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

:root {
    --ci-primary: #1a537e;
    --ci-secondary: #ffc107;
}

.bg-ci {
    background-color: var(--ci-primary);
}

.text-ci {
    color: var(--ci-primary);
}

.btn-ci {
    background-color: var(--ci-primary);
    color: #fff;
}

.btn-ci:hover {
    background-color: #0d154f;
    color: #fff;
}




.navbar .nav-link.active {
    color: #ffc107 !important;
    font-weight: 600;
}



section {
    scroll-margin-top: 90px;
}

.doc-card {
    transition: 0.2s;
}
.doc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.doc-icon {
    font-size: 38px;
    color: var(--ci-primary);
}

.section-40 {
    min-height: 40vh;
    padding-top: 80px;
    /* เผื่อ navbar fixed */
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    /* จัด content กลางแนวตั้ง */
}
.section-title {
    font-weight: 600;
    margin-bottom: 30px;
}
@media (max-width: 768px) {

    

    /* ================= Navbar ================= */
    .navbar-collapse {
        background-color: var(--ci-primary);
        padding: 12px 16px 20px;
    }

    .navbar .btn-warning {
        width: 100%;
        margin-top: 10px;
    }
}