body {
  font-family: 'Segoe UI', sans-serif;
  background: #fffafc;
  text-align: center;
  padding: 40px;
  margin: 0;
  color: #444;
}
header h1 {
  font-size: 2em;
  color: #7b3fe4;
}
.rainbow {
  background: linear-gradient(90deg, red, orange, yellow, green, blue, indigo, violet);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cards {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 30px;
}
.card {
  text-decoration: none;
  background: #f0f8ff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  width: 250px;
  transition: 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  background: #e6f0ff;
}
.card h2 {
  margin: 0 0 10px;
  color: #007acc;
}
.card p {
  color: #666;
}

//* Logo responsive contrôlé par variable */
.logo-iriskids {
  width: 96px;
  max-width: 80vw;
  height: auto;
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .logo-iriskids {
    width: calc(96px * 1.2);
  }
}

@media (max-width: 480px) {
  .logo-iriskids {
    width: calc(96px * 1.4);
  }
}

header .baseline {
  font-size: 1.1em;
  margin-top: 0;
  color: #555;
}
footer {
  margin-top: 40px;
  padding-top: 10px;
  font-size: 0.75em;
  color: #bbb;
  border-top: 1px solid #eee;
}

footer .build-version {
  font-size: 0.7em;
  color: #ccc;
}