/* ---------- lettertypes (lokaal, SIL Open Font License — zie fonts/) ---------- */
  @font-face{ font-family:"Fraunces"; src:url(fonts/fraunces.woff2) format("woff2"); font-weight:400 700; font-style:normal; font-display:swap; }
  @font-face{ font-family:"Fraunces"; src:url(fonts/fraunces-italic.woff2) format("woff2"); font-weight:400 600; font-style:italic; font-display:swap; }
  @font-face{ font-family:"Public Sans"; src:url(fonts/public-sans.woff2) format("woff2"); font-weight:400 700; font-style:normal; font-display:swap; }

  :root{
    --bg:#0f0e1b;
    --bg-alt:#141227;
    --bg-card: rgba(255,255,255,0.035);
    --ink:#eeeae1;
    --ink-dim:#a9a4b8;
    --gold:#c99a3d;
    --gold-soft:#e0bd76;
    --slate:#7c88a3;
    --line: rgba(238,234,225,0.12);
    --line-strong: rgba(238,234,225,0.22);
    --good:#7fb88a;
    --bad:#c0685f;
    --maxw: 720px;
    --serif: "Fraunces", Georgia, serif;
    --sans: "Public Sans", -apple-system, "Segoe UI", sans-serif;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth; scroll-padding-top:24px; color-scheme:dark; scrollbar-color:#3a3550 var(--bg); background:var(--bg);}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--sans);
    font-size:17px;
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
    caret-color:var(--gold);
    font-optical-sizing:auto;
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  }
  html.no-motion{scroll-behavior:auto;}
  html.no-motion *, html.no-motion *::before, html.no-motion *::after{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  ::selection{background:var(--gold); color:#191527;}
  ::-webkit-scrollbar{width:11px;}
  ::-webkit-scrollbar-track{background:var(--bg);}
  ::-webkit-scrollbar-thumb{background:#3a3550; border-radius:6px; border:3px solid var(--bg);}
  ::-webkit-scrollbar-thumb:hover{background:#565072;}

  h1,h2,h3{font-family:var(--serif); font-weight:600; line-height:1.15; margin:0; text-wrap:balance;}
  p{margin:0 0 1.1em 0; text-wrap:pretty;}
  a{color:var(--gold-soft); text-decoration-thickness:1px; text-underline-offset:.22em; transition:color .2s ease, text-decoration-color .2s ease;}
  a:hover{color:var(--ink); text-decoration-color:var(--gold);}
  :focus-visible{outline:2px solid var(--gold); outline-offset:3px; border-radius:3px;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
  @media (max-width:520px){ .wrap{padding:0 20px;} }

  .sr-only{position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;}
  .skip{position:fixed; left:16px; top:12px; z-index:100; padding:10px 16px; border-radius:4px; background:var(--gold); color:#1c1730; font-weight:600; font-size:14px; text-decoration:none; transform:translateY(-160%); transition:transform .2s ease;}
  .skip:focus{transform:none;}
  .ic{width:1em; height:1em; flex-shrink:0; vertical-align:-0.14em;}
  [hidden]{display:none !important;}

  /* ---------- dot nav ---------- */
  #dotnav{
    position:fixed; right:14px; top:50%; transform:translateY(-50%);
    display:flex; flex-direction:column; gap:14px; z-index:50;
    padding:12px 6px; border-radius:20px;
    background:rgba(15,14,27,0.86);
    border:1px solid rgba(238,234,225,0.12); box-shadow:0 6px 20px rgba(0,0,0,0.28);
  }
  #dotnav a{
    width:20px; height:20px; border-radius:50%;
    display:block; position:relative;
  }
  #dotnav a::before{
    content:""; position:absolute; inset:5.5px; border-radius:50%;
    background:rgba(238,234,225,0.26);
    transition:background .3s ease, transform .3s cubic-bezier(.16,1,.3,1);
  }
  #dotnav a:hover::before{background:var(--ink-dim);}
  #dotnav a::after{
    content:attr(data-label);
    position:absolute; right:20px; top:50%; transform:translateY(-50%);
    font-family:var(--sans); font-size:12px; color:var(--ink);
    white-space:nowrap; opacity:0; pointer-events:none; right:30px;
    transition:opacity .2s ease;
    background:var(--bg-alt); padding:3px 9px; border-radius:4px;
    border:1px solid var(--line);
  }
  #bgStars{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
  #bgStars .bgstar{ position:absolute; width:2px; height:2px; border-radius:50%; background:var(--ink); opacity:.55; animation:twinkle 3s ease-in-out infinite; }
  #bgStars .bgstar.gold{ background:var(--gold-soft); box-shadow:0 0 4px rgba(224,189,118,.6); }

  #dotnav a:hover::after, #dotnav a:focus-visible::after{opacity:1;}
  #dotnav a.active::before{background:var(--gold); transform:scale(1.35);}
  @media (max-width:860px){ #dotnav{display:none;} }

  /* progress bar */
  #progress{
    position:fixed; top:0; left:0; height:2px; width:0%;
    background:linear-gradient(90deg, var(--slate), var(--gold));
    z-index:60; transition:width .1s linear;
  }

