/* ============================================
   Phone Gear - Thursday Communication Ltd
   Complete E-commerce Stylesheet
   ============================================ */

/* --- CSS Variables / Theme --- */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --success: #10b981;
    --danger: #ef4444;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --black: #000000;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul { list-style: none; }

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Top Bar --- */
.top-bar {
    background: var(--secondary);
    color: var(--white);
    font-size: 0.85rem;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.top-bar-info {
    display: flex;
    gap: 20px;
    align-items: center;
}

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

.top-bar-info i {
    font-size: 0.75rem;
    opacity: 0.8;
}

.top-bar-promo {
    color: var(--accent);
    font-weight: 600;
}

/* --- Header / Navigation --- */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.logo span {
    color: var(--primary);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav a {
    padding: 8px 16px;
    border-radius: var(--radius);
    font-weight: 500;
    color: var(--gray-600);
    transition: all var(--transition);
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--primary);
    background: var(--gray-50);
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-actions button {
    background: none;
    border: none;
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    transition: all var(--transition);
    position: relative;
    font-size: 1.15rem;
}

.header-actions button:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.cart-btn .cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    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 Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 1.3rem;
}

.mobile-toggle:hover {
    background: var(--gray-100);
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, #1e3a5f 100%);
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 500px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

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

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

.btn-accent {
    background: var(--accent);
    color: var(--secondary);
}

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

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

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

.btn-light:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image svg {
    width: 100%;
    max-width: 500px;
    height: auto;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat h3 {
    font-size: 1.75rem;
    font-weight: 700;
}

.hero-stat p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0;
}

/* --- Trust Badges --- */
.trust-badges {
    background: var(--white);
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-200);
}

.trust-badges .container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-600);
}

.trust-badge i {
    font-size: 1.75rem;
    color: var(--primary);
}

.trust-badge strong {
    display: block;
    color: var(--gray-800);
    font-size: 0.95rem;
}

.trust-badge span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* --- Categories Section --- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.category-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    background: var(--gray-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all var(--transition);
}

.category-card:hover .category-icon {
    background: var(--primary);
    color: var(--white);
}

.category-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.category-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
}

/* Featured Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

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

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.badge-hot {
    background: var(--accent);
    color: var(--secondary);
}

.product-image {
    position: relative;
    background: var(--gray-50);
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: hidden;
}

.product-image img,
.product-image svg {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

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

.product-actions {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: all 0.4s ease;
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.product-actions button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.product-actions button:hover {
    background: var(--primary);
    color: var(--white);
}

.product-actions .add-to-cart {
    width: auto;
    padding: 0 20px;
    border-radius: 20px;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-actions .add-to-cart:hover {
    background: var(--primary);
    color: var(--white);
}

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.product-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-800);
    line-height: 1.4;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.product-rating .stars {
    color: var(--accent);
}

.product-rating span {
    color: var(--gray-400);
    font-size: 0.8rem;
}

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

.current-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.old-price {
    font-size: 0.95rem;
    color: var(--gray-400);
    text-decoration: line-through;
}

.discount-tag {
    font-size: 0.75rem;
    color: var(--danger);
    font-weight: 600;
    padding: 2px 8px;
    background: rgba(239,68,68,0.1);
    border-radius: 4px;
}

/* Special Offers / Banner */
.special-offer {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.special-offer::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.offer-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.offer-content p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
    line-height: 1.7;
}

.offer-timer {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.offer-timer-item {
    text-align: center;
    background: rgba(255,255,255,0.1);
    padding: 12px 20px;
    border-radius: var(--radius);
    min-width: 70px;
}

.offer-timer-item .number {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.offer-timer-item .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.7;
}

.offer-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.offer-image svg {
    max-width: 100%;
    height: auto;
}

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

.feature-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: rgba(37,99,235,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* --- Testimonials --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}

.testimonial-stars {
    color: var(--accent);
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.testimonial-card blockquote {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

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

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* --- Newsletter --- */
.newsletter {
    background: var(--primary);
    padding: 60px 0;
    color: var(--white);
}

.newsletter .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.newsletter-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.newsletter-content p {
    color: rgba(255,255,255,0.8);
}

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius);
    outline: none;
    font-size: 1rem;
}

.newsletter-form button {
    padding: 14px 32px;
    background: var(--secondary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--gray-700);
}

