@import"https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{font-family:DM Sans,Noto Sans SC,system-ui,sans-serif;color:#1d302b;background:#faf9f5;font-synthesis:none;text-rendering:optimizeLegibility;font-optical-sizing:auto;font-weight:400;--ink: #20332e;--muted: #75817b;--line: #e7e7df;--paper: #faf9f5;--white: #fff;--green: #386c56;--green-dark: #2d5947;--pale: #edf2eb;--amber: #d69651;--serif: "Noto Serif SC", "Songti SC", serif;font-size:14px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;min-width:320px}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8cb9a2;outline-offset:2px}button:disabled{cursor:wait;opacity:.68}.site-header{height:78px;position:sticky;top:0;z-index:20;background:#faf9f5f0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(31,51,44,.08)}.header-inner{height:100%;max-width:1240px;padding:0 34px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand-lockup{display:inline-flex;align-items:center;gap:10px}.brand-lockup img{width:40px;height:40px;object-fit:contain}.brand-copy{display:grid;gap:2px}.brand-name-row{display:flex;align-items:baseline;gap:7px}.brand-copy strong{font-family:var(--serif);font-size:22px;letter-spacing:.04em;font-weight:700;color:var(--ink);line-height:1}.brand-latin{font-size:9px;letter-spacing:.16em;color:#7e9288;font-weight:700}.brand-tagline{font-size:10px;color:#77827c;letter-spacing:.035em}.main-nav{display:flex;align-items:center;gap:8px}.nav-link,.header-cta,.icon-button{border:0;background:transparent;color:#53635b;display:inline-flex;align-items:center;justify-content:center;gap:8px}.nav-link{padding:11px 14px;border-radius:30px;font-size:13px;transition:background .2s,color .2s}.nav-link:hover,.nav-link.active{background:#eeefe9;color:var(--ink)}.nav-count,.tab-count{border-radius:99px;background:var(--green);color:#fff;min-width:18px;height:18px;display:inline-grid;place-items:center;font-size:10px;padding:0 5px}.header-cta{padding:11px 18px;border-radius:30px;background:var(--green);color:#fff;font-size:12px;font-weight:600;box-shadow:0 5px 14px #2d59471a;transition:transform .18s,background .18s}.header-cta:hover,.button-primary:hover{background:var(--green-dark);transform:translateY(-1px)}.mobile-menu{display:none}.hero-section{max-width:1240px;margin:0 auto;min-height:560px;padding:72px 34px 62px;display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:56px;position:relative}.hero-copy{max-width:525px;padding-bottom:12px}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#819087;font-weight:700}.hero-eyebrow{color:var(--green);background:#edf2eb;padding:9px 13px;border-radius:30px;letter-spacing:.04em}.hero-copy h1{font-family:var(--serif);font-weight:600;font-size:clamp(42px,5vw,62px);line-height:1.35;letter-spacing:-.045em;margin:24px 0 17px;color:#263c33}.hero-copy h1 em{font-style:normal;color:var(--green)}.hero-copy>p{max-width:440px;color:#69786f;font-size:15px;line-height:2.05;margin:0}.hero-actions{display:flex;align-items:center;gap:19px;margin-top:29px}.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:28px;padding:13px 21px;font-weight:600;font-size:13px;transition:transform .18s,background .18s,border-color .18s}.button-primary{color:#fff;background:var(--green);box-shadow:0 8px 18px #386c5620}.button-secondary{color:#45564d;background:#fff;border:1px solid #e5e8df}.button-secondary:hover{border-color:#b8c6b9;background:#f6f8f3}.hero-primary{padding:14px 22px}.hero-secondary,.back-link,.purchase-cancel{display:inline-flex;align-items:center;gap:8px;border:0;background:none;padding:9px 0;color:#52665b;font-size:13px;font-weight:600}.hero-secondary:hover,.back-link:hover{color:var(--green)}.hero-facts{display:flex;align-items:center;gap:12px;margin-top:31px;color:#78847c;font-size:11px}.hero-facts span{display:inline-flex;align-items:center;gap:5px}.hero-facts svg{color:var(--green)}.hero-facts i{height:12px;border-left:1px solid #daddd5}.hero-visual{position:relative;height:416px;border-radius:20px;overflow:hidden;background:#e7e9df;box-shadow:0 20px 55px #25392d12}.hero-visual:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(0deg,#18251fa8,transparent);pointer-events:none}.hero-visual>img{width:100%;height:100%;object-fit:cover;object-position:center 53%;display:block}.hero-caption{position:absolute;z-index:1;bottom:25px;left:28px;display:grid;gap:6px;color:#fff}.caption-label{font-size:10px;letter-spacing:.14em;opacity:.77}.hero-caption>span:last-child{font-family:var(--serif);font-size:19px;letter-spacing:.1em}.hero-stamp{position:absolute;z-index:1;top:20px;right:20px;background:#faf9f1e8;border:1px solid #ffffffb3;border-radius:50%;width:82px;height:82px;display:grid;place-content:center;justify-items:center;gap:3px;color:var(--green);text-align:center}.hero-stamp span{font-size:10px;line-height:1.45;font-weight:700}.hero-scroll{position:absolute;right:34px;bottom:29px;display:flex;align-items:center;gap:10px;color:#8c968f;font-size:10px;letter-spacing:.1em}.hero-scroll svg{transform:rotate(90deg)}.catalog-section{max-width:1240px;margin:0 auto;padding:48px 34px 