  /* ---------- hero ---------- */
  #hero{
    position:relative; min-height:100vh; overflow:hidden;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    text-align:center; padding:120px 24px 80px;
  }
  #heroCanvas{ position:absolute; inset:0; width:100%; height:100%; }
  #hero::after{
    content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
    background:radial-gradient(ellipse 46% 40% at 50% 50%, rgba(15,14,27,0.72), rgba(15,14,27,0) 100%);
  }
  .masthead{
    position:absolute; top:0; left:0; right:0; z-index:3;
    display:flex; justify-content:space-between; align-items:baseline; gap:16px;
    padding:26px 32px; font-size:13px; color:var(--ink-dim);
  }
  .wordmark{ font-family:var(--serif); font-size:17px; font-weight:600; color:var(--ink); letter-spacing:-0.005em; }
  @media (max-width:520px){ .masthead{ padding:20px; } .masthead-meta{ display:none; } }
  .hero-inner{ position:relative; z-index:2; max-width:820px; }
  .hero-inner h1{
    font-size:clamp(46px, 9.4vw, 96px);
    font-weight:500; letter-spacing:-0.025em; line-height:1.02;
    font-variation-settings:"opsz" 144;
  }
  .hero-inner h1 em{ font-style:italic; font-weight:400; color:var(--gold-soft); }
  .hero-inner .lead{
    font-family:var(--serif); font-style:italic; font-weight:400;
    color:var(--ink-dim); font-size:clamp(18px,2.4vw,22px);
    margin:22px auto 0; max-width:640px;
  }
  .hero-q{
    margin:40px auto 0; max-width:580px;
    font-size:16px; color:var(--ink); line-height:1.6;
    border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    padding:20px 0;
  }
  .hero-actions{ margin-top:36px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
  button.btn{
    display:inline-flex; align-items:center; gap:8px;
    font-family:var(--sans); font-weight:600; font-size:14.5px;
    background:var(--gold); color:#1c1730; border:1px solid var(--gold);
    padding:12px 24px; border-radius:3px; cursor:pointer; min-height:46px;
    transition:transform .2s cubic-bezier(.16,1,.3,1), background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
  }
  button.btn:hover{ background:var(--gold-soft); border-color:var(--gold-soft); transform:translateY(-1px); box-shadow:0 6px 18px rgba(0,0,0,0.35); }
  button.btn:active{ transform:translateY(0) scale(.97); transition-duration:.08s; box-shadow:none; }
  button.btn.ghost{
    background:transparent; color:var(--ink); border-color:var(--line-strong);
  }
  button.btn.ghost:hover{ border-color:var(--gold); color:var(--gold-soft); background:transparent; box-shadow:none; }
  button.btn.ghost:hover .ic{ transform:translateY(2px); }
  button.btn .ic{ transition:transform .25s cubic-bezier(.16,1,.3,1); }
  .hero-caption{
    margin:18px auto 0; font-size:13px; color:var(--ink-dim); max-width:420px;
  }
  .scrolldown{
    position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
    z-index:2; color:var(--ink-dim); font-size:12px; letter-spacing:.06em;
    display:flex; flex-direction:column; align-items:center; gap:6px;
  }
  .scrolldown .ic{ animation:bob 1.8s ease-in-out infinite; }
  @keyframes bob{ 0%,100%{opacity:.35; transform:translateY(0);} 50%{opacity:1; transform:translateY(4px);} }
  @media (max-height:720px){ .scrolldown{ display:none; } }

  /* ---------- scroll reveal (alleen als JS draait) ---------- */
  .js .reveal{
    opacity:0; transform:translateY(16px);
    transition:opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
  }
  .js .reveal.in{ opacity:1; transform:none; }

  /* ---------- generic section ---------- */
  section{ position:relative; padding:128px 0; border-top:1px solid var(--line); overflow:clip; }
  @media (max-width:640px){ section{ padding:88px 0; } }
  section > .wrap, footer > .wrap{ position:relative; z-index:1; }
  section.alt{ background:var(--bg-alt); }

  /* ---------- seamless section transitions ---------- */
  .section-fade{
    position:absolute; top:0; left:0; right:0; height:220px; z-index:0; pointer-events:none;
  }
  .has-fade{ border-top:none; }
  .fade-to-light{ background:linear-gradient(to bottom, rgba(15,14,27,0.9), rgba(15,14,27,0) 85%); }
  .fade-to-light.from-alt{ background:linear-gradient(to bottom, rgba(20,18,39,0.9), rgba(20,18,39,0) 85%); }
  .fade-to-dark{ background:linear-gradient(to bottom, rgba(245,240,228,0.95), rgba(245,240,228,0) 85%); }
  .fade-dark-dark{ background:linear-gradient(to bottom, rgba(15,14,27,0.7), rgba(15,14,27,0) 85%); }

  /* ---------- light theme sections (thematic contrast) ---------- */
  section.light{
    --bg:#f5f0e4; --bg-alt:#ece3d0; --bg-card: rgba(30,24,16,0.045);
    --ink:#211b16; --ink-dim:#6d6353; --gold:#c99a3d; --gold-soft:#7e5717;
    --slate:#4c5c78; --line: rgba(33,26,18,0.13); --line-strong: rgba(33,26,18,0.24);
    --good:#3d7a49; --bad:#a4453a;
    background:var(--bg); color:var(--ink);
  }
  @media (max-width:640px){ .intro{ padding:80px 0 72px; } }
  section.light.alt{ background:var(--bg-alt); }
  section.light .content p, section.light ol.arglist li, section.light .panel dd{ color:var(--ink); }
  section.light .content p.dim{ color:var(--ink-dim); }
  section.light{ color-scheme:light; }
  section.light ::selection{ background:#e7cf98; color:#211b16; }
  section.light :focus-visible{ outline-color:#a77a24; }
  /* ---------- section heads: deelvraag-nummer hangt in de marge ---------- */
  .sec-head{ display:flex; align-items:flex-start; gap:22px; }
  .sec-num{
    flex-shrink:0; display:flex; flex-direction:column; align-items:center;
    font-family:var(--serif); font-style:italic; font-weight:400;
    font-size:clamp(52px,7vw,76px); line-height:.9; color:var(--gold);
    font-variation-settings:"opsz" 144; padding-top:2px;
  }
  .sec-num span{
    order:2; margin-top:8px;
    font-family:var(--sans); font-style:normal; font-weight:600; font-size:10.5px;
    letter-spacing:.12em; text-transform:uppercase; color:var(--slate); line-height:1;
  }
  section.light .sec-num{ color:#a77a24; }
  @media (min-width:1000px){
    .sec-head{ margin-left:-104px; }
    .sec-num{ width:82px; }
  }
  .sec-head h2.title{ padding-top:4px; }

  h2.title{ font-size:clamp(30px,4.4vw,44px); max-width:18ch; margin-bottom:8px; letter-spacing:-0.015em; font-weight:500; line-height:1.1; }
  h2.title-sm{ font-size:clamp(24px,3vw,30px); margin-bottom:22px; }
  .question{
    font-family:var(--serif); font-style:italic; color:var(--ink-dim);
    font-size:18px; max-width:560px; margin:22px 0 40px;
  }
  .content p{ color:#dbd7cf; }
  .content p.dim{ color:var(--ink-dim); }

