.timelines-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.timeline-heading {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.timeline-heading::before {
  content: '';
  width: 22px; height: 22px;
  border-radius: 7px;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
}
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 6px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
}
.timeline-item { position: relative; margin-bottom: 2rem; }
.timeline-dot {
  position: absolute;
  left: -2rem; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--grad);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 40%, transparent);
}
.timeline-content {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: transform var(--transition), border-color var(--transition);
}
.timeline-content:hover { transform: translateX(5px); border-color: var(--accent); }
.timeline-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 0.5rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.timeline-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 0.2rem; }
.timeline-org { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.75rem; }
.timeline-bullets { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.timeline-bullets li { font-size: 0.87rem; color: var(--muted); padding-left: 1.1rem; position: relative; }
.timeline-bullets li::before {
  content: '';
  position: absolute; left: 0; top: 0.6em;
  width: 6px; height: 6px; border-radius: 2px;
  background: var(--grad);
}

.certs-scroll { display: flex; gap: 1.5rem; overflow-x: auto; padding: 0.5rem 0 1rem; scrollbar-width: thin; }
.cert-card {
  max-width: 320px;
  min-width: 240px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.cert-card:hover, .cert-card:focus-visible { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.cert-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.cert-badge-wrap {
  display: grid;
  place-items: center;
  width: 110px;
  height: 110px;
  margin-bottom: 0.5rem;
}
.cert-badge { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }
.cert-name { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: var(--text); }
.cert-issuer { font-size: 0.82rem; color: var(--muted); }
.cert-date { font-family: var(--font-mono); font-size: 0.76rem; color: var(--accent); font-weight: 500; }
.cert-hint { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); margin-top: 0.35rem; }

@media (max-width: 980px) {
  .timelines-wrap { grid-template-columns: 1fr; gap: 2rem; }
}