/* Variables de colores */
:root {
  --color-principal: #0b151d;
  --color-secundario: #253745;
  --color-terciario: #4A5C6A;
  --color-light: #9BA8AB;
  --color-light-200: #CCD0CE;
}

/* Fuente */
body {
  background-color: var(--color-principal);
  font-family: 'Open Sans', sans-serif;
  color: var(--color-light-200);
}

/* Encabezados y Navbar */
h1, h2, h3, h4, .navbar {
  font-family: 'Poppins', sans-serif;
  text-shadow: 3px 3px 2px rgba(0, 0, 0, 0.171);
}

/* Colores principales */
main {
  color: #fff;
}

section, main {
  padding: 100px 0;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-glass {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.137), rgba(0, 0, 0, 0.288));
  backdrop-filter: blur(0.3rem);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 20px 0 rgba(0, 0, 0, 0.37);
  color: #fff;
}

nav a, nav a.nav-link {
  color: #fff;
}

nav a:hover, nav a.nav-link:hover,
nav a:focus, nav a.nav-link:focus {
  color: var(--color-light);
}

/* Botón Gradiente */
.btn-grad {
  background-image: linear-gradient(to right, var(--color-principal) 0%, var(--color-secundario) 51%, var(--color-principal) 100%);
  transition: background-position 0.5s ease-out;
  background-size: 200% auto;
  color: white;
}

.btn-grad:hover {
  background-position: right center;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}

/* Separador Gradiente */
.separador {
  background-image: linear-gradient(to right, var(--color-principal) 0%, var(--color-terciario) 51%, var(--color-principal) 100%);
  height: 8px;
  transition: background-position 0.5s ease-out;
  background-size: 200% auto;
}

.separador:hover {
  background-position: right center;
  text-decoration: none;
}

/* Botón Volver Arriba */
#btnVolverArriba {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
  font-size: 18px;
  border: 0;
  background-image: linear-gradient(to right, var(--color-principal) 0%, var(--color-terciario) 51%, var(--color-principal) 100%);
  background-size: 200% auto;
  color: white;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  transition: opacity 0.3s ease-in-out, background-position 0.5s;
}

/* Portada */
.portada-grad {
  margin: auto;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(315deg, #4a0074 3%, #b131fa 38%, #ff1cc0 68%, #1c3aff 98%);
  animation: gradient 15s ease infinite;
  background-size: 400% 400%;
  background-attachment: fixed;
  position: relative;
  overflow: hidden;
  height: 450px;
}

.contenido {
  position: relative;
  z-index: 1;
}

/* Hamburguesa y Cruz Iconos */
.navbar-toggler-icon, .hamburguesa, .cruz {
  font-size: 24px;
}

.glass{
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0));
  backdrop-filter: blur(0.3rem);
  border-radius: 5px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 20px 0 rgba(0, 0, 0, 0.37);
}

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

.wave {
  background: rgb(255 255 255 / 25%);
  border-radius: 1000% 1000% 0 0;
  position: absolute;
  width: 200%;
  height: 6em;
  animation: wave 10s -3s linear infinite;
  transform: translate3d(0, 0, 0);
  opacity: 0.8;
  bottom: 0;
  left: 0;
  z-index: 0;
}

.wave:nth-of-type(2) {
  bottom: -1.25em;
  animation: wave 18s linear reverse infinite;
  opacity: 0.8;
}

.wave:nth-of-type(3) {
  bottom: -2.5em;
  animation: wave 20s -1s reverse infinite;
  opacity: 0.9;
}

@keyframes wave {
  2% {
      transform: translateX(1);
  }

  25% {
      transform: translateX(-25%);
  }

  50% {
      transform: translateX(-50%);
  }

  75% {
      transform: translateX(-25%);
  }

  100% {
      transform: translateX(1);
  }
}

.bg-card{
  /* background: var(--color-principal); */
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0));
  border: 2px solid rgba(255, 255, 255, 0.1);
}

#proyectos .carousel-item img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

/* Estilo de la imagen en pantalla completa */
.fullscreen-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  padding: 20px;
  object-fit: contain;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 9999;
}

/* Estilo del botón de pantalla completa dentro del carrusel */
.fullscreen-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 2px 5px;
  background-color: rgba(0, 0, 0, 0.6);
  color: var(--color-light-200);
  border: none;
  border-radius: 2px;
  cursor: pointer;
}

/* Estilo del botón de cerrar */
.close-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 2px 10px;
  background-color: rgba(0, 0, 0, 0.7);
  color: var(--color-light-200);
  border: 1px solid var(--color-light-200);
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  z-index: 10000;
}

#contacto .contenido a{
  color: var(--color-light);
}

#contacto .contenido a:hover{
  color: var(--color-terciario);
  text-decoration: underline;
}