:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg-dark: #0f172a;--bg-card: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.5}a{text-decoration:none;color:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{padding:.5rem 1rem;border-radius:.5rem;font-weight:600;cursor:pointer;border:none;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.card{background-color:var(--bg-card);border-radius:1rem;padding:1.5rem;border:1px solid rgba(255,255,255,.1);transition:transform .2s}.card:hover{transform:translateY(-4px)}