:root {
  --ink: #eef5ff;
  --muted: rgba(238, 245, 255, 0.66);
  --line: rgba(238, 245, 255, 0.12);
  --seed: #8fb8ff;
  --moss: #1f4f8f;
  --water: #65b7df;
  --soil: #0a1426;
  --night: #030817;
  --curve: cubic-bezier(0.2, 0.75, 0.2, 1);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at var(--cursor-x, 18%) var(--cursor-y, 24%), rgba(143, 184, 255, 0.18), transparent 24rem),
    radial-gradient(circle at 78% 18%, rgba(101, 183, 223, 0.16), transparent 22rem),
    linear-gradient(145deg, var(--night), #07142c 48%, #101a33);
  font-family: Optima, Candara, "Gill Sans", "Trebuchet MS", sans-serif;
}

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

.shell {
  display: grid;
  min-height: 100vh;
  padding: clamp(1.25rem, 4vw, 4.5rem);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.brand::before {
  width: 0.72rem;
  height: 0.72rem;
  border: 1px solid var(--seed);
  border-radius: 999px;
  box-shadow: 0 0 2rem rgba(143, 184, 255, 0.5);
  content: "";
}

.status {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: end;
  padding-block: clamp(5rem, 12vw, 10rem) 3rem;
}

.hero h1,
.page h1 {
  max-width: 12ch;
  margin: 0;
  font-family: "Avenir Next Condensed", "DIN Condensed", Optima, sans-serif;
  font-size: clamp(4rem, 12vw, 13rem);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.78;
  text-transform: uppercase;
}

.hero p,
.page p {
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.35rem);
  line-height: 1.6;
}

.routes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.route {
  min-height: 14rem;
  padding: clamp(1rem, 2.4vw, 1.6rem);
  background: rgba(3, 8, 23, 0.76);
  transition:
    background 700ms var(--curve),
    transform 700ms var(--curve);
}

.route:hover,
.route:focus-visible {
  background: rgba(31, 79, 143, 0.28);
  outline: none;
  transform: translateY(-0.35rem);
}

.route strong {
  display: block;
  margin-bottom: 4rem;
  color: var(--seed);
  font-family: "Avenir Next Condensed", "DIN Condensed", Optima, sans-serif;
  font-size: clamp(1.8rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.9;
  text-transform: uppercase;
}

.route span,
.page-meta {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  line-height: 1.6;
  text-transform: uppercase;
}

.page {
  align-content: space-between;
  gap: 4rem;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: end;
}

.cards {
  display: grid;
  gap: 1rem;
}

.card {
  padding: 1rem;
  border: 1px solid var(--line);
  color: var(--muted);
}

.back {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.back:hover,
.back:focus-visible {
  color: var(--ink);
}

@media (max-width: 880px) {
  .hero,
  .page-grid,
  .routes {
    grid-template-columns: 1fr;
  }

  .route {
    min-height: 10rem;
  }
}

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