:root {
    --black: #0a0a0a;
    --black-light: #1a1a1a;
    --black-lighter: #2a2a2a;
    --gold: #c9a227;
    --gold-light: #d4b44a;
    --gold-dark: #a68620;
    --gold-gradient: linear-gradient(135deg, #c9a227 0%, #d4b44a 50%, #c9a227 100%);
    --white: #ffffff;
    --white-off: #f8f8f8;
    --white-dark: #e8e8e8;
    --gray: #888888;
    --gray-light: #f4f4f4;
    --danger: #e74c3c;
    --success: #27ae60;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
    --shadow-gold: 0 4px 20px rgba(201, 162, 39, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    background: var(--white-off);
    color: var(--black);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(201, 162, 39, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(201, 162, 39, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

ul {
    list-style: none;
}

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

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

.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 162, 39, 0.1);
    transition: var(--transition);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo-text {
    color: var(--black);
}

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

.main-nav {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-weight: 600;
    font-size: 15px;
    color: var(--black);
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-gradient);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--gold);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cart-icon {
    position: relative;
    padding: 8px;
    border-radius: var(--radius-md);
    background: var(--gray-light);
    transition: var(--transition);
}

.cart-icon:hover {
    background: var(--gold);
    color: var(--white);
}

.cart-icon:hover .cod-badge {
    background: var(--black);
    color: var(--gold);
}

.cod-badge {
    position: absolute;
    top: -5px;
    left: -5px;
    background: var(--gold);
    color: var(--black);
    font-size: 9px;
    font-weight: 700;
    padding: 3px 6px;
    border-radius: 20px;
    transition: var(--transition);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--black);
    transition: var(--transition);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    border-bottom: 1px solid var(--white-dark);
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    display: block;
    padding: 15px;
    font-weight: 600;
    border-bottom: 1px solid var(--white-dark);
}

.main-content {
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.15) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.1) 0%, transparent 70%);
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: slideUp 0.8s ease-out;
}

.hero-title .highlight {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: shimmer 3s ease-in-out infinite;
    background-size: 200% 100%;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 40px;
    animation: slideUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gold-gradient);
    color: var(--black);
    font-weight: 700;
    font-size: 16px;
    padding: 16px 40px;
    border-radius: var(--radius-xl);
    transition: var(--transition);
    animation: slideUp 0.8s ease-out 0.4s backwards;
    box-shadow: var(--shadow-gold);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201, 162, 39, 0.4);
}

.hero-cta svg {
    transition: var(--transition);
}

.hero-cta:hover svg {
    transform: translateX(-5px);
}

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

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

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gold-gradient);
    border-radius: 2px;
}

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

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    animation: fadeIn 0.6s ease-out backwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }
.product-card:nth-child(6) { animation-delay: 0.6s; }
.product-card:nth-child(7) { animation-delay: 0.7s; }
.product-card:nth-child(8) { animation-delay: 0.8s; }

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

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.product-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--black);
    transition: var(--transition);
}

.product-card:hover .product-name {
    color: var(--gold);
}

.product-price {
    font-size: 22px;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 15px;
}

.product-price span {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray);
}

.product-btn {
    display: block;
    width: 100%;
    background: var(--black);
    color: var(--white);
    text-align: center;
    padding: 14px;
    border-radius: var(--radius-md);
    font-weight: 700;
    transition: var(--transition);
}

.product-btn:hover {
    background: var(--gold);
    color: var(--black);
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
}

.category-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: var(--gold-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon svg {
    width: 30px;
    height: 30px;
    color: var(--black);
}

.category-name {
    font-size: 18px;
    font-weight: 700;
}

/* Features Section */
.features {
    background: var(--black);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(201, 162, 39, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--gold);
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    background: var(--gold);
    transform: rotate(10deg);
}

.feature-icon svg {
    width: 36px;
    height: 36px;
    color: var(--gold);
    transition: var(--transition);
}

.feature-item:hover .feature-icon svg {
    color: var(--black);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

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

/* Footer */
.main-footer {
    background: var(--black-light);
    padding: 60px 0 20px;
    border-top: 1px solid var(--black-lighter);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-title .logo-gold {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
}

.footer-subtitle {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray);
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--black-lighter);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray);
}

/* Products Page */
.page-header {
    background: var(--black);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 16px;
    color: var(--gray);
}

