/* ============================================================
   PS5 PORTFOLIO — PLAY HISTORY / TIMELINE PAGE
   ============================================================ */

.timeline-page {
  min-height: 100dvh;
  background: var(--color-bg);
  position: relative;
  overflow-x: hidden;
  padding-bottom: calc(var(--space-20) + 60px);
}

.timeline-page .dynamic-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--bg-gradient);
  background-size: 300% 300%;
  animation: backgroundShift 16s ease infinite;
}

.timeline-page > *:not(.dynamic-bg) {
  position: relative;
  z-index: 1;
}

/* ── Content container ── */
.timeline-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-8);
}

/* ── Header ── */
.timeline-header {
  text-align: center;
  margin-bottom: var(--space-12);
  animation: fadeIn 0.6s ease both;
}

.timeline-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

@media (min-width: 640px) {
  .timeline-title {
    font-size: var(--text-5xl);
  }
}

.timeline-subtitle {
  font-size: var(--text-base);
  font-weight: 300;
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
}

/* ── Timeline container ── */
.timeline {
  position: relative;
  padding: var(--space-8) 0;
}

/* ── Glowing center line ── */
.timeline__line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-accent),
    color-mix(in srgb, var(--color-accent) 40%, transparent)
  );
  box-shadow: 0 0 8px var(--color-accent-glow);
}

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

/* ── Timeline entry ── */
.timeline__entry {
  position: relative;
  padding-left: 52px;
  margin-bottom: var(--space-10);
}

/* Dot on timeline line */
.timeline__entry::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 3px solid var(--color-accent);
  z-index: 1;
  transition: box-shadow 300ms ease;
}

.timeline__entry:hover::before {
  box-shadow: 0 0 12px var(--color-accent-glow);
}

/* Current entry — pulsing dot */
.timeline__entry--current::before {
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent-glow);
  animation: pulseGlow 2.5s ease-in-out infinite;
}

/* Desktop: alternating sides */
@media (min-width: 768px) {
  .timeline__entry {
    width: 50%;
    padding-left: 0;
    padding-right: var(--space-10);
    margin-left: 0;
  }

  .timeline__entry::before {
    left: auto;
    right: -7px;
  }

  .timeline__entry:nth-child(even) {
    margin-left: 50%;
    padding-left: var(--space-10);
    padding-right: 0;
  }

  .timeline__entry:nth-child(even)::before {
    left: -7px;
    right: auto;
  }
}

/* ── Date badge ── */
.timeline__date {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.timeline__date-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
}

.timeline__now-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-3);
  background: var(--color-accent);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  animation: pulseGlow 2.5s ease-in-out infinite;
}

/* ── Card ── */
.timeline__card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all 250ms var(--ease-bounce);
}

.timeline__entry:hover .timeline__card {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 20px var(--color-accent-glow);
  border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
}

.timeline__entry--current .timeline__card {
  border-color: color-mix(in srgb, var(--color-accent) 40%, transparent);
}

.timeline__card-header {
  margin-bottom: var(--space-4);
}

.timeline__role {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
  margin-bottom: 2px;
}

.timeline__company {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.timeline__description {
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* ── Highlights ── */
.timeline__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.timeline__highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.timeline__highlight-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  font-weight: 700;
}

/* ── Tech tags ── */
.timeline__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.timeline__tech-tag {
  padding: 2px var(--space-3);
  background: var(--color-accent-subtle);
  border: 1px solid color-mix(in srgb, var(--color-accent) 25%, transparent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.03em;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .timeline-content {
    padding-top: var(--space-10);
  }
}