:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f5f1;
  color: #22201f;
  --surface: #ffffff;
  --surface-muted: #f0ede8;
  --border: #d9d3cc;
  --text-muted: #625d58;
  --accent: #b94f35;
  --accent-strong: #91371f;
  --link: #075e54;
  --code-bg: #211f1e;
  --code-text: #f6f1ea;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgb(185 79 53 / 10%), transparent 32rem),
    var(--surface-muted);
}

.site-header,
main,
footer {
  width: min(100% - 32px, 1040px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 22px 4px;
}

.site-header nav,
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.brand {
  color: inherit;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

a {
  color: var(--link);
  font-weight: 650;
  text-underline-offset: 3px;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgb(185 79 53 / 45%);
  outline-offset: 4px;
}

main {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 20px 70px rgb(57 44 33 / 12%);
}

section {
  padding: 40px clamp(24px, 6vw, 72px);
}

section + section {
  border-top: 1px solid var(--border);
}

.hero {
  padding-block: clamp(56px, 10vw, 96px);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  max-width: 72ch;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  letter-spacing: -0.035em;
  line-height: 1.1;
}

h3 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
}

p,
li {
  line-height: 1.68;
}

.lede {
  margin: 1.5rem 0 0;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 9px;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  border-color: var(--border);
  background: var(--surface-muted);
  color: inherit;
}

.privacy-note,
.note {
  color: var(--text-muted);
}

.privacy-note {
  margin-top: 1.25rem;
  font-size: 0.92rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
  counter-increment: steps;
}

.steps li::before {
  content: counter(steps);
  display: grid;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.9rem;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
}

.steps strong {
  display: block;
  margin-bottom: 0.35rem;
}

.code-comparison,
.card-grid,
.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.code-comparison article,
.card,
.choice-grid article {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
}

.rich-sample {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
}

.rich-sample h4 {
  margin: 0 0 0.8rem;
  font-size: 1.25rem;
}

.rich-sample p,
.rich-sample ul {
  margin-block: 0.65rem;
}

pre {
  overflow-x: auto;
  margin: 0;
  padding: 1rem;
  border-radius: 9px;
  background: var(--code-bg);
  color: var(--code-text);
  font-size: 0.88rem;
  line-height: 1.55;
  tab-size: 2;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

p code,
li code {
  padding: 0.12em 0.32em;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-muted);
  font-size: 0.92em;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.guide-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-grid.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-grid ol {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.method-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-muted);
}

.method-table th,
.method-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.method-table thead th {
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.method-table tbody tr:last-child th,
.method-table tbody tr:last-child td {
  border-bottom: 0;
}

.source-note {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.card p,
.choice-grid p {
  margin-bottom: 0;
}

.callout {
  background: #f8ede7;
}

.checklist {
  padding-left: 1.25rem;
}

.checklist li::marker {
  color: var(--accent);
}

.faq-list {
  border-top: 1px solid var(--border);
}

details {
  border-bottom: 1px solid var(--border);
}

summary {
  padding: 1rem 0;
  cursor: pointer;
  font-weight: 750;
}

details p {
  margin-top: 0;
  padding-bottom: 1rem;
}

.final-cta {
  text-align: center;
}

.final-cta h2,
.final-cta p {
  margin-inline: auto;
}

footer {
  padding: 28px 4px 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer p {
  margin-bottom: 0;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #181716;
    color: #f1ece7;
    --surface: #242220;
    --surface-muted: #2d2a27;
    --border: #4a4540;
    --text-muted: #c5bdb5;
    --accent: #d96e50;
    --accent-strong: #f18a6c;
    --link: #78d8c9;
    --code-bg: #151413;
    --code-text: #f7f1ea;
  }

  body {
    background:
      radial-gradient(circle at top left, rgb(217 110 80 / 13%), transparent 32rem),
      #181716;
  }

  main {
    box-shadow: none;
  }

  .callout {
    background: #332620;
  }
}

@media (max-width: 840px) {
  .steps,
  .steps.four-up,
  .card-grid,
  .guide-grid,
  .choice-grid,
  .choice-grid.two-up {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    border-radius: 12px;
  }

  section {
    padding: 32px 22px;
  }

  .steps,
  .steps.four-up,
  .code-comparison,
  .card-grid,
  .guide-grid,
  .choice-grid,
  .choice-grid.two-up {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}