  .pull{
    position:relative; padding-top:26px; margin:40px 0; max-width:580px;
    font-family:var(--serif); font-size:clamp(20px,2.4vw,23px); line-height:1.45; color:var(--ink) !important;
    letter-spacing:-0.005em;
  }
  .pull::before{
    content:""; position:absolute; top:0; left:0; width:44px; height:2px; background:var(--gold);
  }
  .pull-lg{ font-size:clamp(23px,3vw,30px); line-height:1.35; max-width:640px; font-weight:500; }

  ol.arglist{ list-style:none; margin:28px 0 32px; padding:0; counter-reset:arg; border-top:1px solid var(--line); }
  ol.arglist li{
    counter-increment:arg; position:relative;
    padding:20px 0 20px 46px; font-size:16px; color:#dbd7cf;
    border-bottom:1px solid var(--line);
  }
  ol.arglist li::before{
    content:counter(arg); position:absolute; left:2px; top:14px;
    font-family:var(--serif); font-style:italic; font-size:30px; line-height:1; color:var(--gold);
  }
  ol.arglist li b{ display:block; margin-bottom:4px; color:var(--ink); font-family:var(--serif); font-weight:600; font-size:18px; }

  /* ---------- intro / leeswijzer ---------- */
  .intro{ padding:110px 0 100px; }
  .intro:focus{ outline:none; }
  .intro-text{ font-size:17px; color:var(--ink-dim); max-width:62ch; }
  .toc{ list-style:none; margin:48px 0 0; padding:0; border-top:1px solid var(--line); }
  .toc li{ border-bottom:1px solid var(--line); }
  .toc a{
    display:flex; align-items:baseline; gap:20px; padding:16px 4px;
    color:var(--ink); text-decoration:none;
    transition:color .2s ease;
  }
  .toc-n{ width:22px; flex-shrink:0; font-family:var(--serif); font-style:italic; font-size:24px; line-height:1; color:var(--gold); }
  .toc-t{ font-family:var(--serif); font-size:clamp(18px,2.2vw,21px); line-height:1.3; }
  .toc-extra .toc-t{ font-family:var(--sans); font-size:15px; color:var(--ink-dim); }
  .toc a > span{ transition:transform .35s cubic-bezier(.16,1,.3,1), color .2s ease; }
  .toc a:hover > span{ transform:translateX(10px); }
  .toc a:hover{ color:var(--gold-soft); }
  .toc a:hover .toc-t{ color:var(--gold-soft); }

  /* ---------- irreducible complexity demo ---------- */
  .demo-box{
    margin:48px 0 8px; padding:28px; background:var(--bg-card);
    border:1px solid var(--line); border-radius:6px;
  }
  @media (max-width:520px){ .demo-box{ margin-left:-8px; margin-right:-8px; padding:18px 14px; } }
  .demo-label{ font-size:14px; color:var(--ink-dim); margin-bottom:16px; max-width:62ch; }
  .flagellum-model{
    position:relative; display:flex; align-items:flex-start; justify-content:center;
    gap:10px; flex-wrap:wrap; padding:30px 4px 22px; margin-bottom:22px;
  }
  .flagellum-model::before{
    content:""; position:absolute; left:6%; right:6%; top:113px; height:4px;
    background:var(--line-strong); z-index:0; border-radius:2px;
  }
  .fnum{
    width:22px; height:22px; border-radius:50%; background:var(--bg-alt);
    border:1px solid var(--line-strong); color:var(--gold-soft);
    font-family:var(--sans); font-weight:700; font-size:11px;
    display:flex; align-items:center; justify-content:center;
  }
  .fnum.spacer{ visibility:hidden; }
  .fdesc{
    font-family:var(--sans); font-size:12px; color:var(--ink-dim);
    max-width:82px; text-align:center; line-height:1.3;
  }
  .fpart.removed .fdesc{ color:var(--bad); opacity:.75; }
  .fstatic, .fpart{
    position:relative; z-index:1; display:flex; flex-direction:column;
    align-items:center; gap:9px; background:none; border:none; padding:0;
  }
  .fslot{ height:104px; display:flex; align-items:center; justify-content:center; }
  .fpart{ cursor:pointer; user-select:none; }
  .fstatic .flabel, .fpart .flabel{
    font-family:var(--sans); font-size:11.5px; color:var(--ink-dim);
    max-width:82px; text-align:center; transition:color .25s ease;
  }
  .fpart:hover .fshape{ filter:brightness(1.15); transform:translateY(-2px); }
  .fshape{ display:block; transition:background .25s ease, opacity .25s ease, filter .25s ease, transform .2s ease; }

  .cell-body{
    width:64px; height:104px; border-radius:32px;
    background:radial-gradient(circle at 35% 28%, #3a5f52, #12241f 76%);
    box-shadow:inset -8px -6px 16px rgba(0,0,0,.5), inset 6px 4px 10px rgba(255,255,255,.05);
  }
  .fpart.pump .fshape{ width:24px; height:24px; border-radius:5px; background:var(--slate); transform:rotate(45deg); }
  .fpart.motor .fshape{ width:50px; height:50px; border-radius:50%; border:7px solid var(--gold); background:var(--bg-alt); box-shadow:inset 0 0 0 4px rgba(0,0,0,.35); }
  .fpart.shaft .fshape{ width:42px; height:9px; border-radius:5px; background:var(--slate); }
  .fpart.hook .fshape{ width:28px; height:28px; border-radius:0 70% 70% 30%; background:var(--gold-soft); transform:rotate(-20deg); }
  .fpart.filament .fshape{
    width:80px; height:14px; transform-origin:0% 50%;
    background:repeating-linear-gradient(35deg, var(--good) 0 6px, #5f9a6d 6px 12px);
    clip-path:polygon(0% 28%, 100% 0%, 100% 100%, 0% 72%);
    animation:filspin 1.1s linear infinite;
  }
  @keyframes filspin{ to{ transform:rotate(360deg); } }
  .flagellum-model.broken .fpart.filament .fshape{ animation-play-state:paused; }

