/* Cittadella site. Colors and type: Cittadella/docs/design/DESIGN.md
   (travertine paper, dark ink, Pompeian red for the one action, bronze for
   citations; serif for passages and titles, the system sans for the interface). */

:root {
  color-scheme: light dark;
  --paper: #F7F3EC;
  --surface: #FFFFFF;
  --sunken: #EFE9DE;
  --rule: rgba(31, 27, 22, 0.10);
  --rule-strong: rgba(31, 27, 22, 0.20);
  --ink: #1F1B16;
  --ink-2: #5B5348;
  --ink-3: #776E62;
  --pompeian: #A3372A;
  --on-pompeian: #FFFFFF;
  --bronze: #7E5F25;
  --dawn: #B8701F;
  --dusk: #3D4A7A;
  --serif: ui-serif, "New York", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-control: 12px;
  --radius-card: 18px;
  --radius-sheet: 28px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14130F;
    --surface: #1E1C17;
    --sunken: #0E0D0A;
    --rule: rgba(238, 232, 221, 0.12);
    --rule-strong: rgba(238, 232, 221, 0.24);
    --ink: #EEE8DD;
    --ink-2: #B3AA9C;
    --ink-3: #918878;
    --pompeian: #E0806F;
    --on-pompeian: #1A0F0C;
    --bronze: #C9A55F;
    --dawn: #E8B26A;
    --dusk: #9FB0E8;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.6 var(--sans);
}

a { color: var(--pompeian); text-underline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1, h2 { text-wrap: balance; }
h1 { font-size: clamp(32px, 6.5vw, 50px); letter-spacing: -0.01em; }
h2 { font-size: clamp(25px, 4.2vw, 32px); margin-top: 1.8em; }
h3 { font-size: 22px; margin-top: 1.2em; }

p, li { max-width: 68ch; }

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--surface);
  padding: 8px 12px;
  border-radius: var(--radius-control);
}
.skip:focus { left: 16px; z-index: 10; }

:focus-visible { outline: 3px solid var(--pompeian); outline-offset: 2px; }

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  flex-wrap: wrap;
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-name { font: 600 24px/1 var(--serif); letter-spacing: 0.04em; }
.mark { display: block; }
.mark-field { fill: var(--pompeian); }
.mark-gate { fill: none; stroke: var(--paper); stroke-width: 2.4; stroke-linecap: round; }
.mark-wall { fill: none; stroke: var(--paper); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.site-header nav { display: flex; gap: 6px 18px; flex-wrap: wrap; }
.site-header nav a { color: var(--ink); text-decoration: none; font-weight: 600; padding: 6px 0; }
.site-header nav a:hover { color: var(--pompeian); }

main { padding-bottom: 48px; }

.notice {
  background: var(--sunken);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-control);
  padding: 10px 14px;
  font-size: 15px;
  color: var(--ink-2);
  max-width: none;
}

.eyebrow {
  font: 600 13px/1.3 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 8px;
}

.fine { color: var(--ink-3); font-size: 15px; }
.lede { font-size: 20px; color: var(--ink-2); }

/* Hero ---------------------------------------------------------------------- */

.hero {
  display: grid;
  gap: 32px;
  align-items: center;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  padding: 28px 0 8px;
}

.hero-figure { margin: 0; }

.passage-card, .name-note {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 24px 26px;
}

/* Passages ------------------------------------------------------------------- */

.passage-text {
  margin: 0;
  padding: 0;
  border: 0;
  font: 400 21px/1.62 var(--serif);
  color: var(--ink);
}
.passage-text p { margin: 0 0 0.75em; max-width: 36em; }
.passage-text p:last-child { margin-bottom: 0; }
.hero .passage-text { font-size: 22px; }

.cite {
  font: 600 13px/1.4 var(--sans);
  font-variant-caps: all-small-caps;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--bronze);
  margin: 14px 0 6px;
}
.cite a { color: var(--bronze); text-decoration: none; }
.cite a:hover { text-decoration: underline; }

.passage {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: clamp(20px, 5vw, 44px);
}
.passage h1 { font-size: clamp(24px, 4.6vw, 32px); color: var(--ink-2); margin-bottom: 0.8em; }
.passage .passage-text { font-size: clamp(20px, 2.6vw, 22px); }

.how-to-cite h2 { font-size: 18px; font-family: var(--sans); margin-top: 1.6em; }
.cite-line {
  background: var(--sunken);
  border-radius: var(--radius-control);
  padding: 10px 14px;
  font-size: 15px;
  overflow-wrap: anywhere;
  max-width: none;
}

.chips { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { margin: 0; }
.chips a {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  background: var(--surface);
}
.chips a:hover { border-color: var(--pompeian); color: var(--pompeian); }

.crumbs ol { list-style: none; padding: 0; margin: 8px 0 16px; display: flex; flex-wrap: wrap; gap: 4px; font-size: 15px; color: var(--ink-3); }
.crumbs li + li::before { content: "›"; margin: 0 6px 0 2px; color: var(--ink-3); }
.crumbs a { color: var(--ink-2); }

