/* GLU Study — cream, navy, gold */
:root {
  --cream: #f4efe4;
  --parchment: #faf6ee;
  --paper: #fffdf8;
  --ink: #1a2744;
  --ink-soft: #3f4b63;
  --muted: #6f675c;
  --navy: #18233c;
  --navy-mid: #243352;
  --gold: #b08d4f;
  --gold-deep: #8f6e35;
  --gold-soft: #e8d7b0;
  --gold-line: rgba(176, 141, 79, 0.35);
  --sage: #2f6a52;
  --sage-bg: #e3efe8;
  --amber: #9a6b24;
  --amber-bg: #f5ead3;
  --rose: #8a4a42;
  --rose-bg: #f3e4df;
  --locked-bg: #ece6db;
  --shadow: 0 12px 32px rgba(24, 35, 60, 0.08);
  --shadow-sm: 0 4px 14px rgba(24, 35, 60, 0.06);
  --radius: 18px;
  --radius-sm: 10px;
  --max: 1120px;
  --read: 42rem;
  --nav-h: 4.25rem;
  --serif: "Fraunces", "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --focus: 0 0 0 3px rgba(176, 141, 79, 0.45);
}

[data-theme="dark"] {
  --cream: #10151d;
  --parchment: #151c26;
  --paper: #1c2430;
  --ink: #f0e6d4;
  --ink-soft: #cfc3ae;
  --muted: #a39886;
  --navy: #e8d7b0;
  --navy-mid: #2a3548;
  --gold: #d4bc86;
  --gold-deep: #e8d7b0;
  --gold-soft: #3a3224;
  --gold-line: rgba(212, 188, 134, 0.28);
  --sage: #8fcead;
  --sage-bg: #1b2e26;
  --amber: #e0b56a;
  --amber-bg: #2e2618;
  --rose: #e0a89f;
  --rose-bg: #2c201e;
  --locked-bg: #232a35;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  background-image:
    radial-gradient(ellipse at 12% -10%, rgba(176, 141, 79, 0.12), transparent 42%),
    radial-gradient(ellipse at 110% 0%, rgba(24, 35, 60, 0.08), transparent 40%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(24, 35, 60, 0.015) 3px, rgba(24, 35, 60, 0.015) 4px);
}
[data-theme="dark"] body::before {
  opacity: 0.7;
  background-image:
    radial-gradient(ellipse at 12% -10%, rgba(212, 188, 134, 0.08), transparent 42%),
    radial-gradient(ellipse at 110% 0%, rgba(0, 0, 0, 0.35), transparent 40%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255, 255, 255, 0.015) 3px, rgba(255, 255, 255, 0.015) 4px);
}

img { max-width: 100%; }
a { color: var(--gold-deep); text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }
:focus-visible { outline: none; box-shadow: var(--focus); }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--navy-mid);
  color: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  z-index: 100;
}
.skip:focus { top: 0.6rem; color: #fff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--parchment) 86%, transparent);
  border-bottom: 1px solid var(--gold-line);
}
.nav-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}
.mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--gold-soft);
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(232, 215, 176, 0.35);
}
[data-theme="dark"] .mark { background: var(--gold-soft); color: var(--gold); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
  list-style: none;
  padding: 0;
}
.nav-links a, .icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}
.nav-links a:hover, .icon-btn:hover {
  background: var(--paper);
  border-color: var(--gold-line);
  color: var(--ink);
}
.icon-btn { width: 2.4rem; height: 2.4rem; justify-content: center; padding: 0; }
.nav-search { margin-left: 0.25rem; }

main { position: relative; z-index: 1; }
.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}
.read { width: min(var(--read), calc(100% - 2rem)); margin-left: auto; margin-right: auto; }

.hero {
  padding: 3.2rem 0 2.4rem;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gold-deep);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.eyebrow::before {
  content: "";
  width: 1.4rem;
  height: 1px;
  background: var(--gold);
}
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 0.6rem;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-optical-sizing: auto; }
h2 { font-size: clamp(1.45rem, 3vw, 1.9rem); }
h3 { font-size: 1.2rem; }
.lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 36rem;
  margin: 0.4rem 0 1.2rem;
}
.epigraph {
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--gold-line);
  max-width: 28rem;
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.05rem;
}
.epigraph cite {
  display: block;
  margin-top: 0.35rem;
  font-style: normal;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 700;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.5rem 0 1.2rem;
}
.section-head p { margin: 0; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
  padding-bottom: 3.5rem;
}
.card {
  background: var(--paper);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.3rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  position: relative;
  overflow: hidden;
}
a.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent 70%);
}
.card-kicker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.card h2 { font-size: 1.45rem; margin: 0; }
.card .topic { color: var(--ink-soft); margin: 0; font-size: 0.98rem; }
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.58rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--locked-bg);
  color: var(--muted);
  border: 1px solid transparent;
}
.chip.complete { background: var(--sage-bg); color: var(--sage); }
.chip.progress, .chip.in-progress { background: var(--amber-bg); color: var(--amber); }
.chip.locked, .chip.not-started { background: var(--locked-bg); color: var(--muted); }
.chip.cert {
  background: transparent;
  color: var(--gold-deep);
  border-color: var(--gold);
}

