:root {
  --navy-1000: #041126;
  --navy-950: #071a35;
  --navy-900: #0a2244;
  --navy-800: #12345f;
  --blue-700: #135fc1;
  --blue-600: #1c78e8;
  --blue-500: #378bff;
  --cyan-500: #35d2f4;
  --cyan-300: #78e7fb;
  --ink: #13243a;
  --ink-soft: #334862;
  --muted: #66778b;
  --line: #dce5ee;
  --line-dark: rgba(137, 196, 255, 0.2);
  --surface: #ffffff;
  --surface-soft: #f5f8fb;
  --surface-blue: #eef7fd;
  --shadow-sm: 0 8px 22px rgba(8, 31, 61, 0.08);
  --shadow-md: 0 20px 55px rgba(8, 31, 61, 0.13);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --container: 1180px;
  --header-height: 80px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--surface);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
::selection { background: rgba(53, 210, 244, 0.28); color: var(--navy-950); }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); font-weight: 720; line-height: 1.12; letter-spacing: -0.035em; }
h1 { font-size: clamp(2.75rem, 6.1vw, 5.25rem); }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.02em; }
p { margin-bottom: 1.2rem; }
ul, ol { margin-top: 0; }

.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.container--article { max-width: 980px; }
.section { padding: 104px 0; }
.section--muted { background: var(--surface-soft); }
.section--dark { color: #d9e8f8; background: var(--navy-950); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #b8cce2; }

.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;
  z-index: 999;
  top: 10px;
  left: 10px;
  transform: translateY(-180%);
  padding: 10px 14px;
  color: var(--navy-950);
  background: #fff;
  border-radius: 8px;
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--header-height);
  color: #fff;
  background: rgba(7, 26, 53, 0.94);
  border-bottom: 1px solid rgba(126, 202, 255, 0.14);
  backdrop-filter: blur(16px);
  transition: box-shadow 180ms ease, background 180ms ease;
}
.site-header.is-scrolled { background: rgba(5, 20, 42, 0.98); box-shadow: 0 12px 30px rgba(1, 10, 24, 0.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-height); gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 250px; color: #fff; text-decoration: none; }
.brand-mark { width: 62px; height: auto; flex: 0 0 auto; }
.brand-copy { display: grid; gap: 1px; line-height: 1.1; }
.brand-copy strong { color: #fff; font-size: 1rem; letter-spacing: -0.015em; }
.brand-copy span { color: #8fcbe9; font-size: 0.68rem; letter-spacing: 0.11em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: 22px; }
.primary-nav ul { display: flex; align-items: center; gap: 25px; margin: 0; padding: 0; list-style: none; }
.primary-nav a:not(.button) { position: relative; color: #d9e9f8; font-size: 0.91rem; font-weight: 650; text-decoration: none; }
.primary-nav a:not(.button)::after { content: ""; position: absolute; right: 0; bottom: -10px; left: 0; height: 2px; transform: scaleX(0); background: var(--cyan-500); transform-origin: left; transition: transform 180ms ease; }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: #fff; }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; background: transparent; border: 1px solid rgba(255,255,255,.22); border-radius: 10px; }
.nav-toggle span:not(.sr-only) { display: block; width: 100%; height: 2px; margin: 4px 0; background: #fff; border-radius: 3px; transition: transform 180ms ease, opacity 180ms ease; }

/* Buttons and links */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  color: var(--navy-950);
  background: linear-gradient(135deg, var(--cyan-300), var(--cyan-500));
  border: 1px solid transparent;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(23, 173, 222, 0.18);
  font-weight: 760;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(23, 173, 222, 0.26); }
.button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid rgba(53, 210, 244, 0.5); outline-offset: 3px; }
.button--small { min-height: 40px; padding: 0 16px; font-size: .88rem; }
.button--secondary { color: #fff; background: transparent; border-color: rgba(155, 210, 255, 0.4); box-shadow: none; }
.button--secondary:hover { background: rgba(255,255,255,.06); box-shadow: none; }
.button--outline { color: var(--navy-900); background: transparent; border-color: #a8c2dc; box-shadow: none; }
.button--outline:hover { background: var(--surface-blue); box-shadow: none; }
.button--light { color: var(--navy-950); background: #fff; box-shadow: 0 14px 36px rgba(0, 19, 45, .2); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-700); font-weight: 750; text-decoration: none; }
.text-link span { transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(4px); }
.back-link { display: inline-flex; margin-bottom: 32px; color: var(--cyan-300); font-weight: 700; text-decoration: none; }

