:root {
  color-scheme: light;
  --navy-950: #04131f;
  --navy-900: #071b2b;
  --navy-850: #0a2234;
  --navy-800: #0e2a3e;
  --navy-700: #173e55;
  --ink: #102532;
  --slate: #516674;
  --slate-2: #6d7e89;
  --line: #d8e0e5;
  --line-dark: rgba(207, 226, 235, 0.16);
  --surface: #ffffff;
  --surface-soft: #f4f7f8;
  --surface-blue: #edf4f6;
  --accent: #41d0b0;
  --accent-dark: #087964;
  --accent-pale: #d9f7ef;
  --white: #f9fcfd;
  --warning: #f0bd63;
  --shadow: 0 24px 60px rgba(3, 23, 35, 0.16);
  --font: "Segoe UI Variable Text", "Aptos", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-family: var(--font);
  font-synthesis: none;
  color: var(--ink);
  background: var(--surface);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { min-width: 320px; margin: 0; background: var(--surface); -webkit-font-smoothing: antialiased; }
body, button, input, select, textarea { font: 400 16px/1.55 var(--font); }
button, input, select, textarea { color: inherit; }
a { color: inherit; }
button, a, select, summary { -webkit-tap-highlight-color: transparent; }
button, select, summary { cursor: pointer; }
button:focus-visible, a:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
h1, h2, h3, p { margin-top: 0; }
p { line-height: 1.7; }
[hidden] { display: none !important; }
.shell { width: min(1240px, calc(100% - 80px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--navy-900);
  background: white;
  border-radius: 4px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

/* Header */
.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  color: var(--white);
  background: rgba(7, 27, 43, 0.82);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.brand-symbol {
  width: 30px;
  height: 34px;
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  border: 1.5px solid currentColor;
  color: var(--accent);
}
.brand-symbol::before, .brand-symbol::after, .brand-symbol span::before {
  content: "";
  position: absolute;
  left: 7px;
  height: 1.5px;
  background: currentColor;
}
.brand-symbol::before { width: 15px; top: 9px; }
.brand-symbol::after { width: 10px; top: 16px; }
.brand-symbol span::before { width: 6px; top: 23px; }
.brand-symbol span::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  right: -4px;
  top: -4px;
  background: var(--navy-900);
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
}
.brand-copy { font-size: 16px; letter-spacing: 0.02em; }
.brand-copy strong { font-weight: 720; }
.header-inner nav { display: flex; align-items: center; gap: 30px; }
.header-inner nav a { min-height: 44px; display: inline-flex; align-items: center; color: #d4e0e5; font-size: 13px; font-weight: 580; text-decoration: none; }
.header-inner nav a:hover { color: white; }
.header-inner nav .nav-login { min-height: 42px; gap: 22px; padding: 0 15px; color: white; border: 1px solid rgba(208, 227, 234, 0.32); border-radius: 3px; }
.header-inner nav .nav-login:hover { border-color: var(--accent); background: rgba(65, 208, 176, 0.08); }
.nav-toggle { display: none; }

/* Shared */
.section { padding-block: 112px; }
.kicker {
  margin-bottom: 22px;
  color: #9dc9c1;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.kicker > span { display: inline-block; width: 20px; height: 1px; margin: 0 10px 3px 0; background: var(--accent); }
.kicker-dark { color: var(--accent-dark); }
.kicker-light { color: var(--accent); }
.section-intro { max-width: 820px; margin-bottom: 58px; }
.section-intro h2, .output-copy h2, .pilot-layout h2, .faq-layout h2, .contact-inner h2 {
  margin-bottom: 26px;
  font-size: clamp(38px, 4.1vw, 58px);
  font-weight: 610;
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.section-intro > p:last-child { max-width: 670px; margin-bottom: 0; color: var(--slate); font-size: 17px; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--navy-950); background: var(--accent); }
.button-primary:hover { background: #6de0c8; }
.button-dark { color: white; background: var(--navy-900); }
.button-dark:hover { background: var(--navy-700); }
.button-light { color: var(--navy-900); background: white; }
