/* ============================================
   MOVIEHUB - 3D Entertainment Platform
   Design System: Acid Neon + Volcanic Glass
   ============================================ */

/* CSS Variables */
:root {
    /* Acid Neon Palette */
    --neon-lime: #CCFF00;
    --neon-pink: #FF3CAC;
    --neon-orange: #FF6B2B;
    --neon-coral: #FFB088;
    --dark-bg: #0D0D0D;
    --darker-bg: #1A1A2E;
    --card-bg: #1A1A1A;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #666666;
    
    /* 3D Effects */
    --perspective: 1000px;
    --card-rotate: 8deg;
    --hover-lift: -20px;
    --shadow-depth: 0 25px 50px rgba(0,0,0,0.5);
    
    /* Typography */
    --font-display: 'Clash Display', sans-serif;
    --font-body: 'Chillax', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1400px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* 3D Background Canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.header.scrolled {
    padding: 15px 40px;
    background: rgba(13, 13, 13, 0.95);
}

.nav {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transform-style: preserve-3d;
    perspective: var(--perspective);
}

.logo-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-lime) 0%, var(--neon-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-link {
    position: relative;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 30px;
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--neon-lime) 0%, var(--neon-pink) 100%);
    border-radius: 30px;
    opacity: 0;
    transform: scale(0.8) translateZ(-10px);
    transition: var(--transition-smooth);
    z-index: -1;
}

.nav-link:hover,
.nav-link.active {
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
    transform: scale(1) translateZ(0);
}

.nav-actions {
    display: flex;
    gap: 12px;
}

.search-btn,
.user-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
}

.search-btn:hover,
.user-btn:hover {
    background: var(--neon-lime);
    color: var(--dark-bg);
    transform: translateY(-3px) rotateX(10deg);
    box-shadow: 0 10px 30px rgba(204, 255, 0, 0.3);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-smooth);
}

/* ============================================
   MAIN CONTENT & PAGES
   ============================================ */
.main {
    padding-top: 100px;
    min-height: 100vh;
}

.page {
    display: none;
    animation: fadeIn 0.6s ease-out;
}

.page.active {
    display: block;
}

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: calc(100vh - 100px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 60px 40px;
    max-width: var(--container-max);
    margin: 0 auto;
    gap: 60px;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    transform-style: preserve-3d;
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--neon-lime) 0%, var(--neon-pink) 50%, var(--neon-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(30deg); }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 40px;
    border-radius: 50px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    border: none;
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.2) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-lime) 0%, var(--neon-pink) 100%);
    color: var(--dark-bg);
    box-shadow: 0 10px 40px rgba(204, 255, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 60px rgba(204, 255, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--neon-lime);
    color: var(--neon-lime);
    transform: translateY(-5px);
}

/* Hero Visual - Floating Cards */
.hero-visual {
    position: relative;
    height: 500px;
    perspective: var(--perspective);
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.float-card {
    position: absolute;
    width: 180px;
    height: 240px;
    border-radius: 20px;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: var(--transition-smooth);
    cursor: pointer;
    box-shadow: var(--shadow-depth);
}

.float-card:hover {
    transform: translateZ(50px) scale(1.1) !important;
    z-index: 10;
}

.card-image {
    width: 100%;
    height: 100%;
}

.card-label {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.7);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.card-1 {
    top: 10%;
    left: 10%;
    transform: rotateY(-15deg) rotateX(10deg) translateZ(20px);
    animation: float1 6s ease-in-out infinite;
}

.card-2 {
    top: 30%;
    right: 10%;
    transform: rotateY(15deg) rotateX(-5deg) translateZ(40px);
    animation: float2 7s ease-in-out infinite;
}

.card-3 {
    bottom: 10%;
    left: 25%;
    transform: rotateY(-10deg) rotateX(5deg) translateZ(30px);
    animation: float3 5s ease-in-out infinite;
}

.card-4 {
    bottom: 20%;
    right: 20%;
    transform: rotateY(20deg) rotateX(-10deg) translateZ(50px);
    animation: float4 8s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: rotateY(-15deg) rotateX(10deg) translateZ(20px) translateY(0); }
    50% { transform: rotateY(-15deg) rotateX(10deg) translateZ(20px) translateY(-20px); }
}

@keyframes float2 {
    0%, 100% { transform: rotateY(15deg) rotateX(-5deg) translateZ(40px) translateY(0); }
    50% { transform: rotateY(15deg) rotateX(-5deg) translateZ(40px) translateY(-15px); }
}

@keyframes float3 {
    0%, 100% { transform: rotateY(-10deg) rotateX(5deg) translateZ(30px) translateY(0); }
    50% { transform: rotateY(-10deg) rotateX(5deg) translateZ(30px) translateY(-25px); }
}

@keyframes float4 {
    0%, 100% { transform: rotateY(20deg) rotateX(-10deg) translateZ(50px) translateY(0); }
    50% { transform: rotateY(20deg) rotateX(-10deg) translateZ(50px) translateY(-18px); }
}

