@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #8b5cf6;          /* Royal Violet */
    --primary-hover: #7c3aed;
    --primary-light: #f5f3ff;
    --secondary: #ec4899;        /* Vibrant Pink / Rose */
    --secondary-hover: #db2777;
    --secondary-light: #fdf2f8;
    --dark: #0f172a;             /* Midnight Navy */
    --dark-light: #1e293b;
    --light: #f8fafc;
    --bg-body: #f3f4f6;          /* Premium light grey backdrop */
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --white: #ffffff;
    --danger: #ef4444;
    --success: #10b981;
    --border-color: #e5e7eb;
    
    /* Dynamic Gradients */
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-primary-hover: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
    --gradient-hero: linear-gradient(135deg, #e0e7ff 0%, #fae8ff 100%);
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    
    /* Elegant Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 12px 20px -3px rgba(139, 92, 246, 0.08), 0 4px 10px -2px rgba(139, 92, 246, 0.04);
    --shadow-lg: 0 20px 40px -5px rgba(15, 23, 42, 0.1), 0 10px 20px -5px rgba(15, 23, 42, 0.05);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Custom Themed Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
    border: 2px solid var(--bg-body);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

html {
    scroll-behavior: smooth;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
    padding: 14px 18px;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    outline: none;
    width: 100%;
    background-color: var(--white);
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    gap: 10px;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.25);
}

.btn-primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(139, 92, 246, 0.35);
}

.btn-secondary {
    background-color: var(--dark);
    color: var(--white);
    box-shadow: 0 6px 15px rgba(15, 23, 42, 0.15);
}

.btn-secondary:hover {
    background-color: var(--dark-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.25);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.2);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 10px 22px;
    font-size: 0.85rem;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--success);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.12);
    color: var(--danger);
}

/* Layout & Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header / Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.75px;
}

.logo i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-weight: 700;
    color: var(--dark-light);
    font-size: 1rem;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 5px;
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-link:hover, .nav-link.active {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.cart-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    padding: 10px;
    color: var(--dark);
    transition: var(--transition);
}

.cart-icon-btn:hover {
    color: var(--primary);
    transform: scale(1.15);
}

.cart-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
    animation: pulse 2.5s infinite;
}

/* Hero Section */
.hero {
    padding: 140px 0 120px 0;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: var(--bg-body);
    clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -1.5px;
}

.hero-content h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 580px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.hero-image img {
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 8px solid var(--white);
}

.hero-image img:hover {
    transform: scale(1.03);
}

/* Categories Section */
.section {
    padding: 100px 0;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.75rem;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
    letter-spacing: -1px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

.section-title p {
    color: var(--text-muted);
    margin-top: 16px;
    font-size: 1.15rem;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    background-color: var(--white);
    border: 1.5px solid var(--border-color);
    padding: 12px 28px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    color: var(--dark-light);
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.tab-btn:hover, .tab-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.25);
    transform: translateY(-2px);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 36px;
}

.product-card {
    background-color: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(229, 231, 235, 0.8);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(139, 92, 246, 0.2);
}

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

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

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

.product-badge-soldout {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(239, 68, 68, 0.9);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.25);
}

.product-info {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-cat {
    font-size: 0.8rem;
    color: var(--secondary);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.product-title {
    font-size: 1.3rem;
    margin-bottom: 14px;
    font-weight: 800;
    color: var(--dark);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 18px;
    border-top: 1.5px solid #f3f4f6;
}

.product-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
}

.product-stock {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.product-stock span {
    font-weight: 800;
    color: var(--dark);
}

.product-actions {
    margin-top: 18px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Detail Page */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    margin-top: 30px;
}

.detail-img-box {
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    background-color: var(--white);
}

.detail-img-box img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    transition: var(--transition);
}

.detail-img-box img:hover {
    transform: scale(1.02);
}

.detail-info h1 {
    font-size: 2.75rem;
    margin-bottom: 18px;
    letter-spacing: -1px;
}

.detail-meta {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1.5px solid var(--border-color);
    align-items: center;
}

