:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #f43f5e;
  --accent-2: #f97316;
  --danger: #f97316;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(244, 63, 94, 0.15), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(249, 115, 22, 0.12), transparent 30%),
    var(--bg);
}

.app {
  width: min(820px, 92vw);
  margin: 40px auto;
  display: grid;
  gap: 16px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.hero p {
  margin: 8px 0 0;
  color: var(--muted);
}

.card {
  background: linear-gradient(165deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 14px;
  padding: 20px;
  display: grid;
  gap: 12px;
}

.card h2 {
  margin: 0 0 4px 0;
  font-size: 1.15rem;
}

.card p,
.card li {
  line-height: 1.55;
}

.download {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  color: #431407;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  padding: 12px 16px;
  text-align: center;
  justify-self: start;
}

.download:hover {
  filter: brightness(1.05);
}

ol,
ul {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 6px;
}

code {
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.92em;
}

kbd {
  background: rgba(2, 6, 23, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 1px 6px;
  font-family: inherit;
  font-size: 0.9em;
}

.muted {
  color: var(--muted);
  font-size: 0.92rem;
}

.note {
  border-left: 3px solid var(--accent);
  padding: 8px 12px;
  background: rgba(244, 63, 94, 0.08);
  border-radius: 6px;
}

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

a:hover {
  color: var(--accent-2);
}