  .fpart.removed .fshape{ background:var(--bad) !important; border-color:var(--bad) !important; opacity:.6; filter:grayscale(.4) !important; }
  .fpart.removed .flabel{ color:var(--bad); text-decoration:line-through; }
  .flagellum-model{ display:block; padding:0; margin-bottom:20px; }
  .flagellum-model::before{ content:none; }
  .fm-stage{ position:relative; width:100%; aspect-ratio:1000/520; border-radius:6px; overflow:hidden; background:#0b0a16; box-shadow:inset 0 0 0 1px rgba(255,255,255,0.06), 0 10px 30px rgba(0,0,0,0.18); }
  .fm-stage canvas{ display:block; width:100%; height:100%; }
  .fm-legend{ display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:8px; margin-top:12px; }
  @media (max-width:640px){ .fm-legend{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
  .flagellum-model .fpart{ align-items:flex-start; gap:5px; padding:10px 11px 11px; border:1px solid var(--line); border-radius:5px; background:var(--bg-card); text-align:left; font:inherit; color:inherit; transition:border-color .2s ease, background .2s ease; }
  .flagellum-model .fpart:hover, .flagellum-model .fpart.hot{ border-color:var(--gold); }
  .flagellum-model .fpart.removed{ border-color:var(--bad); border-style:dashed; }
  .fhead{ display:flex; align-items:center; gap:7px; }
  .flagellum-model .fpart .flabel{ max-width:none; text-align:left; color:var(--ink); font-weight:600; }
  .flagellum-model .fdesc{ max-width:none; text-align:left; }
  .flagellum-model .fpart.removed .fnum{ background:var(--bad); color:#fff; border-color:var(--bad); }
  .flagellum-status{
    display:flex; align-items:flex-start; gap:10px; margin:0;
    font-family:var(--serif); font-size:18px; line-height:1.4; padding-top:16px;
    border-top:1px solid var(--line); transition:color .3s ease;
  }
  .flagellum-status .ic{ margin-top:.2em; }
  .flagellum-model .fpart{ cursor:pointer; }
  .flagellum-model .fpart:focus-visible{ outline-offset:2px; }
  .flagellum-status.ok{ color:var(--good); }
  .flagellum-status.broken{ color:var(--bad); }

  /* ---------- fine-tuning sliders ---------- */
  .tune-grid{
    display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;
    margin:40px 0;
  }
  @media (max-width:760px){ .tune-grid{ grid-template-columns:1fr; } }
  @keyframes nebulaDrift{ from{ transform:translate(0,0) scale(1); } to{ transform:translate(-3%,3%) scale(1.06); } }
  #dv3::before{
    content:""; position:absolute; inset:-10%; z-index:0; pointer-events:none;
    background:
      radial-gradient(circle at 18% 20%, rgba(124,136,163,0.10), transparent 45%),
      radial-gradient(circle at 82% 65%, rgba(201,154,61,0.07), transparent 42%);
    animation:nebulaDrift 26s ease-in-out infinite alternate;
  }
  .sliders{ display:flex; flex-direction:column; gap:30px; }
  .slider-row label{
    display:flex; justify-content:space-between; font-size:14px;
    color:var(--ink-dim); margin-bottom:10px;
  }
  .slider-row label span.val{ color:var(--gold-soft); font-family:var(--serif); font-size:16px; font-variant-numeric:tabular-nums; }
  .track-wrap{ position:relative; height:32px; display:flex; align-items:center; }
  /* leefbare zone: --lo/--hi zijn fracties van het schuifbereik, gecorrigeerd voor de duimbreedte (20px) */
  .band{
    position:absolute; top:50%; height:12px; margin-top:-6px; border-radius:4px;
    left:calc(10px + var(--lo) * (100% - 20px));
    width:calc((var(--hi) - var(--lo)) * (100% - 20px));
    background:rgba(127,184,138,0.30); box-shadow:inset 0 0 0 1px rgba(127,184,138,0.55);
    pointer-events:none; z-index:2;
  }
  input[type=range]{
    -webkit-appearance:none; appearance:none; width:100%; height:6px; margin:0;
    background:rgba(238,234,225,0.14); border-radius:3px; position:relative; z-index:1; cursor:pointer;
  }
  input[type=range]:focus-visible{ outline:2px solid var(--gold); outline-offset:8px; }
  input[type=range]::-webkit-slider-thumb{
    -webkit-appearance:none; width:20px; height:20px; border-radius:50%;
    background:var(--gold); cursor:grab; border:3px solid #1c1730; position:relative; z-index:3;
    box-shadow:0 2px 8px rgba(0,0,0,0.4); transition:transform .2s cubic-bezier(.16,1,.3,1);
  }
  input[type=range]:active::-webkit-slider-thumb{ cursor:grabbing; transform:scale(1.15); }
  input[type=range]::-moz-range-thumb{
    width:14px; height:14px; border-radius:50%; background:var(--gold); border:3px solid #1c1730; cursor:grab;
    box-shadow:0 2px 8px rgba(0,0,0,0.4);
  }
  .track-wrap input[type=range]{ z-index:3; background:transparent; }
  .track-wrap::before{ content:""; position:absolute; left:0; right:0; top:50%; height:6px; margin-top:-3px; border-radius:3px; background:rgba(238,234,225,0.14); }
  .planet-scene{ position:relative; width:100%; max-width:220px; aspect-ratio:1/1; margin:0 auto; }
  .stars{ position:absolute; inset:-18%; z-index:0; pointer-events:none; transition:opacity 1s ease; }
  .stars .star{ position:absolute; width:2px; height:2px; border-radius:50%; background:var(--ink); animation:twinkle 2.2s ease-in-out infinite; }
  @keyframes twinkle{ 0%,100%{ opacity:.15; } 50%{ opacity:1; } }
  .planet-scene.dead .stars{ opacity:0; }

  .moon-orbit{ position:absolute; inset:-4%; z-index:1; animation:orbit 9s linear infinite; }
  .planet-scene.dead .moon-orbit{ animation-play-state:paused; opacity:.35; transition:opacity 1s ease; }
  .moon{ position:absolute; top:0; left:50%; width:8px; height:8px; border-radius:50%; background:#cfcabf; box-shadow:0 0 6px rgba(238,234,225,.5); transform:translate(-50%,-50%); }
  @keyframes orbit{ from{ transform:rotate(0deg); } to{ transform:rotate(360deg); } }

  .planet-body{
    position:relative; z-index:2; width:100%; height:100%; border-radius:50%;
    overflow:hidden; box-shadow:0 0 50px rgba(90,160,220,0.28);
    transition:box-shadow 1.1s ease;
  }
  .planet-scene.dead .planet-body{ box-shadow:0 0 24px rgba(0,0,0,0.25); }

