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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 40px;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.95;
}

main {
    padding: 40px;
}

section {
    margin-bottom: 50px;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #667eea;
}

section h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #764ba2;
}

.description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.feature .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
}

.link-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 40px 30px;
    border-radius: 15px;
    text-decoration: none;
    color: #333;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.player-card::before {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.scoreboard-card::before {
    background: linear-gradient(90deg, #f093fb 0%, #f5576c 100%);
}

.host-card::before {
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
}

.card p {
    color: #666;
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.card .arrow {
    position: absolute;
    bottom: 20px;
    right: 30px;
    font-size: 2rem;
    color: #667eea;
    transition: transform 0.3s ease;
}

.card:hover .arrow {
    transform: translateX(10px);
}

.tech-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
}

.tech-info ul {
    list-style: none;
    margin-top: 20px;
}

.tech-info li {
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
    font-size: 1rem;
    color: #555;
}

.tech-info li:last-child {
    border-bottom: none;
}

.tech-info strong {
    color: #667eea;
    font-weight: 600;
}

footer {
    background: #f8f9fa;
    padding: 30px;
    text-align: center;
    color: #666;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    main {
        padding: 20px;
    }
    
    section h2 {
        font-size: 1.5rem;
    }
    
    .link-cards {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}