/* NuPebbles — one stylesheet for every page.
   No framework, no fonts fetched from anywhere, no JavaScript anywhere.
   The pages must render with every external service down. */

/* ---------- Palette & type ---------- */

:root {
  color-scheme: light dark;

  --ground:        #faf7f2;   /* warm off-white */
  --ground-raised: #fffdf9;   /* cards */
  --ink:           #221d19;   /* near-black with a warm cast */
  --ink-soft:      #5f564e;   /* secondary text */
  --ink-faint:     #756b64;   /* metadata; still ≥ 4.5:1 on --ground */
  --rule:          #e4dcd2;   /* hairlines */
  --accent:        #9a5a3c;   /* clay: the one studio accent */
  --accent-strong: #7e4830;
  --error:         #a33a2a;

  /* Set per card from apps.yml; nothing else may use it. */
  --app-accent: var(--rule);

  --font-text: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, "Times New Roman", serif;
  --font-ui:   -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --measure: 42rem;   /* ~65–70 characters of serif body text */
  --wide:    64rem;
  --gutter:  1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground:        #1b1816;
    --ground-raised: #24201c;
    --ink:           #ece5dc;
    --ink-soft:      #b3a99e;
    --ink-faint:     #948a80;
    --rule:          #3a342e;
    --accent:        #d99a78;
    --accent-strong: #e8b598;
    --error:         #e0705c;
  }
}

/* ---------- Base ---------- */

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

html {
  font-size: 106.25%;               /* 17px */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (min-width: 40em) {
  html { font-size: 112.5%; }       /* 18px once there is room */
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-text);
  line-height: 1.65;
  font-feature-settings: "kern", "liga";
}

main { flex: 1 0 auto; }

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--accent-strong); text-decoration-thickness: 2px; }

a:focus-visible,
.skip-link:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--rule);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -3rem;
  padding: 0.4rem 0.8rem;
  background: var(--ground-raised);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}
.skip-link:focus { top: 0.5rem; z-index: 10; }

.sep { color: var(--ink-faint); margin-inline: 0.35em; }

/* ---------- Site header & footer ---------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-ui);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  min-height: 3.25rem;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand:hover { color: var(--accent); }

.site-footer {
  margin-top: 5rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.site-footer .wrap { padding-block: 1.5rem; }
.site-footer p { margin: 0; }
.site-footer a { color: inherit; }
.site-footer a:hover { color: var(--accent); }

/* ---------- Page headers ---------- */

.page-header {
  padding-top: 3rem;
  margin-bottom: 2.5rem;
}

.page-header--home { margin-bottom: 3rem; }

.eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.eyebrow .sep { margin-inline: 0.5em; }

h1 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: clamp(2rem, 1.4rem + 2.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.meta {
  margin: 0.75rem 0 0;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--ink-faint);
}

.lead {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.page-header .lead { margin: 1rem 0 0; }

/* Tabs to an app's three pages */
.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.5rem;
  margin-top: 1.75rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
}

.app-nav a {
  padding: 0.5rem 0 0.6rem;
  margin-bottom: -1px;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.app-nav a:hover { color: var(--ink); }

.app-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- Prose ---------- */

.prose { max-width: var(--measure); }

.prose h2 {
  margin: 2.5rem 0 0.75rem;
  font-family: var(--font-ui);
  font-size: 1.3rem;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.prose h3 {
  margin: 2rem 0 0.5rem;
  font-family: var(--font-ui);
  font-size: 1.05rem;
  font-weight: 600;
}

.prose p,
.prose ul,
.prose ol { margin: 0 0 1.1rem; }

.prose ul,
.prose ol { padding-left: 1.4rem; }

.prose li { margin-bottom: 0.5rem; }
.prose li::marker { color: var(--ink-faint); }

.prose strong { font-weight: 650; }

.prose hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* The policy is the page people squint at: a touch more air. */
.policy p { line-height: 1.7; }
.policy > .lead { margin-bottom: 2rem; }

/* FAQ: questions read as questions, answers hang beneath. */
.faq h2 {
  margin-top: 2.25rem;
  font-size: 1.15rem;
}
.faq h2 + p { margin-top: 0; }

/* Notices (only used for setup mistakes) */
.notice {
  margin: 3rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--error);
  background: var(--ground-raised);
  font-family: var(--font-ui);
  font-size: 0.95rem;
}
.notice p { margin: 0 0 0.5rem; }
.notice p:last-child { margin-bottom: 0; }

/* ---------- Landing page ---------- */

.apps { margin-bottom: 4rem; }

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--ground-raised);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--app-accent);   /* the app's own colour, here only */
  border-radius: 6px;
  overflow: hidden;
}

.card__body {
  flex: 1 0 auto;
  padding: 1.25rem 1.35rem 0.5rem;
}

.card__name {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card__tagline {
  margin: 0.15rem 0 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.card__blurb {
  margin: 0;
  line-height: 1.55;
}

.card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 0.9rem 1.35rem 1.1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.card__store {
  font-weight: 600;
  text-decoration: none;
}
.card__store:hover { text-decoration: underline; }

.card__soon {
  color: var(--ink-faint);
  font-weight: 500;
}

.card__links { display: flex; gap: 1rem; }

.card__links a {
  color: var(--ink-soft);
  text-decoration: none;
}
.card__links a:hover { color: var(--accent); text-decoration: underline; }

.contact { max-width: var(--measure); }
.contact h2 { margin-top: 0; }

/* The landing page (front matter `wide: true`) gets room for the card grid;
   header and footer follow so everything shares one left edge. */
.wide .wrap { max-width: calc(var(--wide) + 2 * var(--gutter)); }

/* ---------- Print ---------- */

@media print {
  :root { --ground: #fff; --ground-raised: #fff; --ink: #000; --ink-soft: #222; --ink-faint: #444; --accent: #000; }
  .site-header, .site-footer, .app-nav, .skip-link { display: none; }
  body { font-size: 11pt; }
  a { text-decoration: none; }
}