/* PeakSkill v30: one shared component system. No dependency on older stylesheets. */
:root{--bg:#f7f8f2;--surface:#fff;--surface-2:#eef2e7;--ink:#193b2e;--ink-dim:#506257;--ink-faint:#607064;--gold:#205c47;--gold-2:#154633;--gold-ink:#fff;--green:#205c47;--red:#a32d29;--line:#dce3d7;--line-strong:#b9c9b8;--font-body:'Segoe UI',Arial,sans-serif;--font-display:'Segoe UI',Arial,sans-serif;--font-mono:Consolas,monospace;--radius:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:95px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,pre{margin:0}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.045em;font-weight:720}
h1{font-size:clamp(32px,4vw,52px)}
h2{font-size:clamp(27px,3vw,37px)}
h3{font-size:23px}
p{color:var(--ink-dim)}
a{color:var(--gold);text-decoration:none}
a:hover{color:#0f3828}
button,input,select,textarea{font:inherit}
button,a,input,select,summary{ -webkit-tap-highlight-color:transparent}
button{cursor:pointer}
img,video{max-width:100%;display:block}
img{height:auto}
button svg,a svg{width:18px;height:18px;flex:none}
button{color:inherit}
::selection{background:#dcebb8;color:#183b2c}
:focus-visible{outline:3px solid #a26617;outline-offset:4px}
details summary{cursor:pointer}
details summary::-webkit-details-marker{display:none}
[hidden]{display:none!important}
.wrap,.page{width:min(100% - 64px,1180px);margin-inline:auto}
.page{padding-block:42px 64px;min-height:55vh}
.section{padding-block:66px}
.section-heading,.page-head,.main-head{display:flex;justify-content:space-between;gap:35px;align-items:end;margin-bottom:28px}
.section-heading>p{font-size:14px;max-width:325px}
.compact{margin-bottom:20px}
.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:750;color:var(--gold);text-transform:uppercase;margin-bottom:13px}
.quiet,.small,.faint{font-size:12px;color:var(--ink-faint)}
.muted{color:var(--ink-dim)}
.mono{font-family:var(--font-mono)}
.text-link{font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:12px}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-dim);margin-bottom:25px}
.skip-link{position:fixed;top:-90px;left:15px;padding:12px 20px;background:white;z-index:100}
.skip-link:focus{top:10px}
/* Controls and navigation */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:13px;min-height:46px;padding:12px 20px;border:1px solid transparent;border-radius:8px;font-size:13px;font-weight:700;line-height:1.4;text-align:center;cursor:pointer;transition:background .15s,color .15s}
.btn-primary,.btn-gold{background:var(--gold);color:white}
.btn-primary:hover,.btn-gold:hover{background:var(--gold-2);color:white}
.btn-outline,.btn-line{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-outline:hover,.btn-line:hover{background:#e7efdf;color:var(--ink)}
.btn-light{background:#deebb9;color:#173e2c}
.btn-ghost{background:transparent;color:var(--ink-dim)}
.btn-sky{background:#e6efdc;color:#214a31;border-color:#c4d3ba}
.btn-wa{background:#e3efd9;color:#214b2f;border-color:#aec79f}
.btn-sm{min-height:42px;padding:10px 14px;font-size:12px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.nav{position:sticky;top:0;z-index:50;background:#f7f8f2f5;border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav-inner{width:min(100% - 64px,1180px);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.brand{display:inline-flex;align-items:center;font-size:23px;font-weight:800;letter-spacing:-1px;color:var(--ink);flex-shrink:0}
.brand-mark{width:33px;height:33px;margin-right:9px}
.nav-links,.nav-actions{display:flex;align-items:center;gap:8px}
.nav-links a{font-size:13px;font-weight:600;padding:10px 12px;color:var(--ink-dim)}
.nav-links a:hover{background:#e9efe3;border-radius:7px}
.nav-user{font-size:12px;max-width:130px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line-strong);border-radius:8px;padding:11px;min-height:44px;min-width:44px}
.nav-toggle svg{display:block}
.live-dot{display:inline-block;width:6px;height:6px;margin-right:7px;border-radius:50%;background:#478547}
/* Teaching-first homepage */
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:64px;align-items:center;padding-block:64px 56px}
.hero h1{font-size:clamp(43px,4.6vw,64px);line-height:1.02;letter-spacing:-.065em;margin:19px 0 24px}
.hero h1 em,.hybrid-copy h2 em{font-family:Georgia,serif;font-weight:400;color:#43724e}
.hero-description{font-size:16px;max-width:460px;line-height:1.8}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-reassurance{margin-top:13px}
.hero-proof{display:flex;gap:26px;margin-top:31px;padding-top:21px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-dim)}
.hero-proof b{display:block;font-size:23px;line-height:1.3;font-weight:650;color:var(--ink);margin-bottom:3px}
.lesson-preview{background:#fff;border:1px solid #c8d3c0;border-radius:16px;overflow:hidden;box-shadow:0 20px 55px #243d2210;scroll-margin-top:95px}
.preview-top{display:flex;align-items:center;justify-content:space-between;padding:19px 23px;gap:12px}
.preview-top .eyebrow{margin:0;font-size:12px}
.preview-label{font-size:12px;font-weight:700;letter-spacing:.08em;background:#e7efda;padding:6px 9px;border-radius:4px}
.lesson-preview video{width:100%;aspect-ratio:16/9;background:#102d24}
.preview-meta{padding:22px;display:flex;align-items:center;justify-content:space-between}
.preview-meta h2{font-size:25px;margin-bottom:6px}
.preview-meta p{font-size:12px}
.lesson-number{font-family:Georgia,serif;color:#9db28c;font-size:38px}
.preview-foot{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:13px 22px;font-size:12px;color:#52644e}
.preview-foot span:last-child{font-weight:650}
.written-preview{background:#173e30;color:#eef5e4;padding:26px}
.code-label{font-size:12px;letter-spacing:.14em;color:#c3d6a5}
.written-preview pre{font:17px/1.85 var(--font-mono);margin:24px 0;color:#f6f7ed;white-space:pre-wrap}
.written-preview pre span{color:#d2e5a4}
.written-preview p{font-size:12px;color:#d9e4cf;margin-bottom:20px}
.written-preview .btn{font-size:12px;min-height:42px}
/* Course illustrations, reused in course details and catalogue */