/* ============================================
   SECTIONS & CONTENT
   ============================================ */
.featured-section {
    padding: var(--section-padding) 40px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-lime), var(--neon-pink));
    border-radius: 2px;
}

/* ============================================
   CONTENT GRID & CARDS
   ============================================ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    perspective: var(--perspective);
}

.content-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.content-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.9) 100%);
    z-index: 1;
    opacity: 0;
    transition: var(--transition-smooth);
}

.content-card:hover {
    transform: translateY(var(--hover-lift)) rotateX(5deg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), 
                0 0 40px rgba(204, 255, 0, 0.1);
    border-color: rgba(204, 255, 0, 0.3);
}

.content-card:hover::before {
    opacity: 1;
}

.card-poster {
    width: 100%;
    aspect-ratio: 2/3;
    background: linear-gradient(135deg, var(--darker-bg) 0%, #2a2a4a 100%);
    position: relative;
    overflow: hidden;
}

.card-poster-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    z-index: 2;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.content-card:hover .card-info {
    transform: translateY(0);
    opacity: 1;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
}

.card-meta {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-rating {
    color: var(--neon-lime);
    font-weight: 600;
}

.card-year {
    color: var(--text-muted);
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--neon-pink);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    transform: translateZ(30px);
}

/* ============================================
   PAGE HEADERS
   ============================================ */
.page-header {
    padding: 80px 40px 40px;
    text-align: center;
    max-width: var(--container-max);
    margin: 0 auto;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--neon-lime) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 0 40px 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--neon-lime);
    color: var(--dark-bg);
    border-color: var(--neon-lime);
    transform: translateY(-2px);
}

/* ============================================
   CARTOONS PAGE
   ============================================ */
.cartoons-header {
    background: linear-gradient(180deg, rgba(204, 255, 0, 0.1) 0%, transparent 100%);
}

.cartoons-hero {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 40px;
    flex-wrap: wrap;
}

.cartoon-character {
    font-size: 5rem;
    animation: bounce 2s ease-in-out infinite;
    cursor: pointer;
    transition: var(--transition-bounce);
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

.cartoon-character:hover {
    transform: scale(1.3) rotate(10deg);
    filter: drop-shadow(0 20px 40px rgba(204, 255, 0, 0.4));
}

.cartoon-character:nth-child(1) { animation-delay: 0s; }
.cartoon-character:nth-child(2) { animation-delay: 0.2s; }
.cartoon-character:nth-child(3) { animation-delay: 0.4s; }
.cartoon-character:nth-child(4) { animation-delay: 0.6s; }

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

/* ============================================
   TV SERIES PAGE
   ============================================ */
.series-marquee {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-orange));
    padding: 15px 0;
    overflow: hidden;
    margin-bottom: 40px;
}

.marquee-content {
    display: flex;
    gap: 60px;
    animation: marquee 20s linear infinite;
    white-space: nowrap;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   ANIME PAGE
   ============================================ */
.anime-header {
    background: linear-gradient(180deg, rgba(255, 59, 172, 0.1) 0%, transparent 100%);
}

.anime-header .page-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.jp-text {
    font-size: 0.6em;
    opacity: 0.7;
    letter-spacing: 0.3em;
}

.anime-categories {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 0 40px 40px;
    flex-wrap: wrap;
}

.anime-cat {
    padding: 12px 28px;
    background: rgba(255, 59, 172, 0.1);
    border: 1px solid rgba(255, 59, 172, 0.3);
    border-radius: 30px;
    color: var(--neon-pink);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.anime-cat:hover {
    background: var(--neon-pink);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 59, 172, 0.3);
}

/* ============================================
   REVIEWS PAGE
   ============================================ */
.reviews-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    transform-style: preserve-3d;
    transition: var(--transition-smooth);
}

.stat-item:hover {
    transform: translateZ(20px);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-lime) 0%, var(--neon-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    padding: 40px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.review-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
    transform-style: preserve-3d;
}

.review-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    border-color: rgba(204, 255, 0, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-lime) 0%, var(--neon-pink) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.review-meta {
    flex: 1;
}

.review-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.review-rating {
    color: var(--neon-lime);
    font-size: 0.9rem;
}

.review-content {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.review-movie {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
    color: var(--neon-lime);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.5) 100%);
    padding: 80px 40px 40px;
    margin-top: 100px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-tagline {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

.footer-col a:hover {
    color: var(--neon-lime);
    transform: translateX(5px);
}

.footer-bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    font-size: 1.5rem;
    transition: var(--transition-smooth);
    filter: grayscale(1);
}

.social-links a:hover {
    transform: translateY(-5px) scale(1.2);
    filter: grayscale(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
        height: 350px;
    }
    
    .hero-subtitle {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-bg);
        flex-direction: column;
        padding: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .content-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 15px;
    }
    
    .featured-section {
        padding: 60px 20px;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-lime) 0%, var(--neon-pink) 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-lime);
}

/* Selection */
::selection {
    background: var(--neon-lime);
    color: var(--dark-bg);
}