/* ========================================================================
   TIMELINE-SECTION.CSS — Section Frise Chronologique
   ========================================================================
   
   Purpose: Styles la section timeline avec frise verticale, cartes alternées,
            et animations au scroll. Utilisée sur la page d'accueil.
   
   Structure:
   - .timeline: Conteneur principal
   - .timelineRail: Frise verticale grise
   - .timelineItem: Conteneur de carte (alternance left/right)
   - .timelineDot: Points dorés sur la frise
   - .card: Contenu avec titre et paragraphe
   
   Variables CSS utilisées:
   - --primary, --primaryDark: Couleurs primaires
   - --muted: Couleur texte secondaire
   - --surface, --cardShadow: Styles cartes
   
   Notes: 
   - La ligne descend au-dessus/en-dessous du padding (top/bottom négatifs)
   - Images supprimées, cartes minimalistes (titre + paragraphe)
   - Points et titre en or (#C9A24A)
   ========================================================================== */

/* Styles pour le composant timeline uniquement */

.timeline {
  padding: 5px 0 110px;
  position: relative;
  background: var(--color-dark-alt);
  color: #fff;
  overflow: hidden;
}

.timeline .container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  position: relative;
}

.timeline .hero {
  text-align: left;
  padding-top: 20px;
  margin-bottom: 30px;
  background: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  min-height: auto !important;
}

.heroBadge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primaryDark);

  font-size: 12px;
  letter-spacing: 0.4px;
  margin-top: 50px;
}

.timeline .hero h1 {
  margin-top: 2px;
  margin-left: 0;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0.6px;
  text-align: left;
}

.timeline .hero h1 span {
  color: var(--c-cta, var(--color-accent-gold));
}

.timeline .hero p {
  margin: 10px 0 0 0;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.6;
  text-align: left;
}

.timelineRail {
  position: absolute;
  top: -90px;
  bottom: -200px;
  right: 350px;
  width: 2px;
  border-radius: 0;
  background: linear-gradient(
    180deg,
    rgba(150, 150, 150, 0.6),
    rgba(120, 120, 120, 0.4)
  );
  box-shadow: none;
}

.timelineItem {
  position: relative;
  width: 100%;
  margin: 0 0 50px;
  display: flex;
  justify-content: flex-start;
}

.timelineItem.right {
  justify-content: flex-end;
}

.timelineDot {
  width: 16px;
  height: 16px;
  background: var(--color-gold-trans-95);
  border-radius: 50%;
  position: absolute;
  right: 350px;
  transform: translateX(50%);
  top: 20px;
  box-shadow: none;
}

.timelineItem.right .card {
  margin-left: auto;
  margin-right: -200px;
}

.card {
  width: min(420px, 85%);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--cardShadow);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  position: relative;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.card:hover {
  /* Hover effect removed */
}

.cardTop {
  position: relative;
}

.imgWrap {
  width: 100%;
  height: 140px;
  background: linear-gradient(
    135deg,
    rgba(63, 81, 181, 0.12),
    rgba(255, 64, 129, 0.08)
  );
  overflow: hidden;
}

.imgWrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.35s ease;
}

.card:hover .imgWrap img {
  /* Hover effect removed */
}

.cardTop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
  pointer-events: none;
}

.date {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255, 64, 129, 0.92);
  color: #fff;
  font-weight: 900;
  letter-spacing: 0.3px;
  box-shadow: 0 14px 28px rgba(255, 64, 129, 0.25);
}

.cardBody {
  padding: 18px 18px 92px;
}

.cardBody h2 {
  font-size: 36px;
  margin-bottom: 8px;
}

.timeline-number {
  color: var(--color-gold-trans-1);
  margin-right: 8px;
}

.cardBody p {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.meta {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.meta li {
  position: relative;
  padding-left: 18px;
  color: rgba(33, 33, 33, 0.82);
  font-size: 14px;
}

.meta li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(63, 81, 181, 0.85);
  position: absolute;
  left: 0;
  top: 7px;
}

.footerNote {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(63, 81, 181, 0.85);
  box-shadow: 0 0 0 0 rgba(63, 81, 181, 0.35);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(63, 81, 181, 0.35);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(63, 81, 181, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(63, 81, 181, 0.35);
  }
}

/* reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}

.reveal.left {
  transform: translate(-56px, 16px);
}
.reveal.right {
  transform: translate(56px, 16px);
}

.reveal.show {
  opacity: 1;
  transform: translate(0, 0);
}

/* little arrow pointers like classic timeline */
.timelineItem.left .card::after,
.timelineItem.right .card::after {
  content: "";
  position: absolute;
  top: 36px;
  width: 0;
  height: 0;
  border-style: solid;
}

.timelineItem.left .card::after {
  right: -14px;
  border-width: 10px 0 10px 14px;
  border-color: transparent transparent transparent var(--surface);
  filter: drop-shadow(0 12px 14px rgba(0, 0, 0, 0.15));
}

.timelineItem.right .card::after {
  left: -14px;
  border-width: 10px 14px 10px 0;
  border-color: transparent var(--surface) transparent transparent;
  filter: drop-shadow(0 12px 14px rgba(0, 0, 0, 0.15));
}

/* Go top button */
.toTop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(245, 245, 245, 0.92);
  color: rgba(33, 33, 33, 0.88);
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.toTop.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.toTop:hover {
  transform: translateY(-2px);
}

/* responsive */
@media (max-width: 840px) {
  .timeline {
    padding: 5px 0 60px;
  }

  .timelineRail {
    left: 44px;
    right: auto;
    transform: none;
  }
  .timelineDot {
    left: 44px;
    transform: none;
  }

  .timelineItem {
    justify-content: flex-start !important;
  }

  .card {
    width: calc(100% - 74px);
    margin-left: 74px;
  }

  .timelineItem.left .card::after,
  .timelineItem.right .card::after {
    left: -14px;
    right: auto;
    border-width: 10px 14px 10px 0;
    border-color: transparent var(--surface) transparent transparent;
  }
}

@media (max-width: 600px) {
  .timeline .container {
    width: 100%;
    padding: 0 12px;
    box-sizing: border-box;
  }

  .timelineRail {
    display: none;
  }

  .timelineDot {
    display: none;
  }

  .timelineItem {
    justify-content: flex-start !important;
  }

  .card {
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
    min-height: auto;
  }

  .timelineItem.left .card::after,
  .timelineItem.right .card::after {
    display: none;
  }

  .timeline-number {
    font-size: 24px;
  }
}