body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background-color: #004080;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

nav {
  background-color: #0066cc;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

nav a {
  color: #fff;
  padding: 1rem;
  text-decoration: none;
  display: block;
}

nav a:hover,
nav a.active {
  background-color: #004080;
}

main {
  padding: 1rem;
}

section {
  background-color: #e0f0ff;
  margin: 1rem auto;
  padding: 1.5rem;
  border-radius: 12px;
  max-width: 1000px;
}

h2 {
  color: #004080;
}

.gallery,
.video-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.gallery-item,
.video-item {
  max-width: 100%;
  flex: 1 1 300px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

img,
video {
  width: 100%;
  height: auto;
  display: block;
}

.caption {
  text-align: center;
  padding: 0.5rem;
  background-color: #cce5ff;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
  margin: auto;
}

input,
textarea,
button {
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 8px;
}

button {
  background-color: #004080;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #0066cc;
}

.share-box {
  text-align: center;
  margin-top: 2rem;
}

.share-box a {
  margin: 0 0.5rem;
  color: #004080;
  text-decoration: none;
  font-weight: bold;
}

footer {
  background-color: #004080;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
  }

  .gallery,
  .video-container {
    flex-direction: column;
    align-items: center;
  }
}