:root {
  --ink: #0B0D1E;
  --ink-2: #10132A;
  --ink-3: #161A38;
  --line: rgba(160, 168, 220, 0.14);
  --line-strong: rgba(160, 168, 220, 0.28);
  --text: #EDEFFA;
  --text-dim: #9BA0C9;
  --text-faint: #61658F;
  --brand-blue: #2D3192;
  --brand-red: #EC1F24;
  --signal: #5A5FD1;
  --signal-dim: rgba(90, 95, 209, 0.14);
  --alert: #EC1F24;
  --alert-dim: rgba(236, 31, 36, 0.13);
  --secure: #7478D7;
  --secure-dim: rgba(116, 120, 215, 0.14);
  --radius: 3px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--ink);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--signal);
  color: #fff;
}

h1,
h2,
h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--signal);
  flex: none;
}

/* ---------- header ---------- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 13, 30, 0.80);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 9px;
}

.logo-mark {
  width: 26px;
  height: 26px;
  flex: none;
  position: relative;
}

.logo-mark svg,
.logo-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 34px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-dim);
  transition: color .15s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a.active {
  color: var(--text);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -26px;
  height: 2px;
  background: var(--signal);
}

.btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  padding: 11px 18px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .15s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--alert);
  color: #fff;
  font-weight: 500;
}

.btn-primary:hover {
  background: #FF3B3F;
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-toggle {
  display: none;
}

/* ---------- hero ---------- */
.hero {
  padding: 172px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(680px 420px at 82% 8%, rgba(90, 95, 209, 0.14), transparent 60%),
    radial-gradient(500px 380px at 0% 100%, rgba(236, 31, 36, 0.05), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.05;
  margin: 20px 0 22px;
}

.hero h1 em {
  font-style: normal;
  color: var(--signal);
}

.hero p.lead {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 46ch;
  margin-bottom: 32px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.stat-row {
  display: flex;
  gap: 36px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.stat b {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
}

.stat span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- diagram ---------- */
.diagram-frame {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  position: relative;
}

.diagram-frame .cap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}

.dot-row {
  display: flex;
  gap: 5px;
}

.dot-row span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
}

#netsvg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- partners strip ---------- */
.partners {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}

.partners .wrap {
  display: flex;
  align-items: center;
  gap: 34px;
  flex-wrap: wrap;
}

.partners .eyebrow {
  flex: none;
}

.partner-list {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-faint);
}

.partner-list span {
  transition: color .15s ease;
  cursor: default;
}

.partner-list span:hover {
  color: var(--text);
}

/* ---------- zone sections ---------- */
.zone {
  padding: 104px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 72px;
}

.cta-band {
  scroll-margin-top: 72px;
}

.zone-head {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 56px;
  margin-bottom: 52px;
}

.zone-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 64px;
  font-weight: 600;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--line-strong);
  line-height: 1;
  margin-bottom: 18px;
}

.zone-head h2 {
  font-size: 30px;
  margin-bottom: 14px;
}

.zone-head p {
  color: var(--text-dim);
  font-size: 15px;
  max-width: 44ch;
}

.zone-side-note {
  align-self: end;
}

.zone-side-note p {
  color: var(--text-dim);
  font-size: 15.5px;
  max-width: 40ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--ink);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 2px solid transparent;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
  opacity: 0;
  transform: translateY(14px);
}

.card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  border-left-color: var(--signal);
  background: var(--ink-2);
}

.card-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.card h3 {
  font-size: 16.5px;
  font-weight: 600;
}

.card p {
  font-size: 13.8px;
  color: var(--text-dim);
  line-height: 1.55;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
}

.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  color: var(--signal);
  background: var(--signal-dim);
  padding: 4px 8px;
  border-radius: 2px;
  letter-spacing: 0.02em;
}

/* wide two-card layouts for DR + training */
.card-grid.wide {
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
}

.card-grid.wide .card {
  padding: 32px 30px;
  gap: 14px;
}

.card-grid.wide .card p {
  font-size: 14.5px;
}

.metric-row {
  display: flex;
  gap: 22px;
  margin-top: 6px;
}

.metric b {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 19px;
  color: var(--secure);
}

.metric span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
}

/* ---------- cta band ---------- */
.cta-band {
  padding: 110px 0;
  text-align: center;
  position: relative;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(560px 300px at 50% 0%, rgba(90, 95, 209, 0.14), transparent 65%);
  pointer-events: none;
}

.cta-band h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  margin-bottom: 16px;
}

.cta-band p {
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 auto 36px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.foot-brand p {
  color: var(--text-faint);
  font-size: 13.5px;
  max-width: 32ch;
  margin-top: 12px;
}

.foot-col h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.foot-col a {
  display: block;
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 10px;
  transition: color .15s ease;
}

.foot-col a:hover {
  color: var(--text);
}

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- responsive ---------- */
@media (max-width: 880px) {
  .nav-links {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .diagram-frame {
    order: -1;
  }

