body.theme-light{--color-background: #ffffff;--color-surface: #ffffff;--color-text: #000000;--color-text-muted: #333333;--color-accent: #000000;--color-border: #000000}body.theme-dark{--color-background: #000000;--color-surface: #000000;--color-text: #ffff00;--color-text-muted: #d7d700;--color-accent: #ffff00;--color-border: #ffff00}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{background-color:var(--color-background);color:var(--color-text)}a{color:inherit}body{font-family:Space Grotesk,Segoe UI,sans-serif;font-size:16px;line-height:1.45}h1{margin:0 0 1rem;line-height:1.15;font-size:2rem}p{margin:0;max-width:72ch}:root{--header-height: 4rem;--footer-height: 2.4rem}body{min-height:100vh}.feature-page{display:grid;align-content:start;gap:1rem}