/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Open Sans', sans-serif; line-height: 1.6; }

/* Navbar */
.navbar {
  display: flex; justify-content: space-between; align-items: center;
  background: #222; padding: 10px 20px; position: relative;
}
.logo img { height: 50px; max-width: 100%; }
.nav-links { list-style: none; display: flex; }
.nav-links li { position: relative; }
.nav-links a {
  color: #fff; text-decoration: none; padding: 10px 15px; display: block;
}
.nav-links a:hover { background: #444; }

/* Dropdown */
.dropdown-menu {
  display: none; position: absolute; background: #333; list-style: none;
  min-width: 180px; border: 1px solid #555;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4); z-index: 999;
  opacity: 0; transform: translateY(-10px);
  transition: all 0.3s ease;
}
.dropdown:hover .dropdown-menu {
  display: block; opacity: 1; transform: translateY(0);
}
.dropdown-menu li a { padding: 12px; color: #fff; }
.dropdown-menu li a:hover { background: #555; }

/* Hero */
.hero {
  background: url('img-portada-face.jpg') no-repeat center center/cover;
  color: #fff;
  text-align: center;
  padding: 100px 20px;
  position: relative;
  overflow: hidden; /* opcional, evita que el ::before se desborde */
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(34,34,34,0.5); /* overlay semitransparente */
  z-index: 0; /* lo manda detrás del texto */
}

.hero h1,
.hero p {
  position: relative;
  z-index: 1; /* texto encima del overlay */
}

/* Contenido */
.contenido { padding: 40px 20px; }

/* Footer */
footer { background: #222; color: #fff; text-align: center; padding: 20px; }

/* Menú hamburguesa */
.menu-toggle { display: none; font-size: 28px; color: #fff; cursor: pointer; z-index: 1100; }

/* --- Responsivo --- */
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 0; left: -240px; height: 100%; width: 240px;
    background: #222; flex-direction: column; align-items: flex-start;
    padding-top: 60px; transition: left 0.4s ease, opacity 0.4s ease;
    z-index: 1000; opacity: 0;
  }
  .nav-links.active {
    left: 0; opacity: 1;
  }
  .nav-links li { width: 100%; }
  .nav-links a { color: #fff; padding: 15px; display: block; width: 100%; }
  .logo img { height: 40px; }
  .menu-toggle { display: block; }

  /* Dropdown en sidebar con animación */
  .dropdown-menu {
    position: static; display: block; max-height: 0; overflow: hidden;
    opacity: 0; transition: max-height 0.4s ease, opacity 0.4s ease;
    width: 100%; background: #333; border: none; box-shadow: none;
  }
  .dropdown.active .dropdown-menu {
    max-height: 500px; opacity: 1;
  }
  .dropdown-menu li a { padding-left: 30px; }
}

.galeria {
  padding: 40px 20px;
  text-align: center;
}

.galeria h2 {
  margin-bottom: 30px;
  font-size: 2em;
  color: #222;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 4 columnas en escritorio */
  gap: 20px;
}

/* Para tabletas (ej. entre 768px y 1024px) */
@media (max-width: 1024px) {
  .card-container {
    grid-template-columns: repeat(3, 1fr); /* 3 columnas */
  }
}

/* Para móviles (ej. menos de 768px) */
@media (max-width: 768px) {
  .card-container {
    grid-template-columns: 1fr; /* 1 columna */
  }
}

.card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.card img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.card-content {
  padding: 15px;
  text-align: left;
}

.card-content h3 {
  margin-bottom: 10px;
  font-size: 1.2em;
  color: #C0392B; /* color primario */
}

.card-content p {
  font-size: 0.95em;
  margin-bottom: 15px;
  color: #555;
}

.btn {
  display: inline-block;
  padding: 10px 15px;
  background: #2980B9; /* color secundario */
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #1f5a82;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* dos columnas */
  gap: 20px;
}

.card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.card-video {
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid #eee;
}

.card-content {
  padding: 15px;
}

.card-content h3 {
  margin-bottom: 10px;
  font-size: 1.2em;
  color: #C0392B;
}

.card-content p {
  font-size: 0.95em;
  margin-bottom: 15px;
  color: #555;
}

.btn {
  display: inline-block;
  padding: 10px 15px;
  background: #2980B9;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #1f5a82;
}

/* Responsivo: una columna en móviles */
@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}

html, body {
  height: 100%;              /* ocupa toda la pantalla */
  margin: 0;
  display: flex;
  flex-direction: column;    /* organiza en columna */
}

.page-content {
  flex: 1;                   /* ocupa todo el espacio disponible */
  padding: 20px;
}

.site-footer {
  background-color: #222;
  color: #fff;
  text-align: center;
  padding: 20px;
}

.site-footer {
  background: linear-gradient(135deg, #1a1a1a, #333, #444); /* degradado elegante */
  color: #fff;
  padding: 30px 40px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer-logo img {
  height: 60px;
}

.footer-info a {
  color: white;              /* color inicial */
  text-decoration: none;     /* sin subrayado */
  margin-right: 15px;        /* espacio entre enlaces */
  font-weight: 500;
}

/* Enlace ya visitado */
.footer-info a:visited {
  color: #d3d3d3; /* gris claro */
}

