:root{
    --night:#030a16;
    --night-2:#0b1424;
    --paper:#f2efe8;
    --ink:#0d0f12;
    --ink-2:#4a4d52;
    --rule:#cfc9bc;
    --red:#c8372d;
    --font:"Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
    --max:1180px;
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:18px;line-height:1.55;-webkit-font-smoothing:antialiased}
  a{color:inherit}
  img,svg{display:block}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
  @media (max-width:600px){.wrap{padding:0 16px}}
  h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.025em;line-height:1}
  p{margin:0 0 1em}

  /* text links instead of pill buttons */
  .go{display:inline-block;font-weight:700;text-decoration:none;border-bottom:3px solid currentColor;padding-bottom:2px}
  .go:hover{border-bottom-color:var(--red)}
  .go::after{content:" \2192"}

  /* help strip */
  .strip{background:var(--red);color:#fff;font-size:15px}
  .strip .wrap{display:flex;flex-wrap:wrap;gap:4px 24px;padding-top:9px;padding-bottom:9px}
  .strip a{font-weight:700;text-decoration:none}
  .strip a:hover{text-decoration:underline}

  /* top: dark */
  .night{background:var(--night);color:#f4f4f2}
  .nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:22px;padding-bottom:22px}
  .logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:18px;letter-spacing:-.01em}
  .logo svg{width:20px;height:24px}
  .nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:16px}
  .nav ul a{text-decoration:none;opacity:.75}
  .nav ul a:hover{opacity:1;text-decoration:underline}
  .nav ul a[aria-current]{opacity:1;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}
  @media (max-width:760px){
    .nav .wrap{flex-direction:column;align-items:flex-start;gap:14px}
    .nav ul{gap:20px;font-size:15px;flex-wrap:wrap}
  }

  .hero{position:relative;padding:12vh 0 0;overflow:hidden}
  .hero h1{font-size:clamp(64px,13vw,200px);font-weight:900;letter-spacing:-.05em;line-height:.88;max-width:10ch}
  .hero h1 .lit{color:#fff;text-shadow:0 0 50px rgba(200,215,255,.55)}
  .hero h1 .dim{color:#3a4458}
  .hero-foot{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;border-top:1px solid #1e2a3e;margin-top:10vh;padding:28px 0 44px}
  .hero-foot p{margin:0;font-size:20px;line-height:1.45;color:#b8c0cd;max-width:520px}
  .hero-foot .links{display:flex;gap:28px;justify-content:flex-end;flex-wrap:wrap}
  .hero-foot{position:relative;z-index:1}
  .hero-mark{position:absolute;right:4vw;top:7vh;width:min(30vw,400px);opacity:.95;pointer-events:none}
  @media (max-width:800px){
    .hero{padding-top:40px}
    .hero-mark{display:none}
    .hero-foot{grid-template-columns:1fr;margin-top:56px}
    .hero-foot .links{justify-content:flex-start}
  }

  /* paper sections */
  .block{padding:96px 0;border-bottom:1px solid var(--rule)}
  @media (max-width:700px){.block{padding:64px 0}}
  .label{font-size:15px;font-weight:700;margin:0 0 28px;display:flex;gap:12px;align-items:center}
  .label::before{content:"";width:14px;height:14px;background:var(--ink)}


  .mission .wrap{display:grid;grid-template-columns:380px 1fr;gap:48px}
  .mission p{font-size:22px;line-height:1.5;max-width:680px;margin:0 0 .8em}
  .mission p:last-child{margin:0}
  @media (max-width:860px){.mission .wrap{grid-template-columns:1fr;gap:16px}.mission p{font-size:19px}}
  .split{display:grid;grid-template-columns:380px 1fr;gap:48px}
  @media (max-width:860px){.split{grid-template-columns:1fr;gap:16px}}
  .split h2,.mission h2{font-size:clamp(32px,3.3vw,44px)!important;line-height:1.05;text-wrap:balance}

  .rows{border-top:2px solid var(--ink)}
  .row{display:grid;grid-template-columns:240px 1fr;gap:32px;padding:26px 0;border-bottom:1px solid var(--rule)}
  .row h3{font-size:24px;letter-spacing:-.015em;line-height:1.15}
  .row p{margin:0;color:var(--ink-2)}
  @media (max-width:640px){.row{grid-template-columns:1fr;gap:8px}}

