:root{--bg:#0b0b10;--elev:rgba(255,255,255,.06);--stroke:rgba(255,255,255,.12);--text:#e8eaf2;--muted:#a8aec3;--accent1:#7c5cff;--accent2:#00e0ff;--accent3:#ff4ecd;--radius:20px;--shadow:0 10px 30px rgba(0,0,0,.35)}*{box-sizing:border-box}html:focus-within{scroll-behavior:smooth}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:radial-gradient(800px 500px at 20% 10%,rgba(124,92,255,.08),transparent 60%),radial-gradient(600px 400px at 80% 20%,rgba(0,224,255,.08),transparent 60%),radial-gradient(800px 600px at 50% 100%,rgba(255,78,205,.07),transparent 60%),var(--bg);line-height:1.6}.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:16px;top:16px;width:auto;height:auto;background:var(--bg);color:var(--text);padding:8px 12px;border:1px solid var(--stroke);border-radius:999px;z-index:1000}.container{width:min(1200px,100% - 32px);margin-inline:auto}.section{padding-block:96px}.section-head h2{margin:0 0 8px;font-size:32px}.section-head .muted{margin:0;max-width:60ch}.muted{color:var(--muted)}.site-header{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:saturate(140%) blur(10px);backdrop-filter:saturate(140%) blur(10px);background:linear-gradient(180deg,#0b0b10b3,#0b0b1059);border-bottom:1px solid var(--stroke)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 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16px;font-size:18px}.youtube-modal-overlay{position:fixed;inset:0;z-index:100;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:grid;place-items:center;padding:20px;animation:fade-in .3s ease}.youtube-modal-content{width:100%;max-width:1200px;background:var(--bg);border:1px solid var(--stroke);border-radius:var(--radius);overflow:hidden;animation:slide-up .3s ease}.youtube-modal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--stroke)}.youtube-modal-title{margin:0;font-size:20px;flex:1}.youtube-modal-close{background:transparent;border:1px solid var(--stroke);border-radius:10px;width:40px;height:40px;display:grid;place-items:center;color:var(--text);cursor:pointer;transition:background .2s ease,border-color .2s ease}.youtube-modal-close:hover{background:var(--elev);border-color:var(--accent1)}.youtube-modal-video{padding:0}.youtube-embed-container{position:relative;width:100%;padding-bottom:56.25%;background:#000}.youtube-embed-container iframe{position:absolute;inset:0;width:100%;height:100%}.youtube-modal-footer{display:flex;gap:16px;align-items:center;padding:16px 24px;border-top:1px solid var(--stroke);color:var(--muted);font-size:14px}.youtube-modal-author{flex:1}.youtube-modal-category{padding:4px 12px;background:#7c5cff26;border-radius:6px}@keyframes fade-in{0%{opacity:0}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}}@media (prefers-reduced-motion: reduce){html:focus-within{scroll-behavior:auto}*{animation:none!important;transition:none!important}[data-reveal]{opacity:1;transform:none}}