/* main.css enriquecido */

body {
  font-family: "Inter", sans-serif;
  background-color: #f4f8fb;
  color: #333;
  scroll-behavior: smooth;
  position: relative;
  z-index: 1;
}

body::before {
  content: "";
  background: url("../Images/CEA.jpeg") no-repeat center center fixed;
  background-size: cover;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  opacity: 0.1;
  z-index: -1;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 600;
  color: #0d47a1;
}

img {
  max-width: 100%;
  height: auto;
}

/* Header */
header img {
  max-width: 140px;
  margin-bottom: 1rem;
}

/* Navbar */
.main-nav a {
  margin: 0 1rem;
  color: #1e88e5;
  font-weight: 600;
  text-decoration: none;
  position: relative;
}

.main-nav a::after {
  content: "";
  display: block;
  height: 3px;
  width: 0;
  background-color: #1e88e5;
  transition: width 0.3s ease;
  position: absolute;
  bottom: -5px;
  left: 0;
}

.main-nav a:hover::after {
  width: 100%;
}

.main-nav a:hover {
  color: #0d47a1;
}

/* Institucional Cards */
.institucional .card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.85);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.institucional .card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

/* Carreras */
.card img {
  border-radius: 10px 10px 0 0;
  height: 180px;
  object-fit: cover;
}

.card h5 {
  margin-top: 0.5rem;
  font-size: 1.1rem;
}

/* Galería tipo carrusel */
.carousel-item img {
  max-height: 400px;
  object-fit: cover;
  width: 100%;
  border-radius: 10px;
}

.carousel-inner {
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* WhatsApp button */
.whatsapp-btn {
  background-color: #25d366;
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  display: inline-block;
  margin-top: 1rem;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s;
}

.whatsapp-btn:hover {
  background-color: #1ebc59;
  transform: scale(1.05);
}

/* Footer */
footer iframe {
  width: 100%;
  max-width: 900px;
  height: 300px;
  border-radius: 10px;
  border: none;
  margin-top: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

footer {
  background-color: #1e88e5;
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}

footer p {
  margin-top: 1rem;
  font-size: 1rem;
}

/* Animaciones suaves */
section {
  animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .main-nav a {
    margin: 0.5rem;
    font-size: 0.95rem;
  }

  .card img {
    height: 150px;
  }

  footer iframe {
    height: 200px;
  }
}
.seccion-animada {
  background: linear-gradient(270deg, #1976d2, #0d47a1, #1976d2);
  background-size: 600% 600%;
  animation: movimientoFondo 15s ease infinite;
  color: white;
  padding: 4rem 1rem;
  text-align: center;
}

@keyframes movimientoFondo {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.seccion-animada h2 {
  font-size: 2.5rem;
  animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nivel-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nivel-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}

/* Efecto de entrada en el título */
header h1 {
  animation: fadeSlide 1.2s ease-in-out;
}

@keyframes fadeSlide {
  0% {
    opacity: 0;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Efecto hover en tarjetas */
.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Transición suave en navbar */
.main-nav a {
  transition: color 0.3s ease, transform 0.3s ease;
}
.main-nav a:hover {
  transform: scale(1.1);
}

/* Animación para las imágenes del carrusel */
.carousel-item img {
  transition: transform 0.6s ease;
}
.carousel-item:hover img {
  transform: scale(1.02);
}

h2 {
  position: relative;
  overflow: hidden;
}

h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: #0d6efd;
  margin: 10px auto 0;
  animation: growLine 1s ease forwards;
}

@keyframes growLine {
  from {
    width: 0;
  }
  to {
    width: 60px;
  }
}