:root {
  --ink: #18212b;
  --body: #44515d;
  --muted: #687684;
  --line: #d9e0e6;
  --paper: #ffffff;
  --wash: #f3f6f8;
  --blue: #006eaa;
  --blue-deep: #004f7c;
  --green: #2c7a63;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--body); }
a { color: var(--blue-deep); }
a:focus-visible { outline: 3px solid #63b6df; outline-offset: 3px; }

.site-header {
  width: min(1180px, calc(100% - 48px));
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand img { display: block; width: 178px; height: auto; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: var(--body); font-size: 15px; font-weight: 600; text-decoration: none; }
.portal-link { color: var(--blue-deep); border-bottom: 2px solid var(--blue); padding: 10px 0 8px; }

.hero {
  position: relative;
  min-height: min(590px, calc(100vh - 118px));
  padding: 92px max(24px, calc((100vw - 1180px) / 2));
  display: grid;
  grid-template-columns: minmax(0, 620px) 1fr;
  align-items: center;
  gap: 72px;
  overflow: hidden;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 16px; color: var(--blue-deep); font-size: 14px; font-weight: 700; text-transform: uppercase; }
h1, h2 { margin: 0; color: var(--ink); letter-spacing: 0; }
h1 { font-size: 92px; line-height: .96; }
h2 { font-size: 46px; line-height: 1.08; }
.lede { max-width: 620px; margin: 28px 0 32px; font-size: 21px; line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.primary-action { display: inline-flex; min-height: 46px; align-items: center; padding: 0 18px; background: var(--blue); color: white; font-weight: 700; text-decoration: none; border-radius: 4px; }
.primary-action:hover { background: var(--blue-deep); }
.text-action { font-weight: 700; text-underline-offset: 4px; }

.technical-field { position: relative; width: 100%; aspect-ratio: 1 / .72; min-height: 350px; }
.line { position: absolute; display: block; background: var(--blue); height: 8px; transform-origin: left center; }
.line-a { width: 76%; left: 5%; top: 61%; transform: rotate(-32deg); }
.line-b { width: 65%; left: 30%; top: 37%; transform: rotate(20deg); background: var(--green); }
.line-c { width: 48%; left: 19%; top: 75%; transform: rotate(0deg); height: 4px; }
.node { position: absolute; width: 22px; height: 22px; border: 5px solid var(--ink); background: white; border-radius: 50%; }
.node-a { left: 6%; top: 56%; }
.node-b { left: 63%; top: 26%; }
.node-c { left: 78%; top: 57%; }
.measure { position: absolute; color: var(--muted); font: 700 12px Consolas, monospace; letter-spacing: 0; border-top: 1px solid var(--muted); padding-top: 8px; }
.measure-a { left: 47%; top: 12%; width: 34%; }
.measure-b { left: 10%; bottom: 2%; width: 38%; }

.product-band, .trust-band {
  padding: 86px max(24px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--line);
}
.product-band { background: var(--wash); }
.section-heading { max-width: 650px; margin-bottom: 54px; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid #cbd4dc; }
.product { padding: 38px 48px 24px 0; border-bottom: 1px solid #cbd4dc; }
.product + .product { padding-left: 48px; border-left: 1px solid #cbd4dc; }
.product-lockup { display: block; width: auto; max-width: 100%; object-fit: contain; object-position: left center; }
.product-lockup.fab { height: 32px; }
.product-lockup.atlas { height: 31px; }
.product p { min-height: 56px; margin: 24px 0 18px; font-size: 18px; line-height: 1.55; }
.product span { color: var(--green); font-size: 14px; font-weight: 700; text-transform: uppercase; }

.trust-band { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 90px; }
.trust-copy p { margin: 0 0 20px; font-size: 18px; line-height: 1.65; }
.trust-copy a { font-weight: 700; text-underline-offset: 4px; }

.document { width: min(760px, calc(100% - 48px)); min-height: calc(100vh - 280px); margin: 0 auto; padding: 86px 0 110px; }
.document h1 { font-size: 72px; }
.document .updated { margin: 18px 0 56px; color: var(--muted); }
.document h2 { margin-top: 42px; font-size: 25px; }
.document p:not(.eyebrow):not(.updated) { font-size: 18px; line-height: 1.7; }

footer {
  padding: 42px max(24px, calc((100vw - 1180px) / 2));
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 18px;
  color: #dce8ef;
  background: var(--ink);
}
footer img { width: 38px; height: 38px; }
footer strong { color: white; font-size: 18px; }
footer p { margin: 4px 0 0; font-size: 14px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: white; font-size: 14px; }

@media (max-width: 760px) {
  .site-header { width: calc(100% - 32px); height: auto; min-height: 72px; }
  .brand img { width: 148px; }
  nav a:not(.portal-link) { display: none; }
  h1 { font-size: 56px; }
  h2 { font-size: 34px; }
  .hero { min-height: min(650px, calc(100vh - 96px)); padding-top: 64px; grid-template-columns: 1fr; align-content: start; gap: 20px; }
  .technical-field { min-height: 260px; max-height: 320px; }
  .lede { font-size: 18px; }
  .product-grid, .trust-band { grid-template-columns: 1fr; }
  .product + .product { padding-left: 0; border-left: 0; }
  .product p { min-height: 0; }
  .trust-band { gap: 36px; }
  .document h1 { font-size: 48px; }
  footer { grid-template-columns: 38px 1fr; }
  .footer-links { grid-column: 1 / -1; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }