/* =============================================
   LOJAS KALLZA - ESTILOS PRINCIPAIS
   ============================================= */

:root {
    --primary: #C8B8A8;
    --secondary: #8B7355;
    --accent: #D4AF37;
    --dark: #2C2416;
    --light: #F5F1ED;
    --white: #FFFFFF;
    --success: #27ae60;
    --danger: #e74c3c;
    --shadow: rgba(44, 36, 22, 0.1);
    --shadow-lg: rgba(44, 36, 22, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================= 
   HEADER
   ============================================= */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
    white-space: nowrap;
}

.logo i {
    font-size: 28px;
    color: var(--accent);
}

.search-bar {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-bar i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary);
    opacity: 0.6;
}

.search-bar input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid var(--light);
    border-radius: 50px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--light);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.header-btn.instagram {
    background: linear-gradient(135deg, #E1306C, #C13584);
    color: var(--white);
}

.header-btn.instagram:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(225, 48, 108, 0.4);
}

.header-btn.cart-btn {
    background: var(--secondary);
    color: var(--white);
    position: relative;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent);
    color: var(--dark);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

.header-btn.cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(139, 115, 85, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--secondary);
    cursor: pointer;
}

/* ============================================= 
   PROMO BANNER
   ============================================= */

.promo-banner {
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    color: var(--white);
    text-align: center;
    padding: 12px 0;
    margin-top: 70px;
}

.promo-banner i {
    margin-right: 8px;
}

/* ============================================= 
   MAIN CONTENT
   ============================================= */

.main-content {
    padding: 40px 0 80px;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
    position: relative;
}

/* ============================================= 
   FILTER TOGGLE BUTTON
   ============================================= */

.filter-toggle-btn {
    position: sticky;
    top: 120px;
    grid-column: 1;
    background: linear-gradient(135deg, var(--secondary), var(--dark));
    color: var(--white);
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 5px 20px var(--shadow-lg);
    transition: all 0.3s ease;
    z-index: 100;
}

.filter-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 115, 85, 0.4);
}

.filter-toggle-btn i {
    font-size: 18px;
}

/* ============================================= 
   SIDEBAR FILTERS
   ============================================= */

.sidebar {
    position: fixed;
    top: 120px;
    left: -300px;
    width: 280px;
    height: calc(100vh - 140px);
    background: var(--white);
    border: 1px solid var(--light);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 25px var(--shadow);
    overflow-y: auto;
    transition: left 0.4s ease;
    z-index: 999;
}

.sidebar.active {
    left: 20px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light);
}

.sidebar-header h3 {
    font-size: 20px;
    color: var(--dark);
}

.sidebar-header i {
    color: var(--accent);
    margin-right: 8px;
}

.sidebar-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.clear-filters {
    background: none;
    border: none;
    color: var(--secondary);
    font-size: 13px;
    cursor: pointer;
    text-decoration: underline;
    transition: all 0.3s ease;
}

.clear-filters:hover {
    color: var(--accent);
}

.close-filters {
    display: none;
    background: var(--danger);
    border: none;
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.close-filters:hover {
    transform: rotate(90deg);
}

.filter-group {
    margin-bottom: 25px;
}

.filter-group h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--secondary);
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.filter-option:hover {
    background: var(--light);
}

.filter-option input[type="radio"] {
    cursor: pointer;
}

.filter-option span {
    font-size: 14px;
}

.filter-sizes {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.size-btn {
    padding: 10px;
    border: 2px solid var(--light);
    border-radius: 8px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.size-btn:hover {
    border-color: var(--primary);
    background: var(--light);
}

.size-btn.active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--white);
}

/* Filters Overlay (Mobile) */
.filters-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.filters-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================= 
   PRODUCTS SECTION
   ============================================= */

.products-section {
    grid-column: 2;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.section-title {
    font-size: 32px;
    color: var(--dark);
}

.products-info {
    font-size: 14px;
    color: var(--secondary);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--light);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-lg);
    border-color: var(--primary);
}

.product-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.badge {
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.discount {
    background: var(--danger);
    color: var(--white);
}

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 12px;
    color: var(--secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.3;
    min-height: 48px;
}

.product-prices {
    margin-bottom: 15px;
}

.price-original {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
    margin-bottom: 5px;
}

.price-current {
    font-size: 26px;
    font-weight: 700;
    color: var(--success);
}

.product-actions {
    display: flex;
    gap: 10px;
}

.btn-details {
    flex: 1;
    padding: 12px;
    background: linear-gradient(135deg, var(--secondary), var(--dark));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-details:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(139, 115, 85, 0.4);
}

/* Loading */
.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--secondary);
}

.loading i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--accent);
}

/* ============================================= 
   CART SIDEBAR
   ============================================= */

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 100%;
    max-width: 450px;
    height: 100vh;
    background: var(--white);
    box-shadow: -5px 0 30px var(--shadow-lg);
    z-index: 2000;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    border-bottom: 2px solid var(--light);
}

.cart-header h3 {
    font-size: 22px;
    color: var(--dark);
}

.cart-header i {
    margin-right: 10px;
    color: var(--accent);
}

.close-cart {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-cart:hover {
    color: var(--danger);
    transform: rotate(90deg);
}

.cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 25px;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--secondary);
}