  .planet-layer{
    position:absolute; inset:0; border-radius:50%; opacity:0;
    transition:opacity 1.1s ease; background-position:0 0, 0 0, 0 0;
  }
  .planet-layer.alive{
    opacity:1;
    background:
      radial-gradient(circle at 22% 20%, rgba(255,255,255,.4), transparent 12%),
      radial-gradient(circle at 52% 55%, rgba(255,255,255,.32), transparent 14%),
      radial-gradient(circle at 78% 28%, rgba(255,255,255,.24), transparent 10%),
      radial-gradient(circle at 30% 45%, #4b7c4a, transparent 25%),
      radial-gradient(circle at 68% 62%, #6f8f52, transparent 20%),
      radial-gradient(circle at 55% 20%, #7c6b46, transparent 16%),
      radial-gradient(circle at 38% 34%, #3577ab, #0a1f30 76%);
    background-size:240% 240%, 240% 240%, 240% 240%, 220% 220%, 220% 220%, 220% 220%, 100% 100%;
    box-shadow:inset -16px -12px 34px rgba(0,0,0,.5), inset 8px 6px 18px rgba(255,255,255,.08);
    animation:cloudspin 26s linear infinite;
  }
  .planet-layer.dead{
    background:
      radial-gradient(circle at 28% 68%, rgba(0,0,0,.35), transparent 38%),
      radial-gradient(circle at 66% 38%, rgba(0,0,0,.28), transparent 34%),
      radial-gradient(circle at 40% 35%, #6b6558, #201d1a 75%);
    box-shadow:inset -16px -12px 34px rgba(0,0,0,.7);
  }
  .planet-scene.dead .planet-layer.alive{ opacity:0; }
  .planet-scene.dead .planet-layer.dead{ opacity:1; }
  @keyframes cloudspin{ to{ background-position:-520px 0, -520px 0, -520px 0, -260px 0, -260px 0, -260px 0, 0 0; } }

  .planet-atmosphere{
    position:absolute; inset:-6%; z-index:3; border-radius:50%; pointer-events:none;
    box-shadow:0 0 24px 6px rgba(90,160,220,.4); opacity:1;
    transition:opacity 1.1s ease; animation:atmopulse 4.5s ease-in-out infinite;
  }
  .planet-scene.dead .planet-atmosphere{ opacity:0; }
  @keyframes atmopulse{ 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.04); } }

  .universe-label{ margin-top:20px; text-align:center; font-family:var(--serif); font-size:15px; color:var(--ink); transition:color .4s ease; }
  .universe-label.dead{ color:var(--ink-dim); }

  /* ---------- scale of the universe ---------- */
  .scale-intro{ position:relative; z-index:1; padding-bottom:60px; text-align:center; margin:0 auto; }
  .scale-intro .question, .scale-intro h2.title{ margin-left:auto; margin-right:auto; }
  .scale-info h3{ text-wrap:balance; }
  .scale-track{ position:relative; height:700vh; }
  .scale-stage{
    position:sticky; top:0; height:100vh; display:flex; flex-direction:column;
    align-items:center; justify-content:center; overflow:hidden;
  }
  .scale-visual{ position:relative; width:100%; max-width:640px; height:44vh; min-height:280px; }
  .scale-scene{
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    opacity:0; will-change:transform, opacity;
  }
  .scale-info{ text-align:center; margin-top:18px; transition:opacity .25s ease; position:relative; z-index:6; text-shadow:0 1px 14px rgba(0,0,0,.85); }
  .scale-dots{ position:relative; z-index:6; }
  .scale-hint{ z-index:6; }
  .scale-step{ font-family:var(--sans); font-size:12.5px; color:var(--slate); letter-spacing:.04em; margin-bottom:8px; }
  .scale-label{ font-family:var(--serif); font-size:clamp(24px,4vw,32px); margin-bottom:6px; }
  .scale-size{ font-family:var(--sans); font-size:14px; color:var(--gold-soft); margin-bottom:12px; }
  .scale-zoom{ font-size:13px; color:var(--ink-dim); margin:-4px 0 12px; font-variant-numeric:tabular-nums; letter-spacing:.01em; }
  .scale-fact{ font-size:15px; color:var(--ink-dim); max-width:440px; margin:0 auto; line-height:1.55; }
  .scale-dots{ display:flex; gap:7px; margin-bottom:26px; }
  .scale-dots .sdot{ width:6px; height:6px; border-radius:50%; background:var(--line-strong); transition:background .3s ease, transform .3s ease; }
  .scale-dots .sdot.active{ background:var(--gold); transform:scale(1.4); }
  .scale-hint{
    position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
    font-size:12px; color:var(--ink-dim); transition:opacity .4s ease;
  }

  .sc-earth{
    width:88px; height:88px; border-radius:50%;
    background:radial-gradient(circle at 30% 26%, rgba(255,255,255,.35), transparent 40%),
      radial-gradient(circle at 32% 45%, #4b7c4a, transparent 26%),
      radial-gradient(circle at 38% 34%, #3577ab, #0a1f30 76%);
    box-shadow:0 0 46px rgba(90,160,220,.4);
  }
  .sc-orbit{ position:relative; width:260px; height:260px; display:flex; align-items:center; justify-content:center; }
  .sc-orbit .sc-earth{ width:38px; height:38px; box-shadow:0 0 22px rgba(90,160,220,.4); }
  .sc-orbit-ring{ position:absolute; inset:0; border:1px dashed var(--line-strong); border-radius:50%; }
  .sc-moon{ position:absolute; top:50%; right:6px; width:9px; height:9px; margin-top:-4px; border-radius:50%; background:#cfcabf; box-shadow:0 0 6px rgba(238,234,225,.5); }

  .sc-solar{ position:relative; width:300px; height:300px; display:flex; align-items:center; justify-content:center; }
  .sc-sun{
    width:26px; height:26px; border-radius:50%;
    background:radial-gradient(circle, #ffe9b0, var(--gold) 60%, #a9762b 100%);
    box-shadow:0 0 34px 9px rgba(201,154,61,.5); z-index:1;
  }
  .sc-ring{ position:absolute; border:1px solid var(--line); border-radius:50%; }
  .sc-ring .sc-planet{ position:absolute; width:5px; height:5px; border-radius:50%; background:var(--slate); }

  .sc-nearstars{ position:relative; width:260px; height:260px; }
  .sc-nearstars .sc-star{ position:absolute; width:3px; height:3px; border-radius:50%; background:var(--ink); }
  .sc-nearstars .sc-star.sun{ width:8px; height:8px; background:var(--gold-soft); box-shadow:0 0 10px rgba(224,189,118,.7); }

