:root {
    --primary-color: #4A7C59;
    /* Verdant Green */
    --primary-dark: #3a6346;
    --secondary-color: #F8FAF8;
    --text-color: #333333;
    --light-text: #666666;
    --border-color: #e5e5e5;
    --container-width: 1200px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #ffffff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

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

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

.btn-block {
    display: block;
    width: 100%;
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--primary-color);
    text-transform: uppercase;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    font-size: 0.95rem;
    color: var(--light-text);
}

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

.cart-icon {
    position: relative;
    cursor: pointer;
}

#cart-count {
    position: absolute;
    top: -5px;
    right: -8px;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero */
.hero {
    height: 500px;
    background-image: url('./images/labs_imagefx_20260123_0105_4_var1.png');
    /* Fallback or specific image */
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    padding: 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

/* Products */
.section-title {
    text-align: center;
    margin: 60px 0 30px;
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding-bottom: 80px;
}

.product-card {
    border: 1px solid transparent;
    transition: transform 0.3s, border-color 0.3s;
    border-radius: 8px;
    overflow: hidden;
    background: white;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.product-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background-color: #f0f0f0;
}

.product-info {
    padding: 15px;
}

.product-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.product-price {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-col a,
.footer-col p {
    display: block;
    margin-bottom: 10px;
    color: var(--light-text);
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-size: 0.8rem;
    color: #999;
}

/* Cart Sidebar */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 101;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: white;
    z-index: 102;
    transition: right 0.3s;
    display: flex;
    flex-direction: column;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

.cart-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
}

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

.cart-item-title {
    font-size: 0.9rem;
    font-weight: 500;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: #f9f9f9;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 800px;
    border-radius: 8px;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

@media (max-width: 768px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
}