/* Labels and headings */
.eyebrow { margin-bottom: 18px; color: var(--cyan-300); font-size: .77rem; font-weight: 820; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow--dark { color: var(--blue-700); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.section-heading h2 { max-width: 820px; margin-bottom: 0; }
.section-heading--light h2 { color: #fff; }
.split-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.split-intro h2 { margin-bottom: 0; }
.prose-lead { padding-top: 34px; color: var(--ink-soft); font-size: 1.2rem; }
.prose-lead p:last-child { margin-bottom: 0; }

/* Home hero */
.hero { position: relative; overflow: hidden; color: #fff; background: var(--navy-950); }
.hero::before { content: ""; position: absolute; inset: -200px -220px auto auto; width: 650px; height: 650px; background: radial-gradient(circle, rgba(25, 135, 235, .28), transparent 67%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: auto auto -260px -190px; width: 600px; height: 600px; background: radial-gradient(circle, rgba(53, 210, 244, .12), transparent 65%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr); gap: 65px; align-items: center; min-height: 675px; padding-top: 80px; padding-bottom: 86px; }
.hero-copy h1 { max-width: 820px; margin-bottom: 28px; color: #fff; font-size: clamp(3.1rem, 5.4vw, 5.55rem); }
.hero-lead { max-width: 760px; margin-bottom: 34px; color: #bdd3e8; font-size: clamp(1.12rem, 1.8vw, 1.35rem); line-height: 1.58; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 38px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 0; padding: 0; color: #9cc1de; font-size: .85rem; font-weight: 660; letter-spacing: .04em; list-style: none; }
.hero-proof li { position: relative; padding-left: 15px; }
.hero-proof li::before { content: ""; position: absolute; top: .7em; left: 0; width: 5px; height: 5px; background: var(--cyan-500); border-radius: 50%; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 12% 9%; background: radial-gradient(circle, rgba(46, 171, 255, .21), transparent 68%); filter: blur(20px); }
.hero-visual img { position: relative; width: 100%; filter: drop-shadow(0 26px 52px rgba(0, 7, 21, .32)); }

.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid > div { min-height: 128px; padding: 28px 28px; border-right: 1px solid var(--line); }
.trust-grid > div:first-child { border-left: 1px solid var(--line); }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { margin-bottom: 7px; color: var(--navy-900); font-size: .95rem; }
.trust-grid span { color: var(--muted); font-size: .84rem; line-height: 1.55; }

/* Cards */
.card-grid { display: grid; gap: 20px; }
.card-grid--three { grid-template-columns: repeat(3, 1fr); }
.card-grid--services { grid-template-columns: repeat(8, minmax(0, 1fr)); }
.card-grid--services .service-card { grid-column: span 2; }
.card-grid--services .service-card:nth-child(5) { grid-column: 2 / span 2; }
.card-grid--services .service-card:nth-child(6) { grid-column: 4 / span 2; }
.card-grid--services .service-card:nth-child(7) { grid-column: 6 / span 2; }
.service-card, .plain-card {
  position: relative;
  min-height: 290px;
  padding: 31px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 26px rgba(6, 34, 67, .04);
  transition: transform 170ms ease, box-shadow 170ms ease, border-color 170ms ease;
}
.service-card::after { content: ""; position: absolute; right: -55px; bottom: -55px; width: 130px; height: 130px; border: 1px solid rgba(35, 137, 235, .12); border-radius: 50%; }
.service-card:hover { transform: translateY(-5px); border-color: #b9d7ec; box-shadow: var(--shadow-sm); }
.card-index { display: block; margin-bottom: 36px; color: var(--blue-600); font-size: .73rem; font-weight: 850; letter-spacing: .14em; }
.service-card h3 { max-width: 300px; margin-bottom: 14px; font-size: 1.32rem; }
.service-card p, .plain-card p { color: var(--muted); font-size: .94rem; }
.service-card a { position: absolute; bottom: 28px; left: 31px; color: var(--blue-700); font-size: .88rem; font-weight: 760; text-decoration: none; }
.plain-card { min-height: 205px; }
.plain-card h3 { margin-bottom: 14px; }

