/* ========================================
   Minecraft Reimagined - Premium Demo
   Modern, Animated Single-Page Website
   ======================================== */

/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
    /* Minecraft-Inspired Color Palette */
    --mc-grass: #5D8C3C;
    --mc-grass-dark: #4A7C2A;
    --mc-dirt: #8B5A2B;
    --mc-dirt-dark: #6B4423;
    --mc-stone: #7F7F7F;
    --mc-stone-dark: #5F5F5F;
    --mc-diamond: #4AEDD9;
    --mc-emerald: #17DD62;
    --mc-gold: #FCEE4B;
    --mc-redstone: #FF0000;
    --mc-lapis: #345EC3;
    --mc-obsidian: #1E1B2E;
    --mc-netherrack: #732828;
    --mc-endstone: #DBDE9F;
    --mc-purpur: #A77BA7;

    /* UI Colors */
    --bg-primary: #0D0D0D;
    --bg-secondary: #1A1A1F;
    --bg-tertiary: #252530;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B8;
    --text-muted: #6A6A75;
    --accent: #5D8C3C;
    --accent-light: #7BAF5A;
    --accent-glow: rgba(93, 140, 60, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-hover: rgba(255, 255, 255, 0.06);
    
    /* Sizing */
    --container-max: 1400px;
    --section-padding: 120px;
    --nav-height: 80px;
    
    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 0.2s var(--ease-out-quart);
    --transition-normal: 0.4s var(--ease-out-expo);
    --transition-slow: 0.8s var(--ease-out-expo);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* ========================================
   Loading Screen
   ======================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader {
    display: grid;
    grid-template-columns: repeat(2, 30px);
    gap: 8px;
}

.loader-block {
    width: 30px;
    height: 30px;
    background: var(--mc-grass);
    animation: loaderPulse 1s ease-in-out infinite;
}

.loader-block:nth-child(1) { animation-delay: 0s; background: var(--mc-grass); }
.loader-block:nth-child(2) { animation-delay: 0.1s; background: var(--mc-dirt); }
.loader-block:nth-child(3) { animation-delay: 0.2s; background: var(--mc-stone); }
.loader-block:nth-child(4) { animation-delay: 0.3s; background: var(--mc-diamond); }

@keyframes loaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.8); opacity: 0.5; }
}

.loader-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    height: var(--nav-height);
    transition: all var(--transition-normal);
}

.navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(13, 13, 13, 0);
    backdrop-filter: blur(0);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.navbar.scrolled::before {
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(20px);
}

.navbar.scrolled {
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 2px;
    transition: transform var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    transition: transform var(--transition-normal);
}

.nav-logo:hover .logo-icon {
    transform: rotate(15deg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-link {
    position: relative;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 100;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.nav-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--mc-grass), var(--mc-diamond));
    width: 0;
    transition: width 0.1s linear;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--mc-grass) 0%, var(--mc-grass-dark) 100%);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--card-hover);
    border-color: var(--accent);
}

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-large {
    padding: 20px 48px;
    font-size: 1rem;
}

.btn svg {
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 70%);
}

.hero-scene {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* Voxel Grid Background */
.voxel-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(93, 140, 60, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(93, 140, 60, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(1000px) rotateX(60deg) scale(2);
    transform-origin: center top;
    opacity: 0.5;
    animation: gridPulse 10s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Floating Blocks */
.floating-blocks {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.block {
    position: absolute;
    width: 60px;
    height: 60px;
    transform-style: preserve-3d;
    animation: floatBlock 8s ease-in-out infinite;
}

.block::before,
.block::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
}

/* Block positions and colors */
.block-grass {
    top: 15%;
    left: 10%;
    background: linear-gradient(180deg, var(--mc-grass) 0%, var(--mc-grass) 30%, var(--mc-dirt) 30%);
    box-shadow: inset 0 0 0 3px rgba(0,0,0,0.2), 0 20px 60px rgba(93, 140, 60, 0.3);
    animation-delay: 0s;
}

