:root {
  color-scheme: dark;
  --bg: #020509;
  --panel: rgba(2, 12, 20, 0.76);
  --panel-strong: rgba(4, 22, 33, 0.9);
  --line: rgba(83, 247, 255, 0.2);
  --line-strong: rgba(83, 247, 255, 0.52);
  --text: #d9fbff;
  --muted: #8db9c4;
  --cyan: #53f7ff;
  --cyan-soft: #97ffff;
  --blue: #2189ff;
  --blue-deep: #0c3b7a;
  --green: #9cf7bb;
  --shadow: rgba(0, 0, 0, 0.42);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(2, 5, 9, 0.58) 0%, var(--bg) 74%),
    var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

a {
  color: inherit;
}

#network-canvas,
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

#network-canvas {
  z-index: -3;
  background: #020509;
}

.grid-overlay {
  z-index: -2;
  background-image:
    linear-gradient(rgba(83, 247, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(33, 137, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, black 0%, black 62%, transparent 100%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 64px);
  background: rgba(2, 5, 9, 0.68);
  border-bottom: 1px solid rgba(83, 247, 255, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  color: var(--cyan-soft);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(83, 247, 255, 0.08);
  color: var(--cyan);
}

nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

nav a {
  min-height: 38px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

nav a:hover,
nav a:focus-visible {
  border-color: var(--line);
  background: rgba(83, 247, 255, 0.06);
  color: var(--cyan);
  outline: none;
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px clamp(20px, 6vw, 84px) 72px;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.hero-content {
  width: min(980px, 100%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 700;
}

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

h1 {
  margin-bottom: 20px;
  color: transparent;
  background: linear-gradient(90deg, #e9ffff 0%, var(--cyan) 42%, var(--blue) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 6.6rem;
  line-height: 0.92;
  font-weight: 900;
}

.hero-lede {
  max-width: 760px;
  margin-bottom: 30px;
  color: #bcecf5;
  font-size: 1.34rem;
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button-primary {
  background: linear-gradient(135deg, rgba(83, 247, 255, 0.96), rgba(33, 137, 255, 0.94));
  color: #021016;
  box-shadow: 0 16px 46px rgba(33, 137, 255, 0.24);
}

.button-secondary {
  background: rgba(4, 20, 30, 0.72);
  color: var(--cyan-soft);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(900px, 100%);
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 10, 17, 0.72);
  box-shadow: 0 24px 70px var(--shadow);
  overflow: hidden;
}

.signal-strip div {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid rgba(83, 247, 255, 0.12);
}

.signal-strip div:last-child {
  border-right: 0;
}

.signal-strip dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.signal-strip dd {
  margin: 7px 0 0;
  color: var(--cyan-soft);
  font-size: 1.06rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.section {
  padding: 96px clamp(20px, 6vw, 84px);
  background: linear-gradient(180deg, rgba(2, 5, 9, 0.72), rgba(2, 5, 9, 0.94));
}

.section:nth-of-type(3) {
  background:
    linear-gradient(180deg, rgba(4, 16, 24, 0.84), rgba(2, 5, 9, 0.94)),
    var(--bg);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

h2 {
  margin-bottom: 0;
  color: #dffcff;
  font-size: 2.45rem;
  line-height: 1.08;
}

h3 {
  margin-bottom: 16px;
  color: var(--cyan-soft);
  font-size: 1.45rem;
  line-height: 1.2;
}

.metric-grid,
.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric,
.route-item,
.panel {
  border: 1px solid rgba(83, 247, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(83, 247, 255, 0.06), rgba(33, 137, 255, 0.025)),
    var(--panel);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.metric,
.route-item {
  min-height: 156px;
  padding: 22px;
}

.metric span,
.route-item span,
.edge-list span,
.contact-grid span,
.facility-line span,
.panel-kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.metric strong,
.route-item strong {
  display: block;
  color: var(--cyan-soft);
  font-size: 1.42rem;
  line-height: 1.22;
  overflow-wrap: anywhere;
}

.metric small,
.route-item small {
  display: block;
  margin-top: 18px;
  color: #7fa4ae;
  line-height: 1.5;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 16px;
}

.panel {
  padding: 28px;
}

.panel p {
  max-width: 620px;
  color: #a8d1da;
  line-height: 1.7;
}

.contact-link {
  display: inline-flex;
  max-width: 100%;
  margin: 12px 0 24px;
  color: var(--cyan);
  font-size: 1.72rem;
  font-weight: 900;
  overflow-wrap: anywhere;
  text-decoration-color: rgba(83, 247, 255, 0.42);
  text-underline-offset: 6px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.contact-grid div,
.edge-list div,
.facility-line {
  border: 1px solid rgba(83, 247, 255, 0.13);
  border-radius: 8px;
  background: rgba(1, 8, 14, 0.62);
}

.contact-grid div {
  min-width: 0;
  padding: 16px;
}

.contact-grid a {
  color: var(--cyan-soft);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.edge-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.edge-list div {
  min-width: 0;
  min-height: 100px;
  padding: 16px;
}

.edge-list strong {
  display: block;
  color: var(--cyan-soft);
  font-size: 1.12rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.facility-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 16px;
  padding: 18px 22px;
}

.facility-line span {
  margin-bottom: 0;
}

.facility-line strong {
  color: #d5fbff;
  text-align: right;
  overflow-wrap: anywhere;
}

.sources {
  padding-bottom: 70px;
}

.source-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.source-links a {
  min-height: 56px;
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid rgba(83, 247, 255, 0.18);
  border-radius: 8px;
  background: rgba(2, 12, 20, 0.76);
  color: var(--cyan-soft);
  font-weight: 800;
  text-decoration: none;
}

.source-links a:hover,
.source-links a:focus-visible {
  border-color: var(--line-strong);
  outline: none;
}

.source-note {
  max-width: 900px;
  margin: 22px 0 0;
  color: #94bac3;
  line-height: 1.65;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 84px);
  border-top: 1px solid rgba(83, 247, 255, 0.14);
  background: #010307;
  color: #8fb5bf;
}

.site-footer a {
  color: var(--cyan-soft);
  font-weight: 800;
}

@media (max-width: 980px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  h1 {
    font-size: 4.8rem;
  }

  .signal-strip,
  .metric-grid,
  .route-grid,
  .source-links,
  .two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    display: block;
    padding: 14px 16px;
  }

  .brand {
    margin-bottom: 10px;
  }

  nav {
    justify-content: flex-start;
    gap: 4px;
  }

  nav a {
    min-height: 34px;
    padding: 8px 9px;
    font-size: 0.86rem;
  }

  .hero {
    min-height: 94vh;
    padding: 156px 18px 56px;
  }

  h1 {
    font-size: 3.3rem;
    line-height: 1;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-lede {
    font-size: 1.05rem;
  }

  .button {
    width: 100%;
  }

  .signal-strip,
  .metric-grid,
  .route-grid,
  .source-links,
  .two-column,
  .contact-grid,
  .edge-list {
    grid-template-columns: 1fr;
  }

  .signal-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(83, 247, 255, 0.12);
  }

  .signal-strip div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 70px 18px;
  }

  .panel {
    padding: 22px;
  }

  .contact-link {
    font-size: 1.28rem;
  }

  .facility-line,
  .site-footer {
    display: block;
  }

  .facility-line strong {
    display: block;
    margin-top: 8px;
    text-align: left;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}