/* NeuralVantage public site design system v1.1
   Implementation-ready prototype. Use the official NeuralVantage logo asset in production. */
:root {
  color-scheme: light;
  --nv-white: #ffffff;
  --nv-surface: #f7f9fc;
  --nv-surface-blue: #eef4fd;
  --nv-navy: #0d2461;
  --nv-navy-deep: #081a4a;
  --nv-blue: #1a6cf0;
  --nv-blue-text: #144fb5;
  --nv-blue-soft: #eaf1fe;
  --nv-orange: #f97316;
  --nv-orange-hover: #ff8730;
  --nv-orange-text: #8f3213;
  --nv-orange-soft: #fff4ec;
  --nv-green-text: #166534;
  --nv-green-soft: #f0f8f2;
  --nv-red-text: #8a2d13;
  --nv-red-soft: #fef3f0;
  --nv-ink: #0b1730;
  --nv-ink-2: #46536b;
  --nv-ink-3: #5f6b80; /* was #68748a — 4.3–4.5:1 on the tinted surfaces (#eef4fd auth footer, #fff4ec human-step, #f7f9fc cards); now ≥4.9:1 everywhere it renders */
  --nv-line: #e2e8f2;
  --nv-line-strong: #cbd6e7;
  --nv-on-navy: #ffffff;
  --nv-on-navy-2: #c2d0ea;
  --nv-shadow: 0 20px 55px -35px rgba(11, 23, 48, .38);
  --nv-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --nv-body: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --nv-mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --nv-max: 1200px;
  --nv-radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--nv-white); color: var(--nv-ink); font-family: var(--nv-body); font-size: 16.5px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
h1, h2, h3, h4 { margin: 0; font-family: var(--nv-display); letter-spacing: -.022em; }
p { margin: 0; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
img, svg { max-width: 100%; }
.wrap { width: min(100% - 64px, var(--nv-max)); margin-inline: auto; }
.narrow { width: min(100% - 40px, 820px); margin-inline: auto; }
.mono { font-family: var(--nv-mono); font-variant-numeric: tabular-nums; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 200; padding: 10px 14px; background: var(--nv-orange); color: #211207; font-weight: 700; border-radius: 4px; }
.skip-link:focus { top: 12px; }
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible { outline: 3px solid var(--nv-blue); outline-offset: 3px; border-radius: 3px; }
/* FocusOnNavigate moves focus to the page H1 after a route change (it stamps tabindex="-1"). A tabindex="-1" target
   is programmatic-only — keyboard users can never Tab to it — so it needs no visible ring; without this override the
   hero heading renders inside a stray blue box on first load. Interactive controls keep the WCAG ring above. */
[tabindex="-1"]:focus, [tabindex="-1"]:focus-visible { outline: none; }

/* Brand and navigation */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--nv-navy); color: var(--nv-on-navy); border-bottom: 1px solid rgba(255,255,255,.12); }
.header-inner { min-height: 68px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; white-space: nowrap; font-family: var(--nv-display); font-weight: 750; font-size: 18px; letter-spacing: -.03em; }
.brand-mark { width: 29px; height: 22px; display: inline-grid; place-items: center; border: 1px solid rgba(255,255,255,.34); border-radius: 4px; font-family: var(--nv-mono); font-size: 10px; letter-spacing: -.08em; color: #fff; }
/* ccclxix: the official ribbon-mark badge that replaced the boxed "NV" placeholder (PublicBrand.razor). */
.brand-badge { width: 38px; height: 26px; display: inline-flex; align-items: center; justify-content: center; overflow: hidden; padding: 2px 3px; background: #fff; border-radius: 5px; }
.brand-badge img { max-height: 100%; max-width: 100%; display: block; }
.brand-tm { font-size: 9px; color: var(--nv-on-navy-2); transform: translateY(-6px); }
.primary-nav { display: flex; align-items: center; gap: 23px; }
.primary-nav a { white-space: nowrap; color: #dce6f7; text-decoration: none; font-size: 14px; padding: 22px 0 19px; border-bottom: 3px solid transparent; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: #fff; border-bottom-color: #79a7ff; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.header-signin { color: #dce6f7; text-decoration: none; font-size: 14px; }
.header-signin:hover { color: #fff; text-decoration: underline; }
.menu-button { display: none; margin-left: auto; border: 1px solid rgba(255,255,255,.42); background: transparent; color: #fff; border-radius: 4px; padding: 8px 11px; cursor: pointer; font-weight: 650; }
.mobile-only-action { display: none; }

