:root{--bg:#ffffff;--bg-soft:#f8f8f6;--text:#111111;--muted:#757575;--muted-soft:#aaaaaa;--line:#ebebе7;--accent:#07454e;--accent-hover:#053a42}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.55;font-feature-settings:"ss01","cv05";text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}.page{min-height:100vh;background:var(--bg)}.header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line);padding:0 40px;height:54px}.header,.header-inner{display:flex;align-items:center}.header-inner{width:100%;max-width:1160px;margin:0 auto;justify-content:space-between;gap:24px}.wordmark{font-size:14px;font-weight:590;letter-spacing:-.035em;color:var(--text)}.nav{display:flex;align-items:center;gap:28px;font-size:12.5px}.nav a{color:var(--muted);letter-spacing:-.005em;transition:color .12s ease}.nav a:hover{color:var(--text)}.languages{display:flex;align-items:center;gap:0;margin-left:18px;padding-left:18px;border-left:1px solid var(--line)}.languages button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;padding:3px 5px;font-size:10.5px;font-weight:450;letter-spacing:.06em;color:var(--muted-soft);transition:color .12s ease;line-height:1}.languages button:hover{color:var(--muted)}.languages button.active{color:var(--accent);font-weight:580}.hero{max-width:1160px;margin:0 auto;padding:96px 40px 108px}.hero-inner{max-width:760px}.hero 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h2{font-size:clamp(36px,4vw,58px);font-weight:280;line-height:1;letter-spacing:-.06em}.product-copy .lead{margin-top:22px;max-width:380px;font-size:clamp(18px,1.9vw,26px);font-weight:300;line-height:1.2;letter-spacing:-.045em;color:var(--text)}.product-copy .description{margin-top:18px;max-width:380px;font-size:14px;font-weight:350;line-height:1.72;color:var(--muted);letter-spacing:-.005em}.text-link{display:inline-flex;margin-top:26px;color:var(--accent);font-size:12.5px;font-weight:500;letter-spacing:-.008em;transition:opacity .12s ease}.text-link:hover{opacity:.65}.app-preview{border-left:1px solid var(--line);padding:44px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft)}.preview-window{width:100%;max-width:420px;border:1px solid var(--line);border-radius:9px;background:var(--bg);box-shadow:0 4px 32px rgba(0,0,0,.05);overflow:hidden}.preview-header{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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p{margin-top:12px;color:var(--muted);line-height:1.6;font-size:13.5px;font-weight:350;letter-spacing:-.005em}.final-cta{text-align:center}.final-cta h2{max-width:640px;margin:0 auto;font-size:clamp(30px,3.8vw,56px);font-weight:280;line-height:1.06;letter-spacing:-.06em}.final-cta .button{margin-top:34px}.footer{max-width:1160px;margin:0 auto;padding:24px 40px;display:flex;justify-content:space-between;align-items:center;color:var(--muted-soft);font-size:11.5px;font-weight:400;letter-spacing:-.005em;border-top:1px solid var(--line)}@media (max-width:900px){.header{padding:0 22px}.hero{padding:64px 22px 72px}.hero h1{font-size:clamp(34px,11vw,58px)}.hero p{font-size:15px}.section-inner{padding:60px 22px}.split{gap:24px}.product-card,.split{grid-template-columns:1fr}.product-copy{padding:32px}.app-preview{border-left:none;border-top:1px solid var(--line);padding:32px}.principles{grid-template-columns:1fr 1fr}.footer{padding:20px 22px}}@media (max-width:560px){.nav 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