/* Features */
.feature-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.feature-copy p:not(.eyebrow) { max-width: 590px; color: var(--muted); font-size: 1.05rem; }
.principle-list { border-top: 1px solid var(--line); }
.principle-list > div { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.principle-list > div > span { color: var(--blue-600); font-size: .72rem; font-weight: 850; letter-spacing: .11em; }
.principle-list h3 { margin-bottom: 6px; }
.principle-list p { margin: 0; color: var(--muted); font-size: .91rem; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.process-grid li { min-height: 230px; padding: 28px; background: rgba(255,255,255,.035); border: 1px solid var(--line-dark); border-radius: var(--radius-md); }
.process-grid li > span { display: grid; width: 38px; height: 38px; margin-bottom: 42px; place-items: center; color: var(--navy-950); background: var(--cyan-500); border-radius: 50%; font-size: .8rem; font-weight: 850; }
.process-grid h3 { margin-bottom: 10px; }
.process-grid p { margin: 0; font-size: .9rem; }

.about-teaser { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: start; }
.about-teaser > div:last-child { padding-top: 38px; color: var(--ink-soft); font-size: 1.12rem; }

.insight-feature { display: grid; grid-template-columns: 250px 1fr; gap: 44px; align-items: center; padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.insight-visual { display: grid; min-height: 205px; place-items: center; align-content: center; color: #fff; background: radial-gradient(circle at 30% 20%, #1e82df, var(--navy-900) 70%); border-radius: var(--radius-md); }
.insight-visual span { font-size: 4.1rem; font-weight: 760; line-height: 1; }
.insight-visual small { color: var(--cyan-300); font-size: .7rem; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
.article-meta { margin-bottom: 12px; color: var(--blue-700); font-size: .75rem; font-weight: 820; letter-spacing: .1em; text-transform: uppercase; }
.insight-feature h3 { max-width: 760px; margin-bottom: 13px; font-size: clamp(1.7rem, 3vw, 2.55rem); }
.insight-feature h3 a { text-decoration: none; }
.insight-feature p:not(.article-meta) { max-width: 720px; color: var(--muted); }

.cta-section { color: #fff; background: linear-gradient(120deg, #0a2b55, #0c5f9f); }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 70px; align-items: center; min-height: 330px; padding-top: 70px; padding-bottom: 70px; }
.cta-inner h2 { max-width: 820px; margin-bottom: 14px; color: #fff; }
.cta-inner p:not(.eyebrow) { max-width: 760px; margin: 0; color: #c9e0f2; }

/* Page hero */
.page-hero { position: relative; overflow: hidden; color: #fff; background: var(--navy-950); }
.page-hero::before { content: ""; position: absolute; inset: -280px -110px auto auto; width: 600px; height: 600px; background: radial-gradient(circle, rgba(49, 138, 255, .22), transparent 65%); }
.page-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 90px; align-items: end; min-height: 500px; padding-top: 110px; padding-bottom: 80px; }
.page-hero h1 { max-width: 850px; margin-bottom: 24px; color: #fff; font-size: clamp(2.75rem, 5vw, 4.7rem); }
.page-hero p:not(.eyebrow) { max-width: 780px; margin-bottom: 0; color: #bad0e5; font-size: 1.16rem; }
.page-hero-note { display: grid; gap: 12px; padding: 28px; background: rgba(255,255,255,.035); border: 1px solid rgba(118,197,255,.2); border-radius: var(--radius-md); }
.page-hero-note strong { margin-bottom: 5px; color: #fff; }
.page-hero-note span, .page-hero-note a { color: #a9c8e2; font-size: .9rem; text-decoration: none; }
.page-hero-note span::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 10px; background: var(--cyan-500); border-radius: 50%; vertical-align: .1em; }