  /* numbers */
  .figures{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink);margin-top:8px}
  .fig{padding:28px 24px 8px 0;border-right:1px solid var(--rule)}
  .fig + .fig{padding-left:24px}
  .fig:last-child{border-right:0}
  .fig b{display:block;font-size:clamp(48px,6vw,84px);font-weight:900;letter-spacing:-.045em;line-height:1}
  .fig b sup{font-size:.22em;font-weight:700;letter-spacing:0;vertical-align:top;position:relative;top:.5em;margin-left:4px}
  .fig p{font-size:16px;color:var(--ink-2);margin:12px 0 0}
  @media (max-width:900px){.figures{grid-template-columns:1fr 1fr}.fig:nth-child(2){border-right:0}.fig:nth-child(3){padding-left:0}.fig:nth-child(n+3){border-top:1px solid var(--rule)}}
  @media (max-width:480px){.figures{grid-template-columns:1fr}.fig,.fig + .fig{padding-left:0;border-right:0}.fig + .fig{border-top:1px solid var(--rule)}}
  .notes{margin-top:36px;font-size:14px;color:var(--ink-2);max-width:760px}
  .notes a{color:var(--ink)}

  /* signs */
  .signs ol{margin:0;padding:0;list-style:none;counter-reset:s;border-top:2px solid var(--ink)}
  .signs li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;padding:18px 0;border-bottom:1px solid var(--rule)}
  .signs li::before{content:counter(s);font-weight:800}
  .aside{margin-top:28px;padding-left:16px;border-left:4px solid var(--red);font-size:17px}

  /* help: inverted */
  .help{background:var(--ink);color:#fff;padding:96px 0}
  .help h2{font-size:clamp(36px,4.4vw,56px);max-width:16ch}
  .help .num{display:block;font-size:clamp(44px,8.5vw,120px);font-weight:900;letter-spacing:-.045em;line-height:1;text-decoration:none;margin:40px 0 8px}
  .help .num:hover{color:#ffd7d3}
  .help .sub{color:#a9adb3;font-size:17px;max-width:560px}
  .help ul{list-style:none;margin:36px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px 40px;border-top:1px solid #33363b;padding-top:24px}
  .help ul a{font-weight:700;text-decoration:none;border-bottom:2px solid #fff}
  .help ul a:hover{border-color:var(--red)}

  /* involved */
  .ways{border-top:2px solid var(--ink)}
  .way{display:grid;grid-template-columns:1fr 1.3fr auto;gap:32px;align-items:baseline;padding:28px 0;border-bottom:1px solid var(--rule)}
  .way h3{font-size:26px;letter-spacing:-.015em}
  .way p{margin:0;color:var(--ink-2)}
  .way .go{white-space:nowrap;justify-self:start}
  @media (max-width:860px){.way{grid-template-columns:1fr;gap:10px}}

  .ico{width:18px;height:18px;fill:currentColor;flex:none}
  .social{display:flex;gap:24px;flex-wrap:wrap}
  .social a{display:inline-flex;align-items:center;gap:8px;font-weight:700;text-decoration:none;border-bottom:3px solid currentColor;padding-bottom:2px}
  .social a:hover{border-bottom-color:var(--red)}
  footer ul a{display:inline-flex;align-items:center;gap:10px}
  /* footer */
  footer{background:var(--night);color:#aab2bf;font-size:15px;padding:72px 0 110px}
  footer .top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:40px;border-bottom:1px solid #1e2a3e}
  footer .big{font-size:clamp(28px,4vw,48px);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.05;max-width:14ch;margin:0}
  footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
  footer a{text-decoration:none}
  footer a:hover{color:#fff;text-decoration:underline}
  footer .cols{display:flex;gap:64px;flex-wrap:wrap}
  footer h4{margin:0 0 12px;color:#fff;font-size:15px}
  footer .legal{margin-top:28px;font-size:13px;color:#6f7a8c;max-width:760px}

