/* ===========================
   Responsive Styles
   =========================== */

/* Tablet and below (768px) */
@media (max-width: 768px) {

    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-link::after {
        display: none;
    }

    .btn-whatsapp {
        width: 100%;
        text-align: center;
    }

    /* Typography */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    /* Hero */
    .hero {
        height: 80vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-image img {
        height: 300px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .lightbox-prev,
    .lightbox-next {
        font-size: 1.5rem;
        padding: 0.5rem;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        align-items: center;
    }

    .footer .social-links {
        justify-content: center;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 2rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .service-image img {
        height: 250px;
    }
}