98rem}.dash-links span{color:var(--ink-muted);font-size:.84rem;line-height:1.4}.dash-tracks{margin-top:1.75rem}.dash-tracks__head{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.85rem;display:flex}.dash-tracks__head h2{margin:0}.dash-tracks__head a{color:var(--accent-deep);font-weight:650;text-decoration:none}.dash-tracks__head a:hover{text-decoration:underline}.dash-tracks ul{grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.dash-tracks a{border:1px solid color-mix(in srgb, var(--dash-accent,var(--accent)) 28%, transparent);background:linear-gradient(165deg, color-mix(in srgb, var(--dash-accent,var(--accent)) 12%, white), var(--surface) 70%);min-height:6.5rem;color:inherit;gap:.3rem;padding:1rem 1.05rem;text-decoration:none;display:grid}.dash-tracks a:hover{border-color:var(--dash-accent,var(--accent))}.dash-tracks strong{font-family:var(--font-display);letter-spacing:-.02em;font-size:1.05rem}.dash-tracks span{color:var(--ink-muted);font-size:.84rem;line-height:1.4}.dash-upgrade{color:#f4f7fb;background:#0b1f3a;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.25rem;margin-top:1.5rem;padding:1.25rem 1.35rem;display:flex}.dash-upgrade h2{color:#f4f7fb;margin:0 0 .35rem}.dash-upgrade p{color:#9eb4ce;max-width:38rem;margin:0;line-height:1.5}@media (width<=900px){.dash__stats,.dash-tracks ul{grid-template-columns:repeat(2,minmax(0,1fr))}.dash__main{grid-template-columns:1fr}}@media (width<=560px){.dash__stats,.dash-tracks ul{grid-template-columns:1fr}}.home{overflow:hidden}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.hero{isolation:isolate;--on-hero:var(--ink);--on-hero-muted:var(--ink-muted);background:radial-gradient(ellipse 70% 55% at 50% 18%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%), linear-gradient(180deg, #fff 0%, var(--bg) 55%, color-mix(in srgb, var(--accent) 8%, var(--bg)) 100%);min-height:min(92vh,820px);color:var(--ink);place-items:center;padding:clamp(2.5rem,6vh,4rem) clamp(1.25rem,4vw,3rem);display:grid;position:relative;overflow:hidden}.hero__atmosphere{z-index:0;pointer-events:none;position:absolute;inset:0}.hero__grid{opacity:.35;background-image:linear-gradient(color-mix(in srgb, var(--ink) 10%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--ink) 10%, transparent) 1px, transparent 1px);background-size:48px 48px;animation:18s linear infinite hero-grid-drift;position:absolute;inset:0;-webkit-mask-image:radial-gradient(70% 65% at 50% 42%,#000 20%,#0000 75%);mask-image:radial-gradient(70% 65% at 50% 42%,#000 20%,#0000 75%)}.hero__structure{background:linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--accent) 14%, transparent) 40%, color-mix(in srgb, var(--accent-deep) 22%, transparent) 100%), repeating-linear-gradient(90deg, transparent 0, transparent 72px, color-mix(in srgb, var(--ink) 7%, transparent) 72px, color-mix(in srgb, var(--ink) 7%, transparent) 74px);clip-path:polygon(4% 100%,12% 38%,18% 62%,28% 22%,36% 48%,48% 12%,58% 44%,68% 18%,78% 52%,88% 28%,96% 100%);opacity:.9;width:min(1200px,160vw);height:58%;animation:1.1s cubic-bezier(.22,1,.36,1) both hero-structure-rise;position:absolute;bottom:-8%;left:50%;transform:translate(-50%)}.hero__wash{background:radial-gradient(ellipse 55% 45% at 50% 28%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 68%), linear-gradient(180deg, transparent 58%, color-mix(in srgb, var(--bg) 70%, white) 100%);position:absolute;inset:0}.hero__stage{z-index:1;grid-template-columns:minmax(20rem,1.05fr) minmax(20rem,.9fr);align-items:center;gap:clamp(1.75rem,4vw,3.5rem);width:100%;max-width:72rem;display:grid;position:relative}.hero__content{z-index:1;text-align:left;flex-direction:column;align-items:flex-start;max-width:34rem;display:flex;position:relative}.hero .hero-autopilot{justify-self:end;width:100%;max-width:26rem}.hero-autopilot--right{animation:.8s cubic-bezier(.22,1,.36,1) .28s both rise-in}.hero__logo{width:min(58vw,240px);height:auto;margin:0 0 clamp(.85rem,2vh,1.2rem);animation:.9s cubic-bezier(.22,1,.36,1) 80ms both rise-in}.hero__headline{max-width:14ch;font-family:var(--font-display);letter-spacing:-.04em;color:var(--ink);margin:0 0 .8rem;font-size:clamp(1.85rem,3.6vw,2.55rem);font-weight:600;line-height:1.12;animation:.8s cubic-bezier(.22,1,.36,1) .16s both rise-in}.hero__support{max-width:30rem;color:var(--ink-muted);margin:0 0 1.5rem;font-size:1.05rem;line-height:1.55;animation:.8s cubic-bezier(.22,1,.36,1) .22s both rise-in}.hero__actions{flex-wrap:wrap;justify-content:flex-start;gap:.75rem;animation:.8s cubic-bezier(.22,1,.36,1) .3s both rise-in;display:flex}.hero .btn--primary{background:var(--accent);color:var(--on-accent);min-width:11rem}.hero .btn--primary:hover{background:color-mix(in srgb, var(--accent) 82%, white)}.hero__ghost{color:var(--ink);border-color:color-mix(in srgb, var(--ink) 22%, transparent)}.hero__ghost:hover{border-color:var(--accent-deep);background:color-mix(in srgb, var(--accent) 10%, transparent)}.home-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .55rem;font-size:.78rem;font-weight:700}.section-block{max-width:40rem;margin-bottom:clamp(1.5rem,3vw,2.25rem)}.section-block h2{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .7rem;font-size:clamp(1.55rem,2.8vw,2.1rem);line-height:1.15}.section-block__lede{color:var(--ink-muted);margin:0;font-size:1.02rem;line-height:1.6}.home-preview{color:var(--on-hero);background:radial-gradient(ellipse 55% 70% at 100% 20%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 62%), linear-gradient(165deg, color-mix(in srgb, var(--hero) 92%, #000) 0%, var(--hero) 48%, color-mix(in srgb, var(--accent-deep) 55%, var(--hero)) 100%);border-bottom:1px solid color-mix(in srgb, var(--on-hero) 12%, transparent);grid-template-columns:minmax(0,.92fr) minmax(0,1.2fr);align-items:center;gap:clamp(1.75rem,4vw,3.25rem);padding:clamp(3rem,8vh,5rem) clamp(1.25rem,4vw,3rem);display:grid}.home-preview .home-kicker{color:color-mix(in srgb, var(--accent) 55%, white)}.home-preview__copy h2{max-width:16ch;font-family:var(--font-display);letter-spacing:-.035em;color:var(--on-hero);margin:0 0 .75rem;font-size:clamp(1.55rem,2.8vw,2.1rem);line-height:1.15}.home-preview__copy>p{max-width:34rem;color:var(--on-hero-muted);margin:0 0 1.1rem;font-size:1.02rem;line-height:1.6}.home-preview__bullets{gap:.55rem;margin:0 0 1.5rem;padding:0;list-style:none;display:grid}.home-preview__bullets li{color:color-mix(in srgb, var(--on-hero) 92%, transparent);padding-left:1.15rem;font-size:.98rem;line-height:1.45;position:relative}.home-preview__bullets li:before{content:"";background:var(--accent);width:.4rem;height:.4rem;box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);border-radius:50%;position:absolute;top:.55em;left:0}.home-preview .btn--primary{background:var(--accent);color:var(--on-accent)}.home-preview .btn--primary:hover{background:color-mix(in srgb, var(--accent) 82%, white)}.home-preview .course-preview__frame{border-color:color-mix(in srgb, var(--on-hero) 18%, transparent);box-shadow:0 24px 60px #00000061, 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent)}.home-preview .course-preview__pips button{background:color-mix(in srgb, var(--on-hero) 28%, transparent)}.home-preview .course-preview__pips button.is-active{background:var(--accent)}.home-audience{grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);align-items:start;gap:clamp(1.75rem,4vw,3.5rem);padding:clamp(3rem,8vh,5rem) clamp(1.25rem,4vw,3rem);display:grid}.home-audience__intro h2{max-width:14ch;font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .75rem;font-size:clamp(1.7rem,3vw,2.25rem);line-height:1.15}.home-audience__intro p{max-width:32rem;color:var(--ink-muted);margin:0;font-size:1.02rem;line-height:1.6}.home-audience__list{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);margin:0;padding:0;list-style:none}.home-audience__list li{border-bottom:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding:1.35rem 0}.home-audience__list h3{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .4rem;font-size:1.15rem}.home-audience__list p{max-width:38rem;color:var(--ink-muted);margin:0;line-height:1.55}.home-outcomes{border-top:1px solid color-mix(in srgb, var(--ink) 8%, transparent);padding:clamp(2.5rem,7vh,4.5rem) clamp(1.25rem,4vw,3rem)}.home-outcomes__grid{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;display:grid}.home-outcomes__grid li{border-bottom:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding:1.5rem 1.25rem 1.5rem 0}.home-outcomes__grid li:nth-child(2n){border-left:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding-left:1.25rem;padding-right:0}.home-outcomes__grid