63px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}.section-heading .eyebrow{color:#88968e}.section-heading h2{font-family:var(--serif);font-size:30px;font-weight:600;letter-spacing:-.025em;margin:10px 0 7px;color:#263a31}.section-heading p{font-size:12px;color:#879088;margin:0}.course-count{display:flex;align-items:baseline;gap:8px;color:#7a867e;padding:0 2px 4px}.course-count strong{font-family:var(--serif);color:var(--green);font-size:29px;font-weight:500}.course-count span{font-size:11px}.catalog-toolbar{display:flex;gap:12px;align-items:center}.search-field{height:46px;flex:1;display:flex;gap:11px;align-items:center;padding:0 14px;border:1px solid #e5e7e0;background:#fff;border-radius:12px;color:#809087;box-shadow:0 2px 6px #1b302b06}.search-field:focus-within{border-color:#aac0af;box-shadow:0 0 0 3px #386c5612}.search-field input{border:0;outline:none;flex:1;min-width:0;color:var(--ink);background:transparent;font-size:12px}.search-field input::placeholder{color:#a0a8a2}.search-field kbd{border:1px solid #ebede8;border-radius:5px;padding:3px 5px;color:#9ca49f;font-size:9px}.search-field button{border:0;background:transparent;color:#7b877f;padding:2px;display:grid}.select-control{height:46px;min-width:142px;position:relative;display:flex;align-items:center;gap:7px;padding:0 12px;background:#fff;border:1px solid #e5e7e0;border-radius:12px;color:#849088}.select-control span{font-size:10px;white-space:nowrap}.select-control select{flex:1;min-width:0;appearance:none;border:0;outline:none;color:#35483e;background:transparent;font-size:11px;cursor:pointer}.select-control>svg{pointer-events:none;position:absolute;right:11px;color:#9aa49c}.subject-filter{display:flex;gap:8px;align-items:center;overflow:auto;padding:18px 0 13px;scrollbar-width:none}.subject-filter::-webkit-scrollbar{display:none}.subject-chip{white-space:nowrap;border:1px solid transparent;background:transparent;border-radius:24px;padding:8px 15px;font-size:11px;color:#77837b;transition:all .16s}.subject-chip:hover{background:#f0f1ea;color:var(--ink)}.subject-chip.chosen{background:var(--ink);color:#fff}.catalog-results{display:flex;justify-content:space-between;align-items:center;padding:8px 0 15px;color:#637168;font-size:11px}.catalog-results i{font-style:normal;color:#bbc2ba}.catalog-results button{border:0;background:none;color:#88938b;font-size:10px}.catalog-results button:hover{color:var(--green)}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{border:1px solid #e8e8e1;background:#fff;border-radius:14px;overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s}.course-card:hover{transform:translateY(-3px);border-color:#d6dfd5;box-shadow:0 12px 28px #283b3010}.course-cover{height:168px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.cover-teal{background:radial-gradient(circle at 76% 20%,#c5ded4 0 12%,transparent 12.5%),linear-gradient(135deg,#e3eee7,#c9ded5)}.cover-clay{background:radial-gradient(ellipse at 75% 82%,#d7a988 0 17%,transparent 17.5%),linear-gradient(135deg,#f1e4d9,#dfc2a8)}.cover-blue{background:radial-gradient(circle at 72% 25%,#ccdeec 0 17%,transparent 17.5%),linear-gradient(130deg,#e5eff4,#c8dce8)}.cover-lilac{background:linear-gradient(135deg,#eae5f1,#d8cfe5)}.cover-green{background:radial-gradient(ellipse at 80% 70%,#b9d2ae 0 20%,transparent 20.5%),linear-gradient(140deg,#e8efe3,#ceddc7)}.cover-amber{background:radial-gradient(circle at 80% 20%,#e6d2a8 0 14%,transparent 14.5%),linear-gradient(135deg,#f4eedf,#e8d8b7)}.cover-rose{background:radial-gradient(ellipse at 79% 66%,#e2bdb5 0 19%,transparent 19.5%),linear-gradient(140deg,#f1e6e2,#e5d0cb)}.cover-subject{position:absolute;top:17px;left:18px;color:#375848a8;font-size:10px;display:inline-flex;align-items:center;gap:7px}.cover-subject i{width:3px;height:3px;border-radius:50%;background:#667f70}.cover-icon{color:#3b6855a8;filter:drop-shadow(0 6px 8px #263f3012);transform:rotate(-5deg)}.cover-mark{position:absolute;bottom:14px;left:18px;color:#557065a6;font-size:9px;letter-spacing:.08em}.featured-tag,.owned-tag{position:absolute;top:14px;right:14px;padding:5px 9px;border-radius:20px;background:#ffffffe0;color:#735b38;font-size:9px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.owned-tag{top:auto;bottom:12px;right:12px;color:#2f624a}.favorite-button{position:absolute;right:12px;bottom:10px;width:32px;height:32px;border-radius:50%;border:1px solid #ffffffaa;background:#ffffffe3;color:#6c7c72;display:grid;place-items:center;transition:all .18s}.favorite-button:hover,.favorite-button.is-favorite{color:#3c755a;background:#fff}.favorite-button.is-favorite svg{fill:#dcece0}.course-card-body{padding:17px 17px 15px}.course-meta{display:flex;align-items:center;gap:7px;color:#8a958e;font-size:10px}.meta-dot{color:#c6cbc4}.meta-spacer{flex:1}.course-meta>span:last-child{display:inline-flex;align-items:center;gap:4px}.course-card h3{font-family:var(--serif);color:#293e33;font-size:17px;font-weight:600;line-height:1.55;margin:10px 0 5px}.course-summary{height:39px;overflow:hidden;color:#879189;font-size:11px;line-height:1.75;margin:0}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:15px;padding-top:12px;border-top:1px