:root {
  --bg: #f4f6f7;
  --surface: #ffffff;
  --surface-2: #eef4f5;
  --ink: #071113;
  --ink-2: #101c1f;
  --text: #142225;
  --muted: #637579;
  --line: #d6e1e3;
  --teal: #087e8b;
  --teal-2: #0aa3a9;
  --green: #177a4d;
  --amber: #c47a08;
  --red: #b23a30;
  --shadow: 0 22px 70px rgba(12, 31, 35, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(160px, 1fr);
  align-items: center;
  gap: 22px;
  min-height: 74px;
  padding: 0 clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 19, 0.82);
  color: #ffffff;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: fit-content;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.brand-text strong,
.brand-text small {
  display: block;
}

.brand-text strong {
  font-size: 15px;
  line-height: 1;
}

.brand-text small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  color: #ffffff;
}

.header-action,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 900;
  white-space: nowrap;
}

.header-action {
  justify-self: end;
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #ffffff;
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 116px;
  background: linear-gradient(180deg, rgba(244, 246, 247, 0), var(--bg));
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.66;
  filter: saturate(0.96) contrast(1.08);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 17, 19, 0.96) 0%, rgba(7, 17, 19, 0.78) 44%, rgba(7, 17, 19, 0.32) 100%),
    linear-gradient(0deg, rgba(7, 17, 19, 0.78) 0%, rgba(7, 17, 19, 0.08) 62%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(960px, calc(100% - 36px));
  margin: 0 clamp(18px, 6vw, 86px) clamp(78px, 10vh, 116px);
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #93edf0;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 920px;
  font-size: clamp(44px, 6.2vw, 92px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2vw, 27px);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  min-height: 48px;
  padding: 0 18px;
}

.primary-button {
  border: 1px solid var(--teal);
  background: var(--teal);
  color: #ffffff;
}

.primary-button.dark {
  border-color: var(--ink);
  background: var(--ink);
}

.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #ffffff;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0 13px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 800;
}

.signal-band {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: -36px clamp(18px, 6vw, 86px) 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.signal-band article {
  min-height: 112px;
  padding: 22px;
  background: var(--surface);
}

.signal-band strong,
.signal-band span {
  display: block;
}

.signal-band strong {
  font-size: 20px;
}

.signal-band span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.section {
  padding: 92px clamp(18px, 6vw, 86px);
}

.section-heading {
  max-width: 980px;
  margin-bottom: 34px;
}

.section-heading.wide {
  max-width: 1120px;
}

h2 {
  max-width: 980px;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.core-section {
  background: var(--bg);
}

.core-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(380px, 1.05fr);
  gap: 28px;
  align-items: stretch;
}

.core-copy {
  padding-top: 4px;
}

.core-copy p,
.security-copy p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.capability-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.capability-list span {
  display: flex;
  align-items: center;
  min-height: 44px;
  border-left: 4px solid var(--teal);
  padding: 0 15px;
  background: #ffffff;
  color: var(--text);
  font-weight: 800;
}

.system-map {
  display: grid;
  gap: 12px;
  min-height: 380px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.map-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.map-row span,
.map-core {
  display: grid;
  place-items: center;
  min-height: 86px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 900;
  text-align: center;
}

.map-core {
  min-height: 118px;
  border-color: rgba(8, 126, 139, 0.38);
  background: var(--ink-2);
  color: #ffffff;
  font-size: clamp(28px, 3.5vw, 46px);
}

.modules-section {
  background: #ffffff;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.module-card {
  min-height: 286px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: #f8fbfb;
}

.module-card.service {
  background: var(--ink-2);
  color: #ffffff;
}

.module-card span {
  margin-bottom: auto;
  color: var(--teal);
  font-size: 13px;
  font-weight: 950;
}

.module-card.service span {
  color: #93edf0;
}

h3 {
  font-size: 23px;
  line-height: 1.12;
  letter-spacing: 0;
}

.module-card p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.58;
}

.module-card.service p {
  color: rgba(255, 255, 255, 0.76);
}

.security-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(380px, 1.05fr);
  gap: 36px;
  align-items: start;
  background: #edf3f4;
}

.trust-grid {
  display: grid;
  gap: 12px;
}

.trust-grid article {
  min-height: 122px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #ffffff;
}

.trust-grid strong,
.trust-grid span {
  display: block;
}

.trust-grid strong {
  font-size: 18px;
}

.trust-grid span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.52;
}

.closing-section {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto;
  gap: 22px;
  align-items: end;
  padding: 86px clamp(18px, 6vw, 86px);
  background: #ffffff;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 clamp(18px, 6vw, 86px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.not-found-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--ink);
}

.not-found {
  width: min(560px, calc(100% - 36px));
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.not-found img {
  width: 240px;
  max-width: 100%;
  height: auto;
}

.not-found h1 {
  margin-top: 34px;
  color: var(--text);
  font-size: clamp(32px, 5vw, 54px);
}

.not-found p {
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

@media (max-width: 1060px) {
  .module-grid {
    grid-template-columns: 1fr 1fr;
  }

  .core-layout,
  .security-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .signal-band {
    grid-template-columns: 1fr;
  }

  .closing-section {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 580px) {
  .site-header {
    grid-template-columns: 1fr;
    min-height: 66px;
    padding-inline: 14px;
  }

  .brand small {
    display: none;
  }

  .header-action {
    display: none;
  }

  .hero-content {
    width: calc(100vw - 58px);
    max-width: calc(100vw - 58px);
    margin-bottom: 70px;
  }

  .hero .eyebrow {
    display: none;
  }

  h1 {
    max-width: 10.5ch;
    font-size: 36px;
    line-height: 1.02;
  }

  .hero-copy {
    max-width: 300px;
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .hero-actions,
  .primary-button,
  .secondary-button {
    width: calc(100vw - 58px);
  }

  .module-grid,
  .map-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding-block: 70px;
  }
}