:root {
  --bg: #f4f7f5;
  --ink: #14231c;
  --muted: #5d6f66;
  --accent: #1f7a5c;
  --panel: #ffffff;
  --border: #d5e2db;
  --code-bg: #102019;
  --code-ink: #e7f4ee;
  --page-pad: 1.25rem;
  --shadow: 0 8px 24px rgba(20, 35, 28, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(circle at top left, rgba(31, 122, 92, 0.1), transparent 60%);
}

.page {
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding:
    calc(var(--page-pad) + env(safe-area-inset-top, 0px))
    calc(var(--page-pad) + env(safe-area-inset-right, 0px))
    calc(var(--page-pad) + env(safe-area-inset-bottom, 0px))
    calc(var(--page-pad) + env(safe-area-inset-left, 0px));
}

.hero {
  margin-bottom: 1.25rem;
}

h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  word-break: break-word;
}

h2 {
  margin: 0 0 0.75rem;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.lede {
  margin: 0.875rem 0 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.55;
}

.credit {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.credit strong {
  color: var(--ink);
  font-weight: 600;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

main {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  min-width: 0;
}

.panel {
  min-width: 0;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}

.panel p {
  margin: 0;
  line-height: 1.6;
}

.steps {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.55;
}

.steps li {
  margin-bottom: 0.625rem;
  padding-left: 0.125rem;
}

.steps li:last-child {
  margin-bottom: 0;
}

.code-block {
  max-width: 100%;
  margin: 0;
  padding: 0.875rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 0.5rem;
  background: var(--code-bg);
  color: var(--code-ink);
}

.code-block code {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

footer {
  margin-top: 1.25rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.875rem;
}

footer p {
  margin: 0;
}

@media (min-width: 480px) {
  :root {
    --page-pad: 1.5rem;
    --shadow: 0 12px 32px rgba(20, 35, 28, 0.07);
  }

  h1 {
    font-size: 2.5rem;
  }

  .panel {
    padding: 1.125rem 1.25rem;
  }

  .code-block code {
    font-size: 0.875rem;
  }
}

@media (min-width: 640px) {
  :root {
    --page-pad: 2rem;
  }

  .hero {
    margin-bottom: 1.75rem;
  }

  h1 {
    font-size: 3rem;
  }

  main {
    gap: 1rem;
  }

  .panel {
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
  }

  footer {
    margin-top: 1.75rem;
  }
}