:root{
  color-scheme:light;
  --ink:#131817;
  --muted:#596360;
  --paper:#f5f7f2;
  --panel:#ffffff;
  --line:#d8ded6;
  --blue:#2146ff;
  --green:#2f7d32;
  --lime:#d9fb58;
  --orange:#c5572b;
  --graphite:#26302f;
  --soft:#eef6f3;
  --shadow:0 18px 40px rgba(19,24,23,.1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--paper);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  line-height:1.55;
}
a{color:inherit}
.wrap{width:calc(100% - 32px);max-width:1160px;margin:0 auto}
.top{position:sticky;top:0;z-index:30;background:rgba(245,247,242,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:920}
.mark{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:var(--ink);color:var(--lime);font-weight:950}
.navlinks{display:flex;align-items:center;gap:16px}
.navlinks a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:760}
.nav-action,.button,button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  font:inherit;
  font-weight:850;
  text-align:center;
  text-decoration:none;
  cursor:pointer;
  white-space:normal;
}
.nav-action{background:var(--ink);border-color:var(--ink);color:#fff;min-height:38px}
.button.primary,button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.button.dark,button.dark{background:var(--graphite);border-color:var(--graphite);color:#fff}
.hero{padding:44px 0 26px;background:linear-gradient(180deg,#fbfcf8 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,.84fr) minmax(420px,.98fr);gap:30px;align-items:center}
.hero-copy{padding:18px 0}
.eyebrow{margin:0 0 9px;color:var(--orange);font-size:12px;font-weight:950;letter-spacing:0;text-transform:uppercase}
h1{margin:0 0 14px;font-family:Georgia,"Times New Roman",serif;font-size:58px;line-height:.98;font-weight:900;letter-spacing:0;overflow-wrap:break-word}
h2{margin:0 0 12px;font-size:30px;line-height:1.13;letter-spacing:0}
h3{margin:0 0 8px;font-size:18px}
.lead{font-size:18px;color:#33413d;margin:0 0 20px;max-width:720px}
.section-intro{max-width:780px;margin:0 0 18px;color:var(--muted);font-size:16px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions.right{justify-content:flex-end}
.hero-ledger{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}
.hero-ledger span,.mini-cards article,.rail-grid article,.checklist-grid article,.timeline article,.question-grid article{
  display:block;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(255,255,255,.82);
  padding:12px;
  color:var(--muted);
  font-size:13px;
  font-weight:780;
}
.hero-visual{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.hero-visual img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-visual figcaption{padding:10px 12px;color:var(--muted);font-size:13px}
.section{padding:42px 0;border-top:1px solid var(--line)}
.section.white{background:#fff}
.answer-section{padding-top:36px}
.answer-grid{display:grid;grid-template-columns:minmax(300px,.64fr) 1fr;gap:24px;align-items:start}
.definition-panel p:not(.eyebrow){color:var(--muted);font-size:16px;margin:0 0 12px}
.contrast-table table{min-width:660px}
.bench-band{padding:22px 0 32px}
.rail-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.rail-grid article{position:relative;padding-top:18px}
.rail-grid article::before{content:"";position:absolute;top:0;left:12px;right:12px;height:5px;border-radius:8px;background:var(--lime)}
.rail-grid strong,.mini-cards strong,.checklist-grid strong,.timeline strong{
  display:block;
  color:var(--ink);
  font-size:16px;
  margin-bottom:5px;
}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.82fr);gap:28px;align-items:start}
.toolbox{border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow);padding:20px}
.control-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}
.toolbox label{display:grid;gap:6px;color:var(--graphite);font-size:13px;font-weight:850}
.toolbox select{width:100%;min-height:42px;border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:#fff;color:var(--ink);font:inherit}
.fit-output{display:block;min-height:160px;margin-top:14px;border:1px solid #cfd8d1;border-radius:8px;background:#f6f9f8;color:#1f2b28;padding:12px;white-space:pre-wrap;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;overflow:auto}
.copy-stack p:not(.eyebrow){color:var(--muted);font-size:16px}
.mini-cards{display:grid;grid-template-columns:1fr;gap:10px;margin-top:16px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
table{width:100%;border-collapse:collapse}
th,td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
th{background:#eef2ed;color:#283431;font-weight:900}
td span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.matrix{display:grid;grid-template-columns:minmax(300px,.55fr) 1fr;gap:20px;align-items:center}
.keyword-cloud{display:flex;flex-wrap:wrap;gap:8px}
.pill{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;border:1px solid #cfd9cf;background:#fff;padding:0 10px;color:#283431;font-size:13px;font-weight:820}
.question-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:16px}
.question-grid h3{color:var(--ink);font-size:16px}
.question-grid p{margin:0;color:var(--muted)}
.closing{background:#eaf0ea}
.subpage .page-hero{padding:48px 0 38px;background:#fbfcf8;border-bottom:1px solid var(--line)}
.page-hero.compact{padding:38px 0 30px}
.checklist-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.timeline article{border-left:5px solid var(--blue)}
.footer{background:#121817;color:#dbe5df;padding:30px 0}
.footer p{margin:6px 0 0;color:#aeb8b3}
.footer-grid{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a{color:#f4f7f2;text-decoration:none;font-weight:760}
code{background:#eef2f7;border-radius:4px;padding:2px 5px;font-family:Consolas,"SFMono-Regular",monospace;font-size:.92em}
a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
@media(max-width:940px){
  .wrap{width:100%;max-width:none;padding-left:16px;padding-right:16px}
  .nav{height:62px}
  .brand{min-width:0}
  .brand span:last-child{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .navlinks{display:none}
  .hero-grid,.split,.matrix,.answer-grid,.rail-grid,.checklist-grid,.timeline,.question-grid{grid-template-columns:minmax(0,1fr);width:100%;min-width:0}
  .hero{padding-top:20px}
  .hero-copy,.hero-visual,.toolbox,.copy-stack,.definition-panel{min-width:0;max-width:100%}
  .hero-visual{order:-1;width:100%}
  .hero-visual img{max-height:250px}
  .hero-visual figcaption,.lead,.section-intro{overflow-wrap:anywhere}
  h1{font-size:28px;line-height:1.09;overflow-wrap:anywhere;word-break:break-word}
  h2{font-size:24px}
  .lead{font-size:16px}
  .actions{display:grid;grid-template-columns:1fr;width:100%}
  .actions .button{width:100%;min-height:44px;max-width:100%}
  .hero-ledger,.control-grid{grid-template-columns:1fr}
  .actions.right{justify-content:flex-start}
  .footer-grid{display:grid}
  .nav-action{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}