:root {
    /* Color Palette */
    --bg-primary: #07111b;
    --bg-secondary: #0e1b2a;
    --bg-surface: #142438;
    --bg-surface-alt: #1a3048;
    
    --accent-primary: #38bdf8;
    --accent-secondary: #22c55e;
    --accent-tertiary: #f59e0b;
    --accent-alert: #ef4444;
    
    --border-color: rgba(255,255,255,0.08);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Layout */
    --max-width: 1380px;
    --spacing-desktop: 80px;
    --spacing-tablet: 56px;
    --spacing-mobile: 40px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* Helpers */
.alternate-bg {
    background-color: var(--bg-secondary);
}
.accent-blue { color: var(--accent-primary); }
.accent-green { color: var(--accent-secondary); }
.muted { color: var(--text-muted); }
.bg-blue { background-color: var(--accent-primary); }
.bg-green { background-color: var(--accent-secondary); }
.bg-muted { background-color: var(--bg-surface-alt); }
.txt-green { color: var(--accent-secondary) !important; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: #7dd3fc;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #23405f;
    transform: translateY(-2px);
}

/* Typography elements */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(7, 17, 27, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo a {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.desktop-nav ul {
    display: flex;
    gap: 32px;
}

.desktop-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

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

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

.mobile-nav {
    display: none;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
}

.mobile-nav a {
    display: block;
    padding: 12px 24px;
    font-weight: 500;
}

/* Hero Section */
.hero-section {
    padding-top: 140px;
    padding-bottom: var(--spacing-desktop);
    background: radial-gradient(circle at top center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.badge-small {
    padding: 4px 8px;
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-tertiary);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.hero-title {
    font-size: 4rem;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.hero-title .highlight {
    color: var(--accent-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

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

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

.meta-value {
    font-weight: 600;
    font-size: 1rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Sections Global */
section {
    padding: var(--spacing-desktop) 0;
}

/* Match Facts */
.facts-section {
    padding-top: 0;
}

.facts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    background-color: var(--bg-surface);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.fact-card {
    display: flex;
    align-items: center;
    gap: 16px;
}

.fact-icon {
    font-size: 1.5rem;
    background: var(--bg-surface-alt);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.fact-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.fact-card strong {
    color: var(--text-primary);
}

/* Odds Grid & Cards */
.odds-grid {
    display: grid;
    gap: 24px;
}

.odds-grid.three-col { grid-template-columns: repeat(3, 1fr); }
.odds-grid.two-col { grid-template-columns: repeat(2, 1fr); }

.odds-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.odds-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.card-header h3 {
    font-size: 1.25rem;
}

.fractional {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 16px;
    font-feature-settings: "tnum";
}

.fractional.large {
    font-size: 3.5rem;
}

.implied {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-surface-alt);
    padding: 12px 16px;
    border-radius: 8px;
}

.implied .label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.implied .value {
    font-weight: 700;
    font-size: 1.1rem;
}

.implied-bar-container {
    margin-top: 24px;
}

.implied-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.implied-info strong {
    color: var(--text-primary);
}

.bar-track {
    width: 100%;
    height: 8px;
    background-color: var(--bg-surface-alt);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    border-radius: 4px;
}

/* Dashboard / Probabilities */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.dash-card {
    background-color: var(--bg-surface);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.dash-card h3 {
    margin-bottom: 24px;
    font-size: 1.2rem;
}

.stacked-bar-chart {
    display: flex;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
}

.stack {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 700;
    font-size: 0.85rem;
    position: relative;
}

.stack-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 4px;
}

.chart-caption {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
}

.comparison-bars {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.comp-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.comp-label {
    width: 80px;
    font-weight: 600;
}

.comp-item .bar-track {
    flex-grow: 1;
    height: 16px;
}

.comp-value {
    width: 50px;
    text-align: right;
    font-weight: 700;
}

/* Market vs Model */
.vs-container {
    display: flex;
    align-items: center;
    background-color: var(--bg-surface);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.vs-side {
    flex: 1;
    text-align: center;
}

.vs-divider {
    width: 64px;
    height: 64px;
    background-color: var(--bg-surface-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    border: 4px solid var(--bg-surface);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--text-muted);
}

.vs-header {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.vs-favorite {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--accent-primary);
    line-height: 1;
}

.model-stat {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.vs-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 300px;
    margin: 16px auto 0;
}

/* Insights */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.insight-card {
    background-color: var(--bg-surface);
    padding: 32px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.insight-icon {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-bottom: 16px;
}

.insight-card h4 {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.insight-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Summary */
.summary-box {
    background: linear-gradient(135deg, var(--bg-surface), var(--bg-surface-alt));
    padding: 48px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(56, 189, 248, 0.1);
}

.summary-box h2 {
    margin-bottom: 24px;
}

.summary-box p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.summary-box strong {
    color: var(--text-primary);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--bg-surface);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.faq-item h4 {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-secondary);
}

/* Footer */
.main-footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

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

.footer-brand h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

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

.footer-links h4, .footer-info h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries */

/* Tablet: 1200px -> 768px */
@media (max-width: 1200px) {
    .vs-container {
        padding: 32px;
    }
}

@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    
    .facts-grid {
        grid-template-columns: 1fr;
    }
    
    .odds-grid.three-col {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile: 768px and below */
@media (max-width: 768px) {
    :root {
        --spacing-desktop: var(--spacing-mobile);
    }
    
    .desktop-nav, .header-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-section {
        padding-top: 120px;
    }
    
    .hero-title { font-size: 2.5rem; }
    
    .hero-meta {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .odds-grid.two-col {
        grid-template-columns: 1fr;
    }
    
    .vs-container {
        flex-direction: column;
        padding: 32px 16px;
        gap: 48px;
    }
    
    .vs-divider {
        position: relative;
        left: auto;
        transform: none;
        margin: -24px auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .summary-box {
        padding: 32px 16px;
    }
}