/* Services */
.service-detail-list { display: grid; gap: 0; }
.service-detail { display: grid; grid-template-columns: 90px 1fr; gap: 34px; padding: 75px 0; border-bottom: 1px solid var(--line); }
.service-detail:first-child { padding-top: 0; }
.service-detail:last-child { padding-bottom: 0; border-bottom: 0; }
.service-number { display: grid; width: 58px; height: 58px; place-items: center; color: var(--blue-700); background: var(--surface-blue); border: 1px solid #c9e2f2; border-radius: 50%; font-size: .78rem; font-weight: 850; }
.service-detail h2 { max-width: 900px; margin-bottom: 18px; }
.service-detail > div:last-child > p:not(.eyebrow) { max-width: 900px; color: var(--muted); font-size: 1.08rem; }
.detail-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; margin-top: 35px; }
.detail-columns h3 { margin-bottom: 16px; font-size: 1rem; letter-spacing: 0; }
.check-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 23px; color: var(--ink-soft); font-size: .93rem; }
.check-list li::before { content: ""; position: absolute; top: .67em; left: 0; width: 8px; height: 5px; transform: rotate(-45deg); border-bottom: 2px solid var(--blue-600); border-left: 2px solid var(--blue-600); }
.scope-note { margin: 24px 0 0; padding: 15px 17px; color: var(--ink-soft); background: var(--surface-blue); border-left: 3px solid var(--blue-600); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .86rem; line-height: 1.55; }
.scope-note strong { color: var(--navy-900); }
.fit-grid { display: grid; grid-template-columns: 330px 1fr; gap: 60px; align-items: start; }
.fit-grid .card-grid { grid-template-columns: repeat(3, 1fr); }

/* Cloud networking */
.page-hero--diagram .page-hero-grid { align-items: center; }
.mini-topology { position: relative; width: 330px; max-width: 100%; min-height: 305px; margin-left: auto; margin-right: 0; }
.topology-node { position: absolute; z-index: 1; display: grid; width: 100px; min-height: 62px; place-items: center; padding: 8px; color: #dff8ff; background: rgba(11, 49, 87, .94); border: 1px solid rgba(80, 216, 255, .58); border-radius: 12px; box-shadow: 0 0 28px rgba(44, 173, 236, .12); font-size: .78rem; font-weight: 730; line-height: 1.25; text-align: center; }
.topology-node--core { top: 118px; left: 111px; width: 108px; min-height: 74px; color: #fff; background: linear-gradient(145deg, #0d4f8b, #0b284d); }
.topology-node--cloud { top: 10px; left: 10px; }
.topology-node--dc { top: 10px; right: 10px; }
.topology-node--users { bottom: 0; left: 10px; }
.topology-node--saas { right: 10px; bottom: 0; }
.mini-topology .line { position: absolute; z-index: 0; height: 1px; background: #3bbedd; transform-origin: left center; }
.l1 { top: 41px; left: 60px; width: 154.97px; transform: rotate(47.35deg); }
.l2 { top: 155px; left: 165px; width: 154.97px; transform: rotate(-47.35deg); }
.l3 { top: 274px; left: 60px; width: 158.71px; transform: rotate(-48.57deg); }
.l4 { top: 155px; left: 165px; width: 158.71px; transform: rotate(48.57deg); }
.domain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.domain-grid article { min-height: 245px; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.domain-grid span, .value-grid span { display: block; margin-bottom: 35px; color: var(--blue-600); font-size: .72rem; font-weight: 850; letter-spacing: .13em; }
.domain-grid h3 { margin-bottom: 10px; }
.domain-grid p { margin: 0; color: var(--muted); font-size: .9rem; }
.question-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 85px; }
.question-list { border-top: 1px solid var(--line); }
.question-list > div { display: grid; grid-template-columns: 230px 1fr; gap: 28px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.question-list strong { color: var(--navy-900); }
.question-list span { color: var(--muted); }
.signal-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.signal-grid > div { padding: 28px; background: rgba(255,255,255,.04); border: 1px solid var(--line-dark); border-radius: var(--radius-md); }
.signal-grid p { margin-bottom: 0; font-size: .91rem; }
.document-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.document-grid > div:first-child > p:not(.eyebrow) { color: var(--muted); }
.document-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.document-stack > div { display: grid; min-height: 155px; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: 0 8px 28px rgba(8, 37, 72, .05); }
.document-stack span { color: var(--blue-600); font-size: .7rem; font-weight: 850; letter-spacing: .12em; }
.document-stack strong { align-self: end; margin-bottom: 4px; }
.document-stack small { color: var(--muted); }

