body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #fff;
  background: radial-gradient(circle at center, #2a3439 0%, #232b2b 100%);
  background-image: url('https://www.transparenttextures.com/patterns/grey-sandbag.png');
  background-repeat: repeat;
  background-attachment: fixed;
}

header, footer {
  background-color: rgba(17,17,17,0.9);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

header .logo img {
  height: 60px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-icon {
  width: 45px;
  height: 45px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background-color: #222;
  color: #fff;
  font-size: 20px;
  transition: 0.3s ease;
  text-decoration: none;
}

.social-icon:hover {
  background-color: #4169E1;
  transform: translateY(-3px);
}

main {
  text-align: center;
  padding: 80px 20px;
}

footer p {
  text-align: center;
  flex: 1;
}

ul { list-style: none; padding: 0; }
li { margin: 8px 0; }

.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.gallery img {
  width: 220px;
  border-radius: 5px;
  transition: transform 0.3s ease;
}

.gallery img:hover {
  transform: scale(1.05);
}