/* ============================================
   SSL.Domain-Root.de - Stylesheet
   Modern security-themed design
   ============================================ */

:root {
    --color-primary: #0d5c56;
    --color-primary-light: #0f766e;
    --color-secondary: #b45309;
    --color-accent: #dc2626;
    --color-success: #15803d;
    --color-spring: #15803d;
    --color-autumn: #dc2626;
    --color-bg: #f0fdfa;
    --color-bg-alt: #ffffff;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-border: #ccfbf1;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

.bg-decoration {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.clock-bg {
    position: absolute;
    font-size: 12rem;
    opacity: 0.03;
    animation: float 20s ease-in-out infinite;
}

.clock-bg-1 { top: 10%; left: -5%; animation-delay: 0s; }
.clock-bg-2 { top: 50%; right: -10%; animation-delay: -7s; }
.clock-bg-3 { bottom: 10%; left: 30%; animation-delay: -14s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { margin-bottom: 1rem; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-secondary); }

code {
    font-family: var(--font-mono);
    background: rgba(15, 118, 110, 0.1);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon { font-size: 1.75rem; }

.nav-links { display: flex; list-style: none; gap: 1.5rem; }

.nav-links a {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--color-secondary);
    transition: width var(--transition-base);
}

.nav-links a:hover::after { width: 100%; }

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px; height: 2px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem 4rem;
    background: linear-gradient(135deg, #0f766e 0%, #14b8a6 50%, #0f766e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content { text-align: center; color: white; z-index: 1; max-width: 700px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.15);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.pulse {
    width: 8px; height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 { color: white; margin-bottom: 1rem; }
.hero h1 .highlight { color: var(--color-secondary); }
.hero-subtitle { font-size: 1.25rem; opacity: 0.9; margin-bottom: 2rem; }

.next-change-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.change-icon { font-size: 3rem; margin-bottom: 1rem; }

.change-info { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 1.5rem; }
.change-label { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.8; }
.change-date { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; }
.change-time { font-size: 1rem; opacity: 0.9; }

.ssl-stats { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,0.1);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
}

.stat-value { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; }
.stat-label { font-size: 0.75rem; opacity: 0.8; text-align: center; }

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-secondary);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
    color: white;
}

.hero-visual { display: none; }

.ssl-shield {
    width: 200px; height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.shield-icon svg { width: 100px; height: 100px; stroke: white; }
.shield-text { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; color: white; margin-top: 1rem; }

section { padding: 5rem 0; }
.section-intro { font-size: 1.125rem; color: var(--color-text-muted); max-width: 800px; margin-bottom: 3rem; }

.intro-section { background: var(--color-bg-alt); }
.intro-content { max-width: 800px; margin-bottom: 3rem; }
.intro-content h2 { margin-bottom: 1.5rem; }

.quick-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

.fact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

.fact-card:hover { transform: translateY(-4px); }
.fact-icon { font-size: 2.5rem; }
.fact-content h3 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.fact-content p { color: var(--color-text-muted); margin: 0; font-size: 0.95rem; }

.mnemonic-section { background: linear-gradient(180deg, var(--color-bg) 0%, #e0f2fe 100%); }

.mnemonic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.mnemonic-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.mnemonic-card:hover { transform: translateY(-8px); }
.mnemonic-card.spring { border-top: 4px solid var(--color-spring); }
.mnemonic-card.autumn { border-top: 4px solid var(--color-autumn); }

.mnemonic-season { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.mnemonic-card.spring .mnemonic-season { color: var(--color-spring); }
.mnemonic-card.autumn .mnemonic-season { color: var(--color-autumn); }

.mnemonic-card h3 { font-size: 1.75rem; margin-bottom: 1.5rem; }
.mnemonic-rule { font-size: 1.125rem; margin-bottom: 2rem; line-height: 1.6; }

.mnemonic-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.time-before, .time-after {
    font-size: 1.25rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
}

