:root {
    /* grondtonen — licht, warm papier */
    --navy:        #f7f2e6;  /* voorheen donkere band, nu zacht zand */
    --navy-mid:    #fdfbf6;
    --navy-soft:   #efe8d8;
    --ivory:       #fdfbf6;
    --warm:        #f6f1e6;
    --earth-pale:  #efe8d8;

    /* accenten */
    --gold:        #c9972b;  /* alleen voor lijnen en vlakken */
    --gold-text:   #8a6414;  /* goud waar tekst van gemaakt is */
    --gold-light:  #b07f14;
    --gold-pale:   #6b4a1a;
    --sage:        #6e8a71;
    --sage-deep:   #4e6851;

    /* inkt — alle tekst */
    --ink:         #33281c;
    --ink-mid:     #5b4b38;
    --ink-soft:    #6f5c44;
    --ink-faint:   #8a7862;
    --on-navy:     #33281c;
    --on-navy-dim: #5b4b38;

    --rule:        rgba(111, 92, 68, .26);
    --rule-soft:   rgba(111, 92, 68, .14);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

  body {
    background: var(--ivory);
    color: var(--ink);
    font-family: Jost, system-ui, -apple-system, "Segoe UI", sans-serif;
    font-weight: 300;
    font-size: 17px;
    line-height: 1.75;
    overflow-x: hidden;
  }

  a { color: var(--ink-soft); }
  a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

  /* ── navigatie ── */
  nav {
    position: sticky; top: 0; z-index: 200;
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px;
    height: 62px;
    padding-inline: clamp(18px, 4vw, 56px);
    background: rgba(253, 251, 246, .92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--rule);
  }
  .nav-logo {
    font-family: "Playfair Display", Georgia, serif;
    font-style: italic; font-size: 1.06rem;
    color: var(--ink); text-decoration: none;
    letter-spacing: .03em; white-space: nowrap;
  }
  .nav-links { display: flex; gap: clamp(14px, 2.4vw, 34px); list-style: none; margin: 0; padding: 0; }
  .nav-links a {
    color: var(--ink-mid); text-decoration: none;
    font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
    font-weight: 400; white-space: nowrap;
  }
  .nav-links a:hover { color: var(--gold-text); }
  .nav-right { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 30px); }
  .nav-lang {
    font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; text-decoration: none;
    color: var(--gold-text); border: 1px solid var(--rule); padding: 4px 9px; white-space: nowrap;
  }
  .nav-lang:hover { border-color: var(--gold); }
  .nav-toggle {
    display: none; background: none; border: 1px solid var(--rule); cursor: pointer;
    width: 40px; height: 34px; padding: 0; align-items: center; justify-content: center;
  }
  .nav-toggle span { display: block; width: 18px; height: 1px; background: var(--ink); position: relative; }
  .nav-toggle span::before, .nav-toggle span::after {
    content: ''; position: absolute; left: 0; width: 18px; height: 1px; background: var(--ink);
  }
  .nav-toggle span::before { top: -6px; }
  .nav-toggle span::after { top: 6px; }
  @media (max-width: 980px) {
    .nav-toggle { display: flex; }
    .nav-links {
      display: none; position: absolute; top: 62px; left: 0; right: 0;
      flex-direction: column; gap: 0;
      background: var(--ivory); border-bottom: 1px solid var(--rule);
      padding: 8px 0 12px;
    }
    nav.open .nav-links { display: flex; }
    .nav-links a { display: block; padding: 12px clamp(18px, 4vw, 56px); font-size: .78rem; }
  }

