body {
  font-family: Arial, sans-serif;
  /* Mantenemos tu degradado pero con colores oscuros */
  background: linear-gradient(to bottom, #0a0a0a, #1a1a1a); 
  margin: 0;
  padding: 0;
  color: white; /* Texto base blanco */
}
html {
  font-family: Arial, sans-serif;
  background:#0a0a0a;
}
header {
  background: none; 
  text-align: center;
  padding: 20px 0;
}

.logo-header img {
  max-width: 600px;
  width: 50%;
  height: auto;
}
header nav a {
  color: #00b7c2;
  margin: 0 10px;
  text-decoration: none;
}
main {
  max-width: 1000px;
  margin: auto;
  padding: 20px;
  padding-bottom: 60px;
}

.categorias {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin: 40px 0;
}
.categoria {
  background: #00b7c2;
  color: white;
  padding: 20px 40px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1.2em;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0,0,0,0.5);
  transition: 0.3s;
}
.categoria:hover {
  background: #00b7c2;
}
.cards {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.card {
  background: #1a1a1a; /* Cambio de blanco a oscuro */
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  padding: 15px;
  text-align: center;
  border: 1px solid #333;
}
.card img {
  max-width: 100%;
  border-radius: 8px;
}
.card h3 {
  margin: 10px 0 5px;
  color: #00b7c2;
}
.card a {
  display: inline-block;
  margin-top: 10px;
  color: #00b7c2;
  text-decoration: none;
  font-weight: bold;
}
.guia {
  max-width: 800px;
  margin: auto;
  padding: 20px;
  background: #1a1a1a; /* Cambio de blanco a oscuro */
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
  border: 1px solid #333;
}
.guia .intro {
  font-size: 1.1em;
  background: #252525; /* Cambio de gris claro a oscuro */
  padding: 15px;
  border-left: 5px solid #00b7c2;
  border-radius: 5px;
  color: #ccc;
}
.guia img.imagen-guia {
  max-width: 100%;
  border-radius: 8px;
  margin: 20px 0;
}
.guia table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.guia table, .guia th, .guia td {
  border: 1px solid #333;
}
.guia th, .guia td {
  padding: 10px;
  text-align: center;
}
.guia th {
  background: #00b7c2;
  color: black;
}
.guia td {
  color: #ddd;
}
.volver {
  display: block;
  margin-top: 20px;
  text-align: center;
  text-decoration: none;
  color: #00b7c2;
  font-weight: bold;
}
.volver:hover {
  text-decoration: underline;
}
.card-horizontal {
  display: flex;
  gap: 20px;
  background: #1a1a1a; /* Cambio de blanco a oscuro */
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  padding: 15px;
  align-items: center;
  margin-bottom: 20px;
  border: 1px solid #333;
}

.card-horizontal img {
  max-width: 200px;
  border-radius: 8px;
  flex-shrink: 0;
}

.contenido-card {
  flex: 1;
}

.contenido-card h3 {
  margin-top: 0;
  color: #00b7c2;
}

.contenido-card a {
  display: inline-block;
  margin-top: 10px;
  color: #00b7c2;
  text-decoration: none;
  font-weight: bold;
}

.contenido-card a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .card-horizontal {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .card-horizontal img {
    max-width: 100%;
  }
}
.botonera {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 20px 0;
}

.botonera .btn {
  display: inline-block;
  padding: 10px 25px;
  background-color: transparent; /* Cambio a transparente para que luzca el borde */
  color: #00b7c2;
  text-decoration: none;
  border: 2px solid #00b7c2; /* Mantengo tu borde celeste */
  border-radius: 8px;
  font-weight: bold;
  transition: 0.3s;
}

.botonera .btn:hover {
  background-color: #00b7c2;
  color: black;
}
footer {
  background-color: #000; /* Fondo negro */
  color: #666; 
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  border-top: 3px solid #00b7c2;
}

.promo-card {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

.promo-card img {
  width: 500px;
  height: auto;
  border: 3px solid #00b7c2;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  transition: transform 0.3s, box-shadow 0.3s;
}

.promo-card img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 18px rgba(0,0,0,0.8);
}
.pulse-logo {
  width: 200px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.85; }
  100% { transform: scale(1); opacity: 1; }
}

/* PASOS COLORIDOS (Fondo oscuro) */
.paso, .paso1, .paso2, .paso3, .paso4, .paso5, .paso6 {
  font-size: 1.1em;
  background: #1e1e1e; /* Fondo oscuro sutil */
  padding: 15px;
  border-radius: 5px;
  margin-bottom: 10px;
}
.paso { border-left: 5px solid #ff8800; }
.paso1 { border-left: 5px solid #fff56c; }
.paso2 { border-left: 5px solid #6fff6a; }
.paso3 { border-left: 5px solid #00ffff; }
.paso4 { border-left: 5px solid #1100ff; }
.paso5 { border-left: 5px solid #9900ff; }
.paso6 { border-left: 5px solid #ff00d4; }

/* ACORDEÓN */
.categoria-header {
    background-color: #1a1a1a;
    color: #00b7c2;
    padding: 15px;
    width: 100%;
    text-align: center;
    border: 1px solid #00b7c2;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    text-transform: uppercase;
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}
.category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0 0 8px 8px;
}