.course-grid,.plan-grid,.cards3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.course-card{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden;display:flex;flex-direction:column}
.course-art{height:178px;padding:20px 24px 15px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.art-html{background:#e1ead6;color:#274b31}
.art-c{background:#ebe6d9;color:#594c2e}
.art-php{background:#e4e7ee;color:#45526c}
.art-caption{font:12px var(--font-mono);letter-spacing:.1em;margin-top:10px}
.mini-browser{max-width:240px;width:100%;margin:auto;background:#fff9;border:1px solid #9eb895;border-radius:7px;overflow:hidden;padding:7px 8px 0}
.mini-browser>i{display:inline-block;width:4px;height:4px;background:#719864;border-radius:50%;margin-right:3px;vertical-align:top}
.mini-page{padding:7px 8px 10px;border-top:1px solid #b4c9a8}
.mini-page>span{font-size:12px;display:block}
.mini-page>b{font-size:14px;display:block;font-family:Georgia,serif;font-weight:400;margin:3px 0 9px}
.mini-grid{display:flex;gap:5px}
.mini-grid i{height:22px;background:#d9e5cc;flex:1;border-radius:3px}
.mini-terminal{max-width:230px;width:100%;margin:auto;background:#333a2b;color:#f3edd6;padding:13px 17px;border-radius:7px;transform:rotate(-2deg)}
.mini-terminal>span{font:12px var(--font-mono);color:#d1cbb3}
.mini-terminal code{display:block;font-size:18px;margin-top:7px}
.terminal-answer{display:flex;justify-content:space-between;color:#d2e6a1;font-size:25px}
.terminal-answer span{color:#809267}
.mini-data{max-width:245px;width:100%;margin:auto;padding:14px;background:#ffffffaa;border:1px solid #b6c1d0;border-radius:7px}
.mini-data>span{font-size:12px;font-weight:650}
.mini-data b{display:block;font:12px var(--font-mono);margin:8px 0 12px}
.mini-data>div{display:flex;align-items:center;gap:9px;font-size:12px;background:#f6f8fb;padding:7px;border-radius:4px}
.mini-data i{font-style:normal;font-size:12px;color:#6d7c93}
.mini-data strong{margin-left:auto;color:#356843}
.course-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.course-card-body .eyebrow{font-size:12px;display:flex;justify-content:space-between;gap:10px}
.course-card-body .eyebrow span{font-weight:400;letter-spacing:0;text-transform:none;color:var(--ink-dim)}
.course-card h3{font-size:23px;margin-bottom:11px}
.course-card p:not(.eyebrow){font-size:13px;line-height:1.75;margin-bottom:23px}
.course-card .text-link{margin-top:auto;padding-top:15px;border-top:1px solid var(--line)}
/* Plugin hybrid-2d3d section: normal flow, bounded canvas, no pinned scroll. */
.project-section{background:#eaf0e2;border-block:1px solid #dce4d2;padding-block:52px}
.hybrid-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}
.hybrid-copy h2{font-size:40px;line-height:1.08;margin-bottom:20px}
.hybrid-copy>p:not(.eyebrow){font-size:14px;max-width:410px}
.build-steps{list-style:none;padding:0;margin-top:22px;display:flex;flex-direction:column;gap:14px}
.build-steps li{display:flex;gap:14px}
.build-steps li>span{font:17px Georgia,serif;color:#6c8854;line-height:1.5}
.build-steps b{font-size:12px}
.build-steps p{font-size:12px}
.hybrid-stage{position:relative;height:350px;border:1px solid #c9d6be;background:radial-gradient(ellipse at 50% 40%,#f8faef,#dce5ce);border-radius:50% 50% 16px 16px;overflow:hidden}
.hybrid-stage canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.scene-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.fallback-screen{width:70%;height:155px;background:#164331;color:#eef4de;border:9px solid #394e36;border-radius:9px;padding:30px 16px;transform:perspective(650px) rotateY(-15deg) rotateX(4deg)}
.fallback-screen>span{font:17px var(--font-mono)}
.fallback-screen>b{display:block;font-size:12px;font-weight:400;margin-top:14px}
.fallback-base{height:13px;width:78%;background:#a5b298;border-radius:2px 2px 12px 12px}
.hybrid-stage.is-ready .scene-fallback{display:none}
.motion-control[disabled]{display:none}
/* Plans and trust */
.plan-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:27px;display:flex;flex-direction:column}
.plan-card.featured{background:#f1f5e8;border:2px solid #57744e;padding:26px}
.plan-price{font-size:44px;letter-spacing:-.055em;font-weight:720;line-height:1.15;margin-bottom:17px}
.plan-price>span{font-size:12px;font-weight:400;letter-spacing:0;color:var(--ink-dim);margin-left:8px}
.plan-card>p:not(.eyebrow){font-size:13px;margin-bottom:25px}
.plan-card .btn{margin-top:auto}
.pricing-note{font-size:12px;text-align:center;margin-top:20px}
.about-faq{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.2fr;gap:100px;padding-top:46px;padding-bottom:62px}
.teacher-note h2{font-size:30px}
.teacher-note>p:not(.eyebrow){font-size:13px;margin:17px 0;max-width:350px}
.teacher-note .text-link{display:inline-flex;margin-top:3px}
.support-note{border-top:1px solid var(--line);margin-top:23px;padding-top:17px;font-size:12px}
.support-note b,.support-note a{display:block}
.support-note a{margin-top:4px}
.faq h2{font-size:29px;margin-bottom:13px}
.faq details{border-bottom:1px solid var(--line);padding:15px 0}
.faq summary{list-style:none;font-size:13px;font-weight:650;display:flex;justify-content:space-between;gap:20px}
.faq summary:after{content:'+';font-size:18px;line-height:1}
.faq details[open] summary:after{content:'−'}
.faq details p{font-size:12px;padding-top:12px;max-width:470px}
.footer{background:#eef2e7;border-top:1px solid var(--line);padding-block:32px 23px}
.footer-top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-bottom:24px}
.footer-top p{font-size:12px;margin-top:8px}
.footer-top nav,.footer-bottom nav{display:flex;gap:24px;flex-wrap:wrap}
.footer nav a{font-size:12px;color:var(--ink-dim)}
.footer-bottom{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:24px;align-items:start}
.footer-bottom p{font-size:12px;line-height:1.8}
.footer-bottom nav a{font-size:12px}
/* Content and classroom */
.course-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:50px;align-items:start}
.detail-lead{font-size:17px;margin-top:20px;max-width:650px}
.course-facts{display:flex;gap:30px;flex-wrap:wrap;margin-block:27px}
