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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --dark-color: #0b1220;
    --light-color: #0f172a0d;
    --text-color: #0f172a;
    --muted-text: #475569;
    --white: #ffffff;
    --glass: rgba(255,255,255,0.7);
    --border-color: rgba(2, 6, 23, 0.08);
    --shadow: 0 8px 24px rgba(2,6,23,0.06);
    --shadow-lg: 0 20px 40px rgba(2,6,23,0.12);
}

body {
    font-family: 'Inter', 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    background:
        radial-gradient(1200px 600px at 100% -10%, rgba(37,99,235,0.08), transparent 60%),
        radial-gradient(1000px 500px at -10% 0%, rgba(245,158,11,0.08), transparent 60%),
        linear-gradient(120deg, #f8fafc, #eef2ff 30%, #fdf2f8 60%, #f8fafc);
}

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

/* Navigation Bar */
.navbar {
    background: var(--glass);
    backdrop-filter: saturate(200%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.nav-logo i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s, opacity 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #2563eb, #7c3aed);
}

.nav-icons {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cart-icon {
    position: relative;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-color);
    transition: color 0.3s;
}

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

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: all 0.3s;
}

/* Carousel Section */
.carousel-section {
    position: relative;
    height: 650px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    transform: translateX(100%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.carousel-slide[data-slide="0"] {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.carousel-slide[data-slide="1"] {
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
}

.carousel-slide[data-slide="2"] {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.carousel-slide[data-slide="3"] {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0);
    z-index: 1;
}

.carousel-slide.prev {
    transform: translateX(-100%);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.slide-icon {
    font-size: 6rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s;
}

.slide-content h1 {
    font-size: 3.75rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s 0.2s both;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #fff, #e5e7eb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s 0.4s both;
}

.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s;
    box-shadow: 0 10px 24px rgba(245, 158, 11, 0.35);
    animation: fadeInUp 0.8s 0.6s both;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(245, 158, 11, 0.35);
}

/* Carousel Controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.indicator.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Featured Cars Section */
.featured-cars {
    padding: 4rem 0;
    background: linear-gradient(180deg, rgba(255,255,255,0), rgba(37,99,235,0.03));
}

.section-title {
    text-align: center;
    font-size: 2.75rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #0f172a, #1e293b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.car-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.95));
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    position: relative;
}

.car-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.car-card::after {
    content: '';
    position: absolute;
    top: -150%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.25) 15%, transparent 30%);
    transform: rotate(10deg);
    transition: transform 0.6s ease;
    pointer-events: none;
}
.car-card:hover::after {
    transform: translateY(40%) rotate(10deg);
}

.car-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 50%, #7c3aed 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
    position: relative;
}
.car-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.car-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(800px 200px at 10% -20%, rgba(255,255,255,0.15), transparent 60%);
}

.car-info {
    padding: 1.5rem;
}

.car-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    letter-spacing: -0.01em;
}

.car-details {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--muted-text);
}

.car-details span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.car-price {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.add-to-cart {
    width: 100%;
    padding: 12px;
    background: linear-gradient(180deg, #2563eb 0%, #1e40af 100%);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 20px rgba(30, 64, 175, 0.25);
}

.add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(30, 64, 175, 0.3);
}

/* Shopping Cart Sidebar */
.cart-sidebar {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background: rgba(255,255,255,0.9);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(12px);
}

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

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

.cart-header h2 {
    color: var(--dark-color);
}

.close-cart {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
    transition: color 0.3s;
}

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

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

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--light-color);
    margin-bottom: 1rem;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

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

.cart-item-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

.cart-item-remove {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 1.25rem;
    transition: transform 0.3s;
}

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

.empty-cart {
    text-align: center;
    color: #9ca3af;
    padding: 2rem;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--light-color);
}

.cart-total {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.btn-checkout {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 1500;
}

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

/* Footer */
.footer {
    background: linear-gradient(180deg, #0b1220, #111827);
    color: var(--white);
    padding: 3.5rem 0 1.25rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* Reviews / Testimonials */
.reviews {
    padding: 4rem 0;
    background: linear-gradient(180deg, rgba(37,99,235,0.03), rgba(255,255,255,0));
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.review-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,1));
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 1.25rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.review-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--white);
    background: linear-gradient(135deg, #2563eb, #7c3aed);
}

.review-name {
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: -0.01em;
}

.review-meta {
    font-size: 0.875rem;
    color: var(--muted-text);
}

.review-rating {
    color: #f59e0b;
    margin: 0.25rem 0 0.5rem 0;
}

.review-text {
    color: var(--text-color);
}

/* Page Specific Styles */
.page-hero {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.page-hero h1 {
    font-size: 3rem;
}

.content-section {
    padding: 4rem 0;
}

.about-content,
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    padding: 12px 30px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* Adidas-style Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--white);
    transition: transform 0.3s;
}

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

.quick-add-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 2;
}

.product-card:hover .quick-add-overlay {
    opacity: 1;
}

.quick-add-btn {
    background: var(--white);
    color: var(--dark-color);
    border: none;
    padding: 14px 28px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateY(10px);
}

.product-card:hover .quick-add-btn {
    transform: translateY(0);
}

.quick-add-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.product-info {
    padding: 1.25rem;
}

.product-category {
    font-size: 0.875rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.product-details {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #6b7280;
    flex-wrap: wrap;
}

.product-details span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

.product-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
    display: flex;
    gap: 0.5rem;
}

.add-to-cart-mobile {
    flex: 1;
    padding: 10px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

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

.category-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.category-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: left 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

    .carousel-section {
        height: 500px;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .slide-icon {
        font-size: 4rem;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .prev-btn {
        left: 10px;
    }

    .next-btn {
        right: 10px;
    }

    .carousel-indicators {
        bottom: 20px;
    }

    .quick-add-overlay {
        opacity: 1;
        background: transparent;
    }

    .quick-add-btn {
        display: none;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

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

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem 15px;
    }

    .carousel-section {
        height: 400px;
    }

    .slide-content h1 {
        font-size: 1.5rem;
    }

    .slide-icon {
        font-size: 3rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .featured-cars {
        padding: 2rem 0;
    }

    .content-section {
        padding: 2rem 0;
    }
}