/* Base Styling */
body {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  background-color: #0c0c0c;
  color: #f0f0f0;
}

header {
  background-color: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5em 1em;
  border-bottom: 2px solid red;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  height: 50px;
}

nav button {
  background: transparent;
  color: #f44336;
  border: 1px solid #f44336;
  padding: 0.5em 1em;
  margin: 0 0.5em;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}

nav button:hover {
  background: #f44336;
  color: #0c0c0c;
  transform: scale(1.05);
}

h1 {
  font-size: 1.5em;
  color: #fff;
}

/* Main Section */
main {
  padding: 2em;
}

.universe-section {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.universe-section.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Gallery */
.gallery {
  display: flex;
  gap: 1em;
  margin-top: 1em;
  flex-wrap: wrap;
}

.gallery img {
  max-width: 300px;
  width: 100%;
  height: auto;
  border: 2px solid #f44336;
  box-shadow: 0 0 10px red;
  transition: transform 0.3s;
}

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

/* Footer */
footer {
  text-align: center;
  padding: 1em;
  background-color: #111;
  color: #888;
}

.red-link {
    color: rgb(173, 3, 3);
  }