body {
    background-color: #f5f7fa;
    font-family: 'Segoe UI', sans-serif;
}
.hero {
    background-color: #001F3F;
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}
.hero h1 {
    font-size: 3rem;
    font-weight: bold;
}
.section-title {
    margin-bottom: 2rem;
    font-weight: 600;
    border-bottom: 2px solid #007BFF;
    display: inline-block;
    padding-bottom: .5rem;
}
footer {
    background: #001F3F;
    color: white;
    padding: 2rem;
    text-align: center;
}
.nacebel-box {
    border-left: 5px solid #007BFF;
    background: white;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}