.button-light:hover { background: var(--accent-pale); }
.text-link { min-height: 46px; display: inline-flex; align-items: center; gap: 20px; color: #d9e6ea; border-bottom: 1px solid rgba(218, 232, 236, 0.35); font-size: 13px; font-weight: 650; text-decoration: none; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 79% 22%, rgba(38, 137, 144, 0.28), transparent 28%),
    linear-gradient(112deg, var(--navy-950), var(--navy-900) 57%, #0b3043);
}
.hero::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -190px;
  top: 220px;
  opacity: 0.18;
  border: 1px solid #68cbb8;
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(58, 185, 172, 0.05), 0 0 0 160px rgba(58, 185, 172, 0.03);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.03fr 0.97fr; gap: 76px; align-items: center; padding-block: 168px 86px; }
.hero-copy { max-width: 665px; }
.hero h1 {
  max-width: 720px;
  margin-bottom: 30px;
  font-size: clamp(50px, 5.3vw, 75px);
  font-weight: 590;
  line-height: 1.01;
  letter-spacing: -0.055em;
}
.hero h1 em { color: #c3f4e9; font-style: normal; }
.hero-lede { max-width: 600px; margin-bottom: 34px; color: #c8d6dc; font-size: 17px; line-height: 1.72; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.hero-note { margin: 28px 0 0; color: #9eb2bb; font-size: 12px; }
.product-window {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 525px;
  justify-self: end;
  overflow: hidden;
  color: var(--ink);
  background: #fbfdfd;
  border: 1px solid rgba(210, 228, 235, 0.25);
  border-radius: 7px;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,0.05);
}
.window-bar, .window-context, .window-status, .evidence-list > div { display: flex; align-items: center; }
.window-bar { min-height: 58px; justify-content: space-between; gap: 16px; padding: 0 22px; color: white; background: #0b2839; }
.window-brand { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.mini-symbol { width: 15px; height: 17px; display: inline-block; position: relative; border: 1px solid var(--accent); }
.mini-symbol::before, .mini-symbol::after { content: ""; position: absolute; left: 3px; height: 1px; background: var(--accent); }
.mini-symbol::before { width: 8px; top: 5px; }
.mini-symbol::after { width: 5px; top: 10px; }
.confidential-tag { padding: 5px 8px; color: #a8d5cc; border: 1px solid rgba(126, 218, 199, 0.26); border-radius: 2px; font-size: 8px; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.window-context { justify-content: space-between; gap: 25px; padding: 22px; border-bottom: 1px solid var(--line); }
.window-context > div { display: grid; gap: 4px; }
.window-context > div:last-child { text-align: right; }
.window-context small, .window-status small, .report-title-row small { color: var(--slate-2); font-size: 9px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.window-context strong { font-size: 12px; font-weight: 650; }
.window-status { gap: 13px; padding: 22px; background: #eff7f5; border-bottom: 1px solid #d5e5e1; }
.status-orb { width: 9px; height: 9px; flex: 0 0 auto; background: var(--accent-dark); border-radius: 50%; box-shadow: 0 0 0 5px rgba(8,121,100,.1); }
.window-status > div { display: grid; gap: 2px; }
.window-status strong { font-size: 13px; }
.status-policy { margin-left: auto; color: var(--accent-dark); font-size: 10px; font-weight: 750; }
.evidence-list { margin: 0; padding: 0 22px; }
.evidence-list > div { min-height: 64px; display: grid; grid-template-columns: 112px 1fr auto; gap: 14px; border-bottom: 1px solid var(--line); }
.evidence-list dt { color: var(--slate-2); font-size: 10px; }
.evidence-list dd { margin: 0; font-size: 11px; font-weight: 620; }
.evidence-list span { color: var(--accent-dark); font-size: 9px; font-weight: 700; }
.window-boundary { display: flex; align-items: flex-start; gap: 11px; margin: 18px 22px 0; padding: 14px; background: var(--surface-soft); border-left: 2px solid var(--slate-2); }
.window-boundary > span { width: 17px; height: 17px; display: grid; place-items: center; flex: 0 0 auto; color: var(--slate); border: 1px solid #8a9da7; border-radius: 50%; font-size: 10px; font-weight: 750; }
