body {
    background: #f5f8fc;
    color: #1d2a35;
}

.site-header {
    background: linear-gradient(135deg, #061a33, #0b2f5b);
}

.navbar {
    background: transparent;
}

.navbar-brand {
    letter-spacing: 0.5px;
}

.hero {
    background: #071f3d;
    color: #ffffff;
    padding: 80px 0;
}

.hero-box {
    background: linear-gradient(135deg, #0a2c55, #123f73);
    border-radius: 24px;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.hero-box h1 {
    font-size: 3rem;
    font-weight: 800;
}

.section-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.site-footer {
    background: #061a33;
    color: #d8e6f7;
}

.site-footer h5 {
    color: #ffffff;
}

.btn-primary {
    background-color: #0b3d75;
    border-color: #0b3d75;
}

.btn-primary:hover {
    background-color: #092f5a;
    border-color: #092f5a;
}