/* 
 * Sanyi Lights RD - Estilos Principales
 * Tienda de Iluminación - República Dominicana
 * Paleta basada en el logo: Sanyi (blanco) + Lights (ámbar/dorado)
 */

/* Variables CSS – colores del logo */
:root {
    /* Logo: "Sanyi" = blanco/crema | "Lights" = ámbar/dorado */
    --logo-sanyi: #fefefe;
    --logo-lights: #e8990c;
    --logo-lights-bright: #f5a623;
    --logo-lights-dark: #c27a08;
    --logo-glow: #ffd54f;
    
    /* Derivados del logo para todo el sitio */
    --primary: var(--logo-lights);
    --primary-dark: var(--logo-lights-dark);
    --primary-light: var(--logo-lights-bright);
    --secondary: #1a1f2a;
    --dark: #0d0f14;
    --darker: #08090c;
    --light: var(--logo-sanyi);
    --gray: #8b92a0;
    --gray-light: #d4d8e0;
    --gray-dark: #2d3340;
    --success: #22c55e;
    --error: #ef4444;
    --warning: var(--logo-lights);
    --info: #3b82f6;
    --gradient-gold: linear-gradient(135deg, var(--logo-lights-dark) 0%, var(--logo-lights) 35%, var(--logo-glow) 65%, var(--logo-lights) 100%);
    --gradient-dark: linear-gradient(135deg, #1a1f2a 0%, #0d0f14 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(232, 153, 12, 0.35), 0 0 80px rgba(255, 213, 79, 0.15);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-light);
}

img {
    max-width: 100%;
    height: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--darker);
    border-bottom: 1px solid var(--gray-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--gradient-gold);
    color: #0d0f14;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top a {
    color: #0d0f14;
}

.header-main {
    padding: 1rem 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 50px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--logo-sanyi);
    letter-spacing: -0.02em;
    text-shadow: 0 0 20px rgba(254, 254, 254, 0.15);
}

.logo-text span {
    color: var(--logo-lights);
    text-shadow: 0 0 24px rgba(232, 153, 12, 0.4);
}

/* Search Bar */
.search-bar {
    flex: 1;
    max-width: 500px;
}

.search-bar form {
    display: flex;
    background: var(--secondary);
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition);
}

.search-bar form:focus-within {
    border-color: var(--primary);
}

.search-bar input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--light);
    font-size: 1rem;
}

.search-bar input::placeholder {
    color: var(--gray);
}

.search-bar button {
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    border: none;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
}

.search-bar button:hover {
    background: var(--primary-dark);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--light);
    font-size: 0.875rem;
}

.header-action i {
    font-size: 1.5rem;
    color: var(--logo-lights);
}

.cart-count {
    background: var(--logo-lights);
    color: #0d0f14;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    margin-left: 0.25rem;
}

/* Navigation */
.nav-main {
    background: var(--secondary);
    border-top: 1px solid var(--gray-dark);
}

.nav-main ul {
    list-style: none;
    display: flex;
    gap: 0;
}

.nav-main li {
    position: relative;
}

.nav-main a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--light);
    font-weight: 500;
    transition: var(--transition);
}

.nav-main a:hover,
.nav-main a.active {
    background: var(--logo-lights);
    color: #0d0f14;
}

/* Dropdown */
.nav-main .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--secondary);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.nav-main li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--gray-dark);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

/* Hero Section */
.hero {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
}

.hero-slide {
    position: relative;
    height: 600px;
    background-size: cover;
    background-position: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 600px;
    padding: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content h1 span {
    color: var(--logo-lights);
    text-shadow: 0 0 30px rgba(232, 153, 12, 0.5);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--gray-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--dark);
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--light);
}

.btn-secondary:hover {
    background: var(--light);
    color: var(--dark);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--dark);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

/* Section Styles */
.section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--logo-lights-dark), var(--logo-lights), var(--logo-glow));
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(232, 153, 12, 0.4);
}

.section-header p {
    color: var(--gray);
    margin-top: 1.5rem;
    font-size: 1.125rem;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.category-card {
    position: relative;
    height: 250px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    z-index: 1;
}

.category-card .category-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
}

.category-card h3 {
    color: var(--light);
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.category-card span {
    color: var(--primary);
    font-size: 0.875rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.product-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: var(--dark);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-sale {
    background: var(--error);
    color: white;
}

.badge-new {
    background: var(--success);
    color: white;
}

.badge-featured {
    background: var(--logo-lights);
    color: #0d0f14;
}

.product-actions {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-actions button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: none;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-actions button:hover {
    background: var(--logo-lights);
}

.product-info {
    padding: 1.5rem;
}

.product-category {
    color: var(--primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-title a {
    color: inherit;
}

.product-title a:hover {
    color: var(--logo-lights);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--logo-lights);
}

.price-old {
    font-size: 1rem;
    color: var(--gray);
    text-decoration: line-through;
}

.price-discount {
    background: var(--error);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: var(--primary);
}

.rating-count {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Features Section */
.features {
    background: var(--gradient-dark);
    padding: 3rem 0;
    border-top: 1px solid var(--gray-dark);
    border-bottom: 1px solid var(--gray-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--logo-lights);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--dark);
}

.feature-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--gray);
    margin: 0;
}

/* Newsletter */
.newsletter {
    background: var(--gradient-gold);
    padding: 4rem 0;
}

