html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* === FOOTER PROFESIONAL === */
.footer-custom {
  background-color: #002244;
  color: white;
  padding: 40px 0 20px 0;
  text-align: left;
  width: 100%;
  box-sizing: border-box;
  margin-top: 0 !important;
}

.footer-custom .footer-link {
  color: #ddd;
  text-decoration: none;
}

.footer-custom .footer-link:hover {
  color: white;
  text-decoration: underline;
}

.footer-custom i {
  margin-right: 6px;
}

.footer-custom .text-center {
  font-size: 0.9rem;
  color: #ccc;
}

/* === BOTÓN VOLVER ARRIBA === */
.btn-volver-arriba {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 50%;
  padding: 10px 14px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.btn-volver-arriba:hover {
  background-color: #0056b3;
}

@media (max-width: 768px) {
  .slider-texto {
    top: 12% !important;          /* Más arriba */
    font-size: 1.4rem !important; /* Más chico */
    line-height: 1.1;
    height: auto;
  }

  .frase {
    position: static;
    opacity: 1 !important;
    animation: none !important;   /* Sin animaciones en móvil */
  }
}