/* ============================================
   온라인카지노 위키 - Bento Style Design System
   Dark Mode, Modern, Minimalist
   ============================================ */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #18181b;
    --bg-card: #1c1c1f;
    --bg-card-hover: #232326;
    
    /* Text Colors - High Contrast for Accessibility */
    --text-primary: #ffffff;
    --text-secondary: #d4d4d8;
    --text-muted: #a1a1aa;
    --text-dim: #8b8b94;
    
    /* Border Colors */
    --border-primary: rgba(255, 255, 255, 0.08);
    --border-secondary: rgba(255, 255, 255, 0.04);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Accent Colors */
    --accent-purple: #a78bfa;
    --accent-cyan: #22d3ee;
    --accent-green: #4ade80;
    --accent-gold: #fbbf24;
    --accent-red: #f87171;
    --accent-blue: #60a5fa;
    
    /* VIP Colors */
    --vip-bronze: #cd7f32;
    --vip-silver: #c0c0c0;
    --vip-gold: #ffd700;
    --vip-diamond: #b9f2ff;
    --vip-whale: #1e90ff;
    --vip-satoshi: #f7931a;
    
    /* Typography */
    --font-sans: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 64px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(167, 139, 250, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--accent-purple);
    color: var(--bg-primary);
    border-radius: var(--radius-md);
    font-weight: 500;
    z-index: 1000;
}

.skip-link:focus {
    top: var(--space-4);
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-4);
    }
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-secondary);
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.logo img {
    height: 28px;
    width: auto;
}

.nav {
    display: none;
    align-items: center;
    gap: var(--space-1);
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    font-size: 24px;
}

@media (min-width: 1024px) {
    .mobile-toggle {
        display: none;
    }
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-primary);
    z-index: 200;
    transition: right var(--transition-smooth);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-primary);
    font-weight: 500;
}

.mobile-nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-secondary);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    padding: var(--space-4);
}

.mobile-nav-links a {
    padding: var(--space-4);
    font-size: 15px;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    z-index: 150;
    transition: all var(--transition-base);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: calc(var(--header-height) + var(--space-20)) var(--space-6) var(--space-16);
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(167, 139, 250, 0.08) 0%, transparent 60%);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.2);
    border-radius: var(--radius-2xl);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-purple);
    margin-bottom: var(--space-8);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-6);
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: var(--space-10);
}

.hero-search {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    max-width: 480px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-5);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.hero-search:focus-within {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.hero-search .iconify {
    font-size: 20px;
    color: var(--text-muted);
}

.hero-search input {
    flex: 1;
    border: none;
    background: none;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
}

.hero-search input::placeholder {
    color: var(--text-muted);
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--border-secondary);
    border-bottom: 1px solid var(--border-secondary);
    background: var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    text-align: center;
    padding: var(--space-4);
}

.stat-number {
    display: block;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: var(--space-1);
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.section-desc {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-secondary);
}

/* ============================================
   Bento Grid
   ============================================ */
.bento-section {
    padding: var(--space-20) 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: auto auto;
    }
    
    .bento-large {
        grid-column: span 2;
    }
}

.bento-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.bento-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.bento-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    font-size: 24px;
    color: var(--accent-purple);
}

.bento-icon.purple { background: rgba(167, 139, 250, 0.1); color: var(--accent-purple); }
.bento-icon.cyan { background: rgba(34, 211, 238, 0.1); color: var(--accent-cyan); }
.bento-icon.green { background: rgba(74, 222, 128, 0.1); color: var(--accent-green); }
.bento-icon.gold { background: rgba(251, 191, 36, 0.1); color: var(--accent-gold); }
.bento-icon.red { background: rgba(248, 113, 113, 0.1); color: var(--accent-red); }

.bento-content {
    flex: 1;
}

.bento-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.bento-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.bento-desc {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.6;
}

.bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.bento-tags li {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

.bento-arrow {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 18px;
    color: var(--text-muted);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-base);
}

.bento-card:hover .bento-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   Terms Section
   ============================================ */
.terms-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.terms-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .terms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.term-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.term-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-secondary);
}

.term-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.term-category {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-purple);
    padding: var(--space-1) var(--space-2);
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-sm);
}

.term-body {
    padding: var(--space-5) var(--space-6);
}

.term-body p {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.term-body p:last-child {
    margin-bottom: 0;
}

.term-body strong {
    color: var(--text-primary);
    font-weight: 500;
}

.term-body em {
    color: var(--accent-cyan);
    font-style: normal;
}

.term-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-secondary);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-purple);
    transition: all var(--transition-fast);
}

.term-link:hover {
    background: rgba(167, 139, 250, 0.05);
}

.terms-more {
    text-align: center;
    margin-top: var(--space-10);
}

/* ============================================
   Games Section
   ============================================ */
.games-section {
    padding: var(--space-20) 0;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .games-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .games-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.game-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-smooth);
}

