body[data-theme="dark"] {
    --text-color: #f4f4f9;
    --bg-color: #1a1a2e;
    --card-bg: rgba(43, 45, 66, 0.7); /* Darker glass effect */
    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.4);
}

body[data-theme="dark"] .navbar {
    background: rgba(26, 26, 46, 0.95);
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

body[data-theme="dark"] .navbar .logo {
    color: #f4f4f9;
}

body[data-theme="dark"] .nav-links li a, body[data-theme="dark"] .nav-icon {
    color: #f4f4f9;
}

body[data-theme="dark"] .nav-links.active {
    background: rgba(26, 26, 46, 0.98);
}

body[data-theme="dark"] .stat-card, body[data-theme="dark"] .product-card, 
body[data-theme="dark"] .industry-icon-card, body[data-theme="dark"] .contact-form {
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body[data-theme="dark"] .contact-form input, body[data-theme="dark"] .contact-form textarea {
    background: rgba(43, 45, 66, 0.9);
    color: var(--text-color);
    border: 1px solid #444;
}

body[data-theme="dark"] .contact-info a {
    color: var(--text-color);
}