/* Universal */
body { margin: 0; font-family: Arial, sans-serif; background: #f5f5f5; }

/* Header */
header { display: flex; align-items: center; justify-content: space-between; 
    background: #000a1f; padding: 10px 30px; }
.logo { width: 90px; }

/* Navbar */
nav a {
    color: white; margin: 0 12px; text-decoration: none;
    font-size: 15px; text-transform: uppercase; font-weight: bold;
}
nav a:hover, .active { color: #00d9ff; }

/* Page Header */
.page-header { text-align: center; padding: 40px 10px; }
.page-header h1 { font-size: 32px; color: #000a1f; margin-bottom: 10px; }
.page-header p { font-size: 16px; color: gray; }

/* Product Layout */
.product-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    padding: 40px;
}

/* Product Card */
.product-card {
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 0 12px rgba(0,0,0,0.2);
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.product-card:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0,0,0,0.4);
}
.product-card img { width: 100%; border-radius: 10px; }

/* Buttons */
.btn {
    display: inline-block;
    background: #008000;
    padding: 8px 18px;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    margin-top: 10px;
    font-weight: bold;
}
.btn:hover { background: #005d00; }

/* Footer */
footer {
    background: #000a1f;
    color: white;
    text-align: center;
    padding: 20px 10px;
    margin-top: 30px;
    font-size: 14px;
}