*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--brand:#4f46e5;--brand-light:#818cf8;--brand-dark:#3730a3;--accent:#06b6d4;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-400:#9ca3af;--gray-600:#4b5563;--gray-800:#1f2937;--gray-900:#111827;--white:#ffffff;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 16px rgba(0,0,0,.10);--shadow-lg:0 10px 40px rgba(0,0,0,.14);--shadow-brand:0 8px 32px rgba(79,70,229,.35);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:16px;color:var(--gray-800);scroll-behavior:smooth}body{background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--brand-light);border-radius:var(--radius-full)}