/* Academy's editorial layer, using the supplied Vinci brand specimen tokens.
   Actual language marks, authoring, and execution remain Foundation-owned. */
:root{--ink:var(--vinci-ink);--muted:#686863;--line:var(--vinci-line);--paper:var(--vinci-paper);--orange:var(--vinci-gold-label);--green:var(--vinci-valid);--soft:#fafaf8;--shadow:var(--vinci-shadow);font-family:var(--vinci-font-ui);color-scheme:light}
body{font-weight:400;background:var(--vinci-paper)}
h1,h2,h3{font-weight:400}
.header{max-width:1160px;padding:24px 42px;background:#fff}
.brand strong{font-size:22px;font-weight:500;letter-spacing:-.5px}
.brand img{width:28px;height:25px}
.brand>span{font-size:12px;border-color:var(--line);color:var(--vinci-mute)}
.header nav{font-size:13px;color:var(--muted);gap:25px}
.button{font-weight:400;font-size:14px;border-color:var(--line);background:white;padding:12px 19px;gap:18px;transition:background 180ms ease,border-color 180ms ease}
.button:hover{transform:none;background:#fafaf8;border-color:#dddcd5}
.button.dark{background:var(--academy-cream);color:#6e5a39;border-color:var(--academy-gold-line)}
.button.dark:hover{background:#f5efdf;border-color:var(--academy-gold-emphasis)}
.button.text{border:0;background:transparent;color:var(--muted)}
.button.small{font-size:13px;padding:10px 16px}
.home,.course{max-width:1160px;padding-left:42px;padding-right:42px}
.hero{grid-template-columns:1.1fr 1fr;gap:48px;min-height:620px;padding:76px 0 64px}
.hero h1{font-size:clamp(56px,6.1vw,80px);font-weight:400;line-height:1.02;letter-spacing:-.045em;margin:28px 0}
.hero .lede{font-size:17px;font-weight:400;line-height:1.65;max-width:37ch;margin:24px 0;color:var(--muted)}
.eyebrow{font:400 11px/1.6 var(--vinci-font-mono);text-transform:none;letter-spacing:.025em;color:var(--vinci-mute)}
.hero-actions{margin-top:28px;gap:24px}
.reassurance{font-size:13px;margin-top:18px;color:var(--vinci-mute)}
.hero-demo{background:none;padding:24px 0 0;align-self:center}
.demo-caption{font-size:13px;line-height:1.8;color:var(--muted);margin-top:24px}
.demo-caption strong{font:400 11px/1.6 var(--vinci-font-mono);margin-bottom:9px;color:var(--vinci-mute)}
.native-hero{min-height:330px}
.course-strip{grid-template-columns:1.35fr 1fr 1fr 1fr;gap:28px;padding:24px 0}
.course-strip strong{font-size:14px;font-weight:400;margin-bottom:5px}
.course-strip span{font-size:13px;line-height:1.65}
.section{padding:96px 0}
.section-head{margin-bottom:48px;gap:48px}
.section h2{font-size:clamp(36px,4vw,48px);line-height:1.12;letter-spacing:-.035em;margin:18px 0}
.section-head p{font-size:16px;max-width:35ch}
.journey{gap:32px}
.journey article{border:0;border-top:1px solid var(--line);border-radius:0;background:none;box-shadow:none;padding:24px 0;min-height:0}
.journey .number{font:400 12px/1.6 var(--vinci-font-mono);color:var(--orange);margin-bottom:24px}
.journey h3{font-size:22px;font-weight:400;letter-spacing:-.025em;margin-bottom:14px}
.journey p{font-size:16px;line-height:1.65}
.journey .footnote{font-size:12px;line-height:1.6;color:var(--vinci-mute)}
.invitation{border:0;border-top:1px solid var(--line);border-radius:0;background:none;margin:0;padding:64px 0 80px;gap:48px}
.invitation h2{font-size:44px;font-weight:400;line-height:1.12;margin:18px 0;letter-spacing:-.035em}
.invitation p{font-size:16px;max-width:43ch}
.invitation .button{white-space:nowrap}
.footer{max-width:1160px;padding:30px 42px 40px;font-size:12px}
.course{padding-top:48px;padding-bottom:80px}
.course h1{font-size:64px;line-height:1.04;letter-spacing:-.04em;font-weight:400;margin-top:20px}
.course-intro{gap:64px;margin-bottom:40px}
.progress-card{box-shadow:none;border-radius:18px;padding:24px;background:#fff}
.progress-card h2{font-weight:400;font-size:21px}
.preview-note{background:#fafaf8;border:1px solid var(--line);font-size:14px;color:var(--muted)}
