/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: hsl(217 12% 27%);
    background-color: hsl(220 14% 96%);
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, hsl(220 100% 50%) 0%, hsl(220 80% 60%) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px hsla(220 100% 50% / 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo i {
    font-size: 2.5rem;
    color: hsl(48 100% 80%);
}

.brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: -0.2rem;
}

.brand p {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

.navigation {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, hsl(220 90% 95%) 0%, hsl(220 100% 98%) 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    color: hsl(220 100% 50%);
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    color: hsl(217 12% 45%);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.sale-banner {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, hsl(0 100% 60%) 0%, hsl(15 100% 55%) 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    animation: pulse 2s infinite;
}

.sale-banner i {
    animation: bounce 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Categories Section */
.categories {
    padding: 2rem 0;
    background: white;
    border-bottom: 1px solid hsl(220 13% 91%);
}

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

.filter-btn {
    background: hsl(220 14% 96%);
    border: 2px solid hsl(220 13% 91%);
    color: hsl(217 12% 27%);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: hsl(220 100% 50%);
    border-color: hsl(220 100% 50%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px hsla(220 100% 50% / 0.3);
}

/* Products Section */
.products {
    padding: 4rem 0;
    background: hsl(220 14% 96%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px hsla(220 100% 50% / 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px hsla(220 100% 50% / 0.2);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.offer-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, hsl(0 100% 60%) 0%, hsl(15 100% 55%) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 2;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, hsl(48 100% 50%) 0%, hsl(48 100% 60%) 100%);
    color: hsl(217 12% 27%);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 2;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.3rem;
    color: hsl(220 100% 50%);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-description {
    color: hsl(217 12% 45%);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.price {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(220 100% 50%);
}

.original-price {
    font-size: 1.1rem;
    color: hsl(217 12% 45%);
    text-decoration: line-through;
}

.add-to-cart {
    width: 100%;
    background: linear-gradient(135deg, hsl(220 100% 50%) 0%, hsl(220 80% 60%) 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px hsla(220 100% 50% / 0.4);
}

/* Footer */
.footer {
    background: hsl(217 12% 15%);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    color: hsl(220 100% 70%);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

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

.footer-section a {
    color: hsl(217 12% 75%);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: hsl(220 100% 70%);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: hsl(220 100% 50%);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px hsla(220 100% 50% / 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid hsl(217 12% 25%);
    color: hsl(217 12% 65%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }

    .navigation {
        gap: 1rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

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

    .category-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .sale-banner {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

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

    .category-filters {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 200px;
        text-align: center;
    }
}

/* Smooth transitions and animations */
.product-card.fade-out {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.product-card.fade-in {
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s ease;
}