<style>
        :root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.6;
        }
        header {
/*            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 
                        url('https://images.unsplash.com/photo-1513326738677-b964603b136d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80'); */
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
                url('/images/header.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 120px 20px;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3rem;
            margin: 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .subtitle {
            font-size: 1.5rem;
            font-weight: 300;
            margin-top: 10px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .card:hover {
            transform: translateY(-10px);
        }
        .card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-content {
            padding: 20px;
        }
        .card h3 {
            color: var(--primary);
            margin-top: 0;
        }
        .btn {
            display: inline-block;
            background: var(--secondary);
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            text-decoration: none;
            margin-top: 20px;
            transition: background 0.3s;
        }
        .btn:hover {
            background: #2980b9;
        }
        footer {
            background: var(--primary);
            color: white;
            text-align: center;
            padding: 30px 0;
            margin-top: 50px;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            .subtitle { font-size: 1.2rem; }
            .gallery {
                grid-template-columns: 1fr;
            }
        }
    </style>