.detail-price {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary);
}

.detail-desc {
    margin-bottom: 36px;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.quantity-control {
    display: inline-flex;
    align-items: center;
    border: 1.5px solid var(--border-color);
    border-radius: 50px;
    background-color: var(--white);
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.quantity-btn {
    background: none;
    border: none;
    width: 54px;
    height: 54px;
    cursor: pointer;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    transition: var(--transition);
}

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

.quantity-input {
    width: 60px;
    border: none;
    text-align: center;
    padding: 0;
    font-weight: 800;
    font-size: 1.15rem;
    pointer-events: none;
}

.detail-actions {
    display: flex;
    gap: 20px;
}

/* Cart Sidebar / Drawer */
.cart-drawer {
    position: fixed;
    top: 0;
    right: -450px;
    width: 440px;
    height: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    transition: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

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

.cart-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(6px);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.cart-header {
    padding: 28px 30px;
    border-bottom: 1.5px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.8rem;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.cart-body {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cart-empty {
    text-align: center;
    color: var(--text-muted);
    margin: auto 0;
}

.cart-empty-icon {
    font-size: 4.5rem;
    color: #e5e7eb;
    margin-bottom: 20px;
}

.cart-item {
    display: flex;
    gap: 18px;
    align-items: center;
    border-bottom: 1.5px solid #f3f4f6;
    padding-bottom: 18px;
}

.cart-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.cart-item-img {
    width: 80px;
    height: 80px;
    border-radius: 14px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.cart-item-details {
    flex-grow: 1;
}

.cart-item-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--dark);
    margin-bottom: 6px;
}

.cart-item-price {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.cart-item-remove {
    color: var(--danger);
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    transition: var(--transition);
    opacity: 0.7;
}

.cart-item-remove:hover {
    opacity: 1;
    transform: scale(1.2);
}

.cart-footer {
    padding: 30px;
    border-top: 1.5px solid var(--border-color);
    background-color: var(--light);
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
}

/* Checkout Page */
.checkout-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 40px;
    margin-top: 30px;
}

.card {
    background-color: var(--white);
    border-radius: 24px;
    padding: 36px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(229, 231, 235, 0.8);
    margin-bottom: 30px;
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 26px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 16px;
    font-weight: 800;
}

.card-title i {
    color: var(--primary);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.checkout-summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
    font-size: 1rem;
}

.checkout-summary-total {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1.5px solid var(--border-color);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
}

/* Success Invoice Page */
.success-card {
    text-align: center;
    max-width: 650px;
    margin: 60px auto;
}

.success-icon {
    font-size: 5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 10px rgba(139, 92, 246, 0.2));
}

.invoice-box {
    text-align: left;
    background-color: var(--primary-light);
    border: 2px dashed rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    padding: 30px;
    margin: 30px 0;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1.5px solid rgba(139, 92, 246, 0.15);
    padding-bottom: 16px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.invoice-item-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 1rem;
}

.invoice-total-row {
    display: flex;
    justify-content: space-between;
    border-top: 1.5px dashed rgba(139, 92, 246, 0.2);
    padding-top: 16px;
    margin-top: 20px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--dark);
}

/* Tentang Kami Page */
.about-section {
    padding: 60px 0;
}

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

.about-image img {
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--white);
}

.about-text h3 {
    font-size: 2.4rem;
    margin-bottom: 18px;
    letter-spacing: -1px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 26px;
    line-height: 1.8;
}

.contact-info-list {
    margin-top: 36px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 26px;
}

.contact-info-icon {
    font-size: 1.8rem;
    color: var(--primary);
    margin-top: 2px;
}

.contact-info-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
}

.contact-info-text p {
    margin-bottom: 0;
    color: var(--text-muted);
}

.maps-box {
    margin-top: 40px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: #e2e8f0;
    padding: 80px 0 40px 0;
    margin-top: 100px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.footer-brand h3 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    color: #94a3b8;
    margin-bottom: 26px;
    max-width: 380px;
    line-height: 1.8;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 24px;
    font-weight: 700;
}

.footer-links ul li {
    margin-bottom: 14px;
}

.footer-links ul li a {
    color: #94a3b8;
    font-weight: 600;
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.social-links {
    display: flex;
    gap: 14px;
}

