body {
  margin: 0;
  font-family: 'Open Sans', Arial, sans-serif;
  background-color: #f9f9f9;
  color: #333;
}

/* Encabezado */
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  padding: 15px 30px;
  border-bottom: 2px solid #e0e0e0;
}

/* Logo Universidad */
.logo-izquierdo {
    justify-self: center;
    height: 90px;
}
.logo-izquierdo img {
    height: 100%;
    width: auto;
}

/* Logo Gorrión */
.logo-derecho {
    justify-self: center;
    height: 140px;
}
.logo-derecho img {
    height: 100%;
    width: auto;
}

/* Títulos principales */
header h1 {
    text-align: center;
    font-size: 35px;
    color: #008000;
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

/* Menú Responsivo */
nav {
  background: #008000;
  position: relative;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  padding: 12px 18px;
  cursor: pointer;
  width: 100%;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

.menu-toggle span {
  margin-right: 10px;
  font-size: 1.2rem;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: block;
  padding: 12px 18px;
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  transition: background 0.3s;
  text-align: center;
}

nav ul li a:hover,
nav ul li a.activo {
  background: #006400;
}

main {
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Contenedor horizontal - Centrado */
.contenedor-horizontal {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.card {
  background-color: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  flex: 0 1 calc(50% - 30px);
  min-width: 300px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.imagen img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.contenido {
  padding: 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contenido h3 {
  color: #008000;
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 22px;
  margin-bottom: 15px;
  font-weight: 600;
}

.descripcion {
  color: #444;
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 16px;
}

.boton {
  background-color: #008000;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-family: 'Open Sans', Arial, sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  align-self: flex-start;
  font-size: 16px;
}

.boton:hover {
  background-color: #006400;
}

footer {
  background: #008000;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  font-family: 'Montserrat', sans-serif;
}

/* ===== RESPONSIVE ===== */

/* Tablets */
@media (max-width: 1000px) {
  nav ul li a {
    padding: 10px 12px;
    font-size: 14px;
  }
}

@media (max-width: 900px) {
  .card {
    max-width: 100%;
    flex: 0 1 100%;
  }
  
  /* Menú en dos filas para tablets */
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Móviles */
@media (max-width: 768px) {
  /* Header más compacto para móviles */
  .header-container {
    flex-direction: column;
    padding: 10px;
  }
  
  .logo-izquierdo, .logo-derecho {
    margin: 5px 0;
    height: 70px;
  }
  
  .logo-derecho {
    height: 100px;
  }
  
  header h1 {
    font-size: 24px;
    margin: 5px 0;
  }
  
  /* Menú hamburguesa para móviles - CENTRADO */
  .menu-toggle {
    display: block;
    text-align: center;
  }
  
  nav ul {
    display: none;
    flex-direction: column;
    text-align: center;
    width: 100%;
  }
  
  nav ul.mostrar {
    display: flex;
  }
  
  nav ul li a {
    padding: 15px 20px;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    justify-content: center;
    display: flex;
    align-items: center;
  }
  
  nav ul li:last-child a {
    border-bottom: none;
  }
  
  main {
    padding: 20px 10px;
  }
  
  .contenedor-horizontal {
    gap: 20px;
  }
  
  .card {
    min-width: 280px;
  }
  
  .contenido {
    padding: 20px;
  }
  
  .contenido h3 {
    font-size: 20px;
  }
  
  .descripcion {
    font-size: 15px;
  }
  
  .boton {
    padding: 10px 20px;
    font-size: 15px;
  }
}

/* Móviles pequeños */
@media (max-width: 480px) {
  .header-container {
    padding: 8px;
  }
  
  .logo-izquierdo {
    height: 60px;
  }
  
  .logo-derecho {
    height: 80px;
  }
  
  header h1 {
    font-size: 20px;
  }
  
  .menu-toggle {
    padding: 12px 15px;
    font-size: 1.3rem;
    text-align: center;
  }
  
  nav ul li a {
    padding: 12px 15px;
    font-size: 14px;
    text-align: center;
    justify-content: center;
  }
  
  main {
    padding: 15px 8px;
  }
  
  .contenedor-horizontal {
    gap: 15px;
  }
  
  .card {
    min-width: 250px;
  }
  
  .contenido {
    padding: 15px;
  }
  
  .contenido h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }
  
  .descripcion {
    font-size: 14px;
    margin-bottom: 15px;
  }
  
  .boton {
    padding: 10px 18px;
    font-size: 14px;
    width: 100%;
    text-align: center;
  }
  
  .imagen img {
    height: 160px;
  }
}
@import "mobile.css";