/* ==========================================================================
   OddsLab About Page Stylesheet
   ========================================================================== */

.about-hero {
  padding-top: 60px;
  padding-bottom: 56px;
  text-align: center;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.about-hero-inner {
  max-width: 860px;
  margin: 0 auto;
}

.about-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 28px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  margin-top: 48px;
  text-align: left;
}

.about-metric-item {
  display: flex;
  flex-direction: column;
}

.about-metric-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-pure);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.about-metric-lbl {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Timeline / Origin Story */
.timeline-section {
  padding-block: 88px;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: var(--border-medium);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  position: relative;
}

.timeline-marker {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--brand-light);
  font-family: var(--font-mono);
  flex-shrink: 0;
  z-index: 2;
}

.timeline-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  flex: 1;
  transition: border-color var(--ease-fast);
}

.timeline-content:hover {
  border-color: var(--border-brand);
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-pure);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* 3 Core Differentiators */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--ease-fast);
}

.advantage-card:hover {
  border-color: var(--border-brand);
}

.advantage-num {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--brand-light);
  margin-bottom: 16px;
  background: var(--brand-dim);
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.advantage-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Core Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.value-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-pure);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .about-metrics-bar {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .advantage-grid {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .about-metrics-bar {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .timeline-list::before {
    left: 16px;
  }
  .timeline-marker {
    width: 32px;
    height: 32px;
    font-size: 11px;
  }
  .timeline-item {
    gap: 16px;
  }
}