/* ===== TIMELINE INTERACTIVE ===== */

/* Timeline Container */
.timeline-interactive {
  position: relative;
  max-width: 900px;
  margin: 40px auto 0;
  padding: 0 20px;
}

/* Gradient line behind timeline */
.timeline-interactive::before {
  content: "";
  position: absolute;
  width: 4px;
  background: linear-gradient(180deg, #1f50dc 0%, #4bbf73 100%);
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(31, 80, 220, 0.3);
}

/* Experience Item */
.experience-item-interactive {
  position: relative;
  margin-bottom: 50px;
  width: calc(50% - 40px);
  cursor: pointer;
  animation: slideInUp 0.6s ease-out forwards;
  opacity: 0;
}

.experience-item-interactive:nth-child(odd) {
  margin-right: auto;
  margin-left: 0;
}

.experience-item-interactive:nth-child(even) {
  margin-left: auto;
  margin-right: 0;
}

/* Stagger animation delays */
.experience-item-interactive:nth-child(1) {
  animation-delay: 0.1s;
}
.experience-item-interactive:nth-child(2) {
  animation-delay: 0.2s;
}
.experience-item-interactive:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Timeline Point (Circle) */
.experience-item-interactive::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #1f50dc, #4bbf73);
  border-radius: 50%;
  top: 15px;
  border: 3px solid var(--page-bg);
  box-shadow: 0 0 0 0 rgba(31, 80, 220, 0.5),
    inset 0 0 10px rgba(255, 255, 255, 0.1);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 2;
}

.experience-item-interactive:nth-child(odd)::after {
  right: -50px;
}

.experience-item-interactive:nth-child(even)::after {
  left: -50px;
}

/* Hover state on circle */
.experience-item-interactive:hover::after {
  width: 30px;
  height: 30px;
  top: 10px;
  box-shadow: 0 0 0 8px rgba(31, 80, 220, 0.2),
    inset 0 0 10px rgba(255, 255, 255, 0.2);
  background: linear-gradient(135deg, #4bbf73, #1f50dc);
}

/* Content Card */
.experience-content-interactive {
  background: linear-gradient(
    135deg,
    rgba(31, 80, 220, 0.08) 0%,
    rgba(75, 191, 115, 0.04) 100%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 25px;
  border-radius: 12px;
  border: 1px solid rgba(31, 80, 220, 0.25);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

/* Shimmer effect on hover */
.experience-content-interactive::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s ease;
  pointer-events: none;
}

/* Hover state on card */
.experience-item-interactive:hover .experience-content-interactive {
  border-color: rgba(31, 80, 220, 0.6);
  background: linear-gradient(
    135deg,
    rgba(31, 80, 220, 0.15) 0%,
    rgba(75, 191, 115, 0.08) 100%
  );
  box-shadow: 0 10px 30px rgba(31, 80, 220, 0.15),
    0 0 20px rgba(31, 80, 220, 0.1);
  transform: translateY(-5px);
}

/* Shimmer animation on hover */
.experience-item-interactive:hover .experience-content-interactive::before {
  left: 100%;
}

/* Year Badge */
.experience-year-interactive {
  display: inline-block;
  background: linear-gradient(135deg, #1f50dc, #4bbf73);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 15px rgba(31, 80, 220, 0.3);
}

.experience-item-interactive:hover .experience-year-interactive {
  opacity: 1;
  transform: scale(1);
}

/* Title */
.experience-content-interactive h3 {
  color: var(--page-text);
  font-size: 1.3rem;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.experience-item-interactive:hover .experience-content-interactive h3 {
  color: #4bbf73;
  text-shadow: 0 0 10px rgba(75, 191, 115, 0.3);
}

/* Description */
.experience-content-interactive p {
  color: var(--page-text-muted);
  margin-bottom: 0;
  line-height: 1.6;
  transition: color 0.3s ease;
}

.experience-item-interactive:hover .experience-content-interactive p {
  color: var(--page-text);
}

/* Details Indicator Arrow */
.details-indicator {
  position: absolute;
  top: 50%;
  font-size: 1.5rem;
  color: #4bbf73;
  font-weight: bold;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1;
}

.experience-item-interactive:nth-child(odd) .details-indicator {
  right: -35px;
}

.experience-item-interactive:nth-child(even) .details-indicator {
  left: -35px;
}

.experience-item-interactive:hover .details-indicator {
  opacity: 1;
  font-size: 1.8rem;
}

.experience-item-interactive:nth-child(odd):hover .details-indicator {
  right: -40px;
}

.experience-item-interactive:nth-child(even):hover .details-indicator {
  left: -40px;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 992px) {
  .timeline-interactive::before {
    left: 30px;
  }

  .experience-item-interactive {
    width: 100%;
    padding-left: 70px;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .experience-item-interactive::after {
    left: 20px !important;
    right: auto !important;
  }

  .details-indicator {
    left: 0px !important;
    right: auto !important;
    top: 25px;
  }

  .experience-item-interactive:hover .details-indicator {
    left: -5px !important;
  }

  /* Agrandissement pour mobile */
  .experience-content-interactive {
    padding: 30px;
  }

  .experience-content-interactive h3 {
    font-size: 1.8rem;
  }

  .experience-content-interactive p {
    font-size: 1.5rem;
    line-height: 1.7;
  }

  .experience-year-interactive {
    padding: 8px 16px;
    font-size: 1.1rem;
    margin-bottom: 15px;
  }
}

@media (max-width: 768px) {
  .timeline-interactive::before {
    left: 15px;
  }

  .experience-item-interactive {
    padding-left: 60px;
  }

  .experience-item-interactive::after {
    left: 5px !important;
    width: 25px;
    height: 25px;
    top: 12px;
  }

  .experience-item-interactive:hover::after {
    width: 32px;
    height: 32px;
  }

  .details-indicator {
    display: none;
  }
}

@media (max-width: 576px) {
  .timeline-interactive {
    padding: 0 15px;
  }

  .timeline-interactive::before {
    left: 10px;
  }

  .experience-item-interactive {
    padding-left: 50px;
    margin-bottom: 40px;
  }

  .experience-item-interactive::after {
    left: 0px !important;
    width: 20px;
    height: 20px;
  }

  .experience-content-interactive {
    padding: 20px;
    border-radius: 10px;
  }

  .experience-content-interactive h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
  }

  .experience-content-interactive p {
    font-size: 1rem;
  }

  .experience-year-interactive {
    padding: 6px 12px;
    font-size: 0.9rem;
  }
}

/* ===== ANIMATION D'APPARITION GLOBALE ===== */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in.delay-2 {
  animation-delay: 0.4s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== PARTICLE EFFECTS ===== */

.timeline-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: linear-gradient(135deg, #1f50dc, #4bbf73);
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat 0.6s ease-out forwards;
  box-shadow: 0 0 8px rgba(31, 80, 220, 0.6);
}

@keyframes particleFloat {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(
        calc(var(--tx, 0.5) * 100px),
        calc(var(--ty, -0.5) * -100px)
      )
      scale(0);
  }
}

.experience-item-interactive.is-hovered .experience-content-interactive {
  animation: cardPulse 0.3s ease-out;
}

@keyframes cardPulse {
  0% {
    transform: translateY(-5px) scale(1);
  }
  50% {
    transform: translateY(-8px) scale(1.02);
  }
  100% {
    transform: translateY(-5px) scale(1);
  }
}