:root {
  color-scheme: dark;
  --ink: #f4f8fb;
  --muted: #9fb0bf;
  --paper: #05090d;
  --panel: #0d1520;
  --panel-strong: #111c2a;
  --line: #203244;
  --accent: #13c8d4;
  --accent-strong: #7be7e1;
  --green: #2ff08a;
  --gold: #e4bb4a;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(19, 200, 212, 0.12), transparent 24%),
    radial-gradient(circle at 82% 8%, rgba(47, 240, 138, 0.08), transparent 22%),
    linear-gradient(180deg, #070d13 0%, var(--paper) 42%, #070d13 100%);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(19, 200, 212, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 200, 212, 0.08) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 82%);
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(5, 9, 13, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--accent);
  border-radius: 7px;
  background:
    linear-gradient(135deg, transparent 47%, var(--gold) 48% 55%, transparent 56%),
    linear-gradient(45deg, var(--accent) 0 48%, rgba(47, 240, 138, 0.2) 49%);
  box-shadow: 0 0 22px rgba(19, 200, 212, 0.28);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  color: #b6c4d0;
  font-size: 0.92rem;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent-strong);
}

main {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 65px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: center;
  gap: clamp(28px, 6vw, 80px);
  padding: clamp(64px, 10vw, 120px) 0 clamp(44px, 7vw, 88px);
}

.hero-copy {
  max-width: 810px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 5.1vw, 4.65rem);
  line-height: 0.96;
  letter-spacing: 0;
  white-space: nowrap;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.25;
}

.subtitle {
  margin: 24px 0 0;
  color: var(--accent-strong);
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  font-weight: 700;
}

.strategic-frame {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--ink);
  font-size: clamp(1.04rem, 1.7vw, 1.18rem);
  font-weight: 750;
}

.hero-text {
  max-width: 720px;
  margin: 22px 0 0;
  color: #c1cdd8;
  font-size: clamp(1.02rem, 1.8vw, 1.22rem);
}

.hero-panel {
  align-self: end;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(17, 28, 42, 0.96), rgba(9, 17, 26, 0.96));
  box-shadow: var(--shadow);
}

.hero-panel p {
  margin: 0;
}

.panel-kicker {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.panel-kicker + p {
  margin-top: 12px;
  color: #c1cdd8;
}

.section {
  padding: clamp(58px, 8vw, 96px) 0;
  border-top: 1px solid var(--line);
}

.split,
.status-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 6vw, 72px);
}

.section-copy p,
.detection-path p,
.reviewer-note p {
  margin: 0;
  color: #c1cdd8;
  font-size: 1.08rem;
}

.section-copy p + p {
  margin-top: 18px;
}

.boundary-grid,
.route-list,
.status-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.boundary-grid article,
.route-list article,
.status-cards article {
  min-height: 140px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 21, 32, 0.82);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.boundary-grid p,
.route-list p,
.status-cards p {
  margin: 0;
  color: #b6c4d0;
}

.route-list article {
  background: rgba(17, 28, 42, 0.86);
}

.status-cards {
  margin-top: 0;
  grid-template-columns: 1fr;
}

.status-cards article {
  min-height: auto;
}

.detection-path {
  max-width: 780px;
}

.detection-path p {
  margin-top: 18px;
}

.status-line {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid rgba(19, 200, 212, 0.5);
  border-radius: 8px;
  background: rgba(19, 200, 212, 0.12);
  color: var(--accent-strong) !important;
  font-weight: 750;
}

.reviewer-note {
  margin: 0 0 56px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, #0d1520, #101f23);
  color: #ffffff;
}

.reviewer-note h2 {
  font-size: clamp(1.45rem, 2.5vw, 2.2rem);
}

.reviewer-note p {
  max-width: 890px;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.82);
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero,
  .split,
  .status-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-panel {
    align-self: stretch;
  }

  .boundary-grid,
  .route-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    padding: 16px 14px;
  }

  .nav {
    gap: 8px 14px;
  }

  h1 {
    font-size: clamp(2.1rem, 9.2vw, 2.45rem);
  }

  .boundary-grid,
  .route-list {
    grid-template-columns: 1fr;
  }
}