  /* ── hero ── */
  #hero {
    background: linear-gradient(158deg, #faf6ec 0%, #f1e9d7 100%);
    position: relative;
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: stretch;
  }
  #hero::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
      repeating-linear-gradient(0deg, transparent 0 80px, rgba(111,92,68,.055) 80px 81px),
      repeating-linear-gradient(90deg, transparent 0 80px, rgba(111,92,68,.055) 80px 81px);
  }
  .hero-left {
    position: relative; z-index: 2;
    display: flex; flex-direction: column; justify-content: center;
    padding: clamp(56px, 8vw, 104px) clamp(22px, 4vw, 60px) clamp(48px, 7vw, 92px) clamp(22px, 5vw, 78px);
  }
  .eyebrow {
    display: flex; align-items: center; gap: .9rem;
    font-size: .64rem; letter-spacing: .38em; text-transform: uppercase;
    color: var(--gold-text);
  }
  .eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gold); flex: none; }
  #hero h1 {
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 400;
    font-size: clamp(2.6rem, 6vw, 4.3rem);
    line-height: 1.08; color: var(--ink);
    margin: 1.6rem 0 .4rem;
    text-wrap: balance;
  }
  #hero h1 em { font-style: italic; color: var(--gold-text); }
  .hero-sub {
    font-size: .74rem; letter-spacing: .3em; text-transform: uppercase;
    color: var(--ink-faint);
  }
  .hero-rule { width: 56px; height: 1px; background: linear-gradient(90deg, var(--gold), transparent); margin: 2rem 0; }
  .hero-body {
    font-family: "EB Garamond", Georgia, serif;
    font-size: 1.2rem; line-height: 1.85;
    color: var(--ink-mid); max-width: 44ch;
  }
  .hero-right { position: relative; z-index: 2; padding: clamp(22px, 3vw, 46px); display: flex; }
  @media (max-width: 900px) {
    #hero { grid-template-columns: 1fr; }
    .hero-right { padding-top: 0; }
  }

  /* ── hero-portret ── */
  .hero-portrait {
    margin: 0; align-self: center; width: 100%;
    display: flex; flex-direction: column; align-items: center; gap: 14px;
  }
  .hero-portrait img {
    display: block; width: 100%; max-width: 380px; height: auto;
    border: 1px solid var(--rule);
    padding: 14px; background: #fff;
    box-shadow: 0 1px 2px rgba(111,92,68,.08), 0 18px 40px -28px rgba(51,40,28,.45);
  }
  .hero-portrait figcaption {
    font-size: .66rem; letter-spacing: .24em; text-transform: uppercase;
    color: var(--ink-faint); margin: 0;
  }
  @media (max-width: 900px) { .hero-portrait { padding-bottom: 40px; } }

  /* ── fotoslot ── */
  .plate {
    position: relative; flex: 1;
    min-height: 280px;
    border: 1px solid var(--rule);
    background:
      repeating-linear-gradient(135deg, rgba(111,92,68,.06) 0 2px, transparent 2px 9px),
      rgba(255,255,255,.5);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 12px; padding: 30px; text-align: center;
  }
  .plate::after {
    content: ''; position: absolute; inset: 9px; border: 1px solid var(--rule-soft); pointer-events: none;
  }
  .plate .mark { font-family: "Playfair Display", serif; font-style: italic; color: var(--gold-text); font-size: 1.5rem; }
  .plate p { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); max-width: 30ch; line-height: 1.9; }

  /* ── secties ── */
  section { padding-block: clamp(58px, 9vw, 118px); }
  .wrap { max-width: 1080px; margin: 0 auto; padding-inline: clamp(20px, 5vw, 40px); }
  .col { max-width: 66ch; }
  .warm { background: var(--warm); }
  .dark-band { background: #f3ede0; color: var(--ink); }
  .dark-band h2, .dark-band h3 { color: var(--ink); }
  .dark-band p { color: var(--ink-mid); }
  .dark-band .lead { color: var(--ink-mid); }

  h2 {
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 400;
    font-size: clamp(1.9rem, 3.6vw, 2.9rem);
    line-height: 1.15; color: var(--ink);
    margin: 1.4rem 0 1.6rem;
    text-wrap: balance;
  }
  h2 em { font-style: italic; color: var(--ink-soft); }
  h3 {
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 500; font-size: 1.24rem; line-height: 1.35;
    color: var(--ink); margin: 0 0 .5rem;
  }
  p { margin: 0 0 1.15rem; }
  p:last-child { margin-bottom: 0; }