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}
.pager a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-control);
  padding: 12px 16px;
  text-decoration: none;
  color: var(--ink);
}
.pager a span { display: block; font-size: 13px; color: var(--ink-3); }
.pager a[rel="next"] { text-align: right; grid-column: 2; }

.page-head { margin: 8px 0 20px; }

.passage-list, .groups, .theme-list, .work-cards { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 10px; }
.passage-list li, .groups li, .theme-list li { max-width: none; margin: 0; }
.passage-list a, .groups a, .theme-list a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-control);
  padding: 12px 16px;
  text-decoration: none;
  color: var(--ink);
}
.passage-list a:hover, .groups a:hover, .theme-list a:hover { border-color: var(--pompeian); }
.item-ref { display: block; font: 600 13px/1.4 var(--sans); letter-spacing: 0.04em; text-transform: uppercase; color: var(--bronze); }
.item-count { display: block; font-size: 14px; color: var(--ink-3); }
.item-text { display: block; font: 400 17px/1.5 var(--serif); margin-top: 2px; }
.theme-list { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.theme-list .item-ref { text-transform: none; font-size: 17px; letter-spacing: 0; color: var(--ink); }
.work-cards { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.work-cards h2 { margin-top: 0; font-size: 24px; }
.work-cards h2 a { color: var(--ink); text-decoration: none; }

.author-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.author-grid h2 { margin-top: 0; }
.author-grid h2 a { color: var(--ink); text-decoration: none; }

.app-cta {
  border-top: 1px solid var(--rule-strong);
  margin-top: 40px;
  padding-top: 8px;
}
.app-cta h2 { font-size: 24px; }

/* Buttons --------------------------------------------------------------------- */

.stores { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }

.button {
  display: inline-block;
  background: var(--pompeian);
  color: var(--on-pompeian);
  padding: 13px 22px;
  border-radius: var(--radius-control);
  font: 600 17px/1.2 var(--sans);
  text-decoration: none;
}
.button:hover { filter: brightness(1.08); }
.button-pending {
  background: var(--sunken);
  color: var(--ink-2);
  border: 1px dashed var(--rule-strong);
  cursor: default;
}
.button-pending:hover { filter: none; }

/* Cards and plans ----------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin: 24px 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: 22px 24px;
}
.card h3 { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card-wide { grid-column: 1 / -1; }
.parts { grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr)); }
.works-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.works-grid .item-ref { font-family: var(--serif); font-size: 21px; letter-spacing: 0; text-transform: none; color: var(--ink); }

.accent-dawn { box-shadow: inset 3px 0 0 var(--dawn); }
.accent-dusk { box-shadow: inset 3px 0 0 var(--dusk); }
.accent-bronze { box-shadow: inset 3px 0 0 var(--bronze); }
.accent-ink { box-shadow: inset 3px 0 0 var(--ink-2); }
.accent-pompeian { box-shadow: inset 3px 0 0 var(--pompeian); }

.plans ul { padding-left: 20px; }
.plans li { margin: 6px 0; }
.card-pro { border: 2px solid var(--bronze); }
.price { font-family: var(--serif); font-size: 20px; margin: 0; }
.price strong { font-size: 30px; }
.price-sub { color: var(--ink-2); font-size: 16px; margin-top: 4px; }

.paper-note {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sheet);
  padding: clamp(20px, 5vw, 36px);
  margin: 40px 0;
}
.paper-note h2 { margin-top: 0; }

.checks { list-style: none; padding: 0; }
.checks li { position: relative; padding-left: 30px; margin: 10px 0; }
.checks li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.45em;
  width: 12px;
  height: 7px;
  border-left: 3px solid var(--bronze);
  border-bottom: 3px solid var(--bronze);
  transform: rotate(-45deg);
}

.closing { text-align: center; margin: 48px 0 16px; }
.closing h2 { margin-top: 0; }
.closing .stores { justify-content: center; }

/* Legal and support pages ------------------------------------------------------------- */

.legal {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-card);
  padding: clamp(20px, 5vw, 48px);
  margin-top: 8px;
}
.legal h1 { font-size: clamp(30px, 6vw, 42px); }
.legal h2 { font-size: 24px; }
.legal li { margin: 6px 0; }

.table { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; min-width: 320px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-size: 15px; color: var(--ink-2); font-weight: 700; }
td { font-variant-numeric: tabular-nums; }

blockquote { margin: 16px 0; padding: 4px 16px; border-left: 3px solid var(--bronze); color: var(--ink-2); }
code { font-size: 0.9em; overflow-wrap: anywhere; }

/* Footer ---------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule-strong);
  padding: 24px 0 40px;
  color: var(--ink-3);
  font-size: 15px;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 12px 0; }
.site-footer a { color: var(--ink-2); }
.site-footer .disclaimer { color: var(--ink-2); }

@media (max-width: 760px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  body { font-size: 17px; }
  .site-header { flex-direction: column; align-items: flex-start; padding: 16px 0; }
  .pager { grid-template-columns: 1fr; }
  .pager a[rel="next"] { grid-column: 1; text-align: left; }
  .stores .button { flex: 1 1 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition: none; }
}