body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #F9FAFB;
    color: #111827;
}

.navbar-brand {
    font-weight: 700;
}

.hero {
    position: relative;
    padding: 10rem 0;
    color: white;
    text-align: center;
    background: linear-gradient(45deg, rgba(79, 70, 229, 0.9), rgba(16, 185, 129, 0.9)), url('https://picsum.photos/seed/hrtech/1600/900') no-repeat center center;
    background-size: cover;
}

.hero h1 {
    font-weight: 700;
    font-size: 3.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.btn-primary {
    background-color: #4F46E5;
    border-color: #4F46E5;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #4338CA;
    border-color: #4338CA;
}

.services {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 700;
    font-size: 2.5rem;
}

.service-card {
    background-color: #FFFFFF;
    border: 1px solid #E5E7EB;
    border-radius: 0.5rem;
    padding: 2.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.service-card .icon {
    font-size: 3rem;
    color: #4F46E5;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-weight: 600;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer {
    background-color: #111827;
    color: #D1D5DB;
    padding: 3rem 0;
}