:root {
  --bg: #0e0f12;
  --bg-elev: #16181d;
  --border: #24272e;
  --text: #e6e8ec;
  --dim: #a2a8b4;
  --muted: #6d7480;
  --accent: #4a9eff;
  --mono: ui-monospace, "SF Mono", menlo, monaco, consolas, monospace;
  --sans: -apple-system, blinkmacsystemfont, "Segoe UI", inter, system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfbfd;
    --bg-elev: #ffffff;
    --border: #e3e5ea;
    --text: #14161a;
    --dim: #4d5460;
    --muted: #858c99;
    --accent: #0a6ed1;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(960px, calc(100% - 40px)); margin-inline: auto; }

section { padding: 56px 0; }

h2 {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 24px;
}

h3 { font-size: 16px; margin: 0 0 6px; }

p { color: var(--dim); }

a { color: var(--accent); }

code { font-family: var(--mono); font-size: 0.9em; color: var(--text); }

/* ---------- hero ---------- */

.hero {
  padding: 84px 0 48px;
  text-align: center;
  background:
    radial-gradient(70% 120% at 50% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.mark {
  width: 84px;
  height: 84px;
  margin: 0 auto 20px;
  display: block;
  border-radius: 18px;
  box-shadow: 0 12px 40px rgb(0 0 0 / 0.35);
}

.hero h1 {
  font-size: clamp(40px, 7vw, 60px);
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.tagline {
  font-size: clamp(18px, 2.6vw, 22px);
  color: var(--text);
  margin: 0 0 14px;
}

.sub { max-width: 56ch; margin: 0 auto 28px; }

.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.btn:hover { transform: translateY(-1px); border-color: var(--accent); }

.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.meta { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 20px; }

/* ---------- screenshots ---------- */

.shot { padding: 0; margin-top: -34px; text-align: center; }

.shot img {
  width: min(400px, 80%);
  height: auto;
  border-radius: 14px;
  box-shadow: 0 30px 70px rgb(0 0 0 / 0.5);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.gallery figure { margin: 0; text-align: center; }

.gallery img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.gallery figcaption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 10px;
}

/* ---------- steps ---------- */

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }

.steps li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  align-items: start;
  color: var(--dim);
}

.steps p { margin: 0; }

.steps b { color: var(--text); font-weight: 600; }

.step-n {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

/* ---------- cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}

.card p { margin: 0; font-size: 14px; }

/* ---------- keys ---------- */

.keys {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}

.keys h3 { font-size: 13px; color: var(--dim); }

.keys dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; align-items: center; }

.keys dt { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: nowrap; }

.keys dd { margin: 0; font-size: 14px; color: var(--dim); }

kbd {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 6px;
  margin-right: 2px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
}

/* ---------- build ---------- */

.build pre {
  overflow-x: auto;
  padding: 18px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 13px;
  line-height: 1.7;
}

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  font-size: 14px;
  color: var(--muted);
}

footer p { margin: 0; }