solid #f0f0eb}.price-free,.price-paid{font-size:11px;font-weight:700;color:var(--green)}.price-paid{color:#ab7441}.card-actions{display:flex;gap:7px}.button-small{padding:8px 11px;font-size:10px;gap:5px}.button-small.button-primary{box-shadow:none}.catalog-note{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding:12px 15px;border-radius:9px;background:#f1f2ec;color:#748078;font-size:10px}.catalog-note span:first-child{display:inline-flex;gap:7px;align-items:center;color:#57715f}.empty-results{border:1px dashed #d6ddd3;border-radius:14px;text-align:center;padding:50px 20px;background:#fdfcf9}.empty-symbol,.empty-icon{margin:0 auto 12px;width:49px;height:49px;border-radius:50%;display:grid;place-items:center;background:#edf2eb;color:var(--green)}.empty-results h3,.empty-panel h3{font-family:var(--serif);font-size:20px;font-weight:600;margin:0 0 7px;color:#31483b}.empty-results p,.empty-panel p{margin:0 0 18px;color:#87928a;font-size:12px}.teacher-callout{max-width:1172px;margin:3px auto 72px;padding:28px 32px;border:1px solid #e6e8df;border-radius:16px;background:linear-gradient(115deg,#f1f4ed,#f9f8f2);display:flex;align-items:center;gap:20px}.callout-mark{width:48px;height:48px;display:grid;place-items:center;flex:none;border-radius:50%;background:#e1eae0;color:var(--green)}.teacher-callout>div:nth-child(2){flex:1}.teacher-callout .eyebrow{font-size:9px}.teacher-callout h2{font-family:var(--serif);font-size:20px;font-weight:600;margin:4px 0}.teacher-callout p{font-size:11px;color:#7d897f;margin:0}.teacher-callout>.button-secondary{white-space:nowrap}.site-footer{border-top:1px solid #e7e7df;background:#f5f4ee;padding:32px max(34px,calc((100vw - 1172px)/2)) 18px}.course-detail-page{max-width:1240px;margin:0 auto;padding:30px 34px 70px;color:var(--ink)}.course-detail-topline{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line);color:#9aa39c;font-size:9px;letter-spacing:.1em}.course-detail-topline .back-link{font-size:12px;letter-spacing:0}.course-detail-heading{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(245px,.65fr);gap:30px;align-items:end;padding:29px 0 22px}.course-detail-heading h1{margin:10px 0 8px;color:#263c33;font-family:var(--serif);font-size:clamp(30px,3.8vw,43px);font-weight:600;letter-spacing:-.035em;line-height:1.4}.course-detail-heading-main>p{max-width:760px;margin:0;color:#6e7d73;font-size:13px;line-height:1.9}.course-detail-tags{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:14px;color:#78867d;font-size:10px}.course-detail-tags>span:not(.level-badge){padding:6px 10px;border:1px solid #e6e9e2;border-radius:30px;background:#fff}.course-detail-tags .level-badge{margin:0;font-weight:700}.course-detail-teaching{display:flex;gap:12px;align-items:flex-start;padding:17px 18px;border:1px solid #e5ebe2;border-radius:13px;background:#f0f4ed;color:#4f725c}.course-detail-teaching>svg{flex:none;margin-top:1px}.course-detail-teaching strong{font-size:11px}.course-detail-teaching p{margin:5px 0 0;color:#728178;font-size:10px;line-height:1.75}.course-live-status,.course-demo-alert{display:flex;align-items:center;gap:12px;margin:0 0 15px;border-radius:12px;padding:13px 16px}.course-live-status{border:1px solid #d7e6d9;background:#edf5ec;color:#447554;font-size:11px;font-weight:700}.course-demo-alert{align-items:flex-start;border:1px solid #f0d6b2;border-left:4px solid #d4914a;background:#fff5e8;color:#895d2d}.course-demo-alert>svg{flex:none;margin-top:1px}.course-demo-alert strong{display:block;font-size:14px;line-height:1.5}.course-demo-alert p{margin:4px 0 0;color:#987752;font-size:10px;line-height:1.7}.course-detail-player{overflow:hidden;border:1px solid #dfe5df;border-radius:15px;background:#fff;box-shadow:0 12px 35px #263c3310}.course-detail-playerbar{min-height:64px;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 15px;border-bottom:1px solid #e9ece7}.course-detail-player-label{display:flex;align-items:center;gap:10px;min-width:0}.course-player-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#edf3ec;color:var(--green)}.course-detail-player-label>div{display:grid;gap:3px}.course-detail-player-label strong{color:#40554a;font-size:11px}.course-detail-player-label>div>span{color:#89958d;font-size:9px}.course-detail-player-actions{display:flex;align-items:center;gap:8px;flex:none}.course-detail-player-actions .button-small{padding:9px 12px;font-size:10px}.course-detail-frame{height:min(76vh,820px);min-height:560px;background:#f7f7f2}.course-detail-frame iframe{display:block;width:100%;height:100%;border:0;background:#faf9f5}.course-detail-sample{min-height:300px;background:#f8f7f2}.course-detail-sample-host{display:block;width:100%}.course-sample-message{padding:22px 24px;color:#728178;font-size:12px;line-height:1.7}.course-sample-message.error{color:#895d2d}.course-detail-player-help{margin:8px 2px 22px;color:#929b93;font-size:9px;line-height:1.6}.course-original-link{display:inline-flex;align-items:center;gap:4px;margin-left:10px;color:#447554;font-size:10px;font-weight:700;text-decoration:underline;text-underline-offset:2px}.course-detail-bottom-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(240px,.65fr);gap:18px;align-items:start}.course-detail-panel,.course-detail-access{border:1px