:root {
  --bg: #050b13;
  --bg-soft: #09111b;
  --panel: rgba(13, 22, 34, 0.82);
  --panel-strong: rgba(12, 20, 31, 0.94);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e9eef7;
  --muted: #98a9bc;
  --soft: #c7d2de;
  --accent: #83d6ff;
  --accent-soft: rgba(131, 214, 255, 0.16);
  --green: #8df1bc;
  --amber: #ffd88b;
  --violet: #cbb7ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius: 24px;
  --radius-sm: 18px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(131, 214, 255, 0.12), transparent 30%),
    radial-gradient(circle at 88% 12%, rgba(203, 183, 255, 0.09), transparent 20%),
    linear-gradient(180deg, #050b13 0%, #07101a 44%, #040910 100%);
  min-height: 100vh;
}

.grid-mask {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.55), rgba(0,0,0,0.08));
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  pointer-events: none;
  opacity: 0.55;
}

.orb-a {
  top: -80px;
  left: -50px;
  width: 220px;
  height: 220px;
  background: rgba(131, 214, 255, 0.12);
}

.orb-b {
  top: 120px;
  right: -70px;
  width: 240px;
  height: 240px;
  background: rgba(203, 183, 255, 0.10);
}

.shell {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
  padding: 28px 0 88px;
}

.topbar,
.hero,
.panel,
.section,
.footer,
.signal-row {
  backdrop-filter: blur(10px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 12px 0 28px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  background: linear-gradient(180deg, rgba(131, 214, 255, 0.18), rgba(131, 214, 255, 0.07));
  border: 1px solid rgba(131, 214, 255, 0.22);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

.brand-name {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.brand-sub {
  margin-top: 4px;
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

.nav a,
.footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover,
.footer a:hover,
.access-card a:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: stretch;
  padding: 30px 0 18px;
}

.hero-copy {
  padding: 18px 0 10px;
}

.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 18px;
}

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

h1 {
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  max-width: 11ch;
}

.lead {
  margin-top: 22px;
  max-width: 760px;
  color: var(--soft);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #06101a;
  background: linear-gradient(180deg, #9fe1ff, #79d1ff);
  box-shadow: 0 14px 40px rgba(121, 209, 255, 0.18);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.signal-row {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.signal-item,
.metric-card,
.surface-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.signal-item {
  border-radius: 16px;
  padding: 16px 16px 14px;
}

.signal-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.signal-value {
  display: block;
  color: var(--text);
  line-height: 1.45;
  font-weight: 600;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(13, 22, 34, 0.90), rgba(10, 17, 27, 0.84));
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 22px;
}

.panel-kicker {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.metric-card {
  border-radius: 18px;
  padding: 18px;
}

.metric {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.metric-label {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.45;
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 18px 0;
}

.panel-note {
  color: var(--soft);
  line-height: 1.7;
}

.section {
  padding: 30px 0;
}

.section-tight {
  padding-top: 14px;
}

.section-soft {
  position: relative;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 22px;
}

.section-head-tight {
  grid-template-columns: 1fr;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 14ch;
}

.section-head p {
  color: var(--soft);
  line-height: 1.75;
  max-width: 560px;
}

.statement-panel {
  padding: 22px 24px;
}

.statement-panel p {
  color: var(--soft);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 950px;
}

.card-grid {
  display: grid;
  gap: 16px;
}

.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.card,
.domain-card,
.doctrine-card,
.access-card {
  padding: 20px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.tag,
.track {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.tag-core {
  color: var(--accent);
  background: rgba(131, 214, 255, 0.10);
  border-color: rgba(131, 214, 255, 0.20);
}

.tag-network {
  color: var(--violet);
  background: rgba(203, 183, 255, 0.10);
  border-color: rgba(203, 183, 255, 0.22);
}

.tag-protect {
  color: var(--green);
  background: rgba(141, 241, 188, 0.10);
  border-color: rgba(141, 241, 188, 0.20);
}

.tag-ai {
  color: var(--amber);
  background: rgba(255, 216, 139, 0.10);
  border-color: rgba(255, 216, 139, 0.18);
}

.track {
  color: var(--muted);
}

.card h3,
.domain-card h3,
.access-card h3,
.doctrine-card h3 {
  font-size: 1.22rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.card p,
.domain-card p,
.doctrine-card p,
.access-card p {
  color: var(--soft);
  line-height: 1.7;
}

.card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.doctrine-card {
  position: relative;
  overflow: hidden;
}

.doctrine-index {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}

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

.surface-card {
  min-height: 118px;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  border-radius: 20px;
}

.surface-card span {
  font-size: 1rem;
  line-height: 1.45;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.access-card a {
  display: inline-flex;
  margin-top: 18px;
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
}

.footer {
  margin-top: 18px;
  padding: 28px 0 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.footer-title {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.footer-text {
  color: var(--muted);
  max-width: 580px;
  line-height: 1.7;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 1180px) {
  .four-up {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .surface-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .topbar,
  .footer,
  .section-head,
  .hero {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar {
    gap: 18px;
  }

  .nav {
    gap: 18px;
  }

  .three-up {
    grid-template-columns: 1fr;
  }

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

  h1 {
    max-width: none;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(var(--max), calc(100% - 20px));
    padding-top: 18px;
  }

  .brand-sub,
  .nav {
    font-size: 0.8rem;
  }

  .hero {
    gap: 18px;
  }

  .metric-grid,
  .four-up,
  .surface-grid {
    grid-template-columns: 1fr;
  }

  .panel,
  .card,
  .domain-card,
  .doctrine-card,
  .access-card,
  .surface-card {
    border-radius: 20px;
  }

  .btn {
    width: 100%;
  }
}