  .zone-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .foot-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .stat-row {
    flex-wrap: wrap;
    row-gap: 18px;
  }

  .card-grid,
  .card-grid.cols-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .wrap {
    padding: 0 20px;
  }

  .hero {
    padding: 150px 0 72px;
  }

  .nav-cta .btn-ghost {
    display: none;
  }
}

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

  .card {
    transition: none;
  }
}

/* ---------- sub-page hero / breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--text-faint);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: var(--text-faint);
  transition: color .15s ease;
}

.breadcrumb a:hover {
  color: var(--signal);
}

.breadcrumb .sep {
  opacity: 0.5;
}

.breadcrumb .current {
  color: var(--text-dim);
}

.page-hero {
  padding: 168px 0 76px;
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(620px 380px at 88% 0%, rgba(90, 95, 209, 0.14), transparent 60%);
  pointer-events: none;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 36px;
  position: relative;
  z-index: 2;
}

.page-hero .zone-num {
  font-size: 88px;
  margin-bottom: 0;
}

.page-hero h1 {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: 16px;
}

.page-hero p.lead {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 58ch;
  margin-bottom: 30px;
}

.page-hero .hero-ctas {
  margin-bottom: 0;
}

/* ---------- detailed service blocks ---------- */
.detail-list {
  display: flex;
  flex-direction: column;
}

.detail {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 36px;
  padding: 46px 0;
  border-top: 1px solid var(--line);
}

.detail:last-child {
  border-bottom: 1px solid var(--line);
}

.detail-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  color: var(--signal);
}

.detail h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.detail p.desc {
  color: var(--text-dim);
  font-size: 15.5px;
  max-width: 64ch;
  margin-bottom: 18px;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 6px;
}

.detail-meta .item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
}

.detail-meta .item::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
}

.partner-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.03em;
  margin-top: 16px;
}

.partner-note b {
  color: var(--text-dim);
  font-weight: 500;
}

/* ---------- related zones ---------- */
.related {
  padding: 96px 0;
  border-bottom: 1px solid var(--line);
}

.related h2 {
  font-size: 24px;
  margin-bottom: 8px;
}

.related>.wrap>p {
  color: var(--text-dim);
  font-size: 14.5px;
  margin-bottom: 36px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.related-card {
  background: var(--ink);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 2px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}

.related-card:hover {
  border-left-color: var(--signal);
  background: var(--ink-2);
}

.related-card .zn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
}

.related-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16.5px;
  font-weight: 600;
}

.related-card span.arrow {
  color: var(--signal);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  margin-top: auto;
}

/* ---------- about page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 0 0 20px;
}

.about-grid p {
  color: var(--text-dim);
  font-size: 15.5px;
  margin-bottom: 16px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 20px;
}

.value-card {
  background: var(--ink);
  padding: 28px 24px;
}

.value-card .vnum {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--signal);
  margin-bottom: 10px;
  display: block;
}

.value-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 13.8px;
  color: var(--text-dim);
  margin-bottom: 0;
}

.timeline {
  display: flex;
  flex-direction: column;
  margin-top: 8px;
}

.tl-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.tl-row:last-child {
  border-bottom: 1px solid var(--line);
}

.tl-row b {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--signal);
  font-size: 13px;
}

.tl-row p {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0;
}

/* ---------- contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 34px 30px;
}

.contact-card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.contact-card p {
  color: var(--text-dim);
  font-size: 14.5px;
  margin-bottom: 22px;
}

.contact-method {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.contact-method:last-child {
  padding-bottom: 0;
}

.contact-method .label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-method .value {
  font-size: 14.5px;
  color: var(--text);
}

.contact-method a.value:hover {
  color: var(--signal);
}

.reasons {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.reason {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.reason .rn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--signal);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.reason h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15.5px;
  margin-bottom: 4px;
}

.reason p {
  color: var(--text-dim);
  font-size: 13.8px;
  margin: 0;
}

.callout {
  background: var(--signal-dim);
  border: 1px solid rgba(90, 95, 209, 0.35);
  border-radius: 6px;
  padding: 16px 18px;
  margin-top: 26px;
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

@media (max-width: 880px) {
  .page-hero-grid {
    grid-template-columns: 1fr;
  }

  .page-hero .zone-num {
    font-size: 52px;
  }

  .detail {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- photographic hero backgrounds ---------- */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-media-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(11, 13, 30, 0.94) 0%, rgba(11, 13, 30, 0.88) 38%, rgba(11, 13, 30, 0.62) 68%, rgba(11, 13, 30, 0.5) 100%),
    linear-gradient(180deg, rgba(11, 13, 30, 0.2) 0%, rgba(11, 13, 30, 0.55) 75%, var(--ink) 100%);
}

.hero.photo-hero::before,
.page-hero.photo-hero::before {
  z-index: 2;
}

.hero.photo-hero>.wrap,
.page-hero.photo-hero>.wrap {
  position: relative;
  z-index: 3;
}