:root {
  --navy-950: #0a1428;
  --navy-900: #0e1a33;
  --navy-800: #16264a;
  --navy-700: #22386a;
  --blue: #1f5fa8;
  --blue-bright: #5aa9ec;
  --ink: #111a2c;
  --muted: #55607a;
  --line: #dde2ea;
  --bg: #ffffff;
  --bg-alt: #f3f5f9;
  --on-dark: #e8edf5;
  --on-dark-muted: #a9b5c9;

  --font-display: 'General Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Switzer', 'Helvetica Neue', Arial, sans-serif;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.12vw, 0.9375rem);
  --text-base: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --text-xl: clamp(1.875rem, 1.4rem + 1.6vw, 2.75rem);
  --text-hero: clamp(2.5rem, 1.5rem + 4.2vw, 5rem);

  --space-section: clamp(4rem, 8vw, 7.5rem);
  --radius: 6px;
  --wrap: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: var(--text-base); line-height: 1.6; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); text-wrap: balance; }
h1 { font-size: var(--text-hero); font-weight: 600; line-height: 1.02; letter-spacing: -0.03em; }
h2 { font-size: var(--text-xl); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
h3 { font-size: var(--text-lg); font-weight: 600; line-height: 1.3; letter-spacing: -0.005em; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--blue-bright); outline-offset: 3px; border-radius: 3px; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--navy-900); color: #fff; padding: .75rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; top: 1rem; }

.eyebrow { font-size: var(--text-xs); font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 1rem; }
.eyebrow-light { color: var(--blue-bright); }
.body-muted { color: var(--muted); margin-top: 1.25rem; max-width: 36rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; font: 600 var(--text-sm)/1 var(--font-body); padding: 1rem 1.6rem; background: var(--navy-900); color: #fff; border: 1px solid transparent; border-radius: var(--radius); text-decoration: none; cursor: pointer; transition: background .2s, border-color .2s, color .2s; }
.btn:hover { background: var(--navy-700); }
.btn-small { padding: .75rem 1.15rem; }
.btn-accent { background: var(--blue); }
.btn-accent:hover { background: #1a5292; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.text-link { display: inline-block; margin-top: 1.5rem; font-size: var(--text-sm); font-weight: 600; color: var(--blue); text-decoration: none; }
.text-link::after { content: " \2192"; transition: margin .2s; }
.text-link:hover::after { margin-left: 4px; }

/* Utility + header */
.utility { background: var(--navy-950); color: var(--on-dark-muted); font-size: var(--text-xs); }
.utility-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 38px; }
.utility a { color: #fff; font-weight: 600; text-decoration: none; white-space: nowrap; }
.utility a:hover { color: var(--blue-bright); }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.wordmark { display: inline-flex; align-items: baseline; gap: .5rem; text-decoration: none; color: var(--navy-900); font-family: var(--font-display); line-height: 1; }
.wm-a { font-weight: 700; font-size: 1.35rem; letter-spacing: .08em; }
.wm-b { font-weight: 500; font-size: .8rem; letter-spacing: .32em; color: var(--blue); }
.wordmark-light { color: #fff; }
.wordmark-light .wm-b { color: var(--blue-bright); }
.nav { display: flex; align-items: center; gap: 2.1rem; }
.nav a:not(.btn) { font-size: var(--text-sm); font-weight: 500; text-decoration: none; color: var(--ink); padding: .5rem 0; border-bottom: 2px solid transparent; }
.nav a:not(.btn):hover, .nav a[aria-current="page"] { border-bottom-color: var(--blue); }
.nav-toggle { display: none; }

/* Hero */
.hero { position: relative; color: #fff; min-height: min(86vh, 820px); display: flex; align-items: flex-end; overflow: hidden; background: var(--navy-900); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,20,40,.92) 0%, rgba(10,20,40,.72) 45%, rgba(10,20,40,.25) 100%), linear-gradient(0deg, rgba(10,20,40,.7) 0%, transparent 45%); }
.hero-inner { position: relative; padding: clamp(6rem, 14vw, 10rem) 0 clamp(7rem, 12vw, 9rem); }
.hero h1 { max-width: 15ch; }
.lede { margin-top: 1.5rem; font-size: var(--text-lg); line-height: 1.55; color: var(--on-dark); max-width: 40rem; }
.hero-actions { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }

/* Audience strip */
.aud-strip { position: relative; z-index: 2; margin-top: -4.5rem; }
.aud-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; box-shadow: 0 24px 60px -24px rgba(14,26,51,.35); border-radius: var(--radius); overflow: hidden; }
.aud-card { display: flex; flex-direction: column; gap: .6rem; padding: 2rem 1.75rem; text-decoration: none; border-right: 1px solid var(--line); transition: background .2s; }
.aud-card:last-child { border-right: 0; }
.aud-card:hover { background: var(--bg-alt); }
.aud-num { font-size: var(--text-xs); font-weight: 600; color: var(--blue); letter-spacing: .1em; }
.aud-card p { font-size: var(--text-sm); color: var(--muted); }
.aud-link { margin-top: auto; padding-top: .75rem; font-size: var(--text-sm); font-weight: 600; color: var(--blue); }
.aud-link::after { content: " \2192"; }

/* Sections */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head p:not(.eyebrow) { margin-top: 1.25rem; color: var(--muted); }

.cycle { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cycle article { border-top: 3px solid var(--navy-900); padding: 2rem 0 0; }
.cycle-tag { display: inline-block; font-size: var(--text-xs); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); margin-bottom: .75rem; }
.cycle ul { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .65rem; color: var(--muted); }
.cycle li { padding-left: 1.1rem; position: relative; }
.cycle li::before { content: ""; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; background: var(--blue); }

.feature { background: var(--navy-900); color: #fff; padding: var(--space-section) 0; }
.feature-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.feature-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.checks { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.25rem; }
.checks li { padding-left: 2rem; position: relative; color: var(--on-dark-muted); }
.checks li strong { color: #fff; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 14px; height: 8px; border-left: 2px solid var(--blue-bright); border-bottom: 2px solid var(--blue-bright); transform: rotate(-45deg); }
.checks-plain li { color: var(--ink); }
.checks-plain li::before { border-color: var(--blue); }

.models { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.models > div { background: #fff; padding: 2rem 1.75rem; }
.models p { margin-top: .6rem; color: var(--muted); font-size: var(--text-sm); }

.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.kpis { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); }
.kpis div { padding: 1.4rem 1rem 1.4rem 0; border-bottom: 1px solid var(--line); }
.kpis dt { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; color: var(--navy-900); }
.kpis dd { margin: .3rem 0 0; color: var(--muted); font-size: var(--text-sm); }

/* CTA band + footer */
.cta-band { background: var(--blue); color: #fff; padding: clamp(3rem, 6vw, 4.5rem) 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.cta-inner p { margin-top: .75rem; color: #dbe8f7; max-width: 38rem; }
.cta-band .btn-accent { background: #fff; color: var(--navy-900); }
.cta-band .btn-accent:hover { background: var(--bg-alt); }
.site-footer { background: var(--navy-950); color: var(--on-dark-muted); padding: clamp(3.5rem, 6vw, 5rem) 0 2rem; font-size: var(--text-sm); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-brand p { margin-top: 1.25rem; max-width: 22rem; }
.site-footer h3 { font-size: var(--text-xs); letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.site-footer ul a { text-decoration: none; }
.site-footer ul a:hover { color: #fff; }
.footer-base { margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: var(--text-xs); }

/* Interior pages */
.page-hero { background: var(--navy-900) radial-gradient(120% 140% at 100% 0%, var(--navy-700) 0%, transparent 55%); color: #fff; padding: clamp(4.5rem, 10vw, 7.5rem) 0 clamp(4rem, 8vw, 6rem); }
.page-hero h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 4rem); max-width: 20ch; }
.page-hero-short h1 { max-width: none; }
.subnav { position: sticky; top: 76px; z-index: 40; background: #fff; border-bottom: 1px solid var(--line); }
.subnav .wrap { display: flex; gap: 2rem; overflow-x: auto; scrollbar-width: none; }
.subnav a { flex: none; padding: 1rem 0; font-size: var(--text-sm); font-weight: 500; text-decoration: none; color: var(--muted); }
.subnav a:hover { color: var(--blue); }
.svc-block + .svc-block { border-top: 1px solid var(--line); }
.svc-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(2rem, 6vw, 6rem); }
.svc-head { position: sticky; top: 150px; align-self: start; }
.svc-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 2.5rem; }
.svc-item { border-top: 1px solid var(--line); padding-top: 1.25rem; }
.svc-item p { margin-top: .5rem; color: var(--muted); font-size: var(--text-sm); }