/* Al pasar el mouse */
.footer-info a:hover {
  color: #f0f0f0; /* blanco suave */
  text-decoration: underline; /* opcional */
}

/* Al hacer clic (activo) */
.footer-info a:active {
  color: #cccccc; /* otro tono de gris */
}


.footer-info h4 {
  margin: 0;
  font-size: 20px;
  font-weight: bold;
}

.footer-info p {
  margin: 4px 0;
  font-size: 14px;
}

.footer-social {
  display: flex;
  gap: 15px;
}

.footer-social a {
  color: #fff;
  font-size: 24px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  color: #ffcc00;              /* cambia color */
  transform: scale(1.3) rotate(10deg); /* zoom + rotación */
  text-shadow: 0 0 15px #ffcc00; /* brillo llamativo */
}

/* Responsivo */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .footer-logo {
    margin-bottom: 15px;
  }

  .footer-social {
    margin-top: 15px;
    justify-content: center;

  }
}

.video-gallery {
  display: grid;
  grid-template-columns: 1fr; /* una columna en móviles */
  gap: 30px;
  padding: 20px;
}

.video-item {
  position: relative;
}

.video-item iframe {
  width: 100%;
  height: 315px; /* altura estándar, se ajusta automáticamente */
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.5);
}

.video-desc {
  text-align: center;
  margin-top: 10px;
  font-size: 14px;
  color: #ddd;
  font-style: italic;
}

/* Dos columnas en pantallas medianas/grandes */
@media (min-width: 768px) {
  .video-gallery {
    grid-template-columns: 1fr 1fr;
  }
}

/* Contenedor centrado */
    .center {
      min-height: 100%;
      display: grid;
      place-items: center;
      padding: 2rem;
    }

    /* Tarjeta con brillo suave */
    .card {
      text-align: center;
      padding: 3rem 2.5rem;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.04);
      backdrop-filter: blur(6px);
      box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.08),
        0 0 40px 10px rgba(110, 243, 255, 0.08);
      animation: float 6s ease-in-out infinite;
    }

    /* Título con gradiente animado y glow */
    .title {
      font-size: clamp(2.2rem, 6vw, 5rem);
      font-weight: 800;
      letter-spacing: 0.02em;
      margin: 0 0 0.75rem;
      background: linear-gradient(90deg, var(--accent1), var(--accent2), var(--accent3));
      background-size: 200% 200%;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      animation: shine 8s ease-in-out infinite;
      text-shadow:
        0 0 12px rgba(255, 110, 199, 0.25),
        0 0 24px rgba(110, 243, 255, 0.15);
    }

    /* Subtítulo */
    .subtitle {
      font-size: clamp(1rem, 2.6vw, 1.4rem);
      opacity: 0.9;
      margin: 0.25rem 0 0;
    }

    /* Botón opcional */
    .cta {
      display: inline-block;
      margin-top: 1.5rem;
      padding: 0.9rem 1.25rem;
      border-radius: 14px;
      font-weight: 600;
      color: #0b0c1a;
      background: linear-gradient(135deg, var(--accent2), var(--accent3));
      box-shadow: 0 10px 24px rgba(110, 243, 255, 0.25);
      border: none;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    }
    .cta:hover {
      transform: translateY(-2px);
      filter: brightness(1.05);
      box-shadow: 0 14px 32px rgba(255, 214, 110, 0.28);
    }

    /* Animaciones */
    @keyframes shine {
      0%, 100% { background-position: 0% 50%; }
      50%      { background-position: 100% 50%; }
    }
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50%      { transform: translateY(-6px); }
    }

  .iframe-container {
  width: 80%;                /* ancho relativo a la pantalla */
  max-width: 1200px;         /* límite en pantallas grandes */
  margin: 20px auto;         /* centra horizontalmente con márgenes */
  box-shadow: 0 0 15px rgba(0,0,0,0.2); /* opcional: sombra */
}

.iframe-container iframe {
  width: 100%;               /* ocupa todo el ancho del contenedor */
  height: 600px;             /* ajusta la altura según lo que necesites */
  border: none;              /* elimina borde */
}

.botones-container {
  display: grid;
  grid-template-columns: repeat(6, 1fr); /* 6 columnas en escritorio */
  gap: 20px;
  max-width: 1200px;
  margin: 40px auto;
}

/* 📱 Ajuste para tablets y celulares */
@media (max-width: 992px) {
  .botones-container {
    grid-template-columns: repeat(3, 1fr); /* 3 columnas en pantallas medianas y pequeñas */
  }
}

.boton {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 15px;
  background: #f0f0f0;
  border-radius: 10px;
  text-align: center;
  text-decoration: none;      /* quita subrayado de enlace */
  color: inherit;             /* mantiene color del texto */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.boton img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.boton:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 📱 Ajuste para pantallas medianas */
@media (max-width: 992px) {
  .botones-container {
    grid-template-columns: repeat(5, 1fr); /* 3 columnas */
  }
}

/* 📱 Ajuste para móviles */
@media (max-width: 600px) {
  .botones-container {
    grid-template-columns: repeat(3, 1fr); /* 1 columna */
  }
}

.footer-bottom {
  text-align: center;
  margin-top: 20px;
  border-top: 1px solid #444;
  padding-top: 10px;
  font-size: 0.9em;
}