  /* ── tussenkop in lopende tekst ── */
  .sub {
    font-family: Jost, sans-serif;
    font-weight: 500;
    font-size: .74rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin: 2.8rem 0 .9rem;
    padding-top: .9rem;
    border-top: 1px solid var(--rule);
    max-width: 66ch;
  }
  .col > .sub:first-of-type { margin-top: 2.4rem; }
  .dark-band .sub { color: var(--gold-text); border-top-color: var(--rule); }
  .sub + p, .sub + .lead { margin-top: 0; }
  .big {
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 400; font-size: clamp(1.35rem, 2.4vw, 1.75rem);
    line-height: 1.25; color: var(--ink); margin: 3rem 0 1rem;
    text-wrap: balance;
  }
  .dark-band .big { color: var(--ink); }
  .lead {
    font-family: "EB Garamond", Georgia, serif;
    font-size: 1.32rem; line-height: 1.75; color: var(--ink-mid);
  }
  .section-eyebrow {
    font-size: .64rem; letter-spacing: .34em; text-transform: uppercase;
    color: var(--gold-text); display: flex; align-items: center; gap: .8rem;
  }
  .section-eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--gold); flex: none; }
  .dark-band .section-eyebrow { color: var(--gold-text); }
  .dark-band .section-eyebrow::before { background: var(--gold); }

  /* ── citaat ── */
  blockquote {
    margin: 2.4rem 0; padding-left: 1.8rem;
    border-left: 2px solid var(--gold);
    font-family: "EB Garamond", Georgia, serif;
    font-size: 1.42rem; font-style: italic; line-height: 1.6;
    color: var(--ink-mid); max-width: 34ch;
  }
  blockquote cite {
    display: block; margin-top: .9rem;
    font-family: Jost, sans-serif; font-style: normal;
    font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-faint);
  }
  .dark-band blockquote { color: var(--ink-mid); border-left-color: var(--gold); }
  .dark-band blockquote cite { color: var(--ink-faint); }

  /* ── figuren ── */
  figure { margin: 2.6rem 0 0; }
  figcaption {
    margin-top: 1rem; font-size: .78rem; line-height: 1.7; color: var(--ink-soft);
    max-width: 62ch;
  }
  figcaption b {
    display: block; font-weight: 400; font-size: .64rem;
    letter-spacing: .22em; text-transform: uppercase; color: var(--gold-text);
    margin-bottom: .35rem;
  }
  .dark-band figcaption { color: var(--ink-soft); }
  .fig-frame {
    background: var(--ivory);
    border: 1px solid var(--rule);
    padding: clamp(18px, 3vw, 34px);
  }
  .dark-band .fig-frame { background: var(--ivory); border-color: var(--rule); }
  .fig-frame svg { display: block; width: 100%; height: auto; max-width: 100%; }
  .photo-fig img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); background: var(--earth-pale); }
  .photo-fig.center { display: flex; flex-direction: column; align-items: center; }
  .photo-fig.center img { max-width: 620px; }
  .photo-fig.center figcaption { max-width: 620px; }
  .photo-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
  .photo-duo figure { margin: 0; }
  .photo-duo img { display: block; width: 100%; height: 300px; object-fit: cover; object-position: center top; border: 1px solid var(--rule); background: var(--earth-pale); }
  .photo-duo img.fit { object-fit: contain; background: var(--earth-pale); padding: 10px; }
  @media (max-width: 700px) { .photo-duo { grid-template-columns: 1fr; } .photo-duo img { height: 260px; } }
  .inset-fig {
    margin-top: 2.8rem;
    display: grid; grid-template-columns: 200px 1fr; gap: 0 28px; align-items: center;
  }
  .inset-fig img {
    display: block; width: 200px; height: auto;
    border: 1px solid var(--rule); padding: 10px; background: #fff;
    box-shadow: 0 1px 2px rgba(111,92,68,.08), 0 14px 32px -26px rgba(51,40,28,.4);
  }
  .inset-fig figcaption { margin-top: 0; max-width: 44ch; }
  @media (max-width: 620px) { .inset-fig { grid-template-columns: 1fr; gap: 16px; } }
  .credit { display: block; margin-top: .5rem; font-size: .68rem; color: var(--ink-faint); letter-spacing: .02em; }
  .credit a { color: var(--ink-faint); }