  .sc-galaxy{ position:relative; width:260px; height:260px; border-radius:50%; }
  .sc-galaxy::before{
    content:""; position:absolute; inset:0; border-radius:50%;
    background:conic-gradient(from 0deg, rgba(124,136,163,.55) 0deg 18deg, transparent 18deg 95deg,
      rgba(124,136,163,.4) 95deg 112deg, transparent 112deg 185deg,
      rgba(124,136,163,.55) 185deg 203deg, transparent 203deg 275deg,
      rgba(124,136,163,.4) 275deg 292deg, transparent 292deg 360deg);
    filter:blur(7px); transform:rotate(15deg);
  }
  .sc-galaxy::after{
    content:""; position:absolute; inset:36%; border-radius:50%;
    background:radial-gradient(circle, #fff6df, var(--gold-soft) 50%, transparent 75%); filter:blur(1px);
  }

  .sc-localgroup{ position:relative; width:300px; height:300px; }
  .sc-minigal-wrap{ position:absolute; transform:translate(-50%,-50%); }

  .sc-observable{ position:relative; width:300px; height:300px; }
  .sc-observable-ring{ position:absolute; inset:-6%; border:1px dashed var(--line); border-radius:50%; }

  .scale-glow{ position:absolute; inset:0; z-index:-1; pointer-events:none; transition:background .4s ease; }
  .scale-streaks{
    position:absolute; inset:-15%; z-index:-1; pointer-events:none; opacity:0; filter:blur(1px);
    background:repeating-conic-gradient(from 0deg, rgba(238,234,225,0.5) 0deg 1deg, transparent 1deg 28deg);
    mask-image:radial-gradient(circle, transparent 22%, black 50%, transparent 82%);
    -webkit-mask-image:radial-gradient(circle, transparent 22%, black 50%, transparent 82%);
  }
  .scale-vignette{
    position:absolute; inset:0; z-index:5; pointer-events:none;
    background:radial-gradient(ellipse 70% 65% at 50% 45%, transparent 45%, rgba(0,0,0,0.55) 100%);
  }
  .scale-parallax{ position:absolute; inset:-10% -10%; z-index:-1; pointer-events:none; overflow:hidden; }
  .scale-parallax .sc-pstar{ position:absolute; border-radius:50%; background:var(--ink); animation:twinkle 3.4s ease-in-out infinite; }
  .scale-parallax .layer-far .sc-pstar{ opacity:.28; }
  .scale-parallax .layer-near .sc-pstar{ opacity:.55; }

  @keyframes galaxyspin{ to{ transform:rotate(360deg); } }
  .sc-galaxy{ animation:galaxyspin 90s linear infinite; }
  .sc-gal-star{ position:absolute; border-radius:50%; background:#fff; }

  @keyframes webdrift{ 0%,100%{ transform:rotate(-1.5deg) scale(1); } 50%{ transform:rotate(1.5deg) scale(1.02); } }
  .sc-observable svg{ display:block; width:100%; height:100%; animation:webdrift 30s ease-in-out infinite; transform-origin:50% 50%; overflow:visible; }
  .sc-observable-glow circle{ fill:var(--gold-soft); filter:blur(2.5px); }

  .tune-reason{
    margin:6px 0 0; font-size:14.5px; color:var(--ink-dim); min-height:66px;
    padding-top:16px; border-top:1px solid var(--line);
  }
  .tune-verdict{ font-weight:600; display:inline-flex; vertical-align:-0.14em; margin-right:6px; }
  .dv3-note{ font-size:14px; max-width:560px; color:var(--ink-dim); }
  .tune-verdict.ok{ color:var(--good); }
  .tune-verdict.bad{ color:var(--bad); }

  /* ---------- deelvraag 4 toggle ---------- */
  .switcher{ margin:36px 0 0; }
  .switch-tabs{
    position:relative; display:inline-flex; border:1px solid var(--line-strong); border-radius:24px;
    padding:4px; gap:4px; margin-bottom:28px;
  }
  .tab-indicator{
    position:absolute; top:4px; bottom:4px; left:4px; border-radius:20px; background:var(--gold);
    z-index:0; transition:transform .4s cubic-bezier(.16,1,.3,1), width .4s cubic-bezier(.16,1,.3,1);
  }
  .switch-tabs button{
    position:relative; z-index:1;
    font-family:var(--sans); font-size:14px; font-weight:600; padding:9px 20px;
    border-radius:20px; border:none; background:transparent; color:var(--ink-dim); cursor:pointer;
    transition:color .25s ease;
  }
  .switch-tabs button.active{ color:#1c1730; }
  .switch-tabs button:not(.active):hover{ color:var(--ink); }
  .panels{ position:relative; min-height:300px; }
  .panel{ display:none; margin:0; border-top:1px solid var(--line-strong); }
  .panel.show{ display:block; }
  .panel.show .row{ animation:rowin .55s cubic-bezier(.16,1,.3,1) both; }
  .panel.show .row:nth-child(2){ animation-delay:.06s; }
  .panel.show .row:nth-child(3){ animation-delay:.12s; }
  @keyframes rowin{ from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:none;} }
  .panel .row{
    display:grid; grid-template-columns:150px 1fr; gap:24px; align-items:baseline;
    padding:22px 0; border-bottom:1px solid var(--line);
  }
  @media (max-width:560px){ .panel .row{ grid-template-columns:1fr; gap:4px; } }
  .panel dt{
    font-family:var(--serif); font-style:italic; font-size:20px; color:var(--slate); line-height:1.3;
  }
  .panel dd{ margin:0; font-size:16px; color:#dbd7cf; }

