/* Firma institucional para el inicio: logo blanco sobre la fotografía HVAC. */
.hero-brand-logo {
    display: block;
    width: min(720px, 88vw);
    height: auto;
    margin: 0 auto 1.75rem;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.24));
}
.hero-motto{margin:-.55rem auto 1.35rem;font-family:var(--font-nav);font-size:clamp(.92rem,1.5vw,1.08rem);font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-accent);text-shadow:0 2px 12px rgba(0,0,0,.24)}
.btn-eventos{background:#c62828;color:#fff;border-color:#c62828;box-shadow:0 8px 22px rgba(135,20,20,.3)}.btn-eventos:hover{background:#a91f1f;border-color:#a91f1f;color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(135,20,20,.42)}

@media (max-width: 768px) {
    .hero-brand-logo {
        width: min(540px, 92vw);
        margin-bottom: 1.4rem;
    }
}