.course-facts span{display:block;font-size:12px;color:var(--ink-faint);letter-spacing:.1em}
.course-facts b{font-size:13px;font-weight:650}
.detail-project{display:grid;grid-template-columns:230px 1fr;gap:25px;align-items:center;border-block:1px solid var(--line);padding-block:25px;margin-block:30px}
.detail-project .course-art{border-radius:10px;height:170px;padding:14px}
.detail-project h2{font-size:24px;margin-bottom:12px}
.detail-project p:not(.eyebrow){font-size:12px}
.detail-project .quiet{font-size:12px!important;margin-top:12px}
.enrol-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;position:sticky;top:102px}
.enrol-card h2{font-size:25px}
.enrol-card>p:not(.eyebrow){font-size:13px;margin:17px 0}
.enrol-card .btn+.btn{margin-top:10px}
.check-list{list-style:none;padding:0;margin:23px 0;font-size:12px}
.check-list li{margin-bottom:9px}
.check-list li:before{content:'✓';color:#478047;margin-right:10px}
.enrol-card>.quiet{font-size:12px!important}
.curriculum h2{font-size:27px}
.curriculum-group{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:12px;overflow:hidden}
.curriculum-group summary{display:flex;justify-content:space-between;gap:14px;padding:18px 20px;list-style:none;font-size:14px;font-weight:700}
.curriculum-group summary span{font-size:12px;font-weight:400;color:var(--ink-dim)}
.curriculum-group ol{list-style:none;padding:0 20px 10px}
.curriculum-group li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:12px;align-items:center}
.lesson-index{font:12px var(--font-mono);color:#586a4b;flex-shrink:0;width:19px}
.lesson-duration{margin-left:auto;white-space:nowrap;color:var(--ink-faint);font-size:12px}
.curriculum-group li>a{font-size:12px;white-space:nowrap;font-weight:700}
.help-banner{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#e9f0df;border:1px solid #c9d8b9;border-radius:14px;padding:30px;margin-top:32px}
.help-banner h2{font-size:26px}
.help-banner p:not(.eyebrow){font-size:13px;margin-top:10px}
.help-banner .btn{flex-shrink:0}
.panel,.card,.auth-card,.stat-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.panel+.panel{margin-top:22px}
.panel h2{font-size:23px;margin-bottom:12px}
.panel>p{margin-bottom:18px}
.card h3{margin-bottom:12px}
.card p{font-size:13px;margin-bottom:20px}
.page-head{padding-bottom:24px;border-bottom:1px solid var(--line)}
.page-head p{margin-top:12px}
.pill,.chip{display:inline-flex;gap:7px;align-items:center;font-size:12px;border:1px solid #c5d4b8;border-radius:99px;padding:5px 10px;background:#e9f0df;color:#355532}
.pill-red{background:#fff0e9;color:#973827;border-color:#e1b8a9}
.pill-green{background:#e7f2e0;color:#2c623a}
.dot{width:5px;height:5px;border-radius:50%;background:currentColor}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.plan{background:#e8eedf;border:1px solid #c4d2b6;border-radius:13px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:22px;margin-bottom:24px}
.plan-label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#4e6a3e}
.plan-name{font-size:23px;font-weight:700}
.plan-meta{font-size:12px;margin-top:4px;color:#4d6440}
.plan-days{text-align:center}
.plan-days b{font-size:31px;line-height:1.2;display:block}
.plan-days span{font-size:12px}
.continue-card{display:flex;justify-content:space-between;gap:20px;align-items:center;border:1px solid var(--line);border-left:4px solid #5e7e47;border-radius:12px;background:#fff;padding:23px;margin-bottom:24px}
.continue-title{font-size:19px;font-weight:650}
.lesson-list{margin-top:25px;display:flex;flex-direction:column;gap:9px}
.lesson{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:15px 19px}
.lesson-num{font:12px var(--font-mono);width:34px;height:34px;display:grid;place-items:center;background:#e9efdf;border-radius:7px;flex:none}
.lesson-title{font-weight:650;font-size:14px}
.lesson-meta{font-size:12px;color:var(--ink-faint);margin-top:2px}
.lesson>.btn{margin-left:auto}
.classroom{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}
.player-card{background:#112d23;border-radius:13px;overflow:hidden;border:1px solid #203f2d}
.player-card video{width:100%;aspect-ratio:16/9;max-height:70vh;background:#0d231c}
.player-nav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#eef3e7;padding:15px}
.player-extra{display:flex;gap:9px;flex-wrap:wrap}
.lesson-sidebar{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;position:sticky;top:98px;max-height:75vh;overflow:auto}
.lesson-sidebar h2{font-size:22px}
.lesson-sidebar progress,.course-progress progress{width:100%;height:7px;accent-color:#376c45;margin:14px 0 5px}
.lesson-sidebar a{display:flex;gap:10px;padding:11px 8px;border-bottom:1px solid var(--line);font-size:12px;color:var(--ink-dim)}
.lesson-sidebar a[aria-current=page]{background:#e7efdc;color:#1c472c;font-weight:700;border-radius:6px}
.lesson-sidebar a[data-complete=true]:after{content:'✓';margin-left:auto}
.learning-tools{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap;background:#fff;border:1px solid var(--line);padding:17px;border-radius:10px;margin-top:17px}
.learning-tools p{font-size:12px;max-width:300px}
.lesson-notes{border:1px solid var(--line);background:#fff;border-radius:12px;padding:25px;margin-top:24px}
.lesson-notes h2{font-size:25px;margin-bottom:15px}
.lesson-notes p{margin-bottom:15px}
.course-code{background:#173b2d;color:#eaf2df;border-radius:9px;padding:22px;overflow-x:auto;white-space:pre;font:13px/1.8 var(--font-mono);margin-block:17px}
.course-progress{margin-bottom:16px}
.course-progress p{font-size:12px;margin:0}
.empty{text-align:center;background:#fff;border:1px dashed #bfceb3;border-radius:13px;padding:42px 28px}
.empty h3{margin-bottom:13px}
.empty p{margin-bottom:18px}
/* Authentication, checkout and administration share these components. */
.auth{width:min(100% - 64px,1050px);margin:48px auto 64px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.auth-side{background:#e7eedc;padding:35px;border:1px solid #cfdbc2;border-radius:17px}
.auth-side h2{font-size:34px;line-height:1.1;margin-bottom:20px}
.auth-side p{font-size:14px}
.auth-preview{margin-top:25px;border:5px solid #fff;border-radius:10px}