/* About */
.about-story { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.prose { color: var(--ink-soft); font-size: 1.08rem; }
.prose p:last-child { margin-bottom: 0; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-grid article { min-height: 245px; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.value-grid p { margin-bottom: 0; color: var(--muted); font-size: .91rem; }
.audience-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.audience-grid > div:first-child > p:not(.eyebrow) { color: var(--muted); }
.audience-list { border-top: 1px solid var(--line); }
.audience-list > div { display: grid; grid-template-columns: 220px 1fr; gap: 35px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.audience-list span { color: var(--muted); }

/* Insights */
.insights-list { display: grid; gap: 26px; }
.insight-card { display: grid; grid-template-columns: 210px 1fr; gap: 38px; align-items: center; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); transition: box-shadow 170ms ease, transform 170ms ease; }
.insight-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.insight-card-visual { display: grid; min-height: 170px; place-items: center; color: #fff; background: linear-gradient(145deg, #11396a, #071a35); border: 1px solid #1d5489; border-radius: var(--radius-md); }
.insight-card-visual span { color: var(--cyan-300); font-size: 2.8rem; font-weight: 760; }
.insight-card h2 { max-width: 800px; margin-bottom: 12px; font-size: clamp(1.55rem, 2.8vw, 2.3rem); }
.insight-card h2 a { text-decoration: none; }
.insight-card p:not(.article-meta) { max-width: 780px; color: var(--muted); }
.editorial-note { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; align-items: center; }
.editorial-note p:last-child { color: var(--ink-soft); font-size: 1.08rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: start; }
.contact-copy { position: sticky; top: 120px; }
.contact-copy > p:not(.eyebrow) { color: var(--muted); }
.response-note { margin-top: 34px; padding: 24px; background: var(--surface-blue); border: 1px solid #c9e2f2; border-radius: var(--radius-md); }
.response-note strong { display: block; margin-bottom: 6px; }
.response-note p { margin: 0; color: var(--muted); font-size: .91rem; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 36px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.form-row { display: grid; gap: 8px; }
.form-row--full { grid-column: 1 / -1; }
.form-row--honeypot { position: absolute; left: -10000px; }
.form-row label { color: var(--navy-900); font-size: .86rem; font-weight: 720; }
.form-row input, .form-row select, .form-row textarea { width: 100%; color: var(--ink); background: #fbfdff; border: 1px solid #bfcddd; border-radius: 9px; }
.form-row input, .form-row select { min-height: 50px; padding: 0 14px; }
.form-row textarea { resize: vertical; min-height: 170px; padding: 13px 14px; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--blue-600); box-shadow: 0 0 0 4px rgba(28, 120, 232, .1); outline: 0; }
.form-footer { display: flex; grid-column: 1 / -1; align-items: center; justify-content: space-between; gap: 30px; padding-top: 8px; }
.form-footer p { max-width: 470px; margin: 0; color: var(--muted); font-size: .78rem; }
.form-status { grid-column: 1 / -1; margin: 0; color: var(--blue-700); font-size: .85rem; font-weight: 700; }
.contact-expectations { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-expectations > div { padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.contact-expectations span { display: block; margin-bottom: 30px; color: var(--blue-600); font-size: .72rem; font-weight: 850; }
.contact-expectations p { margin: 0; color: var(--muted); font-size: .9rem; }

