:root {
  --bg: #0b0e14;
  --panel: #0f131b;
  --text: #d7dce4;
  --muted: #8b93a1;
  --accent: #7ee787;
  --warm: #ffa657;
  --line: #1f2632;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 var(--sans);
}

.wrap {
  max-width: 72ch;
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--warm);
  outline-offset: 3px;
}

/* Header and footer */

.site-head {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0 1.25rem;
}

.site-name {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav {
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.site-nav a {
  display: inline-block;
  margin: 0.25rem 1.25rem 0.25rem 0;
}

.site-foot {
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding: 2rem 0 4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.foot-nav {
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-bottom: 1.25rem;
}

.foot-nav a {
  display: inline-block;
  margin: 0.25rem 1.25rem 0.25rem 0;
}

.site-foot p {
  margin: 0.4rem 0;
}

/* Prose */

main {
  padding-top: 2.5rem;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 620;
}

h1 {
  font-size: 1.9rem;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.35rem;
  margin: 3rem 0 1rem;
}

h3 {
  font-size: 1.05rem;
  margin: 2rem 0 0.75rem;
}

p {
  margin: 0 0 1.25rem;
}

ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
}

li {
  margin-bottom: 0.75rem;
}

strong {
  color: #eef1f6;
  font-weight: 620;
}

.lede {
  font-size: 1.1rem;
  color: var(--text);
}

.small {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

/* Hero */

.hero {
  padding-bottom: 1rem;
}

.cta {
  margin: 1.75rem 0 0.9rem;
}

/* Buy button */

.btn {
  display: inline-block;
  font: 620 1rem/1 var(--sans);
  text-decoration: none;
  border: 1px solid transparent;
  padding: 0.95rem 1.5rem;
}

.btn-buy {
  background: var(--accent);
  color: #06210d;
  border-color: var(--accent);
}

.btn-buy:hover {
  background: #96f19d;
  border-color: #96f19d;
}

/* Code */

code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--warm);
}

pre {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1rem;
  margin: 0 0 1.5rem;
  overflow-x: auto;
  max-width: 100%;
}

pre code {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text);
  white-space: pre;
}

/* Screenshot */

figure {
  margin: 0 0 1.5rem;
}

figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.55);
}

figcaption {
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* FAQ */

details {
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
}

details p {
  margin: 0.75rem 0 0.25rem;
  color: var(--muted);
}

summary {
  cursor: pointer;
  font-weight: 620;
  color: var(--text);
}

/* Desktop */

@media (min-width: 46rem) {
  body {
    font-size: 18px;
  }

  h1 {
    font-size: 2.4rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .site-head .wrap {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
  }

  .site-nav {
    margin-top: 0;
  }

  .site-nav a:last-child {
    margin-right: 0;
  }
}