  /* ---------- accordion ---------- */
  .accordion{ margin-top:40px; border-top:1px solid var(--line-strong); }
  .acc-item{ border-bottom:1px solid var(--line); }
  .acc-item h3{ font-family:var(--sans); font-size:inherit; font-weight:inherit; margin:0; }
  .acc-head{
    width:100%; text-align:left; background:none; border:none; cursor:pointer;
    padding:20px 4px; display:flex; justify-content:space-between; align-items:center; gap:16px;
    font-family:var(--serif); font-size:clamp(18px,2.1vw,20px); font-weight:500; color:var(--ink);
    transition:color .2s ease;
  }
  .acc-head:hover{ color:var(--gold-soft); }
  .acc-head .plus{
    width:30px; height:30px; padding:7px; border-radius:50%; border:1px solid var(--line-strong);
    color:var(--gold-soft); transition:transform .4s cubic-bezier(.16,1,.3,1), background .2s ease, color .2s ease, border-color .2s ease;
  }
  .acc-head:hover .plus{ border-color:var(--gold); }
  .acc-item.open .plus{ transform:rotate(135deg); background:var(--gold); border-color:var(--gold); color:#1c1730; }
  .acc-body{ display:grid; grid-template-rows:0fr; transition:grid-template-rows .45s cubic-bezier(.16,1,.3,1), visibility .45s; visibility:hidden; }
  .acc-item.open .acc-body{ grid-template-rows:1fr; visibility:visible; }
  .acc-body > .acc-body-in{ overflow:hidden; min-height:0; }
  .acc-body-in{ padding:0 48px 0 4px; font-size:16px; color:var(--ink-dim); }
  .acc-item.open .acc-body-in{ padding-bottom:22px; }
  .disclaimer{
    margin:40px 0 0; padding:20px 22px; border:1px solid var(--line-strong); border-radius:6px;
    background:var(--bg-card); font-size:15px; color:var(--ink);
  }

  /* ---------- bronnen / footer ---------- */
  footer{ position:relative; padding:100px 0 60px; text-align:left; background:var(--bg-alt); }
  footer ol.sources{ padding-left:20px; color:var(--ink-dim); font-size:14.5px; max-width:62ch; }
  footer ol.sources li{ margin-bottom:12px; padding-left:4px; }
  footer ol.sources li::marker{ color:var(--slate); font-variant-numeric:tabular-nums; }
  footer .ic-out{ width:.8em; height:.8em; margin-left:3px; vertical-align:-0.05em; }
  footer .meta{
    margin-top:60px; padding-top:24px; border-top:1px solid var(--line);
    font-size:13px; color:var(--ink-dim); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  }

  .planet-body canvas{ position:absolute; inset:0; width:100%; height:100%; display:block; }
  .planet-scene .planet-layer, .planet-scene .planet-atmosphere{ display:none; }
  .planet-scene .planet-body{ box-shadow:0 0 36px 2px rgba(90,160,255,.35), 0 0 110px rgba(70,130,255,.18); }
  .planet-scene.dead .planet-body{ box-shadow:0 0 30px rgba(150,110,70,.18); }
  .cosmo-canvas{ display:block; width:min(400px, max(280px, 44vh), 90vw); aspect-ratio:1/1; height:auto; }

  /* ---------- verfijningen ---------- */
  h2.title + .content{ margin-top:30px; }
  footer ol.sources a{ white-space:nowrap; }
  .switch-tabs button{ white-space:nowrap; }
  @media (max-width:520px){
    .switch-tabs{ display:flex; width:100%; }
    .switch-tabs button{ flex:1; padding:10px 8px; font-size:13.5px; }
    .fm-legend .fpart:last-child{ grid-column:span 2; }
    .sec-head{ gap:16px; }
  }

  /* ---------- kleine knoppen: terugzetten, overslaan, inhoud ---------- */
  .btn-link{
    display:inline-flex; align-items:center; gap:6px; margin-top:14px; padding:8px 0;
    background:none; border:none; cursor:pointer;
    font-family:var(--sans); font-size:14px; font-weight:600; color:var(--gold-soft);
    text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:.25em;
  }
  .btn-link:hover{ color:var(--ink); }
  .skip-zoom{ display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:600; }

  /* ---------- printen: alleen de tekst, op wit papier ---------- */
  @media print{
    :root{ --ink:#111; --ink-dim:#444; --gold:#8a6420; --gold-soft:#6b4c12; --slate:#444; --line:#ccc; --line-strong:#999; --bg-card:transparent; }
    html, body, section, section.alt, section.light, footer{ background:#fff !important; color:#111 !important; }
    #bgStars, #progress, #dotnav, .site-menu, .skip, #termTip, .counter, .chance, #heroCanvas, .hero-actions, .hero-caption, .scrolldown,
    .section-fade, .demo-box, .tune-grid, .dv3-note, #scale-universe, .switch-tabs, .btn-link, .toc{ display:none !important; }
    #hero{ min-height:0; padding:0 0 24px; }
    #hero::after{ display:none; }
    .masthead{ position:static; padding:0 0 16px; }
    section{ padding:28px 0; border-top:1px solid #ccc; break-inside:auto; }
    .content p, .panel dd, ol.arglist li{ color:#111 !important; }
    .js .reveal{ opacity:1 !important; transform:none !important; }
    .panel{ display:block !important; margin-bottom:16px; }
    .panel[hidden]{ display:block !important; }
    .acc-body{ grid-template-rows:1fr !important; visibility:visible !important; }
    .acc-body-in{ padding-bottom:12px !important; }
    .acc-head .plus{ display:none; }
    #panel-toeval::before{ content:"Toeval-wereldbeeld"; } #panel-ontwerp::before{ content:"Ontwerp-wereldbeeld"; }
    .panel::before{ display:block; padding-top:12px; font-weight:700; font-size:14px; }
    .sec-head{ margin-left:0 !important; }
    a{ color:#111; }
    footer ol.sources a::after{ content:" (" attr(href) ")"; font-size:11px; word-break:break-all; white-space:normal; }
  }