  /* ── tijdlijn ── */
  .timeline { margin-top: 2.8rem; display: flex; flex-direction: column; }
  .tl-item {
    display: grid; grid-template-columns: 96px 1fr; gap: 0 26px;
    padding-block: 18px;
    border-top: 1px solid var(--rule-soft);
    position: relative;
  }
  .tl-item:last-child { border-bottom: 1px solid var(--rule-soft); }
  .tl-year {
    font-family: "Playfair Display", serif; font-size: 1.15rem;
    color: var(--gold-text); font-variant-numeric: tabular-nums;
    padding-top: 2px;
  }
  .tl-body h4 { font-family: Jost, sans-serif; font-weight: 500; font-size: 1rem; letter-spacing: .01em; line-height: 1.4; color: var(--ink); margin: 0 0 .2rem; }
  .tl-body p { font-size: .93rem; color: var(--ink-mid); margin: .2rem 0 0; max-width: 58ch; }
  @media (max-width: 560px) {
    .tl-item { grid-template-columns: 1fr; gap: 4px; }
    .tl-year { font-size: 1rem; }
  }

  /* ── publicaties ── */
  .pubs { margin-top: 2.4rem; display: flex; flex-direction: column; }
  .pub {
    display: grid; grid-template-columns: 62px 1fr; gap: 0 22px;
    padding-block: 16px; border-top: 1px solid var(--rule-soft);
    font-size: .93rem;
  }
  .pub:last-child { border-bottom: 1px solid var(--rule-soft); }
  .pub .yr { font-variant-numeric: tabular-nums; color: var(--gold-text); font-size: .85rem; padding-top: 3px; }
  .pub .ttl { color: var(--on-navy); line-height: 1.55; }
  .pub .src { display: block; color: var(--ink-soft); font-size: .82rem; font-style: italic; font-family: "EB Garamond", serif; margin-top: 2px; }
  .pub .cited {
    display: inline-block; margin-top: 5px; font-size: .62rem; letter-spacing: .16em;
    text-transform: uppercase; color: var(--gold-text);
  }
  @media (max-width: 560px) { .pub { grid-template-columns: 1fr; gap: 2px; } }

  /* ── studiekaarten ── */
  .studies { display: grid; gap: 2px; margin-top: 2.6rem; }
  .study {
    background: var(--ivory); border: 1px solid var(--rule);
    padding: clamp(20px, 3vw, 30px);
  }
  .study + .study { border-top: none; }
  .study .idx {
    font-size: .62rem; letter-spacing: .24em; text-transform: uppercase; color: var(--gold-text);
    font-variant-numeric: tabular-nums;
  }
  .study h4 { font-family: "Playfair Display", Georgia, serif; font-weight: 500; font-size: 1.24rem; line-height: 1.35; color: var(--ink); margin: .6rem 0 .5rem; }
  .study .cit {
    font-family: "EB Garamond", Georgia, serif; font-style: italic;
    font-size: .95rem; color: var(--ink-soft); margin: 0 0 .9rem; max-width: 62ch;
  }
  .study p { font-size: .96rem; color: var(--ink-mid); max-width: 62ch; }
  .study dl {
    margin: 1.2rem 0 0; display: grid; grid-template-columns: 128px 1fr; gap: 8px 18px;
    font-size: .86rem;
  }
  .study dt { color: var(--gold-text); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; padding-top: 4px; }
  .study dd { margin: 0; color: var(--ink-mid); }
  @media (max-width: 560px) { .study dl { grid-template-columns: 1fr; gap: 2px 0; } .study dd { margin-bottom: 10px; } }