/* Buttons and links */
.button { display: inline-flex; white-space: nowrap; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 11px 20px; border: 1.5px solid transparent; border-radius: 5px; text-decoration: none; cursor: pointer; font-family: var(--nv-display); font-weight: 700; font-size: 15px; line-height: 1.25; }
.button-primary { background: var(--nv-orange); color: #201207; }
.button-primary:hover { background: var(--nv-orange-hover); }
.button-secondary { background: #fff; color: var(--nv-ink); border-color: var(--nv-line-strong); }
.button-secondary:hover { color: var(--nv-blue-text); border-color: var(--nv-blue); background: var(--nv-blue-soft); }
.button-blue { background: var(--nv-blue); color: #fff; }
.button-blue:hover { background: #1a5fd6; } /* was #2b79f5 — lightening dropped the white 15px/700 label to 4.1:1; darkening keeps it at 5.4:1 */
.button-on-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.button-on-dark:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.button-small { min-height: 40px; padding: 8px 15px; font-size: 14px; }
.primary-nav .mobile-only-action { display: none; }
.text-link { color: var(--nv-blue-text); font-weight: 650; text-underline-offset: 3px; }

/* Shared typography and section framing */
.eyebrow { margin-bottom: 16px; font-family: var(--nv-mono); color: var(--nv-blue-text); font-size: 11px; font-weight: 650; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow-on-dark { color: #9cbbf7; }
.section { padding: 84px 0; }
.section-alt { background: var(--nv-surface); border-block: 1px solid var(--nv-line); }
.section-navy { background: var(--nv-navy); color: #fff; }
.section-header { max-width: 68ch; margin-bottom: 42px; }
.section-header h2 { font-size: clamp(28px, 3.2vw, 39px); line-height: 1.14; margin-bottom: 14px; }
.section-header p { color: var(--nv-ink-2); font-size: 17px; }
.section-navy .section-header p { color: var(--nv-on-navy-2); }

/* Landing hero */
.hero { background: linear-gradient(180deg, var(--nv-surface-blue) 0%, #fff 68%); border-bottom: 1px solid var(--nv-line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(470px, .98fr); gap: 58px; align-items: center; padding-block: 76px 72px; }
.hero h1 { max-width: 18ch; margin-bottom: 22px; font-size: clamp(39px, 4.5vw, 56px); line-height: 1.04; }
.hero-lede { max-width: 56ch; margin-bottom: 17px; color: var(--nv-ink-2); font-size: 18px; line-height: 1.63; }
.campaign-line { margin-bottom: 30px; padding-left: 14px; border-left: 3px solid var(--nv-orange); color: var(--nv-navy); font-weight: 750; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.assurance-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px 18px; padding-top: 17px; border-top: 1px solid var(--nv-line); color: var(--nv-ink-3); font-size: 13.5px; }
.assurance-list span { display: flex; gap: 8px; align-items: flex-start; }
.assurance-list span::before { content: ""; flex: 0 0 auto; width: 7px; height: 7px; margin-top: .47em; border-radius: 50%; background: var(--nv-blue); }

