body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
}
h1 {
  text-align: center;
  background-color: #003366;
  color: white;
  padding: 1rem;
}
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}
.map {
  position: relative;
  max-width: 1000px;
  width: 100%;
  z-index: 0;
}
.map img {
  width: 100%;
  border: 2px solid #333;
  z-index: 0;
}
.point {
  position: absolute;
  background: rgba(0, 102, 204, 0.9);
  color: white;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  text-align: center;
  line-height: 22px;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.2s;
  z-index: 1; /* points toujours en fond */
}
.point:hover {
  transform: scale(1.2);
}
.tooltip {
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  color: #333;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  width: 220px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  z-index: 10000; /* bulle toujours en haut */
  white-space: normal;
  opacity: 0;
  transition: all 0.3s ease;
  display: none;
}
.point:hover .tooltip {
  display: block;
  opacity: 1;
}
.tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 8px 8px 0 8px;
  border-style: solid;
  border-color: white transparent transparent transparent;
}