:root {
  color-scheme: light;
  --ink: #172f3c;
  --muted: #52616a;
  --accent: #172f3c;
  --accent-hover: #264655;
  --surface: #f3f5f5;
  --paper: #fff;
  --line: #d8dfe2;
  --focus: #285b77;
  --shell: 71.25rem;
  font-family: "Instrument Sans", Inter, "Segoe UI", Roboto, Arial, sans-serif;
  font-synthesis: none;
  line-height: 1.6;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
main { min-width: 0; }
p, ul, ol, dl, figure { margin: 0; }
p + p { margin-top: 1em; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
}

h1 { font-size: clamp(2.35rem, 5.2vw, 4.4rem); letter-spacing: -.044em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.55rem); letter-spacing: -.03em; }
h3 { font-size: clamp(1.16rem, 2vw, 1.4rem); letter-spacing: -.012em; }
h1 + p, h2 + p, h3 + p { margin-top: .75em; }

.shell { width: min(var(--shell), calc(100% - 2 * clamp(1rem, 4vw, 3rem))); margin-inline: auto; }

.skip-link { position: absolute; z-index: 5; top: .75rem; left: .75rem; padding: .65rem 1rem; transform: translateY(-200%); background: var(--paper); }
.skip-link:focus { transform: none; }

.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.2rem 2.5rem; min-height: 5.5rem; }
.header-brand { display: grid; justify-items: start; gap: .12rem; flex: none; color: var(--ink); text-decoration: none; }
.header-brand img { width: 4.25rem; height: auto; }
.header-brand span { font-size: .62rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.brand { display: inline-flex; flex: none; align-items: center; gap: .6rem; color: var(--accent); font-size: 1.45rem; font-weight: 800; text-decoration: none; }
.brand img { width: 2rem; height: 2rem; object-fit: contain; }
.site-nav, .site-nav ul { display: flex; flex-wrap: wrap; align-items: center; gap: .2rem 1.35rem; }
.site-nav ul { padding: 0; list-style: none; }
.site-nav a { display: inline-block; padding-block: .65rem; color: var(--ink); font-size: .94rem; font-weight: 600; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); text-decoration: underline; }
.header-quote { flex: none; padding: .45rem .7rem; border: 1px solid var(--line); border-radius: .3rem; font-size: .9rem; font-weight: 700; text-decoration: none; }
.header-quote:hover { border-color: var(--accent); background: var(--surface); }
.mobile-nav { display: none; }

.hero { padding-block: clamp(2.1rem, 5.7vw, 5.2rem); background: var(--surface); border-bottom: 1px solid var(--line); }
.hero-grid, .split, .spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: clamp(1.6rem, 5vw, 4.3rem); }
.hero-grid { grid-template-columns: minmax(0, .93fr) minmax(0, 1.07fr); }
.hero-copy > p { max-width: 38ch; color: var(--muted); font-size: clamp(1rem, 1.9vw, 1.2rem); }
.hero-figure { min-width: 0; }
.hero-image, .hero-figure > img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: #e4ebe4; border-radius: .3rem; }
figcaption { margin-top: .55rem; color: var(--muted); font-size: .85rem; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-top: 1.45rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: .62rem 1.05rem;
  border: 1px solid var(--accent);
  border-radius: .3rem;
  background: var(--accent);
  color: #fff;
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
}
.button:hover { border-color: var(--accent-hover); background: var(--accent-hover); color: #fff; }
.button-secondary { background: transparent; color: var(--accent); }
.button-secondary:hover { border-color: var(--accent); background: var(--surface); color: var(--accent-hover); }

.section { padding-block: clamp(2.6rem, 6vw, 5.1rem); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 44rem; margin-bottom: clamp(1.1rem, 2.7vw, 1.8rem); }
.section-head p, .page-intro p, .spec-copy > p { max-width: 64ch; color: var(--muted); }
.split { align-items: start; }
.callout { padding: clamp(1rem, 3vw, 1.65rem); border-left: 3px solid var(--accent); background: var(--surface); }
.callout p { max-width: 64ch; }
.fact-list { margin-block: 1rem; }
ul.fact-list, ol.fact-list { padding-inline-start: 1.2rem; }
.fact-list li + li { margin-top: .35rem; }
dl.fact-list { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: .5rem 1rem; }
.fact-list dt { font-weight: 700; }
.fact-list dd { margin: 0; }

.media-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.1rem; }
.media-card { min-width: 0; padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
.media-card img { width: 100%; aspect-ratio: 4 / 3; margin-bottom: .8rem; border-radius: .3rem; object-fit: cover; }
.media-card p { color: var(--muted); }

.site-footer { padding-block: clamp(2rem, 5vw, 3.7rem); border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1.2rem 2.5rem; }
.site-footer strong, .site-footer h2, .site-footer h3 { color: var(--ink); }
.site-footer h2, .site-footer h3 { margin-bottom: .55rem; font-size: 1.05rem; }
.site-footer a { overflow-wrap: anywhere; }
.site-footer .footer-grid > div:not(:first-child) > a { display: block; width: fit-content; }
.site-footer ul { padding: 0; list-style: none; }
.site-footer address { font-style: normal; }

.breadcrumbs, .breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem .7rem; padding: 0; list-style: none; }
.breadcrumbs { margin-block: 1.3rem 0; color: var(--muted); font-size: .875rem; }
.breadcrumbs li + li::before { content: "/"; margin-inline-end: .7rem; color: var(--muted); }
.page-intro { padding-block: clamp(1.65rem, 4.5vw, 3.8rem) clamp(1.35rem, 3vw, 2.45rem); }
.page-intro h1, .spec-grid h1 { font-size: clamp(2.05rem, 4.6vw, 3.45rem); }

.catalog-controls { margin-bottom: 1.5rem; padding: clamp(1rem, 2.9vw, 1.5rem); border: 1px solid var(--line); border-radius: .3rem; background: var(--surface); }
.filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(9.5rem, 100%), 1fr)); align-items: end; gap: .9rem; }
.field { display: grid; gap: .35rem; min-width: 0; }
.field label, label.field { font-size: .92rem; font-weight: 650; }
.field :is(input, select, textarea), .quote-form :is(input:not([type="checkbox"]):not([type="hidden"]), select, textarea) {
  width: 100%;
  min-height: 2.75rem;
  padding: .5rem .65rem;
  border: 1px solid #a4b4aa;
  border-radius: .25rem;
  background: var(--paper);
  color: var(--ink);
}
.field textarea, .quote-form textarea { min-height: 8rem; resize: vertical; }
.field [aria-invalid="true"] { border-color: #a43b2e; }
.results-status { margin-block: 1.2rem .55rem; color: var(--muted); }

.table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: .3rem; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; text-align: left; }
caption { padding: .65rem .85rem; font-weight: 700; text-align: left; }
th, td { padding: .72rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--surface); color: var(--ink); font-size: .9rem; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr:hover { background: #f8fafb; }
.series-tag { display: inline-block; color: var(--muted); font-size: .85rem; line-height: 1.35; }

.pagination, .pagination ul { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; padding: 0; list-style: none; }
.pagination { margin-block: 1.45rem 2.5rem; }
.pagination :is(a, button, span[aria-current]) { display: inline-grid; min-width: 2.55rem; min-height: 2.55rem; place-items: center; padding: .28rem .5rem; border: 1px solid var(--line); border-radius: .25rem; background: var(--paper); color: var(--accent); text-decoration: none; }
.pagination :is(a, button):hover, .pagination [aria-current="page"] { border-color: var(--accent); background: var(--accent); color: #fff; }

.spec-grid { align-items: start; padding-block: clamp(1.8rem, 4.5vw, 3.8rem); }
.spec-copy { min-width: 0; }
.spec-copy dl { font-variant-numeric: tabular-nums; }
.spec-photo { min-width: 0; margin: 0; }
.spec-photo img, img.spec-photo { width: 100%; max-height: 32rem; object-fit: contain; background: var(--surface); border-radius: .3rem; }
.article { max-width: 73ch; padding-bottom: clamp(2rem, 5vw, 4rem); }
.article > :is(h2, h3):not(:first-child) { margin-top: 1.45em; }
.article :is(ol, ul) { margin-block: .7em; padding-inline-start: 1.3em; }
.article li + li { margin-top: .32rem; }
.quote-form { display: grid; gap: .9rem; max-width: 42rem; margin-block: 1.25rem; }
.quote-form fieldset { min-width: 0; margin: 0; padding: 1rem; border: 1px solid var(--line); }
.quote-form legend { padding-inline: .35rem; font-weight: 700; }
.quote-form > .button { justify-self: start; }

@media (max-width: 53rem) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: .2rem; padding-block: .65rem; }
  .header-inner:has(.mobile-nav) { position: relative; flex-direction: row; align-items: center; min-height: 4.35rem; }
  .header-brand img { width: 3.45rem; }
  .header-brand span { font-size: .53rem; }
  .header-inner:has(.mobile-nav) > .site-nav { display: none; }
  .header-quote { display: none; }
  .site-nav, .site-nav ul { gap: .12rem 1rem; }
  .site-nav a { padding-block: .33rem; }
  .mobile-nav { display: block; }
  .mobile-nav summary {
    min-height: 2.75rem;
    padding: .55rem .65rem;
    border: 1px solid var(--line);
    border-radius: .25rem;
    color: var(--accent);
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
  }
  .mobile-nav .site-nav {
    position: absolute;
    z-index: 2;
    inset: 100% 0 auto;
    display: none;
    padding: .35rem 1rem;
    border: 1px solid var(--line);
    border-radius: 0 0 .3rem .3rem;
    background: var(--paper);
  }
  .mobile-nav[open] .site-nav { display: block; }
  .mobile-nav .site-nav ul { display: block; }
  .mobile-nav .site-nav a { display: block; padding-block: .57rem; }
  .hero-grid, .split, .spec-grid { gap: 1.55rem; }
  .media-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 39rem) {
  .hero-grid, .split, .spec-grid, .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-image, .hero-figure > img { aspect-ratio: 16 / 10; }
  .site-nav a { font-size: .88rem; }
  .media-grid { grid-template-columns: minmax(0, 1fr); }
  .table-wrap th, .table-wrap td { padding: .55rem .65rem; }
}