.run-card { overflow: hidden; background: #fff; border: 1px solid var(--nv-line-strong); border-radius: 8px; box-shadow: var(--nv-shadow); }
.run-card-head { padding: 18px 20px; background: var(--nv-surface); border-bottom: 1px solid var(--nv-line); }
.run-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 8px; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.run-objective-label { display: block; margin-bottom: 4px; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.run-card-head h2 { font-size: 18px; }
.run-list { margin: 0; padding: 0; list-style: none; }
.run-list li { display: grid; grid-template-columns: 26px minmax(0,1fr) auto; gap: 10px; align-items: center; min-height: 48px; padding: 9px 20px; border-bottom: 1px solid var(--nv-line); font-size: 14px; }
.run-list .step-number { color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 12px; }
.run-list .human-step { background: var(--nv-orange-soft); }
.run-list .human-step .step-label { font-weight: 750; }
.status { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; padding: 3px 9px; border: 1px solid var(--nv-line-strong); border-radius: 999px; color: var(--nv-ink-2); background: var(--nv-surface); font-size: 11.5px; font-weight: 700; }
.status-blue { color: var(--nv-blue-text); border-color: #bfd5fb; background: var(--nv-blue-soft); }
.status-human { color: var(--nv-orange-text); border-color: #f6cda8; background: #fff8f3; }
.status-human::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--nv-orange); }
.status-pending { color: var(--nv-ink-3); background: #fff; border-style: dashed; }
.artifact-preview { display: flex; gap: 14px; align-items: center; padding: 16px 20px; background: var(--nv-surface); }
.artifact-icon { flex: 0 0 auto; width: 34px; height: 42px; display: grid; place-items: end center; padding-bottom: 4px; border: 1px solid var(--nv-line-strong); border-radius: 3px; background: #fff; color: var(--nv-blue-text); font-family: var(--nv-mono); font-size: 7px; }
.artifact-preview h3 { margin-bottom: 3px; font-size: 15px; }
.artifact-preview p { color: var(--nv-ink-3); font-size: 13px; }
.run-card-foot { padding: 11px 20px; border-top: 1px solid var(--nv-line); color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

/* Problem and principles */
.problem-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 60px; align-items: center; }
.problem-copy h2 { margin-bottom: 16px; font-size: clamp(28px, 3.2vw, 39px); line-height: 1.14; }
.problem-copy p { color: var(--nv-ink-2); font-size: 17px; }
.problem-copy p + p { margin-top: 14px; }
.work-chain { margin: 0; padding: 0; list-style: none; }
.work-chain li { position: relative; padding: 0 0 25px 35px; border-left: 2px solid var(--nv-line-strong); }
.work-chain li:last-child { padding-bottom: 0; border-left-color: transparent; }
.work-chain li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border: 2px solid var(--nv-line-strong); border-radius: 50%; background: #fff; }
.work-chain .key { border-left-color: var(--nv-blue); }
.work-chain .key::before { background: var(--nv-blue); border-color: var(--nv-blue); }
.work-chain h3 { margin-bottom: 3px; font-size: 17px; }
.work-chain .key h3 { color: var(--nv-blue-text); }
.work-chain p { color: var(--nv-ink-3); font-size: 14.5px; }

.principles-header { max-width: 760px; }
.principles-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--nv-line); background: var(--nv-line); border-radius: 7px; }
.principle { position: relative; min-height: 224px; padding: 29px 25px 27px; background: #fff; }
.principle-human { box-shadow: inset 4px 0 0 var(--nv-orange); }
.principle-number { position: absolute; top: 20px; right: 22px; display: grid; width: 29px; height: 29px; place-items: center; border: 1px solid var(--nv-line-strong); border-radius: 50%; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 11px; font-weight: 700; }
.principle-outcome { display: block; max-width: calc(100% - 42px); margin-bottom: 13px; color: var(--nv-blue-text); font-family: var(--nv-mono); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.principle-human .principle-outcome { color: var(--nv-orange-text); }
.principle h3 { margin-bottom: 9px; font-size: 19px; }
.principle p { color: var(--nv-ink-2); font-size: 14.5px; line-height: 1.56; }
.principle-executive { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(260px,.85fr); gap: 28px 46px; min-height: 0; padding: 34px 36px; border-top: 3px solid var(--nv-blue); background: linear-gradient(120deg,#fff 0%,var(--nv-blue-soft) 100%); }
.principle-executive .principle-number { border-color: var(--nv-blue); color: var(--nv-blue-text); background: #fff; }
.principle-executive h3 { font-size: clamp(22px,2.4vw,30px); }
.principle-executive-copy p { max-width: 62ch; font-size: 15.5px; }
.decision-ready { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; align-content: start; margin: 0; padding: 0; list-style: none; }
.decision-ready li { position: relative; min-height: 52px; padding: 14px 14px 12px 35px; border: 1px solid #c7d8f6; border-radius: 5px; background: rgba(255,255,255,.82); color: var(--nv-ink); font-size: 13.5px; font-weight: 600; }
.decision-ready li::before { content: ""; position: absolute; left: 14px; top: 19px; width: 9px; height: 9px; border: 2px solid var(--nv-blue); border-radius: 2px; }
.principle-thesis { grid-column: 1 / -1; margin: 0; padding-top: 20px; border-top: 1px solid #c7d8f6; color: var(--nv-navy) !important; font-family: var(--nv-display); font-size: clamp(18px,2.2vw,24px) !important; font-weight: 700; line-height: 1.35 !important; }

/* Lifecycle */
.lifecycle { display: grid; grid-template-columns: 290px minmax(0,1fr); overflow: hidden; border: 1px solid var(--nv-line-strong); border-radius: 8px; background: #fff; }
.lifecycle-tabs { padding: 8px 0; border-right: 1px solid var(--nv-line); background: var(--nv-surface); }
.lifecycle-label { padding: 10px 21px 12px; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.lifecycle-tab { width: 100%; display: flex; align-items: center; gap: 11px; padding: 12px 21px; border: 0; border-left: 3px solid transparent; background: transparent; color: var(--nv-ink-2); text-align: left; cursor: pointer; }
.lifecycle-tab:hover { background: #fff; color: var(--nv-ink); }
.lifecycle-tab[aria-selected="true"] { border-left-color: var(--nv-blue); background: #fff; color: var(--nv-navy); font-weight: 750; }
.lifecycle-tab-human[aria-selected="true"] { border-left-color: var(--nv-orange); color: var(--nv-orange-text); }
.lifecycle-number { width: 16px; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 11px; }
.lifecycle-tab[aria-selected="true"] .lifecycle-number { color: var(--nv-blue-text); }
.lifecycle-human-tag { margin-left: auto; padding: 1px 5px; border: 1px solid #f3c9a4; border-radius: 3px; background: var(--nv-orange-soft); color: var(--nv-orange-text); font-family: var(--nv-mono); font-size: 8px; letter-spacing: .08em; }
.lifecycle-panel { padding: 34px 36px; }
.lifecycle-panel[hidden] { display: none; }
.lifecycle-panel h3 { margin-bottom: 8px; font-size: 25px; }
.lifecycle-panel > p { max-width: 62ch; margin-bottom: 26px; color: var(--nv-ink-2); }
.lifecycle-details { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; margin: 0; }
.lifecycle-details div { padding-top: 12px; border-top: 1px solid var(--nv-line); }
.lifecycle-details dt { margin-bottom: 5px; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.lifecycle-details dd { margin: 0; color: var(--nv-ink); font-size: 14.5px; line-height: 1.5; }
.lifecycle-disclaimer { margin-top: 16px; color: var(--nv-ink-3); font-size: 13px; }

/* Capabilities, audiences */
.capability-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.capability-card { padding: 25px 23px; border: 1px solid var(--nv-line); border-radius: 7px; background: #fff; }
.capability-card h3 { margin-bottom: 12px; font-size: 18px; }
.capability-card p { color: var(--nv-ink-2); font-size: 14.5px; }
.capability-card .capability-control { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--nv-line); color: var(--nv-blue-text); font-weight: 650; }
.audience-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 34px; }
.audience h3 { padding-bottom: 12px; border-bottom: 2px solid var(--nv-navy); font-size: 18px; }
.audience ul { margin: 0; padding: 0; list-style: none; }
.audience li { padding: 10px 0; border-bottom: 1px solid var(--nv-line); color: var(--nv-ink-2); font-size: 14.5px; }

/* Independence */
.independence-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.independence-grid h2 { margin-bottom: 16px; color: #fff; font-size: clamp(28px, 3.2vw, 39px); line-height: 1.14; }
.independence-grid p { color: var(--nv-on-navy-2); font-size: 17px; }
.independence-quote { margin-top: 26px; padding-left: 19px; border-left: 3px solid var(--nv-orange); color: #fff !important; font-family: var(--nv-display); font-size: 22px !important; font-weight: 750; line-height: 1.35; }
.choice-table { overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 7px; }
.choice-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 12px 17px; border-bottom: 1px solid rgba(255,255,255,.13); font-size: 14px; }
.choice-row:last-child { border-bottom: 0; }
.choice-row strong { color: #fff; }
.choice-row span:last-child { color: #9fbcf4; font-family: var(--nv-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.choice-row:first-child { background: rgba(255,255,255,.06); }

/* Trust */
.trust-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: start; }
.authority-stack { margin: 0; padding: 0; list-style: none; font-family: var(--nv-mono); }
.authority-stack li { margin-bottom: 6px; padding: 10px 13px; border: 1px solid var(--nv-line-strong); border-radius: 5px; background: #fff; font-size: 13px; }
.authority-stack li:nth-child(2) { margin-left: 18px; }
.authority-stack li:nth-child(3) { margin-left: 36px; }
.authority-stack li:nth-child(4) { margin-left: 54px; }
.authority-stack li:nth-child(5) { margin-left: 72px; }
.authority-stack li:nth-child(6) { margin-left: 90px; border-color: var(--nv-blue); background: var(--nv-blue-soft); }
.authority-stack span { display: block; color: var(--nv-ink-3); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.control-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 28px; margin: 0; padding: 0; list-style: none; }
.control-list li { position: relative; padding: 10px 0 10px 22px; border-bottom: 1px solid var(--nv-line); color: var(--nv-ink-2); font-size: 14.5px; }
.control-list li::before { content: ""; position: absolute; left: 0; top: 17px; width: 9px; height: 9px; border: 2px solid var(--nv-blue); border-radius: 2px; }
.trust-link { margin-top: 24px; }

/* Use cases */
.usecase-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--nv-line); border-radius: 7px; background: var(--nv-line); }
.usecase { padding: 24px 25px; background: #fff; }
.usecase h3 { margin-bottom: 10px; font-size: 17px; }
.usecase-flow { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; color: var(--nv-ink-2); font-size: 13px; }
.usecase-flow span:not(:last-child)::after { content: "→"; margin-left: 8px; color: var(--nv-ink-3); }
.usecase-flow .human { color: var(--nv-orange-text); font-weight: 750; }

/* RiTek credibility */
.company-strip { padding: 42px 0; border-top: 1px solid var(--nv-line); background: #fff; }
.company-strip-inner { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 32px; align-items: center; }
.company-strip h2 { margin-bottom: 7px; font-size: 24px; }
.company-strip p { max-width: 68ch; color: var(--nv-ink-2); }

