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

:root {
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #818cf8;
    --secondary: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    background: var(--gray-50);
    overflow-x: hidden;
}

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

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

ul { list-style: none; }

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

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

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

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

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

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

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

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.logo i {
    font-size: 28px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.3s;
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav a:hover::after {
    width: 100%;
}

.cart-btn {
    position: relative;
    background: var(--primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s;
}

.cart-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--secondary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-700);
    cursor: pointer;
}

/* ========== Hero ========== */
.hero {
    position: relative;
    padding: 130px 0 90px;
    background: linear-gradient(135deg, #4f46e5 0%, #6d28d9 55%, #4c1d95 100%);
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 12% 18%, rgba(255,255,255,0.14) 0%, transparent 42%),
        radial-gradient(circle at 88% 82%, rgba(245,158,11,0.18) 0%, transparent 38%),
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-content {
    text-align: center;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.28);
    backdrop-filter: blur(8px);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 26px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.hero-badge i {
    color: #fbbf24;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1.12;
    letter-spacing: -0.5px;
}

.hero-highlight {
    background: linear-gradient(90deg, #fde68a 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    margin: 0 auto 34px;
    max-width: 540px;
    line-height: 1.7;
}

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

.hero-buttons .btn-primary {
    box-shadow: 0 10px 28px rgba(0,0,0,0.25);
}

.hero-buttons .btn-primary:hover {
    background: var(--secondary);
    color: #111827;
}

.hero-buttons .btn-secondary {
    color: #111827;
    border-color: white;
    background: white;
}

.hero-buttons .btn-secondary:hover {
    background: var(--gray-100);
    color: #111827;
}

.hero-stats {
    display: flex;
    gap: 14px;
    margin-top: 44px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stat {
    flex: 0 1 150px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.18);
    backdrop-filter: blur(6px);
    border-radius: 16px;
    padding: 18px 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.hero-stat:hover {
    background: rgba(255,255,255,0.16);
    transform: translateY(-3px);
}

.hero-stat strong {
    display: block;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 4px;
}

.hero-stat strong i {
    font-size: 15px;
    color: #fbbf24;
    margin-left: 4px;
}

.hero-stat span {
    font-size: 12.5px;
    opacity: 0.82;
}

.hero-trust {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    font-size: 13.5px;
    opacity: 0.85;
}

.hero-trust i {
    color: #34d399;
    font-size: 16px;
}

/* ========== Features ========== */
.features {
    padding: 80px 0;
    background: white;
}

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

.feature-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    transition: all 0.3s;
}

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

.feature-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--gray-800);
}

.feature-card p {
    color: var(--gray-500);
    font-size: 14px;
}

/* ========== Section Header ========== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-500);
}

/* ========== Products ========== */
.products {
    padding: 80px 0;
    background: var(--gray-50);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--gray-200);
}

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

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.product-info {
    padding: 20px;
}

.product-category {
    display: inline-block;
    background: var(--primary-light);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 8px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.product-desc {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.product-price .old-price {
    font-size: 14px;
    color: var(--gray-400);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: 8px;
}

.add-to-cart {
    background: var(--primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

.add-to-cart:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* ========== Reviews ========== */
.reviews {
    padding: 80px 0;
    background: white;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.reviews-toggle-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 48px;
}

.reviews-toggle {
    display: inline-flex;
    border-radius: 50px;
    overflow: hidden;
    border: 2px solid var(--primary);
    box-shadow: var(--shadow);
}

.reviews-toggle:not(.is-expanded) {
    border: none;
    box-shadow: none;
    overflow: visible;
}

.reviews-toggle.is-expanded {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.reviews-toggle:not(.is-expanded) .reviews-toggle-more {
    border: 2px solid var(--primary);
    border-radius: 50px;
    box-shadow: var(--shadow);
}

.reviews-toggle-btn {
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.reviews-toggle-more {
    background: var(--primary);
    color: white;
}

.reviews-toggle-more:hover {
    background: var(--primary-dark);
}

.reviews-toggle-collapse {
    background: white;
    color: var(--gray-700);
    border-left: 2px solid var(--primary);
}

.reviews-toggle-collapse:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.reviews-toggle.is-expanded .reviews-toggle-more:not([hidden]) {
    border-radius: 0;
    border: none;
    box-shadow: none;
}

.reviews-toggle.collapse-only {
    border: 2px solid var(--gray-300);
}

.reviews-toggle.collapse-only .reviews-toggle-collapse {
    border-left: none;
    border-radius: 50px;
    padding: 12px 28px;
}

.review-card {
    background: var(--gray-50);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 20px;
}

.review-name {
    font-weight: 600;
    color: var(--gray-800);
}

.review-stars {
    color: var(--secondary);
    font-size: 14px;
}

.review-date {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 2px;
}

.review-card-new {
    animation: reviewPopIn 0.5s ease;
    border-color: var(--primary-light) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15), var(--shadow-lg) !important;
}

@keyframes reviewPopIn {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.review-text {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
}