.products-section {
    padding: 60px 0;
}

.products-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
    padding: 25px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 14px 20px 14px 50px;
    border: 2px solid var(--white-dark);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    transition: var(--transition);
}

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

.search-box svg {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--gray);
}

.filter-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-select {
    padding: 14px 20px;
    border: 2px solid var(--white-dark);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--gold);
}

.products-count {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination-btn {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 2px solid var(--white-dark);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
}

.pagination-btn:hover,
.pagination-btn.active {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--black);
}

/* Single Product Page */
.product-detail {
    padding: 40px 0;
}

.product-slider {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
}

.slider-container {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.slider-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slider-slide.active {
    opacity: 1;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.slider-nav:hover {
    background: var(--gold);
}

.slider-nav.prev {
    right: 20px;
}

.slider-nav.next {
    left: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--gold);
    transform: scale(1.2);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.product-detail-info h1 {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.3;
}

.product-detail-price {
    font-size: 36px;
    font-weight: 800;
    color: var(--gold);
    margin-bottom: 20px;
}

.product-detail-price span {
    font-size: 18px;
    font-weight: 500;
    color: var(--gray);
}

.product-detail-desc {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.product-options {
    margin-bottom: 30px;
}

.option-group {
    margin-bottom: 25px;
}

.option-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--black);
}

.color-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.color-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid var(--white-dark);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.color-btn.selected {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.3);
}

.color-btn::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 16px;
    opacity: 0;
    transition: var(--transition);
}

.color-btn.selected::after {
    opacity: 1;
}

.size-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.size-btn {
    min-width: 50px;
    padding: 12px 20px;
    background: var(--white);
    border: 2px solid var(--white-dark);
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.size-btn:hover {
    border-color: var(--gold);
}

.size-btn.selected {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--black);
}

/* Order Form */
.order-form {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.order-form h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 30px;
    text-align: center;
    color: var(--gold);
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--white-dark);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    transition: var(--transition);
    background: var(--white);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.radio-label input {
    width: auto;
    accent-color: var(--gold);
}

.delivery-price-display {
    background: var(--gray-light);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.delivery-price-display p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 5px;
}

.delivery-price-display .price {
    font-size: 20px;
    font-weight: 700;
    color: var(--black);
}

.total-price-display {
    background: var(--gold);
    padding: 25px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    text-align: center;
}

.total-price-display p {
    font-size: 14px;
    color: var(--black);
    margin-bottom: 5px;
}

.total-price-display .price {
    font-size: 32px;
    font-weight: 800;
    color: var(--black);
}

.submit-btn {
    width: 100%;
    background: var(--gold-gradient);
    color: var(--black);
    border: none;
    padding: 18px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-gold);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201, 162, 39, 0.4);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.form-message.success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    border: 2px solid var(--success);
}

.form-message.error {
    background: rgba(231, 76, 60, 0.1);
    color: var(--danger);
    border: 2px solid var(--danger);
}

/* Product Description */
.product-description {
    margin-bottom: 60px;
}

.product-description h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gold);
}

.product-description-content {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    line-height: 1.9;
}

.product-description-content p {
    margin-bottom: 15px;
}

.product-description-content ul {
    margin: 15px 0;
    padding-right: 25px;
}

.product-description-content li {
    margin-bottom: 10px;
    list-style: disc;
}

/* Product Images Grid */
.product-images-grid {
    margin-bottom: 60px;
}

.product-images-grid h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 25px;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.images-grid img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.images-grid img:hover {
    box-shadow: var(--shadow-md);
}

/* Related Products */
.related-products {
    margin-bottom: 60px;
}

.related-products h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 30px;
}

/* Success Message */
.success-message {
    display: none;
    background: rgba(39, 174, 96, 0.1);
    border: 2px solid var(--success);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: 30px;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

.success-message h3 {
    font-size: 24px;
    color: var(--success);
    margin-bottom: 15px;
}

.success-message .order-id {
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 10px;
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    text-align: center;
    margin: 20px 0;
}

.loading-spinner.show {
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--white-dark);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 992px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

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

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

    .mobile-nav {
        display: block;
    }

    .hero {
        padding: 60px 0;
    }

    .section {
        padding: 50px 0;
    }

    .products-toolbar {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    .filter-select {
        flex: 1;
    }

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

    .order-form {
        padding: 25px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

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

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

    .pagination-btn {
        width: 38px;
        height: 38px;
        font-size: 14px;
    }

    .slider-nav {
        width: 40px;
        height: 40px;
    }
}