body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0d0d0d;
  color: #fff;
  text-align: center;
}
.header {
  background: #0d1117;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0, 255, 255, 0.05) 10px,
    rgba(0, 255, 255, 0.05) 20px
  );
  color: #00ffff;
  text-align: center;
  padding: 2rem 1rem;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
  border-bottom: 1.5px solid #00ffff44;
}
.logo {
  width: 120px;
  border-radius: 50%;
}
h1 {
  font-size: 2.5rem;
  margin: 0.5rem 0;
}
section {
  margin: 2rem auto;
  max-width: 800px;
}
section h2 {
  color: #00f0ff;
  margin-bottom: 1rem;
}
ul {
  list-style: none;
  padding: 0;
}
ul li {
  margin: 0.5rem 0;
}
a {
  color: #00f0ff;
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: #ff00cc;
}
footer {
  background: #111;
  padding: 1rem;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #aaa;
}
.navbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  padding: 1rem 0;
  background-color: #0d1117;
  border-top: 1px solid #00ffff33;
  border-bottom: 1px solid #00ffff33;
}

.nav-link {
  color: #00ffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  transition: background-color 0.3s ease, color 0.3s ease;
  border: 1.5px solid transparent;
  text-align: center;
  min-width: 140px;
}

.nav-link:hover,
.nav-link:focus {
  background-color: #00ffff;
  color: #0d1117;
  border-color: #00ffff;
  outline: none;
}

/* Móvil - columna vertical */
@media (max-width: 599px) {
  .navbar {
    flex-direction: column;
    align-items: center;
  }
}

/* Tablet y desktop - fila horizontal */
@media (min-width: 600px) {
  .navbar {
    flex-direction: row;
  }
}

/* Estilo para la grilla de videos (últimos videos) */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 1rem;
}

.video-grid iframe {
  width: 100%;
  aspect-ratio: 16 / 8;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0, 255, 255, 0.25);
  border: none;
  transition: transform 0.3s ease;
}

.video-grid iframe:hover {
  transform: scale(1.04);
}

/* Responsive - Tablets (1 por fila) */
@media (min-width: 600px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}

/* Responsive - Escritorio (2 por fila) */
@media (min-width: 1024px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Título y texto de redes sociales más grande */
#contacto h2,
#contacto p {
  font-size: 1.4rem;
  text-align: center;
}

/* Estilo para los íconos de redes sociales */
.social-icons {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin: 1rem 0;
}

.social-icons a {
  font-size: 2rem;
  color: #00ffff;
  transition: transform 0.3s ease, color 0.3s ease;
}

.social-icons a:hover {
  transform: scale(1.2);
  color: #00bcd4;
}
.donation-buttons {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.3rem;
  color: #0d1117;
  text-decoration: none;
  background-clip: padding-box;
  box-shadow: 0 0 12px #00ffffaa;
  cursor: pointer;
  user-select: none;
  border: none;
  transition: background-color 0.4s ease, box-shadow 0.4s ease, transform 0.2s ease;
}

.paypal-btn {
  background-color: #003087;
  color: #ffffff;
}

.paypal-btn:hover,
.paypal-btn:focus {
  background-color: #001f54;
  box-shadow: 0 0 20px #0099ffcc;
  transform: scale(1.05);
}

.mercado-btn {
  background-color: #00a650;
  color: #ffffff;
}

.mercado-btn:hover,
.mercado-btn:focus {
  background-color: #007a3d;
  box-shadow: 0 0 20px #33cc55cc;
  transform: scale(1.05);
}

.btn i {
  font-size: 1.6rem;
}
.donation-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.donate-button {
  padding: 0.8rem 1.5rem;
  font-size: 1.2rem;
  font-weight: bold;
  border-radius: 10px;
  text-decoration: none;
  color: #fff;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.donate-button i {
  font-size: 1.4rem;
}

/* PayPal Estilo */
.donate-button.paypal {
  background-color: #00457C;
}
.donate-button.paypal:hover {
  background-color: #0070ba;
  transform: scale(1.05);
}

/* Mercado Pago Estilo */
.donate-button.mercado {
  background-color: #009ee3;
}
.donate-button.mercado:hover {
  background-color: #00c2f2;
  transform: scale(1.05);
}
.correo-colaboraciones {
  margin-top: 3rem;
}
.downloads-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
}

.download-card {
  background-color: #1e1e2f;
  border: 2px solid #2c2c3e;
  border-radius: 12px;
  padding: 1rem;
  width: 300px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.download-card a {
  color: #00ffff;
  font-weight: bold;
  text-decoration: none;
  display: block;
}

.download-card:hover {
  background-color: #00ffff11; /* leve resplandor celeste */
  border-color: #00ffff;
  box-shadow: 0 0 20px #00ffff55;
  transform: scale(1.03);
}
.boton-ayuda {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 14px 20px;
  background: linear-gradient(135deg, #00ffff, #0077ff);
  color: white;
  font-weight: bold;
  font-size: 16px;
  text-decoration: none;
  border-radius: 50px;
  box-shadow: 0 0 15px #00ffff;
  animation: brilloNeon 2s infinite ease-in-out;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 9999;
  text-shadow: 0 0 5px #00ffff;
}

.boton-ayuda:hover {
  transform: scale(1.1);
  background: linear-gradient(135deg, #00ccff, #0055ff);
  box-shadow: 0 0 25px #00ffff, 0 0 45px #0077ff;
  animation: brilloNeon 1s infinite ease-in-out;
}

@keyframes brilloNeon {
  0%, 100% {
    box-shadow: 0 0 12px #00ffff, 0 0 24px #00ffff, 0 0 36px #0077ff;
  }
  50% {
    box-shadow: 0 0 24px #00ffff, 0 0 48px #00ffff, 0 0 72px #0077ff;
  }
}

.boton-volver-container {
  text-align: center;
  margin: 50px 0 30px 0;
}

.boton-volver {
  display: inline-block;
  padding: 14px 28px;
  font-size: 16px;
  color: #0ff;
  background-color: #111;
  border: 2px solid #0ff;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 0 10px #0ff, 0 0 20px #0ff inset;
  transition: all 0.3s ease;
}

.boton-volver:hover {
  background-color: #0ff;
  color: #111;
  box-shadow: 0 0 15px #0ff, 0 0 30px #0ff;
  transform: scale(1.05);
}

.ayuda-videos ul li {
  margin-bottom: 1.2rem; /* Aumenta el espacio entre cada ítem */
}

.redes-sociales {
  margin-top: 40px;
  padding: 20px;
  background-color: #111; /* Fondo oscuro */
  border-radius: 8px;
  text-align: center;
  color: #00ffff;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.redes-sociales h3 {
  margin-bottom: 15px;
  font-size: 1.5em;
}

.social-list {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
}

.social-list li a {
  color: #00ffff;
  text-decoration: none;
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s ease;
}

.social-list li a:hover {
  color: #ff0000; /* Color rojo para hover */
}

.social-list img {
  width: 24px;
  height: 24px;
}