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

.game-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(167, 139, 250, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    font-size: 28px;
    color: var(--accent-purple);
}

.game-icon.purple { background: rgba(167, 139, 250, 0.1); color: var(--accent-purple); }
.game-icon.cyan { background: rgba(34, 211, 238, 0.1); color: var(--accent-cyan); }
.game-icon.green { background: rgba(74, 222, 128, 0.1); color: var(--accent-green); }
.game-icon.gold { background: rgba(251, 191, 36, 0.1); color: var(--accent-gold); }
.game-icon.red { background: rgba(248, 113, 113, 0.1); color: var(--accent-red); }

.game-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.game-card p {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-3);
}

.game-meta {
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-cyan);
    padding: var(--space-1) var(--space-2);
    background: rgba(34, 211, 238, 0.1);
    border-radius: var(--radius-sm);
}

/* ============================================
   Platform Section
   ============================================ */
.platform-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.platform-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .platform-grid {
        grid-template-columns: 1fr 340px;
    }
}

.platform-article {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.platform-article h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    margin-top: var(--space-8);
}

.platform-article h3:first-child {
    margin-top: 0;
}

.platform-article p {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.platform-article strong {
    color: var(--text-primary);
    font-weight: 500;
}

.platform-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.info-box {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.info-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-secondary);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-item dt {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
}

.info-item dd {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.vip-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.vip-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}

.vip-tier {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.vip-tier.bronze { background: rgba(205, 127, 50, 0.15); color: var(--vip-bronze); }
.vip-tier.silver { background: rgba(192, 192, 192, 0.15); color: var(--vip-silver); }
.vip-tier.gold { background: rgba(255, 215, 0, 0.15); color: var(--vip-gold); }
.vip-tier.diamond { background: rgba(185, 242, 255, 0.15); color: var(--vip-diamond); }
.vip-tier.whale { background: rgba(30, 144, 255, 0.15); color: var(--vip-whale); }
.vip-tier.satoshi { background: rgba(247, 147, 26, 0.15); color: var(--vip-satoshi); }

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-purple);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: #b99fff;
    box-shadow: 0 4px 20px rgba(167, 139, 250, 0.3);
}

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

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

.btn-full {
    width: 100%;
}

/* ============================================
   Responsible Gaming Section
   ============================================ */
.responsible-section {
    padding: var(--space-12) 0;
    border-top: 1px solid var(--border-secondary);
}

.responsible-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
}

@media (min-width: 768px) {
    .responsible-content {
        flex-direction: row;
        text-align: left;
    }
}

.responsible-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(251, 191, 36, 0.1);
    border-radius: var(--radius-lg);
    font-size: 32px;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.responsible-text {
    flex: 1;
}

.responsible-text h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.responsible-text p {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
}

.responsible-badges {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
}

.badge-link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-cyan);
    transition: all var(--transition-fast);
}

.badge-link:hover {
    background: rgba(34, 211, 238, 0.1);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand img {
    height: 24px;
    width: auto;
    margin-bottom: var(--space-4);
}

.footer-brand p {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links h4 {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: var(--space-4);
}

.footer-links nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-secondary);
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-dim);
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 20px;
    color: var(--text-dim);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-size: 24px;
    color: var(--text-secondary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 50;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* ============================================
   Page Styles (For subpages)
   ============================================ */
.page-header {
    padding: calc(var(--header-height) + var(--space-16)) var(--space-6) var(--space-12);
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(167, 139, 250, 0.06) 0%, transparent 60%);
    border-bottom: 1px solid var(--border-secondary);
}

.page-header .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: 13px;
    color: var(--text-muted);
}

.page-header .breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.page-header .breadcrumb a:hover {
    color: var(--accent-purple);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.page-desc {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-primary);
    max-width: 600px;
    margin: 0 auto;
}

.page-content {
    padding: var(--space-16) 0;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-content h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-12);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-secondary);
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

.article-content p {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--space-5);
}

.article-content strong {
    color: var(--text-primary);
    font-weight: 500;
}

.article-content ul, 
.article-content ol {
    margin-bottom: var(--space-5);
    padding-left: var(--space-6);
}

.article-content li {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--space-2);
}

.article-content ul li {
    list-style-type: disc;
}

.article-content ol li {
    list-style-type: decimal;
}

.article-content a {
    color: var(--accent-purple);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-content a:hover {
    text-decoration: none;
}

.article-content blockquote {
    margin: var(--space-6) 0;
    padding: var(--space-5) var(--space-6);
    background: var(--bg-card);
    border-left: 3px solid var(--accent-purple);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
    margin-bottom: 0;
    font-style: italic;
}

.article-content table {
    width: 100%;
    margin: var(--space-6) 0;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.article-content th,
.article-content td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-secondary);
}

.article-content th {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-tertiary);
}

.article-content td {
    font-size: 14px;
    color: var(--text-primary);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Staggered animation delay */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }