* {
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-image: linear-gradient(180deg, #6b7280 0%, #374151 100%);
}

header.menu-container {
  width: 90vw;
  max-width: 600px;
  background-color: #1f2937;
  padding: 60px 40px;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

h1.page-title {
  color: #f9fafb;
  font-size: 2rem;
  margin-bottom: 8px;
  text-align: center;
  letter-spacing: 2px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.astronomy-btn {
  background-color: transparent; /* Transparent pour reprendre le dégradé de body */
  color: #f9fafb;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  padding: 8px 32px;
  border: none;
  cursor: pointer;
  outline: none; /* Pas de bordure/outline */
  text-align: center;
}

.astronomy-btn:hover {
  background-color: #6B7894 !important; /* Gris neutre au survol - légèrement foncé par rapport à la teinte du gradient */
  color: white;
  border-radius: 50px;
}

footer {
  color: #d1d5db;
  text-align: center;
  font-size: 0.875rem;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 1px solid #374151;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}