:root {
  --ink: #17201e; --paper: #f8f7f2; --green: #184d43; --red: #b53f32;
  --gold: #e6b64f; --blue: #dbeaf0; --line: #c9d0ca; --muted: #5c6965;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.62 Georgia, serif; letter-spacing: 0; }
a { color: var(--green); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 10px; background: #fff; padding: 8px; z-index: 9; }
.site-head { min-height: 56px; display: flex; align-items: center; justify-content: space-between; padding: 10px max(22px, calc((100vw - 1180px)/2)); background: #fff; border-bottom: 1px solid var(--line); font-family: Arial, sans-serif; }
.brand { font: 700 25px Georgia, serif; text-decoration: none; color: var(--ink); }
.site-head span { color: var(--muted); font-size: 14px; }
.rail { position: sticky; top: 0; z-index: 5; display: flex; gap: 22px; overflow: auto; padding: 10px max(22px, calc((100vw - 1180px)/2)); background: var(--ink); font: 700 13px Arial, sans-serif; white-space: nowrap; }
.rail a { color: #fff; text-decoration: none; }
main { max-width: 1180px; margin: auto; padding: 24px 22px 80px; }
section { padding: 46px 0; border-bottom: 1px solid var(--line); }
.opening { display: grid; grid-template-columns: minmax(0,1.02fr) minmax(430px,.98fr); gap: 36px; align-items: center; padding-top: 18px; }
.opening figure { margin: 0; }
.opening img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 4px; }
.opening figcaption { font: 12px Arial, sans-serif; color: var(--muted); margin-top: 6px; }
.kicker, .section-tag { margin: 0 0 8px; color: var(--red); font: 700 12px Arial, sans-serif; text-transform: uppercase; }
.opening h1 { font-size: clamp(38px,5vw,66px); line-height: 1.02; margin: 0 0 12px; letter-spacing: 0; }
.dek { font-size: 22px; line-height: 1.3; margin: 0 0 12px; }
.boundary { font-size: 14px; line-height: 1.45; color: #41504c; }
.fast-path { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 18px; border-left: 4px solid var(--gold); padding: 8px 14px; margin: 14px 0; }
.fast-path p { margin: 0; font-size: 14px; }
.primary { display: inline-block; background: var(--green); color: #fff; padding: 10px 14px; text-decoration: none; font: 700 14px Arial, sans-serif; border-radius: 4px; }
h2 { font-size: 34px; line-height: 1.15; margin: 0 0 18px; }
h3 { font-size: 23px; line-height: 1.25; margin: 6px 0 10px; }
.path-grid, .definitions { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.path-grid > div, details, .pick, .reader-tool { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 20px; }
.path-grid p, .pick p { margin: 8px 0; }
.definitions { grid-template-columns: repeat(2,1fr); }
details summary { cursor: pointer; font: 700 18px Arial, sans-serif; }
details p { margin: 8px 0; font-size: 15px; }
.table-wrap, .details-wrap { overflow: auto; border: 1px solid var(--line); background: #fff; }
table { border-collapse: collapse; width: 100%; min-width: 780px; }
caption { text-align: left; padding: 12px; font: 700 13px Arial, sans-serif; color: var(--muted); }
th, td { text-align: left; vertical-align: top; padding: 12px; border-top: 1px solid var(--line); }
thead th { background: #edf1ee; font: 700 13px Arial, sans-serif; }
.pick { margin: 14px 0; padding: 24px; border-left: 6px solid var(--green); }
.pick.featured { border-left-color: var(--red); }
.pick span { font: 700 13px Arial, sans-serif; color: var(--green); }
.reader-tool { margin: 28px 0; border-left: 6px solid var(--red); }
.reader-tool.blue { background: var(--blue); border-color: #397387; }
.reader-tool.yellow { background: #fff4cc; border-color: var(--gold); }
.checks { columns: 2; column-gap: 34px; }
.checks li { break-inside: avoid; margin: 0 0 12px; }
.sources { columns: 2; column-gap: 32px; }
.sources li { break-inside: avoid; margin: 0 0 9px; }
.source-note { font-size: 14px; color: var(--muted); }
footer { background: var(--ink); color: #fff; padding: 28px; text-align: center; font: 13px Arial, sans-serif; }
@media (max-width: 800px) {
  body { font-size: 16px; }
  .site-head span { display: none; }
  .opening { grid-template-columns: 1fr; gap: 14px; padding-top: 10px; }
  .opening-copy { display: contents; }
  .opening figure { order: -1; }
  .opening figure img { height: 220px; aspect-ratio: auto; object-position: center 52%; }
  .opening h1 { font-size: 39px; }
  .dek { font-size: 19px; }
  .boundary { font-size: 13px; }
  .fast-path { grid-template-columns: 1fr; }
  .path-grid, .definitions { grid-template-columns: 1fr; }
  h2 { font-size: 29px; }
  .checks, .sources { columns: 1; }
  .rail { gap: 18px; }
  section { padding: 34px 0; }
  main { padding-left: 16px; padding-right: 16px; }
  .details-wrap table { min-width: 0; }
  .details-wrap caption { display: block; width: 100%; }
  .details-wrap thead { display: none; }
  .details-wrap table, .details-wrap tbody, .details-wrap tr, .details-wrap th, .details-wrap td { display: block; width: 100%; }
  .details-wrap tr { border-top: 7px solid var(--paper); padding: 8px; }
  .details-wrap th, .details-wrap td { border: 0; padding: 8px 8px 8px 42%; position: relative; min-height: 42px; overflow-wrap: anywhere; }
  .details-wrap [data-product-detail]::before { position: absolute; left: 8px; top: 8px; width: 31%; font: 700 11px/1.25 Arial, sans-serif; color: var(--muted); text-transform: uppercase; }
  .details-wrap [data-product-detail=product]::before { content: "Product"; }
  .details-wrap [data-product-detail=size-weight]::before { content: "Size / weight"; }
  .details-wrap [data-product-detail=materials]::before { content: "Construction"; }
  .details-wrap [data-product-detail=manufacturing-origin]::before { content: "Manufacturing origin"; }
  .details-wrap [data-product-detail=brand]::before { content: "Brand"; }
  .details-wrap [data-product-detail=warranty]::before { content: "Warranty / support"; }
}