h3{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .45rem;font-size:1.12rem}.home-outcomes__grid p{color:var(--ink-muted);max-width:36rem;margin:0;line-height:1.55}.home-method{background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, var(--bg)), color-mix(in srgb, var(--surface) 88%, var(--bg)));border:1px solid color-mix(in srgb, var(--accent) 16%, transparent);grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:center;gap:clamp(1.75rem,4vw,3.25rem);margin:0 clamp(1.25rem,4vw,3rem) clamp(2.5rem,6vh,3.5rem);padding:clamp(1.75rem,4vw,2.5rem);display:grid}.home-method__copy h2{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 .7rem;font-size:clamp(1.45rem,2.5vw,1.85rem);line-height:1.2}.home-method__copy p{color:var(--ink-muted);margin:0;line-height:1.6}.home-method__steps{gap:1rem;margin:0;padding:0;list-style:none;display:grid}.home-method__steps li{color:var(--ink);grid-template-columns:2.5rem 1fr;align-items:baseline;gap:.85rem;font-size:1rem;line-height:1.45;display:grid}.home-method__steps span{font-family:var(--font-display);letter-spacing:.04em;color:var(--accent-deep);font-size:.95rem;font-weight:700}.home-studios{padding:clamp(2.5rem,7vh,4.5rem) clamp(1.25rem,4vw,3rem)}.home-studios__list{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:0 0 1.75rem;padding:0;list-style:none;display:grid}.home-studios__list li{border-bottom:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding:1.35rem 1.1rem 1.35rem 0}.home-studios__list li:nth-child(3n+2),.home-studios__list li:nth-child(3n+3){border-left:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding-left:1.1rem}.home-studios__list h3{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .35rem;font-size:1.05rem}.home-studios__list p{color:var(--ink-muted);margin:0;font-size:.92rem;line-height:1.5}.home-studios__cta{flex-wrap:wrap;gap:.75rem;display:flex}.home-india{padding:0 clamp(1.25rem,4vw,3rem) clamp(2.5rem,6vh,3.5rem)}.home-india__inner{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:linear-gradient(120deg, color-mix(in srgb, var(--accent) 6%, var(--bg)), var(--surface));padding:clamp(1.75rem,4vw,2.5rem)}.home-india__inner h2{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 .65rem;font-size:clamp(1.4rem,2.4vw,1.75rem);line-height:1.2}.home-india__inner>p{max-width:40rem;color:var(--ink-muted);margin:0 0 1.35rem;line-height:1.6}.home-india__actions{flex-wrap:wrap;gap:.75rem;display:flex}.home-india__ghost{color:var(--ink)}.home-cta{padding:0 clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,4.5rem)}.home-cta__inner{background:radial-gradient(ellipse 50% 80% at 0% 50%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 60%), var(--hero);color:var(--on-hero);padding:clamp(2rem,5vw,3rem);position:relative;overflow:hidden}.home-cta__inner:after{content:"";opacity:.15;background-image:linear-gradient(color-mix(in srgb, var(--on-hero) 20%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--on-hero) 20%, transparent) 1px, transparent 1px);pointer-events:none;background-size:36px 36px;position:absolute;inset:0}.home-cta__inner>*{z-index:1;position:relative}.home-cta__inner h2{max-width:22ch;font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 .65rem;font-size:clamp(1.45rem,2.6vw,1.9rem);line-height:1.2}.home-cta__inner>p{max-width:38rem;color:var(--on-hero-muted);margin:0 0 1.5rem;font-size:1.02rem;line-height:1.55}.home-cta__actions{flex-wrap:wrap;gap:.75rem;display:flex}.home-cta__inner .btn--primary{background:var(--accent);color:var(--on-accent)}.home-cta__inner .btn--primary:hover{background:color-mix(in srgb, var(--accent) 82%, white)}.home-cta__ghost{color:var(--on-hero);border-color:color-mix(in srgb, var(--on-hero) 35%, transparent)}.home-cta__ghost:hover{border-color:var(--on-hero);background:color-mix(in srgb, var(--on-hero) 10%, transparent)}@keyframes hero-structure-rise{0%{opacity:0;transform:translate(-50%)translateY(28px)}to{opacity:.9;transform:translate(-50%)translateY(0)}}@keyframes hero-grid-drift{0%{background-position:0 0,0 0}to{background-position:0 48px,48px 0}}@media (width<=960px){.home-preview,.home-audience,.home-method{grid-template-columns:1fr}.home-preview__copy h2,.home-audience__intro h2{max-width:none}.home-studios__list{grid-template-columns:repeat(2,minmax(0,1fr))}.home-studios__list li:nth-child(3n+2),.home-studios__list li:nth-child(3n+3){border-left:0;padding-left:0}.home-studios__list li:nth-child(2n){border-left:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding-left:1.1rem}}@media (width<=860px){.hero__stage{text-align:center;grid-template-columns:1fr;justify-items:center}.hero__content{text-align:center;align-items:center}.hero__headline{max-width:16ch}.hero__actions{justify-content:center}.hero .hero-autopilot{justify-self:center;max-width:26rem}}@media (width<=640px){.hero{min-height:0}.hero__logo{width:min(70vw,240px)}.home-outcomes__grid,.home-studios__list{grid-template-columns:1fr}.home-outcomes__grid li:nth-child(2n),.home-studios__list li:nth-child(2n){border-left:0;padding-left:0}}@media (prefers-reduced-motion:reduce){.hero__grid,.hero__structure,.hero-autopilot,.hero__logo,.hero__headline,.hero__support,.hero__actions{animation:none!important}}.pricing{overflow:hidden}.pricing-hero{isolation:isolate;color:var(--ink);padding:clamp(3rem,8vh,5rem) clamp(1.25rem,4vw,3rem) clamp(2.5rem,6vh,3.5rem);position:relative}.pricing-hero__atmosphere{z-index:0;pointer-events:none;background:radial-gradient(ellipse 65% 55% at 18% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%), radial-gradient(ellipse 50% 40% at 92% 20%, color-mix(in srgb, var(--accent-deep) 10%, transparent), transparent 65%), linear-gradient(180deg, #fff 0%, var(--bg) 100%);position:absolute;inset:0}.pricing-hero__inner{z-index:1;max-width:40rem;animation:.7s cubic-bezier(.22,1,.36,1) both pricing-rise;position:relative}.pricing-hero__brand{font-family:var(--font-display);letter-spacing:-.04em;color:var(--ink);margin:0 0 .85rem;font-size:clamp(1.65rem,3.2vw,2.15rem);font-weight:700}.pricing-hero h1{max-width:18ch;font-family:var(--font-display);letter-spacing:-.03em;color:var(--ink);margin:0 0 .85rem;font-size:clamp(1.35rem,2.5vw,1.75rem);font-weight:600;line-height:1.2}.pricing-hero__lede{color:var(--ink-muted);margin:0 0 1.35rem;font-size:1.05rem;line-height:1.55}.pricing-trust{flex-wrap:wrap;gap:.45rem .35rem;margin:0;padding:0;list-style:none;display:flex}.pricing-trust li{letter-spacing:.02em;color:var(--accent-deep);border:1px solid color-mix(in srgb, var(--accent) 28%, transparent);background:color-mix(in srgb, var(--accent) 7%, white);padding:.35rem .7rem;font-size:.78rem;font-weight:600}.pricing__mock,.pricing__active,.pricing__status{color:var(--ink-muted);margin:1rem 0 0;font-size:.95rem;line-height:1.45}.pricing__mock{border-left:3px solid var(--accent);background:color-mix(in srgb, var(--accent) 8%, white);color:var(--ink);padding:.75rem .9rem}.pricing__active a{color:var(--accent-deep);font-weight:600}.pricing__error{color:#9a3412;background:#f9ece7;border-left:3px solid #c2410c;margin:0 0 1.25rem;padding:.75rem .9rem}.pricing-plans,.pricing-credits{padding:0 clamp(1.25rem,4vw,3rem) clamp(3rem,7vh,4.5rem)}.pricing-plans__intro{max-width:36rem;margin-bottom:1.75rem;animation:.7s cubic-bezier(.22,1,.36,1) 80ms both pricing-rise}.pricing-plans__intro h2{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 .45rem;font-size:1.35rem}.pricing-plans__intro p{color:var(--ink-muted);margin:0;line-height:1.5}.pricing-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.15rem;max-width:52rem;margin:0;padding:0;list-style:none;display:grid}.pricing-card{background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);flex-direction:column;gap:.55rem;padding:1.55rem 1.4rem 1.4rem;animation:.7s cubic-bezier(.22,1,.36,1) both pricing-rise;display:flex;position:relative}.pricing-card.is-popular{border-color:color-mix(in srgb, var(--accent) 55%, transparent);background:linear-gradient(165deg, color-mix(in srgb, var(--accent) 10%, white) 0%, var(--surface) 48%);box-shadow:0 18px 40px color-mix(in srgb, var(--ink) 8%, transparent)}.pricing-card__badge{letter-spacing:.08em;text-transform:uppercase;color:var(--on-accent);background:var(--accent-deep);padding:.28rem .65rem;font-size:.68rem;font-weight:700;position:absolute;top:0;right:1.15rem;transform:translateY(-50%)}.pricing-card__top h3{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 .35rem;font-size:1.35rem}.pricing-card__tagline{color:var(--ink-muted);min-height:2.8rem;margin:0;line-height:1.45}.pricing-card__price{flex-wrap:wrap;align-items:baseline;gap:.45rem;margin:.5rem 