body {
  background: #0a0a0a;
  font-family: 'Orbitron', sans-serif;
  color: white;
  overflow-x: hidden;
}
.glitch {
  position: relative;
  color: white;
  font-size: 3rem;
  font-weight: bold;
  animation: glitch 2s infinite;
}
@keyframes glitch {
  0% { text-shadow: 2px 2px #c1121f; }
  20% { text-shadow: -2px -2px #d4af37; }
  40% { text-shadow: 2px -2px #c1121f; }
  60% { text-shadow: -2px 2px #d4af37; }
  100% { text-shadow: 2px 2px #c1121f; }
}
.accent-red { color: #c1121f; }
.accent-gold { color: #d4af37; }
.accent-blue { color: #1277c1; }

section {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  padding: 3rem;
}
/* Bouton retour haut */
#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #c1121f;
  color: white;
  border: 2px solid #d4af37;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  z-index: 999;
}
#backToTop.show {
  opacity: 1;
  visibility: visible;
}
/* Timeline */
.timeline {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 80%;
  margin: 3rem auto;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #c1121f, #d4af37);
}
.event {
  position: relative;
  text-align: center;
  flex: 1;
}
.event .dot {
  width: 20px;
  height: 20px;
  background: #c1121f;
  border: 3px solid #d4af37;
  border-radius: 50%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.event .year {
  margin-top: 40px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #d4af37;
}
.event .desc {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
}