/* 
* Solo Leveling Manga Website
* Main Stylesheet - Simplified Version
*/

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary-color: #6a3de8;
    --secondary-color: #3d85e8;
    --accent-color: #e83d6a;
    --dark-bg: #f5f5f7;
    --darker-bg: #e8e8e8;
    --light-bg: #ffffff;
    --lighter-bg: #f0f0f0;
    --text-color: #333333;
    --text-muted: #666666;
    --border-color: #dddddd;
    
    /* Typography */
    --font-main: 'Poppins', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --font-size-base: 16px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

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

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

a:hover {
    color: var(--primary-color);
}

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    outline: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    outline: none;
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
    background-color: #5a33c7;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #3272c4;
    transform: translateY(-2px);
}

.btn-read {
    background-color: var(--secondary-color);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: white;
}

.btn-read:hover {
    background-color: #3373c7;
    transform: translateY(-2px);
}

.btn-view-all {
    margin-top: var(--spacing-lg);
    background-color: var(--primary-color);
    color: white;
}

.btn-view-all:hover {
    background-color: #5a33c7;
    transform: translateY(-2px);
}

/* ===== Header ===== */
.site-header {
    background-color: var(--light-bg);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

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

.logo img {
    height: 50px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: all var(--transition-fast);
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin: 0 var(--spacing-md);
}

.nav-menu a {
    font-weight: 500;
    position: relative;
    color: var(--text-color);
}

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

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

/* ===== Hero Section ===== */
.hero-section {
    background: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    text-align: left;
    padding-right: var(--spacing-lg);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 500px;
}

.hero-image img {
    max-height: 500px;
    object-fit: contain;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0px);
    }
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

/* ===== Video Section ===== */
.video-section {
    background-color: var(--lighter-bg);
    padding: var(--spacing-xl) 0;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-description {
    margin-top: var(--spacing-md);
    text-align: center;
}

.share-buttons {
    margin-top: var(--spacing-sm);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.btn-share {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-share:hover {
    background-color: #3373c7;
    color: white;
}

.btn-share i {
    font-size: 1rem;
}

/* ===== Chapters Section ===== */
.chapters-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--dark-bg);
}

.filter-options {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--spacing-lg);
}

.filter-options select {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
}

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.chapter-card {
    background-color: var(--light-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--border-color);
    height: 100%;
}

.chapter-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.chapter-info {
    padding: var(--spacing-md);
    position: relative;
}

.chapter-info h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.chapter-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.chapter-description {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
    line-height: 1.5;
}

.new-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--accent-color);
    color: white;
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    z-index: 1;
}

.chapters-pagination {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== Chapters List Section ===== */
.chapters-list-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--dark-bg);
}

.chapters-list ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    list-style: none;
}

.chapters-list li {
    margin-bottom: var(--spacing-sm);
}

.chapters-list a {
    display: block;
    padding: var(--spacing-md);
    background-color: var(--light-bg);
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
}

.chapters-list a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* ===== SEO Content Section ===== */
.seo-content {
    background-color: var(--light-bg);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.seo-text {
    margin-bottom: var(--spacing-lg);
}

.seo-text h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.seo-text h3 {
    font-size: 1.4rem;
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.seo-text p {
    margin-bottom: var(--spacing-md);
}

.seo-text ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    list-style-type: disc;
}

.seo-text li {
    margin-bottom: var(--spacing-sm);
}

.related-content h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
}

.related-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.related-links a {
    display: block;
    padding: var(--spacing-md);
    background-color: var(--lighter-bg);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
}

.related-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--lighter-bg);
    padding-top: var(--spacing-xl);
    position: relative;
    border-top: 1px solid var(--border-color);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-logo img {
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.footer-logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1px;
}

.footer-nav h4,
.footer-social h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-nav h4::after,
.footer-social h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-nav ul li {
    margin-bottom: var(--spacing-sm);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--light-bg);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 999;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: #5a33c7;
}