/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #8B4513;
    --secondary-color: #DAA520;
    --accent-color: #CD853F;
    --text-color: #2C1810;
    --light-bg: #FFF8DC;
    --dark-bg: #1A1A1A;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
}

body {
    font-family: 'Cairo', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-bg);
}

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

/* Header */
.header {
    background: rgba(139, 69, 19, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand h2 {
    color: var(--secondary-color);
    font-family: 'Amiri', serif;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23DAA520" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
    padding-top: 100px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--secondary-color);
    display: block;
    font-family: 'Amiri', serif;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-features {
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

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

.btn-primary:hover {
    background: #B8860B;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(218, 165, 32, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.3rem;
}

.book-showcase {
    position: relative;
    text-align: center;
}

.book-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transform: perspective(1000px) rotateY(-15deg);
    transition: transform 0.3s;
}

.book-image:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.book-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--secondary-color);
    color: var(--dark-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

/* About Book Section */
.about-book {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-family: 'Amiri', serif;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

.book-details {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.book-cover img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.book-info h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'Amiri', serif;
}

.book-info h4 {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
}

.author-info {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
}

.author-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.book-highlights h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.book-highlights ul {
    list-style: none;
}

.book-highlights li {
    padding: 0.5rem 0;
    position: relative;
    padding-right: 2rem;
}

.book-highlights li:before {
    content: "✓";
    position: absolute;
    right: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Book Contents */
.book-contents {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 12px;
}

.book-contents h4 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    font-family: 'Amiri', serif;
    font-size: 1.8rem;
}

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

.contents-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contents-section h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.contents-list {
    list-style: none;
    padding: 0;
}

.contents-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-right: 1.5rem;
    line-height: 1.5;
    font-size: 0.9rem;
    color: #555;
}

.contents-list li:before {
    content: "•";
    position: absolute;
    right: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.book-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    margin-top: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.stat-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: var(--light-bg);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.pricing-card.featured {
    border: 3px solid var(--secondary-color);
    transform: scale(1.05);
}

.pricing-card.premium {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.pricing-card.premium .pricing-header h3 {
    color: white;
}

.pricing-badge {
    background: var(--success-color);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-badge.discount {
    background: var(--warning-color);
    color: var(--dark-bg);
}

.pricing-badge.premium {
    background: var(--secondary-color);
    color: var(--dark-bg);
}

.price-section {
    margin-bottom: 2rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--light-bg);
    border-radius: 8px;
}

.pricing-card.premium .price-item {
    background: rgba(255,255,255,0.1);
}

.location {
    font-weight: 600;
}

.price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.pricing-card.premium .price {
    color: var(--secondary-color);
}

.old-price {
    text-decoration: line-through;
    color: #999;
    font-size: 1rem;
    margin-left: 0.5rem;
}

.note {
    font-size: 0.8rem;
    color: #666;
}

.pricing-card.premium .note {
    color: rgba(255,255,255,0.8);
}

.features {
    list-style: none;
}

.features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features i {
    color: var(--success-color);
}

.pricing-card.premium .features i {
    color: var(--secondary-color);
}

/* Order Section */
.order-section {
    padding: 6rem 0;
    background: white;
}

.order-form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--light-bg);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.payment-section {
    margin: 2rem 0;
}

.payment-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.payment-options {
    display: flex;
    gap: 2rem;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.payment-option input[type="radio"] {
    width: 20px;
    height: 20px;
}

.payment-option label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 600;
}

.form-actions {
    text-align: center;
    margin-top: 2rem;
}

.form-note {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(218, 165, 32, 0.1);
    border-radius: 8px;
    border-right: 4px solid var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .book-details {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .payment-options {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .order-form-container {
        padding: 2rem 1rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .btn-large {
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    text-align: center;
    font-weight: 600;
}

.message.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.message.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}