/* Final CTA and footer */
.final-cta { padding: 76px 0; background: var(--nv-navy-deep); color: #fff; text-align: center; }
.final-cta h2 { margin-bottom: 16px; font-size: clamp(28px, 3.2vw, 38px); line-height: 1.16; }
.final-cta p { max-width: 62ch; margin: 0 auto 29px; color: var(--nv-on-navy-2); font-size: 17px; }
.final-cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.site-footer { padding: 42px 0 28px; background: var(--nv-navy); color: var(--nv-on-navy-2); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 38px; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.13); }
.footer-grid h2, .footer-grid h3 { margin-bottom: 12px; color: #9fbcf4; font-family: var(--nv-mono); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; }
.footer-grid p { max-width: 48ch; font-size: 14px; }
.footer-grid ul { margin: 0; padding: 0; list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #dce6f7; text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding-top: 21px; color: #91a1bf; font-size: 13px; }

/* Sub-page header */
.subpage-header { background: var(--nv-navy); color: #fff; }
.subpage-header .header-inner { min-height: 62px; }
.back-link { margin-left: auto; color: #dce6f7; text-decoration: none; font-size: 14px; }
.back-link:hover { color: #fff; text-decoration: underline; }
.subpage-hero { padding: 56px 0 50px; border-bottom: 1px solid var(--nv-line); background: linear-gradient(180deg,var(--nv-surface-blue),#fff); }
.subpage-hero h1 { max-width: 25ch; margin-bottom: 15px; font-size: clamp(33px,4vw,46px); line-height: 1.1; }
.subpage-hero p { max-width: 66ch; color: var(--nv-ink-2); font-size: 17.5px; }

/* Forms */
.form-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--nv-surface-blue); }
.form-page main { flex: 1; }
.auth-main { display: flex; justify-content: center; align-items: flex-start; padding: 56px 20px 44px; }
.form-card { width: 100%; border: 1px solid var(--nv-line-strong); border-radius: 8px; background: #fff; box-shadow: var(--nv-shadow); }
.auth-card { width: min(100%, 470px); min-width: 0; }
.form-card-head { padding: 30px 32px 0; }
.form-card-head h1 { margin-bottom: 6px; font-size: 27px; }
.form-card-head p { color: var(--nv-ink-3); font-size: 14.5px; }
.form-body { padding: 24px 32px 30px; }
.field { margin-bottom: 17px; }
.field label, .field-label { display: block; margin-bottom: 6px; color: var(--nv-ink-2); font-size: 13.5px; font-weight: 750; }
.required { color: var(--nv-orange-text); }
/* Residual-3 closeout (WCAG 1.4.11): input boundaries at ~3:1 on white (#8494a9 = 3.09:1, the lightest
   compliant slate). Decorative card borders/dividers keep --nv-line-strong — 1.4.11 covers only interactive
   component boundaries. */
.field input, .field select, .field textarea { width: 100%; padding: 11px 13px; border: 1.5px solid #8494a9; border-radius: 5px; background: #fff; color: var(--nv-ink); font-size: 15.5px; }
.field textarea { min-height: 126px; resize: vertical; line-height: 1.55; }
.field input::placeholder, .field textarea::placeholder { color: #68748a; } /* was #929db0 (2.7:1 on white) — placeholder hints are text and need 4.5:1; stays visibly lighter than the #0b1730 input value */
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--nv-blue); box-shadow: 0 0 0 3px var(--nv-blue-soft); }
.field-help { margin-top: 5px; color: var(--nv-ink-3); font-size: 12.5px; }
.input-with-button { position: relative; }
.input-with-button input { padding-right: 72px; }
.input-action { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); border: 0; background: transparent; color: var(--nv-blue-text); cursor: pointer; font-size: 12.5px; font-weight: 750; }
.form-row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.form-options { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 5px 0 20px; font-size: 14px; }
.check-label { display: flex; gap: 8px; align-items: flex-start; color: var(--nv-ink-2); }
.check-label input { width: auto; margin-top: 4px; accent-color: var(--nv-blue); }
.full-button { width: 100%; }
.form-divider { display: flex; align-items: center; gap: 12px; margin: 21px 0; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.form-divider::before, .form-divider::after { content: ""; flex: 1; height: 1px; background: var(--nv-line); }
.sso-block { padding: 16px; border: 1px solid var(--nv-line); border-radius: 6px; background: var(--nv-surface); }
.sso-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 11px; }
.sso-heading strong { font-size: 14.5px; }
.sso-tag { padding: 2px 7px; border: 1px solid #bfd5fb; border-radius: 3px; background: var(--nv-blue-soft); color: var(--nv-blue-text); font-family: var(--nv-mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.microsoft-mark { width: 16px; height: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.microsoft-mark i:nth-child(1) { background: #f25022; }
.microsoft-mark i:nth-child(2) { background: #7fba00; }
.microsoft-mark i:nth-child(3) { background: #00a4ef; }
.microsoft-mark i:nth-child(4) { background: #ffb900; }
.sso-block .button { white-space: normal; }
.sso-note { margin-top: 10px; color: var(--nv-ink-3); font-size: 12.8px; line-height: 1.5; }
.form-alert { margin-bottom: 20px; padding: 12px 14px; border: 1px solid; border-left-width: 4px; border-radius: 5px; font-size: 14px; }
.form-alert h2, .form-alert h3 { margin-bottom: 3px; font-size: 15px; }
.form-alert-error { border-color: #f0bda9; background: var(--nv-red-soft); color: var(--nv-red-text); }
.form-alert-success { border-color: #b7dcc1; background: var(--nv-green-soft); color: var(--nv-green-text); }
.form-help { margin-top: 21px; padding-top: 16px; border-top: 1px solid var(--nv-line); color: var(--nv-ink-3); font-size: 13.5px; }
.form-help p + p { margin-top: 6px; }
.auth-footer { padding: 0 20px 36px; color: var(--nv-ink-3); text-align: center; font-size: 13px; }
.auth-footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px 18px; margin-bottom: 9px; }
.auth-footer a { color: var(--nv-ink-2); text-decoration: none; }
.auth-footer a:hover { color: var(--nv-blue-text); text-decoration: underline; }

