:root{--primary-color:#e31837;--primary-hover:#b8132c;--secondary-color:#2c3e50;--text-color:#333;--text-muted:#777;--background-color:#f8f9fa;--card-background:#fff;--border-color:#ddd;--shadow:0 4px 6px #0000001a;--radius:8px;--transition:all .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background-color);color:var(--text-color);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}ul{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}button{cursor:pointer;border-radius:var(--radius);transition:var(--transition);border:none;font-weight:600}.btn-primary{background-color:var(--primary-color);color:#fff;padding:10px 20px}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border:1px solid var(--primary-color);color:var(--primary-color);background-color:#0000;padding:10px 20px}.btn-outline:hover{background-color:var(--primary-color);color:#fff}