:root {
  color-scheme: dark;
  --page: #101512;
  --panel: #19221c;
  --border: #38493d;
  --text: #eef4ee;
  --muted: #bdcbbf;
  --accent: #aaf184;
  --accent-ink: #14200d;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 1.25rem; }
body {
  margin: 0;
  background: radial-gradient(ellipse at 70% 0%, #25382a 0, transparent 35rem), var(--page);
  color: var(--text);
  line-height: 1.55;
}
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.wrap { width: min(100% - 2.5rem, 64rem); margin-inline: auto; }
.skip {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 1;
  transform: translateY(-150%);
  padding: .6rem .9rem;
  background: var(--accent);
  color: var(--accent-ink);
}
.skip:focus { transform: none; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.topbar {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 750;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: .55rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 1.25rem;
}
nav { display: flex; gap: clamp(.75rem, 3vw, 1.6rem); }
nav a { color: var(--muted); font-size: .92rem; text-decoration: none; }
nav a:hover { color: var(--text); text-decoration: underline; }

.hero { padding-block: clamp(2.9rem, 8vw, 5.6rem) 2.4rem; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .85rem;
  color: var(--accent);
  font-size: .8rem;
  letter-spacing: .12em;
  font-weight: 750;
}
.eyebrow span { width: .45rem; height: .45rem; border-radius: 50%; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: .75rem; font-size: clamp(2.35rem, 7.3vw, 4.75rem); line-height: 1.06; letter-spacing: -.052em; }
.intro { max-width: 36rem; margin-bottom: 0; font-size: clamp(1rem, 2.4vw, 1.18rem); color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.card {
  display: flex;
  flex-direction: column;
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: var(--panel);
}
.card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.platform-mark {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  background: #25392a;
  color: var(--accent);
  border-radius: .65rem;
}
.format {
  padding: .2rem .55rem;
  border: 1px solid var(--border);
  border-radius: .4rem;
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .07em;
}
h2 { margin-bottom: .35rem; font-size: 1.6rem; line-height: 1.25; }
.platform { margin-bottom: .8rem; color: var(--muted); font-size: .92rem; }
.steps { padding-inline-start: 1.25rem; margin: 0 0 1.4rem; font-size: .96rem; }
.steps li { padding-inline-start: .22rem; margin-block: .35rem; }
.steps li::marker { color: var(--accent); }
code { font-family: ui-monospace, Consolas, monospace; font-size: .9em; overflow-wrap: anywhere; }
.card-links { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1.1rem; margin-top: auto; }
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .68rem .9rem;
  min-height: 2.75rem;
  border-radius: .55rem;
  font-weight: 750;
  text-decoration: none;
}
.primary { background: var(--accent); color: var(--accent-ink); }
.primary:hover { background: #c2f7aa; }
.checksum { display: inline-flex; align-items: center; min-height: 2.75rem; font-size: .9rem; color: var(--muted); }
.checksum:hover { color: var(--accent); }

.verify { margin-top: 2.75rem; }
.verify > p, .commands p { color: var(--muted); }
.commands { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.commands h3 { margin-bottom: .5rem; font-size: .97rem; }
.commands p { margin-bottom: 0; font-size: .86rem; }
pre {
  margin: 0 0 .5rem;
  padding: .75rem .85rem;
  border: 1px solid var(--border);
  border-radius: .55rem;
  background: #0d120f;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  padding-block: 1.35rem 1.75rem;
  color: var(--muted);
  font-size: .83rem;
}

@media (max-width: 43rem) {
  .cards, .commands { grid-template-columns: 1fr; }
  .commands { gap: 1.5rem; }
}
@media (max-width: 26rem) {
  .topbar { align-items: flex-start; justify-content: center; flex-direction: column; gap: .55rem; padding-block: .85rem; }
}