solid #e6e9e2;border-radius:14px;background:#fff;padding:21px 23px}.course-detail-panel-heading{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:13px}.course-detail-panel-heading h2,.course-detail-access h2{margin:5px 0 0;color:#30463a;font-family:var(--serif);font-size:20px;font-weight:600}.course-detail-panel-heading>span{color:#99a198;font-size:9px}.course-detail-chapters{list-style:none;padding:0;margin:0;border-top:1px solid #eceee9}.course-detail-chapters li{min-height:43px;display:flex;align-items:center;gap:11px;border-bottom:1px solid #eceee9;color:#57665d;font-size:10px}.course-detail-chapters li>span{color:#9ba69d;font-family:DM Sans,sans-serif;font-size:9px}.course-detail-chapters li>strong{font-weight:500}.course-detail-chapters li>svg{margin-left:auto;color:#9fbba6}.course-detail-access{position:sticky;top:100px}.course-detail-access h2{font-size:22px}.course-detail-access>p{margin:9px 0 15px;color:#7b887f;font-size:10px;line-height:1.8}.course-access-button{width:100%;min-height:42px;border-radius:9px;font-size:10px}.course-detail-access>small{display:block;margin-top:10px;color:#a0a89f;font-size:8px;line-height:1.6}@media(max-width:900px){.course-detail-heading,.course-detail-bottom-grid{grid-template-columns:1fr}.course-detail-access{position:static}}@media(max-width:720px){.course-detail-page{padding:19px 18px 45px}.course-detail-heading{gap:15px;padding:22px 0 17px}.course-detail-heading h1{font-size:30px;line-height:1.45}.course-detail-heading-main>p{font-size:11px}.course-detail-playerbar{align-items:stretch;flex-direction:column;gap:10px;padding:12px}.course-detail-player-actions{display:grid;grid-template-columns:1fr 1fr}.course-detail-player-actions .button-small{min-height:38px;padding:8px 7px;font-size:9px}.course-detail-frame{height:68vh;min-height:430px}.course-detail-panel,.course-detail-access{padding:18px 16px}.course-demo-alert strong{font-size:12px}}.footer-top,.footer-bottom{display:flex;justify-content:space-between;align-items:center}.footer-top>div:first-child>p{font-size:10px;color:#839087;margin:5px 0 0 51px}.footer-links{display:flex;gap:22px}.footer-links a{display:inline-flex;align-items:center;gap:6px;color:#78857c;font-size:10px}.footer-links a:hover{color:var(--green)}.footer-bottom{margin-top:23px;padding-top:13px;border-top:1px solid #e6e6df;color:#97a098;font-size:9px}.prototype-note{color:#a48059}.modal-scrim{position:fixed;inset:0;z-index:50;background:#18241fb3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;padding:22px;animation:fade-in .16s ease-out}.preview-dialog{width:min(890px,100%);max-height:min(720px,92vh);overflow:auto;display:grid;grid-template-columns:.82fr 1.18fr;border-radius:18px;background:#fbfaf6;box-shadow:0 25px 70px #1118;position:relative}.preview-art{min-height:570px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;color:#3b6552}.preview-art .preview-close{position:absolute;top:18px;left:18px}.preview-eyebrow{position:absolute;top:23px;left:64px;font-size:10px;color:#47705a;display:flex;align-items:center;gap:6px}.preview-art-label{font-family:var(--serif);font-size:13px;letter-spacing:.12em;color:#547466}.preview-content{padding:27px 34px 25px}.icon-button{width:36px;height:36px;border-radius:50%;color:#5d6d63}.icon-button:hover{background:#edeee8}.preview-heading-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-top:19px}.preview-heading-row h2,.auth-dialog h2,.purchase-dialog h2,.panel-top h2{font-family:var(--serif);font-size:25px;line-height:1.5;color:#2b4035;font-weight:600;margin:6px 0 0}.level-badge{flex:none;margin-top:7px;padding:6px 10px;border-radius:20px;font-size:10px}.level-badge.free{background:#e9f1e7;color:#487252}.level-badge.paid{background:#f3eadc;color:#997044}.preview-summary{color:#768279;font-size:12px;line-height:1.9;margin:12px 0 17px}.back-link{font-size:10px;color:#819087}.teaching-note{display:flex;gap:11px;padding:13px 14px;border-radius:10px;background:#eff3ec;color:#55715f}.teaching-note>svg{flex:none;margin-top:1px}.teaching-note strong{font-size:10px}.teaching-note p{font-size:10px;line-height:1.75;color:#718078;margin:4px 0 0}.chapter-head{display:flex;justify-content:space-between;align-items:center;margin:19px 0 8px;color:#4b6054;font-size:11px}.chapter-head span{color:#a0a89f;font-size:9px}.chapter-list{list-style:none;padding:0;margin:0;border-top:1px solid #edeee8}.chapter-list li{display:flex;align-items:center;gap:12px;padding:10px 1px;border-bottom:1px solid #edeee8;color:#536259;font-size:10px}.chapter-list li>svg{margin-left:auto;color:#b4c4b6}.chapter-index{font-family:DM Sans,sans-serif;color:#a6aea7;font-size:9px}.preview-footnote{display:flex;align-items:center;gap:6px;color:#89948b;font-size:9px;margin:16px 0}.preview-start{width:100%;border-radius:10px;padding:12px}.auth-dialog,.purchase-dialog{width:min(430px,100%);background:#fbfaf6;padding:38px 38px 31px;border-radius:18px;position:relative;box-shadow:0 25px 70px #1118}.modal-close{position:absolute;right:15px;top:15px}.auth-brand{display:flex;align-items:center;gap:10px;color:#668174;font-size:11px}.auth-brand img{width:42px;height:42px;object-fit:contain}.auth-dialog h2,.purchase-dialog h2{font-size:25px;margin-top:16px}.auth-intro,.purchase-dialog>p{font-size:11px;color:#849087;margin:7px 0 18px}.demo-note,.payment-disclosure{display:flex;gap:9px;align-items:flex-start;border-radius:9px;background:#f0f3eb;padding:10px 11px;color:#6f7d70;font-size:10px;line-height:1.7;margin-bottom:17px}.auth-form,.settings-form{display:grid;gap:14px}.auth-form>label,.settings-form>label:not(.toggle-row){display:grid;gap:6px;color:#68766d;font-size:10px}.input-wrap{height:43px;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid #e5e8df;border-radius:9px;padding:0 12px;color:#91a096}.input-wrap:focus-within{border-color:#9ab29e;box-shadow:0 0 0 3px #386c5610}.input-wrap input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#293d32;font-size:11px}.settings-form select{height:41px;border:1px solid #e5e8df;border-radius:8px;background:#fff;padding:0 10px;color:#44574b;font-size:11px}.form-error{color:#a23f39;font-size:10px;margin:-4px 0 0}.auth-submit{width:100%;border-radius:9px;margin-top:4px;padding:13px}.auth-switch{text-align:center;color:#89948d;font-size:10px;margin:17px 0 0}.auth-switch button{border:0;background:none;padding:0;color:var(--green);font-weight:700}.drawer-scrim{justify-content:flex-end;padding:0}.account-panel{height:100%;width:min(455px,100%);overflow:auto;background:#fbfaf6;padding:29px 27px;box-shadow:-15px 0 45px #12201920;animation:slide-in .22s ease-out}.panel-top{display:flex;justify-content:space-between;align-items:flex-start}.panel-top h2{margin-top:6px}.profile-card{display:flex;align-items:center;gap:11px;padding:14px;margin:20px 0 14px;background:#f0f2eb;border-radius:12px}.avatar{width:41px;height:41px;display:grid;place-items:center;border-radius:50%;background:#dfe9dd;color:#49725a}.profile-identity{flex:1;min-width:0;display:grid;gap:3px}.profile-identity strong{font-size:12px;color:#34483b}.profile-identity span{font-size:9px;color:#819087;overflow:hidden;text-overflow:ellipsis}.plan-chip{font-size:9px;padding:5px 8px;border-radius:20px;background:#e4ede3;color:#4f765c}.plan-free{background:#e8e8e1;color:#78837a}.account-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid #e8e9e2}.account-tabs button{display:flex;justify-content:center;align-items:center;gap:6px;border:0;border-bottom:2px solid transparent;background:none;padding:12px 5px;color:#859188;font-size:10px}.account-tabs button.selected{border-color:var(--green);color:var(--green);font-weight:700}.tab-count{min-width:16px;height:16px;font-size:9px}.account-content{min-height:345px;padding:20px 1px}.toggle-row{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#65746b}.toggle-row span{display:flex;align-items:center;gap:7px}.toggle-row input{accent-color:var(--green)}.profile-security{display:flex;align-items:center;gap:6px;color:#87948a;font-size:9px;padding:12px 0}.profile-security svg{color:#639071}.logout-button{width:100%;padding:10px;font-size:10px;margin-top:4px}.empty-panel{text-align:center;padding:43px 17px}.empty-panel .empty-icon{width:44px;height:44px}.empty-panel h3{font-size:18px}.empty-panel p{line-height:1.8}.empty-panel.small{padding:47px 10px}.mini-course-list{display:grid}.mini-course{display:flex;align-items:center;gap:10px;padding:11px 2px;text-align:left;border:0;border-bottom:1px solid #eceee7;background:none}.mini-course-icon{width:37px;height:37px;display:grid;place-items:center;border-radius:8px;color:#4c705c}.mini-course>span:nth-child(2){display:grid;gap:4px;min-width:0;flex:1}.mini-course strong,.order-copy strong{font-size:10px;color:#405347;font-weight:600}.mini-course small,.order-copy small{font-size:9px;color:#99a198}.mini-arrow{font-size:9px;color:#7f9383}.empty-copy{text-align:center;padding:35px 15px;color:#8d988f;font-size:11px;line-height:1.8}.order-row{display:flex;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid #eceee7}.order-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:#eeefe8;color:#647b6d}.order-copy{flex:1;min-width:0;display:grid;gap:4px}.order-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.order-amount{text-align:right;color:#516a58;font-size:10px}.order-amount small{display:flex;align-items:center;gap:3px;margin-top:3px;color:#718c71;font-size:8px}.panel-footnote{border-top:1px solid #e9eae4;padding-top:13px;color:#a0a79f;font-size:9px}.purchase-dialog{text-align:center;padding-top:38px}.purchase-icon{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;background:#e5eee2;color:#4b7157}.purchase-dialog .eyebrow{justify-content:center}.purchase-dialog h2{font-size:21px;line-height:1.5;margin:8px 0}.purchase-dialog>p{margin-bottom:15px}.purchase-price{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-top:1px solid #e8eae2;border-bottom:1px solid #e8eae2;color:#819087;font-size:11px;margin-bottom:14px}.purchase-price strong{font-family:var(--serif);color:#526c58;font-size:25px}.payment-disclosure{text-align:left;background:#f1f1e9}.payment-disclosure