body {
  background-color: #0a1f44;
  color: #fff;
  font-family: 'Orbitron', sans-serif;
  scroll-behavior: smooth;
}

.navbar {
  transition: background 0.3s;
}
.navbar-brand, .nav-link, .dropdown-item {
  color: #ffffff !important;
}
.nav-link:hover, .dropdown-item:hover {
  background-color: #1a2b5c !important;
  border-radius: 5px;
}

/* Hero */
.hero {
  height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(180deg, #061634, #0a1f44);
}
.hero h1 span {
  color: #00bfff;
}

/* Fade-in */
.fade-in { opacity: 0; animation: fadeIn 1s forwards; }
.fade-in-delay { opacity: 0; animation: fadeIn 1s 0.5s forwards; }
.fade-in-delay2 { opacity: 0; animation: fadeIn 1s 1s forwards; }
@keyframes fadeIn { to { opacity: 1; } }

.fade-in img {
  transition: all 0.4s ease;
  border-radius: 10px;
}

/* Efecto de destello azul intenso */
.fade-in img:hover {
  box-shadow: 0 0 30px 10px rgba(0, 200, 255, 1);
  transform: scale(1.05);
  filter: brightness(1);
  cursor: pointer;
}


/* Sección títulos */
.section-title {
  margin: 50px 0 30px 0;
  font-weight: bold;
  font-size: 2.5rem;
  position: relative;
}
.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background-color: #00bfff;
  margin: 10px auto 0 auto;
  border-radius: 2px;
}

/* Team */
.team-member img {
  border-radius: 50%;
  width: 150px;
  height: 150px;
  object-fit: cover;
  margin-bottom: 10px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.team-member img:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px #00bfff;
}

/* Cards semestres */
.card {
  background-color: #061634;
  transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 191, 255, 0.5);
}

/* Ocultar páginas por defecto */
.page { display: none; }
.page.active { display: block; }

#semestre1 .content {
  line-height: 1.6;
}
#semestre1 h3, #semestre1 h4 {
  color: #00bfff;
}