:root {
    --ink: #16233F;
    --ink-soft: #2A3A5C;
    --parchment: #F6F1E7;
    --parchment-dim: #EDE6D6;
    --burgundy: #7A2530;
    --gold: #B08D4F;
    --charcoal: #2A2A28;
    --charcoal-soft: #55524A;
    --rule: rgba(22,35,63,0.14);
    --rule-light: rgba(246,241,231,0.22);
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--parchment);
    color: var(--charcoal);
    font-family: 'Lora', serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, .display {
    font-family: 'Source Serif 4', serif;
    color: var(--ink);
    margin: 0;
    letter-spacing: -0.01em;
  }

  .eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--burgundy);
    display: flex;
    align-items: center;
    gap: 0.6em;
  }

  .eyebrow::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--burgundy);
    display: inline-block;
  }

  a { color: inherit; }

  .wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ===== NAV ===== */
  nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(246,241,231,0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--rule);
  }
  .nav-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 18px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav-name {
    font-family: 'Source Serif 4', serif;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--ink);
  }
  .nav-links {
    display: flex;
    gap: 28px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  .nav-links a { text-decoration: none; color: var(--charcoal-soft); transition: color .2s; }
  .nav-links a:hover { color: var(--burgundy); }

  /* ===== HERO — styled as a title/abstract page ===== */
  header.hero {
    background: var(--ink);
    color: var(--parchment);
    padding: 96px 0 80px;
    position: relative;
    overflow: hidden;
  }
  header.hero::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
  }
  .hero-inner { max-width: 980px; margin: 0 auto; padding: 0 32px; }
  .hero-eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 0.6em;
  }
  .hero-eyebrow::before {
    content: '';
    width: 28px; height: 1px;
    background: var(--gold);
  }
  h1.hero-title {
    font-size: clamp(2.4rem, 5.2vw, 3.6rem);
    color: var(--parchment);
    font-weight: 600;
    line-height: 1.12;
    max-width: 780px;
  }
  .hero-title em {
    font-style: italic;
    color: var(--gold);
  }
  .hero-abstract {
    margin-top: 26px;
    max-width: 620px;
    font-size: 1.08rem;
    color: rgba(246,241,231,0.78);
    font-style: italic;
    border-left: 2px solid var(--gold);
    padding-left: 20px;
  }
  .hero-meta {
    margin-top: 44px;
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    color: rgba(246,241,231,0.6);
  }
  .hero-meta .meta-item strong {
    display: block;
    color: var(--parchment);
    font-family: 'Lora', serif;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 3px;
  }

  /* ===== SECTION SCAFFOLDING ===== */
  section { padding: 84px 0; }
  section.dim { background: var(--parchment-dim); }
  .section-head { margin-bottom: 44px; }
  .section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    margin-top: 14px;
    font-weight: 600;
  }

  /* ===== BIO with marginalia (signature element) ===== */
  .bio-grid {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 56px;
    align-items: start;
  }
  .bio-body p { margin: 0 0 20px; font-size: 1.02rem; color: var(--charcoal); }
  .bio-body p:last-child { margin-bottom: 0; }

  .marginalia {
    border-left: 1px solid var(--rule);
    padding-left: 24px;
    display: flex;
    flex-direction: column;
    gap: 28px;
  }
  .margin-note {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.74rem;
    line-height: 1.65;
    color: var(--charcoal-soft);
  }
  .margin-note .note-tag {
    color: var(--burgundy);
    display: block;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
  }

  /* ===== CREDENTIALS STRIP ===== */
  .cred-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
    margin-top: 8px;
  }
  .cred-cell {
    background: var(--parchment);
    padding: 26px 24px;
  }
  .cred-cell .cred-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
    display: block;
  }
  .cred-cell .cred-value {
    font-family: 'Source Serif 4', serif;
    font-size: 1.02rem;
    color: var(--ink);
    font-weight: 500;
  }

  /* ===== EXPERTISE ===== */
  .expertise-list {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--rule);
  }
  .expertise-row {
    display: grid;
    grid-template-columns: 64px 1fr 1.4fr;
    gap: 28px;
    padding: 26px 0;
    border-bottom: 1px solid var(--rule);
    align-items: baseline;
  }
  .expertise-row .num {
    font-family: 'IBM Plex Mono', monospace;
    color: var(--gold);
    font-size: 0.85rem;
  }
  .expertise-row h3 {
    font-size: 1.12rem;
    font-weight: 600;
  }
  .expertise-row p {
    margin: 0;
    color: var(--charcoal-soft);
    font-size: 0.96rem;
  }

  /* ===== EXPERIENCE TIMELINE ===== */
  .timeline {
    border-left: 1px solid var(--rule);
    margin-left: 6px;
    padding-left: 32px;
    display: flex;
    flex-direction: column;
    gap: 34px;
  }
  .tl-item { position: relative; }
  .tl-item::before {
    content: '';
    position: absolute;
    left: -37.5px;
    top: 6px;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--burgundy);
    border: 2px solid var(--parchment-dim);
  }
  .tl-role {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 6px;
  }
  .tl-item h3 { font-size: 1.08rem; font-weight: 600; margin-bottom: 4px; }
  .tl-item p { margin: 0; color: var(--charcoal-soft); font-size: 0.94rem; }

  /* ===== INSIGHTS / ARTICLE ===== */
  .article-card {
    background: var(--ink);
    color: var(--parchment);
    padding: 56px;
    position: relative;
  }
  .article-card .eyebrow { color: var(--gold); }
  .article-card .eyebrow::before { background: var(--gold); }
  .article-card h2 {
    color: var(--parchment);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 18px 0 26px;
    max-width: 640px;
  }
  .article-body { max-width: 680px; }
  .article-body p {
    color: rgba(246,241,231,0.82);
    font-size: 1rem;
    margin: 0 0 20px;
  }
  .article-body p:last-child { margin-bottom: 0; }
  .article-body strong { color: var(--parchment); font-weight: 600; }
  .article-meta {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--rule-light);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: rgba(246,241,231,0.5);
    display: flex;
    gap: 24px;
  }

  /* ===== RECOGNITION ===== */
  .recognition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .rec-item {
    border: 1px solid var(--rule);
    padding: 28px;
  }
  .rec-item .note-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 10px;
  }
  .rec-item p { margin: 0; color: var(--charcoal); font-size: 0.96rem; }

  /* ===== FOOTER ===== */
  footer {
    background: var(--ink);
    color: rgba(246,241,231,0.55);
    padding: 48px 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
  }
  footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
  footer a { color: var(--gold); text-decoration: none; }

  @media (max-width: 760px) {
    .bio-grid { grid-template-columns: 1fr; }
    .marginalia { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 24px; flex-direction: row; flex-wrap: wrap; }
    .cred-strip { grid-template-columns: 1fr; }
    .expertise-row { grid-template-columns: 40px 1fr; }
    .expertise-row p { grid-column: 2; }
    .recognition-grid { grid-template-columns: 1fr; }
    .article-card { padding: 32px 24px; }
    .nav-links { display: none; }
  }