:root{--obsidian:#0a0a09;--charcoal:#171714;--bone:#f1eee7;--stone:#d8d3c8;--oxide:#7a3e36;--bg:var(--obsidian);--surface:var(--charcoal);--text:var(--bone);--text-soft:#bdb8ad;--muted:#8a867d;--line:#2a2925;--strong-line:var(--bone);--node-bg:var(--charcoal);--display:"Sora", "Inter", system-ui, sans-serif;--sans:"Inter", system-ui, -apple-system, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--max:1280px;--gutter:clamp(16px, 4vw, 48px);--section:clamp(80px, 11vw, 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