/* Menú principal SCIMEC: mayor presencia y legibilidad */
.main-nav { gap: 34px; }

.main-nav a {
  color: #2a2a2a;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.7px;
  line-height: 1.2;
  padding: 10px 2px;
  text-transform: uppercase;
}

.main-nav a::after { height: 3px; }

@media (max-width: 1100px) and (min-width: 981px) {
  .main-nav { gap: 20px; }
  .main-nav a { font-size: 0.98rem; letter-spacing: 0.45px; }
}

@media (max-width: 980px) {
  .main-nav { gap: 0; }
  .main-nav a {
    font-size: 1.05rem;
    letter-spacing: 0.8px;
    padding: 16px 0;
  }
}