.auth-points{margin-top:25px;display:flex;flex-direction:column;gap:14px;font-size:12px}
.auth-points>div{display:flex;gap:10px}
.auth-points svg{width:17px;height:17px;flex:none;color:#416d42}
.auth-card h1{font-size:31px}
.auth-card>p{font-size:13px;margin:13px 0 23px}
.field{margin-bottom:18px}
.field>label{display:block;font-size:12px;font-weight:650;margin-bottom:7px}
.field input:not([type=radio]):not([type=checkbox]),.field select,.field textarea{display:block;width:100%;min-height:46px;border:1px solid #b6c5af;background:#fff;border-radius:7px;padding:11px 13px;color:var(--ink)}
.field input:focus,.field textarea:focus{border-color:#3b6a41}
.field-help,.form-note{font-size:12px;color:var(--ink-dim);margin-top:15px}
.alert{padding:15px 18px;border:1px solid var(--line);border-radius:8px;margin-bottom:20px;font-size:12px}
.alert-err{background:#fff1eb;color:#873b2d;border-color:#e7c2b3}
.alert-ok{background:#e6f0dc;color:#315d36;border-color:#c5d7b4}
.alert a{text-decoration:underline;color:inherit}
.choice-row{display:flex;gap:9px;flex-wrap:wrap}
.choice{display:flex;align-items:center;gap:7px;font-size:12px;border:1px solid var(--line);border-radius:7px;padding:10px 13px}
.choice input{accent-color:var(--gold)}
.v-payment-help{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}
.v-payment-help summary{font-size:13px;font-weight:650;margin-bottom:20px}
.price-tier{font-size:12px;font-weight:700;letter-spacing:.05em;margin-bottom:14px}
.price-val{font-size:35px;font-weight:720;line-height:1.2}
.price-per{font-size:12px;margin:10px 0 17px}
.price-card.feature{border-color:#527743;background:#f1f5e9}
.tablewrap{overflow-x:auto}
.tbl{border-collapse:collapse;width:100%;font-size:12px}
.tbl th{font-weight:600;color:var(--ink-dim);text-align:left;padding:12px;border-bottom:1px solid var(--line)}
.tbl td{padding:13px 12px;border-bottom:1px solid var(--line)}
.shell{display:flex;min-height:100vh}
.side{width:220px;flex-shrink:0;background:#e9efdf;border-right:1px solid var(--line);padding:25px 0}
.side .brand{padding:0 22px 22px}
.side nav{display:flex;flex-direction:column}
.side nav a{padding:12px 24px;font-size:13px}
.side nav a.active{background:#dce8cd;font-weight:700}
.main{flex:1;min-width:0;padding:35px}
.main-head h1{font-size:30px}
.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:25px}
.stat-card .k{font-size:12px}
.stat-card .v{font-size:32px;font-weight:700}
.split{display:grid;grid-template-columns:1.35fr 1fr;gap:30px}
.split-aside{position:sticky;top:100px}
.plan-row{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:16px 0}
.p-name{font-weight:650}
.p-sub{font-size:12px;color:var(--ink-dim)}
.p-price{font-weight:700;font-size:22px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.step-num{font:30px Georgia,serif;color:#6a8355}
.step h3{font-size:22px;margin:15px 0}
.section-tight{padding-block:40px}
.progress-status[data-error=true]{color:#9a3a2c}
@media(max-width:1020px){.hero{gap:35px}
.hero h1{font-size:51px}
.nav-user{display:none}
.hybrid-grid{gap:45px}
.about-faq{gap:55px}
.course-detail-layout{gap:27px;grid-template-columns:minmax(0,1fr) 290px}
.detail-project{grid-template-columns:1fr}
.detail-project .course-art{max-width:320px}
.classroom{grid-template-columns:minmax(0,1fr) 260px}
.hero-proof{gap:18px}
.nav-links a{padding-inline:9px}
}
@media(max-width:800px){.wrap,.page,.nav-inner{width:calc(100% - 40px)}
.hero{grid-template-columns:1fr;gap:30px;padding-block:36px 38px}
.hero h1{font-size:clamp(41px,7.5vw,60px);margin:14px 0 21px}
.hero h1 br:nth-child(2){display:none}
.hero-description{max-width:590px}
.hero-proof{margin-top:22px;padding-top:17px;gap:34px}
.lesson-preview{max-width:620px;width:100%;margin-inline:auto}
.section{padding-block:42px}
.section-heading{display:block;margin-bottom:24px}
.section-heading>p{margin-top:15px}
.course-grid,.plan-grid,.cards3{gap:14px}
.course-art{padding:14px;min-width:0}
.course-card-body{padding:18px}
.course-card-body .eyebrow{display:block;font-size:12px}
.course-card-body .eyebrow span{display:block;margin-top:4px}
.course-card h3{font-size:21px}
.course-card p:not(.eyebrow){font-size:12px}
.mini-data b{font-size:12px}
.course-art code{font-size:15px}
.hybrid-grid{grid-template-columns:1fr 1fr;gap:30px}
.hybrid-copy h2{font-size:32px}
.hybrid-stage{height:290px}
.project-section{padding-block:38px}
.build-steps{gap:11px}
.about-faq{gap:35px}
.plan-card{padding:20px}
.plan-card.featured{padding:19px}
.plan-price{font-size:36px}
.plan-price>span{display:block;margin:7px 0 0}
.course-detail-layout,.classroom{grid-template-columns:1fr}
.enrol-card,.lesson-sidebar{position:static;max-height:none}
.enrol-card{max-width:600px;width:100%}
.detail-project{grid-template-columns:240px 1fr}
.detail-project .course-art{width:100%}
.auth{width:calc(100% - 40px);gap:25px}
.auth-side{padding:25px}
.auth-side h2{font-size:29px}
.footer-top{align-items:start}
.footer-top nav{gap:15px}
.shell{display:block}
.side{width:100%;padding:16px;border:0;border-bottom:1px solid var(--line)}
.side nav{flex-direction:row;flex-wrap:wrap}
.side .brand{padding:0 12px 10px}
.side nav a{padding:8px 12px}
.main{padding:25px 20px}
}
@media(max-width:620px){html{scroll-padding-top:82px}
.nav-inner{height:66px;gap:8px}
.nav-links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:15px 20px;gap:0}
.nav-links.open{display:flex}
.nav-links a{min-height:44px}
.nav-toggle{display:block}
.nav-actions{gap:4px}
.nav-actions>.btn-gold{display:none}
.nav-actions .btn{padding:9px 10px;font-size:12px}
.brand{font-size:21px}
.brand-mark{width:29px;height:29px;margin-right:7px}
.hero h1{font-size:44px;line-height:1.04}
.hero h1 br:nth-child(2){display:block}
.hero-description{font-size:14px;line-height:1.8}
.hero .eyebrow{font-size:12px}
.hero-actions .btn{font-size:12px;padding:12px 15px}
.hero-proof{justify-content:space-between;gap:12px;font-size:12px}
.hero-proof b{font-size:21px}
.preview-top{padding:15px 17px}
.preview-top .eyebrow{font-size:12px}
.preview-label{font-size:12px}
.preview-meta{padding:17px}
.preview-meta h2{font-size:23px}