/* Articles */
.article-header { color: #fff; background: var(--navy-950); }
.article-header .container { padding-top: 100px; padding-bottom: 76px; }
.article-header h1 { max-width: 930px; margin-bottom: 26px; color: #fff; font-size: clamp(2.75rem, 5.2vw, 4.9rem); }
.article-header .article-meta { color: var(--cyan-300); }
.article-deck { max-width: 790px; margin-bottom: 0; color: #bcd2e6; font-size: 1.2rem; }
.article-layout { display: grid; grid-template-columns: 205px minmax(0, 690px); gap: 75px; align-items: start; padding-top: 80px; padding-bottom: 110px; }
.article-toc { position: sticky; top: 120px; display: grid; gap: 9px; padding: 20px 0; border-top: 2px solid var(--blue-600); border-bottom: 1px solid var(--line); }
.article-toc strong { margin-bottom: 5px; font-size: .82rem; }
.article-toc a { color: var(--muted); font-size: .78rem; text-decoration: none; }
.article-toc a:hover { color: var(--blue-700); }
.article-body { color: var(--ink-soft); font-size: 1.04rem; }
.article-body h2 { margin-top: 58px; margin-bottom: 16px; color: var(--ink); font-size: clamp(1.65rem, 3vw, 2.3rem); }
.article-body p { margin-bottom: 1.35rem; }
.article-intro { color: var(--ink); font-size: 1.23rem; line-height: 1.65; }
.article-callout { margin: 42px 0; padding: 26px 28px; background: var(--surface-blue); border: 1px solid #c6e1f1; border-left: 4px solid var(--blue-600); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.article-callout strong { display: block; margin-bottom: 6px; color: var(--navy-900); }
.article-callout p { margin: 0; }
.article-cta { margin-top: 70px; padding: 38px; color: #d8eafb; background: var(--navy-950); border-radius: var(--radius-lg); }
.article-cta h2 { margin-top: 0; color: #fff; }
.article-cta p { color: #b8cee3; }

/* Legal and 404 */
.legal-hero { color: #fff; background: var(--navy-950); }
.legal-hero .container { padding-top: 100px; padding-bottom: 70px; }
.legal-hero h1 { margin-bottom: 12px; color: #fff; font-size: clamp(2.6rem, 4vw, 4rem); }
.legal-hero p:not(.eyebrow) { margin-bottom: 0; color: #9ebbd5; }
.legal-copy { max-width: 840px; color: var(--ink-soft); }
.legal-copy h2 { margin-top: 48px; margin-bottom: 14px; font-size: 1.55rem; }
.legal-note { margin-bottom: 45px; padding: 22px 24px; background: #fff7e6; border: 1px solid #e8d5aa; border-radius: var(--radius-md); }
.legal-note strong { display: block; margin-bottom: 5px; color: #765512; }
.legal-note p { margin: 0; color: #745f35; font-size: .9rem; }
.not-found { display: grid; min-height: 67vh; align-items: center; background: var(--surface-soft); }
.not-found .container { max-width: 800px; padding-top: 100px; padding-bottom: 100px; text-align: center; }
.not-found h1 { margin-bottom: 20px; }
.not-found p:not(.eyebrow) { color: var(--muted); font-size: 1.1rem; }
.not-found .hero-actions { justify-content: center; margin-top: 30px; }

/* Footer */
.site-footer { color: #abc1d7; background: var(--navy-1000); border-top: 1px solid rgba(132, 194, 247, .12); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .65fr .85fr; gap: 70px; padding-top: 70px; padding-bottom: 55px; }
.brand--footer { margin-bottom: 21px; }
.footer-brand p { max-width: 480px; color: #8fa9c2; font-size: .9rem; }
.footer-heading { margin-bottom: 18px; color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.footer-links a, .footer-links li { color: #9db3c9; font-size: .86rem; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 22px; padding-bottom: 22px; border-top: 1px solid rgba(132, 194, 247, .13); }
.footer-bottom p { margin: 0; font-size: .8rem; }
.footer-legal { display: flex; gap: 22px; }
.footer-legal a { color: #9db3c9; font-size: .8rem; text-decoration: none; }
.footer-disclaimer { padding-top: 17px; padding-bottom: 27px; color: #748da5; border-top: 1px solid rgba(132, 194, 247, .08); font-size: .72rem; }

