:root{--bg: #0a0e17;--bg-secondary: #111827;--bg-tertiary: #1a2332;--border: #1e293b;--border-hover: #334155;--text: #e2e8f0;--text-muted: #94a3b8;--text-dim: #64748b;--accent: #60a5fa;--accent-glow: rgba(96, 165, 250, .15);--accent-2: #a78bfa;--accent-3: #34d399;--green: #34d399;--red: #f87171;--yellow: #fbbf24;--font-mono: "JetBrains Mono", "Fira Code", "SF Mono", monospace;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius: 10px;--radius-lg: 16px}*{margin:0;padding:0;box-sizing:border-box}html{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}body{max-width:1140px;margin:0 auto;padding:0 2rem 4rem;min-height:100vh}a{color:var(--accent);text-decoration:none;transition:color .15s}a:hover{color:#93c5fd}h1{font-size:2rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.025em}h2{font-size:1.25rem;font-weight:600;margin:2.5rem 0 1rem;color:var(--text);letter-spacing:-.01em}h3{font-size:1.05rem;font-weight:600;margin:1.5rem 0 .5rem}p{line-height:1.7;color:var(--text-muted);margin-bottom:.75rem}nav{display:flex;align-items:center;gap:1.5rem;padding:1.25rem 0;border-bottom:1px solid var(--border);margin-bottom:2.5rem}nav .logo{font-weight:800;font-size:1.15rem;color:var(--text);letter-spacing:-.02em;display:flex;align-items:center;gap:.5rem}nav .logo:hover{color:var(--accent)}nav .logo svg{width:22px;height:22px}nav a{color:var(--text-dim);font-size:.875rem;font-weight:500;transition:color .15s}nav a:hover{color:var(--text);text-decoration:none}.hero{text-align:center;padding:3.5rem 0 2.5rem;position:relative;overflow:hidden}#dna-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}.hero-content{position:relative;z-index:1}.hero 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var(--border);border-radius:var(--radius-lg);padding:1.5rem;transition:border-color .2s,box-shadow .2s,transform .15s;display:block;color:inherit}.card:hover{border-color:var(--border-hover);box-shadow:0 4px 24px #0000004d;transform:translateY(-2px);text-decoration:none;color:inherit}.card-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}.card-icon svg{width:22px;height:22px}.card-icon.blue{background:#60a5fa1f;color:var(--accent)}.card-icon.purple{background:#a78bfa1f;color:var(--accent-2)}.card-icon.green{background:#34d3991f;color:var(--accent-3)}.card-icon.amber{background:#fbbf241f;color:var(--yellow)}.card h3{margin:0 0 .5rem;font-size:1rem;font-weight:600;color:var(--text)}.card p{font-size:.85rem;margin:0;line-height:1.6}.card .meta{margin-top:.85rem;font-size:.8rem;color:var(--text-dim)}.badge{display:inline-block;padding:.2rem 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0}.nav-links{display:flex;gap:1.5rem;align-items:center}.nav-auth{display:flex;align-items:center;margin-left:auto}.btn-login{display:flex;align-items:center;padding:.4rem .85rem;border:1px solid var(--border);border-radius:8px;font-size:.85rem;font-weight:500;color:var(--text-muted)!important;transition:border-color .15s,color .15s}.btn-login:hover{border-color:var(--border-hover);color:var(--text)!important;text-decoration:none}.user-menu{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:.5rem;background:none;border:1px solid transparent;border-radius:8px;padding:.3rem .6rem .3rem .3rem;cursor:pointer;font-size:.85rem;font-family:inherit;color:var(--text-muted);transition:border-color .15s,color .15s}.user-menu-trigger:hover{border-color:var(--border);color:var(--text)}.user-menu-trigger svg{opacity:.5}.user-dropdown{display:none;position:absolute;top:calc(100% + 6px);right:0;min-width:180px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:.35rem;box-shadow:0 8px 32px #0006;z-index:100}.user-dropdown.open{display:block}.dropdown-item{display:flex;align-items:center;gap:.6rem;width:100%;padding:.5rem .75rem;border:none;border-radius:6px;background:none;color:var(--text-muted);font-size:.85rem;font-family:inherit;cursor:pointer;text-decoration:none;transition:background .1s,color .1s}.dropdown-item:hover{background:var(--bg-tertiary);color:var(--text);text-decoration:none}.dropdown-divider{height:1px;background:var(--border);margin:.3rem .5rem}.logout-btn:hover{color:var(--red)}