.social-btn {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--white);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 36px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #94a3b8;
    font-weight: 500;
}

/* Mobile Nav Elements */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

.mobile-nav-header {
    display: none;
}

.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 190;
    opacity: 0;
    transition: var(--transition);
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* Responsive CSS */
@media (max-width: 992px) {
    .hero-grid, .detail-grid, .checkout-grid, .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-image {
        order: -1;
        max-width: 440px;
        margin: 0 auto;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
        margin-right: 15px;
    }
    
    .nav-container {
        justify-content: flex-start;
    }
    
    .logo {
        margin-right: auto;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 0;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 200;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-nav-header {
        display: flex;
        width: 100%;
        justify-content: space-between;
        align-items: center;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        margin-bottom: 10px;
    }
    
    .mobile-nav-header h3 {
        font-size: 1.2rem;
        margin: 0;
    }
    
    .close-nav {
        background: none;
        border: none;
        font-size: 2rem;
        color: var(--text-muted);
        cursor: pointer;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 16px 24px;
        border-bottom: 1px solid #f3f4f6;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link:hover, .nav-link.active {
        background-color: var(--primary-light);
        padding-left: 32px;
    }
    .hero {
        padding: 80px 0 50px 0;
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .cart-drawer {
        width: 100%;
        right: -100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Smartwatch Responsive CSS (Screens under 320px) */
@media (max-width: 320px) {
    body {
        font-size: 0.8rem;
    }
    .container {
        padding: 0 10px;
    }
    .nav-container {
        height: auto;
        flex-direction: column;
        justify-content: center;
        gap: 12px;
        padding: 16px 0;
    }
    .logo {
        font-size: 1.2rem;
        gap: 6px;
    }
    .hero {
        padding: 40px 0 20px 0;
    }
    .hero-content h1 {
        font-size: 1.8rem;
        letter-spacing: -0.5px;
    }
    .hero-content p {
        font-size: 0.85rem;
        margin-bottom: 24px;
        line-height: 1.6;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .btn {
        padding: 12px 20px;
        font-size: 0.85rem;
        width: 100%;
        border-radius: 20px;
    }
    .hero-image {
        display: none;
    }
    .section {
        padding: 40px 0;
    }
    .section-title {
        margin-bottom: 30px;
    }
    .section-title h2 {
        font-size: 1.5rem;
    }
    .section-title p {
        font-size: 0.85rem;
        margin-top: 10px;
    }
    .category-tabs {
        gap: 6px;
        margin-bottom: 30px;
    }
    .tab-btn {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .product-card {
        border-radius: 16px;
    }
    .product-info {
        padding: 16px;
    }
    .product-title {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }
    .product-price-row {
        padding-top: 12px;
    }
    .product-price {
        font-size: 1.15rem;
    }
    .product-actions {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 12px;
    }
    .detail-grid {
        gap: 20px;
    }
    .detail-info h1 {
        font-size: 1.5rem;
    }
    .detail-price {
        font-size: 1.4rem;
    }
    .detail-actions {
        flex-direction: column;
        gap: 10px;
    }
    .cart-drawer {
        width: 100%;
        padding: 10px;
    }
    .cart-header h3 {
        font-size: 1rem;
    }
    .cart-body {
        padding: 10px;
        gap: 16px;
    }
    .cart-item {
        gap: 10px;
    }
    .cart-item-img {
        width: 50px;
        height: 50px;
    }
    .cart-item-title {
        font-size: 0.85rem;
    }
    .checkout-grid {
        gap: 20px;
    }
    .card {
        padding: 16px;
        border-radius: 16px;
    }
    .card-title {
        font-size: 1.1rem;
        margin-bottom: 16px;
        padding-bottom: 10px;
    }
    .form-group {
        margin-bottom: 16px;
    }
    .invoice-box {
        padding: 16px;
    }
    .footer {
        padding: 40px 0 20px 0;
        margin-top: 60px;
    }
    .footer-grid {
        gap: 24px;
        margin-bottom: 24px;
    }
    .footer-brand h3 {
        font-size: 1.3rem;
    }
    .footer-links h4 {
        font-size: 1.05rem;
        margin-bottom: 16px;
    }
}