/* =====================================================
   KING ICE GOLD - Estilos Responsive
   ===================================================== */

/* ==================== TABLET (max-width: 1024px) ==================== */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.875rem;
    }

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

    .nav-main {
        display: none;
    }

    .nav-categories ul {
        gap: var(--spacing-md);
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0 var(--spacing-md);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .nav-categories ul::-webkit-scrollbar {
        display: none;
    }

    .nav-categories a {
        white-space: nowrap;
    }

    .hero {
        height: 60vh;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }

    .product-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .checkout-layout {
        grid-template-columns: 1fr;
    }

    .order-summary {
        position: static;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== MÓVIL (max-width: 768px) ==================== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    /* Header móvil */
    .top-bar-content {
        justify-content: center;
        text-align: center;
    }

    .top-bar-links {
        display: none;
    }

    .header-content {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .logo {
        font-size: 1.25rem;
        order: 2;
        flex: 1;
        text-align: center;
    }

    .menu-toggle {
        order: 1;
        display: flex;
    }

    .header-icons {
        order: 3;
    }

    /* Hero móvil */
    .hero {
        height: 50vh;
        min-height: 400px;
    }

    .hero-title {
        font-size: 1.75rem;
        letter-spacing: 0.15em;
    }

    /* Productos */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .product-card-body {
        padding: var(--spacing-md);
    }

    .product-card-title {
        font-size: 0.8rem;
    }

    /* Página de producto */
    .product-thumbnails {
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }

    .product-thumbnail {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
    }

    /* Carrito */
    .cart-table {
        display: block;
    }

    .cart-table thead {
        display: none;
    }

    .cart-table tbody {
        display: block;
    }

    .cart-table tr {
        display: flex;
        flex-wrap: wrap;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid #eee;
    }

    .cart-table td {
        border: none;
        padding: var(--spacing-xs);
    }

    .cart-table td:first-child {
        width: 80px;
    }

    .cart-table td:nth-child(2) {
        flex: 1;
    }

    /* Checkout */
    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-section {
        margin-bottom: var(--spacing-xl);
    }

    /* WhatsApp */
    .whatsapp-btn {
        bottom: 20px;
        left: 20px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-btn svg {
        width: 28px;
        height: 28px;
    }

    /* Grids */
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ==================== MÓVIL PEQUEÑO (max-width: 480px) ==================== */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
    }

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

    .hero-title {
        font-size: 1.5rem;
    }

    .nav-categories ul {
        gap: var(--spacing-sm);
    }

    .nav-categories a {
        font-size: 0.7rem;
    }
}

/* ==================== HAMBURGER MENU ==================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-bg-dark);
    transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    padding: var(--spacing-3xl) var(--spacing-xl);
}

.mobile-menu.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--color-text-light);
    font-size: 2rem;
    cursor: pointer;
}

.mobile-menu nav {
    text-align: center;
}

.mobile-menu nav a {
    display: block;
    font-size: 1.25rem;
    color: var(--color-text-light);
    padding: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.mobile-menu nav a:hover {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
}