:root {
            --primary: #007ee5;
            --secondary: #00aab7;
            --dark: #111;
            --light: #f4f4f4;
        }
        * { box-sizing: border-box; }
        body { font-family: Arial, sans-serif; line-height: 1.6; color: var(--dark); margin: 0; }
        header { padding: 20px; background: #fff; border-bottom: 2px solid var(--primary); display: flex; align-items: center; justify-content: space-between; }
        .logo { max-width: 250px; }
        nav { display: flex; gap: 15px; flex-wrap: wrap; }
        nav a { text-decoration: none; color: var(--primary); font-weight: bold; }
        .hero { background: linear-gradient(rgba(0,126,229,0.2), rgba(0,170,183,0.2)), url('/assets/YST-website-pe-sport-premium-hero_0.jpg'); background-size: cover; background-position: center; height: 300px; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; }
        .container { max-width: 1000px; margin: auto; padding: 20px; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 30px; }
        .card { padding: 20px; border: 1px solid #ddd; text-align: center; border-radius: 8px; }
        .btn { display: inline-block; padding: 10px 20px; background: var(--primary); color: #fff; text-decoration: none; border-radius: 5px; margin-top: 10px; }
        footer { padding: 40px; background: var(--dark); color: #fff; text-align: center; }
        @media (max-width: 768px) { header { flex-direction: column; } }