  /* ── statistiekrij ── */
  .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; margin-top: 2.6rem; background: var(--rule-soft); border: 1px solid var(--rule-soft); }
  .stat { background: var(--ivory); padding: 22px 20px; }
  .dark-band .stat { background: var(--ivory); }
  .stat .n { font-family: "Playfair Display", serif; font-size: 2.1rem; color: var(--gold-text); line-height: 1.1; font-variant-numeric: tabular-nums; }
  .stat .l { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); margin-top: 6px; line-height: 1.6; }
  .dark-band .stat .l { color: var(--ink-soft); }

  /* ── figuren in HTML (leesbaar op elke breedte) ── */
  .fig-label { font-size: .64rem; letter-spacing: .22em; text-transform: uppercase; color: #7a6848; margin-bottom: 1.3rem; }
  .thresh-row + .thresh-row { border-top: 1px solid rgba(139,111,78,.22); margin-top: 1.4rem; padding-top: 1.4rem; }
  .thresh-title { font-family: "Playfair Display", Georgia, serif; font-size: 1rem; color: var(--ink); margin-bottom: .6rem; }
  .thresh-bar { height: 16px; width: var(--w); max-width: 100%; background: linear-gradient(90deg, rgba(201,151,43,.85), rgba(201,151,43,.18)); }
  .thresh-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px 16px; font-size: .82rem; color: var(--ink-mid); margin-top: .5rem; }
  .thresh-result { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 12px; margin-top: .9rem; }
  .thresh-result .k { font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold-text); }
  .thresh-result .sq { display: inline-block; width: 12px; height: 12px; background: var(--gold); align-self: center; }
  .thresh-result .num { font-family: "Playfair Display", Georgia, serif; font-size: 1.3rem; color: var(--ink); }
  .thresh-result .note { font-size: .8rem; color: #7a6848; }
  .fig-foot { font-size: .76rem; color: #7a6848; margin: 1.4rem 0 0; max-width: 70ch; }
  .ratio-row + .ratio-row { margin-top: 1.5rem; }
  .ratio-name { font-size: .85rem; color: var(--ink-mid); margin-bottom: .45rem; }
  .ratio-track { display: flex; align-items: center; gap: 14px; }
  .ratio-bar { height: 26px; flex: 0 0 var(--w); max-width: calc(100% - 64px); background: rgba(139,111,78,.38); border-right: 4px solid rgba(139,111,78,.55); }
  .ratio-bar.gold { background: rgba(201,151,43,.85); border-right-color: var(--gold); }
  .ratio-val { font-family: "Playfair Display", Georgia, serif; font-size: 1.05rem; color: var(--ink-soft); white-space: nowrap; }

  /* ── voetnoot / kanttekening ── */
  .aside-note {
    margin-top: 2.6rem; padding: 22px 26px;
    background: var(--earth-pale); border-left: 2px solid var(--sage);
  }
  .aside-note h3 { font-family: Jost, sans-serif; font-weight: 500; font-size: .92rem; letter-spacing: .04em; }
  .aside-note p { font-size: .94rem; color: var(--ink-mid); max-width: 64ch; }
  .dark-band .aside-note { background: #eaeee6; border-left-color: var(--sage); }
  .dark-band .aside-note h3 { color: var(--sage-deep); }
  .dark-band .aside-note p { color: var(--ink-mid); }

  /* ── footer ── */
  footer {
    background: #ece5d5; color: var(--ink-mid);
    padding-block: clamp(48px, 7vw, 78px);
  }
  footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 36px; }
  footer .ft-h { font-size: .64rem; letter-spacing: .24em; text-transform: uppercase; color: var(--gold-text); font-weight: 400; margin: 0 0 .9rem; }
  footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
  footer a { color: var(--ink-mid); text-decoration: none; font-size: .92rem; }
  footer a:hover { color: var(--gold-text); }
  footer .base {
    margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--rule);
    font-size: .74rem; letter-spacing: .06em; color: var(--ink-faint);
    display: flex; flex-wrap: wrap; gap: 8px 26px;
  }