.block-stone {
    top: 60%;
    left: 5%;
    background: linear-gradient(135deg, var(--mc-stone) 0%, var(--mc-stone-dark) 100%);
    box-shadow: inset 0 0 0 3px rgba(0,0,0,0.2), 0 20px 60px rgba(127, 127, 127, 0.3);
    animation-delay: -2s;
}

.block-diamond {
    top: 20%;
    right: 15%;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--mc-diamond) 0%, #2ED9C5 100%);
    box-shadow: inset 0 0 0 3px rgba(255,255,255,0.3), 0 20px 60px rgba(74, 237, 217, 0.4);
    animation-delay: -4s;
}

.block-gold {
    top: 70%;
    right: 10%;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--mc-gold) 0%, #E5C100 100%);
    box-shadow: inset 0 0 0 3px rgba(0,0,0,0.1), 0 20px 60px rgba(252, 238, 75, 0.4);
    animation-delay: -1s;
}

.block-emerald {
    top: 45%;
    left: 15%;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--mc-emerald) 0%, #0FA34C 100%);
    box-shadow: inset 0 0 0 3px rgba(255,255,255,0.2), 0 20px 60px rgba(23, 221, 98, 0.4);
    animation-delay: -3s;
}

.block-redstone {
    bottom: 20%;
    right: 20%;
    width: 35px;
    height: 35px;
    background: var(--mc-redstone);
    box-shadow: inset 0 0 0 3px rgba(0,0,0,0.2), 0 20px 60px rgba(255, 0, 0, 0.4);
    animation: floatBlock 8s ease-in-out infinite, pulseGlow 2s ease-in-out infinite;
    animation-delay: -5s;
}

@keyframes floatBlock {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(5deg); }
    50% { transform: translateY(-15px) rotate(-3deg); }
    75% { transform: translateY(-40px) rotate(3deg); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: inset 0 0 0 3px rgba(0,0,0,0.2), 0 20px 60px rgba(255, 0, 0, 0.4); }
    50% { box-shadow: inset 0 0 0 3px rgba(0,0,0,0.2), 0 20px 80px rgba(255, 0, 0, 0.7); }
}

/* Hero Content */
.hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s forwards;
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(60px);
    animation: fadeInUp 1s var(--ease-out-expo) forwards;
}

.title-line:nth-child(1) { animation-delay: 0.4s; }
.title-line:nth-child(2) { animation-delay: 0.5s; }

.title-line.accent {
    background: linear-gradient(135deg, var(--mc-grass) 0%, var(--mc-diamond) 50%, var(--mc-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.7s forwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.9s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out-expo) 1.2s forwards;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

.scroll-indicator span {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Hero Zoom Overlay */
.hero-zoom-overlay {
    position: absolute;
    inset: 0;
    background: var(--bg-primary);
    opacity: 0;
    pointer-events: none;
    z-index: 100;
}

/* ========================================
   Section Styles
   ======================================== */
section {
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-title .accent {
    background: linear-gradient(135deg, var(--mc-grass) 0%, var(--mc-diamond) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ========================================
   Horizontal Scroll Section
   ======================================== */
.showcase-section {
    min-height: 100vh;
    background: var(--bg-secondary);
    position: relative;
}

.showcase-header {
    text-align: center;
    padding: 100px 24px 60px;
}

.horizontal-scroll-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.horizontal-scroll-container {
    position: relative;
    height: 100vh;
}

.horizontal-panels {
    display: flex;
    height: 100%;
    will-change: transform;
}

.h-panel {
    flex: 0 0 100vw;
    width: 100vw;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    overflow: hidden;
}

.panel-bg {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    pointer-events: none;
}

.panel-blocks {
    position: absolute;
    inset: 0;
    background-size: 80px 80px;
    opacity: 0.3;
}

.survival-blocks {
    background-image: 
        linear-gradient(var(--mc-grass) 2px, transparent 2px),
        linear-gradient(90deg, var(--mc-grass) 2px, transparent 2px);
}

