:root {
  color-scheme: dark;
  --paper: #0b0c0c;
  --surface: #111313;
  --ink: #f0f1ef;
  --muted: #a7ada9;
  --faint: #7d847f;
  --rule: #2a2d2b;
  --rule-strong: #3a3d3b;
  --accent: #ff695e;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; border-radius: 2px; }

.page-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--rule);
  background: rgba(11, 12, 12, .91);
  backdrop-filter: blur(14px);
}

.page-nav {
  width: min(1180px, calc(100% - 48px));
  height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 720; text-decoration: none; }
.brand img { display: block; width: 28px; height: 28px; }
.page-links { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--muted); }
.page-links a { text-decoration: none; }

main { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.article-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); gap: 72px; padding: 96px 0 72px; border-bottom: 1px solid var(--rule); }
.article-kicker { margin: 0 0 18px; color: var(--accent); font: 650 12px/1.2 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
h1 { max-width: 800px; margin: 0; font-size: clamp(48px, 7vw, 86px); font-weight: 590; line-height: .98; letter-spacing: -.039em; }
.lede { max-width: 610px; margin: 28px 0 0; color: var(--muted); font-size: 19px; line-height: 1.55; }
.article-meta { align-self: end; margin: 0; border-top: 1px solid var(--ink); }
.article-meta div { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--rule); }
.article-meta dt { color: var(--muted); font-size: 13px; }
.article-meta dd { margin: 0; font: 600 12px/1.4 var(--mono); text-align: right; }

.article-grid { display: grid; grid-template-columns: 230px minmax(0, 720px); gap: 84px; padding: 72px 0 120px; }
.article-content { min-width: 0; }
.article-index { position: sticky; top: 100px; align-self: start; }
.article-index strong { display: block; margin-bottom: 18px; font: 650 11px/1.3 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.article-index a { display: block; padding: 8px 0; color: var(--muted); font-size: 14px; text-decoration: none; }
.article-content section { scroll-margin-top: 100px; }
.article-content section + section { margin-top: 64px; padding-top: 64px; border-top: 1px solid var(--rule); }
h2 { margin: 0 0 18px; font-size: clamp(28px, 4vw, 42px); font-weight: 590; line-height: 1.05; letter-spacing: -.035em; }
h3 { margin: 30px 0 10px; font-size: 18px; line-height: 1.25; }
p, li { color: var(--muted); font-size: 16px; line-height: 1.72; }
p + p { margin-top: 20px; }
ul, ol { margin: 18px 0 0; padding-left: 22px; }
li + li { margin-top: 9px; }
strong { color: var(--ink); }
code { font-family: var(--mono); font-size: .9em; }

.summary { margin: 28px 0 0; padding: 22px 0; border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule); color: var(--ink); font-size: 16px; line-height: 1.65; }
.evidence-list { margin-top: 24px; border-top: 1px solid var(--ink); }
.evidence-list div { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.evidence-list dt { font: 600 12px/1.5 var(--mono); }
.evidence-list dd { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.code-block { max-width: 100%; margin: 24px 0 0; padding: 22px; overflow-x: auto; border: 1px solid var(--rule); background: #0e100f; color: #c9ceca; border-radius: 3px; font: 13px/1.7 var(--mono); }
.note { margin-top: 24px; padding: 18px 20px; border: 1px solid var(--rule); background: var(--surface); }

.offer-hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 64px; padding: 72px 0 64px; border-bottom: 1px solid var(--rule); }
.offer-hero h1 { font-size: clamp(44px, 6vw, 76px); }
.offer-hero .lede { max-width: 700px; }
.offer-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.offer-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--ink); border-radius: 3px; background: var(--ink); color: var(--paper); font-weight: 700; text-decoration: none; }
.offer-button:hover { border-color: var(--accent); background: var(--accent); color: var(--paper); }
.offer-button.secondary { background: transparent; color: var(--ink); }
.offer-card { align-self: start; padding: 26px; border: 1px solid var(--rule-strong); border-radius: 7px; background: var(--surface); }
.offer-price { margin: 0; color: var(--ink); font: 650 34px/1 var(--mono); }
.offer-price span { color: var(--muted); font: 500 12px/1.4 var(--mono); }
.offer-facts { margin: 24px 0 0; border-top: 1px solid var(--ink); }
.offer-facts div { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--rule); }
.offer-facts dt { color: var(--muted); font-size: 13px; }
.offer-facts dd { margin: 0; color: var(--ink); font: 600 12px/1.4 var(--mono); text-align: right; }
.offer-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .7fr); gap: 72px; padding: 64px 0 112px; }
.offer-copy section + section { margin-top: 54px; padding-top: 54px; border-top: 1px solid var(--rule); }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 24px; }
.fit-card { padding: 20px; border: 1px solid var(--rule); background: var(--surface); }
.fit-card h3 { margin-top: 0; }
.enquiry-panel { position: sticky; top: 92px; align-self: start; padding: 26px; border: 1px solid var(--rule-strong); border-radius: 7px; background: var(--surface); }
.enquiry-panel h2 { font-size: 30px; }
.enquiry-form { display: grid; gap: 17px; margin-top: 24px; }
.enquiry-form label { color: var(--ink); font-size: 13px; font-weight: 650; }
.enquiry-form label span { display: block; margin-top: 5px; color: var(--faint); font-size: 12px; font-weight: 400; line-height: 1.5; }
.enquiry-form input, .enquiry-form textarea { width: 100%; margin-top: 8px; padding: 12px 13px; border: 1px solid var(--rule-strong); border-radius: 3px; background: var(--paper); color: var(--ink); font: inherit; }
.enquiry-form textarea { min-height: 124px; resize: vertical; }
.enquiry-form input:focus, .enquiry-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.enquiry-form .offer-button { width: 100%; cursor: pointer; }
.form-note { margin: 16px 0 0; color: var(--faint); font-size: 12px; line-height: 1.55; }
.sample-banner { margin: 24px 0; padding: 18px 20px; border: 1px solid var(--accent); color: var(--ink); }
.anchor-alias { position: absolute; width: 1px; height: 1px; overflow: hidden; }

.page-footer { border-top: 1px solid var(--rule); }
.page-footer-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 28px 0 42px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 13px; }
.page-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }

.table-wrap { overflow-x: auto; margin: 24px 0; border: 1px solid var(--rule); border-radius: 6px; }
.table-wrap table { width: 100%; border-collapse: collapse; color: var(--muted); font-size: 13px; }
.table-wrap th, .table-wrap td { padding: 14px 16px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); text-align: left; }
.table-wrap th { color: var(--ink); font-weight: 620; }
.table-wrap tr:last-child th, .table-wrap tr:last-child td { border-bottom: 0; }
.table-wrap th:last-child, .table-wrap td:last-child { border-right: 0; }

.fixture-content { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; padding: 0 0 120px; }
.fixture-message, .fixture-instructions { border: 1px solid var(--rule); border-radius: 7px; background: var(--surface); }
.fixture-message { padding: 30px; }
.fixture-message header { display: flex; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--rule); color: var(--faint); font-size: 11px; }
.fixture-message h2 { margin: 28px 0 22px; color: var(--ink); font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -.03em; }
.fixture-message p { max-width: 660px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.fixture-instructions { align-self: start; padding: 22px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.fixture-instructions strong { color: var(--ink); }
.fixture-instructions ol { padding-left: 18px; }

@media (max-width: 800px) {
  .page-nav, main, .page-footer-inner { width: min(100% - 32px, 680px); }
  .page-links a:not(:last-child) { display: none; }
  .article-hero { grid-template-columns: 1fr; gap: 48px; padding: 72px 0 54px; }
  h1 { font-size: clamp(46px, 14vw, 72px); }
  .article-grid { grid-template-columns: 1fr; gap: 48px; padding: 54px 0 88px; }
  .article-index { position: static; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 16px; border-bottom: 1px solid var(--rule); padding-bottom: 24px; }
  .article-index strong { grid-column: 1 / -1; }
  .evidence-list div { grid-template-columns: 1fr; gap: 6px; }
  .page-footer-inner { flex-direction: column; }
  .fixture-content { grid-template-columns: 1fr; }
  .offer-hero, .offer-grid { grid-template-columns: 1fr; gap: 42px; }
  .offer-hero { padding: 56px 0 48px; }
  .enquiry-panel { position: static; }
  .fit-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@supports not (backdrop-filter: blur(18px)) {
  .page-header { background: var(--paper); }
}