:root {
  --paper: #f4efe3;
  --ink: #111417;
  --ink-soft: rgba(17, 20, 23, 0.74);
  --line: rgba(17, 20, 23, 0.14);
  --accent: #aa4322;
}

* {
  box-sizing: border-box;
}

html {
  background:
    radial-gradient(circle at top left, rgba(170, 67, 34, 0.14), transparent 28rem),
    linear-gradient(180deg, #faf6ed 0%, #f1e8d8 100%);
  color: var(--ink);
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

h1,
h2,
p,
ul,
ol {
  margin: 0;
}

.page-shell {
  width: min(760px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero {
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.hero__eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(3.2rem, 10vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.hero__lede {
  margin-top: 0.85rem;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.35;
  color: var(--ink);
}

.hero__body {
  max-width: 40rem;
  margin-top: 1rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.hero__link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

.content {
  display: grid;
  gap: 2rem;
  padding-top: 2rem;
}

.section {
  padding-top: 0.25rem;
}

.section + .section {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.section h2 {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section p,
.list,
.steps {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.72;
}

.list,
.steps {
  margin-top: 0.85rem;
  padding-left: 1.2rem;
}

.list li + li,
.steps li + li {
  margin-top: 0.35rem;
}

.footer {
  padding-top: 2rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 1.5rem, 760px);
    padding-top: 1.25rem;
  }

  .hero {
    padding-top: 1.25rem;
    padding-bottom: 2rem;
  }

  .content {
    gap: 1.6rem;
    padding-top: 1.6rem;
  }

  .section + .section {
    padding-top: 1.6rem;
  }
}