.creative-blocks {
    background-image: 
        linear-gradient(var(--mc-lapis) 2px, transparent 2px),
        linear-gradient(90deg, var(--mc-lapis) 2px, transparent 2px);
}

.mobs-blocks {
    background-image: 
        linear-gradient(#2d2d2d 2px, transparent 2px),
        linear-gradient(90deg, #2d2d2d 2px, transparent 2px);
}

.redstone-blocks {
    background-image: 
        linear-gradient(var(--mc-redstone) 2px, transparent 2px),
        linear-gradient(90deg, var(--mc-redstone) 2px, transparent 2px);
}

.multiplayer-blocks {
    background-image: 
        linear-gradient(var(--mc-lapis) 2px, transparent 2px),
        linear-gradient(90deg, var(--mc-lapis) 2px, transparent 2px);
}

.panel-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
    text-align: left;
}

.panel-icon {
    margin-bottom: 24px;
    opacity: 0.9;
}

.panel-icon svg {
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.panel-number {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.panel-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.panel-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.panel-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--mc-grass) 0%, var(--mc-diamond) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.horizontal-progress {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 100;
}

.horizontal-progress.visible {
    opacity: 1;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--mc-grass), var(--mc-diamond));
    width: 0;
    transition: width 0.1s linear;
}

/* ========================================
   Biomes Section
   ======================================== */
.biomes-section {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.biomes-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.biomes-header {
    text-align: center;
    margin-bottom: 80px;
}

.biomes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.biome-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.biome-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 30px 60px -20px rgba(93, 140, 60, 0.3);
}

.biome-card.large {
    grid-column: span 2;
}

.biome-visual {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.biome-card.large .biome-visual {
    height: 280px;
}

.biome-layers {
    position: absolute;
    inset: 0;
}

.biome-layer {
    position: absolute;
    inset: 0;
    transition: transform var(--transition-slow);
}

/* Forest Biome */
[data-biome="forest"] .layer-back {
    background: linear-gradient(180deg, #87CEEB 0%, #98D4E5 100%);
}
[data-biome="forest"] .layer-mid {
    background: linear-gradient(180deg, transparent 40%, var(--mc-grass) 40%);
}
[data-biome="forest"] .layer-front {
    background: linear-gradient(180deg, transparent 50%, var(--mc-grass-dark) 50%, var(--mc-dirt) 80%);
}

/* Desert Biome */
[data-biome="desert"] .layer-back {
    background: linear-gradient(180deg, #FDB777 0%, #F5DEB3 100%);
}
[data-biome="desert"] .layer-mid {
    background: linear-gradient(180deg, transparent 30%, #E8C97A 30%);
}
[data-biome="desert"] .layer-front {
    background: linear-gradient(180deg, transparent 50%, #D4A84B 50%, #C4943C 80%);
}

/* Snow Biome */
[data-biome="snow"] .layer-back {
    background: linear-gradient(180deg, #B8D4E8 0%, #E8F1F5 100%);
}
[data-biome="snow"] .layer-mid {
    background: linear-gradient(180deg, transparent 35%, #FFFFFF 35%);
}
[data-biome="snow"] .layer-front {
    background: linear-gradient(180deg, transparent 55%, #E8E8E8 55%, #D0D0D0 85%);
}

/* Jungle Biome */
[data-biome="jungle"] .layer-back {
    background: linear-gradient(180deg, #4A7C59 0%, #5D8C3C 100%);
}
[data-biome="jungle"] .layer-mid {
    background: linear-gradient(180deg, transparent 25%, #3D6B3D 25%);
}
[data-biome="jungle"] .layer-front {
    background: linear-gradient(180deg, transparent 45%, #2D5A2D 45%, var(--mc-dirt) 80%);
}

/* Nether */
[data-biome="nether"] .layer-back {
    background: linear-gradient(180deg, #2D0A0A 0%, #4A1515 100%);
}
[data-biome="nether"] .layer-mid {
    background: linear-gradient(180deg, transparent 30%, var(--mc-netherrack) 30%);
}
[data-biome="nether"] .layer-front {
    background: linear-gradient(180deg, transparent 60%, #551818 60%);
}

