:root {
            --primary-blue: #0074ad;
            --dark-gray: #222222;
            --light-gray: #f4f4f4;
            --text-color: #333;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            margin: 0;
            line-height: 1.6;
            color: var(--text-color);
        }

        header {
            background: #fff;
            padding: 20px 0;
            border-bottom: 2px solid var(--primary-blue);
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo img {
            max-width: 250px;
            height: auto;
        }

        nav ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            background: var(--dark-gray);
            padding: 10px 20px;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            font-size: 0.9rem;
            text-transform: uppercase;
        }

        .hero {
            width: 100%;
            height: 400px;
            background-image: url('/assets/MİOBANNERRv2.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            padding: 40px 20px;
        }

        .card {
            border: 1px solid #ddd;
            padding: 15px;
            border-radius: 8px;
            transition: box-shadow 0.3s;
        }

        .card:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 4px;
        }

        footer {
            background: var(--dark-gray);
            color: #fff;
            text-align: center;
            padding: 20px;
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            nav ul { flex-direction: column; }
            .hero { height: 200px; }
        }