/* Base Styles */
:root {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --text-color: #333;
    --text-light: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f5f5f5;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

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

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

.btn-secondary {
    background-color: var(--light-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

/* Header & Navigation */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo img {
    border-radius: 50%;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    align-items: center;
    gap: 2rem;
}

nav ul li {
    position: relative;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

.cart-icon {
    position: relative;
    font-size: 1.2rem;
    color: var(--dark-color);
    transition: var(--transition);
}

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

.cart-count {
    position: absolute;
    top: -10px;
    right: -10px;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('img/hero-bg.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    margin-top: 70px; /* To account for fixed header */
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* About Section */
.about-content {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-10px);
}

.value-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.value-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Health Tips Section */
.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tip-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tip-image {
    height: 200px;
    overflow: hidden;
}

.tip-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.tip-content {
    padding: 1.5rem;
}

.tip-content h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

.video-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* Shop Section */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--danger-color);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: bold;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.product-price {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.original-price {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 1rem;
    margin-left: 0.5rem;
}

.add-to-cart {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    margin-top: 1rem;
}

.add-to-cart:hover {
    background-color: var(--secondary-color);
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background-color: white;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1100;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    overflow-y: auto;
}

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

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.cart-header h3 {
    color: var(--secondary-color);
}

.close-cart {
    font-size: 1.5rem;
    color: var(--text-light);
    transition: var(--transition);
}

.close-cart:hover {
    color: var(--danger-color);
}

.cart-items {
    flex: 1;
}

.cart-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.cart-item-img {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.cart-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.cart-item-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-price {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-remove {
    color: var(--danger-color);
    font-size: 0.9rem;
    cursor: pointer;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
}

.cart-summary {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.checkout-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--success-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.checkout-btn:hover {
    background-color: #218838;
}

.empty-cart-message {
    text-align: center;
    color: var(--text-light);
    margin-top: 2rem;
}

/* Checkout Page */
.checkout-page {
    background-color: white;
    padding: 4rem 0;
    min-height: calc(100vh - 70px);
    margin-top: 70px;
}

.checkout-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

fieldset {
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

legend h3 {
    padding: 0 1rem;
    color: var(--secondary-color);
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.payment-option:hover {
    border-color: var(--primary-color);
}

.payment-option input[type="radio"] {
    margin-right: 0.5rem;
}

/* Join Section */
.join {
    text-align: center;
    background-color: var(--primary-color);
    color: white;
}

.join h2 {
    margin-bottom: 1.5rem;
    color: white;
}

.join p {
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: white;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-column p {
    margin-bottom: 1.5rem;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-column ul li i {
    width: 20px;
    text-align: center;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.8rem;
    border: none;
    border-radius: var(--border-radius);
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-text,
    .about-image {
        flex: none;
        width: 100%;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 1rem;
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }
    
    nav.active {
        transform: translateY(0);
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .hero h2 {
        font-size: 2.2rem;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .cart-sidebar.active {
        right: 0;
    }
}

@media (max-width: 576px) {
    .section-padding {
        padding: 3rem 0;
    }
    
    .hero {
        height: auto;
        padding: 6rem 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .payment-options {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Overlay for cart and mobile menu */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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