:root {
    --primary-dark: #292F36;
    --accent-gold: #CDA274;
    --bg-white: #FFFFFF;
    --bg-light: #F4F0EC;
    --text-dark: #292F36;
    --text-medium: #4D5053;
    --text-light: #666;
    --border-light: rgba(205, 162, 116, 0.3);
    
    --font-text: "Inter", sans-serif;
    --font-heading: "Jost", sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 32px;
    --radius-xl: 48px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
    color: var(--text-medium);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 16px 32px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: var(--accent-gold);
    color: var(--bg-white);
}

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

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

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

.btn .material-icons,
.btn .material-icons-outlined {
    font-size: 20px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 15px;
    max-width: 1140px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary-dark);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-menu a {
    font-family: var(--font-text);
    font-size: 1rem;
    color: var(--text-dark);
    position: relative;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--accent-gold);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s ease;
}

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

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

.burger-menu span {
    width: 28px;
    height: 3px;
    background-color: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

footer {
    background-color: var(--primary-dark);
    color: var(--bg-white);
    padding: 80px 0 30px;
}

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

.footer-section h4 {
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.cookie-popup {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 600px;
    width: 90%;
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    display: none;
}

.cookie-popup.show {
    display: block;
}

.cookie-popup p {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

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

.card-image {
    margin-top: 4px;
    width: 100%;
    height: 280px;
    object-fit: contain;
}

.card-body {
    padding: 2rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.card-text {
    color: var(--text-medium);
    margin-bottom: 1.5rem;
}

.book-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.book-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.book-price {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1rem;
}

.book-author {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--bg-light);
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

.icon-badge .material-icons-outlined {
    font-size: 36px;
}

.hero-section {
    position: relative;
    height: 85vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 650px;
    color: var(--bg-white);
}

.hero-content h1 {
    color: var(--bg-white);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.page-header {
    background-color: var(--bg-light);
    padding: 150px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.125rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stat-item p {
    font-size: 1.125rem;
    color: var(--text-medium);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: var(--font-text);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(205, 162, 116, 0.1);
}

.form-control.error {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-control.error + .error-message {
    display: block;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.divider-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin: 60px 0;
}

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

.advantage-item {
    text-align: center;
}

.advantage-item h4 {
    margin-bottom: 1rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.category-card:hover {
    background-color: var(--accent-gold);
    color: var(--bg-white);
    transform: translateY(-4px);
}

.category-card h4 {
    margin-bottom: 0.75rem;
}

.category-card:hover h4 {
    color: var(--bg-white);
}

.faq-item {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.faq-item h4 {
    margin-bottom: 1rem;
}

@media (max-width: 991px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .burger-menu.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .burger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger-menu.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.cart-item-image {
    width: 120px;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

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

.cart-item-details h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-item-quantity .quantity {
    font-size: 1.25rem;
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

.cart-item-subtotal {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-gold);
    min-width: 100px;
    text-align: right;
}

.cart-summary {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    position: sticky;
    top: 100px;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
}

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

@media (max-width: 768px) {
    .cart-item {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .cart-item-image {
        width: 100%;
        height: 200px;
    }
    
    .cart-item-quantity {
        justify-content: center;
    }
    
    .cart-item-subtotal {
        text-align: center;
    }
}

@media (max-width: 576px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .section-padding {
        padding: 40px 0;
    }
}