/* About page — Journey timeline: layout, motion, hover */

@keyframes about-journey-fade-up {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes about-journey-line-shimmer {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 1;
  }
}

@keyframes about-journey-bg-drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-2%, 1%) scale(1.03);
  }
}

@keyframes about-journey-pulse-dot {
  0%,
  100% {
    box-shadow: 0 0 0 0 hsl(270 80% 40% / 0.35);
  }
  50% {
    box-shadow: 0 0 0 10px hsl(270 80% 40% / 0);
  }
}

.about-journey-section {
  background: linear-gradient(
    180deg,
    hsl(var(--muted) / 0.35) 0%,
    hsl(var(--background)) 45%,
    hsl(var(--muted) / 0.25) 100%
  );
}

.about-journey-bg {
  position: absolute;
  inset: -20% -10%;
  background: radial-gradient(
      ellipse 80% 50% at 20% 30%,
      hsl(270 70% 50% / 0.08),
      transparent 55%
    ),
    radial-gradient(
      ellipse 70% 45% at 85% 70%,
      hsl(45 100% 50% / 0.06),
      transparent 50%
    );
  pointer-events: none;
  animation: about-journey-bg-drift 18s ease-in-out infinite;
}

.about-journey-eyebrow {
  background: linear-gradient(
    135deg,
    hsl(var(--primary) / 0.12),
    hsl(var(--secondary) / 0.15)
  );
  border: 1px solid hsl(var(--primary) / 0.2);
  color: hsl(var(--primary));
}

.about-journey-track {
  position: relative;
  padding-left: 2.5rem;
}

@media (min-width: 768px) {
  .about-journey-track {
    padding-left: 0;
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
  }
}

.about-journey-line {
  position: absolute;
  left: 0.875rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 3px;
  border-radius: 9999px;
  background: linear-gradient(
    180deg,
    hsl(var(--primary) / 0.15),
    hsl(var(--primary)) 30%,
    hsl(var(--secondary)) 70%,
    hsl(var(--primary) / 0.15)
  );
  background-size: 100% 200%;
  animation: about-journey-line-shimmer 5s ease-in-out infinite;
}

@media (min-width: 768px) {
  .about-journey-line {
    left: 50%;
    transform: translateX(-50%);
  }
}

.about-journey-list {
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .about-journey-list {
    display: block;
  }
}

.about-journey-item {
  opacity: 0;
  animation: about-journey-fade-up 0.75s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--aj-delay, 0s);
}

.about-journey-dot {
  position: absolute;
  left: 0.125rem;
  top: 1.75rem;
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  background: var(--purple-gradient);
  border: 3px solid hsl(var(--background));
  z-index: 2;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.35s ease;
}

@media (min-width: 768px) {
  .about-journey-dot {
    left: 50%;
    margin-left: -0.5rem;
    top: 2rem;
    animation: about-journey-pulse-dot 2.8s ease-out infinite;
    animation-delay: var(--aj-delay, 0s);
  }
}

.about-journey-card {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.4s ease, border-color 0.35s ease,
    background-color 0.35s ease;
}

.about-journey-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 24px 48px -16px hsl(270 80% 40% / 0.2),
    0 0 0 1px hsl(var(--primary) / 0.12);
  border-color: hsl(var(--primary) / 0.35);
  background-color: hsl(var(--card));
}

.about-journey-card:hover .about-journey-year {
  color: hsl(var(--primary));
}

.about-journey-year {
  color: hsl(var(--foreground));
  transition: color 0.35s ease;
}

.about-journey-chip {
  opacity: 0.65;
  transition: opacity 0.35s ease, color 0.35s ease;
}

.about-journey-card:hover .about-journey-chip {
  opacity: 1;
  color: hsl(var(--secondary));
}

@media (min-width: 768px) {
  .about-journey-item--left .about-journey-card {
    margin-right: calc(50% + 1.75rem);
    margin-left: 0;
    text-align: right;
  }

  .about-journey-item--left .about-journey-card .flex {
    flex-direction: row-reverse;
  }

  .about-journey-item--right .about-journey-card {
    margin-left: calc(50% + 1.75rem);
    margin-right: 0;
    text-align: left;
  }

  .about-journey-item--left .about-journey-dot,
  .about-journey-item--right .about-journey-dot {
    left: 50%;
    margin-left: -0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-journey-bg,
  .about-journey-line,
  .about-journey-dot {
    animation: none;
  }

  .about-journey-item {
    opacity: 1;
    animation: none;
  }

  .about-journey-card:hover {
    transform: none;
  }
}