.preview-foot{padding:12px 17px;flex-wrap:wrap;font-size:12px}
.course-grid{grid-template-columns:1fr}
.course-card{display:grid;grid-template-columns:112px minmax(0,1fr)}
.course-art{height:100%;padding:15px 10px;justify-content:center;gap:16px;min-height:200px}
.course-art .mini-browser{padding:5px}
.mini-page{padding:6px 3px}
.mini-page>b{font-size:12px}
.mini-page>span{font-size:12px}
.mini-grid{gap:2px}
.mini-grid i{height:18px}
.art-caption{font-size:12px;line-height:1.8;letter-spacing:.04em}
.mini-terminal{padding:10px;transform:none}
.mini-terminal code{font-size:14px}
.mini-terminal>span{font-size:12px}
.terminal-answer{font-size:25px}
.mini-data{padding:9px}
.mini-data>span{font-size:12px}
.mini-data b{font-size:12px;overflow-wrap:anywhere}
.mini-data>div{padding:4px;font-size:12px;gap:3px}
.mini-data i{display:none}
.course-card-body{padding:17px}
.course-card-body .eyebrow{margin-bottom:9px;display:flex;font-size:12px;letter-spacing:.04em}
.course-card-body .eyebrow span{margin:0;font-size:12px}
.course-card h3{font-size:23px;margin-bottom:9px}
.course-card p:not(.eyebrow){font-size:12px;line-height:1.65;margin-bottom:14px}
.course-card .text-link{font-size:12px;padding-top:11px}
.hybrid-grid{grid-template-columns:1fr;gap:23px}
.hybrid-copy h2{font-size:34px}
.hybrid-copy h2 br{display:none}
.hybrid-copy>p:not(.eyebrow){font-size:13px;max-width:none}
.build-steps{margin-top:20px}
.hybrid-stage{height:250px;border-radius:90px 90px 13px 13px}
.plan-grid{grid-template-columns:1fr;gap:10px}
.plan-card,.plan-card.featured{display:grid;grid-template-columns:1fr auto;gap:8px 15px;align-items:center;padding:20px}
.plan-card .eyebrow{grid-column:1;margin:0;font-size:12px}
.plan-price{grid-column:1;font-size:33px;margin:0}
.plan-price>span{display:inline;margin:0 0 0 8px;font-size:12px}
.plan-card>p:not(.eyebrow){grid-column:1/-1;font-size:12px;margin:0;order:4}
.plan-card .btn{grid-column:2;grid-row:1/3;margin:0;padding:11px;font-size:12px;width:auto}
.pricing-note{text-align:left;font-size:12px}
.about-faq{grid-template-columns:1fr;gap:30px;padding-top:28px}
.teacher-note h2{font-size:28px}
.teacher-note>p:not(.eyebrow){max-width:none;font-size:12px}
.teacher-note>p:nth-of-type(3){display:none}
.support-note{margin-top:17px}
.faq h2{font-size:28px}
.faq details{padding:14px 0}
.footer-top,.footer-bottom{display:block}
.footer-top nav{margin-top:22px;gap:15px}
.footer-top nav a{font-size:12px}
.footer-bottom nav{margin-top:13px}
.page{padding-block:27px 40px}
.page-head{align-items:start;display:block}
.page-head>.btn{margin-top:15px}
.page-head h1{font-size:31px}
.page-head p{font-size:13px}
.course-facts{gap:20px}
.detail-lead{font-size:15px}
.detail-project{grid-template-columns:1fr;gap:19px}
.detail-project .course-art{height:180px;max-width:none;min-height:0}
.detail-project .mini-browser{max-width:240px}
.curriculum-group summary{padding:16px;font-size:12px}
.curriculum-group summary span{font-size:12px}
.curriculum-group ol{padding-inline:16px}
.curriculum-group li{font-size:12px;gap:8px}
.curriculum-group li>a{font-size:12px}
.enrol-card{padding:24px}
.help-banner{display:block;padding:24px}
.help-banner .btn{margin-top:20px}
.help-banner h2{font-size:25px}
.cards3,.steps,.stat-cards{grid-template-columns:1fr}
.auth{display:flex;flex-direction:column;align-items:stretch;margin-block:25px 40px;gap:18px}
.auth-side{padding:23px}
.auth-side h2{font-size:27px;margin-bottom:12px}
.auth-side p{font-size:12px}
.auth-preview,.auth-points{display:none}
.auth-card{padding:23px}
.auth-card h1{font-size:29px}
.panel,.card{padding:22px}
.plan{padding:20px;gap:15px}
.plan-name{font-size:21px}
.plan-meta{font-size:12px}
.plan-days b{font-size:27px}
.continue-card{padding:20px;flex-wrap:wrap;gap:15px}
.continue-title{font-size:17px}
.lesson{gap:10px;padding:12px}
.lesson-title{font-size:12px}
.lesson-num{width:29px;height:29px;font-size:12px}
.lesson .btn{font-size:12px;padding:9px}
.lesson-meta{font-size:12px}
.player-nav{padding:12px}
.player-nav .btn{font-size:12px;padding:10px}
.lesson-notes{padding:22px}
.learning-tools{padding:15px}
.learning-tools p{max-width:none}
.classroom{gap:20px}
.course-code{font-size:12px;padding:17px}
.split{grid-template-columns:1fr}
.split-aside{position:static}
.preview-foot span:last-child{font-weight:650}
.written-preview pre{font-size:15px}
.tbl{font-size:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*:before,*:after{animation:none!important;transition:none!important}
}
.checkout-wrap{max-width:640px;margin-inline:auto}
.checkout-next{padding:22px;background:#eef3e6;border-radius:10px;margin-bottom:22px}
.checkout-next>p:not(.eyebrow){font-size:13px;margin-bottom:18px}
.checkout-next .form-note{margin:13px 0 0!important}
.payment-help{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}
.payment-help summary{font-size:13px;font-weight:650;padding-bottom:15px}
.checkout-explanation{font-size:13px}
.payment-help .choice-row{display:flex;flex-wrap:wrap;gap:12px}
.payment-help .choice{font-size:12px}
.checkout-wrap ul{padding:0}
.alert-err{color:#892a20;background:#fff1e9;border:1px solid #e6c7b6;padding:16px;border-radius:8px}
.player-card>.alert{margin:14px}
.lesson-title{overflow-wrap:anywhere}
.course-card-body,.hero-copy,.classroom>div{min-width:0}
.field input{max-width:100%}
.auth{min-width:0}
.auth-single{display:block;max-width:520px}
.auth-single .auth-main{padding:0}
.preview-media{position:relative;background:#102d24}
.preview-play{position:absolute;inset:0;width:100%;border:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:linear-gradient(transparent,#0b24144d);color:#fff}
.preview-play>span{display:grid;place-items:center;font-size:21px;width:65px;height:65px;background:#f4f7e8;color:#20543c;border-radius:50%;box-shadow:0 5px 30px #0002;padding-left:4px}
.preview-play>b{font-size:12px;font-weight:600;background:#102d24;padding:5px 12px;border-radius:4px}
.preview-play:hover>span{background:#d7e8b0}
.preview-play:focus-visible{outline-offset:-5px}
.nav-links .mobile-create{display:none}