.window-boundary p { margin: 0; color: var(--slate); font-size: 10px; line-height: 1.55; }
.window-disclosure { margin: 15px 22px 20px; color: #85949c; font-size: 8px; letter-spacing: 0.08em; text-transform: uppercase; }
.assurance-row { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.assurance-row > div { min-height: 81px; display: flex; align-items: center; gap: 13px; padding: 20px 25px; border-right: 1px solid var(--line-dark); }
.assurance-row > div:first-child { padding-left: 0; }
.assurance-row > div:last-child { border-right: 0; }
.assurance-row strong { color: var(--accent); font-size: 10px; letter-spacing: .08em; }
.assurance-row span { color: #bed0d6; font-size: 11px; }

/* Platform */
.platform-section { background: var(--surface); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid article { min-height: 310px; padding: 34px 38px 30px 0; border-right: 1px solid var(--line); }
.capability-grid article + article { padding-left: 38px; }
.capability-grid article:last-child { padding-right: 0; border-right: 0; }
.capability-index { display: block; margin-bottom: 70px; color: var(--accent-dark); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.capability-grid h3 { max-width: 290px; margin-bottom: 18px; font-size: 23px; font-weight: 640; line-height: 1.22; letter-spacing: -.02em; }
.capability-grid p { margin-bottom: 0; color: var(--slate); font-size: 14px; }

/* Method */
.method-section { background: var(--surface-soft); border-block: 1px solid #e2e8eb; }
.split-intro { max-width: none; display: grid; grid-template-columns: 1.15fr .7fr; gap: 120px; align-items: end; }
.split-intro h2 { margin-bottom: 0; }
.split-intro > p { padding-bottom: 4px; }
.workflow { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.workflow li { position: relative; min-height: 340px; padding-right: 34px; }
.workflow li:not(:last-child)::before { content: ""; position: absolute; top: 17px; left: 34px; right: 0; height: 1px; background: #b8c7cd; }
.workflow-marker { position: relative; z-index: 1; width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 42px; color: var(--navy-900); background: var(--accent); border-radius: 50%; font-size: 10px; font-weight: 750; }
.workflow-label { margin-bottom: 9px; color: var(--accent-dark); font-size: 9px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.workflow h3 { margin-bottom: 17px; font-size: 20px; font-weight: 650; letter-spacing: -.015em; }
.workflow li > div:last-child > p:last-child { margin-bottom: 0; color: var(--slate); font-size: 13px; }
.coverage-callout { display: flex; align-items: flex-start; gap: 16px; padding: 25px 28px; background: white; border: 1px solid var(--line); border-left: 3px solid var(--accent-dark); }
.callout-icon { width: 22px; height: 22px; display: grid; place-items: center; flex: 0 0 auto; color: var(--accent-dark); border: 1px solid #75a69a; border-radius: 50%; font-size: 11px; font-weight: 750; }
.coverage-callout p { margin: 0; color: var(--slate); font-size: 13px; }
.coverage-callout strong { color: var(--ink); }

/* Output */
.output-section { color: white; background: linear-gradient(135deg, var(--navy-950), #0b2a3c); }
.output-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 84px; align-items: start; }
.output-copy { padding-top: 16px; }
.output-copy > p:not(.kicker) { max-width: 475px; margin-bottom: 36px; color: #b8cbd2; font-size: 15px; }
.scenario-list { display: grid; gap: 8px; }
.scenario { width: 100%; min-height: 72px; display: grid; grid-template-columns: 30px 1fr; gap: 2px 13px; align-items: center; padding: 12px 14px; color: #d6e2e7; background: transparent; border: 1px solid var(--line-dark); border-radius: 3px; text-align: left; }
.scenario:hover { border-color: rgba(65, 208, 176, .5); }
.scenario.is-active { color: white; background: rgba(65, 208, 176, .09); border-color: var(--accent); }
.scenario > span { grid-row: 1 / 3; color: var(--accent); font-size: 10px; font-weight: 750; }
.scenario strong { font-size: 13px; font-weight: 650; }
