:root {
    --primary-blue: #0061ff;
    --hover-blue: #0056e0;
    --text-dark: #333;
}

body { font-family: 'Inter', sans-serif; background-color: #f8f9fa; }

.hero-section { background: #fff; padding: 60px 0; text-align: center; }

.tool-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-dark);
    display: block;
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--primary-blue);
}

.tool-icon { font-size: 40px; margin-bottom: 15px; color: #ff3838; } /* Using red for icons */
.btn-primary { background-color: var(--primary-blue); border: none; padding: 10px 25px; border-radius: 8px; }