.site-header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem 0;
}

.site-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.site-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.tool-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.tool-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
}

.tool-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tool-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-info p {
    color: var(--text-secondary);
}

.site-footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem 0;
    color: var(--text-secondary);
}