:root {
  --navy: #00253f;
  --blue: #0086bf;
  --cyan: #00b5e2;
  --teal: #3fb6a8;
  --green: #43b02a;
  --amber: #b98314;
  --ink: #16222e;
  --muted: #5b6770;
  --line: #dce6ee;
  --soft: #f4f8fb;
  --mist: #e9f6fb;
  --white: #ffffff;
  --radius: 8px;
  --shadow: 0 16px 40px rgba(16, 34, 46, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 {
  font-family: Montserrat, Inter, sans-serif;
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: 0;
}
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav-wrap {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  text-decoration: none;
}
.brand-logo { width: 96px; height: auto; display: block; }
.brand-title {
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}
nav { display: flex; align-items: center; gap: 22px; }
nav a { color: var(--ink); font-size: 14px; font-weight: 700; }
.nav-button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 14px;
}
.status-banner {
  background: #fff7e5;
  border-bottom: 1px solid #ead59a;
  color: #4f3a04;
}
.status-banner .wrap {
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 42px;
  font-size: 14px;
}
.status-banner strong {
  color: #6f4e00;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0;
}
.status-banner .labs-badge {
  display: inline-flex;
  align-items: center;
  margin: 0 2px;
  text-decoration: none;
}
.status-banner .labs-badge img {
  display: block;
  height: 18px;
  width: auto;
}
.hero {
  background: linear-gradient(180deg, #fff 0%, var(--soft) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 48px;
  align-items: center;
  padding-top: 74px;
  padding-bottom: 76px;
}
.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 56px;
}
.hero-subtitle {
  max-width: 690px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.labs-badge {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  text-decoration: none;
}
.labs-badge img {
  display: block;
  height: 28px;
  width: auto;
}
.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
}
.button.primary { background: var(--navy); color: #fff; }
.button.secondary { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.evidence-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.evidence-panel dl { margin: 0; }
.evidence-panel dl div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.evidence-panel dl div:last-child { border-bottom: 0; padding-bottom: 0; }
.evidence-panel dt {
  font-family: Montserrat, Inter, sans-serif;
  color: var(--navy);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.evidence-panel dd { margin: 0; color: var(--muted); font-size: 14px; }
code {
  font-family: "SFMono-Regular", ui-monospace, "Cascadia Code", monospace;
  background: var(--mist);
  border: 1px solid #cde6f0;
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--navy);
}
.section { padding-top: 72px; padding-bottom: 72px; }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
}
.intro-grid p, .section-heading p, .split-band p { color: var(--muted); }
.catalogue-section {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 26px;
}
.section-heading h2, .intro-grid h2, .split-band h2 { margin: 0; font-size: 30px; }
.section-heading p { max-width: 720px; margin: 10px 0 0; }
.search-box { min-width: 280px; }
.search-box label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.search-box input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  font: inherit;
}
.catalogue {
  display: grid;
  gap: 10px;
}
.standard-row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 180px 126px;
  gap: 16px;
  align-items: center;
  min-height: 84px;
  padding: 16px 18px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: var(--radius);
  text-decoration: none;
}
.standard-row[hidden] { display: none; }
.standard-row:hover {
  border-color: #c6d6e1;
  box-shadow: 0 10px 24px rgba(16, 34, 46, 0.07);
  text-decoration: none;
}
.row-id {
  font-family: "SFMono-Regular", ui-monospace, monospace;
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}
.row-main { display: grid; gap: 4px; }
.row-main strong { color: var(--navy); font-size: 17px; }
.row-main small { color: var(--muted); font-size: 13px; line-height: 1.45; }
.row-category, .row-status {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.row-status {
  justify-self: start;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--soft);
}
.split-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.split-band p { max-width: 760px; }
.content-page, .standard-page {
  padding-top: 54px;
  padding-bottom: 80px;
}
.breadcrumb {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}
.content-page h1, .standard-page h1 {
  max-width: 850px;
  margin: 0 0 18px;
  font-size: 42px;
}
.content-page h2, .standard-body h2 { margin-top: 36px; font-size: 25px; }
.content-page p, .content-page li, .standard-body p, .standard-body li { max-width: 860px; }
.content-page img, .standard-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 22px 0 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.standard-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.standard-id {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-family: "SFMono-Regular", ui-monospace, monospace;
  font-weight: 800;
}
.standard-header p { color: var(--muted); font-size: 18px; max-width: 760px; }
.meta-panel {
  margin: 0;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.meta-panel div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.meta-panel div:last-child { border-bottom: 0; }
.meta-panel dt { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.meta-panel dd { margin: 0; font-weight: 700; }
.standard-body { padding-top: 26px; }
.standard-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 28px;
}
.standard-body th, .standard-body td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.standard-body th { background: var(--soft); color: var(--navy); }
pre {
  max-width: 920px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0f2230;
  color: #eef7fb;
  padding: 18px;
}
pre code { background: transparent; border: 0; color: inherit; padding: 0; }
.site-footer {
  background: var(--navy);
  color: #cfe0ec;
  padding: 38px 0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 28px;
}
.footer-logo {
  display: block;
  width: 112px;
  height: auto;
  margin-bottom: 8px;
}
.footer-grid p { max-width: 680px; margin: 8px 0 0; color: #9fbbcc; }
.footer-grid div:last-child { display: grid; gap: 6px; align-content: start; }
.footer-grid a { color: #9fd4ec; font-weight: 700; }

@media (max-width: 900px) {
  .nav-wrap, .section-heading, .split-band, .footer-grid { align-items: flex-start; flex-direction: column; }
  nav { flex-direction: row; flex-wrap: wrap; gap: 10px 14px; }
  .status-banner .wrap { align-items: flex-start; flex-direction: column; gap: 2px; padding-top: 9px; padding-bottom: 9px; }
  .hero-grid, .intro-grid, .standard-header { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .standard-row { grid-template-columns: 1fr; gap: 8px; }
  .row-category, .row-status { justify-self: start; }
  .search-box { min-width: 0; width: 100%; }
}