/* =============================================
   SANGATTAQUA - Premium Beverage Store
   Modern Premium CSS Design
   ============================================= */

:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --secondary: #6c757d;
    --accent: #00b4d8;
    --gold: #c9a84c;
    --dark: #1a1a2e;
    --darker: #0f0f1a;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-500: #adb5bd;
    --gray-700: #495057;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-gold: linear-gradient(135deg, #c9a84c 0%, #f0d78c 50%, #c9a84c 100%);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

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

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

.btn-gold {
    background: var(--gradient-gold);
    color: var(--dark);
    box-shadow: 0 4px 15px rgba(201, 168, 76, 0.4);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.8rem;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--dark);
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
}

.btn-icon:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* Top Bar */
.top-bar {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.82rem;
}

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

.top-bar-left {
    display: flex;
    gap: 20px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.9;
}

.top-bar-right {
    color: var(--gold);
    font-weight: 500;
}


/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

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

.logo img {
    height: 45px;
    width: auto;
}

.logo span {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    border-radius: var(--radius-xl);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray-700);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(102, 126, 234, 0.08);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: var(--white);
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 85vh;
    min-height: 500px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.7) 0%, rgba(22, 33, 62, 0.5) 100%);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    width: 90%;
    max-width: 700px;
}

.slide-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease;
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--white);
    width: 55px;
    height: 55px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
}

.slider-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev { left: 30px; }
.slider-btn.next { right: 30px; }

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.slider-dot.active {
    background: var(--white);
    transform: scale(1.3);
}

/* Features */
.features {
    padding: 60px 0;
    background: var(--white);
    margin-top: -40px;
    position: relative;
    z-index: 5;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--radius-md);
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 16px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.section-header p {
    font-size: 1.05rem;
    color: var(--gray-500);
}

/* Categories */
.categories-section {
    background: var(--gray-100);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.category-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 220px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

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

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

.category-card .category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.category-card h3 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
}


/* Products */
.products-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    background: var(--white);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-700);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

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

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

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    height: 260px;
    overflow: hidden;
    background: var(--gray-100);
}

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

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.product-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
}

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

.product-action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    color: var(--gray-700);
}

.product-action-btn:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.1);
}

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.product-name {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.4;
}

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

.price-current {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.price-original {
    font-size: 0.9rem;
    color: var(--gray-500);
    text-decoration: line-through;
}

.product-footer {
    padding: 0 20px 20px;
    display: flex;
    gap: 10px;
}

.product-footer .btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.8rem;
}

/* About Section */
.about-section {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}

.about-content h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--gray-700);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Contact Section */
.contact-section {
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--gray-700);
    font-size: 0.9rem;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

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

/* Footer */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 16px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-col h4 {
    font-size: 1.05rem;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-col p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--gold);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

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

.newsletter-form {
    display: flex;
    margin-top: 16px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: rgba(255,255,255,0.1);
}

.newsletter-form input {
    flex: 1;
    padding: 12px 18px;
    border: none;
    background: transparent;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.85rem;
}

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

.newsletter-form button {
    padding: 12px 20px;
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    opacity: 0.9;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}


/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

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

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
}

.cart-header h3 {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-cart {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--gray-700);
    padding: 5px;
    transition: var(--transition);
}

.close-cart:hover {
    color: var(--danger);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.cart-empty i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.cart-item {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    animation: fadeIn 0.3s ease;
}

.cart-item-image {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    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: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.cart-item-price {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--gray-300);
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: var(--transition);
}

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

.cart-item-remove {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    font-size: 1rem;
    padding: 5px;
    transition: var(--transition);
    align-self: flex-start;
}

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

.cart-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-100);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-size: 1.1rem;
    font-weight: 700;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

/* Search Modal */
.search-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: 3000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.search-modal.open {
    opacity: 1;
    visibility: visible;
}

.search-modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    position: relative;
    transform: translateY(-20px);
    transition: var(--transition);
}

.search-modal.open .search-modal-content {
    transform: translateY(0);
}

.close-search {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--gray-700);
}

.search-modal-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.search-input-wrapper {
    position: relative;
}

.search-input-wrapper input {
    width: 100%;
    padding: 16px 50px 16px 20px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

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

.search-input-wrapper i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

.search-results {
    margin-top: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.search-result-item:hover {
    background: var(--gray-100);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

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

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .nav { display: none; }
    .nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow-md);
    }
    .mobile-menu-btn { display: block; }
    .hero-slider { height: 60vh; }
    .slide-content h1 { font-size: 2rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .about-grid { grid-template-columns: 1fr; gap: 30px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cart-sidebar { width: 100%; right: -100%; }
    .section-header h2 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .about-stats { flex-direction: column; gap: 20px; }
}