.preview-note strong{font-weight:500;color:var(--ink)}
.curriculum{gap:0;border-top:1px solid var(--line)}
.chapter{border:0;border-bottom:1px solid var(--line);border-radius:0;background:#fff}
.chapter summary{padding:25px 0;gap:20px;grid-template-columns:46px 1fr auto 20px}
.chapter .chapter-number{font:400 12px/1.5 var(--vinci-font-mono);color:var(--vinci-mute)}
.chapter h2{font-size:22px;font-weight:400}
.chapter .phase{font:400 11px/1.6 var(--vinci-font-mono);color:var(--vinci-mute)}
.chapter-body{padding:0 0 28px 66px}
.pill{background:#fafaf8;border-color:var(--line);color:var(--muted);font-weight:400}
.pill.ready{background:#f8f6f3;border-color:#ebe7e0;color:var(--green)}
.lesson-shell{max-width:1240px;padding:36px 42px 80px}
.lesson-grid{gap:48px}
.lesson-copy h1{font-size:48px;line-height:1.08;letter-spacing:-.035em;font-weight:400}
.lesson-copy p{line-height:1.7}
.lesson-copy strong{font-weight:500}
.lesson-stage{box-shadow:var(--vinci-shadow);border-radius:20px;background:#fff}
.stage-inner{background:#fff}
.stage-bar{border-color:var(--line);font-size:13px}
.stage-bar strong{font-weight:400}
.stage-foot{border-color:var(--line)}
.code-panel{background:#fafaf8;border-color:var(--line)}
.code-panel pre{font-family:var(--vinci-font-mono);font-size:13px;color:var(--ink)}
.code-title,.task-label{font-family:var(--vinci-font-mono);font-weight:400;font-size:11px;letter-spacing:.04em;text-transform:none}
.input-row input{border-color:#dcded7;font-size:16px;background:#fff}
.step-track span{background:#eeeee8}
.step-track span.filled{background:var(--academy-gold-emphasis)}
.answer-options button{border-color:var(--line);font-weight:400}
.answer-options button[aria-pressed="true"]{background:var(--academy-cream);border-color:var(--academy-gold-line)}
.lesson-copy code,.question code{background:var(--academy-cream);color:var(--orange)}
.completion h1{font-weight:400;letter-spacing:-.035em;line-height:1.1}
.complete-mark{font-weight:400}
.learned{box-shadow:none;border-color:var(--line)}
@media(min-width:1500px){.hero{padding:96px 0 80px}}
@media(max-width:900px){.header,.footer{padding-left:28px;padding-right:28px}.home,.course{padding-left:28px;padding-right:28px}.hero{gap:28px;padding:64px 0}.hero h1{font-size:60px}.hero-actions{gap:14px}.course-strip{grid-template-columns:1fr 1fr}.lesson-shell{padding-left:28px;padding-right:28px}.lesson-grid{gap:28px}.lesson-copy h1{font-size:40px}}
@media(max-width:680px){.header{padding:20px 22px}.header .brand img{width:23px}.header .brand strong{font-size:22px}.header .brand>span{font-size:12px}.header .button{font-size:12px;padding:10px 12px}.home,.course{padding-left:22px;padding-right:22px}.hero{grid-template-columns:1fr;padding:48px 0 40px;gap:32px}.hero h1{font-size:56px;line-height:1.04;margin:24px 0}.hero .lede{font-size:16px;max-width:37ch}.hero-actions{gap:18px;flex-wrap:wrap;margin-top:24px}.hero-demo{padding:0;margin:0}.demo-caption{margin-top:20px}.course-strip{gap:24px;padding:24px 0}.section{padding:64px 0}.section-head{margin-bottom:32px}.section h2{font-size:36px}.section-head p{font-size:16px}.journey{grid-template-columns:1fr;gap:12px}.journey article{padding:24px 0}.journey .number{margin-bottom:16px}.invitation{padding:40px 0 64px;display:block}.invitation h2{font-size:36px}.invitation .button{margin-top:24px}.footer{padding:24px 22px 32px}.course h1{font-size:48px}.course-intro{gap:24px}.chapter summary{grid-template-columns:28px 1fr 18px;gap:12px;padding:24px 0}.chapter h2{font-size:20px}.chapter-body{padding:0 0 24px}.lesson-shell{padding:28px 22px 64px}.lesson-grid{gap:32px}.lesson-copy h1{font-size:40px}.lesson-copy p{font-size:16px}.stage-inner{padding:20px 12px}.completion h1{font-size:40px}}
@media(prefers-reduced-motion:reduce){.button{transition:none}}