.mnemonic-card.spring .time-before { background: #dcfce7; color: var(--color-spring); }
.mnemonic-card.spring .time-after { background: var(--color-spring); color: white; }
.mnemonic-card.autumn .time-before { background: #fee2e2; color: var(--color-autumn); }
.mnemonic-card.autumn .time-after { background: var(--color-autumn); color: white; }

.arrow { font-size: 1.5rem; color: var(--color-text-muted); }
.mnemonic-effect { font-size: 0.95rem; color: var(--color-text-muted); font-style: italic; }

.alternative-mnemonics {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.alternative-mnemonics h3 { margin-bottom: 1.5rem; }
.alternative-mnemonics ul { list-style: none; }
.alternative-mnemonics li { padding: 1rem 0; border-bottom: 1px solid var(--color-border); }
.alternative-mnemonics li:last-child { border-bottom: none; }

.schedule-section { background: var(--color-bg-alt); }

.schedule-tabs { display: flex; gap: 1rem; margin-bottom: 2rem; flex-wrap: wrap; }

.tab-btn {
    padding: 1rem 1.5rem;
    border: none;
    background: white;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.tab-btn:hover { border-color: var(--color-primary); }
.tab-btn.active { background: var(--color-primary); color: white; }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.schedule-info {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    border-left: 4px solid var(--color-primary);
}

.schedule-info p { margin: 0; }

.schedule-table {
    width: 100%;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border-collapse: collapse;
}

.schedule-table th, .schedule-table td { padding: 1rem 1.5rem; text-align: left; }

.schedule-table th {
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

.schedule-table tr:not(:last-child) { border-bottom: 1px solid var(--color-border); }
.schedule-table tr:hover { background: #f0fdfa; }

.history-section { background: linear-gradient(180deg, #f0fdfa 0%, var(--color-bg) 100%); }

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0; left: 50px;
    width: 3px; height: 100%;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 3px;
}

.timeline-item { position: relative; padding-left: 100px; margin-bottom: 3rem; }

.timeline-marker {
    position: absolute;
    left: 0; top: 0;
    width: 100px;
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--color-primary);
    background: white;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 44px; top: 12px;
    width: 14px; height: 14px;
    background: var(--color-secondary);
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-left: 30px;
}

.timeline-content h3 { margin-bottom: 1rem; color: var(--color-primary); }
.timeline-content p { margin: 0; color: var(--color-text); }

.health-section { background: var(--color-bg-alt); }

.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.health-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.health-card:hover { transform: translateY(-4px); }
.health-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.health-card h3 { margin-bottom: 1rem; font-size: 1.25rem; }
.health-card p { color: var(--color-text-muted); margin: 0; font-size: 0.95rem; }

.health-tips {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 2rem;
    border-radius: var(--radius-xl);
    color: white;
}

.health-tips h3 { color: white; margin-bottom: 1.5rem; font-size: 1.25rem; }

.tips-grid { display: grid; gap: 1rem; }

.code-tip {
    background: rgba(0,0,0,0.2);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
}

.code-tip p { margin-bottom: 1rem; opacity: 0.9; }

.code-tip code {
    display: block;
    background: rgba(0,0,0,0.3);
    padding: 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    line-height: 1.8;
    color: #a7f3d0;
}

.abolition-section { background: linear-gradient(180deg, var(--color-bg) 0%, #e0f2fe 100%); }

.abolition-status { margin-bottom: 3rem; }

.status-card {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-secondary);
}

.status-card h3 { margin-bottom: 1rem; color: #92400e; }
.status-card p { margin: 0; }

.comparison-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.comparison-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.comparison-card.summer { border-top: 4px solid var(--color-success); }
.comparison-card.winter { border-top: 4px solid var(--color-accent); }
.comparison-card h3 { font-size: 1.5rem; margin-bottom: 1.5rem; }

.pros-cons { display: grid; gap: 1.5rem; }
.pros h4 { color: #14532d; margin-bottom: 0.75rem; font-weight: 700; }
.cons h4 { color: #7f1d1d; margin-bottom: 0.75rem; font-weight: 700; }
.pros ul, .cons ul { list-style: none; }

