:root {
  color-scheme: dark;
  --bg: #070b14;
  --bg-night: #0c1220;
  --surface: #141c2c;
  --surface-lit: #1a2438;
  --text: #e8eef8;
  --muted: #8a96ad;
  --telescope: #c8d8f0;
  --setup: #7eb6ff;
  --setup-dim: rgba(126, 182, 255, 0.14);
  --star: #e8c87a;
  --star-dim: rgba(232, 200, 122, 0.12);
  --border: rgba(200, 216, 240, 0.1);
  --radius: 16px;
  --radius-sm: 12px;
  --font-display: "Baskerville", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body:
    "Helvetica Neue",
    Helvetica,
    Arial,
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.74;
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 35% at 78% 8%, var(--setup-dim), transparent 50%),
    radial-gradient(ellipse 40% 30% at 12% 88%, var(--star-dim), transparent 50%),
    linear-gradient(180deg, var(--bg-night) 0%, var(--bg) 70%, #05080f 100%);
}

.backdrop__scope {
  position: absolute;
  top: 10%;
  right: 9%;
  width: 72px;
  height: 18px;
  border: 2px solid rgba(126, 182, 255, 0.28);
  border-radius: 9px;
  transform: rotate(-22deg);
  opacity: 0.55;
}

.backdrop__scope::before {
  content: "";
  position: absolute;
  right: -16px;
  top: -6px;
  width: 28px;
  height: 28px;
  border: 2px solid rgba(232, 200, 122, 0.35);
  border-radius: 50%;
}

.backdrop__star {
  position: absolute;
  top: 18%;
  left: 10%;
  width: 6px;
  height: 6px;
  background: var(--star);
  border-radius: 50%;
  box-shadow:
    40px 28px 0 1px rgba(200, 216, 240, 0.5),
    90px -10px 0 0 rgba(126, 182, 255, 0.45),
    160px 40px 0 2px var(--star);
  opacity: 0.6;
}

.page {
  position: relative;
  z-index: 1;
  width: min(900px, calc(100% - 44px));
  margin: 0 auto;
  padding: 52px 0 88px;
}

.hero {
  margin-bottom: 40px;
}

.hero__night {
  padding: 36px 32px 32px;
  background: linear-gradient(160deg, var(--surface-lit) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.hero__night::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--setup) 0%, var(--star) 55%, var(--telescope) 100%);
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--setup);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7.5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.08;
}

.brand-title .telescope {
  color: var(--telescope);
}

.brand-title .setup {
  display: block;
  margin-top: 4px;
  font-style: italic;
  color: var(--star);
}

h1 {
  margin: 22px 0 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  margin-top: 16px;
  max-width: 52ch;
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.82;
}

.updated {
  margin-top: 20px;
  font-size: 0.76rem;
  font-weight: 500;
  color: rgba(126, 182, 255, 0.85);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
}

.highlights li {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.highlights li:nth-child(1) {
  border-top: 3px solid var(--setup);
}

.highlights li:nth-child(2) {
  border-top: 3px solid var(--star);
}

.highlights li:nth-child(3) {
  border-top: 3px solid var(--telescope);
}

.highlights strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  font-style: italic;
  color: var(--text);
}

.highlights span {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.58;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.card {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--setup);
}

.card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.68;
}

.card p + p {
  margin-top: 10px;
}

.card--wide {
  grid-column: 1 / -1;
  padding: 28px 26px;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(26, 36, 56, 0.55) 100%);
  border-color: rgba(126, 182, 255, 0.16);
}

a {
  color: var(--setup);
  text-decoration: none;
  border-bottom: 1px solid rgba(126, 182, 255, 0.35);
}

a:hover {
  color: var(--star);
}

.footer {
  margin-top: 44px;
  padding: 22px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--text);
}

.footer strong .setup {
  color: var(--star);
}

@media (max-width: 760px) {
  .highlights {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card--wide {
    grid-column: auto;
  }

  .hero__night {
    padding: 28px 22px 24px;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 36px 0 64px;
    width: min(100% - 28px, 900px);
  }
}