:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #5d5a53;
  --rule: #e2dfd6;
  --accent: #2f5d50;
  --accent-soft: #e4eee9;
  --code-bg: #efede6;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141513;
    --surface: #1c1e1b;
    --text: #ecebe6;
    --muted: #a7a59d;
    --rule: #2e302c;
    --accent: #8fc7b3;
    --accent-soft: #1f2d28;
    --code-bg: #262824;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 4.5rem 1.25rem 3rem;
}

.hero { margin-bottom: 4rem; }

.mark {
  margin: 0 0 1.5rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.lede {
  margin: 1.25rem 0 0;
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 36rem;
}

section { margin-bottom: 3.5rem; }

h2 {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

p { margin: 0 0 0.75rem; }

.blocker {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.25rem 1.35rem 0.6rem;
  margin-bottom: 1rem;
}

.ask {
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.who {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: 0.12em;
}

.outcome {
  color: var(--accent);
  font-weight: 600;
}

code {
  font: 0.88em/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--code-bg);
  padding: 0.12em 0.35em;
  border-radius: 4px;
}

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.25rem 3rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: var(--surface);
  display: grid;
  place-items: center;
  font-weight: 650;
  font-size: 0.95rem;
  color: var(--accent);
}

footer {
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  color: var(--muted);
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

@media (max-width: 30rem) {
  main { padding-top: 3rem; }
  .steps li { padding-left: 2.6rem; }
}