/* ==============================================
   CryptoKing.dk - Premium Design 2025
   Glassmorphism + Neon Cyber Aesthetic
   ============================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Dark cosmic theme */
    --bg-primary: #030014;
    --bg-secondary: #0a0a1a;
    --bg-tertiary: #12122a;
    --bg-card: rgba(15, 15, 35, 0.6);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    /* Neon accents */
    --neon-gold: #ffd700;
    --neon-gold-glow: rgba(255, 215, 0, 0.4);
    --neon-cyan: #00f5ff;
    --neon-cyan-glow: rgba(0, 245, 255, 0.3);
    --neon-purple: #bf00ff;
    --neon-purple-glow: rgba(191, 0, 255, 0.3);
    --neon-green: #00ff88;
    --neon-red: #ff3366;
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    
    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(255, 215, 0, 0.2);
    
    /* Typography */
    --font-main: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Layout */
    --max-width: 1280px;
    --header-height: 72px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

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

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

/* Animated background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
        radial-gradient(ellipse 100% 100% at 0% 0%, rgba(191, 0, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 80% 80% at 100% 100%, rgba(0, 245, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 60% 60% at 50% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -2;
}

/* Grid pattern overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--neon-gold);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 20px var(--neon-cyan-glow);
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Utility */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.num {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
}

.text-gold { color: var(--neon-gold); }
.text-cyan { color: var(--neon-cyan); }
.text-green { color: var(--neon-green); }
.text-red { color: var(--neon-red); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Glassmorphism Card */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.card-hover {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.4s;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 60px var(--neon-gold-glow);
    border-color: var(--border-glow);
}

/* Neon Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--neon-gold) 0%, #ffaa00 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--neon-gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px var(--neon-gold-glow);
    color: var(--bg-primary);
}

.btn-secondary {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px var(--neon-cyan-glow);
    color: var(--neon-cyan);
}

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

.btn-outline:hover {
    background: var(--neon-gold);
    color: var(--bg-primary);
    box-shadow: 0 0 40px var(--neon-gold-glow);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(3, 0, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo:hover {
    color: var(--text-primary);
}

/* Logo live indicator */
.logo-live {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-live-dot {
    width: 10px;
    height: 10px;
    background: #00ff88;
    border-radius: 50%;
    position: relative;
    animation: pulse-live 2s ease-in-out infinite;
    box-shadow: 0 0 6px #00ff88, 0 0 12px #00ff88;
}

.logo-live-dot::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid #00ff88;
    animation: ping-logo 1.5s ease-out infinite;
    opacity: 0;
}

@keyframes ping-logo {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2); opacity: 0; }
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--neon-gold) 0%, #ff8c00 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px var(--neon-gold-glow);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 4px 20px var(--neon-gold-glow); }
    50% { box-shadow: 0 4px 40px var(--neon-gold-glow), 0 0 60px var(--neon-gold-glow); }
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav a {
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.3s;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--neon-gold);
    transition: all 0.3s;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--neon-gold-glow);
}

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

.nav a:hover::after,
.nav a.active::after {
    width: 60%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 0.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--neon-gold-glow) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0.3;
}

.hero h1 {
    margin-bottom: 1.5rem;
    position: relative;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--neon-gold) 0%, var(--neon-cyan) 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: 650px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 2rem 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--neon-gold) 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Coin Table */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
}

.coin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.coin-table th {
    text-align: left;
    padding: 1.25rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-subtle);
}

.coin-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.coin-table tbody tr {
    transition: all 0.3s;
}

.coin-table tbody tr:hover {
    background: rgba(255, 215, 0, 0.03);
}

.coin-table tbody tr:last-child td {
    border-bottom: none;
}

.coin-table a {
    color: var(--text-primary);
}

.coin-table a:hover {
    color: var(--neon-gold);
}

.coin-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.coin-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
}

.coin-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: inherit;
    filter: blur(10px);
    opacity: 0.5;
    z-index: -1;
}

.coin-name {
    font-weight: 600;
    font-size: 1rem;
}

.coin-symbol {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.price-cell {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
}

.badge-up {
    background: rgba(0, 255, 136, 0.1);
    color: var(--neon-green);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.badge-down {
    background: rgba(255, 51, 102, 0.1);
    color: var(--neon-red);
    border: 1px solid rgba(255, 51, 102, 0.2);
}

/* Section */
.section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    margin-bottom: 0.75rem;
}

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

/* Article Grid */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.article-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.article-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.article-card h3 a {
    color: var(--text-primary);
}

.article-card h3 a:hover {
    color: var(--neon-gold);
}

.article-card p {
    font-size: 0.9375rem;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-wrap: wrap;
    padding-top: calc(var(--header-height) + 2rem);
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb a:hover {
    color: var(--neon-gold);
}

/* Article Content */
.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-content h1 {
    margin-bottom: 1.5rem;
}

.article-content h2 {
    margin: 3rem 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

.article-content h3 {
    margin: 2.5rem 0 1rem;
}

.article-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.article-content li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.article-content a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content blockquote {
    border-left: 3px solid var(--neon-gold);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Info Box */
.info-box {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2rem 0;
}

.info-box.warning {
    border-color: rgba(255, 215, 0, 0.3);
    background: rgba(255, 215, 0, 0.05);
}

.info-box.tip {
    border-color: rgba(0, 255, 136, 0.3);
    background: rgba(0, 255, 136, 0.05);
}

.info-box-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

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

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 1.0625rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.faq-question:hover {
    color: var(--neon-gold);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
}

.faq-icon {
    transition: transform 0.3s;
    flex-shrink: 0;
}

/* Tools */
.tool-card {
    padding: 2rem;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-select {
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--neon-gold);
    box-shadow: 0 0 0 3px var(--neon-gold-glow);
}

.form-select {
    cursor: pointer;
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.form-select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.75rem;
}

/* Currency selector buttons */
.currency-btn {
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.currency-btn:hover {
    border-color: var(--neon-gold);
    color: var(--text-primary);
}

.currency-btn.active {
    background: linear-gradient(135deg, var(--neon-gold) 0%, #ffaa00 100%);
    color: var(--bg-primary);
    border-color: var(--neon-gold);
    box-shadow: 0 4px 20px var(--neon-gold-glow);
}

.result-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(0, 245, 255, 0.05) 100%);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.result-value {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--neon-gold) 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Live Indicator */
.live-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: pulse-live 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-green);
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 5rem 0 2rem;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-section h4 {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-muted);
    font-size: 0.9375rem;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: var(--neon-gold);
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.3);
}

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--neon-gold);
    color: var(--bg-primary);
    padding: 1rem 2rem;
    z-index: 10000;
    font-weight: 600;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

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

.animate-in {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* Mobile */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-subtle);
        padding: 1rem;
        flex-direction: column;
    }
    
    .nav.open {
        display: flex;
    }
    
    .nav a::after {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .stats-bar {
        gap: 1.5rem;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .hide-mobile {
        display: none;
    }
}

/* Print */
@media print {
    .header,
    .footer,
    .btn,
    .nav {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    body::before,
    body::after {
        display: none;
    }
}