@media(max-width:620px){.nav-links .mobile-create{display:block;font-weight:750}
.preview-play>span{width:51px;height:51px;font-size:17px}
.preview-play>b{font-size:12px}
}
.lesson-number{color:#70845e}
.mini-data i{color:#52627c}
.build-steps li>span{color:#506b3b}
p>a:not(.btn):not(.text-link),li>a:not(.btn):not(.text-link){text-decoration:underline;text-underline-offset:3px}
.card-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
/* V29 editorial refinements: readable support copy and earlier teaching sample. */
.hero{padding-block:48px 40px;gap:56px}
.hero h1{font-size:clamp(46px,5vw,68px);line-height:1.06;letter-spacing:-.055em;margin-block:15px 21px}
.hero-description{font-size:17px;line-height:1.7}
.hero-proof{gap:30px;margin-top:22px;padding-top:16px;font-size:13px}
.hero-proof b{font-size:22px}
.hero-actions{margin-top:23px}
.hero-reassurance{font-size:13px}
.eyebrow{font-size:12px;letter-spacing:.11em}
.section-heading>p,.course-card p:not(.eyebrow),.plan-card>p:not(.eyebrow),.teacher-note>p:not(.eyebrow),.faq details p{font-size:15px}
.course-card-body{padding:24px}
.course-card-body .eyebrow{font-size:12px;letter-spacing:.04em}
.text-link,.faq summary{font-size:15px}
.course-card h3{font-size:26px}
.course-card p:not(.eyebrow){line-height:1.65}
.preview-meta p,.preview-foot{font-size:13px}
.preview-foot{flex-wrap:wrap}
.preview-label{font-size:12px}
.preview-top .eyebrow{font-size:12px}
.preview-play{align-items:flex-end;justify-content:center;padding-right:13%;background:transparent}
.preview-play>b{position:absolute;bottom:15px;right:20px}
.preview-play>span{width:72px;height:72px;border:1px solid #abc49c;box-shadow:0 8px 22px #173e2d18}
.build-steps b{font-size:15px}
.build-steps p{font-size:14px}
.build-steps{gap:18px}
.hybrid-copy>p:not(.eyebrow){font-size:16px}
.hybrid-stage{background:radial-gradient(ellipse at 50% 40%,#fffef7,#dde7d1)}
.lesson-sidebar{padding:20px}
.lesson-sidebar a{font-size:14px;padding:13px 8px;line-height:1.45}
.lesson-sidebar .small,.learning-tools p{font-size:13px}
.learning-tools p{max-width:340px}
.lesson-notes>p{font-size:16px}
.practice-task{margin:22px 0 0;padding:22px;background:#f0f4e8;border:1px solid #d8e2cb;border-radius:10px}
.practice-task h3{font-size:20px;margin-bottom:10px}
.practice-task p{font-size:15px;margin:0 0 14px}
.practice-task details{border-top:1px solid #cddbc2;padding-top:14px}
.practice-task summary{font-weight:650;min-height:40px}
.practice-task details p{margin-top:12px}
.project-proof{padding:24px;border:1px solid #cbd9c0;border-radius:12px;background:#edf3e4;margin-bottom:30px}
.project-proof h2{font-size:25px;margin-bottom:12px}
.project-proof p:not(.eyebrow){font-size:15px;margin-bottom:20px}
.plan-price>span{font-size:14px}
.pricing-note{font-size:13px}
.footer-top p,.footer nav a,.footer-bottom p,.footer-bottom nav a{font-size:12px}
.course-facts span{font-size:12px;letter-spacing:.04em}
.course-facts b{font-size:15px}
.detail-project p:not(.eyebrow){font-size:15px}
.curriculum-group summary{font-size:16px}
.curriculum-group summary span,.lesson-duration,.lesson-index{font-size:13px}
.curriculum-group li{font-size:14px;padding:14px 0}
.curriculum-group li>a{font-size:13px}
.enrol-card>p:not(.eyebrow),.enrol-card>.quiet,.check-list{font-size:14px!important}
.course-progress p{font-size:13px}
.btn{font-size:14px;min-height:46px}
.nav-links a{font-size:14px}
.field>label{font-size:14px}
.field-help,.form-note{font-size:13px}
.auth-card>p{font-size:15px}
.lesson-title{font-size:16px}
.lesson-meta{font-size:13px}
@media(max-width:800px){.hero{gap:28px;padding-block:30px}
.hero h1{font-size:48px}
.hero-proof{margin-top:19px}
.course-grid{gap:16px}
.course-card-body{padding:18px}
.about-faq{gap:30px}
}
@media(max-width:620px){.hero{padding-block:22px 27px;gap:20px}
.hero-copy>.eyebrow{font-size:12px;margin-bottom:10px}
.hero h1{font-size:42px;margin:8px 0 14px;line-height:1.05}
.hero-description{font-size:15px;line-height:1.6}
.hero-actions{margin-top:18px;gap:9px}
.hero-actions .btn{font-size:13px;padding:11px 14px}
.hero-reassurance{font-size:12px;margin-top:10px}
.hero-proof{display:none}
.preview-top{padding:12px 16px}
.preview-top .eyebrow{font-size:12px}
.preview-label{font-size:12px}
.preview-meta{padding:15px 17px}
.preview-meta h2{font-size:23px}
.preview-meta p{font-size:13px}
.preview-foot{font-size:12px;padding:12px 17px}
.preview-foot span:first-child{display:none}
.preview-play{padding-right:12%}
.preview-play>span{width:54px;height:54px}
.preview-play>b{font-size:12px;right:13px;bottom:10px}
.section{padding-block:35px}
.section-heading{gap:15px;margin-bottom:21px}
.section-heading>p{font-size:14px}
.course-card{grid-template-columns:94px minmax(0,1fr)}
.course-card-body{padding:17px}
.course-card-body .eyebrow{display:block;font-size:12px;margin-bottom:7px}
.course-card-body .eyebrow span{display:inline;margin-left:8px;font-size:12px}
.course-card h3{font-size:24px}
.course-card p:not(.eyebrow){font-size:14px;line-height:1.55}
.course-card .text-link{font-size:13px;min-height:42px}
.course-art{padding:12px 8px;min-height:220px}
.art-caption{font-size:12px}
.course-art .mini-data>div{font-size:12px}
.hybrid-copy h2{font-size:34px}
.hybrid-copy h2 br{display:block}
.hybrid-copy>p:not(.eyebrow){font-size:15px}
.build-steps b{font-size:14px}
.build-steps p{font-size:13px}
.build-steps{gap:13px}
.hybrid-stage{height:270px}
.plan-card,.plan-card.featured{padding:19px;gap:9px 12px}
.plan-card .eyebrow{font-size:12px}
.plan-card>p:not(.eyebrow){font-size:14px}
.plan-price>span{font-size:13px}
.plan-card .btn{font-size:12px;padding:10px}
.pricing-note{font-size:12px}
.teacher-note>p:not(.eyebrow){font-size:15px}
.teacher-note>p:nth-of-type(3){display:block}
.faq summary{font-size:15px}
.faq details p{font-size:14px}
.support-note{font-size:14px}
.lesson-sidebar a{font-size:14px;min-height:44px}
.lesson-title{font-size:14px}
.lesson-meta{font-size:12px}
.curriculum-group summary{font-size:14px;flex-wrap:wrap}
.curriculum-group li{font-size:13px;gap:9px}
.curriculum-group summary span{font-size:12px}
.curriculum-group li>a{font-size:12px}
.lesson-duration{font-size:12px}
.practice-task{padding:17px}
.practice-task p{font-size:14px}
.course-code{font-size:13px}
.learning-tools p{font-size:13px}
.enrol-card{padding:22px}
}
/* V30: readable content, deliberate project evidence, consistent keyboard targets. */
.btn-sm,.text-link,.nav-links a,.footer nav a{min-height:44px}
.footer nav a{display:inline-flex;align-items:center}
.quiet,.small,.faint,.alert,.auth-points,.choice,.tbl{font-size:14px}
.course-card,.plan-card,.project-proof{box-shadow:0 8px 28px #193b2e05}
.course-card{transition:box-shadow .18s,border-color .18s}
.course-card:focus-within,.course-card:hover{border-color:#8ea78b;box-shadow:0 12px 32px #193b2e0d}
.project-proof{background:#fff;padding:28px;border-left:4px solid #205c47}
.project-proof .btn{margin-top:4px}
.course-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:22px;background:#eef2e7;border-radius:12px}
.course-facts>div{min-width:0}
.course-facts b{display:block;margin-top:5px}
.lesson-notes{border-top:4px solid #205c47}
.practice-task{background:#f5f7ee}
.practice-task details[open]{padding-bottom:4px}
.practice-task summary{padding:9px 0;color:#205c47}
.practice-task summary:hover{text-decoration:underline;text-underline-offset:4px}
.project-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.project-intro{max-width:720px;margin-bottom:28px}
.project-intro p{margin-top:18px;font-size:17px}
.example-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.example-result{background:#173e30;color:#f7f8f2;padding:24px;border-radius:12px;min-height:110px;margin-top:20px;overflow-wrap:anywhere}
.example-result p{color:inherit}
.example-result output{font:28px/1.4 var(--font-mono)}
.example-controls{display:grid;grid-template-columns:1fr 90px 1fr;gap:12px}
.example-controls input,.example-controls select{width:100%;min-width:0}
.example-steps{padding-left:22px}
.example-steps li{margin-bottom:12px;color:var(--ink-dim)}
.project-source summary{min-height:44px;font-weight:650;display:flex;align-items:center}
.project-source pre{max-height:460px}
.scope-note{padding:16px 20px;background:#eef2e7;border-left:3px solid #8ea78b;border-radius:0 8px 8px 0;margin:20px 0;font-size:14px}
.contact-preview{list-style:none;padding:0}
.contact-preview li{padding:13px 0;border-bottom:1px solid #dce3d7;overflow-wrap:anywhere}
.contact-preview b,.contact-preview span{display:block}
.contact-preview span{color:var(--ink-dim);font-size:14px}
.trust-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px}
.trust-facts>div{border-top:1px solid var(--line);padding-top:16px}
.trust-facts b{display:block}
.trust-facts p{font-size:14px;margin-top:6px}
@media(max-width:800px){.example-layout{grid-template-columns:1fr}
.trust-facts{grid-template-columns:1fr}
.course-facts{gap:16px}
}
@media(max-width:620px){
 .hero h1{font-size:clamp(36px,10.5vw,44px)}
.hero-copy>.eyebrow{letter-spacing:.07em}
.hero-actions{display:grid;grid-template-columns:1fr 1fr}
.hero-actions .btn{padding:12px 9px;font-size:14px}
.hero-reassurance{font-size:13px}
.preview-top{flex-wrap:wrap;gap:8px}
.preview-label{letter-spacing:.04em}
.written-preview{padding:20px}
.written-preview pre{font-size:15px;line-height:1.65;margin:16px 0}
.written-preview p{font-size:14px}
.course-card{display:flex}
.course-card .course-art{height:142px;min-height:0;padding:16px 22px;flex:none}
.course-art .mini-browser,.course-art .mini-terminal,.course-art .mini-data{display:none}
.course-card .course-art{height:auto;min-height:48px;align-items:flex-start}
.art-caption{font-size:12px;letter-spacing:.03em;margin:0}
.course-card-body{padding:21px}
.course-card-body .eyebrow{font-size:12px}
.course-card-body .eyebrow span{font-size:12px}
.course-card p:not(.eyebrow){font-size:15px}
.course-card .text-link{font-size:14px}
.preview-foot,.pricing-note,.plan-card .btn{font-size:13px}
.plan-card .eyebrow{font-size:12px}
.course-facts{grid-template-columns:1fr}
.curriculum-group li{flex-wrap:wrap}
.curriculum-group li>span:nth-child(2){flex:1;min-width:120px}
.project-proof{padding:21px}
.project-intro p{font-size:16px}
.example-controls{grid-template-columns:1fr 80px 1fr;gap:8px}
.course-code{font-size:13px;padding:16px}
.lesson-sidebar{padding:18px}
.lesson-notes{padding:20px}
.auth-card{padding:23px}
.footer-top nav,.footer-bottom nav{gap:10px 20px}
}

/* V31: product clarity and responsive components. These rules supersede V30's compact cards. */
.home .hero{padding-block:66px 48px;gap:48px}
.home .hero h1{font-size:clamp(44px,4.5vw,65px);letter-spacing:-.06em;line-height:1.08}
.hero-proof small{font:600 13px var(--font-body);letter-spacing:0;white-space:nowrap}
.home .hero-description{max-width:490px}
.home .hero-reassurance{font-size:13px;max-width:480px}
.home .hero-proof{display:grid;grid-template-columns:.75fr 1fr 1.15fr;gap:18px}
.home .preview-top{flex-wrap:wrap;gap:10px}
.learning-strip{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-block:20px;border-block:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-dim)}
.learning-strip span{display:flex;align-items:center;gap:10px}
.learning-strip span::before{content:'✓';color:var(--green);font-weight:800}
.home .section{padding-block:76px}
.section-heading h2{max-width:690px;text-wrap:balance}
.course-card-body{padding:25px}
.course-card-body .course-fit{font-size:12px;font-weight:600;align-self:flex-start;padding:5px 9px;border-radius:5px;background:var(--surface-2);color:#36533f;margin:-6px 0 20px}
.course-guide{margin-top:22px;display:grid;grid-template-columns:260px 1fr;gap:20px;padding:22px 25px;border:1px solid var(--line);border-radius:12px;background:#f0f3e9;font-size:14px}
.course-guide>div{display:flex;gap:12px;align-items:center}
.guide-icon{font:28px Georgia,serif;color:#698353}
.course-guide p{font-size:14px}
.course-guide a,.pricing-note a,.form-note a{text-decoration:underline;text-underline-offset:3px;font-weight:600}
.home .project-section{padding-block:64px 30px;background:#eaf0e2}
.home .hybrid-grid{gap:60px}
.home .hybrid-copy h2{font-size:clamp(34px,4vw,50px)}