0 0;display:flex}.pricing-card__price span{font-family:var(--font-display);letter-spacing:-.035em;color:var(--ink);font-size:clamp(2rem,3vw,2.35rem);font-weight:700}.pricing-card__price small{color:var(--ink-muted);font-size:.92rem}.pricing-card__effective{color:var(--accent-deep);margin:0;font-size:.86rem;font-weight:600}.pricing-card__effective--spacer{visibility:hidden}.pricing-card__features{flex-direction:column;flex:1;gap:.6rem;margin:.65rem 0 1.1rem;padding:0;list-style:none;display:flex}.pricing-card__features li{color:var(--ink);padding-left:1.15rem;font-size:.95rem;line-height:1.4;position:relative}.pricing-card__features li:before{content:"";background:var(--accent);width:.42rem;height:.42rem;position:absolute;top:.48rem;left:0}.pricing-card__cta{justify-content:center;width:100%}.pricing-card__cta:disabled{opacity:.7;cursor:not-allowed;transform:none}.pricing-included{background:color-mix(in srgb, var(--ink) 96%, var(--accent));color:var(--on-hero);padding:clamp(2.5rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem)}.pricing-included h2{max-width:20ch;font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 1.5rem;font-size:clamp(1.25rem,2.4vw,1.55rem)}.pricing-included__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem 2rem;max-width:52rem;margin:0;padding:0;list-style:none;display:grid}.pricing-included__grid h3{font-family:var(--font-display);letter-spacing:-.02em;color:#fff;margin:0 0 .4rem;font-size:1.05rem}.pricing-included__grid p{color:var(--on-hero-muted);margin:0;font-size:.96rem;line-height:1.5}.pricing-faq{background:var(--bg);padding:clamp(2.75rem,7vh,4rem) clamp(1.25rem,4vw,3rem)}.pricing-faq h2{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 1.35rem;font-size:1.35rem}.pricing-faq__list{flex-direction:column;gap:0;max-width:44rem;margin:0;display:flex}.pricing-faq__item{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding:1.15rem 0}.pricing-faq__item:last-child{border-bottom:1px solid color-mix(in srgb, var(--ink) 12%, transparent)}.pricing-faq__item dt{font-family:var(--font-display);letter-spacing:-.015em;color:var(--ink);margin:0 0 .4rem;font-weight:650}.pricing-faq__item dd{color:var(--ink-muted);margin:0;line-height:1.55}.pricing-closing{background:radial-gradient(ellipse 55% 60% at 100% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%), var(--surface);border-top:1px solid color-mix(in srgb, var(--ink) 8%, transparent);padding:clamp(2.75rem,7vh,4rem) clamp(1.25rem,4vw,3rem) clamp(3.5rem,9vh,5.5rem)}.pricing-closing h2{max-width:22ch;font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 .55rem;font-size:clamp(1.3rem,2.5vw,1.65rem)}.pricing-closing p{max-width:36rem;color:var(--ink-muted);margin:0 0 1.35rem;line-height:1.5}.pricing-closing__actions{flex-wrap:wrap;gap:.65rem;display:flex}@keyframes pricing-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@media (width<=820px){.pricing-grid,.pricing-included__grid{grid-template-columns:1fr}.pricing-card__tagline{min-height:0}.pricing-card__effective--spacer{display:none}}@media (prefers-reduced-motion:reduce){.pricing-hero__inner,.pricing-plans__intro,.pricing-card{animation:none}}.upgrade-current{max-width:36rem;margin-bottom:1.75rem}.upgrade-current h2{font-family:var(--font-display);letter-spacing:-.025em;margin:0 0 .4rem;font-size:1.35rem}.upgrade-current p,.upgrade-top{color:var(--ink-muted);margin:0;line-height:1.5}.upgrade-top a{color:var(--accent-deep);font-weight:650}.pricing-grid--single{max-width:26rem}.legal-page{max-width:40rem;margin:0 auto;padding:2.5rem 1.25rem 4rem}.legal-page h1{font-family:var(--font-display);margin:.35rem 0 .75rem;font-size:clamp(1.8rem,4vw,2.4rem)}.legal-page h2{font-family:var(--font-display);margin:1.75rem 0 .5rem;font-size:1.15rem}.legal-page__lede,.legal-page p,.legal-page li{color:var(--ink-muted);line-height:1.6}.legal-page ul{margin:.4rem 0 0;padding-left:1.2rem}.legal-page__updated{margin-top:2rem;font-size:.9rem}.section-page{--section-accent:var(--accent);background:radial-gradient(ellipse 45% 35% at 100% 0%, color-mix(in srgb, var(--section-accent) 16%, transparent), transparent 55%), var(--bg);padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.section-page--empty{flex-direction:column;align-items:flex-start;gap:.75rem;display:flex}.crumbs{color:var(--ink-muted);flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.75rem;font-size:.9rem;display:flex}.crumbs a{color:var(--accent-deep);font-weight:560;text-decoration:none}.crumbs a:hover{text-decoration:underline}.section-page__header{max-width:42rem;margin-bottom:1.75rem;animation:.55s cubic-bezier(.22,1,.36,1) both rise-in}.section-page__header .eyebrow{color:color-mix(in srgb, var(--section-accent) 75%, var(--ink))}.section-page__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .65rem;font-size:clamp(1.65rem,3vw,2.15rem);line-height:1.1}.section-page__desc{color:var(--ink-muted);margin:0;font-size:1rem;line-height:1.55}.section-page .tile{--section-accent:inherit}.topic-tile__index{font-family:var(--font-display);color:var(--section-accent);font-size:1rem;font-weight:700}.topic-tile__level{color:var(--ink-muted);text-align:right;font-size:.8rem}.topic-tile__foot{flex-direction:column;gap:.45rem;display:flex}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.1"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}.trace-anim{--trace-ok:#2f6f4e;--trace-miss:#9a3412;--trace-pg:#c2410c;--trace-loop:14s;border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 28%, transparent);border-left:3px solid var(--section-accent,var(--accent));background:linear-gradient(135deg, color-mix(in srgb, var(--section-accent,var(--accent)) 8%, var(--surface)), var(--surface));border-radius:.35rem;margin:1.35rem 0 1.6rem;padding:1rem 1.05rem 1.1rem}.trace-anim--cache-aside{--trace-loop:14s}.trace-anim--quorum,.trace-anim--quorum-coordinator{--trace-loop:12s}.trace-anim--hedge{--trace-loop:11s}.trace-anim--fence,.trace-anim--outbox{--trace-loop:13s}.trace-anim--circuit,.trace-anim--stampede{--trace-loop:12s}.trace-anim--ring{--trace-loop:14s}.trace-anim--bucket{--trace-loop:10s}.trace-anim__eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:.35rem;font-size:.72rem;font-weight:700;display:inline-block}.trace-anim__title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);margin:0 0 .75rem;font-size:1.02rem;font-weight:600;line-height:1.35}.trace-anim__layout{gap:.85rem;display:grid}@media (width>=840px){.trace-anim__layout{grid-template-columns:1.7fr 1fr;align-items:start;gap:1rem}}.trace-svg{background:color-mix(in srgb, var(--section-accent,var(--accent)) 5%, var(--surface));border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 18%, transparent);border-radius:.3rem;width:100%;height:auto;display:block}.trace-node{fill:var(--surface);stroke:color-mix(in srgb, var(--ink) 22%, transparent);stroke-width:1.25px}.trace-node__title{fill:var(--ink);font-size:13px;font-family:var(--font-body), system-ui, sans-serif;font-weight:600}.trace-node__sub{fill:var(--ink-muted);font-size:11px;font-family:var(--font-body), system-ui, sans-serif}.trace-edge{stroke:color-mix(in srgb, var(--ink) 22%, transparent);stroke-width:1.5px}.trace-caption,.trace-axis{fill:var(--ink-muted);font-size:12px;font-family:var(--font-body), system-ui, sans-serif}.trace-axis,.trace-caption--muted{font-size:11px}.trace-ok{fill:var(--trace-ok);font-size:11px;font-family:var(--font-body), system-ui, sans-serif}.trace-warn{fill:var(--trace-pg);font-size:11px;font-family:var(--font-body), system-ui, sans-serif}.trace-badge rect{stroke:none}.trace-badge text{fill:#fff;font-size:10px;font-family:var(--font-body), system-ui, sans-serif;font-weight:700}.trace-badge--miss rect{fill:var(--trace-miss)}.trace-badge--ok rect{fill:var(--trace-ok)}.trace-bar-track{fill:color-mix(in srgb, var(--ink) 10%, var(--surface))}.trace-bar{fill:var(--accent);transform-box:fill-box;transform-origin:0}.trace-bar--miss{fill:var(--trace-miss)}.trace-bar--ok{fill:var(--trace-ok)}.trace-bar--pg{fill:var(--trace-pg)}.trace-pkt{offset-rotate:0deg;opacity:0}.trace-pkt__box{stroke:none}.trace-pkt__box--accent{fill:var(--accent)}.trace-pkt__box--ok{fill:var(--trace-ok)}.trace-pkt__box--miss{fill:var(--trace-miss)}.trace-pkt__label{fill:var(--on-accent,#fff);font-size:10px;font-family:var(--font-body), system-ui, sans-serif;font-weight:600}.trace-log{background:color-mix(in srgb, var(--bg) 70%, var(--surface));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);color:var(--ink);border-radius:.3rem;gap:.4rem;margin:0;padding:.75rem .85rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;line-height:1.45;list-style:none;display:grid}.trace-log__line{opacity:.28;animation:trace-logflash var(--trace-loop) linear infinite;grid-template-columns:3.2rem 1fr;gap:.55rem;display:grid}.trace-log__t{color:var(--ink-muted)}.trace-log__line--1{animation-delay:0s}.trace-log__line--2{animation-delay:calc(var(--trace-loop) * .14)}.trace-log__line--3{animation-delay:calc(var(--trace-loop) * .28)}.trace-log__line--4{animation-delay:calc(var(--trace-loop) * .42)}.trace-log__line--5{animation-delay:calc(var(--trace-loop) * .55)}.trace-log__line--6{animation-delay:calc(var(--trace-loop) * .7)}@keyframes trace-logflash{0%,2%{opacity:.25}8%,28%{opacity:1}40%,to{opacity:.35}}.ca-p1{offset-path:path("M 90 78 L 230 78");animation:14s linear infinite ca-hop1}.ca-p2{offset-path:path("M 330 78 L 430 78");animation:14s linear infinite ca-hop2}.ca-p3{offset-path:path("M 280 122 L 280 168");animation:14s linear infinite ca-hop3}.ca-p4{offset-path:path("M 280 168 L 280 122");animation:14s linear infinite ca-hop4}.ca-p5{offset-path:path("M 330 78 L 430 78");animation:14s linear infinite ca-hop5}.ca-p6{offset-path:path("M 230 78 L 90 78");animation:14s linear infinite ca-hop6}.ca-p7{offset-path:path("M 90 78 L 230 78");animation:14s linear infinite ca-hop7}.ca-p8{offset-path:path("M 330 78 L 430 78");animation:14s linear infinite ca-hop8}.ca-p9{offset-path:path("M 230 78 L 90 78");animation:14s linear infinite ca-hop9}@keyframes ca-hop1{0%,2%{offset-distance:0%;opacity:0}3%{opacity:1}10%{offset-distance:100%;opacity:1}11%,to{opacity:0}}@keyframes ca-hop2{0%,11%{offset-distance:0%;opacity:0}12%{opacity:1}18%{offset-distance:100%;opacity:1}19%,to{opacity:0}}@keyframes ca-hop3{0%,24%{offset-distance:0%;opacity:0}25%{opacity:1}32%{offset-distance:100%;opacity:1}33%,to{opacity:0}}@keyframes ca-hop4{0%,33%{offset-distance:0%;opacity:0}34%{opacity:1}40%{offset-distance:100%;opacity:1}41%,to{opacity:0}}@keyframes ca-hop5{0%,41%{offset-distance:0%;opacity:0}42%{opacity:1}48%{offset-distance:100%;opacity:1}49%,to{opacity:0}}@keyframes ca-hop6{0%,49%{offset-distance:0%;opacity:0}50%{opacity:1}56%{offset-distance:100%;opacity:1}57%,to{opacity:0}}@keyframes ca-hop7{0%,62%{offset-distance:0%;opacity:0}63%{opacity:1}68%{offset-distance:100%;opacity:1}69%,to{opacity:0}}@keyframes ca-hop8{0%,69%{offset-distance:0%;opacity:0}70%{opacity:1}75%{offset-distance:100%;opacity:1}76%,to{opacity:0}}@keyframes ca-hop9{0%,80%{offset-distance:0%;opacity:0}81%{opacity:1}86%{offset-distance:100%;opacity:1}87%,to{opacity:0}}.ca-miss{animation:14s linear infinite ca-badge}.ca-hit{animation:14s linear infinite ca-badge-hit}@keyframes ca-badge{0%,18%{opacity:0}19%,28%{opacity:1}29%,to{opacity:0}}@keyframes ca-badge-hit{0%,75%{opacity:0}76%,86%{opacity:1}87%,to{opacity:0}}.ca-bar-api{animation:14s linear infinite ca-bar-api}.ca-bar-redis{animation:14s linear infinite ca-bar-redis}.ca-bar-pg{animation:14s linear infinite ca-bar-pg}.ca-bar-hit{animation:14s linear infinite ca-bar-hit}@keyframes ca-bar-api{0%,2%{transform:scaleX(0)}56%{transform:scaleX(1)}61%{opacity:.35;transform:scaleX(1)}62%,to{opacity:1;transform:scaleX(0)}}@keyframes ca-bar-redis{0%,11%{transform:scaleX(0)}19%{transform:scaleX(.22)}56%{opacity:.35;transform:scaleX(.22)}62%,to{opacity:1;transform:scaleX(0)}}@keyframes ca-bar-pg{0%,24%{transform:scaleX(0)}40%{transform:scaleX(.7)}56%{opacity:.35;transform:scaleX(.7)}62%,to{opacity:1;transform:scaleX(0)}}@keyframes ca-bar-hit{0%,62%{transform:scaleX(0)}68%{transform:scaleX(.18)}86%{transform:scaleX(.18)}90%,to{transform:scaleX(0)}}.q-p1{offset-path:path("M 90 88 L 230 88");animation:12s linear infinite q1}.q-p2{offset-path:path("M 330 70 L 450 48");animation:12s linear infinite q2}.q-p3{offset-path:path("M 330 106 L 450 148");animation:12s linear infinite q3}.q-p4{offset-path:path("M 450 48 L 330 70");animation:12s linear infinite q4}.q-p5{offset-path:path("M 450 148 L 330 106");animation:12s linear infinite q5}.q-p6{offset-path:path("M 230 88 L 90 88");animation:12s linear infinite q6}@keyframes q1{0%,4%{offset-distance:0%;opacity:0}5%{opacity:1}14%{offset-distance:100%;opacity:1}15%,to{opacity:0}}@keyframes q2{0%,18%{offset-distance:0%;opacity:0}19%{opacity:1}30%{offset-distance:100%;opacity:1}31%,to{opacity:0}}@keyframes q3{0%,20%{offset-distance:0%;opacity:0}21%{opacity:1}38%{offset-distance:100%;opacity:1}39%,to{opacity:0}}@keyframes q4{0%,32%{offset-distance:0%;opacity:0}33%{opacity:1}42%{offset-distance:100%;opacity:1}43%,to{opacity:0}}@keyframes q5{0%,48%{offset-distance:0%;opacity:0}49%{opacity:1}58%{offset-distance:100%;opacity:1}59%,to{opacity:0}}@keyframes q6{0%,62%{offset-distance:0%;opacity:0}63%{opacity:1}72%{offset-distance:100%;opacity:1}73%,to{opacity:0}}.q-wal{animation:12s linear infinite qwal}@keyframes qwal{0%,14%{width:0}22%{width:86px}80%{width:86px}90%,to{width:0}}.q-lag-a{animation:12s linear infinite qlaga}.q-lag-b{animation:12s linear infinite qlagb}@keyframes qlaga{0%,18%{opacity:.35}42%,80%{opacity:1}90%,to{opacity:.35}}@keyframes qlagb{0%,20%{opacity:.35}58%,80%{opacity:1}90%,to{opacity:.35}}.r-p1{offset-path:path("M 90 100 L 250 60");animation:11s linear infinite r1}.r-p2{offset-path:path("M 90 100 L 250 160");animation:11s linear infinite r2}.r-p3{offset-path:path("M 250 160 L 90 100");animation:11s linear infinite r3}@keyframes r1{0%,6%{offset-distance:0%;opacity:0}7%{opacity:1}22%{offset-distance:70%;opacity:1}28%{offset-distance:70%;opacity:0}29%,to{opacity:0}}@keyframes r2{0%,30%{offset-distance:0%;opacity:0}32%{opacity:1}44%{offset-distance:100%;opacity:1}45%,to{opacity:0}}@keyframes r3{0%,46%{offset-distance:0%;opacity:0}47%{opacity:1}58%{offset-distance:100%;opacity:1}59%,to{opacity:0}}.r-to{animation:11s linear infinite rto}.r-ok{animation:11s linear infinite rok}.r-clock{animation:11s linear infinite rclock}@keyframes rto{0%,20%{opacity:0}22%,40%{opacity:1}42%,to{opacity:0}}@keyframes rok{0%,44%{opacity:0}46%,80%{opacity:1}82%,to{opacity:0}}@keyframes rclock{0%,22%{transform:scaleX(0)}30%{transform:scaleX(1)}40%{opacity:.4;transform:scaleX(1)}41%,to{opacity:1;transform:scaleX(0)}}.f-p1{offset-path:path("M 110 54 L 250 114");animation:13s linear infinite f1}.f-p2{offset-path:path("M 250 114 L 110 54");animation:13s linear infinite f2}.f-p3{offset-path:path("M 110 174 L 250 114");animation:13s linear infinite f3}.f-p4{offset-path:path("M 250 114 L 110 174");animation:13s linear infinite f4}.f-p5{offset-path:path("M 350 114 L 450 114");animation:13s linear infinite f5}.f-p6{offset-path:path("M 450 114 L 350 114");animation:13s linear infinite f6}.f-p7{offset-path:path("M 110 54 L 450 114");animation:13s linear infinite f7}.f-p8{offset-path:path("M 450 114 L 110 54");animation:13s linear infinite f8}@keyframes f1{0%,3%{offset-distance:0%;opacity:0}4%{opacity:1}12%{offset-distance:100%;opacity:1}13%,to{opacity:0}}@keyframes f2{0%,13%{offset-distance:0%;opacity:0}14%{opacity:1}22%{offset-distance:100%;opacity:1}23%,to{opacity:0}}@keyframes f3{0%,38%{offset-distance:0%;opacity:0}39%{opacity:1}47%{offset-distance:100%;opacity:1}48%,to{opacity:0}}@keyframes f4{0%,48%{offset-distance:0%;opacity:0}49%{opacity:1}56%{offset-distance:100%;opacity:1}57%,to{opacity:0}}@keyframes f5{0%,57%{offset-distance:0%;opacity:0}58%{opacity:1}66%{offset-distance:100%;opacity:1}67%,to{opacity:0}}@keyframes f6{0%,67%{offset-distance:0%;opacity:0}68%{opacity:1}74%{offset-distance:100%;opacity:1}75%,to{opacity:0}}@keyframes f7{0%,76%{offset-distance:0%;opacity:0}77%{opacity:1}86%{offset-distance:100%;opacity:1}87%,to{opacity:0}}@keyframes f8{0%,87%{offset-distance:0%;opacity:0}88%{opacity:1}95%{offset-distance:100%;opacity:1}96%,to{opacity:0}}.f-pause{animation:13s linear infinite fpause}.f-ok{animation:13s linear infinite fok}.f-reject{animation:13s linear infinite freject}.f-worker-a{animation:13s linear infinite fdim}@keyframes fpause{0%,22%{opacity:0}24%,74%{opacity:1}76%,to{opacity:0}}@keyframes fok{0%,66%{opacity:0}68%,75%{opacity:1}77%,to{opacity:0}}@keyframes freject{0%,87%{opacity:0}88%,98%{opacity:1}99%,to{opacity:0}}@keyframes fdim{0%,22%{opacity:1}24%,74%{opacity:.4}76%,to{opacity:1}}.o-p1{offset-path:path("M 110 88 L 250 88");animation:13s linear infinite o1}.o-p2{offset-path:path("M 250 88 L 110 88");animation:13s linear infinite o2}.o-p3{offset-path:path("M 310 114 L 310 168");animation:13s linear infinite o3}.o-p4{offset-path:path("M 370 194 L 450 194");animation:13s linear infinite