/* --- Footer --- */
.footer {
    background: var(--secondary);
    color: var(--gray-300);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.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(--gray-300);
    transition: all var(--transition);
    font-size: 1rem;
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

.footer-contact i {
    margin-top: 4px;
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    color: var(--gray-400);
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* --- Shop / Category Page Specific --- */
.page-header {
    background: linear-gradient(135deg, var(--secondary), var(--primary-dark));
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header p {
    color: rgba(255,255,255,0.7);
    font-size: 1.05rem;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.breadcrumb a {
    color: rgba(255,255,255,0.6);
}

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

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

.shop-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.shop-controls .result-count {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.shop-controls .sort-select {
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    outline: none;
}

.shop-controls .sort-select:focus {
    border-color: var(--primary);
}

/* --- About Page --- */
.about-hero {
    background: linear-gradient(135deg, var(--secondary), var(--primary-dark));
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.about-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto;
}

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

.about-story-image {
    background: var(--gray-100);
    border-radius: var(--radius-xl);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--gray-300);
}

.about-story-content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.about-story-content p {
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* Stats Counter */
.stats-section {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0;
}

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

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
}

.stat-item p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

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

.team-card {
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    box-shadow: var(--shadow);
}

.team-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--gray-400);
}

.team-card h4 {
    font-weight: 600;
    margin-bottom: 4px;
}

.team-card span {
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* --- Contact Page --- */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-500);
    margin-bottom: 32px;
}

.contact-details {
    display: grid;
    gap: 24px;
}

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

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: rgba(37,99,235,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-detail p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
    background: var(--white);
    color: var(--gray-800);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

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

/* --- 404 Page --- */
.error-page {
    text-align: center;
    padding: 120px 0;
}

.error-page h1 {
    font-size: 8rem;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
}

.error-page h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.error-page p {
    color: var(--gray-500);
    margin-bottom: 32px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Cart Sidebar --- */
.cart-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    opacity: 0;
    transition: opacity var(--transition);
}

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

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 2001;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

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

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

.cart-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.cart-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-400);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.cart-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

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

.cart-item-image {
    width: 72px;
    height: 72px;
    background: var(--gray-50);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.5rem;
    color: var(--gray-300);
}

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

.cart-item-info h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.cart-item-info .item-price {
    font-size: 0.85rem;
    color: var(--gray-500);
}

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

.cart-item-quantity button {
    width: 28px;
    height: 28px;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    background: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: all var(--transition);
}

.cart-item-quantity button:hover {
    background: var(--gray-50);
    border-color: var(--primary);
}

.cart-item-quantity span {
    min-width: 24px;
    text-align: center;
    font-weight: 500;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 4px;
    transition: color var(--transition);
}

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

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

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.cart-total .total-price {
    color: var(--primary);
}

.cart-footer .btn {
    width: 100%;
    justify-content: center;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

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

.cart-empty p {
    font-size: 1rem;
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    display: flex;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content p {
        margin: 0 auto 32px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-image {
        display: none;
    }
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .special-offer {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px;
    }
    .offer-timer {
        justify-content: center;
    }
    .newsletter .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-story {
        grid-template-columns: 1fr;
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-section {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        justify-content: center;
        text-align: center;
    }
    .top-bar-info {
        font-size: 0.8rem;
    }
    .nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    .nav.active {
        display: flex;
    }
    .nav a {
        padding: 12px 16px;
        width: 100%;
    }
    .nav a.active::after {
        display: none;
    }
    .mobile-toggle {
        display: flex;
    }
    .hero {
        padding: 60px 0;
        min-height: auto;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    .hero-stat h3 {
        font-size: 1.4rem;
    }
    .section {
        padding: 48px 0;
    }
    .section-header h2 {
        font-size: 1.75rem;
    }
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .product-image {
        height: 180px;
    }
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .newsletter-form {
        flex-direction: column;
    }
    .page-header {
        padding: 40px 0;
    }
    .page-header h1 {
        font-size: 1.75rem;
    }
    .cart-sidebar {
        width: 100%;
    }
    .special-offer {
        padding: 30px 20px;
    }
    .offer-content h3 {
        font-size: 1.5rem;
    }
    .offer-timer {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr 1fr;
    }
    .categories-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-content h1 {
        font-size: 1.6rem;
    }
    .hero-stat h3 {
        font-size: 1.2rem;
    }
    .trust-badges .container {
        flex-direction: column;
        gap: 16px;
    }
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    .team-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }