/**
 * KLAMAN COSMETIK - Styles principaux
 * Design premium avec couleurs OR (#FFD700) et VIOLET (#6A0DAD)
 */

/* ================================
   VARIABLES
================================ */
:root {
    --color-primary: #6A0DAD;
    --color-primary-light: #8E24AA;
    --color-primary-dark: #4A0080;
    --color-secondary: #FFD700;
    --color-secondary-light: #FFE44D;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    --color-dark: #212529;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    --color-gray: #6c757d;
    --color-gray-light: #e9ecef;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* ================================
   RESET & BASE
================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--color-light);
    color: var(--color-dark);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ================================
   HEADER
================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
}

.logo-text {
    font-family: 'Playfair Display', serif;
}

/* Navigation principale */
.main-nav {
    display: none;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--color-dark);
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
    background: rgba(106, 13, 173, 0.1);
}

.nav-link i {
    font-size: 1.1rem;
}

/* Actions header */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.action-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--color-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-dark);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.action-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.cart-btn .cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: var(--color-secondary);
    color: var(--color-primary-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Search bar */
.search-bar {
    display: none;
    padding: 0 20px 15px;
    background: var(--color-white);
}

.search-bar.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.search-btn {
    padding: 12px 20px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 350px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    padding: 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-menu {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-list {
    padding: 20px;
}

.mobile-nav-list li {
    margin-bottom: 5px;
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav-list a:hover {
    background: rgba(106, 13, 173, 0.1);
    color: var(--color-primary);
}

.mobile-nav-list a.logout {
    color: var(--color-danger);
}

.mobile-nav-list a.logout:hover {
    background: rgba(220, 53, 69, 0.1);
}

/* Overlay */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.overlay.active {
    display: block;
}

/* ================================
   MAIN CONTENT
================================ */
.main-content {
    padding-top: 70px;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================
   HERO SECTION
================================ */
.hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #faf5ff 0%, #f3e5f5 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="80" cy="20" r="30" fill="%236A0DAD" opacity="0.1"/><circle cx="20" cy="80" r="40" fill="%23FFD700" opacity="0.1"/></svg>');
    background-size: cover;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-secondary);
    color: var(--color-primary-dark);
    padding: 8px 16px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-dark);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-gray);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(106, 13, 173, 0.3);
}

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

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

.btn-white {
    background: white;
    color: var(--color-primary);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* ================================
   SECTIONS
================================ */
section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--color-gray);
    font-size: 1.1rem;
}

.see-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 500;
    margin-top: 15px;
}

/* Promo banner */
.promo-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 20px;
}

.promo-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.promo-icon {
    width: 50px;
    height: 50px;
    background: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    font-size: 1.3rem;
}

.promo-text {
    text-align: center;
}

.promo-text code {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    border-radius: 4px;
    font-family: monospace;
}

/* ================================
   CATEGORIES
================================ */
.categories-section {
    background: var(--color-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.category-card {
    background: linear-gradient(135deg, #faf5ff, #f3e5f5);
    padding: 25px 20px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    animation: fadeInUp 0.5s ease both;
}

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

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.category-name {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 5px;
}

.category-count {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ================================
   PRODUCTS GRID
================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.product-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-light);
    overflow: hidden;
}

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

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

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-badge.nouveau {
    background: var(--color-primary);
    color: white;
}

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

.favorite-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.favorite-btn:hover, .favorite-btn.active {
    background: var(--color-danger);
    color: white;
}

.product-info {
    padding: 15px;
}

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

.product-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 5px 0;
    line-height: 1.3;
}

.product-title a {
    color: var(--color-dark);
}

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

.product-price {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.price-old {
    text-decoration: line-through;
    color: var(--color-gray);
    font-size: 0.85rem;
}

.price-current {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.product-stock {
    margin-bottom: 10px;
}

.stock {
    font-size: 0.8rem;
}

.stock.in-stock {
    color: var(--color-success);
}

.stock.out-of-stock {
    color: var(--color-danger);
}

.add-to-cart-btn {
    width: 100%;
    padding: 10px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.add-to-cart-btn:hover {
    background: var(--color-primary-dark);
}

/* ================================
   FEATURES
================================ */
.features-section {
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--color-light);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ================================
   TESTIMONIALS
================================ */
.testimonials-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
}

.testimonial-card {
    min-width: 300px;
    background: var(--color-white);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    scroll-snap-align: start;
}

.testimonial-stars {
    color: var(--color-secondary);
    margin-bottom: 15px;
}

.testimonial-text {
    font-style: italic;
    color: var(--color-gray);
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.author-info strong {
    display: block;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ================================
   CTA SECTION
================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-content p {
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ================================
   FOOTER
================================ */
.main-footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    padding: 70px 0 0;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
}

.main-footer::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 125, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding: 0 40px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.footer-col {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.footer-col:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.footer-col h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    font-size: 1.3rem;
}

.footer-title {
    font-family: 'Playfair Display', serif;
    color: var(--color-secondary);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 25px;
    line-height: 1.7;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.1rem;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--color-secondary), #c9a227);
    color: var(--color-primary-dark);
    transform: translateY(-3px) rotate(5deg);
    box-shadow: 0 10px 25px rgba(212, 175, 125, 0.4);
}

.footer-subtitle {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--color-secondary);
    font-weight: 600;
    position: relative;
    padding-bottom: 15px;
}

.footer-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-secondary), transparent);
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
    color: var(--color-secondary);
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: 10px;
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
    padding: 10px;
    border-radius: 8px;
    transition: var(--transition);
}

.footer-contact li:hover {
    background: rgba(255, 255, 255, 0.05);
}

.footer-contact i {
    color: var(--color-secondary);
    margin-top: 4px;
    font-size: 1.1rem;
    min-width: 20px;
}

/* Newsletter */
.newsletter-section {
    background: linear-gradient(135deg, rgba(212, 175, 125, 0.15) 0%, rgba(15, 52, 96, 0.3) 100%);
    padding: 50px 40px;
    margin-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.newsletter-content h4 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.newsletter-content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form {
    display: flex;
    gap: 15px;
}

.newsletter-form input {
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    width: 300px;
    background: rgba(255, 255, 255, 0.05);
    color: white;
    transition: var(--transition);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.1);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    padding: 16px 30px;
    background: linear-gradient(135deg, var(--color-secondary), #c9a227);
    color: var(--color-primary-dark);
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 125, 0.4);
}

/* Footer bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 40px;
    margin-top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    background: rgba(0, 0, 0, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-payments {
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-payments i {
    font-size: 1.5rem;
    transition: var(--transition);
}

.footer-payments i:hover {
    color: var(--color-secondary);
    transform: scale(1.1);
}

/* ================================
   BACK TO TOP
================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ================================
   RESPONSIVE
================================ */
@media (min-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .main-nav {
        display: block;
    }
    
    .menu-toggle {
        display: none;
    }
}

@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

/* ================================
   ANIMATIONS
================================ */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Utility classes */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-gray); }
.mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: 20px; }