:root {
  color-scheme: light;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #202320;
  background: #fff;
  --ink: #202320;
  --muted: #626762;
  --line: #dedfde;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; font-size: 1rem; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid #28633a; outline-offset: 6px; }
::selection { background: #d6eddb; color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, dl { margin: 0; }
.page { width: min(1120px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: absolute; top: 8px; left: 16px; padding: 8px 16px; background: #fff; z-index: 10; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.header { min-height: 108px; display: flex; align-items: center; border-bottom: 1px solid var(--line); gap: 32px; }
.wordmark { font-size: 1.9rem; font-weight: 750; letter-spacing: -.075em; line-height: 1; text-decoration: none; }
.wordmark-period { color: #377645; }
.header-note { font-size: .875rem; color: var(--muted); margin-left: 12px; }
nav { display: flex; margin-left: auto; gap: 32px; font-size: .875rem; }
nav a { text-decoration: none; padding-block: 12px; }
nav a:hover { text-decoration: underline; }

.hero { display: grid; grid-template-columns: 41% 59%; align-items: center; padding: 72px 0 66px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { font-family: var(--mono); font-size: .75rem; letter-spacing: .035em; color: var(--muted); display: flex; gap: 18px; align-items: center; margin-bottom: 28px; }
.eyebrow span { color: var(--ink); padding-left: 18px; border-left: 1px solid var(--line); }
h1 { font-size: clamp(3.75rem, 6.3vw, 5.35rem); font-weight: 500; line-height: .99; letter-spacing: -.065em; }
h1 span { color: #777d77; }
.hero-line { font-size: 1.375rem; letter-spacing: -.025em; margin-top: 30px; }
.hero-description { color: var(--muted); font-size: 1rem; line-height: 1.65; margin-top: 12px; }
.quiet-button { display: inline-flex; min-height: 44px; align-items: center; margin-top: 27px; padding: 8px 17px; border: 1px solid #b5b9b5; border-radius: 3px; font-size: .875rem; text-decoration: none; transition: border-color .15s, background .15s; }
.quiet-button:hover { background: #f4f6f4; border-color: var(--ink); }
.hero-art { min-width: 0; align-self: center; padding: 32px 0 0 20px; }
.hero-art img { width: 100%; }
.hero-art figcaption { display: flex; justify-content: space-between; gap: 20px; font-size: .75rem; color: var(--muted); margin: 28px 0 0 28px; padding-top: 14px; border-top: 1px solid var(--line); }
.application-line { display: flex; gap: 45px; align-items: center; padding: 23px 0; border-block: 1px solid var(--line); font-size: .875rem; }
.application-line > span { color: var(--muted); width: 150px; flex-shrink: 0; }
.application-line p { display: flex; flex-wrap: wrap; gap: 25px; }
.application-line p span { color: #939893; }

.section-grid { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 45px; padding-block: 70px; border-bottom: 1px solid var(--line); }
.section-label { display: flex; align-items: baseline; gap: 12px; padding-top: 7px; }
.section-label > span { font-family: var(--mono); color: #737a73; font-size: .75rem; }
.section-label h2 { font-size: .875rem; font-weight: 500; }
.section-lead { font-size: clamp(1.8rem, 3vw, 2.35rem); font-weight: 450; letter-spacing: -.04em; line-height: 1.25; }
.section-lead span { color: #757c75; }
.system-description { margin-top: 24px; max-width: 600px; color: var(--muted); }
.components { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 35px; }
.components article { min-width: 0; }
.component-art { height: 165px; overflow: hidden; margin-bottom: 22px; position: relative; }
.component-art img { height: 165px; width: auto; max-width: none; }
.component-label { color: var(--muted); font: .75rem/1.5 var(--mono); margin-bottom: 8px; }
.components h3 { font-size: 1.125rem; font-weight: 500; letter-spacing: -.02em; margin-bottom: 9px; }
.components article > p:last-child { color: var(--muted); font-size: 1rem; line-height: 1.6; max-width: 345px; }
.technical-details { margin-top: 35px; border-top: 1px solid var(--line); }
.technical-details > div { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-bottom: 1px solid var(--line); padding: 11px 0; font-size: .875rem; }
.technical-details > div:last-child { border-bottom: 0; }
.technical-details dt { color: var(--muted); }
.technical-details dd { margin: 0; }

