/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-orange: #f97316;
    --dark-gray: #1f2937;
    --medium-gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --success-green: #10b981;
    --discount-red: #ef4444;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark-gray);
    line-height: 1.6;
    background-color: var(--white);
}

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

            /* ===== NAVIGATION ===== */
.navbar {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

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

.icon {
    font-size: 1.3rem;
    cursor: pointer;
    transition: transform 0.2s ease;
    position: relative;
}

.icon:hover {
    transform: scale(1.1);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--accent-orange);
    color: var(--white);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    font-weight: 700;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 100px 0;
    text-align: center;
    color: var(--white);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    padding: 16px 48px;
    background-color: var(--accent-orange);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.cta-button:hover {
    background-color: #ea580c;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
}

/* ===== CATEGORY SECTION ===== */
.category-section {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--dark-gray);
}

.category-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 28px;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

/* ===== PRODUCTS SECTION ===== */
.products {
    padding: 60px 0;
}

.sort-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.product-count {
    font-size: 1rem;
    color: var(--medium-gray);
    font-weight: 500;
}

.sort-dropdown {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-gray);
    background-color: var(--white);
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.sort-dropdown:hover {
    border-color: var(--primary-color);
}

.sort-dropdown:focus {
    outline: none;
    border-color: var(--primary-color);
}

.product-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

/* ===== PRODUCT CARDS ===== */
.product-card {
    flex: 1 1 calc(25% - 1.5rem);
    min-width: 260px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--discount-red);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 10;
}

.product-badge.best-seller {
    background-color: var(--success-green);
}

.product-badge.new {
    background-color: var(--primary-color);
}

.product-image {
    background-color: var(--light-gray);
    height: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease;
}

.product-card:hover .product-image {
    background-color: #e0e7ff;
}

.image-placeholder {
    font-size: 5rem;
}

.product-info {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
}

.product-specs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.product-specs span {
    font-size: 0.75rem;
    background-color: var(--light-gray);
    color: var(--medium-gray);
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
}

.product-rating {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: var(--medium-gray);
}

.product-rating span {
    font-weight: 600;
}

.product-colors {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.color-dot:hover {
    transform: scale(1.2);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-gray);
}

.original-price {
    font-size: 1.1rem;
    color: var(--medium-gray);
    text-decoration: line-through;
}

.add-to-cart {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-to-cart:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    flex: 1 1 calc(25% - 1.5rem);
    min-width: 240px;
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 1rem;
    color: var(--medium-gray);
}

/* ===== NEWSLETTER SECTION ===== */
.newsletter {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    padding: 80px 0;
    color: var(--white);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
}

.subscribe-btn {
    padding: 16px 36px;
    background-color: var(--accent-orange);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.subscribe-btn:hover {
    background-color: #ea580c;
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.footer-section a {
    display: block;
    color: #d1d5db;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 0.9rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .product-card {
        flex: 1 1 calc(33.333% - 1.5rem);
    }

    .feature-card {
        flex: 1 1 calc(50% - 1rem);
    }
}

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .product-card {
        flex: 1 1 calc(50% - 1rem);
        min-width: 200px;
    }

    .sort-section {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .product-card {
        flex: 1 1 100%;
    }

    .feature-card {
        flex: 1 1 100%;
    }

    .category-filters {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
    }
}