:root{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--primary-color: #2563eb;--primary-hover: #1d4ed8;--border-color: #e2e8f0;--max-width: 1200px;--header-height: 4rem;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--primary-color: #3b82f6;--primary-hover: #60a5fa;--border-color: #334155}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color .3s,color .3s}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}ul{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 2rem}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.bg-secondary{background-color:var(--bg-secondary)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-4{gap:1rem}.gap-8{gap:2rem}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,1fr)}@media(min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}.md\:grid-cols-3{grid-template-columns:repeat(3,1fr)}}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;transition:all .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border:1px solid var(--border-color);color:var(--text-secondary)}.btn-outline:hover{border-color:var(--text-primary);color:var(--text-primary)}section{padding:4rem 0}h1,h2,h3,h4,h5,h6{line-height:1.2}h1{font-size:3rem;font-weight:800}h2{font-size:2.25rem;font-weight:700;margin-bottom:2rem}h3{font-size:1.5rem;font-weight:600}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}