.resources-intro { font-size: 1.4rem; letter-spacing: -.025em; margin: 0 0 26px; }
.download-row { display: grid; grid-template-columns: 50px minmax(0, 1fr) auto; align-items: center; gap: 20px; padding: 23px 0; border-top: 1px solid var(--line); text-decoration: none; }
.download-row:hover .download-name { text-decoration: underline; text-underline-offset: 4px; }
.file-type { font: .75rem var(--mono); border: 1px solid #cdd0cd; width: 42px; height: 48px; display: grid; place-items: center; border-radius: 2px; color: var(--muted); }
.download-name { font-size: 1rem; }
.download-name small { display: block; color: var(--muted); font-size: .875rem; margin-top: 2px; font-weight: 400; }
.availability { font-size: .875rem; color: var(--muted); }
.download-status { font-size: .875rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; scroll-margin-block: 60px; }
.download-status:target { color: #285f36; }

footer { padding: 33px 0 42px; display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; font-size: .875rem; }
.footer-name { font-weight: 500; }
footer p { margin-top: 5px; color: var(--muted); font-size: .75rem; }
footer > a { color: var(--muted); font-size: .875rem; text-decoration: none; }
footer > a:hover { text-decoration: underline; }
.copyright { color: var(--muted); font-size: .75rem; }

@media (max-width: 1000px) {
  .page { width: calc(100% - 72px); }
  .header-note { display: none; }
  .hero { grid-template-columns: 43% 57%; }
  .eyebrow { gap: 10px; flex-wrap: wrap; }
  .hero-art { padding-left: 12px; }
  .hero-art figcaption { margin-left: 0; flex-wrap: wrap; gap: 0; }
  .section-grid { grid-template-columns: 125px minmax(0,1fr); gap: 25px; }
  .application-line { gap: 25px; }
  .application-line > span { width: 125px; }
  .components { gap: 35px; }
  .application-line p { gap: 16px; }
}

@media (max-width: 700px) {
  .page { width: calc(100% - 40px); }
  .header { min-height: 83px; gap: 20px; }
  .wordmark { font-size: 1.65rem; }
  nav { gap: 19px; font-size: .875rem; }
  .hero { grid-template-columns: 1fr; padding: 44px 0 28px; gap: 28px; }
  h1 { font-size: clamp(3.9rem, 15vw, 5rem); }
  h1 br { display: none; }
  h1 span { display: block; }
  .eyebrow { margin-bottom: 23px; }
  .hero-line { margin-top: 25px; }
  .hero-art { padding: 0; }
  .hero-art figcaption { margin-top: 18px; justify-content: space-between; font-size: .75rem; }
  .application-line { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 20px; }
  .application-line > span { width: auto; font-size: .75rem; }
  .application-line p { gap: 10px; font-size: .875rem; }
  .section-grid { grid-template-columns: 1fr; gap: 27px; padding-block: 43px; }
  .section-label { padding: 0; }
  .section-lead { font-size: 1.85rem; }
  .system-description { margin-top: 19px; }
  .components { gap: 30px; margin-top: 26px; }
  .component-art { height: 135px; margin-bottom: 15px; }
  .component-art img { height: 135px; }
  .technical-details { margin-top: 26px; }
  .technical-details > div { grid-template-columns: 1fr 1.2fr; font-size: .875rem; }
  .resources-intro { font-size: 1.3rem; }
  .download-row { grid-template-columns: 40px 1fr; gap: 9px 16px; padding-block: 19px; }
  .file-type { grid-row: span 2; width: 36px; height: 44px; }
  .availability { grid-column: 2; font-size: .875rem; }
  .download-name small { font-size: .875rem; }
  footer { flex-wrap: wrap; gap: 18px 30px; padding-block: 28px; }
  footer > div { width: 100%; }
  .copyright { margin-left: auto; }
}

@media (max-width: 420px) {
  .components { grid-template-columns: 1fr; gap: 32px; }
  .component-art { height: 150px; }
  .component-art img { height: 150px; }
  nav { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .skip-link, nav, .quiet-button { display: none; }
  .page { width: 100%; }
  .hero, .section-grid { padding-block: 25px; }
  .components article, .download-row { break-inside: avoid; }
}
