/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #667eea;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #667eea;
}

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(45deg, #ff6b6b, #ffd93d, #6bcf7f, #4d9de0);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-button {
    background: linear-gradient(45deg, #ff6b6b, #ffd93d);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-books {
    position: relative;
    width: 300px;
    height: 300px;
}

.book {
    position: absolute;
    font-size: 3rem;
    animation: float 6s ease-in-out infinite;
}

.book-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.book-2 {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation-delay: 2s;
}

.book-3 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(5deg); }
    66% { transform: translateY(10px) rotate(-5deg); }
}

/* Sections */
.trending, .genres, .reviews {
    padding: 5rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
}

/* Books Grid */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.book-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.book-cover {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.book-image {
    width: 120px;
    height: 180px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.book-emoji {
    font-size: 3rem;
}

.gradient-bg-1 { background: linear-gradient(45deg, #ff9a9e, #fecfef); }
.gradient-bg-2 { background: linear-gradient(45deg, #a18cd1, #fbc2eb); }
.gradient-bg-3 { background: linear-gradient(45deg, #fad0c4, #ffd1ff); }
.gradient-bg-4 { background: linear-gradient(45deg, #667eea, #764ba2); }
.gradient-bg-5 { background: linear-gradient(45deg, #f093fb, #f5576c); }
.gradient-bg-6 { background: linear-gradient(45deg, #4facfe, #00f2fe); }

.book-info {
    padding: 1.5rem;
}

.book-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.author {
    color: #666;
    font-style: italic;
    margin-bottom: 1rem;
}

.genre-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.genre-tag.romance { background: #ffe5e5; color: #d63384; }
.genre-tag.fantasy { background: #e5f3ff; color: #0d6efd; }
.genre-tag.drama { background: #fff3e5; color: #fd7e14; }
.genre-tag.ya { background: #f0e5ff; color: #6f42c1; }

.description {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.book-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #888;
}

.views, .rating {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Genres Grid */
.genres-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.genre-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 3px solid transparent;
}

.genre-card:hover {
    transform: translateY(-5px);
}

.romance-genre:hover { border-color: #d63384; }
.fantasy-genre:hover { border-color: #0d6efd; }
.ya-genre:hover { border-color: #6f42c1; }
.dark-genre:hover { border-color: #212529; }

.genre-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.genre-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.genre-card p {
    color: #666;
    margin-bottom: 1rem;
}

.genre-books {
    font-size: 0.9rem;
    color: #888;
    font-style: italic;
}

/* Reviews Grid */
.reviews {
    background: #f8f9fa;
}

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

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

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.reviewer h4 {
    color: #333;
    margin-bottom: 0.2rem;
}

.reviewer span {
    color: #888;
    font-size: 0.9rem;
}

.review-card p {
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.review-stats {
    display: flex;
    gap: 1rem;
    color: #888;
    font-size: 0.9rem;
}

.review-stats span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Footer */
.footer {
    background: #333;
    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 {
    margin-bottom: 1rem;
    color: #667eea;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #667eea;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .genres-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-books {
        width: 200px;
        height: 200px;
    }
    
    .book {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-logo h2 {
        font-size: 1.2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}