* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  background: #000;
  color: #fff;
}

header {
  background: #000;
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

footer {
  background: #000;
  padding: 1rem;
  position: relative; /* O posición por defecto */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 60px; /* Aproximadamente proporcional para 435x122 */
  width: auto;
}

.social a {
  margin-left: 1rem;
  display: inline-block;
}

.social img {
  height: 24px;
  width: 24px;
  filter: invert(1);
}

main {
  margin-top: 80px;
  margin-bottom: 80px;
}

.gallery img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  display: block;
  height: 100%;
}

@media (max-width: 768px) {
  .gallery img {
    height: auto;
  }
}

.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: none;
  color: white;
  font-size: 2rem;
  text-decoration: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: bounce 2s infinite;
  z-index: 200;
}

.scroll-to-top.show {
  opacity: 0.7;
}

.scroll-to-top:hover {
  opacity: 1;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}