:root {
  --bg: #fbfaf8;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e3e1dc;
  --accent: #2f5d50;
  --tag-bg: #f0efea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --ink: #ececec;
    --muted: #9a9a9a;
    --line: #2a2b31;
    --accent: #7fbfa9;
    --tag-bg: #1e1f25;
  }
}

* { box-sizing: border-box; }

html {
  font-size: 18px;
}

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 1rem;
}

.wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 64px clamp(20px, 3vw, 48px) 48px;
}

.hero {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 36px;
}

.avatar {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--line);
}

.hero-text h1 {
  margin: 0 0 6px;
  font-size: 2.3rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 46ch;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.links a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  border-bottom: 1px solid transparent;
}

.links a:hover {
  border-bottom-color: var(--accent);
}

.hero-sub {
  display: block;
  margin-bottom: 36px;
}

.back-link {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.back-link:hover {
  text-decoration: underline;
}

.hero-sub h1 {
  margin: 0 0 6px;
  font-size: 2.1rem;
  letter-spacing: -0.02em;
}

.detail-meta {
  color: var(--accent);
  font-size: 0.88rem;
  margin: 0 0 4px;
}

.detail-date {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 20px;
}

video, .block img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: block;
  margin: 22px auto;
}

.video-caption {
  color: var(--muted);
  font-size: 0.82rem;
  margin: -14px 0 22px;
  text-align: center;
}

.citation {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
}

.infoblock {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px 48px;
  padding: 28px 32px;
  margin-bottom: 44px;
  background: var(--tag-bg);
  border-radius: 10px;
  border: 1px solid var(--line);
}

.infoblock > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.infoblock .k {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.infoblock .v {
  white-space: nowrap;
  font-size: 1.25rem;
  font-weight: 600;
}

.block {
  margin-bottom: 44px;
  padding-top: 8px;
}

.block h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 1.45rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.block h2 .num {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
}

.block p {
  margin: 0 0 14px;
  color: var(--ink);
}

.block h3 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
  font-weight: 600;
}

.block-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.block-note a {
  color: var(--accent);
}

.entries {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.entry-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.entry-title {
  font-weight: 600;
  font-size: 1.2rem;
}

.entry-date {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.entry-sub {
  color: var(--accent);
  font-size: 0.85rem;
  margin: 2px 0 8px !important;
}

.entries p:last-child {
  margin-bottom: 0;
}

.entry-bullets {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.entry-bullets li {
  padding-left: 1.1em;
  position: relative;
}

.entry-bullets li::before {
  content: "◦";
  position: absolute;
  left: 0;
  color: var(--muted);
}

.entries a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.entries a:hover {
  border-bottom-color: var(--accent);
}

.references {
  margin: 0;
  padding-left: 1.4em;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.references li {
  color: var(--muted);
  font-size: 0.86rem;
}

.references a {
  color: var(--accent);
}

.back-ref {
  text-decoration: none;
}

.citation a {
  color: var(--muted);
  font-weight: 400;
  font-style: italic;
  border-bottom: 1px dotted var(--muted);
}

.citation a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.coursework {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
}

.coursework li {
  font-size: 0.86rem;
  color: var(--muted);
}

.coursework li span {
  color: var(--muted);
}

@media (max-width: 480px) {
  .coursework {
    grid-template-columns: 1fr;
  }
}

.journey {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.journey-item h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 600;
}

.journey-item p {
  margin: 0 0 10px;
}

.journey-item p:last-child {
  margin-bottom: 0;
}

.reading {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reading li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reading .author {
  font-weight: 600;
  font-size: 0.92rem;
}

.reading .titles {
  color: var(--muted);
  font-size: 0.9rem;
}

.reading .titles em {
  font-style: italic;
  color: var(--muted);
}

footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--muted);
}

@media (max-width: 480px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .infoblock {
    flex-direction: column;
  }
  .infoblock .v {
    white-space: normal;
  }
}