/* Church History site: parchment pages in light mode, ink pages in dark mode. */

:root {
  --bg: #f6f1e7;
  --surface: #fffdf8;
  --ink: #1f1b16;
  --muted: #6b6155;
  --line: #e2d8c6;
  --accent: #8a2b2b;
  --accent-ink: #fff8ef;
  --gold: #a87b1f;
  --chip: #efe6d4;
  --shadow: 0 1px 2px rgb(60 40 10 / 0.06), 0 8px 24px rgb(60 40 10 / 0.08);
  --serif: "EB Garamond", Garamond, "Times New Roman", serif;
  --sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14120f;
    --surface: #1c1915;
    --ink: #eee6d8;
    --muted: #a99d8b;
    --line: #322c24;
    --accent: #d77a6a;
    --accent-ink: #1a0f0c;
    --gold: #d4a94a;
    --chip: #2a251e;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px rgb(0 0 0 / 0.3);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

img {
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--gold);
  font: 600 0.75rem/1.2 var(--sans);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Masthead and footer */

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1rem;
}

.brand {
  color: var(--ink);
  font: 600 1.4rem/1 var(--serif);
  text-decoration: none;
}

.brand span {
  color: var(--muted);
  font-style: italic;
  font-weight: 400;
}

.masthead nav {
  display: flex;
  gap: 1.25rem;
}

.masthead nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}

.masthead nav a:hover {
  color: var(--accent);
}

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

.colophon {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
  padding: 2rem 1rem 3rem;
}

.colophon p {
  max-width: 40rem;
  margin: 0 auto;
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font: 600 0.85rem/1.2 var(--sans);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

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

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

.button.primary:hover {
  filter: brightness(1.08);
}

.button.ghost {
  background: transparent;
}

/* Home page */

.intro {
  max-width: 46rem;
  padding: 3rem 0 2rem;
}

.intro h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 7vw, 4.25rem);
}

.intro h1 em {
  display: block;
  color: var(--muted);
  font-weight: 400;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.15rem;
}

.era h2 {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 3rem 0 1.25rem;
  font-size: 2rem;
}

.era h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.weeks {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.week {
  display: grid;
  grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.thumb {
  display: block;
  min-height: 100%;
  background: var(--chip);
}

.thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.week-body {
  padding: 1.25rem 1.5rem 1.4rem;
}

.week h3 {
  margin: 0 0 0.75rem;
  font-size: 1.6rem;
}

.week h3 a {
  color: inherit;
  text-decoration: none;
}

.week h3 a:hover {
  color: var(--accent);
}

.week dl {
  display: grid;
  gap: 0.3rem;
  margin: 0 0 1rem;
  font-size: 0.92rem;
}

.week dl div {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 0.75rem;
}

.week dt {
  color: var(--muted);
  font-weight: 600;
}

.week dd {
  margin: 0;
}

.week-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

@media (max-width: 40rem) {
  .week {
    grid-template-columns: 1fr;
  }

  .thumb {
    aspect-ratio: 16 / 9;
  }

  .week dl div {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* Unit pages */

.unit {
  max-width: 50rem;
  margin: 0 auto;
}

.unit-head {
  padding: 2rem 0 1rem;
}

.unit-head h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
}

.unit-head h1 span {
  display: block;
  color: var(--muted);
  font-size: 0.55em;
  font-style: italic;
  font-weight: 400;
}

.unit-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  font-weight: 500;
}

.unit-nav a {
  text-decoration: none;
}

.unit-links {
  display: flex;
  gap: 1rem;
}

.unit-links a[aria-current] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
}

article > .unit-nav:last-child {
  margin-top: 3rem;
}

.hero {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 1.5rem 0;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.hero img {
  display: block;
  width: 100%;
  max-height: 26rem;
  object-fit: cover;
}

.hero span {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgb(20 16 12 / 0.72);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.toggle {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.875rem;
  cursor: pointer;
}

/* Long-form prose */

.prose h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 2rem;
}

.prose h3 {
  margin: 2.5rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--gold);
  font-size: 1.65rem;
}

.prose ul {
  padding-left: 1.2rem;
}

.prose li {
  margin: 0.7rem 0;
}

.prose li::marker {
  color: var(--gold);
}

.prose li li {
  margin: 0.4rem 0;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--chip);
  font-size: 0.95rem;
  list-style: none;
}

.prose table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.prose th,
.prose td {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 1.25rem;
  border-left: 3px solid var(--gold);
  color: var(--muted);
  font: italic 1.2rem/1.5 var(--serif);
}

.src {
  display: inline-block;
  max-width: 100%;
  margin: 0.1rem 0;
  padding: 0.05rem 0.5rem;
  overflow: hidden;
  border-radius: 6px;
  background: var(--chip);
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.6;
  text-decoration: none;
  text-overflow: ellipsis;
  vertical-align: baseline;
  white-space: nowrap;
}

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

.hide-sources .src {
  display: none;
}

.artwork img {
  display: block;
  margin: 1.5rem auto;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.doc {
  max-width: 50rem;
  margin: 2rem auto 0;
}