svg{color:#5e8665;flex:none;margin-top:1px}.purchase-cancel{font-size:10px;margin-top:9px}.toast-message{position:fixed;z-index:90;bottom:25px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:9px;padding:12px 18px;border-radius:30px;background:#283d32;color:#fff;box-shadow:0 9px 24px #1e312933;font-size:11px;animation:fade-in .2s ease-out;white-space:nowrap}.toast-message svg{color:#c7e3ca}.mini-menu{display:none}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in{0%{transform:translate(18px);opacity:.8}to{transform:translate(0);opacity:1}}@media(max-width:1000px){.hero-section{gap:32px;min-height:510px;padding-top:58px}.hero-visual{height:360px}.hero-copy h1{font-size:49px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-callout{margin-left:28px;margin-right:28px}.hero-facts{gap:7px;font-size:10px}}@media(max-width:720px){.site-header{height:68px}.header-inner{padding:0 19px}.brand-lockup img{width:36px;height:36px}.brand-copy strong{font-size:20px}.brand-tagline{font-size:9px}.mobile-menu{display:inline-flex}.main-nav{display:none;position:absolute;top:67px;left:0;right:0;padding:13px 18px 17px;background:#faf9f5;border-bottom:1px solid var(--line);box-shadow:0 10px 15px #18241f0d;flex-direction:column;align-items:stretch}.main-nav.nav-open{display:flex}.nav-link,.header-cta{justify-content:flex-start;border-radius:9px;padding:12px 13px}.hero-section{padding:44px 21px 36px;grid-template-columns:1fr;gap:25px;min-height:0}.hero-copy{max-width:none}.hero-copy h1{font-size:clamp(40px,10vw,53px);margin:18px 0 10px}.hero-copy>p{font-size:13px;line-height:1.9}.hero-actions{margin-top:20px;gap:15px}.hero-facts{flex-wrap:wrap;margin-top:20px}.hero-facts span:last-child{display:none}.hero-visual{height:280px;border-radius:15px}.hero-stamp{width:70px;height:70px;top:12px;right:12px}.hero-scroll{display:none}.catalog-section{padding:35px 19px 43px}.section-heading{margin-bottom:19px}.section-heading h2{font-size:25px}.section-heading p{max-width:290px;line-height:1.7}.course-count{gap:5px}.course-count strong{font-size:24px}.course-count span{font-size:9px}.catalog-toolbar{flex-wrap:wrap}.search-field{flex-basis:100%;height:44px}.select-control{flex:1;min-width:0;height:42px}.select-control span{font-size:9px}.select-control select{font-size:10px}.subject-filter{margin-right:-19px;padding-right:19px;padding-top:13px}.subject-chip{padding:8px 12px}.course-grid{gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.course-cover{height:130px}.cover-icon{width:38px;height:38px}.cover-subject{top:12px;left:12px;font-size:9px}.cover-mark{left:12px;bottom:10px;font-size:8px}.favorite-button{width:28px;height:28px;right:8px;bottom:7px}.featured-tag{top:9px;right:9px;font-size:8px;padding:4px 7px}.course-card-body{padding:12px 11px 11px}.course-meta{font-size:8px;gap:4px}.course-meta>span:last-child{font-size:8px}.course-card h3{font-size:14px;line-height:1.5;margin-top:7px}.course-summary{font-size:9px;height:34px}.card-bottom{margin-top:11px;padding-top:9px;display:grid;gap:9px}.price-free,.price-paid{font-size:10px}.card-actions{justify-content:space-between}.button-small{padding:7px 9px;font-size:9px}.button-small svg{width:12px}.catalog-note{font-size:9px;gap:8px}.catalog-note span:last-child{text-align:right}.teacher-callout{margin:0 18px 42px;padding:19px;gap:12px;align-items:flex-start;flex-wrap:wrap}.callout-mark{width:40px;height:40px}.teacher-callout h2{font-size:17px}.teacher-callout p{line-height:1.7;max-width:255px}.teacher-callout>.button-secondary{margin-left:52px;font-size:10px;padding:9px 12px}.site-footer{padding:25px 20px 16px}.footer-top{align-items:flex-start;gap:18px}.footer-links{display:grid;gap:11px}.footer-top>div:first-child>p{margin-left:47px}.footer-bottom{align-items:flex-start;gap:12px;font-size:8px}.preview-dialog{display:block;max-height:92vh}.preview-art{min-height:150px;height:150px;gap:5px}.preview-art>svg{width:37px;height:37px}.preview-eyebrow{top:16px;left:54px}.preview-art .preview-close{top:8px;left:11px}.preview-content{padding:19px 20px 20px}.preview-heading-row h2{font-size:21px}.preview-summary{font-size:11px}.chapter-list li{padding:9px 1px}.auth-dialog,.purchase-dialog{padding:33px 24px 25px}.account-panel{padding:23px 20px}.account-tabs button{font-size:9px}.account-content{min-height:300px}}@media(max-width:420px){.course-grid{gap:9px}.course-cover{height:112px}.course-card-body{padding:10px 9px}.course-card h3{font-size:13px}.course-meta .meta-spacer{display:none}.catalog-note{align-items:flex-start;line-height:1.6}.hero-actions{gap:13px}.hero-primary{padding:12px 15px;font-size:11px}.hero-secondary{font-size:11px}.hero-visual{height:235px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}.radix-dialog-content{position:fixed;z-index:51;top:50%;left:50%;max-height:min(720px,92vh);overflow:auto;transform:translate(-50%,-50%)}@media(max-width:480px){.radix-dialog-content{width:calc(100vw - 32px);max-height:92dvh}}:root{font-size:16px;--muted: #65736a}body{font-size:16px;line-height:1.6}button,a,input,select{touch-action:manipulation}.brand-latin{font-size:11px}.brand-tagline{font-size:12px}.nav-link{min-height:46px;padding:11px 15px;font-size:14px}.header-cta{min-height:46px;padding:11px 19px;font-size:14px}.icon-button{width:44px;height:44px;flex:none}.nav-count,.tab-count{min-width:21px;height:21px;font-size:12px}.button-primary,.button-secondary{min-height:48px;padding:13px 22px;font-size:15px}.hero-secondary,.back-link,.purchase-cancel{min-height:44px;font-size:14px}.hero-eyebrow,.eyebrow{font-size:12px}.hero-copy>p{font-size:17px;line-height:1.9}.hero-facts{font-size:13px}.hero-facts span{gap:7px}.hero-stamp span,.caption-label{font-size:12px}.section-heading h2{font-size:32px}.section-heading p{font-size:14px;line-height:1.7;color:#69766d}.course-count span{font-size:13px}.search-field{min-height:50px;height:auto;padding:0 15px}.search-field input{font-size:15px}.search-field input::placeholder{color:#747f77;opacity:1}.search-field kbd{font-size:11px}.search-field button{min-width:40px;min-height:40px;place-items:center}.select-control{min-height:50px;height:auto;padding:0 14px}.select-control span{font-size:13px;color:#65736a}.select-control select{min-height:46px;padding-right:20px;font-size:14px}.subject-filter{gap:9px;padding-top:15px;padding-bottom:14px}.subject-chip{min-height:44px;padding:9px 16px;font-size:14px}.catalog-results{min-height:48px;font-size:13px}.catalog-results button{min-height:44px;padding:8px 10px;color:#5f6f64;font-size:13px}.cover-subject{font-size:12px}.cover-mark{font-size:11px}.featured-tag,.owned-tag{padding:6px 10px;font-size:11px}.favorite-button{width:44px;height:44px}.course-meta{flex-wrap:wrap;font-size:12px;line-height:1.5}.course-card h3{font-size:19px;line-height:1.5}.course-summary{height:auto;min-height:43px;color:#637168;font-size:13px;line-height:1.65;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}.price-free,.price-paid{font-size:13px}.button-small{min-height:44px;padding:9px 13px;font-size:13px}.catalog-note{min-height:48px;padding:12px 15px;color:#5f6d63;font-size:12px;line-height:1.6}.catalog-note span:first-child{color:#45634e}.empty-results p,.empty-panel p{color:#647168;font-size:14px;line-height:1.7}.teacher-callout .eyebrow{font-size:11px}.teacher-callout h2{font-size:22px}.teacher-callout p{color:#617066;font-size:14px;line-height:1.7}.footer-top>div:first-child>p,.footer-links a{font-size:12px}.footer-links a{min-height:44px}.footer-bottom{font-size:11px;line-height:1.6}.course-detail-topline{font-size:12px}.course-detail-topline .back-link{font-size:14px}.course-detail-heading-main>p{font-size:15px;line-height:1.8}.course-detail-tags{font-size:12px}.course-detail-tags>span:not(.level-badge){padding:7px 11px}.course-detail-teaching strong,.course-detail-player-label strong{font-size:14px}.course-detail-teaching p,.course-detail-player-label>div>span{color:#5f7065;font-size:13px;line-height:1.7}.course-live-status{font-size:14px}.course-demo-alert p{color:#795c3a;font-size:13px}.course-detail-player-actions .button-small{min-height:44px;padding:9px 13px;font-size:13px}.course-detail-player-help{color:#66746b;font-size:12px}.course-original-link{min-height:40px;font-size:12px}.course-sample-message{font-size:14px}.course-detail-panel-heading>span{font-size:12px}.course-detail-chapters li{min-height:48px;font-size:13px}.course-detail-chapters li>span{font-size:12px}.course-detail-access>p{color:#647168;font-size:13px}.course-access-button{min-height:48px;font-size:14px}.course-detail-access>small{color:#66746b;font-size:11px}.preview-eyebrow,.level-badge,.back-link{font-size:12px}.preview-summary{color:#637168;font-size:14px}.teaching-note strong,.chapter-head{font-size:13px}.teaching-note p{color:#5f7065;font-size:13px}.chapter-head span,.chapter-index{font-size:12px}.chapter-list li{min-height:44px;font-size:13px}.preview-footnote{font-size:12px}.auth-brand{font-size:13px}.auth-intro,.purchase-dialog>p{color:#647168;font-size:14px;line-height:1.7}.demo-note,.payment-disclosure{color:#5f6d63;font-size:13px}.auth-form>label,.settings-form>label:not(.toggle-row){gap:7px;color:#56655b;font-size:13px}.input-wrap{height:50px}.input-wrap input{font-size:15px}.settings-form select{height:50px;font-size:14px}.form-error{font-size:13px}.auth-submit{min-height:50px}.auth-switch{font-size:13px}.auth-switch button{min-height:44px;padding:7px 4px;font-size:13px}.profile-identity strong{font-size:14px}.profile-identity span,.plan-chip{font-size:12px}.account-tabs button{min-height:48px;padding:10px 6px;font-size:13px}.tab-count{min-width:20px;height:20px;font-size:11px}.toggle-row{min-height:44px;font-size:13px}.toggle-row input{width:19px;height:19px}.profile-security{color:#627168;font-size:12px}.logout-button{min-height:48px;font-size:14px}.mini-course{min-height:60px}.mini-course strong,.order-copy strong{font-size:13px}.mini-course small,.order-copy small{color:#647168;font-size:12px}.mini-arrow{min-height:40px;display:inline-flex;align-items:center;font-size:12px}.empty-copy{color:#647168;font-size:13px}.order-amount{font-size:13px}.order-amount