/* ─── Tracker Component ───────────────────────────────────── */
.tracker {
  --tr-bg:        oklch(17% 0.018 252);
  --tr-bg-raised: oklch(21% 0.022 252);
  --tr-bg-sunken: oklch(14% 0.018 252);
  --tr-line:      oklch(30% 0.022 252);
  --tr-line-soft: oklch(25% 0.02  252);
  --tr-text:      oklch(96% 0.005 250);
  --tr-text-dim:  oklch(70% 0.012 250);
  --tr-text-mute: oklch(52% 0.014 250);
  --tr-accent:    oklch(72% 0.16  240);

  background: var(--tr-bg);
  font-family: 'Inter Tight', 'Inter', sans-serif;
  color: var(--tr-text);
  padding: 0;
}

.tracker__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 80px;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  align-items: start;
}

/* ─── Left Column ─────────────────────────────────────────── */
.tracker__kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--tr-accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
}

.tracker__headline {
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 20px;
  color: var(--tr-text);
}

.tracker__lede {
  font-size: 16px;
  line-height: 1.55;
  color: var(--tr-text-dim);
  margin-bottom: 32px;
}

.tracker__meta {
  padding: 18px 20px;
  border-radius: 12px;
  background: var(--tr-bg-sunken);
  border: 1px solid var(--tr-line-soft);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tracker__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tracker__meta-label { color: var(--tr-text-dim); }
.tracker__meta-value { color: var(--tr-text); }

/* ─── Right Column ────────────────────────────────────────── */
.tracker__right {
  position: relative;
}

.tracker__spine-wrap {
  position: absolute;
  left: 23px;
  top: 24px;
  width: 2px;
  pointer-events: none;
}

.tracker__spine-track {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  background: var(--tr-line-soft);
}

.tracker__spine-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  background: var(--tr-accent);
  height: 0;
  transition: height 0.7s ease;
}

/* ─── Steps ───────────────────────────────────────────────── */
.tracker__steps {
  display: flex;
  flex-direction: column;
}

.tracker__step {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  column-gap: 24px;
  align-items: start;
  padding: 12px 0 28px;
  transition: opacity 0.4s ease;
}

.tracker__step--todo { opacity: 0.6; }

/* ─── Circle ──────────────────────────────────────────────── */
.tracker__circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  position: relative;
  z-index: 1;
  transition: all 0.5s ease;
  flex-shrink: 0;
}

.tracker__circle--done,
.tracker__circle--current {
  background: var(--tr-accent);
  border-color: var(--tr-accent);
  color: var(--tr-bg);
}

.tracker__circle--todo {
  background: var(--tr-bg-raised);
  border-color: var(--tr-line);
  color: var(--tr-text-mute);
}

/* ─── Step Content ────────────────────────────────────────── */
.tracker__content { min-width: 0; }

.tracker__title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.tracker__title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--tr-text);
  margin: 0;
  line-height: 1.2;
}

.tracker__pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  flex-shrink: 0;
}

.tracker__pill--current {
  background: var(--tr-accent);
  color: var(--tr-bg);
}

.tracker__pill--done {
  background: transparent;
  color: var(--tr-text-dim);
  border: 1px solid var(--tr-line-soft);
}

.tracker__body {
  font-size: 14px;
  color: var(--tr-text-dim);
  line-height: 1.55;
  max-width: 540px;
  margin: 0;
}

/* ─── Duration ────────────────────────────────────────────── */
.tracker__duration {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--tr-text-mute);
  white-space: nowrap;
  padding-top: 10px;
  text-align: right;
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 1080px) {
  .tracker__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .tracker__headline { font-size: 40px; }
}

@media (max-width: 720px) {
  .tracker__inner { padding: 40px 28px; }
  .tracker__headline { font-size: 34px; }
}