/* Explain: LJNETO cards, forms, navigation, and core components */
.nav-link {
    font-weight: 600;
    color: var(--text-color);
    transition: color 0.3s ease;
}
.nav-link:hover {
    color: var(--primary-color);
}
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    transition: background-color 0.3s ease;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}
.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    font-weight: 600;
    transition: background-color 0.3s ease;
}
.btn-secondary:hover {
    background-color: #000000;
}
.service-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}
.section-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}
.section-subtitle {
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    display: block;
}