:root {
  color-scheme: only light;
  --bg: #f4f1eb;
  --surface: #fffdf8;
  --surface-strong: #f7f2e8;
  --text: #172126;
  --muted: #556168;
  --border: #d9d3c7;
  --accent: #184c45;
  --accent-strong: #0f372f;
  --accent-soft: #edf4f2;
  --danger-bg: #fbe8e4;
  --danger-text: #8d2d1c;
  --warn-bg: #fff2dd;
  --warn-text: #8a580f;
  --success-text: #21553d;
  --shadow: 0 24px 48px rgba(17, 27, 34, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top left, rgba(24, 76, 69, 0.08), transparent 30%),
    linear-gradient(180deg, #faf7f1 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.55;
}

body {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

code,
pre {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}

pre {
  max-height: 420px;
  margin: 18px 0 0;
  overflow: auto;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #12211f;
  color: #ecf5f0;
  font-size: 0.82rem;
  line-height: 1.45;
}

.shell {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
}

.shell-header,
.shell-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
}

.shell-main {
  padding-bottom: 48px;
}

.shell-footer {
  color: var(--muted);
  font-size: 0.94rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 42px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.brand-copy {
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
}

.hero,
.grid,
.steps,
.field-grid {
  display: grid;
  gap: 20px;
}

.hero {
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  align-items: start;
  margin: 10px 0 28px;
}

.hero-copy h1,
.page-intro h1 {
  margin: 0 0 12px;
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  line-height: 1.05;
}

.hero-card,
.card,
.alert {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card,
.card {
  padding: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
}

.lede,
.body-copy,
p,
small {
  color: var(--muted);
}

.lede,
.body-copy {
  margin: 0;
  max-width: 68ch;
}

.page-intro {
  margin: 34px 0 24px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button,
button,
.result-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.button:hover,
button:hover,
.result-links a:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button-secondary,
.button-quiet {
  background: transparent;
  color: var(--accent);
}

.button-quiet {
  min-height: 40px;
}

.small-button {
  min-height: 38px;
  margin-top: 12px;
  font-size: 0.92rem;
}

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

.steps {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.steps-vertical {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}

.step-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
}

.check-list,
.bullet-list,
.status-list {
  margin: 0;
  padding-left: 20px;
}

.status-list {
  list-style: none;
  padding: 0;
  margin-top: 18px;
}

.status-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.status-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.status-pass strong {
  color: var(--success-text);
}

.status-warning strong {
  color: var(--warn-text);
}

.status-fail strong {
  color: var(--danger-text);
}

.alert {
  padding: 20px 22px;
  margin-bottom: 22px;
}

.alert-warning {
  background: var(--warn-bg);
  color: var(--warn-text);
}

.alert-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.compact-alert {
  margin-top: 18px;
}

.section-card,
.form-card,
.side-card {
  padding: 28px;
}

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

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.field span,
.inline-code-label,
.mini-meta span {
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

.field textarea {
  resize: vertical;
}

.form-note {
  margin: 6px 0 16px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.95rem;
}

.scope-field {
  display: grid;
  gap: 12px;
  margin: 0 0 16px;
  padding: 0;
  border: 0;
}

.scope-field legend {
  margin-bottom: 2px;
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.radio-card,
.checkbox-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
}

.radio-card input,
.checkbox-row input {
  width: auto;
  margin-top: 5px;
}

.radio-card span {
  display: grid;
  gap: 2px;
}

.checkbox-row {
  margin-bottom: 12px;
}

.card-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.mini-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--accent-soft);
}

.mini-meta strong {
  max-width: 260px;
  overflow-wrap: anywhere;
  color: var(--accent);
  font-size: 0.88rem;
}

.inline-code-block {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

.inline-code-block code {
  overflow-wrap: anywhere;
  color: var(--accent);
  font-weight: 700;
}

.result-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.result-links a {
  min-height: 42px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

@media (max-width: 860px) {
  .shell-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero,
  .two-up,
  .form-layout,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .card-heading {
    flex-direction: column;
  }
}