.cart-empty i {
    font-size: 64px;
    color: var(--light);
    margin-bottom: 20px;
}

.cart-empty p {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.cart-empty span {
    font-size: 14px;
    opacity: 0.7;
}

.cart-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--light);
    border-radius: 12px;
    margin-bottom: 15px;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.cart-item-details {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--secondary);
}

.cart-item-detail {
    display: flex;
    align-items: center;
    gap: 5px;
}

.cart-item-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--success);
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
}

.cart-item-remove:hover {
    transform: scale(1.2);
}

.cart-footer {
    padding: 25px;
    border-top: 2px solid var(--light);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 18px;
}

.cart-total strong {
    font-size: 24px;
    color: var(--success);
}

.btn-checkout {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-checkout:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn-checkout i {
    font-size: 20px;
}

/* ============================================= 
   PRODUCT MODAL
   ============================================= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    background: var(--white);
    border-radius: 20px;
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--light);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    color: var(--secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: var(--danger);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* Gallery */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.gallery-main {
    width: 100%;
    height: 400px;
    border-radius: 15px;
    overflow: hidden;
    background: var(--light);
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
}

.gallery-thumb {
    width: 100%;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
}

.gallery-thumb:hover {
    border-color: var(--primary);
}

.gallery-thumb.active {
    border-color: var(--accent);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Product Details */
.product-detail-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-category {
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.detail-title {
    font-size: 32px;
    color: var(--dark);
    line-height: 1.2;
}

.detail-brand {
    font-size: 16px;
    color: var(--secondary);
    font-weight: 500;
}

.detail-prices {
    padding: 20px 0;
    border-top: 2px solid var(--light);
    border-bottom: 2px solid var(--light);
}

.detail-price-original {
    font-size: 18px;
    color: #999;
    text-decoration: line-through;
    margin-bottom: 8px;
}

.detail-price-current {
    font-size: 36px;
    font-weight: 700;
    color: var(--success);
    margin-bottom: 10px;
}

.detail-discount {
    display: inline-block;
    padding: 8px 16px;
    background: var(--danger);
    color: var(--white);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
}

.detail-frete {
    margin-top: 15px;
    padding: 12px;
    background: linear-gradient(135deg, var(--success), #27ae60);
    color: var(--white);
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
}

.detail-frete i {
    margin-right: 8px;
}

.detail-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--secondary);
}

/* Color Selector */
.color-selector {
    padding: 15px 0;
}

.color-selector h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--dark);
}

.color-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.color-option {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.color-option:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

.color-option.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.2);
}

.color-option::after {
    content: attr(data-name);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.color-option:hover::after {
    opacity: 1;
}

/* Size Selector */
.size-selector {
    padding: 15px 0;
}

.size-selector h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--dark);
}

.size-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 10px;
}

.size-option {
    padding: 12px;
    border: 2px solid var(--light);
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.size-option:hover {
    border-color: var(--primary);
    background: var(--light);
}

.size-option.active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--white);
}

.size-option.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Add to Cart Button */
.btn-add-to-cart {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--secondary), var(--dark));
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-add-to-cart:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 115, 85, 0.4);
}

.btn-add-to-cart:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================= 
   WHATSAPP FLOAT
   ============================================= */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 40px rgba(37, 211, 102, 0.6);
    }
}

/* ============================================= 
   FOOTER
   ============================================= */

.footer {
    background: var(--dark);
    color: var(--light);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-logo {
    font-size: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section p {
    margin-bottom: 20px;
    line-height: 1.8;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent);
    transform: translateX(5px);
}

.footer-section ul li i {
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ============================================= 
   RESPONSIVE
   ============================================= */

@media (max-width: 1024px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .filter-toggle-btn {
        grid-column: 1;
        position: relative;
        top: 0;
        margin-bottom: 20px;
    }
    
    .products-section {
        grid-column: 1;
    }
    
    .sidebar {
        top: 0;
        height: 100vh;
        padding-top: 80px;
    }
    
    .close-filters {
        display: block;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .logo {
        order: 1;
        font-size: 20px;
    }
    
    .mobile-menu-btn {
        display: block;
        order: 2;
    }
    
    .search-bar {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: 10px;
    }
    
    .header-actions {
        order: 4;
        margin-top: 10px;
    }
    
    .header-btn span:not(.cart-count) {
        display: none;
    }
    
    .promo-banner {
        font-size: 14px;
        padding: 10px;
    }
    
    /* Grid mobile: 2-3 produtos por linha */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .product-card {
        border-radius: 12px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-name {
        font-size: 15px;
        min-height: auto;
    }
    
    .price-current {
        font-size: 20px;
    }
    
    .sidebar {
        width: 90%;
        max-width: 320px;
    }
    
    .filter-sizes {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cart-sidebar {
        max-width: 100%;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .detail-title {
        font-size: 24px;
    }
    
    .detail-price-current {
        font-size: 28px;
    }
    
    .gallery-main {
        height: 300px;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 28px;
        bottom: 20px;
        right: 20px;
    }
}

@media (min-width: 600px) and (max-width: 768px) {
    /* Tablets: 3 produtos por linha */
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 24px;
    }
    
    /* Mobile pequeno: 2 produtos por linha */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .product-image {
        height: 180px;
    }
}