.add-review {
    max-width: 600px;
    margin: 0 auto;
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.add-review h3 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--gray-800);
}

.add-review form:has(:disabled) {
    opacity: 0.65;
    pointer-events: none;
}

.review-limit-message {
    margin-top: 16px;
    padding: 12px 16px;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: 10px;
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

/* ========== Contact ========== */
.contact {
    padding: 80px 0;
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

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

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

.contact-item i {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--gray-800);
}

.contact-item p {
    color: var(--gray-600);
    font-size: 15px;
}

.contact-channels {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.contact-channel {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.contact-channel-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-channel-zalo {
    background: #0068ff;
}

.contact-channel-zalo:hover {
    background: #0052cc;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-channel-facebook {
    background: #1877f2;
}

.contact-channel-facebook:hover {
    background: #0d65d9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    background: white;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    margin-bottom: 24px;
    color: var(--gray-800);
}

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

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ========== Footer ========== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 64px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-700);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 16px;
}

.footer-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

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

.social-zalo:hover {
    background: #0068ff;
}

/* ========== Floating contact ========== */
.contact-float {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 4500;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-float-btn {
    display: flex;
    align-items: center;
    gap: 0;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    color: white;
    box-shadow: 0 6px 20px rgba(0,0,0,0.22);
    transition: all 0.3s ease;
    overflow: hidden;
    justify-content: center;
}

.contact-float-btn:hover {
    width: auto;
    padding: 0 18px 0 14px;
    border-radius: 50px;
    transform: translateX(-4px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.28);
}

.contact-float-zalo {
    background: #0068ff;
}

.contact-float-zalo:hover {
    background: #0052cc;
}

.contact-float-facebook {
    background: #1877f2;
}

.contact-float-facebook:hover {
    background: #0d65d9;
}

.contact-float-label {
    max-width: 0;
    opacity: 0;
    overflow: hidden;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-float-btn:hover .contact-float-label {
    max-width: 100px;
    opacity: 1;
    margin-left: 8px;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--gray-400);
    font-size: 14px;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--gray-700);
    border-radius: 8px;
    background: var(--gray-800);
    color: white;
    font-size: 14px;
}

.newsletter-form input::placeholder {
    color: var(--gray-500);
}

.newsletter-form button {
    background: var(--primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 14px;
    color: var(--gray-500);
}

/* ========== Cart Sidebar ========== */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

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

.cart-header h3 {
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.close-cart {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-500);
    cursor: pointer;
    transition: color 0.3s;
}

.close-cart:hover {
    color: var(--gray-800);
}

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

.cart-item {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.cart-item-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.cart-item-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.cart-item-price {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

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

.cart-item-qty button {
    width: 28px;
    height: 28px;
    border: 1px solid var(--gray-300);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-item-qty button:hover {
    background: var(--gray-100);
}

.cart-item-qty span {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    transition: color 0.3s;
}

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

.cart-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray-400);
}

.cart-empty i {
    font-size: 60px;
    margin-bottom: 16px;
    display: block;
}

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

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ========== Modal ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    color: var(--gray-400);
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--gray-800);
}

.modal-content h2 {
    margin-bottom: 24px;
    color: var(--gray-800);
}

.order-summary {
    background: var(--gray-50);
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
}

.order-summary h4 {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.order-total {
    text-align: right;
    margin-top: 12px;
    font-size: 18px;
    color: var(--primary);
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 14px;
    color: var(--gray-600);
}

.modal-success {
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: #d1fae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.success-icon i {
    font-size: 40px;
    color: var(--success);
}

.modal-success h2 {
    color: var(--gray-800);
    margin-bottom: 12px;
}

.modal-success p {
    color: var(--gray-600);
    margin-bottom: 24px;
}

/* ========== Toast ========== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-800);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    z-index: 5000;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
}

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

/* ========== Mobile Menu ========== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: white;
    z-index: 2500;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-xl);
}

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

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

.mobile-menu-header span {
    font-size: 20px;
    font-weight: 600;
}

.mobile-menu-header button {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-500);
    cursor: pointer;
}

.mobile-nav {
    padding: 16px;
}

.mobile-nav a {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: 8px;
    transition: all 0.3s;
}

.mobile-nav a:hover {
    background: var(--gray-100);
    color: var(--primary);
}

/* ========== Overlay ========== */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 1500;
}

.overlay.active {
    display: block;
}

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        max-width: 480px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-stats {
        gap: 10px;
    }

    .hero-stat {
        padding: 12px 8px;
    }

    .hero-stat strong {
        font-size: 20px;
    }

    .features-grid {
        grid-template-columns: 1fr 1fr;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-float {
        right: 14px;
        bottom: 16px;
        gap: 10px;
    }

    .contact-float-btn {
        width: auto;
        height: 44px;
        padding: 0 14px;
        border-radius: 50px;
    }

    .contact-float-label {
        max-width: 80px;
        opacity: 1;
        margin-left: 8px;
    }

    .contact-channels {
        flex-direction: column;
    }

    .contact-channel {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}