:root{--bg: #0C0C0C;--surface: #141414;--surface-2: #1C1C1C;--border: #242424;--border-2: #2E2E2E;--text-primary: #F0F0F0;--text-secondary: #888888;--text-muted: #444444;--accent: #D4783D;--accent-dim: rgba(212, 120, 61, .1);--accent-border: rgba(212, 120, 61, .28);--red: #E05252;--red-dim: rgba(224, 82, 82, .12);--radius: 8px;--radius-lg: 12px;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", 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var(--accent-border)}.toast-error{background:var(--red-dim);color:var(--red);border:1px solid rgba(224,82,82,.3)}.footer{border-top:1px solid var(--border);padding:1.5rem 2rem}.footer-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:.75rem;font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono)}.footer-sep{color:var(--border-2)}@media(max-width:900px){.hero{flex-direction:column;min-height:auto;padding:3rem 1.5rem}.hero-content{flex:unset}.hero-diagram{width:100%}.arch-preview{justify-content:center}.arch-card{grid-template-columns:1fr;gap:1rem}.arch-card-shape{align-items:flex-start}.arch-stats{flex-wrap:wrap;gap:1.25rem}.arch-stat-div{display:none}.playground-grid{grid-template-columns:1fr}.scene-panel{height:400px}.section{padding:4rem 1.5rem}}@media(max-width:600px){.nav-links button:not(.nav-cta){display:none}.hero-title{font-size:2rem}.digit-grid{grid-template-columns:repeat(4,1fr)}}