.newsletter .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.newsletter-content {
    color: var(--dark);
}

.newsletter-content h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.newsletter-content p {
    margin: 0;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 500px;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem 2rem;
    background: #0d0f14;
    color: var(--logo-sanyi);
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--logo-lights-dark);
    color: var(--logo-sanyi);
}

/* Footer */
.footer {
    background: var(--darker);
    padding-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--gray-dark);
}

.footer-about .logo {
    margin-bottom: 1rem;
}

.footer-about p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--logo-lights);
    color: #0d0f14;
}

.footer-links h4 {
    color: var(--light);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray);
}

.footer-links a:hover {
    color: var(--logo-lights);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--logo-lights);
    margin-top: 0.25rem;
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
    color: var(--gray);
    font-size: 0.875rem;
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.payment-methods img {
    height: 30px;
    opacity: 0.7;
    transition: var(--transition);
}

.payment-methods img:hover {
    opacity: 1;
}

/* Product Detail Page */
.product-detail {
    padding: 3rem 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.main-image {
    width: 100%;
    height: 500px;
    background: var(--secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1rem;
}

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

.thumbnail-images {
    display: flex;
    gap: 0.75rem;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail.active,
.thumbnail:hover {
    border-color: var(--primary);
}

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

.product-detail-info h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.product-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-dark);
}

.product-meta span {
    color: var(--gray);
}

.product-meta strong {
    color: var(--logo-lights);
}

.product-price-detail {
    margin-bottom: 1.5rem;
}

.product-price-detail .price-current {
    font-size: 2.5rem;
    color: var(--logo-lights);
}

.product-description {
    margin-bottom: 2rem;
    color: var(--gray);
    line-height: 1.8;
}

.product-options {
    margin-bottom: 2rem;
}

.option-group {
    margin-bottom: 1.5rem;
}

.option-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--gray-dark);
    border-radius: var(--radius);
    width: fit-content;
}

.quantity-selector button {
    width: 45px;
    height: 45px;
    background: transparent;
    border: none;
    color: var(--light);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

.quantity-selector button:hover {
    background: var(--primary);
    color: var(--dark);
}

.quantity-selector input {
    width: 60px;
    height: 45px;
    text-align: center;
    border: none;
    border-left: 2px solid var(--gray-dark);
    border-right: 2px solid var(--gray-dark);
    background: transparent;
    color: var(--light);
    font-size: 1rem;
    font-weight: 600;
}

.product-actions-detail {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.product-specs {
    background: var(--secondary);
    padding: 1.5rem;
    border-radius: var(--radius);
}

.product-specs h4 {
    margin-bottom: 1rem;
}

.specs-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-dark);
}

.spec-item span:first-child {
    color: var(--gray);
}

/* Cart Page */
.cart-page {
    padding: 3rem 0;
}

.cart-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 2rem;
}

.cart-items {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.cart-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr auto;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--dark);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cart-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr auto;
    gap: 1rem;
    padding: 1.5rem;
    align-items: center;
    border-bottom: 1px solid var(--gray-dark);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-product {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cart-product img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius);
}

.cart-product-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.cart-product-info p {
    color: var(--gray);
    font-size: 0.875rem;
    margin: 0;
}

.cart-quantity {
    display: flex;
    align-items: center;
}

.cart-quantity input {
    width: 60px;
    padding: 0.5rem;
    text-align: center;
    border: 1px solid var(--gray-dark);
    background: var(--dark);
    color: var(--light);
    border-radius: var(--radius);
}

.cart-remove {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.cart-remove:hover {
    color: var(--error);
}

.cart-summary {
    background: var(--secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-dark);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 700;
    padding-top: 1rem;
    border-top: 2px solid var(--gray-dark);
    color: var(--logo-lights);
}

.coupon-form {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.coupon-form input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--gray-dark);
    background: var(--dark);
    color: var(--light);
    border-radius: var(--radius);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group label.required::after {
    content: ' *';
    color: var(--error);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-dark);
    background: var(--dark);
    color: var(--light);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.form-control::placeholder {
    color: var(--gray);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--info);
    color: var(--info);
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--gray);
}

.breadcrumb a:hover {
    color: var(--logo-lights);
}

.breadcrumb span {
    color: var(--gray);
}

.breadcrumb .current {
    color: var(--light);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    padding: 0.75rem 1rem;
    background: var(--secondary);
    color: var(--light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.pagination a:hover,
.pagination .active {
    background: var(--logo-lights);
    color: #0d0f14;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .cart-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-top .container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .header-main .container {
        flex-wrap: wrap;
    }
    
    .search-bar {
        order: 3;
        max-width: 100%;
        width: 100%;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-main ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary);
    }
    
    .nav-main ul.active {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero {
        height: 400px;
    }
    
    .hero-slide {
        height: 400px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .newsletter .container {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }
    
    .cart-header {
        display: none;
    }
    
    .cart-item {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        gap: 1rem;
    }
    
    .header-action span {
        display: none;
    }
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--secondary) 25%, var(--gray-dark) 50%, var(--secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: white;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Light effect glow */
.glow {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 5px var(--logo-lights), 0 0 10px var(--logo-lights), 0 0 15px var(--logo-lights); }
    to { box-shadow: 0 0 10px var(--logo-lights), 0 0 20px var(--logo-lights), 0 0 30px var(--logo-glow); }
}