small{font-size:11px}.panel-footnote{font-size:12px}.purchase-price{font-size:13px}.purchase-cancel{justify-content:center;padding:8px 12px}.toast-message{max-width:calc(100vw - 32px);white-space:normal;font-size:13px;line-height:1.5}@media(max-width:720px){.site-header{height:72px}.header-inner{padding-inline:16px}.mobile-menu{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px}.main-nav{top:71px;padding:13px 16px 17px}.nav-link,.header-cta{min-height:48px;font-size:15px}.hero-section{padding:42px 20px 36px}.hero-copy>p{font-size:16px}.hero-actions{flex-wrap:wrap;gap:10px 14px}.hero-primary,.hero-actions .button-primary{min-height:48px;padding:12px 18px;font-size:14px}.hero-secondary{font-size:14px}.hero-facts{font-size:12px;line-height:1.6}.catalog-section{padding:34px 18px 42px}.section-heading{align-items:flex-start;gap:10px}.section-heading h2{font-size:28px}.section-heading p{font-size:13px}.course-count{flex:none}.course-count strong{font-size:25px}.course-count span{font-size:11px;white-space:nowrap}.catalog-toolbar{gap:9px}.search-field{min-height:50px}.search-field input{font-size:14px}.select-control{min-height:48px;flex:1 1 0;min-width:0;gap:6px;padding:0 10px}.select-control span,.select-control select{font-size:12px}.select-control select{padding-right:18px}.subject-filter{margin-right:-18px;padding-right:18px}.subject-chip{min-height:44px;padding-inline:13px;font-size:13px}.course-grid{gap:12px}.course-cover{height:132px}.favorite-button{width:44px;height:44px;right:6px;bottom:6px}.course-card-body{padding:12px 10px 11px}.course-meta{font-size:11px;gap:4px}.course-card h3{font-size:16px;line-height:1.5}.course-summary{min-height:42px;font-size:12px}.card-bottom{align-items:stretch;gap:9px;margin-top:11px;padding-top:10px}.price-free,.price-paid{font-size:12px}.card-actions{gap:7px}.button-small{min-height:44px;padding:8px 10px;font-size:12px}.catalog-note{align-items:flex-start;gap:8px;font-size:11px}.teacher-callout{margin:0 18px 42px;padding:19px;gap:12px}.teacher-callout h2{font-size:19px}.teacher-callout p{font-size:13px}.teacher-callout>.button-secondary{min-height:48px;margin-left:52px;padding:10px 14px;font-size:13px}.site-footer{padding:24px 18px 16px}.footer-top{flex-wrap:wrap}.footer-links{gap:8px 14px}.footer-bottom{align-items:flex-start;gap:10px;font-size:10px}.preview-dialog{display:block;max-height:92dvh}.preview-art{min-height:150px;height:150px}.preview-content{padding:19px 18px 20px}.auth-dialog,.purchase-dialog{padding:36px 24px 25px}.account-panel{padding:23px 20px}.course-detail-page{padding:18px 16px 42px}.course-detail-heading h1{font-size:clamp(28px,7vw,34px)}.course-detail-heading-main>p{font-size:14px}.course-detail-player-actions .button-small{min-height:46px;font-size:12px}.course-detail-frame{min-height:360px;height:68dvh}}@media(max-width:520px){.course-grid{grid-template-columns:minmax(0,1fr);gap:14px}.course-cover{height:155px}.course-card-body{padding:14px 14px 13px}.course-meta{font-size:12px}.course-card h3{font-size:18px}.course-summary{min-height:43px;font-size:13px}.card-bottom{display:flex;flex-direction:column;align-items:stretch;gap:10px}.card-actions{display:grid;grid-template-columns:1fr 1fr}.button-small{min-height:46px;font-size:13px}.catalog-note{flex-direction:column;font-size:12px}.teacher-callout{align-items:flex-start}.teacher-callout>.button-secondary{margin-left:0}.section-heading{flex-wrap:wrap}}@media(max-width:380px){.header-inner{padding-inline:13px}.brand-lockup{gap:7px}.brand-lockup img{width:34px;height:34px}.brand-copy strong{font-size:19px}.brand-tagline{font-size:11px}.hero-section{padding-inline:17px}.hero-copy h1{font-size:clamp(36px,10vw,42px)}.hero-actions{gap:5px 10px}.hero-primary,.hero-actions .button-primary{padding-inline:14px}.catalog-section{padding-inline:15px}.search-field kbd{display:none}.select-control{padding-inline:8px}.select-control span,.select-control select{font-size:11px}.subject-filter{margin-right:-15px;padding-right:15px}.teacher-callout{margin-inline:15px}.modal-scrim{padding:12px}.radix-dialog-content{width:calc(100vw - 24px);max-height:94dvh}.auth-dialog,.purchase-dialog{padding-inline:19px}.account-panel{padding-inline:16px}.account-tabs button{font-size:12px}.course-detail-page{padding-inline:13px}.course-detail-player-actions{grid-template-columns:1fr}}.eyebrow,.section-heading .eyebrow,.teacher-callout .eyebrow{color:#5f7065}.hero-facts,.course-count span,.course-meta,.course-detail-topline,.course-detail-tags,.course-detail-panel-heading>span,.course-detail-player-help,.footer-links a,.footer-bottom,.profile-identity span,.plan-chip,.profile-security,.mini-course small,.order-copy small,.panel-footnote,.preview-footnote{color:#5f6f64}.search-field input::placeholder{color:#626f66}.cover-subject{color:#355342}.cover-mark{color:#45614f}.meta-dot{color:#8b978e}.catalog-results i{color:#87938a}.level-badge.free{color:#355b3d}.level-badge.paid{color:#795a31}.chapter-index,.chapter-head span{color:#68766c}.teacher-callout p,.empty-results p,.empty-panel p{color:#5f6f64}@media(max-width:720px){.course-detail-topline{color:#5f6f64}}