/* Buttons */
.btn-brand {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(36, 29, 15, .18);
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.btn-brand:hover, .btn-brand:focus { box-shadow: 0 4px 14px rgba(36, 29, 15, .24); }
.btn-brand:hover, .btn-brand:focus {
  background: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  color: var(--color-ink);
}
.btn-brand-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 10px 26px;
  border-radius: var(--radius);
}
.btn-brand-outline:hover {
  background: var(--color-primary);
  color: var(--color-ink);
}

/* Cards */
.brand-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .2s ease, transform .2s ease;
}
.brand-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.brand-card .brand-card-header {
  background: var(--color-primary);
  color: var(--color-ink);
  padding: 16px 20px;
  font-family: var(--font-heading);
  font-weight: 700;
  text-align: center;
}
.brand-card .brand-card-body { padding: 24px; }

/* Badge / tag */
.badge-brand {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-ink);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .03em;
}

/* Section heading with accent underline */
.section-heading { position: relative; padding-bottom: 12px; }
.section-heading::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 56px; height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}
.text-center .section-heading::after { left: 50%; transform: translateX(-50%); }

/* Stat highlight grid */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  text-align: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 28px 16px;
}
.stat-card .stat-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-ink);
  line-height: 1;
}
.stat-card .stat-label { font-size: .85rem; color: var(--color-text-muted); font-weight: 600; margin-top: 8px; }
@media (max-width: 767.98px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card { padding: 20px 12px; }
  .stat-card .stat-number { font-size: 1.5rem; }
}

/* Vertical timeline */
.timeline { position: relative; margin: 8px 0; padding-left: 8px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 19px; top: 4px; bottom: 4px;
  width: 2px;
  background: var(--color-border);
}
.timeline-item { position: relative; padding-left: 52px; margin-bottom: 28px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item .timeline-dot {
  position: absolute;
  left: 11px; top: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-border);
}
.timeline-item .timeline-year {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-ink);
  background: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .8rem;
  margin-bottom: 6px;
}
.timeline-item h3 { font-size: 1rem; margin-bottom: 4px; }
.timeline-item p { color: var(--color-text-muted); font-size: .9rem; margin: 0; }

/* Step process (numbered cards) */
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
}
.step-card .step-number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-ink);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.step-card p { color: var(--color-text-muted); font-size: .9rem; margin: 0 0 6px; line-height: 1.6; }
.step-card ul { margin: 8px 0 0; padding-left: 18px; font-size: .88rem; color: var(--color-text-muted); }
@media (max-width: 767.98px) {
  .step-grid { grid-template-columns: 1fr; }
}

/* Feature / benefit grid (icon + short text) */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.feature-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.feature-card .feature-card-icon {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-ink);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
}
.feature-card p { margin: 0; font-size: .9rem; font-weight: 600; line-height: 1.5; }

/* Checklist (job description / requirements) */
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: .92rem;
}
.checklist li .checklist-icon {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-ink);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  margin-top: 1px;
}

/* Highlight callout banner */
.callout {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  font-size: .92rem;
}
.callout strong { color: var(--color-ink); }

/* CTA text link ("Xem thêm →") - no permanent underline, arrow shifts on hover */
.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-ink);
  font-weight: 700;
  font-size: .92rem;
}
.link-cta:hover { color: var(--color-accent-dark); text-decoration: none; transform: translateX(2px); }
.link-cta { transition: transform .15s ease, color .15s ease; }

/* Map / diagram image (tall source images shown in full, never cropped) */
.map-image {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  background: var(--color-bg-alt);
  padding: 16px;
  border: 1px solid var(--color-border);
}

/* Certification / feature icon block */
.feature-block { display: flex; align-items: flex-start; gap: 14px; }
.feature-block .feature-icon {
  flex: 0 0 auto;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-ink);
  display: flex; align-items: center; justify-content: center;
}