/* ==================== 
   TechNova E-Commerce
   Modern Premium Design
   ==================== */

/* CSS Variables */
:root {
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --primary-light: #fbbf24;
    --secondary: #0f172a;
    --secondary-light: #1e293b;
    --accent: #3b82f6;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --border: #334155;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==================== NAVBAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

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

.nav-search {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.nav-search input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.nav-search input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-light);
    transform: translateY(-50%) scale(1.1);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.25rem;
    transition: var(--transition);
}

.cart-toggle:hover {
    background: var(--primary);
    color: var(--secondary);
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    color: var(--secondary);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    color: var(--text-primary);
    font-size: 1.5rem;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    z-index: 1100;
    padding: 2rem;
    transition: var(--transition);
}

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

.close-menu {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.mobile-nav-links {
    margin-top: 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-links a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}

.mobile-nav-links a:hover {
    color: var(--primary);
}

/* Cart Sidebar */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    z-index: 1101;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

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

.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cart-header h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.cart-header h3 ion-icon {
    color: var(--primary);
}

.close-cart {
    width: 36px;
    height: 36px;
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: var(--transition);
}

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

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-cart ion-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-cart p {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.empty-cart span {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

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

.cart-item h4 {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.cart-item .price {
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.qty-btn {
    width: 28px;
    height: 28px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.cart-item-quantity span {
    min-width: 24px;
    text-align: center;
    font-weight: 600;
}

.delete-item {
    width: 32px;
    height: 32px;
    color: #ef4444;
    font-size: 1.1rem;
    transition: var(--transition);
}

.delete-item:hover {
    transform: scale(1.1);
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.cart-total span:first-child {
    color: var(--text-secondary);
    font-size: 1rem;
}

.total-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.checkout-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--secondary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--radius-xl);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

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

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--secondary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-showcase {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.hero-phone {
    width: 100%;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.floating-card {
    position: absolute;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: float-card 4s ease-in-out infinite;
}

.floating-card ion-icon {
    color: var(--primary);
    font-size: 1.25rem;
}

.card-1 {
    top: 20%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 20%;
    right: -10%;
    animation-delay: 2s;
}

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

/* ==================== FEATURES BANNER ==================== */
.features-banner {
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

/* ==================== PRODUCTS SECTION ==================== */
.products-section {
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-xl);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.products-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--secondary);
}

.products-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

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

.product-card.hidden {
    display: none;
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 0.8rem;
    background: var(--primary);
    color: var(--secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    z-index: 2;
}

.product-badge.sale {
    background: #ef4444;
    color: white;
}

.product-badge.hot {
    background: #dc2626;
    color: white;
}

.product-badge.new {
    background: #3b82f6;
    color: white;
}

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

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
    transition: var(--transition);
}

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

.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);
}

.action-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.product-info {
    padding: 1.5rem;
}

.product-brand {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.product-rating ion-icon {
    color: var(--primary);
    font-size: 0.9rem;
}

.product-rating ion-icon[name="star-outline"] {
    color: var(--text-muted);
}

.product-rating span {
    margin-left: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.current-price {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
}

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

.add-to-cart-btn {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

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

/* ==================== NEWSLETTER ==================== */
.newsletter-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
    border-top: 1px solid var(--border);
}

.newsletter-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.newsletter-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.newsletter-form button {
    padding: 1rem 2rem;
    background: var(--primary);
    color: var(--secondary);
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: var(--transition);
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* ==================== CONTACT SECTION ==================== */
.contact-section {
    padding: 6rem 2rem;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info-cards {
    display: grid;
    gap: 1.5rem;
}

.contact-info-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-info-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.submit-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--secondary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--secondary-light);
    border-top: 1px solid var(--border);
    padding: 4rem 2rem 2rem;
}

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

.footer-top {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 350px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.payment-methods {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.payment-methods ion-icon {
    font-size: 1.5rem;
}

