body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url('fondo.jpg') no-repeat center center fixed;
  background-size: cover;
  position: relative;
}
.overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.85);
  z-index: 0;
}
.content {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: auto;
  padding: 20px;
  text-align: center;
}
.logo {
  max-width: 120px;
  border-radius: 50%;
  margin-bottom: 10px;
}
h1 {
  font-size: 24px;
  margin: 5px 0;
}
p {
  font-size: 14px;
  color: #444;
  margin-bottom: 25px;
}
.buttons .btn {
  display: block;
  text-decoration: none;
  margin: 10px 0;
  padding: 14px;
  border-radius: 12px;
  font-size: 16px;
  color: white;
  font-weight: bold;
}
.whatsapp { background-color: #25D366; }
.catalogo { background-color: #FFA500; }
.instagram { background-color: #E1306C; }
.facebook { background-color: #3b5998; }
.ubicacion { background-color: #0077b5; }
.btn:hover {
  filter: brightness(1.1);
}
.tiktok { background-color: #000000; }

.btn img {
  height: 24px;
  vertical-align: middle;
  margin-right: 10px;
}