html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: Arial, sans-serif;
  color: #fff;
}

/* Section principale */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Fond étoilé animé (rotation) */
.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url("../images/stars.png") center/cover no-repeat;
  animation: rotateStars 120s linear infinite;
  z-index: -2;
}

/* Calque scintillant */
.hero::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url("../images/stars.png") center/cover no-repeat;
  opacity: 0.6;
  animation: twinkleStars 6s ease-in-out infinite alternate;
  z-index: -1;
}

/* Animation de rotation */
@keyframes rotateStars {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Animation de scintillement */
@keyframes twinkleStars {
  from { opacity: 0.4; }
  to   { opacity: 0.8; }
}

/* Logo */
.logo img {
  max-width: 400px;
  width: 100%;
  height: auto;
  margin-bottom: 1.5rem;
  z-index: 1;
}

/* Texte */
.content {
  text-align: center;
  background: rgba(0,0,0,0.4);
  padding: 1rem 2rem;
  border-radius: 8px;
  z-index: 1;
}

.entity {
  font-weight: bold;
  font-size: 1.2rem;
  margin: 0;
}

.address {
  margin: 0.5rem 0 0;
  font-size: 1rem;
  line-height: 1.5;
}

/* Silhouette */
.silhouette {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  width: min(25vw, 300px);
  height: auto;
  opacity: 0.9;
  pointer-events: none;
  z-index: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .logo img { max-width: 280px; }
  .content { padding: 0.8rem 1.2rem; }
  .silhouette { width: min(40vw, 200px); right: 1rem; bottom: 1rem; }
}
.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url("../images/stars.png") center/cover no-repeat;
  animation: rotateStars 120s linear infinite;
  z-index: -3;
}

/* Calque scintillant lent */
.hero::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url("../images/stars.png") center/cover no-repeat;
  opacity: 0.6;
  animation: twinkleSlow 8s ease-in-out infinite alternate;
  z-index: -2;
}

/* Calque scintillant rapide */
.hero .twinkle-fast {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url("../images/stars.png") center/cover no-repeat;
  opacity: 0.5;
  animation: twinkleFast 3s ease-in-out infinite alternate;
  z-index: -1;
}

/* Animations */
@keyframes rotateStars {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes twinkleSlow {
  from { opacity: 0.4; }
  to   { opacity: 0.8; }
}

@keyframes twinkleFast {
  from { opacity: 0.3; }
  to   { opacity: 0.7; }
}