.org-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.org-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.org-flip .org-grid img { order: 2; }
.org-noimg { grid-template-columns: 1fr; max-width: 48rem; margin-inline: auto; }
.org .checks { margin-top: 1.75rem; }

.plat-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.plat-grid li { background: #fff; padding: 1.4rem 1.25rem; font-family: var(--font-display); font-weight: 600; color: var(--navy-900); font-size: var(--text-base); }
.plat-grid .plat-more { font-family: var(--font-body); font-weight: 500; color: var(--muted); font-size: var(--text-sm); }
.plat-more a { color: var(--blue); font-weight: 600; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: s; }
.steps li { counter-increment: s; border-top: 3px solid var(--navy-900); padding-top: 1.25rem; }
.steps li::before { content: counter(s, decimal-leading-zero); display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.75rem; color: var(--blue); margin-bottom: .75rem; line-height: 1; }
.steps p { margin-top: .5rem; color: var(--muted); font-size: var(--text-sm); }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem 3rem; }
.pillars > div { border-left: 3px solid var(--blue); padding-left: 1.25rem; }
.pillars p { margin-top: .5rem; color: var(--muted); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: .45rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.field label { font-size: var(--text-sm); font-weight: 600; }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 1rem; color: var(--ink); padding: .85rem 1rem; background: #fff; border: 1px solid #c7cfdb; border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.field textarea { resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.5rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,95,168,.15); }
.field [aria-invalid="true"] { border-color: #c2412d; }
.form .btn { justify-self: start; margin-top: .5rem; }
.form-status { font-size: var(--text-sm); min-height: 1.5em; color: var(--blue); }
.form-status.error { color: #c2412d; }
.contact-aside { background: var(--bg-alt); border-radius: var(--radius); padding: 2rem; position: sticky; top: 110px; }
.contact-aside h2 { font-size: var(--text-lg); }
.mini-steps { margin: 1.25rem 0 0; padding-left: 1.25rem; display: grid; gap: .75rem; color: var(--muted); }
.notice { margin-top: 1.75rem; padding: 1rem 1.25rem; background: #fff; border-left: 3px solid var(--blue); font-size: var(--text-sm); color: var(--muted); }
.notice strong { color: var(--ink); }

/* Responsive */
@media (max-width: 1080px) {
  .aud-grid { grid-template-columns: repeat(2, 1fr); }
  .aud-card:nth-child(2) { border-right: 0; }
  .aud-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .models { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; padding: 10px; }
  .nav-toggle span { display: block; height: 2px; background: var(--navy-900); border-radius: 2px; transition: transform .2s; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav { position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: .5rem 1.25rem 1.25rem; display: none; box-shadow: 0 20px 30px -20px rgba(14,26,51,.3); }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: .95rem 0; border-bottom: 1px solid var(--line); font-size: var(--text-base); }
  .nav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--line); }
  .nav .btn { margin-top: 1rem; }
  .feature-grid, .split, .svc-grid, .org-grid, .contact-grid { grid-template-columns: 1fr; }
  .org-flip .org-grid img { order: 0; }
  .svc-head, .contact-aside { position: static; }
  .cycle, .steps { grid-template-columns: 1fr 1fr; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .plat-grid { grid-template-columns: repeat(2, 1fr); }
  .utility-inner span { display: none; }
  .utility-inner { justify-content: flex-end; }
}
@media (max-width: 640px) {
  .aud-strip { margin-top: -2.5rem; }
  .aud-grid, .models, .cycle, .steps, .pillars, .svc-items, .kpis, .field-row, .footer-grid { grid-template-columns: 1fr; }
  .aud-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .aud-card:last-child { border-bottom: 0; }
  .hero-shade { background: linear-gradient(0deg, rgba(10,20,40,.95) 0%, rgba(10,20,40,.75) 60%, rgba(10,20,40,.5) 100%); }
  .hero-inner { padding: 5rem 0 6rem; }
  .wm-a { font-size: 1.15rem; }
  .wm-b { font-size: .7rem; letter-spacing: .26em; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }