/* Reset và biến CSS */
:root {
    --primary-color: #8B7355;
    --primary-dark: #6B5A45;
    --secondary-color: #E8D8C4;
    --light-color: #F5F1ED;
    --dark-color: #333333;
    --text-color: #555555;
    --border-color: #E0E0E0;
    --white: #FFFFFF;
    --black: #000000;
    --success-color: #4CAF50;
    --error-color: #F44336;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    --shadow: 0 5px 15px 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: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

button, input, textarea {
    font-family: var(--font-body);
}

img {
    max-width: 100%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--dark-color);
    font-weight: 700;
    line-height: 1.3;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 3rem;
}

.highlight {
    color: var(--primary-color);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.full-width {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo a {
    display: flex;
    flex-direction: column;
    font-family: var(--font-heading);
    font-weight: 700;
}

.logo-text {
    font-size: 1.8rem;
    color: var(--primary-color);
    line-height: 1;
}

.logo-sub {
    font-size: 0.8rem;
    color: var(--dark-color);
    letter-spacing: 2px;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin: 0 15px;
}

.nav-menu a {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

.icon-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    margin-left: 20px;
    cursor: pointer;
    position: relative;
    color: var(--dark-color);
    transition: var(--transition);
}

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

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1445205170230-053b83016050?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1171&q=80') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* Collections */
.section {
    padding: 80px 0;
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.collection-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 400px;
    position: relative;
}

.collection-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.collection-img {
    height: 70%;
    background-size: cover;
    background-position: center;
}

.collection-content {
    padding: 20px;
    background-color: var(--white);
    height: 30%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.collection-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    background-color: var(--white);
}

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

.product-img {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--dark-color);
}

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

.product-content {
    padding: 20px;
}

.product-title {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.product-category {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    align-items: center;
}

.about-img {
    height: 400px;
    position: relative;
}

.about-img-inner {
    height: 100%;
    background: url('https://images.unsplash.com/photo-1523381294911-8d3cead13475?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80') center/cover no-repeat;
    border-radius: 10px;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 60px 0 20px;
}

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

.footer-col h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer-col p {
    margin: 15px 0;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

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

.modal-content {
    background-color: var(--white);
    border-radius: 10px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.cart-modal {
    max-width: 700px;
}

.success-modal {
    max-width: 400px;
    text-align: center;
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.8rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    line-height: 1;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary-color);
}

.modal-body {
    padding: 30px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 115, 85, 0.2);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox, .radio {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox input, .radio input {
    margin-right: 10px;
}

.forgot-password {
    color: var(--primary-color);
    font-size: 0.9rem;
    transition: var(--transition);
}

.forgot-password:hover {
    text-decoration: underline;
}

.divider {
    position: relative;
    text-align: center;
    margin: 25px 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--border-color);
}

.divider span {
    position: relative;
    background-color: var(--white);
    padding: 0 15px;
    color: var(--text-color);
    font-size: 0.9rem;
}

.switch-modal {
    text-align: center;
    margin-top: 20px;
}

.switch-modal a {
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.switch-modal a:hover {
    text-decoration: underline;
}

/* Payment Options */
.payment-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Cart */
.cart-items {
    margin-bottom: 30px;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

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

.cart-item-img {
    width: 100px;
    height: 100px;
    background-size: cover;
    background-position: center;
    border-radius: 5px;
}

.cart-item-details h4 {
    margin-bottom: 5px;
}

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

.cart-item-quantity {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    background-color: var(--light-color);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: bold;
    transition: var(--transition);
}

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

.quantity-value {
    margin: 0 10px;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.cart-item-remove:hover {
    transform: scale(1.1);
}

.cart-summary {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.summary-row.total {
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.price {
    color: var(--primary-color);
    font-weight: 600;
}

/* Success Modal */
.success-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-modal h2 {
    margin-bottom: 15px;
}

.success-modal p {
    margin-bottom: 25px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .cart-item {
        grid-template-columns: 80px 1fr;
        grid-template-rows: auto auto;
    }
    
    .cart-item-remove {
        grid-column: 2;
        grid-row: 2;
        justify-self: end;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .modal-content {
        padding: 0;
    }
    
    .modal-header, .modal-body {
        padding: 20px;
    }
}
/* ... (giữ nguyên toàn bộ CSS cũ) ... */

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.testimonial-img {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.testimonial-content {
    padding: 20px;
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 15px;
    color: var(--text-color);
}

.testimonial-content h4 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.testimonial-content span {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* View More Button */
.view-more-container {
    text-align: center;
    margin-top: 40px;
}

/* In cart text */
.in-cart-text {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 5px;
}

/* Product details modal */
.product-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.product-details-img {
    height: 400px;
    background-size: cover;
    background-position: center;
    border-radius: 10px;
}

.product-details-info {
    display: flex;
    flex-direction: column;
}

.product-description {
    margin: 15px 0;
    line-height: 1.6;
}

.product-sizes {
    margin: 20px 0;
}

.product-sizes h4 {
    margin-bottom: 10px;
}

.size-options {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.size-option {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    background: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.size-option.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.size-option:hover:not(.active) {
    border-color: var(--primary-color);
}

/* Empty cart */
.empty-cart {
    text-align: center;
    padding: 30px;
    color: var(--text-color);
}

/* Responsive */
@media (max-width: 768px) {
    .product-details {
        grid-template-columns: 1fr;
    }
    
    .product-details-img {
        height: 300px;
    }
    
    .collection-card {
        height: 350px;
    }
}
/* CSS cho nút trong giỏ hàng */
.cart-add-btn.in-cart {
    background-color: var(--primary-color);
    color: var(--white);
}

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

/* Đảm bảo tất cả hình ảnh đều hiển thị đúng */
.collection-img, .product-img, .about-img-inner, .testimonial-img {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}