* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: #f7f8fa;
  color: #333;
}

/* Header */
header {
  background: linear-gradient(90deg, #0a183d, #002147);
  color: #fff;
  text-align: center;
  padding: 25px;
}

header h1 {
  font-size: 28px;
  margin-bottom: 8px;
  color: #fff;
}

header p {
  font-size: 14px;
  line-height: 1.6;
  color: #e1e1e1;
}

/* Gallery Section */
.gallery-container {
  width: 90%;
  max-width: 1200px;
  margin: 40px auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.gallery-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
}

.gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}

.gallery-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.gallery-card h3 {
  margin: 15px 0 8px;
  color: #002147;
  font-size: 20px;
}

.gallery-card p {
  color: #666;
  font-size: 14px;
  padding: 0 15px 10px;
}

.gallery-card button {
  background-color: #002147;
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  margin-bottom: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.gallery-card button:hover {
  background-color: #014cb3;
}

/* Expanded Gallery */
.photo-gallery {
  display: none;
  margin-top: 40px;
}

.photo-gallery h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #002147;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
}

.photo-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.photo-grid img:hover {
  transform: scale(1.05);
}

.back-btn {
  display: block;
  background: #555;
  color: #fff;
  border: none;
  padding: 10px 25px;
  border-radius: 5px;
  margin: 30px auto;
  cursor: pointer;
  transition: 0.3s;
}

.back-btn:hover {
  background: #333;
}

footer {
  background: #01325b;
  color: white;
  text-align: center;
  padding: 25px 10px;
  font-family: "Poppins", sans-serif;
  margin-top: 40px;
  box-shadow: 0 -3px 10px rgba(0,0,0,0.1);
}

.footer-container {
  max-width: 1200px;
  margin: auto;
}

footer a {
  color: #ffd700;
  text-decoration: none;
  font-weight: 500;
}

footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

footer .copyright {
  margin-bottom: 8px;
  font-size: 15px;
}

footer .credits {
  font-size: 14px;
  color: #d4d4d4;
}