:root {
  color-scheme: dark;
  --bg: #141416;
  --bg-board: #1a1a1e;
  --surface: #222228;
  --text: #f2f0ea;
  --muted: #9a9690;
  --keep: #e8e4dc;
  --chark: #5eead4;
  --chark-dim: rgba(94, 234, 212, 0.12);
  --spark: #fbbf24;
  --spark-dim: rgba(251, 191, 36, 0.1);
  --border: rgba(242, 240, 234, 0.08);
  --chalk: rgba(242, 240, 234, 0.04);
  --radius: 4px;
  --font-display:
    "Courier New",
    Courier,
    "SF Mono",
    Menlo,
    monospace;
  --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: 1.72;
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 25%, var(--chark-dim), transparent 35%),
    radial-gradient(circle at 85% 75%, var(--spark-dim), transparent 30%),
    repeating-linear-gradient(
      0deg,
      var(--chalk) 0,
      var(--chalk) 1px,
      transparent 1px,
      transparent 28px
    ),
    var(--bg-board);
}

.backdrop__spark {
  position: absolute;
  top: 10%;
  right: 10%;
  width: 8px;
  height: 8px;
  background: var(--chark);
  border-radius: 50%;
  box-shadow:
    0 0 20px var(--chark),
    40px 30px 0 2px var(--spark),
    -20px 50px 0 1px rgba(94, 234, 212, 0.5);
  opacity: 0.7;
}

.page {
  position: relative;
  z-index: 1;
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 52px 0 84px;
}

.hero {
  margin-bottom: 36px;
  padding: 36px 32px 32px;
  background: var(--surface);
  border: 1px dashed rgba(242, 240, 234, 0.15);
  border-radius: var(--radius);
}

.eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chark);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 9vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

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

.brand-title .chark {
  color: var(--chark);
  text-shadow: 0 0 24px var(--chark-dim);
}

h1 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  margin-top: 16px;
  max-width: 50ch;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.78;
}

.updated {
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--spark);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.highlights li {
  padding: 20px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

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

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

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

.highlights strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
}

.highlights span {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chark);
}

.card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.65;
}

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

.card--wide {
  grid-column: 1 / -1;
  border-color: rgba(94, 234, 212, 0.15);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(34, 34, 40, 0.5) 100%);
}

a {
  color: var(--chark);
  text-decoration: none;
  border-bottom: 1px dashed rgba(94, 234, 212, 0.4);
}

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

.footer {
  margin-top: 36px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer strong {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: none;
  color: var(--text);
}

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

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

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

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

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

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

@media (max-width: 480px) {
  .page {
    padding: 36px 0 60px;
    width: min(100% - 24px, 880px);
  }
}