:root {
  --ink: #17201d;
  --muted: #59635f;
  --paper: #f5f7f3;
  --white: #ffffff;
  --green: #17634f;
  --coral: #d7634f;
  --yellow: #f4c95d;
  --line: #d6ddd8;
  --soft: #e7f1ec;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: var(--green); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
.skip-link { position: fixed; top: -80px; left: 12px; z-index: 30; padding: 10px 14px; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 max(18px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-size: 1.08rem; font-weight: 850; text-decoration: none; text-transform: uppercase; }
nav { display: flex; gap: 18px; overflow-x: auto; }
nav a { white-space: nowrap; text-decoration: none; font-size: .88rem; }
.first-screen { max-width: var(--max); margin: 0 auto; padding: 24px 18px 36px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 32px; align-items: start; }
.hero-figure { margin: 0; position: sticky; top: 84px; }
.hero-figure img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 6px; }
.hero-figure figcaption { padding-top: 6px; color: var(--muted); font-size: .78rem; }
.hero-copy { padding-top: 4px; }
.eyebrow { color: var(--green); font-size: .76rem; font-weight: 850; text-transform: uppercase; }
.hero-copy h1 { margin: .2em 0; font: 800 clamp(2.35rem, 4.2vw, 4.25rem) / 1.02 Georgia, serif; }
.lede { font-size: 1.08rem; }
.hero-copy [data-guide-evidence] { padding-left: 14px; border-left: 3px solid var(--coral); color: var(--muted); font-size: .9rem; }
.bottom-line { padding: 14px; border: 1px solid #bfd6ca; background: var(--soft); }
.start-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 14px 0; }
.start-grid a { padding: 10px; border: 1px solid var(--line); background: var(--white); text-decoration: none; }
.start-grid span, .start-grid strong { display: block; }
.start-grid span { color: var(--muted); font-size: .7rem; text-transform: uppercase; }
.warning { padding: 12px; border-left: 4px solid var(--coral); background: #fff1d5; }
.button { display: inline-block; padding: 11px 16px; background: var(--green); color: var(--white); font-weight: 800; text-decoration: none; }
.layout { max-width: var(--max); margin: 0 auto; padding: 0 18px 70px; display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 38px; }
.toc { min-width: 0; position: sticky; top: 84px; align-self: start; display: flex; flex-direction: column; gap: 8px; padding-left: 14px; border-left: 2px solid var(--line); font-size: .86rem; }
.toc a { text-decoration: none; }
.content { min-width: 0; max-width: 850px; }
.content section { padding: 36px 0; border-top: 1px solid var(--line); }
h2 { margin: 0 0 14px; font: 800 2rem / 1.15 Georgia, serif; }
h3 { font: 800 1.32rem / 1.2 Georgia, serif; }
.definitions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.definitions details { padding: 12px; border: 1px solid var(--line); background: var(--white); }
.definitions summary { font-weight: 800; cursor: pointer; }
.definitions p { margin: 8px 0; font-size: .9rem; }
.recommendation { margin: 18px 0; padding: 22px; border-top: 4px solid var(--green); background: var(--white); }
.recommendation:nth-of-type(even) { border-top-color: var(--coral); }
.recommendation p { margin: .55em 0; }
.lane { color: var(--green); font-size: .74rem; font-weight: 850; text-transform: uppercase; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: .88rem; }
caption { padding: 12px; background: var(--soft); text-align: left; font-weight: 800; }
th, td { padding: 11px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: #263e35; color: var(--white); }
.utility { margin: 18px -20px; padding: 28px 20px !important; border: 0 !important; background: var(--green); color: var(--white); }
.appointment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.appointment-grid > div { padding: 18px; background: var(--white); color: var(--ink); }
.static-fallback { padding-top: 14px; border-top: 1px solid rgba(255,255,255,.4); }
.handoff { padding: 24px !important; border: 1px solid var(--line) !important; background: var(--white); }
.checklist { columns: 2; gap: 34px; }
.checklist li { break-inside: avoid; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px dotted var(--line); }
.details-wrap table { min-width: 980px; }
.sources { columns: 2; }
.sources li { break-inside: avoid; margin-bottom: 8px; }
footer { padding: 28px max(18px, calc((100vw - var(--max)) / 2)); background: var(--ink); color: #dce7e1; font-size: .85rem; }
@media (max-width: 800px) {
  .site-header { min-height: 54px; }
  .first-screen { grid-template-columns: 1fr; padding-top: 14px; }
  .hero-figure { position: static; }
  .hero-figure img { aspect-ratio: 16 / 10; }
  .hero-copy h1 { font-size: 2.35rem; }
  .layout { grid-template-columns: 1fr; }
  .toc { position: static; display: grid; grid-template-columns: 1fr 1fr; padding: 14px 0; border-top: 1px solid var(--line); border-left: 0; }
  .definitions, .appointment-grid { grid-template-columns: 1fr; }
  .checklist, .sources { columns: 1; }
  .utility { margin: 18px 0; }
}
@media (max-width: 430px) {
  .site-header { min-height: 0; flex-wrap: wrap; gap: 2px 10px; padding: 6px 12px; }
  .site-header .brand { width: 100%; line-height: 1.2; }
  .site-header nav { width: 100%; justify-content: space-between; gap: 8px; }
  .first-screen, .layout { padding-left: 12px; padding-right: 12px; }
  .hero-copy h1 { font-size: 2.02rem; }
  .start-grid { grid-template-columns: 1fr; }
  .lede { font-size: 1rem; }
  .content section { padding: 28px 0; }
  h2 { font-size: 1.62rem; }
  .details-wrap { overflow: visible; border: 0; }
  .details-wrap table, .details-wrap thead, .details-wrap tbody, .details-wrap tr, .details-wrap th, .details-wrap td { display: block; min-width: 0; width: 100%; }
  .details-wrap thead { position: absolute; left: -9999px; }
  .details-wrap tr { margin-bottom: 14px; padding: 8px; border: 1px solid var(--line); background: var(--white); }
  .details-wrap th, .details-wrap td { padding: 9px 7px; border: 0; border-bottom: 1px solid var(--line); }
  .details-wrap [data-product-detail]::before { display: block; margin-bottom: 3px; color: var(--muted); font-size: .68rem; font-weight: 850; text-transform: uppercase; }
  .details-wrap [data-product-detail="product"]::before { content: "Product"; }
  .details-wrap [data-product-detail="size-weight"]::before { content: "Size and weight"; }
  .details-wrap [data-product-detail="materials"]::before { content: "Materials"; }
  .details-wrap [data-product-detail="manufacturing-origin"]::before { content: "Manufacturing origin"; }
  .details-wrap [data-product-detail="brand"]::before { content: "Brand background"; }
  .details-wrap [data-product-detail="warranty"]::before { content: "Warranty and support"; }
}