.hybrid-stage{border-radius:24px;min-height:340px}
.build-link{display:inline-flex;gap:30px;margin-top:21px;text-decoration:underline;text-underline-offset:5px}
.project-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px}
.project-gallery>a{display:flex;align-items:center;gap:13px;padding:18px;background:#f9fbf3;border:1px solid #cad7bf;border-radius:12px;color:var(--ink);transition:border-color .18s,background .18s}
.project-gallery>a:hover{background:#fff;border-color:#6a8b59}
.project-gallery>a>span:last-child{margin-left:auto}
.project-gallery small{font-size:10px;letter-spacing:.12em;color:#536948}
.project-gallery strong{display:block;font-size:14px;font-weight:650;line-height:1.5}
.project-code{display:grid;place-items:center;flex:none;width:38px;height:42px;border-radius:7px;background:#e3ecd6;font:20px var(--font-mono)}
.plan-inclusions{list-style:none;padding:0;margin:0 0 25px;font-size:13px;color:var(--ink-dim);display:grid;gap:9px}
.plan-inclusions li{display:flex;align-items:baseline;gap:9px}
.plan-inclusions li::before{content:'✓';color:var(--green);font-weight:700}
.plan-card.featured{background:#183f30;border-color:#183f30;color:#fff;position:relative}
.plan-card.featured .eyebrow,.plan-card.featured .plan-inclusions li::before{color:#d0e6aa}
.plan-card.featured .plan-price{color:#fff}
.plan-card.featured .plan-price>span,.plan-card.featured>p,.plan-card.featured .plan-inclusions{color:#dce7d6}
.plan-card.featured .btn{background:#d5e8b4;color:#193b2e}
.plan-card.featured .btn:hover{background:#e4f0cc}
.plan-card>p:not(.eyebrow){min-height:68px;margin-bottom:18px}
.instructor-monogram{width:80px;height:88px;background:#e4ecd8;border:1px solid #cbd9c0;border-radius:14px;display:flex;flex-direction:column;justify-content:center;align-items:center;font:34px Georgia,serif;margin:20px 0;color:#2b523a}
.instructor-monogram span{font:10px var(--font-body);letter-spacing:.08em;margin-top:3px}
.faq summary{min-height:44px;align-items:center}
.faq details p{line-height:1.8}
.final-invite{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#e9efdc;border:1px solid #cad7b9;border-radius:18px;padding:38px 42px;margin-bottom:64px}
.final-invite h2{font-size:32px;margin-bottom:12px}
.final-invite p:not(.eyebrow){font-size:15px}
.final-invite .btn{flex:none}
.nav-links a[aria-current="page"]{color:var(--ink);background:#e5eddb;border-radius:7px}
.password-toggle{background:var(--surface-2);border:1px solid var(--line-strong);border-radius:6px;min-height:44px;padding:6px 12px;font-size:13px;margin-top:8px}
.field-hint{min-height:22px;color:var(--ink-dim)}
#pwHint[data-valid="false"]{color:#9c322c}
#pwHint[data-valid="true"]{color:#205c47}
.btn:disabled{cursor:wait}
.catalog-intro{max-width:670px;margin-bottom:38px}
.catalog-intro h1{margin-bottom:18px}
.catalog-intro p{font-size:17px}
.course-next{margin-top:28px}
@media(max-width:1000px){
 .project-gallery{gap:10px}.project-gallery>a{padding:14px;gap:10px}.project-code{display:none}
 .home .hybrid-grid{gap:30px}.course-guide{grid-template-columns:220px 1fr}
}
@media(max-width:800px){
 .home .hero{padding-block:38px 30px;gap:28px}.home .hero h1{font-size:clamp(42px,7vw,60px)}
 .home .hero-proof{max-width:520px}.home .section{padding-block:52px}
 .course-guide{grid-template-columns:1fr;gap:8px}.learning-strip{justify-content:flex-start;column-gap:25px}
 .project-gallery{grid-template-columns:1fr}.project-code{display:grid}.project-gallery>a{padding:16px 20px}
 .home .hybrid-grid{grid-template-columns:1fr}.hybrid-stage{height:340px}
 .final-invite{padding:28px;flex-direction:column;align-items:flex-start}
 .plan-card>p:not(.eyebrow){min-height:0}
}
@media(max-width:620px){
 .home .hero h1{font-size:clamp(36px,9.2vw,51px)}.home .hero-description{font-size:16px;line-height:1.7}
 .home .hero-proof{display:grid;font-size:11px;gap:12px;padding-top:17px}.hero-proof small{display:block;margin-top:3px}
 .home .hero-actions{display:flex;flex-direction:column;align-items:stretch}.home .hero-actions .btn{font-size:14px;min-height:48px}
 .learning-strip{display:grid;grid-template-columns:1fr 1fr;font-size:12px;gap:12px}
 .learning-strip span{gap:7px}.learning-strip span::before{font-size:12px}
 .course-card .course-art{height:136px;align-items:stretch;padding:16px 22px;min-height:0}
 .course-art .mini-browser,.course-art .mini-terminal,.course-art .mini-data{display:block;max-width:220px}
 .course-card .art-caption{display:none}.course-card-body{padding:23px}
 .plan-card,.plan-card.featured{display:flex;flex-direction:column;align-items:stretch;padding:26px;gap:0}
 .plan-card .eyebrow{margin-bottom:14px}.plan-price{margin-bottom:14px;font-size:42px}
 .plan-card>p:not(.eyebrow){order:0;margin-bottom:18px;font-size:15px}
 .plan-card .btn{margin-top:auto;width:100%;min-height:48px;font-size:14px}.plan-inclusions{font-size:14px}
 .scene-caption{font-size:10px}.home .project-section{padding-block:42px 24px}
 .home .about-faq{gap:42px}.final-invite{margin-bottom:40px}.final-invite h2{font-size:28px}
 .preview-foot span:first-child{display:block}.preview-meta p{font-size:13px}
}
@media(max-width:380px){.learning-strip{grid-template-columns:1fr}.hero-proof b{font-size:20px}.project-gallery strong{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Classroom follow-up: one canonical caption/pause rule, no !important cascade. */
.scene-caption{position:absolute;bottom:72px;left:0;right:0;text-align:center;font:11px var(--font-mono);letter-spacing:.1em;color:#465d3c;z-index:2;padding-inline:12px}
.motion-control{display:block;position:absolute;bottom:13px;right:16px;z-index:3;min-height:44px;margin:0;background:#f7f8f2ee;padding:8px 12px;border:1px solid #b7c8a6;border-radius:7px;text-decoration:none;font-size:13px;color:#26462e}
.course-card-body h2{font-size:24px;line-height:1.2;margin:0 0 12px;letter-spacing:-.03em}
.tbl caption{text-align:left;padding:0 0 14px;color:var(--muted);font-size:14px;line-height:1.5}
.tbl code{overflow-wrap:anywhere}
@media(max-width:620px){.scene-caption{font-size:10px}.course-card-body h2{font-size:23px}}