/* Walkthrough */
.walkthrough-body { padding: 60px 0 76px; }
.walkthrough-grid { display: grid; grid-template-columns: minmax(0,1.18fr) minmax(300px,.82fr); gap: 56px; align-items: start; }
.walkthrough-card { padding: 30px 32px; }
.walkthrough-card h2 { margin-bottom: 5px; font-size: 21px; }
.walkthrough-intro { margin-bottom: 23px; color: var(--nv-ink-3); font-size: 14.5px; }
.consent { margin: 3px 0 22px; font-size: 13.5px; line-height: 1.5; }
.honeypot { position: absolute; left: -9999px; }
.form-footnote { margin-top: 15px; color: var(--nv-ink-3); font-size: 13px; }
.walkthrough-aside section { padding: 0 0 26px; margin-bottom: 26px; border-bottom: 1px solid var(--nv-line); }
.walkthrough-aside section:last-child { border-bottom: 0; }
.walkthrough-aside h2 { margin-bottom: 13px; font-size: 17px; }
.next-steps { margin: 0; padding: 0; list-style: none; counter-reset: nvstep; }
.next-steps li { position: relative; padding: 0 0 17px 38px; counter-increment: nvstep; color: var(--nv-ink-2); font-size: 14.5px; }
.next-steps li::before { content: counter(nvstep); position: absolute; left: 0; top: 0; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; background: var(--nv-blue-soft); color: var(--nv-blue-text); font-family: var(--nv-mono); font-size: 12px; font-weight: 750; }
.next-steps strong { display: block; color: var(--nv-ink); }
.ready-list { margin: 0; padding: 0; list-style: none; }
.ready-list li { position: relative; padding: 9px 0 9px 20px; border-bottom: 1px solid var(--nv-line); color: var(--nv-ink-2); font-size: 14.5px; }
.ready-list li::before { content: ""; position: absolute; left: 0; top: 16px; width: 8px; height: 8px; border: 2px solid var(--nv-blue); border-radius: 2px; }
.contact-list { margin: 0; }
.contact-list dt { margin: 13px 0 3px; color: var(--nv-ink-3); font-family: var(--nv-mono); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.contact-list dt:first-child { margin-top: 0; }
.contact-list dd { margin: 0; color: var(--nv-ink-2); font-size: 14.5px; }