  /* ---------- menu rechtsboven ---------- */
  .site-menu{ position:fixed; top:16px; right:16px; z-index:70; }
  .menu-btn{
    display:inline-flex; align-items:center; gap:8px; min-height:42px; padding:9px 16px 9px 13px;
    border-radius:22px; border:1px solid var(--line-strong); background:rgba(15,14,27,0.9); color:var(--ink);
    font-family:var(--sans); font-size:14px; font-weight:600; cursor:pointer;
    box-shadow:0 6px 20px rgba(0,0,0,0.3); transition:border-color .2s ease, color .2s ease;
  }
  .menu-btn:hover{ border-color:var(--gold); color:var(--gold-soft); }
  .menu-btn .ic-shut{ display:none; }
  .site-menu.open .menu-btn .ic-open{ display:none; }
  .site-menu.open .menu-btn .ic-shut{ display:block; }
  .menu-panel{
    position:absolute; right:0; top:calc(100% + 10px); width:min(340px, calc(100vw - 32px));
    max-height:calc(100vh - 90px); overflow:auto;
    background:#17152b; border:1px solid var(--line-strong); border-radius:12px; padding:8px;
    box-shadow:0 20px 44px rgba(0,0,0,0.5); transform-origin:top right;
    animation:menuin .28s cubic-bezier(.16,1,.3,1);
  }
  @keyframes menuin{ from{ opacity:0; transform:translateY(-6px) scale(.97); } to{ opacity:1; transform:none; } }
  .menu-list{ list-style:none; margin:0; padding:0; }
  .menu-list a{
    display:flex; align-items:baseline; gap:14px; padding:11px 12px; border-radius:7px;
    color:var(--ink); text-decoration:none; font-size:15px; line-height:1.35;
    transition:background .15s ease, color .15s ease;
  }
  .menu-list a:hover{ background:rgba(238,234,225,0.06); color:var(--ink); }
  .menu-list a[aria-current]{ background:rgba(201,154,61,0.12); color:var(--gold-soft); }
  .m-n{ width:16px; flex-shrink:0; font-family:var(--serif); font-style:italic; font-size:20px; line-height:1; color:var(--gold); }
  .menu-setting{
    display:flex; justify-content:space-between; align-items:center; gap:16px;
    margin-top:6px; padding:14px 12px 6px; border-top:1px solid var(--line); font-size:15px; font-weight:600;
  }
  .switch{
    position:relative; width:46px; height:26px; flex-shrink:0; border-radius:13px; border:0; padding:0; cursor:pointer;
    background:rgba(238,234,225,0.22); transition:background .2s ease;
  }
  .switch-knob{
    position:absolute; top:3px; left:3px; width:20px; height:20px; border-radius:50%; background:#fff;
    box-shadow:0 1px 3px rgba(0,0,0,0.4); transition:transform .25s cubic-bezier(.16,1,.3,1);
  }
  .switch[aria-checked="true"]{ background:var(--gold); }
  .switch[aria-checked="true"] .switch-knob{ transform:translateX(20px); }
  .switch:disabled{ opacity:.5; cursor:not-allowed; }
  .menu-note{ margin:0; padding:2px 12px 8px; font-size:12.5px; line-height:1.45; color:var(--ink-dim); }
  @media (max-width:520px){ .site-menu{ top:12px; right:12px; } }

  /* ---------- woorduitleg ---------- */
  .term{
    font:inherit; color:inherit; background:none; border:0; padding:0; cursor:help; display:inline;
    text-decoration:underline dotted; text-decoration-color:var(--gold); text-decoration-thickness:1.5px; text-underline-offset:.24em;
    transition:color .15s ease;
  }
  .term:hover, .term[aria-expanded="true"]{ color:var(--gold-soft); }
  #termTip{
    position:absolute; z-index:80; width:max-content; max-width:min(300px, calc(100vw - 24px));
    background:#17152b; color:#eeeae1; border:1px solid rgba(238,234,225,0.22); border-radius:9px;
    padding:12px 14px; font-family:var(--sans); font-size:14px; line-height:1.5;
    box-shadow:0 14px 32px rgba(0,0,0,0.45); animation:menuin .22s cubic-bezier(.16,1,.3,1);
  }
  #termTip strong{ display:block; margin-bottom:3px; font-family:var(--serif); font-size:16px; font-weight:600; color:#e0bd76; }

  /* ---------- links naar het tegenargument ---------- */
  .counter{ margin:22px 0 0; display:flex; flex-wrap:wrap; gap:8px 22px; }
  .counter-link{
    display:inline-flex; align-items:center; gap:7px; font-size:14px; font-weight:600; color:var(--gold-soft);
    text-decoration:underline; text-decoration-color:transparent; text-underline-offset:.25em;
  }
  .counter-link:hover{ text-decoration-color:currentColor; color:var(--gold-soft); }
  .counter-link .ic{ width:.95em; height:.95em; }
  ol.arglist li .counter-link{ display:flex; width:max-content; max-width:100%; margin-top:10px; }

  /* ---------- kansmachine ---------- */
  .chance{ margin-top:44px; }
  .chain-row{ display:grid; grid-template-columns:44px 1fr; align-items:center; gap:12px; margin-bottom:10px; }
  .chain-lbl{ font-size:12px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--slate); }
  .chain{ display:grid; grid-template-columns:repeat(12, minmax(0,1fr)); gap:5px; }
  .chip{
    aspect-ratio:1; display:grid; place-items:center; border-radius:5px;
    font-family:var(--sans); font-weight:600; font-size:clamp(11px, 2.2vw, 15px);
    background:rgba(238,234,225,0.05); border:1px solid var(--line); color:var(--ink-dim);
    transition:background .2s ease, border-color .2s ease, color .2s ease;
  }
  .chip.target{ color:var(--ink); border-color:var(--line-strong); background:rgba(238,234,225,0.08); }
  .chip.hit{ background:rgba(201,154,61,0.22); border-color:var(--gold); color:var(--gold-soft); }
  .chance-stats{ display:flex; flex-wrap:wrap; gap:6px 26px; margin:16px 0 4px; font-size:14px; color:var(--ink-dim); font-variant-numeric:tabular-nums; }
  .chance-stats b{ color:var(--ink); }
  .chance-actions{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin:16px 0; }
  .chance-actions .btn{ min-height:42px; padding:10px 18px; font-size:14px; }
  .chance-actions .btn-link{ margin-top:0; }
  button.btn:disabled{ opacity:.45; cursor:wait; transform:none; box-shadow:none; }
  .chance-msg{ font-family:var(--serif); font-size:17px; line-height:1.5; min-height:3em; margin:0 0 14px; color:var(--ink); }
  .chance-note{ display:block; margin-top:10px; padding:10px 14px; border-left:3px solid var(--gold); font-family:var(--sans); font-size:15px; color:var(--ink-dim); }
  .chance-note strong{ color:var(--ink); }
  .chance-math{ margin:0; padding-top:14px; border-top:1px solid var(--line); font-size:14px; color:var(--ink-dim); }
  @media (max-width:520px){
    .chain-row{ grid-template-columns:1fr; gap:6px; }
    .chain{ gap:3px; }
    .chance-actions .btn{ width:100%; justify-content:center; }
  }