o4}.o-p5{offset-path:path("M 450 194 L 370 194");animation:13s linear infinite o5}.o-p6{offset-path:path("M 310 168 L 310 114");animation:13s linear infinite o6}@keyframes o1{0%,3%{offset-distance:0%;opacity:0}4%{opacity:1}12%{offset-distance:100%;opacity:1}13%,to{opacity:0}}@keyframes o2{0%,13%{offset-distance:0%;opacity:0}14%{opacity:1}22%{offset-distance:100%;opacity:1}23%,to{opacity:0}}@keyframes o3{0%,40%{offset-distance:0%;opacity:0}41%{opacity:1}50%{offset-distance:100%;opacity:1}51%,to{opacity:0}}@keyframes o4{0%,52%{offset-distance:0%;opacity:0}53%{opacity:1}62%{offset-distance:100%;opacity:1}63%,to{opacity:0}}@keyframes o5{0%,63%{offset-distance:0%;opacity:0}64%{opacity:1}72%{offset-distance:100%;opacity:1}73%,to{opacity:0}}@keyframes o6{0%,73%{offset-distance:0%;opacity:0}74%{opacity:1}82%{offset-distance:100%;opacity:1}83%,to{opacity:0}}.o-crash{animation:13s linear infinite ocrash}.o-drained{animation:13s linear infinite odrained}.o-app{animation:13s linear infinite oapp}@keyframes ocrash{0%,22%{opacity:0}24%,50%{opacity:1}52%,to{opacity:0}}@keyframes odrained{0%,72%{opacity:0}74%,92%{opacity:1}94%,to{opacity:0}}@keyframes oapp{0%,22%{opacity:1}24%,50%{opacity:.35}52%,to{opacity:1}}.trace-state{fill:var(--surface);stroke:var(--trace-ok);stroke-width:2px}.trace-state--miss{stroke:var(--trace-miss)}.trace-state--accent{stroke:var(--accent)}.trace-ring{fill:none;stroke:color-mix(in srgb, var(--ink) 22%, transparent);stroke-width:1.5px}.trace-ring-node{fill:var(--surface);stroke:color-mix(in srgb, var(--ink) 22%, transparent);stroke-width:1.5px}.trace-ring-node--ok{stroke:var(--trace-ok);stroke-width:2px}.trace-bucket{fill:color-mix(in srgb, var(--ink) 8%, var(--surface));stroke:color-mix(in srgb, var(--ink) 22%, transparent)}.tok{fill:var(--accent)}.trace-amp{font-size:22px;font-family:var(--font-display), system-ui, sans-serif;font-weight:700}.trace-amp--miss{fill:var(--trace-miss)}.trace-amp--ok{fill:var(--trace-ok)}.ring-stay{fill:var(--accent)}.cb-closed{animation:12s linear infinite cbclosed}.cb-open{animation:12s linear infinite cbopen}.cb-half{animation:12s linear infinite cbhalf}@keyframes cbclosed{0%,18%{opacity:1}20%,84%{opacity:.28}86%,to{opacity:1}}@keyframes cbopen{0%,38%{opacity:.28}40%,68%{opacity:1}70%,to{opacity:.28}}@keyframes cbhalf{0%,68%{opacity:.28}70%,84%{opacity:1}86%,to{opacity:.28}}.cb-count{animation:12s linear infinite cbcount}.cb-fast{animation:12s linear infinite cbfast}@keyframes cbcount{0%,18%{opacity:0}20%,38%{opacity:1}40%,to{opacity:0}}@keyframes cbfast{0%,40%{opacity:0}42%,66%{opacity:1}68%,to{opacity:0}}.cb-cool{animation:12s linear infinite cbcool}@keyframes cbcool{0%,40%{transform:scaleX(0)}68%{transform:scaleX(1)}70%,to{transform:scaleX(0)}}.cb-probe{offset-path:path("M 90 230 L 250 230");animation:12s linear infinite cbprobe}@keyframes cbprobe{0%,70%{offset-distance:0%;opacity:0}72%{opacity:1}80%{offset-distance:100%;opacity:1}82%,to{opacity:0}}.ring-d{animation:14s linear infinite ringd}.ring-move{fill:var(--trace-ok);animation:14s linear infinite ringmove}@keyframes ringd{0%,35%{opacity:0}38%,to{opacity:1}}@keyframes ringmove{0%,42%{opacity:.35}48%,78%{opacity:1}86%,to{opacity:.35}}.tok-1{animation:10s linear infinite tok}.tok-2{animation:10s linear .6s infinite tok}.tok-3{animation:10s linear 1.2s infinite tok}.tok-4{animation:10s linear 1.8s infinite tok}.tok-5{animation:10s linear 2.4s infinite tok}@keyframes tok{0%,8%{opacity:1}12%,62%{opacity:.12}78%,to{opacity:1}}.tb-ok{animation:10s linear infinite tbok}.tb-429{animation:10s linear infinite tb429}.tb-refill{animation:10s linear infinite tbrefill}@keyframes tbok{0%,4%{opacity:0}6%,28%{opacity:1}32%,to{opacity:0}}@keyframes tb429{0%,30%{opacity:0}32%,52%{opacity:1}54%,to{opacity:0}}@keyframes tbrefill{0%,54%{transform:scaleX(0)}78%{transform:scaleX(1)}90%,to{opacity:.4;transform:scaleX(1)}}.st-nolease{animation:12s linear infinite stno}.st-lease{animation:12s linear infinite styes}.st-n,.st-y{animation:12s linear infinite stflash}@keyframes stno{0%,8%{transform:scaleX(.08)}28%,70%{transform:scaleX(1)}78%,to{transform:scaleX(.08)}}@keyframes styes{0%,8%{transform:scaleX(.08)}28%,70%{transform:scaleX(.12)}78%,to{transform:scaleX(.08)}}@keyframes stflash{0%,20%{opacity:.4}28%,70%{opacity:1}78%,to{opacity:.4}}@media (prefers-reduced-motion:reduce){.trace-anim .trace-pkt,.trace-anim .ca-miss,.trace-anim .ca-hit,.trace-anim .ca-bar-api,.trace-anim .ca-bar-redis,.trace-anim .ca-bar-pg,.trace-anim .ca-bar-hit,.trace-anim .q-p1,.trace-anim .q-p2,.trace-anim .q-p3,.trace-anim .q-p4,.trace-anim .q-p5,.trace-anim .q-p6,.trace-anim .q-wal,.trace-anim .q-lag-a,.trace-anim .q-lag-b,.trace-anim .r-p1,.trace-anim .r-p2,.trace-anim .r-p3,.trace-anim .r-to,.trace-anim .r-ok,.trace-anim .r-clock,.trace-anim .f-p1,.trace-anim .f-p2,.trace-anim .f-p3,.trace-anim .f-p4,.trace-anim .f-p5,.trace-anim .f-p6,.trace-anim .f-p7,.trace-anim .f-p8,.trace-anim .f-pause,.trace-anim .f-ok,.trace-anim .f-reject,.trace-anim .f-worker-a,.trace-anim .o-p1,.trace-anim .o-p2,.trace-anim .o-p3,.trace-anim .o-p4,.trace-anim .o-p5,.trace-anim .o-p6,.trace-anim .o-crash,.trace-anim .o-drained,.trace-anim .o-app,.trace-anim .cb-closed,.trace-anim .cb-open,.trace-anim .cb-half,.trace-anim .cb-count,.trace-anim .cb-fast,.trace-anim .cb-cool,.trace-anim .cb-probe,.trace-anim .ring-d,.trace-anim .ring-move,.trace-anim .tok-1,.trace-anim .tok-2,.trace-anim .tok-3,.trace-anim .tok-4,.trace-anim .tok-5,.trace-anim .tb-ok,.trace-anim .tb-429,.trace-anim .tb-refill,.trace-anim .st-nolease,.trace-anim .st-lease,.trace-anim .st-n,.trace-anim .st-y,.trace-anim .trace-log__line{animation:none!important}.trace-anim .trace-pkt,.trace-anim .ca-miss,.trace-anim .r-to,.trace-anim .f-pause,.trace-anim .o-crash{opacity:0!important}.trace-anim .ca-hit,.trace-anim .r-ok,.trace-anim .q-lag-a,.trace-anim .q-lag-b,.trace-anim .f-reject,.trace-anim .o-drained,.trace-anim .cb-closed,.trace-anim .ring-d,.trace-anim .tb-429,.trace-anim .st-n,.trace-anim .st-y,.trace-anim .trace-log__line{opacity:1!important}.trace-anim .ca-bar-api,.trace-anim .ca-bar-redis,.trace-anim .ca-bar-pg,.trace-anim .ca-bar-hit,.trace-anim .r-clock,.trace-anim .cb-cool,.trace-anim .tb-refill,.trace-anim .st-nolease,.trace-anim .st-lease{transform:none!important}}.ix-block{border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 28%, transparent);border-left:3px solid var(--section-accent,var(--accent));background:linear-gradient(135deg, color-mix(in srgb, var(--section-accent,var(--accent)) 8%, var(--surface)), var(--surface));border-radius:.35rem;margin:1.35rem 0 1.6rem;padding:1rem 1.05rem 1.1rem}.ix-block__head{margin-bottom:.75rem}.ix-block__eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:.35rem;font-size:.72rem;font-weight:700;display:inline-block}.ix-block__prompt{font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);margin:0;font-size:1.02rem;font-weight:600;line-height:1.35}.ix-block__actions{flex-wrap:wrap;gap:.5rem;display:flex}.ix-btn{appearance:none;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:.3rem;padding:.45rem .8rem;font-size:.88rem;font-weight:600}.ix-btn--primary{background:var(--accent);color:var(--on-accent,#fff)}.ix-btn--primary:hover{background:color-mix(in srgb, var(--accent) 82%, white)}.ix-btn--ghost{color:var(--ink);border-color:color-mix(in srgb, var(--ink) 18%, transparent);background:0 0}.ix-btn--ghost:hover{border-color:var(--accent);color:var(--accent-deep)}.ix-drill__hint,.ix-drill__answer{background:color-mix(in srgb, var(--bg) 70%, var(--surface));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.3rem;margin:.85rem 0 0;padding:.75rem .85rem}.ix-drill__hint{color:var(--ink-muted);font-size:.95rem;line-height:1.5}.ix-drill__answer-label{letter-spacing:.06em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .35rem;font-size:.72rem;font-weight:700}.ix-drill__answer p{margin:0;line-height:1.55}.ix-decision__options{gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.ix-decision__option{text-align:left;appearance:none;cursor:pointer;border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);background:var(--surface);width:100%;color:var(--ink);font:inherit;border-radius:.3rem;padding:.75rem .85rem;transition:border-color .16s,background .16s}.ix-decision__option:hover{border-color:color-mix(in srgb, var(--accent) 55%, transparent)}.ix-decision__option.is-selected{border-color:var(--accent)}.ix-decision__option.is-good{background:color-mix(in srgb, #2f6f4e 12%, var(--surface));border-color:#2f6f4e73}.ix-decision__option.is-bad{background:color-mix(in