.scenario small { color: #98afb8; font-size: 11px; }
.date-control { display: grid; gap: 9px; margin-top: 25px; }
.date-control > span { color: #9fb3bc; font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.date-control select { width: 100%; min-height: 47px; padding: 8px 35px 8px 12px; color: white; background: #0b2839; border: 1px solid rgba(207, 226, 235, .28); border-radius: 3px; }
.signal-report { overflow: hidden; color: var(--ink); background: white; border-radius: 5px; box-shadow: 0 28px 70px rgba(0,0,0,.28); }
.signal-report > header { min-height: 67px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 28px; color: white; background: #0c2a3c; }
.report-brand { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.signal-report > header > span { color: #9fc2c6; font-size: 8px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.report-title-row { display: flex; justify-content: space-between; gap: 30px; padding: 30px 32px 25px; border-bottom: 1px solid var(--line); }
.report-title-row > div { display: grid; gap: 7px; }
.report-title-row > div:last-child { text-align: right; }
.report-title-row h3 { margin: 0; font-size: 24px; font-weight: 650; letter-spacing: -.025em; }
.report-title-row strong { font-size: 12px; }
.report-observation { margin: 25px 32px; padding: 21px 23px; background: #eef7f5; border-left: 3px solid var(--accent-dark); }
.report-observation .observation-label { margin-bottom: 8px; color: var(--accent-dark); font-size: 10px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.report-observation p:last-child { margin: 0; font-size: 12px; line-height: 1.65; }
.report-evidence { margin: 0; padding: 0 32px; }
.report-evidence > div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding-block: 15px; border-top: 1px solid var(--line); }
.report-evidence dt { color: var(--slate-2); font-size: 10px; font-weight: 700; }
.report-evidence dd { margin: 0; font-size: 11px; line-height: 1.6; }
.signal-report > footer { display: flex; align-items: flex-start; gap: 12px; margin-top: 9px; padding: 20px 32px 24px; background: var(--surface-soft); border-top: 1px solid var(--line); }
.signal-report > footer > span { width: 23px; height: 23px; display: grid; place-items: center; flex: 0 0 auto; color: var(--accent-dark); border: 1px solid #8faaa5; border-radius: 50%; font-size: 9px; font-weight: 800; }
.signal-report > footer p { margin: 0; color: var(--slate); font-size: 10px; }
.signal-report > footer strong { color: var(--ink); }

/* Controls */
.controls-section { padding-bottom: 0; background: white; }
.controls-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 100px; }
.controls-heading { margin-bottom: 0; }
.controls-heading h2 { font-size: clamp(40px, 3.8vw, 54px); }
.control-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.control-grid article { min-height: 180px; display: flex; gap: 17px; padding: 28px 25px 24px 0; border-bottom: 1px solid var(--line); }
.control-grid article:nth-child(even) { padding-left: 25px; border-left: 1px solid var(--line); }
.control-grid article > span { width: 29px; height: 29px; display: grid; place-items: center; flex: 0 0 auto; color: var(--accent-dark); background: var(--accent-pale); border-radius: 3px; font-size: 9px; font-weight: 800; }
.control-grid h3 { margin-bottom: 10px; font-size: 15px; font-weight: 680; }
.control-grid p { margin: 0; color: var(--slate); font-size: 12px; }
.boundary-strip { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 88px; color: white; background: var(--navy-900); }
.boundary-strip span { min-height: 73px; display: flex; align-items: center; justify-content: center; padding: 17px; border-right: 1px solid var(--line-dark); color: #c7d8de; font-size: 11px; font-weight: 650; text-align: center; }
.boundary-strip span:last-child { border-right: 0; }

/* Pilot and FAQ */
.pilot-section { background: var(--surface-blue); }
.pilot-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 110px; }
.pilot-lede { max-width: 520px; margin-bottom: 35px; color: var(--slate); font-size: 16px; }