.lava-flow {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, transparent 0%, #FF4500 40%, #FF6B00 100%);
    animation: lavaGlow 2s ease-in-out infinite;
}

@keyframes lavaGlow {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* End */
[data-biome="end"] .layer-back {
    background: linear-gradient(180deg, #0D0015 0%, #1A0A2E 100%);
}
[data-biome="end"] .layer-mid {
    background: linear-gradient(180deg, transparent 40%, var(--mc-endstone) 40%);
}
[data-biome="end"] .layer-front {
    background: linear-gradient(180deg, transparent 60%, #C5C88F 60%);
}

.end-particles {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--mc-purpur) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: endParticles 20s linear infinite;
    opacity: 0.4;
}

@keyframes endParticles {
    0% { transform: translateY(0); }
    100% { transform: translateY(-100%); }
}

.biome-card:hover .layer-back { transform: translateY(-10px); }
.biome-card:hover .layer-mid { transform: translateY(-5px); }

.biome-blocks {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 8px;
}

.mini-block {
    width: 24px;
    height: 24px;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.mini-block.oak { background: var(--mc-dirt); }
.mini-block.sand { background: #E8C97A; }
.mini-block.sandstone { background: #D4A84B; }
.mini-block.cactus { background: #0B5E0B; }
.mini-block.snow { background: #FFFFFF; }
.mini-block.ice { background: #A5D6E7; }
.mini-block.spruce { background: #2D4A2D; }
.mini-block.jungle { background: #5D8040; }
.mini-block.vine { background: #2D5A2D; }
.mini-block.melon { background: #7BBC45; }
.mini-block.netherrack { background: var(--mc-netherrack); }
.mini-block.glowstone { background: #FFDD00; }
.mini-block.nether-brick { background: #3D1E1E; }
.mini-block.endstone { background: var(--mc-endstone); }
.mini-block.obsidian { background: var(--mc-obsidian); }
.mini-block.purpur { background: var(--mc-purpur); }

.biome-info {
    padding: 24px;
}

.biome-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.biome-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.biome-card.large .biome-info p {
    max-width: 400px;
}

/* ========================================
   Sticky Worlds Section
   ======================================== */
.worlds-section {
    min-height: 400vh;
    position: relative;
    background: var(--bg-secondary);
}

.sticky-container {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sticky-content {
    max-width: var(--container-max);
    width: 100%;
    padding: 0 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.worlds-visual {
    position: relative;
    height: 500px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.5);
}

.world-scene {
    position: absolute;
    inset: 0;
}

.world-layer {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
    transform: scale(1.1);
}

.world-layer.active {
    opacity: 1;
    transform: scale(1);
}

/* Overworld */
.world-overworld {
    background: linear-gradient(180deg, #87CEEB 0%, #7EC8E3 30%, var(--mc-grass) 60%, var(--mc-dirt) 85%, var(--mc-stone) 100%);
}

.world-sun {
    position: absolute;
    top: 20%;
    right: 20%;
    width: 60px;
    height: 60px;
    background: #FFDD00;
    border-radius: 50%;
    box-shadow: 0 0 60px 20px rgba(255, 221, 0, 0.4);
    animation: sunGlow 4s ease-in-out infinite;
}

@keyframes sunGlow {
    0%, 100% { box-shadow: 0 0 60px 20px rgba(255, 221, 0, 0.4); }
    50% { box-shadow: 0 0 80px 30px rgba(255, 221, 0, 0.6); }
}

.world-clouds {
    position: absolute;
    top: 10%;
    left: 0;
    right: 0;
    height: 40px;
    background: 
        radial-gradient(ellipse 60px 30px at 20% 50%, white 50%, transparent 50%),
        radial-gradient(ellipse 80px 35px at 50% 50%, white 50%, transparent 50%),
        radial-gradient(ellipse 50px 25px at 80% 50%, white 50%, transparent 50%);
    animation: cloudMove 30s linear infinite;
    opacity: 0.9;
}