.progress {
  height: 0.42rem;
  background: var(--locked-bg);
  border-radius: 99px;
  overflow: hidden;
}
.progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold));
  border-radius: inherit;
}
[data-theme="dark"] .progress > span {
  background: linear-gradient(90deg, #8f6e35, var(--gold));
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
  margin: 1.3rem 0 0.6rem;
}
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--gold-deep); }
.page-hero { padding: 0.4rem 0 1.5rem; }
.page-hero .lede { margin-bottom: 0.8rem; }

.lesson-list {
  display: grid;
  gap: 0.7rem;
  padding-bottom: 3.5rem;
}
.lesson-row {
  display: grid;
  grid-template-columns: 3.2rem 1fr auto;
  gap: 0.9rem;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--gold-line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
}
.lesson-row:hover { border-color: var(--gold); }
.num {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--gold-deep);
  text-align: center;
}
.lesson-row h3 { margin: 0; font-size: 1.12rem; }
.lesson-row p { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.92rem; }
.lesson-row .chips { display: flex; gap: 0.35rem; flex-wrap: wrap; justify-content: flex-end; }

.panel {
  background: var(--paper);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem 1.15rem;
  margin: 0 0 1.1rem;
  box-shadow: var(--shadow-sm);
}
.panel-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.45rem;
}
.takeaways { margin: 0.4rem 0 0; padding-left: 1.15rem; }
.takeaways li { margin: 0.45rem 0; }
.takeaways li::marker { color: var(--gold); }

.note {
  font-size: 0.88rem;
  color: var(--amber);
  background: var(--amber-bg);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  margin: 0.7rem 0 0.2rem;
  font-weight: 600;
}

.empty {
  border: 1px dashed var(--gold-line);
  border-radius: 14px;
  padding: 1.15rem 1rem;
  background: color-mix(in srgb, var(--parchment) 70%, var(--paper));
  color: var(--ink-soft);
}
.empty strong { display: block; font-family: var(--serif); font-size: 1.12rem; color: var(--ink); margin-bottom: 0.25rem; }

.qa { display: grid; gap: 0.75rem; margin-top: 0.8rem; }
.qa-section {
  margin: 1.75rem 0 0.55rem;
  font-size: 1.2rem;
}
.qa-section span {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
}
.qa-section:first-of-type { margin-top: 0.4rem; }
.qa-item {
  border-top: 1px solid var(--gold-line);
  padding-top: 0.8rem;
}
.qa-item:first-child { border-top: 0; padding-top: 0; }
.qa-q {
  font-weight: 650;
  margin: 0 0 0.35rem;
}
.qa-a {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: baseline;
}
.ans {
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.12rem 0.55rem;
  border-radius: var(--radius-sm);
  max-width: 100%;
  line-height: 1.45;
}
.ans.true, .ans.false {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
}
.ans.true { background: var(--sage-bg); color: var(--sage); }
.ans.false { background: var(--rose-bg); color: var(--rose); }
.ans:not(.true):not(.false) { background: var(--gold-soft); color: var(--ink); font-weight: 650; }
.why { color: var(--ink-soft); font-size: 0.95rem; }

.essay { margin-top: 0.9rem; }
.essay + .essay { margin-top: 1rem; padding-top: 0.9rem; border-top: 1px solid var(--gold-line); }
.essay h3 { margin-bottom: 0.3rem; }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  margin: 0.4rem 0 3rem;
}
.pager a {
  flex: 1;
  text-decoration: none;
  color: inherit;
  background: var(--paper);
  border: 1px solid var(--gold-line);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font-size: 0.92rem;
}
.pager a span { display: block; color: var(--muted); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.pager a.right { text-align: right; }

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--gold-line);
  padding: 1.4rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: color-mix(in srgb, var(--navy-mid) 28%, transparent);
  display: none;
  padding: 12vh 1rem 2rem;
}
.search-overlay.open { display: block; }
.search-box {
  width: min(40rem, 100%);
  margin: 0 auto;
  background: var(--paper);
  border-radius: 18px;
  border: 1px solid var(--gold-line);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.search-box input {
  width: 100%;
  border: 0;
  padding: 1rem 1.1rem;
  font: inherit;
  font-size: 1.1rem;
  background: transparent;
  color: var(--ink);
  outline: none;
  border-bottom: 1px solid var(--gold-line);
}
.search-results { max-height: 50vh; overflow: auto; padding: 0.4rem; }
.search-hit {
  display: block;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
}
.search-hit:hover, .search-hit.active { background: var(--parchment); }
.search-hit small { display: block; color: var(--muted); }
.search-empty { padding: 1rem; color: var(--muted); }

.gospel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 0.8rem 0 0.2rem;
}
.gospel-table th, .gospel-table td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--gold-line);
  vertical-align: top;
}
.gospel-table th { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold-deep); }