.pilot-steps { margin: 0; padding: 0; border-top: 1px solid #cbd8de; list-style: none; }
.pilot-steps li { display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 25px 0; border-bottom: 1px solid #cbd8de; }
.pilot-steps > li > span { color: var(--accent-dark); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.pilot-steps h3 { margin-bottom: 7px; font-size: 16px; font-weight: 680; }
.pilot-steps p { margin: 0; color: var(--slate); font-size: 13px; }
.faq-section { background: white; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 110px; }
.faq-layout h2 { font-size: clamp(38px, 3.4vw, 50px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 79px; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 18px 0; list-style: none; font-size: 15px; font-weight: 650; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--accent-dark); font-size: 24px; font-weight: 300; transition: transform 150ms ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 700px; margin: -3px 38px 24px 0; color: var(--slate); font-size: 13px; }

/* Contact and footer */
.contact-section { color: white; background: linear-gradient(110deg, #0c293c, #12475b); }
.contact-inner { min-height: 330px; display: grid; grid-template-columns: 1fr .65fr; gap: 110px; align-items: center; }
.contact-inner h2 { margin-bottom: 0; }
.contact-inner > div:last-child p { margin-bottom: 25px; color: #c4d7dc; }
.site-footer { color: #becdd3; background: var(--navy-950); }
.footer-main { min-height: 290px; display: grid; grid-template-columns: 1.3fr .55fr .8fr; gap: 85px; padding-block: 62px 48px; }
.footer-brand { color: white; }
.footer-main > div:first-child > p { max-width: 340px; margin: 24px 0 0; color: #91a6af; font-size: 13px; }
.footer-links { display: grid; align-content: start; gap: 8px; }
.footer-links a, .footer-main address a { min-height: 35px; display: inline-flex; align-items: center; font-size: 12px; text-decoration: none; }
.footer-links a:hover, .footer-main address a:hover { color: var(--accent); }
.footer-main address { display: grid; align-content: start; font-style: normal; font-size: 12px; }
.footer-main address strong { margin-bottom: 12px; color: white; font-size: 13px; }
.footer-main address span { line-height: 1.65; }
.footer-main address a:first-of-type { margin-top: 10px; }
.footer-bottom { min-height: 67px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line-dark); color: #849aa4; font-size: 10px; }

@media (max-width: 1060px) {
  .shell { width: min(100% - 56px, 1120px); }
  .header-inner nav { gap: 19px; }
  .hero-grid { gap: 45px; }
  .hero h1 { font-size: 58px; }
  .product-window { max-width: 450px; }
  .assurance-row > div { padding-inline: 15px; }
  .split-intro { gap: 65px; }
  .output-layout { gap: 50px; }
  .controls-layout { gap: 55px; }
  .pilot-layout, .faq-layout { gap: 65px; }
  .footer-main { gap: 50px; }
}

@media (max-width: 820px) {
  .shell { width: calc(100% - 42px); }
  .section { padding-block: 86px; }
  .header-inner { min-height: 78px; }
  .header-inner nav { position: absolute; top: 78px; left: 0; right: 0; display: none; padding: 18px 21px 25px; background: #081e2e; border-bottom: 1px solid var(--line-dark); box-shadow: 0 18px 32px rgba(0,0,0,.25); }
  .header-inner nav.is-open { display: grid; gap: 1px; }
  .header-inner nav a { padding-inline: 4px; font-size: 14px; }
  .header-inner nav .nav-login { margin-top: 9px; padding-inline: 14px; justify-content: space-between; }
  .nav-toggle { min-height: 44px; display: inline-flex; align-items: center; gap: 12px; padding: 8px 0 8px 12px; color: white; background: transparent; border: 0; }
  .nav-toggle-label { font-size: 12px; font-weight: 650; }
  .nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after { width: 20px; height: 1px; display: block; position: relative; background: currentColor; transition: transform 150ms ease; }
  .nav-toggle-icon::before, .nav-toggle-icon::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-icon::before { top: -6px; }
  .nav-toggle-icon::after { top: 6px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { top: 0; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after { top: 0; transform: rotate(-45deg); }
  .hero-grid { grid-template-columns: 1fr; padding-block: 142px 68px; }
  .hero-copy { max-width: 720px; }
  .hero h1 { max-width: 690px; font-size: clamp(50px, 9vw, 68px); }
  .product-window { width: min(100%, 620px); max-width: none; justify-self: start; }
  .assurance-row { grid-template-columns: 1fr 1fr; }
  .assurance-row > div { padding-left: 0; border-bottom: 1px solid var(--line-dark); }
  .assurance-row > div:nth-child(even) { padding-left: 18px; border-right: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article, .capability-grid article + article { min-height: 0; padding: 29px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-grid article:last-child { border-bottom: 0; }
  .capability-index { margin-bottom: 28px; }
  .split-intro { grid-template-columns: 1fr; gap: 26px; }
  .split-intro > p { max-width: 680px; }
  .workflow { grid-template-columns: 1fr 1fr; gap: 30px 0; }
  .workflow li { min-height: 270px; }
  .workflow li:nth-child(2)::before { display: none; }
  .output-layout { grid-template-columns: 1fr; gap: 50px; }
  .output-copy { max-width: 680px; }
  .scenario-list { grid-template-columns: repeat(3, 1fr); }
  .scenario { min-height: 110px; grid-template-columns: 1fr; align-content: start; }
  .scenario > span { grid-row: auto; }
  .controls-layout { grid-template-columns: 1fr; }
  .controls-heading { max-width: 680px; }
  .boundary-strip { margin-top: 70px; grid-template-columns: 1fr 1fr; }
  .boundary-strip span:nth-child(2) { border-right: 0; }
  .boundary-strip span:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .pilot-layout, .faq-layout { grid-template-columns: 1fr; gap: 55px; }
  .pilot-layout > div:first-child { max-width: 680px; }
  .contact-inner { grid-template-columns: 1fr; gap: 28px; padding-block: 70px; }
  .contact-inner > div:last-child { max-width: 560px; }
  .footer-main { grid-template-columns: 1.2fr .7fr; }
  .footer-main address { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  html { scroll-padding-top: 76px; }
  .shell { width: calc(100% - 34px); }
  .section { padding-block: 68px; }
  .brand-copy { font-size: 15px; }
  .hero-grid { padding-block: 124px 55px; gap: 42px; }
  .hero h1 { font-size: clamp(42px, 13vw, 56px); letter-spacing: -.05em; }
  .hero-lede { font-size: 15px; }
  .hero-actions { align-items: stretch; gap: 15px; }
  .hero-actions .button { width: 100%; justify-content: space-between; }
  .text-link { width: fit-content; }
  .product-window { margin-left: 0; }
  .window-context { align-items: flex-start; }
  .window-context > div:last-child { text-align: left; }
  .window-context, .window-status { flex-direction: column; align-items: flex-start; }
  .status-policy { margin-left: 22px; }
  .evidence-list > div { grid-template-columns: 1fr; gap: 5px; padding-block: 13px; }
  .evidence-list span { margin-top: 2px; }
  .assurance-row { grid-template-columns: 1fr; }
  .assurance-row > div, .assurance-row > div:nth-child(even) { min-height: 62px; padding: 13px 0; border-right: 0; }
  .section-intro { margin-bottom: 42px; }
  .section-intro h2, .output-copy h2, .pilot-layout h2, .faq-layout h2, .contact-inner h2 { font-size: 37px; }
  .workflow { grid-template-columns: 1fr; }
  .workflow li { min-height: 0; display: grid; grid-template-columns: 45px 1fr; gap: 13px; padding-bottom: 30px; }
  .workflow li:not(:last-child)::before { top: 34px; bottom: 0; left: 18px; right: auto; width: 1px; height: auto; }
  .workflow li:nth-child(2)::before { display: block; }
  .workflow-marker { margin-bottom: 0; }
  .coverage-callout { padding: 20px; }
  .scenario-list { grid-template-columns: 1fr; }
  .scenario { min-height: 72px; grid-template-columns: 29px 1fr; }
  .scenario > span { grid-row: 1 / 3; }
  .signal-report > header, .report-title-row { align-items: flex-start; flex-direction: column; }
  .signal-report > header { padding-block: 18px; }
  .report-title-row > div:last-child { text-align: left; }
