.letraVerde{
  color: var(--secondary-color);
}
.letraAzul{
  color: var(--primary-color);
}
main{
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(to right, #daeaf6, #f0f7ff);
}
#mapa{
  width: 100%;
  height: 100%;
  margin: 3px;
}
.bloque-principal {
  background-color: #ffffff;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.lista-scroll {
  max-height: 350px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.lista-scroll::-webkit-scrollbar {
  width: 6px;
}

.lista-scroll::-webkit-scrollbar-thumb {
  background-color: #ccc;
  border-radius: 4px;
}

.lista-scroll li {
  padding: 10px 15px;
  border-bottom: 1px solid #ddd;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-weight: 500;
  color: #333;
}

.lista-scroll li:hover {
  background-color: #e9f5ff; /* un celeste suave */
  color: #007bff; /* color azul bootstrap para resaltar */
}

.lista-scroll li.active {
  background-color: #007bff;
  color: white;
  font-weight: 700;
}
#info-extra h6 {
  font-weight: 600;
  margin-bottom: 0.3rem;
}

#info-extra p {
  font-size: 0.95rem;
  line-height: 1.4;
}
.titulo-seccion {
  font-size: 2.5rem;
  font-weight: 700;
  
  display: inline-block;
  margin-bottom: 1rem;
  color: #111;
}
.titulo-seccion span {
  color: #007e33 ; 
  border-bottom: 5px solid #007e33;
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
  
}
.descripcion-seccion {
  font-size: 1.1rem;
  color: #444;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}
.extras-cards-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  padding: 1rem 0;
}
.card-flip {
  background: white;
  border-radius: 0.5rem;
  min-width: 210px;
  max-width: 100%;
  height: 320px;
  perspective: 1000px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.1);
  transition: box-shadow 0.3s ease;
}

.card-flip:hover {
  box-shadow: 0 8px 20px rgb(0 0 0 / 0.3);
}

.card-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.card-flip:hover .card-flip-inner {
  transform: rotateY(180deg);
}

.card-flip-front, .card-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 0.5rem;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  box-sizing: border-box;
}

.card-flip-front {
  background-color: #ffffff;
  color: #333333;
}

.card-flip-front i {
  font-size: 4rem;
  color: var(--primary-color); /* azul Bootstrap */
  margin-bottom: 1rem;
}
.card-flip-front h3 {
  margin-bottom: 0.5rem;
}

.card-flip-back {
  background-color: var(--primary-color);
  color: white;
  transform: rotateY(180deg);
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.4;
}
#colab .card-flip{
  min-width: 220px;
}
@media (max-width: 576px){
  #colab .card-flip{
  min-width: 170px;
  }
}
.dosProyectos{
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.circulo-icono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;           /* tamaño del círculo */
  height: 60px;
  border-radius: 50%;    /* forma circular */
  border: 2px solid #28a745; /* color del borde (verde por ejemplo) */
  color: #28a745;        /* color del ícono */
  font-size: 24px;       /* tamaño del ícono */
  transition: all 0.3s ease;
  margin-top: 10px;
}

.circulo-icono:hover {
  background-color: #28a745;
  color: white;
}
#emailTexto {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.5s ease;
  transform: scaleY(0);
  transform-origin: top;
}

#emailTexto.activo {
  margin-top: 10px;
  max-height: 100px; /* suficiente para el contenido */
  opacity: 1;
  transform: scaleY(1);
}


.blur-in{animation:blur-in 0.4s linear both} @keyframes blur-in{0%{filter:blur(12px);opacity:0}100%{filter:blur(0);opacity:1}}
.slide-top{animation:slide-top 0.4s linear both}@keyframes slide-top{0%{transform:translateY(0)}100%{transform:translateY(-100px)}}