:root {
  color-scheme: dark;
  --void: #03090b;
  --panel: #0a171a;
  --panel-hi: #102428;
  --line: #2b5053;
  --line-soft: rgba(97, 171, 169, 0.2);
  --ink: #d9e4d7;
  --muted: #8ba39b;
  --green: #80e59f;
  --cyan: #79d9de;
  --amber: #eac46d;
  --red: #e87c68;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 8%, rgba(31, 95, 100, 0.3), transparent 32rem),
    linear-gradient(155deg, #071114 0%, var(--void) 62%);
}

.starfield {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.3;
  background-image:
    radial-gradient(circle, #d6f3e7 0 1px, transparent 1.3px),
    radial-gradient(circle, #8bb8b2 0 1px, transparent 1.3px);
  background-position: 17px 29px, 83px 61px;
  background-size: 137px 137px, 211px 211px;
}

a { color: inherit; }

.masthead,
main,
footer {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.masthead {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 44px 0 30px;
  border-bottom: 1px solid var(--line);
}

.seal {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  box-shadow: inset 0 0 0 6px var(--void), inset 0 0 0 7px var(--line);
  color: var(--cyan);
  font: 700 21px/1 "Courier New", monospace;
  letter-spacing: 0.14em;
}

.seal span { transform: translateX(0.08em); }

.eyebrow,
.network-state,
.service-code,
footer {
  font: 700 12px/1.4 "Courier New", monospace;
  letter-spacing: 0.16em;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
}

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

h1 {
  margin-bottom: 8px;
  font: 600 clamp(31px, 5vw, 54px)/1.02 Georgia, serif;
  letter-spacing: -0.025em;
}

.lede {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.network-state {
  color: var(--green);
  white-space: nowrap;
}

.network-state i {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
}

main { padding: 34px 0 48px; }

.dispatch {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 30px;
  align-items: center;
  margin-bottom: 24px;
  padding: 25px 28px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
  background: linear-gradient(100deg, rgba(18, 40, 43, 0.96), rgba(6, 17, 19, 0.86));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.dispatch h2 {
  margin-bottom: 9px;
  font: 600 27px/1.15 Georgia, serif;
}

.dispatch p:last-child {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.scope {
  position: relative;
  width: 148px;
  height: 148px;
  justify-self: end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50%;
  background:
    linear-gradient(transparent 49.5%, var(--line-soft) 50%, transparent 50.5%),
    linear-gradient(90deg, transparent 49.5%, var(--line-soft) 50%, transparent 50.5%),
    radial-gradient(circle, transparent 44%, var(--line-soft) 45% 46%, transparent 47%),
    #061012;
}

.scope::after {
  content: "";
  position: absolute;
  width: 48%;
  height: 1px;
  left: 50%;
  top: 50%;
  transform-origin: left;
  transform: rotate(-32deg);
  background: linear-gradient(90deg, var(--green), transparent);
  box-shadow: 0 0 9px var(--green);
}

.scope span,
.scope i {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.scope span { left: 66%; top: 29%; }
.scope i { left: 30%; top: 65%; }

.services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.service {
  position: relative;
  min-height: 260px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(16, 36, 40, 0.97), rgba(7, 18, 20, 0.97));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

a.service {
  text-decoration: none;
  transition: border-color 150ms ease, transform 150ms ease, background 150ms ease;
}

a.service:hover,
a.service:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: linear-gradient(145deg, rgba(19, 47, 51, 0.98), rgba(8, 22, 24, 0.98));
  outline: none;
}

.service::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  right: -58px;
  bottom: -64px;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  box-shadow: 0 0 0 24px rgba(85, 151, 151, 0.025), 0 0 0 48px rgba(85, 151, 151, 0.02);
}

.service-code { color: var(--amber); }

.service h2 {
  margin: 26px 0 12px;
  font: 600 30px/1.08 Georgia, serif;
}

.service p {
  max-width: 500px;
  margin-bottom: 28px;
  color: var(--muted);
  line-height: 1.6;
}

.service strong,
.library-home {
  color: var(--green);
  font: 700 12px/1.5 "Courier New", monospace;
  letter-spacing: 0.1em;
}

.communicator .service-code { color: var(--green); }

.library {
  grid-column: 1 / -1;
  min-height: 0;
}

.library-home {
  display: inline-block;
  margin-bottom: 22px;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.library nav {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.library nav a {
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
  text-align: center;
  text-decoration: none;
  font-size: 14px;
}

.library nav a:hover,
.library nav a:focus-visible {
  color: var(--void);
  background: var(--cyan);
  outline: none;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 22px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer a {
  color: var(--cyan);
  text-underline-offset: 4px;
}

@media (max-width: 760px) {
  .masthead {
    grid-template-columns: auto 1fr;
    padding-top: 28px;
  }

  .network-state { grid-column: 2; }
  .dispatch { grid-template-columns: 1fr; }
  .scope { display: none; }
  .services { grid-template-columns: 1fr; }
  .library { grid-column: auto; }
  .library nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .masthead,
  main,
  footer { width: min(100% - 24px, 1160px); }
  .seal { width: 52px; height: 52px; }
  .masthead { gap: 14px; }
  .network-state { grid-column: 1 / -1; }
  .dispatch,
  .service { padding: 22px; }
  .library nav { grid-template-columns: 1fr; }
  footer { gap: 18px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  a.service { transition: none; }
}