  .report-observation { margin-inline: 20px; }
  .report-evidence { padding-inline: 20px; }
  .report-evidence > div { grid-template-columns: 1fr; gap: 6px; }
  .signal-report > footer { padding-inline: 20px; }
  .control-grid { grid-template-columns: 1fr; }
  .control-grid article, .control-grid article:nth-child(even) { min-height: 0; padding: 24px 0; border-left: 0; }
  .boundary-strip { grid-template-columns: 1fr; }
  .boundary-strip span, .boundary-strip span:nth-child(2) { min-height: 57px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .boundary-strip span:last-child { border-bottom: 0; }
  .pilot-steps li { grid-template-columns: 35px 1fr; }
  .contact-inner { min-height: 0; }
  .contact-inner .button { width: 100%; justify-content: space-between; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; padding-block: 48px; }
  .footer-main address { grid-column: auto; }
  .footer-bottom { min-height: 95px; display: grid; align-content: center; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Public policy and contact pages */
.header-inner nav a[aria-current="page"], .footer-links a[aria-current="page"] { color: var(--accent); }
.subpage-hero { color: var(--white); background: radial-gradient(circle at 86% 25%, rgba(65,208,176,.15), transparent 30%), linear-gradient(112deg, var(--navy-950), var(--navy-900) 65%, #0c3444); }
.subpage-hero-inner { min-height: 445px; display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 90px; align-items: end; padding-block: 170px 76px; }
.subpage-hero h1 { max-width: 780px; margin-bottom: 20px; font-size: clamp(44px,5.5vw,72px); font-weight: 600; line-height: 1.03; letter-spacing: -.055em; }
.subpage-hero p:last-child { max-width: 720px; margin-bottom: 0; color: #bdd1d9; font-size: 17px; }
.subpage-aside { display: grid; align-content: end; gap: 8px; padding: 25px 0 7px 26px; border-left: 1px solid rgba(183,219,223,.35); }
.subpage-aside > span { margin-bottom: 8px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.subpage-aside strong { font-size: 16px; }
.subpage-aside small, .subpage-aside a { color: #bed2d8; font-size: 12px; line-height: 1.6; }
.subpage-aside a:hover { color: var(--accent); }
.policy-section { padding-block: 90px 125px; }
.policy-layout { display: grid; grid-template-columns: 205px minmax(0,800px); gap: 100px; align-items: start; }
.policy-toc { position: sticky; top: 24px; display: grid; gap: 3px; padding-top: 20px; border-top: 2px solid var(--navy-900); }
.policy-toc > span { margin-bottom: 15px; color: var(--accent-dark); font-size: 10px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.policy-toc a { padding: 8px 0; color: var(--slate); font-size: 12px; text-decoration: none; }
.policy-toc a:hover { color: var(--accent-dark); }
.policy-content { min-width: 0; }
.policy-lead { margin-bottom: 44px; padding: 29px 34px; background: var(--surface-blue); border-left: 3px solid var(--accent-dark); }
.policy-lead p { margin-bottom: 13px; color: var(--ink); font-size: 15px; }
.policy-lead p:last-child { margin-bottom: 0; }
.policy-block { padding-block: 39px 42px; border-top: 1px solid var(--line); scroll-margin-top: 30px; }
.policy-number { color: var(--accent-dark); font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.policy-block h2 { margin: 12px 0 19px; font-size: clamp(27px,2.6vw,35px); font-weight: 630; line-height: 1.17; letter-spacing: -.035em; }
.policy-block p { color: var(--slate); font-size: 14px; line-height: 1.8; }
.policy-block p:last-child { margin-bottom: 0; }
.policy-block a, .policy-endnote a { color: var(--accent-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.policy-table { border-top: 1px solid var(--line); }
.policy-table > div { display: grid; grid-template-columns: 170px 1fr; gap: 28px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.policy-table strong { font-size: 13px; }
.policy-table p { margin: 0; }
.policy-endnote { color: var(--slate-2); font-size: 12px; line-height: 1.7; }
.contact-page-section { padding-block: 90px 130px; background: var(--surface-soft); }
