:root{--purple: #7c3aed;--purple-light: #a78bfa;--font: "Inter", sans-serif}[data-theme=dark]{--bg: #0f0f0f;--bg-card: #1a1a1a;--bg-card-hover: #222222;--text: #e8e8e8;--text-sub: #888888;--text-muted: #555555;--border: #2a2a2a;--border-hover: #7c3aed;--nav-bg: rgba(15,15,15,.95);--input-bg: #1a1a1a}[data-theme=light]{--bg: #ffffff;--bg-card: #f5f5f5;--bg-card-hover: #eeeeee;--text: #111111;--text-sub: #555555;--text-muted: #999999;--border: #e0e0e0;--border-hover: #7c3aed;--nav-bg: rgba(255,255,255,.95);--input-bg: #ffffff}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;transition:background .3s,color .3s}body::-webkit-scrollbar{width:5px}body::-webkit-scrollbar-track{background:var(--bg)}body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}a{color:inherit;text-decoration:none}.page-section{max-width:1100px;margin:0 auto;padding:5rem 1.5rem}.section-divider{max-width:860px;margin:0 auto;height:1px;background:var(--border)}.section-title{font-size:1.1rem;font-weight:600;color:var(--purple);text-transform:uppercase;letter-spacing:.08em;margin-bottom:2rem}