/* Default background tema navy/gold + foto kampus STK Santo Yakobus Merauke.
   Dipakai bersama di semua halaman publik (index, daftar, cek_sertifikat, sukses,
   evaluasi, verifikasi, admin/login) supaya konsisten dan cukup diubah di satu tempat. */
body.bg-kampus {
    background:
        linear-gradient(160deg, rgba(10,28,48,.92) 0%, rgba(15,37,64,.90) 45%, rgba(26,58,92,.88) 100%),
        url('../img/bg-landing.jpg');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

@media (max-width: 767px) {
    body.bg-kampus { background-attachment: scroll; }
}