.contact-page-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(275px,.7fr); gap: 95px; align-items: start; }
.contact-form-wrap h2 { margin-bottom: 13px; font-size: clamp(34px,3.5vw,48px); font-weight: 630; line-height: 1.12; letter-spacing: -.04em; }
.form-intro { max-width: 650px; color: var(--slate); font-size: 15px; }
.form-boundary { display: grid; gap: 6px; margin: 28px 0 30px; padding: 20px 24px; background: #e6f2f1; border-left: 3px solid var(--accent-dark); }
.form-boundary strong { font-size: 13px; }
.form-boundary span { color: var(--slate); font-size: 12px; line-height: 1.7; }
#contact-form { display: grid; gap: 21px; }
.form-row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.form-field { display: grid; gap: 7px; }
.form-field label { font-size: 12px; font-weight: 700; }
.form-field label > span:not(.optional) { color: var(--accent-dark); }
.form-field .optional { margin-left: 5px; color: var(--slate-2); font-size: 10px; font-weight: 500; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 48px; padding: 10px 13px; color: var(--ink); background: white; border: 1px solid #bacbd2; border-radius: 3px; font-size: 14px; }
.form-field textarea { min-height: 155px; resize: vertical; }
.form-field input:focus-visible, .form-field select:focus-visible, .form-field textarea:focus-visible, .form-consent input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.form-field small { color: var(--slate-2); font-size: 11px; }
.form-consent { display: flex; align-items: flex-start; gap: 11px; color: var(--slate); font-size: 12px; line-height: 1.6; }
.form-consent input { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 1px; accent-color: var(--accent-dark); }
.form-consent a { color: var(--accent-dark); }
.form-status { padding: 14px 16px; border: 1px solid var(--line); color: var(--ink); background: white; font-size: 13px; }
.form-status[data-state="error"] { color: #7d281e; border-color: #d9aba4; background: #fff5f3; }
.form-status[data-state="success"] { color: #0e5b4b; border-color: #9bd1c4; background: #effaf6; }
#contact-submit { justify-self: start; cursor: pointer; }
#contact-submit:disabled { opacity: .6; cursor: wait; transform: none; }
.honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.contact-details { display: grid; gap: 18px; }
.contact-detail-card { display: grid; gap: 11px; padding: 30px; color: white; background: var(--navy-900); }
.contact-detail-card > span { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.contact-detail-card h3 { margin: 2px 0 7px; font-size: 22px; font-weight: 630; letter-spacing: -.03em; }
.contact-detail-card address { margin-bottom: 13px; color: #bdd0d8; font-size: 13px; font-style: normal; line-height: 1.8; }
.contact-detail-card > a { color: #dbebed; font-size: 13px; overflow-wrap: anywhere; }
.contact-detail-card > a:hover { color: var(--accent); }
.contact-detail-soft { color: var(--ink); background: white; border: 1px solid var(--line); }
.contact-detail-soft > span, .contact-detail-soft > a { color: var(--accent-dark); }
.contact-detail-soft p { color: var(--slate); font-size: 13px; }

@media (max-width: 820px) {
  .subpage-hero-inner { grid-template-columns: 1fr; gap: 35px; padding-block: 145px 62px; }
  .subpage-aside { max-width: 480px; }
  .policy-layout { grid-template-columns: 1fr; gap: 38px; }
  .policy-toc { position: static; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .policy-toc > span { grid-column: 1 / -1; }
  .contact-page-grid { grid-template-columns: 1fr; gap: 60px; }
  .contact-details { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 560px) {
  .subpage-hero-inner { padding-block: 127px 52px; }
  .subpage-hero h1 { font-size: 43px; }
  .subpage-hero p:last-child { font-size: 15px; }
  .policy-section, .contact-page-section { padding-block: 62px 85px; }
  .policy-lead { padding: 22px; }
  .policy-table > div { grid-template-columns: 1fr; gap: 8px; }
  .policy-toc { gap: 0 14px; }
  .form-row, .contact-details { grid-template-columns: 1fr; }
  #contact-submit { width: 100%; justify-content: space-between; }
}
