/* ============================================================
   TRACKS
   3 sprint cards side by side.
   Hover: border lights up in accent color.
============================================================ */

.tracks {
  background-color: var(--color-surface);
  border-top: var(--border-width) solid var(--color-border);
  border-bottom: var(--border-width) solid var(--color-border);
}

/* --- Section header --- */
.tracks__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}

.tracks__title {
  font-size: var(--text-section-title);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-16);
}

/* --- Grid --- */
.tracks__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  align-items: stretch;
}

/* --- Card --- */
.tracks__card {
  display: flex;
  flex-direction: column;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-8);
  transition: border-color var(--transition-normal);
}

.tracks__card:hover {
  border-color: var(--color-accent);
}

.tracks__card-top {
  margin-bottom: var(--space-8);
}

/* --- Tag badge --- */
.tracks__tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

/* --- Card title --- */
.tracks__card-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

/* --- One-liner --- */
.tracks__card-sub {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--line-height-relaxed);
}

/* --- Outcomes list --- */
.tracks__outcomes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  padding-top: var(--space-6);
  border-top: var(--border-width) solid var(--color-border);
}

.tracks__outcomes li {
  font-size: var(--text-sm);
  color: var(--color-muted);
  padding-left: var(--space-5);
  position: relative;
}

.tracks__outcomes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* --- CTA link --- */
.tracks__cta {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  text-decoration: none;
  margin-top: auto;
  transition: opacity var(--transition-fast);
}

.tracks__cta:hover {
  opacity: 0.75;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .tracks__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tracks__grid {
    grid-template-columns: 1fr;
  }
}