/* ========================================
   PLAY SNAKE — GLOBAL STYLES
   ======================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette — Neon Gaming Theme */
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2a;
    --bg-card: rgba(15, 15, 42, 0.7);
    --bg-card-hover: rgba(20, 20, 55, 0.9);

    --neon-green: #00ff88;
    --neon-green-dim: #00cc6a;
    --neon-green-glow: rgba(0, 255, 136, 0.3);
    --neon-blue: #00d4ff;
    --neon-purple: #a855f7;
    --neon-pink: #ff3d8e;
    --neon-yellow: #ffd500;

    --text-primary: #e8e8f0;
    --text-secondary: #9898b8;
    --text-muted: #6868a0;

    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(0, 255, 136, 0.2);

    --gradient-main: linear-gradient(135deg, #00ff88, #00d4ff);
    --gradient-warm: linear-gradient(135deg, #ff3d8e, #ffd500);
    --gradient-cool: linear-gradient(135deg, #a855f7, #00d4ff);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-retro: 'Press Start 2P', monospace;

    /* Spacing */
    --section-pad: 100px 0;
    --container-width: 1200px;
    --card-radius: 16px;
    --border-radius-sm: 8px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Animated background grid */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

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

a:hover {
    color: var(--neon-blue);
}

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

kbd {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.8em;
    font-family: var(--font-body);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-main);
    color: #0a0a1a;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.3);
    color: #0a0a1a;
}

.btn-glow {
    animation: btn-glow-pulse 2s ease-in-out infinite;
}

@keyframes btn-glow-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 136, 0.2); }
    50% { box-shadow: 0 0 40px rgba(0, 255, 136, 0.4), 0 0 80px rgba(0, 255, 136, 0.1); }
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.05);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-icon {
    font-size: 1.2em;
}

/* ========================================
   HEADER / NAV
   ======================================== */

#site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

#site-header.scrolled {
    background: rgba(10, 10, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#main-nav {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.6rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-accent {
    color: var(--neon-green);
}

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

.nav-links a {
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.nav-links a:hover {
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.06);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    flex: 1;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--neon-yellow);
    background: rgba(255, 213, 0, 0.08);
    border: 1px solid rgba(255, 213, 0, 0.2);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease;
}

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

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-microcopy {
    font-size: 0.85rem;
    color: var(--text-muted);
    animation: fadeInUp 0.6s ease 0.5s both;
}

/* Hero Game Preview */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    50% { transform: translateY(-52%) translateX(-5px); }
}

.game-preview-frame {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 255, 136, 0.1);
}

.game-preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.preview-title {
    font-family: var(--font-retro);
    font-size: 0.55rem;
    color: var(--text-muted);
    margin-left: auto;
}

#hero-snake-canvas {
    display: block;
    background: #050510;
}

/* ========================================
   PLAY SECTION
   ======================================== */

.play-section {
    padding: var(--section-pad);
    position: relative;
}

.play-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-green-glow), transparent);
}

.game-container {
    max-width: 500px;
    margin: 0 auto;
}

.game-hud {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 16px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hud-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.hud-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-green);
}

.game-canvas-wrapper {
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    border: 1px solid var(--border-glow);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.08);
}

#game-canvas {
    display: block;
    width: 100%;
    height: auto;
    background: #050510;
    outline: none;
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 5, 16, 0.85);
    backdrop-filter: blur(4px);
    transition: opacity var(--transition-normal);
}

.game-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay-content {
    text-align: center;
}

.overlay-content h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.overlay-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Mobile Controls */
.game-controls-mobile {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.ctrl-row {
    display: flex;
    gap: 8px;
}

.ctrl-btn {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.ctrl-btn:active {
    background: rgba(0, 255, 136, 0.15);
    border-color: var(--neon-green);
    transform: scale(0.95);
}

/* ========================================
   HOW TO PLAY
   ======================================== */

.howto-section {
    padding: var(--section-pad);
    background: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.step-card {
    position: relative;
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

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

.step-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
}

.step-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   GAME MODES
   ======================================== */

.modes-section {
    padding: var(--section-pad);
    background: var(--bg-secondary);
    position: relative;
}

.modes-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.4), transparent);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.mode-card {
    position: relative;
    padding: 40px 32px 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    transition: all var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.mode-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: opacity var(--transition-normal);
}

