* {
    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, #9da6ce 0%, #8a6da6 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.title {
    color: white;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.nav-button {
    background: white;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-decoration: none;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nav-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.nav-button img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.nav-button span {
    font-size: 1.1rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    
    .button-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-button {
        padding: 1.5rem 1rem;
    }
}