/* Beranda: rangka bagian umum dan judul bagian. */
.sec{padding:84px 0}
.sec.alt{background:var(--surface);border-block:1px solid var(--line)}
.sh{margin-bottom:36px;max-width:640px}
.sh small{display:block;color:var(--brass);font-weight:600;letter-spacing:.16em;text-transform:uppercase;font-size:.8rem;margin-bottom:8px}
.sh h2{margin:0}
.sh::after{content:"";display:block;width:56px;height:3px;background:var(--brass);margin-top:16px}
@media (max-width:640px){.sec{padding:60px 0}}