.section {
  margin-bottom: 1.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.home-hero,
.page-hero {
  padding-top: 0.5rem;
  border-top: 0;
}

.section-inner {
  display: grid;
  gap: 1rem;
}

.heading {
  margin: 0;
  color: var(--ink-900);
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(18rem, 0.9fr);
  gap: 2rem;
  align-items: start;
}

.hero-title {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  line-height: 0.95;
}

.hero-copy,
.section-intro,
.section p,
.section li {
  margin: 0;
  color: var(--ink-700);
  font-size: 1rem;
}

.hero-metrics {
  padding-left: 1.2rem;
  border-left: 2px solid var(--accent);
}

.metric-list,
.timeline-strip,
.timeline-list,
.skillset,
.contact-list {
  display: grid;
  gap: 1rem;
}

.metric-list {
  margin: 0;
  gap: 0.75rem;
}

.metric-list strong {
  display: inline-block;
  margin-right: 0.35rem;
  color: var(--ink-900);
}

.focus-grid,
.topic-grid,
.blog-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.focus-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.focus-item,
.topic-card,
.blog-card,
.timeline-chip {
  min-height: 100%;
  padding-top: 0.9rem;
  background: transparent;
  border-top: 2px solid var(--line-strong);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.focus-item:hover,
.topic-card:hover,
.blog-card:hover,
.timeline-chip:hover {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}

.focus-item h3,
.topic-card h3,
.blog-card .title,
.timeline-chip h3,
.timeline-item .title,
.level-title {
  margin-bottom: 0.45rem;
  color: var(--ink-900);
}

.topic-card a,
.blog-card a {
  font-weight: 700;
}

.timeline-strip {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.timeline-chip .year,
.post-date,
.level-label {
  color: var(--ink-500);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.origin-badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 0.25rem;
  vertical-align: middle;
}

.origin-ai {
  color: #fff;
  background: var(--accent);
}

.origin-human {
  color: var(--ink-700);
  background: rgba(17, 17, 17, 0.08);
}

.timeline-item {
  padding: 0.75rem 0 0.75rem 1.1rem;
  border-left: 2px solid var(--line-strong);
  border-radius: 0 0.35rem 0.35rem 0;
}

.timeline-item:nth-child(even) {
  background: rgba(17, 17, 17, 0.035);
}

.timeline-item .title {
  margin-bottom: 0.3rem;
}

.timeline-item .place,
.timeline-item .place a {
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-weight: 700;
}

.level-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 1rem;
  font-weight: 800;
}

.level-bar {
  height: 0.45rem;
  overflow: hidden;
  background: rgba(17, 17, 17, 0.1);
}

.level-bar-inner {
  height: 100%;
  background: linear-gradient(90deg, var(--ink-900), var(--accent));
  transition: width 0.9s ease;
}

.cta-panel {
  text-align: center;
}

.cta-panel .section-inner {
  justify-items: center;
}

.contact-list {
  gap: 0.75rem;
}

.contact-list i {
  width: 1.2rem;
  color: var(--accent);
}

.markdown-content {
  max-width: 72ch;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
  margin-top: 1.4rem;
  margin-bottom: 0.75rem;
  color: var(--ink-900);
}

.markdown-content ul,
.markdown-content ol {
  padding-left: 1.25rem;
}

.markdown-content blockquote {
  margin: 1.2rem 0;
  padding: 0.15rem 0 0.15rem 1rem;
  color: var(--ink-700);
  border-left: 2px solid var(--accent);
}

.markdown-content code {
  padding: 0.1rem 0.35rem;
  color: var(--ink-900);
  background: rgba(17, 17, 17, 0.06);
}