.pros li, .cons li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.pros li::before { content: '✓'; position: absolute; left: 0; color: var(--color-success); font-weight: 700; }
.cons li::before { content: '✗'; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }

.expert-opinion {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.expert-opinion blockquote {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.expert-opinion cite { color: var(--color-text-muted); font-size: 0.95rem; }

.legal-section { background: var(--color-bg-alt); }

.legal-box {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 900px;
}

.legal-box h3 { margin-bottom: 1rem; }

.legal-text {
    background: #f0fdfa;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    border-left: 3px solid var(--color-primary);
}

.legal-text p { margin-bottom: 1rem; }
.legal-text p:last-child { margin-bottom: 0; }

.faq-section { background: linear-gradient(180deg, #e0f2fe 0%, var(--color-bg) 100%); }
.faq-list { max-width: 900px; }

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    color: var(--color-primary);
    transition: background var(--transition-fast);
}

.faq-question:hover { background: #f0fdfa; }
.faq-question svg { flex-shrink: 0; transition: transform var(--transition-base); }
.faq-item.active .faq-question svg { transform: rotate(180deg); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow); }
.faq-item.active .faq-answer { max-height: 500px; }
.faq-answer p { padding: 0 1.5rem 1.5rem; margin: 0; color: var(--color-text); }

.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 5rem 0;
}

.cta-content { text-align: center; color: white; max-width: 700px; margin: 0 auto; }
.cta-content h2 { color: white; font-size: 2.5rem; margin-bottom: 1rem; }
.cta-content p { font-size: 1.125rem; opacity: 0.9; margin-bottom: 2rem; }

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.btn-primary { background: white; color: var(--color-primary); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.2); color: var(--color-primary); }
.btn-secondary { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.5); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: white; color: white; }

.site-footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.8);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo:hover { color: var(--color-secondary); }
.footer-brand p { font-size: 0.95rem; line-height: 1.7; color: rgba(255,255,255,0.85); }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

.footer-col .footer-title {
    display: block;
    color: white;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.75rem; }
.footer-col a { color: rgba(255,255,255,0.85); font-size: 0.95rem; transition: color var(--transition-fast); }
.footer-col a:hover { color: #fcd34d; }

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
}

.footer-bottom a { color: #fcd34d; text-decoration: underline; }

@media (min-width: 1024px) {
    .hero { flex-direction: row; gap: 4rem; text-align: left; }
    .hero-content { flex: 1; }
    .hero-visual { display: flex; flex: 0 0 auto; }
    .next-change-card { text-align: left; }
    .ssl-stats { justify-content: flex-start; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        box-shadow: var(--shadow-lg);
    }
    .nav-links.active { display: flex; }
    .nav-links li { border-bottom: 1px solid var(--color-border); }
    .nav-links a { display: block; padding: 1rem; }
    .mobile-menu-btn { display: flex; }
    
    .timeline::before { left: 20px; }
    .timeline-item { padding-left: 60px; }
    .timeline-marker { width: 60px; font-size: 0.75rem; padding: 0.25rem; }
    .timeline-item::before { left: 14px; }
    .timeline-content { margin-left: 10px; padding: 1.5rem; }
    
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .mnemonic-grid { grid-template-columns: 1fr; }
    .comparison-container { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero { padding: 6rem 1rem 3rem; }
    .schedule-tabs { flex-direction: column; }
    .footer-links { grid-template-columns: 1fr; }
    .cta-buttons { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
}

@media print {
    .site-header, .hero-visual, .cta-section, .site-footer { display: none; }
    body { font-size: 12pt; color: black; background: white; }
    .hero { min-height: auto; background: none; color: black; padding: 2rem 0; }
    .hero h1, h2, h3 { color: black; }
    section { padding: 2rem 0; page-break-inside: avoid; }
}