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

/* Caves */
.world-caves {
    background: linear-gradient(180deg, var(--mc-stone-dark) 0%, #3A3A3A 30%, #2A2A2A 60%, #1A1A1A 100%);
}

.world-crystals {
    position: absolute;
    bottom: 30%;
    left: 30%;
    width: 100px;
    height: 100px;
    background: 
        linear-gradient(135deg, var(--mc-diamond) 0%, transparent 50%),
        linear-gradient(-135deg, var(--mc-emerald) 0%, transparent 50%);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation: crystalGlow 3s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(74, 237, 217, 0.5));
}

@keyframes crystalGlow {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* Nether */
.world-nether {
    background: linear-gradient(180deg, #1A0505 0%, var(--mc-netherrack) 40%, #551818 100%);
}

.world-lava {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(180deg, transparent 0%, #FF4500 50%, #FF6B00 100%);
    animation: lavaWave 4s ease-in-out infinite;
}

@keyframes lavaWave {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* End */
.world-end {
    background: linear-gradient(180deg, #0D0015 0%, #150A25 50%, var(--mc-endstone) 100%);
}

.world-dragon {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 60px;
    background: #1A1A1A;
    clip-path: polygon(0% 50%, 20% 0%, 50% 20%, 80% 0%, 100% 50%, 80% 100%, 50% 80%, 20% 100%);
    animation: dragonFloat 5s ease-in-out infinite;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

@keyframes dragonFloat {
    0%, 100% { transform: translateX(-50%) translateY(0) rotate(-2deg); }
    50% { transform: translateX(-50%) translateY(-20px) rotate(2deg); }
}

/* World Info Cards */
.worlds-info {
    position: relative;
    height: 400px;
}

.world-info-card {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s var(--ease-out-expo);
    pointer-events: none;
}

.world-info-card.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.world-number {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.world-info-card h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.world-info-card p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.world-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.feature-icon {
    color: var(--accent);
}

/* World Navigation */
.world-nav {
    position: absolute;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.world-nav-btn {
    width: 16px;
    height: 16px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.world-nav-btn:hover .nav-dot,
.world-nav-btn.active .nav-dot {
    background: var(--accent);
    transform: scale(1.5);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.cta-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
}

.cta-bg {
    position: absolute;
    inset: -100px;
    pointer-events: none;
}

.cta-blocks {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(93, 140, 60, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(93, 140, 60, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.cta-particles {
    position: absolute;
    inset: 0;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 10;
    padding: 80px 0;
}

.cta-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.cta-title span {
    display: block;
}

.cta-title .accent {
    background: linear-gradient(135deg, var(--mc-grass) 0%, var(--mc-diamond) 50%, var(--mc-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.cta-platforms {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.platform-icons {
    display: flex;
    gap: 20px;
}

.platform {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.platform:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-4px);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    max-width: 300px;
}

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

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    padding: 8px 0;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ========================================
   Animation Classes
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s var(--ease-out-expo);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .biomes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sticky-content {
        gap: 40px;
        padding: 0 24px;
    }
}

@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        transition: right var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .sticky-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .worlds-visual {
        height: 300px;
        order: -1;
    }
    
    .worlds-info {
        height: auto;
        min-height: 300px;
    }
    
    .world-info-card {
        position: relative;
        display: none;
    }
    
    .world-info-card.active {
        display: block;
    }
    
    .world-features {
        align-items: center;
    }
    
    .world-nav {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin-top: 24px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }
    
    .block {
        display: none;
    }
    
    .block-grass,
    .block-diamond {
        display: block;
        width: 40px;
        height: 40px;
    }
    
    .biomes-grid {
        grid-template-columns: 1fr;
    }
    
    .biome-card.large {
        grid-column: span 1;
    }
    
    .h-panel {
        padding: 40px 24px;
    }
    
    .panel-stats {
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 0.625rem;
        padding: 8px 16px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 0.875rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .panel-title {
        font-size: 1.5rem;
    }
    
    .worlds-section {
        min-height: 300vh;
    }
}

/* ========================================
   Reduced Motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}