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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.landing-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 800px;
    width: 100%;
    padding: 60px 40px;
    text-align: center;
}

h1 {
    color: #333;
    font-size: 48px;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 18px;
    margin-bottom: 50px;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.language-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 40px 30px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    border: 3px solid transparent;
    cursor: pointer;
}

.language-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.asl-card {
    border-color: #667eea;
}

.asl-card:hover {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    border-color: #667eea;
}

.chinese-card {
    border-color: #dc3545;
}

.chinese-card:hover {
    background: linear-gradient(135deg, #dc354515 0%, #c8233315 100%);
    border-color: #dc3545;
}

.french-card {
    border-color: #0055A4;
}

.french-card:hover {
    background: linear-gradient(135deg, #0055A415 0%, #EF413515 100%);
    border-color: #0055A4;
}

.card-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.language-card h2 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #333;
}

.language-card p {
    font-size: 16px;
    color: #666;
}

.footer-info {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e9ecef;
}

.footer-info a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
}

.footer-info a:hover {
    color: #5568d3;
    text-decoration: underline;
}

@media (max-width: 600px) {
    h1 {
        font-size: 36px;
    }

    .language-grid {
        grid-template-columns: 1fr;
    }
}