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small{font-size:9px;color:var(--muted)}.primary.full{width:100%;margin-top:13px}.primary:disabled{opacity:.4;cursor:not-allowed}.upload-status{font-size:11px;color:#527267;min-height:16px}.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:var(--ink);color:white;border-radius:12px;padding:13px 20px;font-size:12px;z-index:60;opacity:0;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}@media(max-width:900px){.nav-links{display:none}.hero{grid-template-columns:1fr;padding-top:80px}.hero-copy{text-align:center}.hero-sub{margin:auto}.eyebrow,.hero-actions,.trust{justify-content:center}.hero-product{transform:scale(.88);margin:-20px}.split-heading,.feature-heading{grid-template-columns:1fr;gap:18px}.steps{grid-template-columns:1fr}.step{max-width:560px;margin:auto}.feature-grid{grid-template-columns:1fr}.feature-wide{grid-column:auto;grid-template-columns:1fr}.stories{grid-template-columns:1fr;gap:50px}.cta-section{grid-template-columns:1fr;text-align:center}.cta-art{height:170px}.footer{grid-template-columns:1fr 1fr}.footer>div{justify-self:end}}@media(max-width:600px){.container{width:min(100% - 28px,1180px)}.nav-actions{display:none}.menu-btn{display:block}h1{font-size:45px;letter-spacing:-2.5px}.hero-actions{flex-direction:column;gap:15px}.hero-product{transform:scale(.64);margin:-95px -120px}.logo-strip div{gap:25px}.pain-section,.feature-section,.stories{padding:75px 0}.feature-grid article{padding:24px}.feature-wide{display:block}.doc-demo{margin-top:30px}.story-card{padding:30px}.story-card blockquote{font-size:18px}.cta-section{padding:45px 24px}.cta-section h2{font-size:31px}.footer{grid-template-columns:1fr;text-align:center}.footer .brand,.footer>div{justify-self:center}.float-card.translate{left:-5px}.float-card.deadline{right:-5px}}
@media(max-width:600px){body.mobile-nav-open .nav-links{display:flex;position:fixed;left:14px;right:14px;top:68px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);flex-direction:column;gap:0}body.mobile-nav-open .nav-links a{padding:13px 10px;border-bottom:1px solid var(--line)}body.mobile-nav-open .nav-links a:last-child{border-bottom:0}.menu-btn{position:relative;z-index:2;min-width:38px}}
.language-select{border:1px solid var(--line);background:rgba(255,255,255,.65);border-radius:10px;padding:9px 10px;color:var(--ink);font:inherit;font-size:12px;max-width:145px}@media(max-width:600px){.nav-actions:has(.language-select){display:flex}.nav-actions .text-btn,.nav-actions .primary{display:none}.language-select{max-width:125px}}

/* Oxford Calm — selected visual direction */
:root{--ink:#082f27;--muted:#67766f;--cream:#faf8f1;--paper:#fffefa;--lime:#dbe86b;--green:#063f33;--mint:#dfeae2;--blue:#dbe8e4;--coral:#c98568;--line:#dedfd7;--shadow:0 30px 80px rgba(14,47,38,.12)}
body{background:radial-gradient(circle at 46% 8%,rgba(224,234,219,.42),transparent 26%),var(--cream)}
.nav-wrap{background:rgba(250,248,241,.92);border-bottom-color:rgba(8,47,39,.11)}
.nav{height:82px}.brand{font-family:"Libre Baskerville","Noto Sans SC",serif;font-weight:700;letter-spacing:-.5px}.brand-mark{border-radius:50%;background:transparent;color:var(--green);font-family:inherit;font-style:normal;font-size:25px}.brand small{font-family:"DM Sans","Noto Sans SC",sans-serif;letter-spacing:.08em;text-transform:uppercase;font-size:9px}
.nav-links a{font-size:13px}.language-select{background:transparent;border-color:#cfd5cd}.primary{background:var(--lime);color:#10271f;border-radius:6px;box-shadow:0 8px 18px rgba(69,83,30,.12)}.primary:hover{box-shadow:0 12px 25px rgba(69,83,30,.2)}.primary>span:last-child{color:var(--green)}