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .lesson-row { grid-template-columns: 2.4rem 1fr; }
  .lesson-row .chips { grid-column: 2; justify-content: flex-start; }
}
@media (max-width: 640px) {
  .nav-links a.nav-text { display: none; }
  h1 { font-size: 2rem; }
  .hero { padding-top: 2rem; }
}

/* —— Study-guide sections —— */
.glance {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.glance-summary {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.55;
}
.glance-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  background: color-mix(in srgb, var(--parchment) 70%, var(--paper));
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
}

.idea-list {
  margin: 0.35rem 0 0;
  padding-left: 1.15rem;
}
.idea-list li {
  margin: 0.5rem 0;
}
.idea-list li::marker {
  color: var(--gold);
  font-weight: 700;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.55rem;
}
.glossary-card {
  background: color-mix(in srgb, var(--parchment) 65%, var(--paper));
  border: 1px solid var(--gold-line);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
}
.glossary-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
  color: var(--gold-deep);
}
.glossary-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.outline-list {
  margin: 0.4rem 0 0;
  padding-left: 1.35rem;
  counter-reset: outline;
  list-style: none;
}
.outline-list li {
  position: relative;
  margin: 0.55rem 0;
  padding-left: 0.35rem;
  counter-increment: outline;
}
.outline-list li::before {
  content: counter(outline);
  position: absolute;
  left: -1.5rem;
  top: 0.05rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--gold-deep);
  font-size: 0.72rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  font-family: var(--sans);
}

.facts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin-top: 0.4rem;
}
.facts-table th,
.facts-table td {
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--gold-line);
  vertical-align: top;
}
.facts-table th {
  width: 32%;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 800;
  white-space: nowrap;
}
.facts-table td {
  color: var(--ink-soft);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.55rem;
}
.compare-card {
  background: var(--paper);
  border: 1px solid var(--gold-line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow-sm);
}
.compare-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}
.compare-card ul {
  margin: 0;
  padding-left: 1.1rem;
}
.compare-card li {
  margin: 0.3rem 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.compare-card li::marker {
  color: var(--gold);
}

.pulpit-list {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
}
.pulpit-list li {
  margin: 0.5rem 0;
  color: var(--ink-soft);
}
.pulpit-list li::marker {
  color: var(--gold-deep);
}

.quick-review {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--gold-soft) 55%, var(--paper)),
    var(--paper)
  );
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem 1.1rem;
  margin: 0 0 1.1rem;
  box-shadow: var(--shadow-sm);
}
.quick-review h2 {
  margin-bottom: 0.45rem;
}
.quick-review ul {
  margin: 0.35rem 0 0;
  padding-left: 1.15rem;
}
.quick-review li {
  margin: 0.4rem 0;
  font-weight: 600;
  color: var(--ink);
}
.quick-review li::marker {
  color: var(--gold-deep);
}

.drill {
  margin-top: 0.35rem;
  border: 1px solid var(--gold-line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--parchment) 50%, var(--paper));
  padding: 0.35rem 0.85rem 0.55rem;
}
.drill > summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink-soft);
  padding: 0.65rem 0.15rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.drill > summary::-webkit-details-marker {
  display: none;
}
.drill > summary::before {
  content: "▸";
  color: var(--gold-deep);
  font-size: 0.85rem;
  transition: transform 0.15s ease;
}
.drill[open] > summary::before {
  transform: rotate(90deg);
}
.drill-body {
  padding: 0.35rem 0 0.5rem;
  border-top: 1px solid var(--gold-line);
  margin-top: 0.15rem;
}

.chip.miss {
  background: var(--rose-bg);
  color: var(--rose);
  border-color: transparent;
}
.qa-item.miss-item {
  background: color-mix(in srgb, var(--rose-bg) 35%, transparent);
  border-radius: 10px;
  padding: 0.75rem 0.7rem 0.65rem;
  border-top: 0;
  margin-top: 0.35rem;
}
.qa-item.miss-item + .qa-item {
  border-top: 1px solid var(--gold-line);
  padding-top: 0.8rem;
}

.study-next {
  margin: 1.1rem 0 0;
  padding: 0.7rem 0.95rem;
  background: var(--paper);
  border: 1px solid var(--gold);
  border-radius: 12px;
  max-width: 36rem;
  font-weight: 650;
  color: var(--ink-soft);
}
.study-next a {
  color: var(--gold-deep);
  font-weight: 700;
  text-decoration: none;
}
.study-next a:hover {
  text-decoration: underline;
}

.takeaways { margin: 0.4rem 0 0; padding-left: 1.15rem; }
.takeaways li { margin: 0.45rem 0; }
.takeaways li::marker { color: var(--gold); }

@media (max-width: 900px) {
  .glossary-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .facts-table th {
    white-space: normal;
    width: 38%;
  }
}
@media (max-width: 640px) {
  .outline-list {
    padding-left: 1.6rem;
  }
  .drill {
    padding-left: 0.65rem;
    padding-right: 0.65rem;
  }
}