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

:root {
    /* Cores Avelion (O Buraco na Árvore) */
    --avelion-primary: #2d5016;
    --avelion-secondary: #d4af37;
    --avelion-accent: #8fbc8f;
    --avelion-light: #f0f8e8;
    
    /* Cores Nivareth (O Inverno de Nivareth) */
    --nivareth-primary: #1e3a5f;
    --nivareth-secondary: #87ceeb;
    --nivareth-accent: #b0e0e6;
    --nivareth-light: #f0f8ff;
    
    /* Cores Galthor (A Queda das Sombras) */
    --galthor-primary: #8b0000;
    --galthor-secondary: #2f1b14;
    --galthor-accent: #cd853f;
    --galthor-light: #fdf5e6;
    
    /* Cores Desenvolvimento Pessoal */
    --dev-primary: #2c3e50;
    --dev-secondary: #3498db;
    --dev-accent: #ecf0f1;
    --dev-light: #ffffff;
    
    /* Cores Gerais */
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --bg-light: #fafafa;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Fontes */
    --font-fantasy: 'Cinzel', serif;
    --font-body: 'Open Sans', sans-serif;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px var(--shadow);
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo h1 {
    font-family: var(--font-fantasy);
    font-size: 1.8rem;
    color: var(--avelion-primary);
    background: linear-gradient(45deg, var(--avelion-primary), var(--avelion-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--avelion-primary);
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--avelion-light) 0%, var(--avelion-accent) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-family: var(--font-fantasy);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--avelion-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--avelion-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, var(--avelion-primary), var(--avelion-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(45, 80, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 80, 22, 0.4);
}

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

.btn-secondary:hover {
    background: var(--avelion-primary);
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: scale(1.05);
}

/* Particles Animation */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(143, 188, 143, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(212, 175, 55, 0.2) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Biblioteca Section */
.biblioteca {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-title {
    font-family: var(--font-fantasy);
    font-size: 2.5rem;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 3rem;
    opacity: 0.8;
}

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

.book-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

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

.book-card.fantasy {
    border-top: 4px solid var(--avelion-secondary);
}

.book-card.development {
    border-top: 4px solid var(--dev-secondary);
}

.book-cover {
    position: relative;
    overflow: hidden;
}

.book-cover img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.book-card:hover .book-cover img {
    transform: scale(1.1);
}

.btn-overlay {
    background: var(--avelion-secondary);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-overlay:hover {
    background: var(--avelion-primary);
    transform: scale(1.05);
}

.book-info {
    padding: 1.5rem;
}

.book-info h3 {
    font-family: var(--font-fantasy);
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.book-info p {
    color: var(--text-dark);
    opacity: 0.8;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.book-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--avelion-primary);
}

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

.btn-book {
    background: linear-gradient(45deg, var(--avelion-primary), var(--avelion-secondary));
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-book:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(45, 80, 22, 0.3);
}

/* Why Read Section */
.why-read {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--avelion-primary) 0%, var(--avelion-secondary) 100%);
    color: white;
}

.why-read .section-title {
    color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

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

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

.feature h3 {
    font-family: var(--font-fantasy);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--text-dark);
    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 {
    font-family: var(--font-fantasy);
    margin-bottom: 1rem;
    color: var(--avelion-secondary);
}

.footer-section p {
    opacity: 0.8;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--avelion-secondary);
}

.social-links a {
    color: var(--avelion-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: white;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        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;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .books-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 250px;
    }
}