/* Responsive */
@media (max-width: 1080px) {
  .primary-nav, .header-actions { display: none; }
  .menu-button { display: inline-flex; }
  .primary-nav.is-open { position: fixed; inset: 68px 0 auto; max-height: calc(100vh - 68px); overflow: auto; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 24px 24px; background: var(--nv-navy-deep); border-bottom: 1px solid rgba(255,255,255,.16); box-shadow: 0 18px 35px rgba(0,0,0,.25); }
  .primary-nav.is-open a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .primary-nav.is-open .mobile-only-action { display: block; margin-top: 12px; border-bottom: 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; padding-block: 56px; }
  .problem-grid, .independence-grid, .trust-grid { grid-template-columns: 1fr; gap: 38px; }
  .principles-grid, .capability-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .principle-executive { grid-column: 1 / -1; grid-template-columns: 1fr; }
  .decision-ready { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .lifecycle { grid-template-columns: 1fr; }
  .lifecycle-tabs { display: flex; overflow-x: auto; padding: 0; border-right: 0; border-bottom: 1px solid var(--nv-line); }
  .lifecycle-label { display: none; }
  .lifecycle-tab { flex: 0 0 auto; width: auto; white-space: nowrap; padding: 14px 16px; border-left: 0; border-bottom: 3px solid transparent; }
  .lifecycle-tab[aria-selected="true"] { border-left: 0; border-bottom-color: var(--nv-blue); }
  .lifecycle-tab-human[aria-selected="true"] { border-bottom-color: var(--nv-orange); }
  .lifecycle-human-tag { display: none; }
  .walkthrough-grid { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 760px) {
  .wrap { width: min(100% - 40px, var(--nv-max)); }
  .section { padding: 58px 0; }
  .header-inner { min-height: 62px; }
  .primary-nav.is-open { inset-block-start: 62px; max-height: calc(100vh - 62px); }
  .brand { font-size: 17px; }
  .hero-grid { padding-block: 46px 50px; }
  .hero h1 { font-size: 36px; }
  .assurance-list { grid-template-columns: 1fr; }
  .run-list li { grid-template-columns: 22px minmax(0,1fr); }
  .run-list .status { grid-column: 2; justify-self: start; margin-top: -4px; }
  .principles-grid, .capability-grid, .audience-grid, .usecase-grid { grid-template-columns: 1fr; }
  .principle { min-height: auto; }
  .principle-executive { grid-column: auto; padding: 28px 22px; }
  .decision-ready { grid-template-columns: 1fr 1fr; }
  .lifecycle-panel { padding: 26px 22px; }
  .lifecycle-details { grid-template-columns: 1fr; }
  .control-list { grid-template-columns: 1fr; }
  .authority-stack li { margin-left: 0 !important; }
  .company-strip-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-card-head, .form-body { padding-left: 22px; padding-right: 22px; }
  .walkthrough-card { padding: 25px 22px; }
  .subpage-header .brand-mark { display: none; }
  .back-link { font-size: 13px; }
}

@media (max-width: 420px) {
  .wrap { width: min(100% - 32px, var(--nv-max)); }
  .hero h1 { font-size: 33px; }
  .hero-actions .button { width: 100%; }
  .run-card-head, .run-list li, .artifact-preview, .run-card-foot { padding-inline: 15px; }
  .final-cta-actions .button { width: 100%; }
  .form-options { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width:460px){
  .decision-ready{grid-template-columns:1fr}
  .principle-number{top:18px;right:18px}
}