srgb, #8b3a3a 10%, var(--surface));border-color:#8b3a3a66}.ix-decision__option-label{letter-spacing:-.015em;font-weight:650;display:block}.ix-decision__why{color:var(--ink-muted);margin-top:.35rem;font-size:.92rem;line-height:1.45;display:block}.ix-decision__footer{color:var(--ink-muted);margin:.75rem 0 0;font-size:.9rem}.ix-check__progress{color:var(--ink-muted);margin:.35rem 0 0;font-size:.85rem}.ix-check__list{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.ix-check__list label{border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);background:var(--surface);cursor:pointer;border-radius:.3rem;grid-template-columns:1.1rem 1fr;align-items:start;gap:.65rem;padding:.55rem .6rem;line-height:1.45;display:grid}.ix-check__list label.is-done{opacity:.72;text-decoration:line-through;-webkit-text-decoration-color:color-mix(in srgb, var(--ink) 35%, transparent);text-decoration-color:color-mix(in srgb, var(--ink) 35%, transparent)}.ix-check__list input{margin-top:.2rem}.ix-check__done{color:var(--accent-deep);margin:.75rem 0 0;font-size:.9rem;font-weight:600}@media (prefers-reduced-motion:reduce){.ix-decision__option,.ix-btn{transition:none}}.lesson-body{max-width:50rem}.lesson-jump{background:color-mix(in srgb, var(--section-accent) 6%, var(--surface));border:1px solid color-mix(in srgb, var(--section-accent) 22%, transparent);border-radius:.4rem;margin:0 0 1.75rem;padding:.9rem 1rem}.lesson-jump__label{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .5rem;font-size:.72rem;font-weight:700}.lesson-jump ul{flex-wrap:wrap;gap:.4rem .5rem;margin:0;padding:0;list-style:none;display:flex}.lesson-jump a{color:var(--ink);background:var(--surface);border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);border-radius:999px;padding:.3rem .6rem;font-size:.85rem;font-weight:550;text-decoration:none;transition:border-color .16s,color .16s;display:inline-flex}.lesson-jump a:hover{color:var(--accent-deep);border-color:color-mix(in srgb, var(--accent) 50%, transparent)}.lesson-body__heading{font-family:var(--font-display);letter-spacing:-.02em;color:var(--ink);margin:2rem 0 .75rem;scroll-margin-top:6rem;font-size:1.35rem;font-weight:650}.lesson-body__heading:first-child{margin-top:0}.lesson-body__subheading{font-family:var(--font-display);letter-spacing:-.015em;color:var(--ink);margin:1.5rem 0 .6rem;scroll-margin-top:6rem;font-size:1.18rem;font-weight:650}.lesson-body__inline-code{background:color-mix(in srgb, var(--section-accent) 10%, var(--surface));color:var(--accent-deep);border-radius:.25rem;padding:.1rem .35rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.88em}.lesson-body__code{background:color-mix(in srgb, var(--ink) 92%, var(--section-accent));color:#e8eef5;border-radius:.4rem;margin:1rem 0 1.25rem;padding:.9rem 1rem;font-size:.82rem;line-height:1.5;overflow-x:auto}.lesson-body__code code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.lesson-body__markdown-steps{color:var(--ink-muted);margin:0 0 1.25rem;padding-left:1.25rem;font-size:1.15rem;line-height:1.72}.lesson-body__markdown-steps li{margin-bottom:.4rem}.lesson-body__insight-body>p{margin:0}.lesson-mermaid,.lesson-mermaid-wrap{background:color-mix(in srgb, var(--section-accent) 5%, var(--surface));border:1px solid color-mix(in srgb, var(--section-accent) 18%, transparent);border-radius:.45rem;margin:1.25rem 0 1.5rem;padding:.85rem;overflow-x:auto}.lesson-mermaid svg{max-width:100%;height:auto;margin:0 auto;display:block}.lesson-mermaid--fallback{border-style:dashed}.lesson-mermaid__fallback-label{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .5rem;font-size:.72rem;font-weight:700}.lesson-body__p{color:var(--ink-muted);margin:0 0 1.1rem;font-size:1.2rem;line-height:1.78}.lesson-body__bullets,.lesson-body__steps{flex-direction:column;gap:.55rem;margin:0 0 1.25rem;padding:0;list-style:none;display:flex}.lesson-body__bullets li{color:var(--ink-muted);padding-left:1.15rem;font-size:1.15rem;line-height:1.72;position:relative}.lesson-body__bullets li:before{content:"";background:var(--section-accent);border-radius:999px;width:.4rem;height:.4rem;position:absolute;top:.6rem;left:0}.lesson-body__steps li{color:var(--ink-muted);grid-template-columns:1.5rem 1fr;align-items:baseline;gap:.65rem;font-size:1.15rem;line-height:1.72;display:grid}.lesson-body__step-index{width:1.5rem;height:1.5rem;color:var(--on-accent);background:var(--section-accent);border-radius:999px;justify-content:center;align-items:center;font-size:.78rem;font-weight:700;display:inline-flex}.lesson-body__insight{background:color-mix(in srgb, var(--section-accent) 8%, var(--surface));border-left:3px solid var(--section-accent);border-radius:0 .35rem .35rem 0;margin:1.5rem 0;padding:1rem 1.15rem}.lesson-body__insight-label{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:.3rem;font-size:.72rem;font-weight:700;display:block}.lesson-body__insight p{color:var(--ink);margin:0;font-size:1.18rem;line-height:1.72}.lesson-body__table-wrap{margin:1.5rem 0;overflow-x:auto}.lesson-body__table-title{color:var(--ink);margin:0 0 .5rem;font-size:.85rem;font-weight:650}.lesson-body__table{border-collapse:collapse;width:100%;font-size:1.05rem}.lesson-body__table th,.lesson-body__table td{text-align:left;vertical-align:top;border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);padding:.6rem .75rem}.lesson-body__table .lesson-body__md-inline{display:inline}.lesson-body__table .katex-display{margin:.35rem 0}.lesson-body__table th{letter-spacing:.05em;text-transform:uppercase;color:var(--accent-deep);background:color-mix(in srgb, var(--section-accent) 7%, transparent);font-size:.78rem;font-weight:700}.lesson-body__table td{color:var(--ink-muted);line-height:1.5}.diagram{background:color-mix(in srgb, var(--section-accent) 4%, var(--surface));border:1px solid color-mix(in srgb, var(--section-accent) 20%, transparent);border-radius:.45rem;margin:1.75rem 0;padding:1.1rem 1.15rem}.diagram__title{letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:.9rem;font-size:.72rem;font-weight:700}.diagram-flow{flex-wrap:wrap;align-items:stretch;gap:.4rem .5rem;margin:0;padding:0;list-style:none;display:flex}.diagram-flow__item{align-items:center;gap:.5rem;display:flex}.diagram-flow__node{background:var(--surface);border:1px solid color-mix(in srgb, var(--section-accent) 35%, transparent);border-radius:.35rem;flex-direction:column;gap:.15rem;min-width:7rem;max-width:12rem;padding:.6rem .7rem;display:flex}.diagram-flow__label{color:var(--ink);font-size:.88rem;font-weight:650;line-height:1.25}.diagram-flow__detail{color:var(--ink-muted);font-size:.78rem;line-height:1.35}.diagram-flow__arrow{color:var(--section-accent);font-size:1.05rem}.diagram-stack{flex-direction:column;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.diagram-stack__layer{background:color-mix(in srgb, var(--section-accent) calc(6% + (var(--layer-depth) * 5%)), var(--surface));border:1px solid color-mix(in srgb, var(--section-accent) 28%, transparent);border-radius:.3rem;flex-direction:column;gap:.15rem;padding:.65rem .8rem;display:flex}.diagram-stack__label{color:var(--ink);font-size:.9rem;font-weight:650}.diagram-stack__detail{color:var(--ink-muted);font-size:.82rem;line-height:1.45}.diagram-ladder{flex-direction:column;gap:.1rem;margin:0;padding:0;list-style:none;display:flex}.diagram-ladder__step{border-left:2px solid color-mix(in srgb, var(--section-accent) 30%, transparent);grid-template-columns:1.6rem 1fr;gap:.75rem;margin-left:.8rem;padding:.55rem 0 .55rem .9rem;display:grid}.diagram-ladder__marker{width:1.6rem;height:1.6rem;color:var(--on-accent);background:var(--section-accent);border-radius:999px;justify-content:center;align-items:center;margin-left:-1.7rem;font-size:.76rem;font-weight:700;display:inline-flex}.diagram-ladder__body{flex-direction:column;gap:.15rem;display:flex}.diagram-ladder__label{color:var(--ink);font-size:.9rem;font-weight:650}.diagram-ladder__detail{color:var(--ink-muted);font-size:.82rem;line-height:1.45}.diagram-matrix{grid-template-columns:1fr 1fr;gap:.5rem;display:grid}.diagram-matrix__cell{background:var(--surface);border:1px solid color-mix(in srgb, var(--section-accent) 25%, transparent);border-radius:.35rem;flex-direction:column;gap:.2rem;padding:.75rem .85rem;display:flex}.diagram-matrix__label{color:var(--ink);font-size:.88rem;font-weight:650}.diagram-matrix__detail{color:var(--ink-muted);font-size:.8rem;line-height:1.45}@media (width<=620px){.diagram-flow__item{width:100%}.diagram-flow__node{width:100%;max-width:none}.diagram-flow__arrow{transform:rotate(90deg)}.diagram-matrix{grid-template-columns:1fr}}.lesson-image{margin:1.5rem 