:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #38bdf8;--accent-hover: #0ea5e9;--border-color: #334155;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--accent-color: #0284c7;--accent-hover: #0369a1;--border-color: #e2e8f0}[data-theme=racing]{--bg-primary: #1a0505;--bg-secondary: #2d0a0a;--text-primary: #fff1f1;--text-secondary: #fca5a5;--accent-color: #ef4444;--accent-hover: #dc2626;--border-color: #7f1d1d}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-width:320px;min-height:100vh;transition:background-color .3s ease,color .3s ease}a{font-weight:500;color:var(--accent-color);text-decoration:inherit;transition:color .2s}a:hover{color:var(--accent-hover)}h1,h2,h3,h4,h5,h6{line-height:1.1;color:var(--text-primary)}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--bg-secondary);color:var(--text-primary);cursor:pointer;transition:border-color .25s,background-color .25s}button:hover{border-color:var(--accent-color)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.section{padding:4rem 0}