/* SELENTA Eyewear - Responsive Breakpoints */

/* ==========================================================================
   1. LAPTOP & SMALL DESKTOP (max-width: 1200px)
   ========================================================================== */
@media (max-width: 1200px) {
    .container {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    .products-grid-4 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
        gap: var(--space-xl);
    }
}

/* ==========================================================================
   2. TABLET (max-width: 992px)
   ========================================================================== */
@media (max-width: 992px) {
    :root {
        --header-height: 72px;
    }

    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-tagline {
        justify-content: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-circle-backdrop {
        width: 360px;
        height: 360px;
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .category-card {
        height: 360px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

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

    .filter-sidebar {
        position: static;
        margin-bottom: var(--space-xl);
    }

    .products-grid-4,
    .products-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-detail-layout {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .detail-gallery-wrap {
        position: static;
    }

    .lens-preview-container {
        min-height: 320px;
        padding: var(--space-lg);
    }

    .cart-layout,
    .checkout-layout,
    .contact-layout,
    .editorial-story-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .order-summary-card {
        position: static;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

/* ==========================================================================
   3. MOBILE LANDSCAPE & PHONES (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --space-4xl: 3.5rem;
        --space-3xl: 2.5rem;
        --space-2xl: 2rem;
    }

    .section {
        padding-top: var(--space-3xl);
        padding-bottom: var(--space-3xl);
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-circle-backdrop {
        width: 280px;
        height: 280px;
    }

    .products-grid-4,
    .products-grid-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .product-card {
        padding: var(--space-xs);
    }

    .product-name {
        font-size: var(--text-sm);
    }

    .product-price {
        font-size: 1rem;
    }

    .lens-options-grid {
        grid-template-columns: 1fr;
    }

    .payment-method-options {
        grid-template-columns: 1fr;
    }

    .cart-table thead {
        display: none;
    }

    .cart-table, 
    .cart-table tbody, 
    .cart-table tr, 
    .cart-table td {
        display: block;
        width: 100%;
    }

    .cart-table tr {
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md) 0;
    }

    .cart-table td {
        padding: 4px 0;
        border: none;
    }

    .cart-item-info {
        margin-bottom: var(--space-xs);
    }

    .modal-content {
        padding: var(--space-lg);
    }
}

/* ==========================================================================
   4. SMALL MOBILE (320px - 480px)
   ========================================================================== */
@media (max-width: 480px) {
    :root {
        --header-height: 64px;
    }

    .brand-logo-text {
        font-size: 1.35rem;
        letter-spacing: 0.12em;
    }

    .action-btn {
        width: 36px;
        height: 36px;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-description {
        font-size: var(--text-sm);
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: var(--text-xs);
    }

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

    .hero-cta-group .btn {
        width: 100%;
    }

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

    .products-grid-4,
    .products-grid-3 {
        grid-template-columns: 1fr;
    }

    .detail-title {
        font-size: 1.75rem;
    }

    .detail-current-price {
        font-size: 1.5rem;
    }

    .detail-specs-grid {
        grid-template-columns: 1fr;
    }

    .detail-cta-row {
        flex-direction: column;
        align-items: stretch;
    }

    .detail-cta-row .qty-selector {
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}