:root{--bg:#050812;--card:#0a0f23;--muted:#6b7280;--accent:#3cb5f19c;--accent-light:#2f80a5cb;--glass: rgba(255,255,255,.01);--radius:12px;--maxw:1100px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:fixed linear-gradient(135deg,var(--bg) 0%,#070b1a 50%,#050812 100%);background-attachment:fixed;color:#d1d5db;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;position:relative}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 50%,rgba(37,99,235,.03) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(59,130,246,.02) 0%,transparent 50%);pointer-events:none;z-index:-1}.container{max-width:var(--maxw);margin:24px auto;padding:0 16px;position:relative;z-index:10}.site-header{-webkit-backdrop-filter:saturate(100%) blur(4px);backdrop-filter:saturate(100%) 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12px;line-height:1.5}.hero-tech{color:var(--accent);font-size:.95rem;margin:0}.download-btn{display:inline-block;margin-top:0;background:linear-gradient(90deg,var(--accent),var(--accent-light));color:#050812;border:none;border-radius:10px;text-decoration:none;font-weight:600;font-size:.95rem;transition:all .3s ease;cursor:pointer}.download-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #2563eb26}.model-viewer-container{width:100%;height:500px;border-radius:12px;overflow:hidden;border:2px solid rgba(37,99,235,.1);background:linear-gradient(135deg,#2563eb05,#3b82f603);margin:24px 0}.video-container{width:100%;aspect-ratio:16 / 9;border-radius:12px;overflow:hidden;border:2px solid rgba(37,99,235,.1);margin:24px 0}.sections-wrapper{padding:40px 20px;display:flex;gap:40px;position:relative}.side-nav{position:sticky;top:80px;width:200px;flex-shrink:0;height:fit-content;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent);border:1px solid 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p{color:var(--muted);line-height:1.8;margin-bottom:16px;font-size:1rem}.detail-section ul{list-style:none;padding:0;margin:16px 0}.detail-section li{color:var(--muted);padding:10px 0 10px 28px;position:relative;line-height:1.7;font-size:1rem}.detail-section li:before{content:"▸";position:absolute;left:0;color:var(--accent);font-weight:700;font-size:1.2rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (max-width: 760px){.project-hero{height:300px}.hero-overlay{padding:24px}.hero-overlay h1{font-size:1.8rem}.hero-subtitle{font-size:.95rem}.sections-wrapper{padding:24px 16px;flex-direction:column;gap:24px}.side-nav{position:static;top:auto;width:100%;margin-bottom:16px}.max-width-container{max-width:100%}.detail-section{margin-bottom:32px}.detail-section h2{font-size:1.4rem}.detail-section p{font-size:.95rem}.detail-section li{font-size:.95rem;padding:8px 0 8px 24px}.model-viewer-container{height:300px}}