0}.lesson-image__svg{border-radius:.45rem;width:100%;height:auto;display:block}.lesson-image__caption{color:var(--ink-muted);text-align:center;margin:.55rem 0 0;font-size:.85rem;line-height:1.45}.lesson-body .katex{color:var(--ink);font-size:1.05em}.lesson-body .katex-display{margin:.85rem 0 1.1rem;padding:.15rem 0;overflow:auto hidden}.lesson-body .katex-display>.katex{text-align:center;font-size:1.12em}.ask-mentor-pop{z-index:70;min-width:0;max-width:min(20rem,100vw - 1.5rem);box-shadow:none;pointer-events:none;background:0 0;justify-items:start;padding:0;display:grid;position:fixed;transform:none}.ask-mentor-pop__btn,.ask-mentor-pop--limit{pointer-events:auto}.ask-mentor-pop--limit{box-shadow:0 12px 28px color-mix(in srgb, var(--ink) 16%, transparent);background:#fff8f4;border:1px solid #8b3a3a47;border-radius:.45rem;padding:.65rem .8rem}.ask-mentor-pop__btn{color:#f4f7fb;font-family:var(--font-body);letter-spacing:.01em;cursor:pointer;background:#0b1f3a;border:1px solid #f4f7fb29;border-radius:999px;align-items:center;gap:.5rem;padding:.32rem .8rem .32rem .32rem;font-size:.82rem;font-weight:650;display:inline-flex;box-shadow:0 10px 22px #0b1f3a52}.ask-mentor-pop__btn:hover{background:#132a4a}.ask-mentor-pop__mark{color:#0b1f3a;width:1.45rem;height:1.45rem;font-family:var(--font-display);background:#c4a46a;border-radius:999px;place-items:center;font-size:.72rem;font-weight:800;line-height:1;display:grid}.ask-mentor-pop__title{font-family:var(--font-display);color:#8b3a3a;margin:0;font-size:.92rem;font-weight:700}.ask-mentor-pop__hint{color:#6b3a32;text-align:center;margin:0;font-size:.8rem;line-height:1.4}.lesson-notes{border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 26%, transparent);background:linear-gradient(160deg, color-mix(in srgb, var(--section-accent,var(--accent)) 7%, var(--surface)), var(--surface));border-radius:.4rem;margin:1.75rem 0 1.25rem;padding:1.1rem 1.15rem 1.15rem}.lesson-notes__head{flex-wrap:wrap;justify-content:space-between;gap:.75rem 1rem;margin-bottom:.85rem;display:flex}.lesson-notes__eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .25rem;font-size:.72rem;font-weight:700}.lesson-notes__head h3{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .35rem;font-size:1.05rem}.lesson-notes__lede{max-width:38rem;color:var(--ink-muted);margin:0;font-size:.92rem;line-height:1.5}.lesson-notes__status{color:var(--ink-muted);white-space:nowrap;margin:0;font-size:.82rem}.lesson-notes__status.is-error{color:#8b3a3a}.lesson-notes__input{box-sizing:border-box;border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);background:var(--surface);width:100%;min-height:10rem;color:var(--ink);font:inherit;resize:vertical;border-radius:.35rem;padding:.85rem .95rem;font-size:.95rem;line-height:1.55}.lesson-notes__input:focus{outline:2px solid color-mix(in srgb, var(--accent) 45%, transparent);outline-offset:1px;border-color:var(--accent)}.lesson-notes__input:disabled{opacity:.7}.lesson-notes__meta{color:var(--ink-muted);flex-wrap:wrap;justify-content:space-between;gap:.5rem;margin-top:.55rem;font-size:.82rem;display:flex}.lesson-notes__error{color:#8b3a3a}.lesson-notes .visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.lesson-workbench{border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 26%, transparent);background:linear-gradient(160deg, color-mix(in srgb, var(--section-accent,var(--accent)) 7%, var(--surface)), var(--surface));border-radius:.4rem;margin:1.75rem 0 1.25rem;padding:1.1rem 1.15rem 1.15rem}.lesson-workbench__locked{justify-items:start;gap:.75rem;display:grid}.lesson-workbench__locked p{max-width:38rem;color:var(--ink-muted);margin:0;font-size:.92rem;line-height:1.5}.lesson-workbench .lesson-notes{background:0 0;border:none;border-radius:0;margin:0;padding:0}.lesson-mentor{flex-direction:column;gap:.85rem;display:flex}.lesson-mentor__lede{max-width:40rem;color:var(--ink-muted);margin:0;font-size:.92rem;line-height:1.5}.lesson-mentor__status{color:var(--ink-muted);margin:0;font-size:.92rem}.lesson-mentor__log{flex-direction:column;gap:.7rem;max-height:22rem;padding:.15rem .1rem .35rem;display:flex;overflow:auto}.lesson-mentor__empty p{color:var(--ink-muted);margin:0 0 .7rem;font-size:.92rem}.lesson-mentor__nudges{flex-wrap:wrap;gap:.45rem;display:flex}.lesson-mentor__nudge{border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 35%, transparent);background:var(--surface);color:var(--ink);font:inherit;cursor:pointer;border-radius:999px;padding:.4rem .7rem;font-size:.82rem;font-weight:600}.lesson-mentor__nudge:hover:not(:disabled){border-color:var(--section-accent,var(--accent))}.lesson-mentor__nudge:disabled{opacity:.55;cursor:not-allowed}.lesson-mentor__bubble{background:color-mix(in srgb, var(--section-accent,var(--accent)) 8%, var(--surface));border:1px solid color-mix(in srgb, var(--section-accent,var(--accent)) 16%, transparent);border-radius:.35rem;padding:.7rem .85rem}.lesson-mentor__bubble--you{background:var(--surface);border-color:color-mix(in srgb, var(--ink) 12%, transparent);scroll-margin-top:.6rem}.lesson-mentor__who{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 .25rem;font-size:.7rem;font-weight:700}.lesson-mentor__bubble p:last-child{white-space:pre-wrap;margin:0;font-size:.95rem;line-height:1.55}.lesson-mentor__limit{color:var(--ink-muted);margin:0;font-size:.82rem}.lesson-mentor__limit a{color:var(--accent-deep);font-weight:600}.lesson-mentor__buy{gap:.7rem;display:grid}.lesson-mentor__error{color:#8b3a3a;margin:0;font-size:.88rem}.lesson-mentor__form{gap:.55rem;display:grid}.lesson-mentor__form .btn{justify-self:start}.lesson-mentor__input{box-sizing:border-box;border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);background:var(--surface);width:100%;min-height:4.5rem;color:var(--ink);font:inherit;resize:vertical;border-radius:.35rem;padding:.75rem .85rem;font-size:.95rem;line-height:1.5}.lesson-mentor__input:focus{outline:2px solid color-mix(in srgb, var(--accent) 45%, transparent);outline-offset:1px;border-color:var(--accent)}.lesson-mentor__input:disabled{opacity:.7}.lesson-mentor .visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.mentor-overlay{z-index:90;position:fixed;inset:0}.mentor-overlay__backdrop{background:color-mix(in srgb, var(--ink) 38%, transparent);position:absolute;inset:0}.mentor-overlay__panel{background:var(--surface);width:min(28.5rem,100%);height:100%;max-height:100dvh;box-shadow:-18px 0 48px color-mix(in srgb, var(--ink) 22%, transparent);flex-direction:column;display:flex;position:absolute;top:0;bottom:0;right:0;overflow:hidden}.mentor-overlay__panel.is-landscape{width:min(68rem,94vw);height:auto;max-height:92dvh;box-shadow:0 24px 64px color-mix(in srgb, var(--ink) 28%, transparent);border-radius:.45rem;inset:4vh auto 4vh 50%;transform:translate(-50%)}.mentor-overlay__panel.is-landscape .mentor-overlay__head h2{max-width:42rem}.mentor-overlay__head{border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);color:#f4f7fb;background:#0b1f3a;flex:none;justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.05rem 1.15rem .95rem;display:flex}.mentor-overlay__eyebrow{letter-spacing:.12em;text-transform:uppercase;color:#c4a46a;margin:0 0 .2rem;font-size:.68rem;font-weight:700}.mentor-overlay__head h2{max-width:18rem;font-family:var(--font-display);letter-spacing:-.03em;margin:0;font-size:1.05rem;font-weight:650;line-height:1.25}.mentor-overlay__close{color:#f4f7fb;font:inherit;cursor:pointer;background:0 0;border:1px solid #f4f7fb38;border-radius:999px;flex:none;padding:.35rem .7rem;font-size:.82rem;font-weight:650}.mentor-overlay__close:hover{background:#f4f7fb1a}.mentor-overlay__body{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y;-webkit-user-select:text;user-select:text;flex:1 1 0;min-height:0;padding:1.05rem 1.15rem 1.2rem;overflow:hidden scroll}.mentor-overlay__body .lesson-mentor{display:block}.mentor-overlay__body .lesson-mentor__log{max-height:none;overflow:visible}@media (width<=719px){.mentor-overlay__panel,.mentor-overlay__panel.is-landscape{width:100%;height:min(88dvh,42rem);max-height:88dvh;box-shadow:0 -16px 40px color-mix(in srgb, var(--ink) 20%, transparent);border-radius:.45rem .45rem 0 0;inset:auto 0 0;transform:none}}.lesson-test{gap:.9rem;display:grid}.lesson-test__lede,.lesson-test__status,.lesson-test__limit,.lesson-test__summary,.lesson-test__feedback{color:var(--ink-muted);margin:0;font-size:.92rem;line-height:1.5}.lesson-test__error{color:#9a3412;margin:0;font-size:.92rem}.lesson-test__actions{flex-wrap:wrap;gap:.55rem;display:flex}.lesson-test__form,.lesson-test__results{gap:.9rem;display:grid}.lesson-test__results