.mode-classic::before {
    background: var(--gradient-main);
}

.mode-io::before {
    background: var(--gradient-warm);
}

.mode-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4);
}

.mode-classic:hover {
    border-color: var(--border-glow);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 255, 136, 0.1);
}

.mode-io:hover {
    border-color: rgba(255, 61, 142, 0.3);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(255, 61, 142, 0.1);
}

.mode-badge {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
    width: fit-content;
}

.mode-badge-new {
    color: var(--neon-pink);
    background: rgba(255, 61, 142, 0.08);
    border-color: rgba(255, 61, 142, 0.25);
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 8px rgba(255, 61, 142, 0.1); }
    50% { box-shadow: 0 0 20px rgba(255, 61, 142, 0.25); }
}

.mode-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.mode-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.version-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 800;
    color: var(--neon-pink);
    background: rgba(255, 61, 142, 0.12);
    padding: 2px 8px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 6px;
    letter-spacing: 1px;
}

.mode-card > p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.mode-features {
    list-style: none;
    margin-bottom: 28px;
    flex-grow: 1;
}

.mode-features li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.mode-features li:last-child {
    border-bottom: none;
}

.btn-io {
    background: var(--gradient-warm);
}

.btn-io:hover {
    box-shadow: 0 8px 30px rgba(255, 61, 142, 0.3);
}

/* ========================================
   FEATURES
   ======================================== */

.features-section {
    padding: var(--section-pad);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   HISTORY / TIMELINE
   ======================================== */

.history-section {
    padding: var(--section-pad);
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 60px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--neon-green), var(--neon-blue), var(--neon-purple));
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    transition: all var(--transition-normal);
}

.timeline-item:hover {
    border-color: var(--border-glow);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -48px;
    top: 32px;
    width: 14px;
    height: 14px;
    background: var(--neon-green);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 12px var(--neon-green-glow);
}

.timeline-year {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.08);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   TIPS & TRICKS
   ======================================== */

.tips-section {
    padding: var(--section-pad);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.tip-card {
    padding: 32px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    transition: all var(--transition-normal);
}

.tip-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.tip-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.tip-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.tip-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   FAQ
   ======================================== */

.faq-section {
    padding: var(--section-pad);
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--border-glow);
}

.faq-item[open] {
    border-color: rgba(0, 255, 136, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.faq-item summary {
    padding: 20px 24px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--neon-green);
    transition: transform var(--transition-normal);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item[open] summary::after {
    content: '−';
    transform: rotate(180deg);
}

.faq-item summary:hover {
    color: var(--neon-green);
}

.faq-answer {
    padding: 0 24px 24px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   FOOTER
   ======================================== */

#site-footer {
    background: rgba(5, 5, 16, 0.9);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 320px;
}

.footer-links-col h4 {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links-col ul {
    list-style: none;
}

.footer-links-col li {
    margin-bottom: 10px;
}

.footer-links-col a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-links-col a:hover {
    color: var(--neon-green);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.footer-seo-text {
    font-size: 0.78rem !important;
    color: rgba(104, 104, 160, 0.5) !important;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========================================
   ANIMATIONS — Scroll Reveal
   ======================================== */

.step-card,
.feature-card,
.tip-card,
.timeline-item,
.faq-item,
.mode-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.step-card.visible,
.feature-card.visible,
.tip-card.visible,
.timeline-item.visible,
.faq-item.visible,
.mode-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.step-card:nth-child(2), .feature-card:nth-child(2), .tip-card:nth-child(2) { transition-delay: 0.1s; }
.step-card:nth-child(3), .feature-card:nth-child(3), .tip-card:nth-child(3) { transition-delay: 0.2s; }
.step-card:nth-child(4), .feature-card:nth-child(4), .tip-card:nth-child(4) { transition-delay: 0.3s; }
.feature-card:nth-child(5), .tip-card:nth-child(5) { transition-delay: 0.4s; }
.feature-card:nth-child(6), .tip-card:nth-child(6) { transition-delay: 0.5s; }

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }

    .hero-content {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --section-pad: 72px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-color);
        padding: 16px 0;
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 14px 24px;
        width: 100%;
        border-radius: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .game-controls-mobile {
        display: flex;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

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

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

    .timeline {
        padding-left: 40px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-item::before {
        left: -38px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .game-hud {
        padding: 12px 16px;
    }

    .hud-value {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.85rem;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 0.95rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }
}

/* ========================================
   PARTICLES (decorative)
   ======================================== */

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}