/* ===== MOBILE FIRST APPROACH ===== */
/* Base Styles - Mobile First */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    overflow-x: hidden;
    background: #fff;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ===== MOBILE NAVIGATION ===== */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    position: relative;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #000;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    z-index: 1001;
}

/* Desktop Menu - Hidden on Mobile */
.nav-links {
    display: none;
}

/* Mobile Menu Button - ALWAYS VISIBLE ON MOBILE */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    width: 44px;
    height: 44px;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    transform: scale(1.05);
}

.mobile-menu-btn i {
    color: white;
    font-size: 1.2rem;
}

/* Mobile Menu - Hidden by default */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 1rem;
    border-top: 1px solid #eee;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

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

.mobile-nav-link {
    padding: 1rem;
    text-decoration: none;
    color: #333;
    font-weight: 600;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.mobile-nav-link:hover {
    color: #667eea;
    background: #f8f9fa;
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* Cart Icon */
.cart-icon {
    position: relative;
    cursor: pointer;
    font-size: 1.2rem;
    color: #333;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.cart-icon:hover {
    color: #667eea;
    transform: scale(1.1);
    background: rgba(102, 126, 234, 0.2);
}

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), 
                url('https://images.unsplash.com/photo-1441986300917-64674bd600d8?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 1rem;
}

.hero-overlay {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.4;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.cta-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 25px rgba(102, 126, 234, 0.4);
    animation: fadeInUp 1s ease-out 0.6s both;
    min-height: 50px;
    min-width: 160px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(102, 126, 234, 0.6);
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: 2rem;
    animation: fadeInUp 1s ease-out 0.9s both;
}

/* ===== FEATURED SECTION ===== */
.featured-section {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #7f8c8d;
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.featured-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.featured-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.featured-item i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.featured-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: #2c3e50;
}

.featured-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* ===== PRODUCT SECTIONS ===== */
.section {
    padding: 3rem 0;
    position: relative;
}

.section-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #e0e0e0;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: #7f8c8d;
}

/* Section Backgrounds */
.urban-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.streetwear-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.about-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.about-section .section-title {
    color: white;
}

/* ===== PRODUCTS GRID - MOBILE FIRST ===== */
.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-info {
    padding: 1.5rem;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.8rem;
}

.product-number {
    color: #95a5a6;
    font-size: 0.8rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    line-height: 1.3;
}

.product-description {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-category {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
}

.add-to-cart {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    min-height: 50px;
}

.add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

.about-text p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.stat p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===== CART SIDEBAR ===== */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: white;
    box-shadow: -5px 0 50px rgba(0, 0, 0, 0.2);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
}

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

.cart-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #ecf0f1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.cart-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-cart {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.6rem;
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}

.close-cart:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

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

.cart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 1rem;
    animation: slideInRight 0.3s ease;
    border: 1px solid #e9ecef;
}

.cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: #2c3e50;
    font-size: 1rem;
}

.cart-item-price {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
}

.remove-item {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
    min-height: 40px;
}

.remove-item:hover {
    background: #c0392b;
    transform: scale(1.05);
}

.cart-total {
    padding: 1.5rem;
    border-top: 1px solid #ecf0f1;
    background: #f8f9fa;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
    min-height: 50px;
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.6);
}

/* ===== CHECKOUT MODAL ===== */
.checkout-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.checkout-modal.active {
    display: flex;
}

.checkout-content {
    background: white;
    border-radius: 15px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.checkout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #ecf0f1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
}

.checkout-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-checkout {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.6rem;
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}

.close-checkout:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.checkout-body {
    padding: 1.5rem;
}

.checkout-summary {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.checkout-summary h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.checkout-total {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid #e9ecef;
    font-size: 1.2rem;
    color: #2c3e50;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    min-height: 50px;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.place-order-btn {
    width: 100%;
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
    min-height: 50px;
}

.place-order-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.6);
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: #bdc3c7;
}

.footer-section a {
    display: block;
    color: #95a5a6;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-section p {
    color: #95a5a6;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
    font-size: 0.8rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== TABLET STYLES ===== */
@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }

    .hero-title {
        font-size: 4rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

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

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

    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .about-image img {
        height: 400px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* ===== DESKTOP STYLES ===== */
@media (min-width: 1024px) {
    /* Show desktop menu, hide mobile button */
    .nav-links {
        display: flex;
        gap: 2rem;
    }

    .mobile-menu-btn {
        display: none;
    }

    .mobile-menu {
        display: none !important;
    }

    .nav-links a {
        color: #555;
        text-decoration: none;
        font-weight: 600;
        font-size: 1rem;
        transition: all 0.3s ease;
        position: relative;
    }

    .nav-links a:hover {
        color: #000;
    }

    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transition: width 0.3s ease;
    }

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

    .hero-title {
        font-size: 5rem;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }

    .product-image {
        height: 300px;
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }

    .cart-sidebar {
        max-width: 400px;
    }
}

/* ===== LARGE DESKTOP ===== */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 6rem;
    }

    .section {
        padding: 5rem 0;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}