:root{--bg: #07090f;--surface: #0d1117;--surface-2: #151b28;--surface-3: #1c2436;--border: #253049;--border-light: #2f3f5e;--text: #dfe6f0;--text-dim: #6b7a96;--text-muted: #3e4d66;--accent: #3b9eff;--accent-dim: rgba(59, 158, 255, .12);--green: #2dd4a0;--green-dim: rgba(45, 212, 160, .12);--amber: #f0a030;--red: #ef5050;--font-mono: "DM Mono", monospace;--font-sans: "Outfit", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' 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transparent}.btn-primary{background:var(--accent);color:#000;border-color:var(--accent)}.btn-primary:hover{background:#5db3ff;border-color:#5db3ff;transform:translateY(-1px);box-shadow:0 8px 30px #3b9eff40}.btn-secondary{background:var(--surface-2);color:var(--text);border-color:var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.btn-icon{font-size:16px}.section{margin-bottom:80px;opacity:0;animation:fadeUp .6s ease .4s forwards}.section-label{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:3px;color:var(--text-muted);margin-bottom:28px}.arch-diagram{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px;overflow-x:auto}.arch-flow{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;min-width:600px}.arch-node{text-align:center;padding:20px 16px;min-width:120px}.arch-node-box{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:16px 14px;margin-bottom:8px;transition:border-color .3s}.arch-node:hover .arch-node-box{border-color:var(--accent)}.arch-node-name{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--text);margin-bottom:4px}.arch-node-tech{font-family:var(--font-mono);font-size:10px;color:var(--text-dim)}.arch-node-port{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);margin-top:6px}.arch-arrow{font-family:var(--font-mono);font-size:18px;color:var(--border-light);padding:0 4px;flex-shrink:0}.stack-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.stack-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;transition:border-color .3s,transform 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