/* Siyaram E-Commerce - Modern Minimalist Styling */

/* CSS Custom Properties */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a.active {
    color: var(--primary-color);
}

.cart-icon {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    border-radius: 0.5rem;
    transition: var(--transition);
}

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

.cart-count {
    background: var(--danger-color);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    min-width: 1.25rem;
    text-align: center;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
}

.menu-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Section Titles */
.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

/* Category Pills */
.categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.category-pill {
    padding: 0.75rem 1.5rem;
    background: var(--bg-light);
    border-radius: 2rem;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
}

.category-pill:hover,
.category-pill.active {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: var(--bg-light);
}

.product-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: auto;
}

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

.product-add-section {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    width: 100%;
}

.product-quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-light);
    border-radius: 0.5rem;
    padding: 0.25rem;
}

.product-qty-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    background: var(--white);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    color: var(--text-dark);
}

.product-qty-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.product-qty-display {
    font-weight: 600;
    min-width: 2rem;
    text-align: center;
    color: var(--text-dark);
    font-size: 1rem;
}

.btn-add-cart {
    padding: 0.625rem 1.25rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
    flex: 1;
}

.btn-add-cart:hover {
    background: var(--primary-dark);
}

/* Search & Filters */
.filters-section {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
}

.search-bar {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.search-bar:focus {
    outline: none;
    border-color: var(--primary-color);
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-group h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

/* Cart Page */
.cart-container {
    min-height: 60vh;
    padding: 2rem 0;
}

.cart-items {
    background: var(--white);
    border-radius: 0.75rem;
    overflow: hidden;
    margin-bottom: 2rem;
}

.cart-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 0.5rem;
    background: var(--bg-light);
}

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

.cart-item-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cart-item-category {
    font-size: 0.875rem;
    color: var(--text-light);
}

.cart-item-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-right: 2rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-right: 2rem;
}

.qty-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 0.375rem;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: var(--transition);
}

.qty-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.qty-display {
    font-weight: 600;
    min-width: 2rem;
    text-align: center;
}

.btn-remove {
    padding: 0.5rem 1rem;
    background: var(--danger-color);
    color: var(--white);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: var(--transition);
}

.btn-remove:hover {
    background: #dc2626;
}

.cart-summary {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
    max-width: 400px;
    margin-left: auto;
}

.cart-summary h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.summary-row.total {
    font-size: 1.5rem;
    font-weight: 700;
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
    margin-top: 1rem;
}

.btn-checkout {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 1.5rem;
    transition: var(--transition);
}

.btn-checkout:hover {
    background: var(--primary-dark);
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-cart h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.empty-cart p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* About Page */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-content p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 0.75rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--bg-light);
    transition: var(--transition);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

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

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

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .cart-item {
        flex-wrap: wrap;
    }

    .cart-item-image {
        width: 80px;
        height: 80px;
    }

    .cart-summary {
        max-width: 100%;
    }
}

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

    .categories {
        gap: 0.5rem;
    }

    .category-pill {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}