/*
 * whetstonedev.net: one stylesheet for every page.
 *
 * Colours are Brief's Ink tokens (src/theme/tokens.ts): paper and navy in
 * light, navy and paper in dark, coral as the one accent. System fonts only,
 * and nothing here (or anywhere on the site) loads from another host.
 */

:root {
  color-scheme: light dark;

  /* Ink, light (inkLight) */
  --ground: #F2EDE6;
  --surface: #FAF7F2;
  --surface-sunk: #E7E0D5;
  --text: #212739;
  --text-body: #353C50;
  --text-secondary: #474E61;
  --accent: #AA3F1A;
  --on-accent: #F2EDE6;
  --accent-tint: #FCE5DC;
  --line: #D3CABD;
  --shadow: #212739;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: ui-serif, "New York", "Iowan Old Style", Georgia, Cambria, "Times New Roman", serif;
  --measure: 42rem;
  --gutter: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Ink, dark (inkDark) */
    --ground: #212739;
    --surface: #2D3448;
    --surface-sunk: #262D40;
    --text: #F2EDE6;
    --text-body: #E0DBD5;
    --text-secondary: #C8C5C2;
    --accent: #FF8B66;
    --on-accent: #212739;
    --accent-tint: #47343A;
    --line: #363E54;
    --shadow: #141826;
  }
}

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

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--text-body);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */

.wrap {
  width: 100%;
  max-width: calc(var(--measure) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

@media (min-width: 720px) {
  :root { --gutter: 32px; }
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 24px;
  padding-top: 18px;
  padding-bottom: 14px;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--text);
  text-decoration: none;
}

.wordmark:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

main.wrap {
  padding-top: 40px;
  padding-bottom: 64px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 32px;
}

.site-footer p {
  margin: 0;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ── Type ───────────────────────────────────────────────────────────────── */

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.2;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2.125rem, 6vw, 2.875rem);
  letter-spacing: -0.01em;
}

h2 {
  margin: 48px 0 12px;
  font-size: 1.625rem;
  scroll-margin-top: 16px;
}

h3 {
  margin: 28px 0 6px;
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 650;
  scroll-margin-top: 16px;
}

p,
ul,
ol,
dl {
  margin: 0 0 14px;
}

ul,
ol {
  padding-left: 1.25em;
}

li + li {
  margin-top: 6px;
}

/* Lists laid out in a row: no stacking gap. */
.site-nav li + li,
.site-footer li + li {
  margin-top: 0;
}

strong {
  color: var(--text);
  font-weight: 650;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.lede {
  color: var(--text-body);
  font-size: 1.1875rem;
  line-height: 1.55;
}

.meta {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 650;
}

.path {
  color: var(--text);
  font-weight: 600;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

/* ── Focus: always visible ──────────────────────────────────────────────── */

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--text);
  color: var(--ground);
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
}

.skip:focus {
  top: 12px;
}

/* ── Blocks ─────────────────────────────────────────────────────────────── */

.card {
  margin: 0 0 16px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.card > :last-child {
  margin-bottom: 0;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.summary {
  margin: 28px 0 8px;
  box-shadow: 4px 4px 0 var(--shadow);
}

.summary h2 {
  margin: 0 0 10px;
  font-size: 1.375rem;
}

.toc {
  margin: 28px 0 0;
  padding: 16px 20px;
  background: var(--surface-sunk);
  border-radius: 12px;
}

.toc h2 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 650;
}

.toc ol {
  margin: 0;
  columns: 2 15rem;
  column-gap: 32px;
}

.toc li {
  break-inside: avoid;
}

.toc li + li {
  margin-top: 4px;
}

.steps {
  margin: 28px 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  counter-increment: step;
}

.steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  color: var(--accent);
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1;
}

.steps li + li {
  margin-top: 0;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.links li + li {
  margin-top: 0;
}

.button {
  display: inline-block;
  padding: 11px 18px;
  border: 1px solid var(--text);
  border-radius: 999px;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  background: var(--surface);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.button.primary:hover {
  background: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* A third party: name, what they get, a link. */
.party {
  margin: 0 0 12px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.party h3 {
  margin: 0 0 4px;
}

.party dl {
  margin: 0;
}

.party dt {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 650;
}

.party dd {
  margin: 2px 0 0;
}

/* Steps in the app, set as a path. */
.taps {
  margin: 0 0 14px;
  padding: 12px 16px;
  background: var(--surface-sunk);
  border-radius: 10px;
}

/* ── Owner notes: visible on purpose, removed before publishing ─────────── */

.owner {
  display: inline;
  padding: 1px 6px;
  background: var(--accent-tint);
  color: var(--text);
  border: 1px dashed var(--accent);
  border-radius: 4px;
  font-size: 0.9375rem;
  font-weight: 600;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

p.owner,
div.owner {
  display: block;
  margin: 0 0 14px;
  padding: 10px 14px;
}

@media print {
  .site-nav,
  .skip {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
}