  /* sub pages */
  .page-head{padding:9vh 0 56px}
  .page-head h1{font-size:clamp(56px,9vw,128px);font-weight:900;letter-spacing:-.05em;line-height:.9}
  .page-head p{margin:28px 0 0;font-size:20px;line-height:1.45;color:#b8c0cd;max-width:640px}
  .prose p{max-width:680px}
  .prose p:last-child{margin-bottom:0}
  .row a{font-weight:700}
  .row .meta{display:block;margin-top:8px;font-weight:700;color:var(--ink)}
  .tips{margin:0;padding:0;list-style:none;border-top:2px solid var(--ink)}
  .tips li{padding:18px 0;border-bottom:1px solid var(--rule)}
  .links-list{margin:0;padding:0;list-style:none;border-top:2px solid var(--ink)}
  .links-list li{display:grid;grid-template-columns:300px 1fr;gap:32px;padding:20px 0;border-bottom:1px solid var(--rule)}
  .links-list li a{font-weight:700}
  .links-list li span{color:var(--ink-2)}
  @media (max-width:640px){.links-list li{grid-template-columns:1fr;gap:6px}}
  .email-big{display:inline-block;font-size:clamp(28px,5vw,64px);font-weight:900;letter-spacing:-.04em;text-decoration:none;border-bottom:4px solid var(--ink);line-height:1.1}
  .email-big:hover{border-color:var(--red)}
  .figures.three{grid-template-columns:repeat(3,1fr)}
  @media (max-width:900px){.figures.three{grid-template-columns:1fr}.figures.three .fig{border-right:0;padding-left:0}.figures.three .fig + .fig{border-top:1px solid var(--rule)}}
  .status{display:inline-block;margin:0 0 14px;font-size:14px;font-weight:800;letter-spacing:.02em;color:var(--red)}
  .status::before{content:"";display:inline-block;width:10px;height:10px;background:var(--red);margin-right:8px}
  .project .lead{font-size:21px;line-height:1.45;max-width:680px;margin-bottom:28px}
  .tips a{font-weight:700}

  /* accessibility */
  a:focus-visible{outline:3px solid var(--red);outline-offset:3px}

  /* ---- research-based refinements ---- */
  :root{--mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;--paper-2:#e9e5dc}
  .block.tone{background:var(--paper-2)}
  .label{font-family:var(--mono);font-weight:500;font-size:13px;letter-spacing:.04em;text-transform:uppercase}
  .label::before{width:10px;height:10px;background:var(--red)}
  .statement{font-size:clamp(24px,2.6vw,32px);line-height:1.38;font-weight:500;letter-spacing:-.01em;max-width:44ch;margin:0}
  .statement strong{font-weight:800}
  .head-row{display:grid;grid-template-columns:1fr minmax(0,460px);gap:24px 64px;align-items:end;margin-bottom:48px}
  .head-row h2{font-size:clamp(32px,3.6vw,48px);line-height:1.05;text-wrap:balance;max-width:20ch}
  .head-row p{margin:0;color:var(--ink-2)}
  @media (max-width:860px){.head-row{grid-template-columns:1fr}}
  .quad{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
  .quad > div{border-top:3px solid var(--ink);padding:22px 0 44px}
  .quad h3{font-size:26px;letter-spacing:-.015em;margin-bottom:12px}
  .quad p{color:var(--ink-2);max-width:46ch}
  .quad .go{font-size:16px}
  @media (max-width:760px){.quad{grid-template-columns:1fr}}
  .fig .src,.notes{font-family:var(--mono);font-size:12px;color:var(--ink-2)}
  .fig .src{display:block;margin-top:14px;padding-top:10px;border-top:1px solid var(--rule)}
  .fig .src a{color:inherit}
  .more{margin:44px 0 0}
  ol.two{margin:0;padding:0;list-style:none;counter-reset:s;columns:2;column-gap:56px}
  ol.two li{break-inside:avoid;padding:18px 0;border-top:1px solid var(--rule)}
  
  @media (max-width:760px){ol.two{columns:1}}
  .rows.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;border-top:0}
  .rows.grid2 .row{grid-template-columns:1fr;gap:10px;border-top:3px solid var(--ink);border-bottom:0;padding:20px 0 34px}
  @media (max-width:760px){.rows.grid2{grid-template-columns:1fr}}
  .channels{display:grid;grid-template-columns:repeat(5,auto);justify-content:start;gap:12px 48px;margin:36px 0 0;padding-top:24px;border-top:1px solid #33363b}
  .channels dt{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:#8c9097;margin-bottom:4px}
  .channels dd{margin:0;font-weight:700}
  .channels a{text-decoration:none;border-bottom:2px solid #fff}
  .channels a:hover{border-color:var(--red)}
  @media (max-width:900px){.channels{grid-template-columns:repeat(2,auto)}}
  @media (max-width:420px){.channels{grid-template-columns:1fr}}

  .src-line{font-family:var(--mono);font-size:12px;color:var(--ink-2);margin:20px 0 0}
  .src-line em{font-style:normal}

  .signs ol.two{border-top:2px solid var(--ink)}
  .signs ol.two li{counter-increment:s;display:grid;grid-template-columns:48px 1fr;border-bottom:0}
  .signs ol.two li::before{content:counter(s);font-weight:900;font-size:26px;line-height:1;color:var(--red)}