/* ==================== TOAST ==================== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast ion-icon {
    color: #22c55e;
    font-size: 1.25rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .phone-showcase {
        max-width: 350px;
    }
    
    .floating-card {
        display: none;
    }
    
    .features-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-search {
        max-width: 200px;
    }
    
    .hero {
        padding: 7rem 1.5rem 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .features-container {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .products-filter {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .cart-sidebar {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.75rem 1rem;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* ==================== PRELOADER ==================== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2.5rem;
    color: var(--secondary);
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.preloader-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: 0 auto;
}

.preloader-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-xl);
    width: 0;
    animation: loadProgress 2s ease-in-out forwards;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes loadProgress {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ==================== SCROLL PROGRESS ==================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 1001;
    transition: width 0.1s ease;
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.5rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(245, 158, 11, 0.4);
}

/* ==================== TESTIMONIALS ==================== */
.testimonials-section {
    padding: 6rem 2rem;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.testimonials-container {
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 2rem;
    transition: transform 0.5s ease;
}

.testimonial-card {
    min-width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
}

@media (min-width: 768px) {
    .testimonial-card {
        min-width: calc(50% - 1rem);
    }
}

@media (min-width: 1024px) {
    .testimonial-card {
        min-width: calc(33.333% - 1.33rem);
    }
}

.testimonial-stars {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.testimonial-stars ion-icon {
    color: var(--primary);
    font-size: 1.25rem;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--secondary);
}

.author-info {
    text-align: left;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

.testimonial-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.testimonial-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--secondary);
}

.testimonial-dots {
    display: flex;
    gap: 0.5rem;
}

.testimonial-dots .dot {
    width: 12px;
    height: 12px;
    background: var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.testimonial-dots .dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

/* ==================== FAQ ==================== */
.faq-section {
    padding: 6rem 2rem;
    background: var(--bg-primary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-item.active {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== RECENTLY VIEWED ==================== */
.recently-viewed-section {
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    display: none;
}

.recently-viewed-section.has-items {
    display: block;
}

.recently-viewed-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-card);
}

.recently-viewed-container::-webkit-scrollbar {
    height: 6px;
}

.recently-viewed-container::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: var(--radius);
}

.recently-viewed-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius);
}

.recent-item {
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    transition: var(--transition);
}

.recent-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.recent-item img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 0.75rem;
}

.recent-item h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.recent-item .price {
    color: var(--primary);
    font-weight: 700;
}

.empty-recent {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-muted);
    padding: 2rem;
}

.empty-recent ion-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* ==================== QUICK VIEW MODAL ==================== */
.quick-view-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.quick-view-modal.active {
    opacity: 1;
    visibility: visible;
}

.quick-view-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.quick-view-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.quick-view-modal.active .quick-view-content {
    transform: scale(1);
}

.quick-view-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.quick-view-close:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--secondary);
}

.quick-view-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-height: 90vh;
    overflow-y: auto;
}

.quick-view-gallery {
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: 400px;
}

.quick-view-gallery img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
}

.quick-view-details {
    padding: 2rem;
    overflow-y: auto;
}

.quick-view-brand {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-xl);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.quick-view-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.quick-view-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.quick-view-rating ion-icon {
    color: var(--primary);
}

.quick-view-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quick-view-price .current {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.quick-view-price .original {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.quick-view-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.quick-view-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.spec-item ion-icon {
    color: var(--primary);
    font-size: 1.25rem;
}

.spec-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.quick-view-add-cart {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--secondary);
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.quick-view-add-cart:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(245, 158, 11, 0.3);
}

@media (max-width: 768px) {
    .quick-view-body {
        grid-template-columns: 1fr;
    }
    
    .quick-view-gallery {
        min-height: 250px;
    }
    
    .quick-view-gallery img {
        max-height: 250px;
    }
    
    .quick-view-name {
        font-size: 1.5rem;
    }
    
    .quick-view-price .current {
        font-size: 1.5rem;
    }
}