:root {
  --bg: #0d120d;
  --panel: #171f14;
  --edge: #293823;
  --lcd: #1f291a;
  --lime: #a8e061;
  --amber: #f5bd47;
  --cream: #e6edd1;
  --mute: #9ead8f;
  --danger: #eb5c47;
  --ink: #0d120d;
  --max: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}

body {
  min-height: 100vh;
}

a { color: var(--lime); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand:hover { text-decoration: none; }

.mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--lcd);
  display: grid;
  grid-template-columns: repeat(3, 8px);
  gap: 3px;
  place-content: center;
  border: 1px solid var(--edge);
}

.seg {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lime);
  opacity: 0.7;
}

.seg.head {
  opacity: 1;
  clip-path: polygon(0 0, 70% 0, 100% 50%, 70% 100%, 0 100%);
}

.word {
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 14px;
  color: var(--lime);
}

nav a {
  color: var(--mute);
  font-size: 14px;
  font-weight: 600;
  margin-left: 16px;
}

nav a[aria-current="page"] { color: var(--lime); }

h1 {
  font-size: clamp(32px, 6vw, 46px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 12px;
}

.lede {
  font-size: 18px;
  color: var(--mute);
  margin: 0 0 28px;
  max-width: 38rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 22px;
  padding: 20px 22px;
  margin: 0 0 14px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.card.amber h2 { color: var(--amber); }

.card p { margin: 0; color: var(--cream); }

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

.grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 640px) {
  .grid.two { grid-template-columns: 1fr 1fr; }
}

.btn {
  display: inline-block;
  background: var(--lime);
  color: var(--ink);
  font-weight: 800;
  padding: 12px 18px;
  border-radius: 999px;
  margin-top: 8px;
}

.btn:hover { text-decoration: none; filter: brightness(1.05); }

.btn.ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--edge);
}

ul { margin: 8px 0 0; padding-left: 1.15rem; color: var(--cream); }
li { margin: 4px 0; }

.muted { color: var(--mute); }
.small { font-size: 14px; }

article h2 {
  font-size: 20px;
  margin: 28px 0 8px;
  color: var(--lime);
}

article p { color: var(--cream); }

footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--edge);
  color: var(--mute);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: space-between;
}

.note {
  font-size: 13px;
  color: var(--mute);
  background: var(--lcd);
  border-radius: 12px;
  padding: 10px 12px;
  margin-top: 16px;
}