/* ===== BOOK HERO SECTION ===== */
.book-hero {
    padding: 140px 5% 80px;
    background: linear-gradient(135deg, #f5f0e8 0%, #ede5d8 100%);
    position: relative;
}

body.light-mode .book-hero {
    background: linear-gradient(135deg, #2a2a2a 0%, #333333 100%);
}

.book-hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.book-hero-content {
    flex: 1;
}

.book-badge {
    display: inline-block;
    font-size: 14px;
    letter-spacing: 3px;
    color: var(--gold-dark);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.book-hero-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 52px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.book-hero-subtitle {
    font-size: 20px;
    font-style: italic;
    color: var(--gold-dark);
    margin-bottom: 20px;
}

.book-hero-description {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 500px;
}

.book-hero-image {
    flex: 1;
    text-align: center;
}

.book-hero-image img {
    max-width: 320px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 25px 45px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.book-hero-image img:hover {
    transform: translateY(-8px);
}

@media (max-width: 768px) {
    .book-hero {
        padding: 120px 5% 50px;
    }
    
    .book-hero-container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .book-hero-content {
        text-align: center;
    }
    
    .book-hero-description {
        max-width: 100%;
    }
    
    .book-hero-title {
        font-size: 36px;
    }
    
    .book-hero-subtitle {
        font-size: 18px;
    }
    
    .book-hero-image img {
        max-width: 250px;
    }
}

/* ===== PURCHASE OPTIONS SECTION ===== */
.purchase-section {
    padding: 60px 0 80px;
    background: var(--bg-white);
}

.purchase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.purchase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.purchase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: var(--gold-primary);
}

.purchase-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.purchase-card h3 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.purchase-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--gold-primary);
    margin-bottom: 8px;
}

.purchase-note {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.purchase-card .btn {
    width: 100%;
    padding: 12px;
    font-size: 14px;
}

.delivery-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 30px;
}

@media (max-width: 768px) {
    .purchase-section {
        padding: 40px 0 60px;
    }
    
    .purchase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 10px;
    }
    
    .purchase-card {
        padding: 20px 15px;
    }
    
    .purchase-price {
        font-size: 24px;
    }
    
    .purchase-card h3 {
        font-size: 18px;
    }
    
    .purchase-icon {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .purchase-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
    }
}

/* ===== MODAL STYLES ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-white);
    margin: 40px auto;
    padding: 30px;
    border: 1px solid var(--gold-primary);
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s;
}

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

.modal-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 28px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.book-preview {
    text-align: center;
    margin-bottom: 20px;
}

.book-preview img {
    max-width: 100px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.price {
    font-size: 24px;
    font-weight: 700;
    color: var(--gold-primary);
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    background: var(--bg-white);
    color: var(--text-dark);
}

.form-group input:focus {
    outline: none;
    border-color: var(--gold-primary);
}

.form-group small {
    display: block;
    font-size: 11px;
    color: var(--text-light);
    margin-top: 5px;
}

.card-details-wrapper {
    background: var(--bg-card);
    padding: 15px;
    border-radius: 12px;
}

.card-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    margin-bottom: 10px;
    background: var(--bg-white);
    color: var(--text-dark);
}

.card-row {
    display: flex;
    gap: 10px;
}

.card-row .card-input {
    width: 50%;
    margin-bottom: 0;
}

#submitPayment {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 10px;
}

.secure-note {
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 20px;
}

@media (max-width: 768px) {
    .modal-content {
        margin: 20px auto;
        padding: 25px 20px;
    }
    
    .modal-content h2 {
        font-size: 24px;
    }
    
    .price {
        font-size: 20px;
    }
}