/* ═══════════════════════════════════════════
   DİSKOGRAFİ — Premium zaman çizelgesi
   ═══════════════════════════════════════════ */

.discography-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(212, 175, 55, 0.06), transparent 55%),
    var(--bg-primary);
}

.discography-section .section-header {
  position: relative;
  z-index: 1;
}

.timeline-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  margin: -0.5rem auto 2.75rem;
  max-width: 42rem;
}

.timeline-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.timeline-legend-item i {
  font-size: 0.75rem;
}

.timeline-legend-item--milestone i { color: #c9a84c; }
.timeline-legend-item--album i { color: #9b7dff; }
.timeline-legend-item--hit i { color: #ff6b8a; }
.timeline-legend-item--tour i { color: #4ecdc4; }

.timeline-wrap {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 0.5rem 0 1rem;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(212, 175, 55, 0.15) 8%,
    rgba(212, 175, 55, 0.55) 50%,
    rgba(212, 175, 55, 0.15) 92%,
    transparent 100%
  );
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.12);
}

.timeline-line::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    transparent,
    transparent 18px,
    rgba(212, 175, 55, 0.08) 18px,
    rgba(212, 175, 55, 0.08) 20px
  );
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 3.5rem minmax(0, 1fr);
  gap: 0 1.25rem;
  margin-bottom: 2.25rem;
  align-items: center;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-node {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.timeline-dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid rgba(212, 175, 55, 0.45);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.08);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.15);
  border-color: var(--gold);
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.14), 0 0 20px var(--gold-glow);
}

.timeline-item--highlight .timeline-dot {
  width: 1.15rem;
  height: 1.15rem;
  background: var(--gold);
  border-color: var(--gold-light);
  box-shadow:
    0 0 0 5px rgba(212, 175, 55, 0.18),
    0 0 28px var(--gold-glow);
  animation: timeline-pulse 2.8s ease-in-out infinite;
}

@keyframes timeline-pulse {
  0%, 100% { box-shadow: 0 0 0 5px rgba(212, 175, 55, 0.18), 0 0 28px var(--gold-glow); }
  50% { box-shadow: 0 0 0 8px rgba(212, 175, 55, 0.1), 0 0 36px rgba(212, 175, 55, 0.45); }
}

.timeline-node-year {
  margin-top: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
  white-space: nowrap;
}

.timeline-card-slot {
  min-width: 0;
}

.timeline-card-slot--left {
  grid-column: 1;
  display: flex;
  justify-content: flex-end;
}

.timeline-card-slot--right {
  grid-column: 3;
  display: flex;
  justify-content: flex-start;
}

.timeline-card {
  position: relative;
  width: 100%;
  max-width: 22rem;
  padding: 1.35rem 1.4rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, transparent 42%),
    var(--bg-card);
  overflow: hidden;
  transition:
    transform 0.35s var(--ease-out),
    border-color var(--transition),
    box-shadow var(--transition);
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--timeline-accent, var(--gold-dark)), transparent);
  opacity: 0.65;
}

.timeline-card-watermark {
  position: absolute;
  right: -0.15rem;
  bottom: -0.65rem;
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  user-select: none;
}

.timeline-card-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.timeline-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  flex-shrink: 0;
  border-radius: 50%;
  font-size: 0.95rem;
  color: var(--timeline-accent, var(--gold));
  background: color-mix(in srgb, var(--timeline-accent, var(--gold)) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--timeline-accent, var(--gold)) 28%, transparent);
}

.timeline-card-type {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.timeline-card-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.55rem;
  line-height: 1.25;
  position: relative;
  z-index: 1;
}

.timeline-card-desc {
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
  position: relative;
  z-index: 1;
}

.timeline-card-slot--left .timeline-card:hover {
  transform: translateX(-4px);
}

.timeline-card-slot--right .timeline-card:hover {
  transform: translateX(4px);
}

.timeline-card:hover {
  border-color: color-mix(in srgb, var(--timeline-accent, var(--gold)) 40%, var(--border-subtle));
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.32),
    0 0 0 1px color-mix(in srgb, var(--timeline-accent, var(--gold)) 12%, transparent);
}

.timeline-card--highlight {
  border-color: color-mix(in srgb, var(--gold) 35%, var(--border-subtle));
  background:
    linear-gradient(135deg, rgba(212, 175, 55, 0.09) 0%, transparent 55%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, transparent 42%),
    var(--bg-card);
}

.timeline-card--highlight::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(212, 175, 55, 0.12);
}

.timeline-card--milestone { --timeline-accent: #c9a84c; }
.timeline-card--album { --timeline-accent: #9b7dff; }
.timeline-card--hit { --timeline-accent: #ff6b8a; }
.timeline-card--tour { --timeline-accent: #4ecdc4; }

/* Bağlantı çizgileri — masaüstü */
@media (min-width: 768px) {
  .timeline-card-slot--left .timeline-card::after,
  .timeline-card-slot--right .timeline-card::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 1.25rem;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.35));
    transform: translateY(-50%);
  }

  .timeline-card-slot--left .timeline-card::after {
    right: -1.25rem;
    background: linear-gradient(270deg, transparent, rgba(212, 175, 55, 0.35));
  }

  .timeline-card-slot--right .timeline-card::after {
    left: -1.25rem;
  }
}

/* Mobil — tek sütun */
@media (max-width: 767.98px) {
  .timeline-line {
    left: 1.35rem;
  }

  .timeline-item {
    grid-template-columns: 2.75rem minmax(0, 1fr);
    gap: 0 1rem;
    margin-bottom: 1.75rem;
  }

  .timeline-node {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    padding-top: 1.1rem;
  }

  .timeline-card-slot--left {
    display: none;
  }

  .timeline-card-slot--right {
    grid-column: 2;
    justify-content: stretch;
  }

  .timeline-card {
    max-width: none;
  }

  .timeline-card-slot--right .timeline-card:hover {
    transform: translateY(-3px);
  }

  .timeline-card-watermark {
    font-size: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-item--highlight .timeline-dot {
    animation: none;
  }

  .timeline-card:hover,
  .timeline-card-slot--left .timeline-card:hover,
  .timeline-card-slot--right .timeline-card:hover {
    transform: none;
  }
}