.hero{min-height:760px;grid-template-columns:.88fr 1.12fr;gap:54px;padding-top:45px}.hero-copy{position:relative}.hero-copy:before{content:"";position:absolute;width:160px;height:160px;border:1px solid rgba(8,63,51,.1);border-radius:50%;left:-100px;top:-70px}.eyebrow{color:#42675b;letter-spacing:1.8px;text-transform:uppercase}.eyebrow>span:first-child{width:28px;height:1px;background:var(--coral)}.eyebrow [data-i18n]{width:auto;height:auto;background:none}
h1{font-family:"Libre Baskerville","Noto Sans SC",serif;font-weight:400;font-size:clamp(50px,4.8vw,70px);line-height:1.13;letter-spacing:-3.3px;margin:27px 0 25px}h1 em{font-family:inherit;color:var(--green)}.hero-sub{font-size:16px;line-height:1.8;max-width:530px}.hero-actions{margin-top:34px}.hero-actions .primary{padding:16px 22px}.play-btn i{border-color:#aab7ae}.trust{padding-top:25px;border-top:1px solid var(--line);margin-top:38px}.stars{font-size:10px}
.hero-product{min-height:610px}.orbit{border-color:rgba(8,63,51,.1)}.orbit-one{width:600px;height:600px}.orbit-two{width:480px;height:480px}.app-shell{width:560px;height:510px;border-radius:16px;transform:none;border-color:#d8dbd3;box-shadow:0 38px 90px rgba(20,55,45,.16)}.side{width:72px;background:linear-gradient(180deg,#073f34,#052f28)}.mini-brand{border-radius:50%;background:transparent;color:var(--lime);font-size:18px}.app-main{padding:30px;background:#fdfcf7}.app-top h3,.section-head b{font-family:"Libre Baskerville","Noto Sans SC",serif}.progress-card{border-radius:10px}.course,.quick-grid div{border-radius:8px}.float-card{border-radius:8px;border:1px solid var(--line);box-shadow:0 18px 45px rgba(20,55,45,.13)}.translate{left:-24px}.deadline{right:-20px}
.logo-strip{background:var(--green);color:white;padding:31px 24px}.logo-strip p{color:#b8c9c2}.logo-strip span{font-family:"Libre Baskerville",serif;color:#f0f1e8;font-weight:400}
.pain-section{padding:125px 0}.split-heading h2,.feature-heading h2,.story-side h2,.cta-section h2{font-family:"Libre Baskerville","Noto Sans SC",serif;font-weight:400;letter-spacing:-2.3px}.step-num{color:#6d8078}.step-visual{background:#efeee7;border:1px solid #e2e2d9;border-radius:10px}.step h3{font-family:"Libre Baskerville","Noto Sans SC",serif;font-weight:400}.upload-core,.term-card,.plan-row{border-radius:7px}.term-card{border-top-color:var(--green)}
.feature-section{background:#073f34}.feature-grid article{border-radius:10px}.feature-large{background:#dfe9e1}.feature-small{background:#f6f1e5}.exam{background:#dfb19d}.feature-wide{background:#e8e3d5}.feature-grid h3{font-family:"Libre Baskerville","Noto Sans SC",serif;font-weight:400}.chat-demo,.flashcard span,.quiz,.doc-demo{border-radius:8px}.tag{color:#456d5e}.comment-bubble{background:var(--lime);border-radius:6px}
.story-card{background:#e9ebe3;border-radius:12px}.story-card blockquote{font-family:"Libre Baskerville","Noto Sans SC",serif;font-weight:400}.student>span{background:var(--coral)}
.cta-section{background:var(--lime);border-radius:12px}.planet{background:var(--green)}.footer{border-top:1px solid var(--line)}
.modal-card{border-radius:12px;border:1px solid var(--line)}.modal h2{font-family:"Libre Baskerville","Noto Sans SC",serif}.drop-zone{border-radius:8px}.close{border-radius:50%}
@media(max-width:900px){.hero{gap:10px}.app-shell{width:520px}.hero-copy:before{display:none}}
@media(max-width:600px){.nav{height:70px}.brand small{display:none}.hero{padding-top:64px}.hero-copy{text-align:left}.eyebrow,.hero-actions,.trust{justify-content:flex-start}h1{font-size:42px;letter-spacing:-2px}.hero-sub{font-size:15px}.trust{align-items:flex-start}.app-shell{width:520px}.logo-strip{margin-top:20px}}