body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  text-align: center;
}

header {
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 1000;
  padding-bottom: 10px;
  border-bottom: 1px solid #ccc;
}

header .buttons {
  margin: 10px 0;
}

.btn {
  display: inline-block;
  margin: 5px;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  color: white;
}

.btn.whatsapp {
  background: #25d366;
}

.btn.instagram {
  background: #e1306c;
}

.main-wrapper {
  position: relative;
  display: inline-block;
}

.main-image {
  max-width: 100%;
  height: auto;
}

.warning {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: #25d366;
  color: #fff;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 6px;
  text-transform: uppercase;
  animation: blink 1.2s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.gallery-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 10px auto;
  border-radius: 5px;
}