h3{font-family:var(--font-display);letter-spacing:-.025em;margin:0;font-size:1.1rem}.lesson-test__list{gap:.85rem;margin:0;padding:0;list-style:none;display:grid}.lesson-test__item{border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);background:color-mix(in srgb, var(--ink) 2%, var(--surface));gap:.45rem;padding:.9rem 1rem;display:grid}.lesson-test__item.is-correct{border-color:#1a7a4c59}.lesson-test__item.is-miss{border-color:#9a341259}.lesson-test__item label,.lesson-test__prompt{margin:0;font-weight:650;line-height:1.45}.lesson-test__index{color:var(--accent-deep);letter-spacing:.04em;margin-right:.45rem;font-size:.78rem;display:inline-block}.lesson-test__fieldset{border:0;gap:.55rem;min-width:0;margin:0;padding:0;display:grid}.lesson-test__fieldset legend{padding:0;font-weight:650;line-height:1.45}.lesson-test__choices{gap:.4rem;display:grid}.lesson-test__choice{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);background:var(--surface);cursor:pointer;grid-template-columns:auto 1.4rem 1fr;align-items:start;gap:.5rem;padding:.55rem .65rem;font-weight:450;line-height:1.4;display:grid}.lesson-test__choice.is-picked{border-color:color-mix(in srgb, var(--accent-deep) 45%, transparent);background:color-mix(in srgb, var(--accent-deep) 6%, var(--surface))}.lesson-test__choice input{margin-top:.2rem}.lesson-test__choice-key{letter-spacing:.06em;color:var(--accent-deep);font-size:.72rem;font-weight:700}.lesson-test__pick{margin:0;font-size:.88rem;line-height:1.45}.lesson-test__verdict{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin:0;font-size:.72rem;font-weight:700}.lesson-test__item.is-correct .lesson-test__verdict{color:#1a7a4c}.lesson-test__item.is-miss .lesson-test__verdict{color:#9a3412}.topic-page{--section-accent:var(--accent);max-width:72rem;padding:clamp(2rem,6vh,3.5rem) clamp(1.25rem,4vw,3rem) clamp(3rem,8vh,5rem)}.topic-page--empty{flex-direction:column;align-items:flex-start;gap:.75rem;display:flex}.topic-page__header{margin-bottom:1.75rem;animation:.55s cubic-bezier(.22,1,.36,1) both rise-in}.topic-page__meta{color:color-mix(in srgb, var(--section-accent) 80%, var(--ink));flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;font-size:.9rem;font-weight:600;display:flex}.topic-page__save{color:var(--ink-muted);font-weight:500}.topic-page__title-row{justify-content:space-between;align-items:flex-start;gap:1rem 1.25rem;margin-bottom:.85rem;display:flex}.topic-page__title{min-width:0}.topic-page__header h1{font-family:var(--font-display);letter-spacing:-.035em;margin:0 0 .4rem;font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.15}.topic-page__title>p{color:var(--ink-muted);margin:0;font-size:1.08rem;line-height:1.55}.topic-page__tools{flex-wrap:wrap;flex:none;justify-content:flex-end;gap:.45rem;display:flex}.topic-page__mentor-btn{color:#f4f7fb;font:inherit;cursor:pointer;background:#0b1f3a;border:1px solid #0b1f3a24;border-radius:999px;flex:none;align-items:center;gap:.45rem;margin-top:.15rem;padding:.32rem .8rem .32rem .32rem;font-size:.82rem;font-weight:650;display:inline-flex;box-shadow:0 8px 18px #0b1f3a2e}.topic-page__mentor-btn:hover,.topic-page__mentor-btn.is-open{background:#132a4a}.topic-page__test-btn{color:#0b1f3a;font:inherit;cursor:pointer;background:0 0;border:1px solid #0b1f3a2e;border-radius:999px;align-items:center;margin-top:.15rem;padding:.45rem .85rem;font-size:.82rem;font-weight:650;display:inline-flex}.topic-page__test-btn:hover,.topic-page__test-btn.is-open{background:#0b1f3a14}.topic-page__mentor-mark{color:#0b1f3a;width:1.45rem;height:1.45rem;font-family:var(--font-display);background:#c4a46a;border-radius:999px;place-items:center;font-size:.72rem;font-weight:800;line-height:1;display:grid}.progress-bar{background:color-mix(in srgb, var(--section-accent) 16%, white);border-radius:999px;width:min(100%,28rem);height:.4rem;overflow:hidden}.progress-bar span{background:var(--section-accent);height:100%;transition:width .22s;display:block}.topic-page__status,.topic-page__error{margin:0 0 1rem}.topic-page__error{color:#9a3412;background:#f9ece7;border-left:3px solid #c2410c;padding:.75rem .9rem}.lesson-layout{grid-template-columns:minmax(14rem,18rem) minmax(0,1fr);align-items:start;gap:clamp(1.25rem,3vw,2.5rem);display:grid}.lesson-toc{background:color-mix(in srgb, white 70%, var(--bg));border:1px solid color-mix(in srgb, var(--ink) 10%, transparent);border-radius:.4rem;padding:1rem;position:sticky;top:5.5rem}.lesson-toc__label{letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 .75rem;font-size:.78rem;font-weight:700}.lesson-toc ol{flex-direction:column;gap:.35rem;margin:0;padding:0;list-style:none;display:flex}.lesson-toc__link{color:var(--ink-muted);border-radius:.3rem;grid-template-columns:auto 1fr;gap:.55rem;padding:.55rem .45rem;font-size:.98rem;line-height:1.4;text-decoration:none;display:grid}.lesson-toc__link:hover,.lesson-toc__link.is-current{color:var(--ink);background:color-mix(in srgb, var(--section-accent) 12%, transparent)}.lesson-toc__link.is-done{color:var(--ink)}.lesson-toc__link.is-done .lesson-toc__index{color:var(--accent-deep)}.lesson-toc__link.is-current{box-shadow:inset 2px 0 0 var(--section-accent);font-weight:600}.lesson-toc__index{font-family:var(--font-display);color:var(--section-accent);font-size:.8rem;font-weight:700}.lesson-toc__link.is-locked{opacity:.72}.lesson-toc__link.is-locked .lesson-toc__index{font-size:.75rem}.lesson-locked{border:1px dashed color-mix(in srgb, var(--section-accent) 45%, transparent);background:color-mix(in srgb, var(--section-accent) 6%, var(--bg));margin:0 0 1.5rem;padding:1.5rem 1.35rem}.lesson-locked h2{font-family:var(--font-display);margin:0 0 .55rem;font-size:1.35rem}.lesson-locked p{max-width:36rem;color:var(--ink-muted);margin:0 0 1rem;line-height:1.5}.lesson-locked .btn+.btn{margin-left:.6rem}.lesson-content{max-width:50rem;animation:.55s cubic-bezier(.22,1,.36,1) 60ms both rise-in}.lesson-content--protected{-webkit-user-select:text;user-select:text;-webkit-touch-callout:none}.lesson-content--protected .lesson-actions,.lesson-content--protected .lesson-actions *,.lesson-content--protected .topic-pager,.lesson-content--protected .topic-pager *{-webkit-user-select:none;user-select:none}.lesson-content--protected .lesson-body ::selection{background:color-mix(in srgb, var(--section-accent,var(--accent)) 28%, transparent)}.lesson-content--protected .lesson-panel ::selection{background:color-mix(in srgb, var(--section-accent,var(--accent)) 28%, transparent)}.lesson-content--protected .lesson-content ::selection{background:color-mix(in srgb, var(--section-accent,var(--accent)) 28%, transparent)}.lesson-print-blocked{display:none}@media print{.lesson-content--protected .lesson-body,.lesson-content--protected .lesson-panel,.lesson-content--protected .lesson-workbench,.mentor-overlay,.lesson-content--protected .lesson-actions,.lesson-content--protected .topic-pager{display:none!important}.lesson-print-blocked{color:#111;margin:2rem 0;font-size:1rem;display:block}}.lesson-panel{border:1px dashed color-mix(in srgb, var(--section-accent) 45%, transparent);background:color-mix(in srgb, var(--section-accent) 5%, var(--bg));margin:1.5rem 0;padding:1.25rem 1.35rem}.lesson-panel h3{font-family:var(--font-display);margin:0 0 .45rem;font-size:1.05rem}.lesson-panel p{color:var(--ink-muted);margin:0;line-height:1.55}.lesson-actions{flex-wrap:wrap;align-items:center;gap:.85rem;margin:1.75rem 0 .5rem;display:flex}.lesson-actions__done{color:var(--accent-deep);font-size:.9rem;font-weight:600}.topic-pager{border-top:1px solid color-mix(in srgb, var(--ink) 10%, transparent);grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem;padding-top:1.5rem;display:grid}.topic-pager__link{color:var(--ink);flex-direction:column;gap:.25rem;padding:.85rem 0;text-decoration:none;transition:color .16s;display:flex}.topic-pager__link:hover{color:var(--section-accent)}.topic-pager__link--next{text-align:right;justify-self:end}.topic-pager__label{letter-spacing:.04em;text-transform:uppercase;color:var(--ink-muted);font-size:.8rem;font-weight:600}.topic-pager__title{font-family:var(--font-display);letter-spacing:-.02em;font-weight:650}@media (width<=860px){.lesson-layout{grid-template-columns:1fr}.lesson-toc{position:static}}@media (width<=560px){.topic-page__title-row{flex-wrap:wrap}.topic-pager{grid-template-columns:1fr}.topic-pager__link--next{text-align:left;justify-self:start}}