/* CFB Prediction Lab Report - OSU vs Texas Journey */
:root {
    --osu-red: #ba0c2f;
    --osu-gray: #a7b1b7;
    --texas-orange: #bf5700;
    --texas-gray: #333f48;
    --success-green: #28a745;
    --warning-yellow: #ffc107;
    --danger-red: #dc3545;
    --info-blue: #17a2b8;
    --dark-bg: #1a1a1a;
    --light-bg: #f8f9fa;
    --gradient-start: #ba0c2f;
    --gradient-end: #bf5700;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%);
}

/* Header Section */
.hero-section {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.game-matchup {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin: 2rem 0;
    font-size: 2rem;
    font-weight: bold;
}

.team-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.osu-logo {
    background: var(--osu-red);
    color: white;
}

.texas-logo {
    background: var(--texas-orange);
    color: white;
}

/* Content Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    margin: 2rem 0;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--osu-red);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--osu-red), var(--texas-orange));
    border-radius: 2px;
}

.section-description {
    font-size: 1.2rem;
    color: #34495e;
    max-width: 800px;
    margin: 0 auto;
}

/* Journey Timeline */
.journey-timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--osu-red), var(--texas-orange));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin: 2rem 0;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 0 1rem;
    border: 1px solid #e0e0e0;
}





.timeline-step {
    color: var(--osu-red);
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0.5rem 0;
    color: #333;
}

.timeline-description {
    color: #34495e;
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.7;
}

/* Metrics and Charts */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.metric-card {
    background: white;
    padding: 1.5rem;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    border-top: 3px solid var(--osu-red);
}



.metric-value {
    font-size: 3rem;
    font-weight: bold;
    color: var(--osu-red);
    margin-bottom: 0.5rem;
}

.metric-label {
    color: #34495e;
    font-size: 1.1rem;
    font-weight: 500;
}

.metric-change {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
}

.metric-change.positive {
    background: #d4edda;
    color: var(--success-green);
}

.metric-change.negative {
    background: #f8d7da;
    color: var(--danger-red);
}

/* Code Blocks */
.code-block {
    background: var(--dark-bg);
    color: #f8f8f2;
    padding: 1.5rem;
    border-radius: 6px;
    margin: 1.5rem 0;
    font-family: 'Consolas', 'Monaco', monospace;
    overflow-x: auto;
    position: relative;
    white-space: pre-wrap;
    line-height: 1.5;
}

.code-block::before {
    content: attr(data-language);
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    background: var(--osu-red);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.code-highlight {
    background: rgba(187, 0, 0, 0.2);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

/* Comparison Tables */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: center;
}

.comparison-table th {
    background: var(--osu-red);
    color: white;
    font-weight: bold;
}

.comparison-table tr:nth-child(even) {
    background: #f8f9fa;
}



.improvement-cell {
    font-weight: bold;
}

.improvement-cell.positive {
    color: var(--success-green);
}

.improvement-cell.negative {
    color: var(--danger-red);
}

/* Chart Containers */
.chart-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin: 2rem 0;
}

.chart-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--osu-red);
    margin-bottom: 2rem;
}

/* SVG Diagrams */
.diagram-container {
    text-align: center;
    margin: 3rem 0;
}

.diagram-svg {
    max-width: 100%;
    height: auto;
    drop-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Interactive Elements */
.interactive-button {
    background: linear-gradient(135deg, var(--osu-red), #cc1111);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    margin: 0.5rem;
}



.toggle-content {
    max-height: 0;
    overflow: hidden;
}

.toggle-content.active {
    max-height: 1000px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .game-matchup {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-item {
        flex-direction: column !important;
    }
    
    .timeline-content {
        margin: 1rem 0;
    }
    
    .timeline-line {
        display: none;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */


.animate-on-scroll {
    opacity: 1;
}

.animate-on-scroll.visible {
    opacity: 1;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

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

.footer-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--osu-red);
}

/* Mermaid Diagram Styling */
.mermaid {
    display: flex;
    justify-content: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Scenario Selector Styling */
.scenario-btn {
    opacity: 0.7;
}

.scenario-btn:hover {
    opacity: 1;
}

.scenario-btn.active {
    opacity: 1;
}

.scenario-panel {
    display: none;
}

.scenario-panel.active {
    display: block;
}

/* Special Effects */
.glow-effect {
    box-shadow: 0 0 20px rgba(187, 0, 0, 0.3);
}