@media (max-width: 1080px) {
  .primary-nav { gap: 14px; }
  .primary-nav ul { gap: 16px; }
  .primary-nav a:not(.button) { font-size: .84rem; }
  .hero-grid { grid-template-columns: 1fr 420px; gap: 38px; }
  .card-grid--three, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid--services .service-card,
  .card-grid--services .service-card:nth-child(5),
  .card-grid--services .service-card:nth-child(6) { grid-column: auto; }
  .card-grid--services .service-card:nth-child(7) { grid-column: 1 / -1; width: calc(50% - 10px); justify-self: center; }
  .domain-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid > div:nth-child(3) { border-left: 1px solid var(--line); }
  .fit-grid { grid-template-columns: 1fr; }
  .fit-grid .card-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  :root { --header-height: 72px; }
  .container { width: min(var(--container), calc(100% - 36px)); }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; align-items: stretch; padding: 22px max(18px, calc((100vw - var(--container)) / 2)); background: var(--navy-950); border-bottom: 1px solid var(--line-dark); box-shadow: 0 22px 35px rgba(1, 10, 24, .28); }
  .primary-nav.is-open { display: grid; }
  .primary-nav ul { display: grid; gap: 0; }
  .primary-nav li { border-bottom: 1px solid rgba(255,255,255,.1); }
  .primary-nav a:not(.button) { display: block; padding: 13px 2px; font-size: 1rem; }
  .primary-nav a:not(.button)::after { display: none; }
  .primary-nav .button { margin-top: 14px; }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-6px) rotate(-45deg); }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-top: 92px; }
  .hero-copy h1 { max-width: 900px; }
  .hero-visual { max-width: 630px; margin: 0 auto; }
  .split-intro, .feature-grid, .about-teaser, .question-section, .document-grid, .about-story, .audience-grid, .editorial-note, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .prose-lead, .about-teaser > div:last-child { padding-top: 0; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 45px; min-height: auto; }
  .page-hero-note { max-width: 480px; }
  .service-detail { grid-template-columns: 65px 1fr; }
  .fit-grid .card-grid { grid-template-columns: 1fr; }
  .domain-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-copy { position: static; }
  .article-layout { grid-template-columns: 1fr; gap: 30px; }
  .article-toc { position: static; grid-template-columns: repeat(2, 1fr); }
  .article-toc strong { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1.3fr .7fr; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .section { padding: 76px 0; }
  .brand { min-width: 0; }
  .brand-mark { width: 53px; }
  .brand-copy span { display: none; }
  .brand-copy strong { font-size: .91rem; }
  .hero-grid { padding-top: 74px; padding-bottom: 70px; }
  .hero-copy h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .hero-lead { font-size: 1.08rem; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-proof { display: grid; grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div, .trust-grid > div:first-child, .trust-grid > div:nth-child(3) { min-height: auto; border-right: 1px solid var(--line); border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .section-heading { display: grid; gap: 18px; }
  .card-grid--three, .card-grid--services, .value-grid, .domain-grid, .process-grid, .signal-grid, .contact-expectations { grid-template-columns: 1fr; }
  .card-grid--services .service-card,
  .card-grid--services .service-card:nth-child(5),
  .card-grid--services .service-card:nth-child(6),
  .card-grid--services .service-card:nth-child(7) { grid-column: 1; width: auto; justify-self: stretch; }
  .service-card { min-height: 270px; }
  .feature-grid { gap: 52px; }
  .insight-feature, .insight-card { grid-template-columns: 1fr; padding: 22px; }
  .insight-feature .insight-visual, .insight-card-visual { min-height: 150px; }
  .cta-inner { grid-template-columns: 1fr; gap: 35px; }
  .cta-inner .button { width: 100%; }
  .page-hero-grid { padding-top: 82px; padding-bottom: 62px; }
  .page-hero h1 { font-size: clamp(2.55rem, 12vw, 3.8rem); }
  .service-detail { grid-template-columns: 1fr; gap: 20px; padding: 58px 0; }
  .detail-columns { grid-template-columns: 1fr; gap: 25px; }
  .mini-topology { transform: scale(.94); transform-origin: left center; }
  .question-list > div, .audience-list > div { grid-template-columns: 1fr; gap: 8px; }
  .document-stack { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; padding: 23px; }
  .form-row--full, .form-footer, .form-status { grid-column: 1; }
  .form-footer { display: grid; }
  .form-footer .button { width: 100%; }
  .article-header .container { padding-top: 72px; padding-bottom: 58px; }
  .article-header h1 { font-size: clamp(2.45rem, 12vw, 3.7rem); }
  .article-layout { padding-top: 55px; padding-bottom: 80px; }
  .article-toc { grid-template-columns: 1fr; }
  .article-cta { padding: 28px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { display: grid; }
  .footer-legal { order: -1; }
}

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