/* ---------------------------------------------------------------------------
   atonement-theories — site chrome.

   Palette is inherited from the map (map/index.html) so moving between the
   essays and the diagram doesn't feel like crossing into a different site.
   Prose is serif; chrome is system sans.
--------------------------------------------------------------------------- */

:root {
  --bg: #0b0b0c;
  --bg-raised: #15161a;
  --bg-sunken: #100f12;
  --line: #2a2c33;
  --line-soft: #212329;
  --ink: #e5e7eb;
  --ink-soft: #cbd5e1;
  --muted: #9ca3af;
  --dim: #8b8f9a;
  --accent: #e9d8bf;
  --link: #93c5fd;
  --link-hover: #bfdbfe;
  --blue: #3b82f6;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;

  --wrap: 1080px;
  --measure: 42rem;

  /* Height of the sticky header, and how far below the top of the viewport an
     anchor target should come to rest. Keep --anchor-offset comfortably below
     the scrollspy threshold in _templates/page.html (96px) — a heading that
     lands *past* that line would highlight the previous section instead. */
  --head-h: 58px;
  --anchor-offset: 84px;

  color-scheme: dark;
}

/* Jumping to #some-heading scrolls it to y=0, which is underneath the sticky
   header. scroll-margin-top reserves that space so the target lands below it.
   Applied to anything addressable — headings, footnotes, footnote backrefs. */
[id] { scroll-margin-top: var(--anchor-offset); }

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--link); text-decoration-color: rgba(147, 197, 253, 0.4); text-underline-offset: 2px; }
a:hover { color: var(--link-hover); text-decoration-color: currentColor; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--bg-raised); color: var(--ink); padding: 12px 18px; border-radius: 0 0 10px 0;
}
.skip:focus { left: 0; }

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

/* --- header ------------------------------------------------------------- */

.site-head {
  position: sticky; top: 0; z-index: 40;
  background: rgba(11, 11, 12, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.head-inner { display: flex; align-items: center; gap: 16px; min-height: 58px; }

.brand {
  font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none; margin-right: auto;
}
.brand:hover { color: var(--accent); }

.site-nav { display: flex; gap: 22px; }
.site-nav a {
  font-size: 14px; color: var(--muted); text-decoration: none; white-space: nowrap;
  padding: 4px 0; border-bottom: 1.5px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.here { color: var(--accent); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none; width: 40px; height: 40px; padding: 9px 8px;
  background: none; border: 1px solid var(--line); border-radius: 9px; cursor: pointer;
  flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg-raised); border-bottom: 1px solid var(--line);
    padding: 6px 20px 14px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--line-soft); font-size: 16px; }
  .site-nav a.here { border-bottom-color: var(--line-soft); }
}

/* --- hero --------------------------------------------------------------- */

.hero { padding: 72px 0 48px; border-bottom: 1px solid var(--line-soft); }
.hero .wrap { max-width: 760px; }

.kicker {
  font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dim); margin: 0 0 14px; font-weight: 700;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 6.2vw, 56px); line-height: 1.08; letter-spacing: -0.02em;
  margin: 0 0 20px; font-weight: 600;
}
.lede {
  font-family: var(--serif);
  font-size: clamp(18px, 2.4vw, 21px); line-height: 1.55; color: var(--ink-soft);
  margin: 0 0 30px;
}
.lede em { color: var(--accent); font-style: italic; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { font-size: 14px; color: var(--dim); margin: 20px 0 0; }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 11px;
  border: 1px solid var(--line); background: var(--bg-raised);
  color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 600;
}
.btn:hover { background: #23252c; border-color: #3a3d46; color: var(--ink); }
.btn-primary { background: var(--accent); color: #17130c; border-color: var(--accent); }
.btn-primary:hover { background: #f3e6d2; border-color: #f3e6d2; color: #17130c; }

/* --- sections ----------------------------------------------------------- */

.section-label {
  font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dim); font-weight: 700; margin: 0 0 20px;
}

.cards { padding: 54px 20px; }

.card-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}
.card {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: #3f434e; transform: translateY(-2px); }
.card > a { display: block; color: inherit; text-decoration: none; height: 100%; }
.card-featured { grid-column: 1 / -1; border-color: rgba(233, 216, 191, 0.35); }
.card-featured h3 { font-size: 27px; }

.card-image { background: var(--bg-sunken); border-bottom: 1px solid var(--line); }
.card-image img { display: block; width: 100%; height: 170px; object-fit: cover; object-position: top center; opacity: 0.85; }
.card:hover .card-image img { opacity: 1; }

.card-body { padding: 22px 22px 24px; }
.card-kicker {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--dim); font-weight: 700; margin: 0 0 8px;
}
.card h3 {
  font-family: var(--serif); font-size: 22px; line-height: 1.2; font-weight: 600;
  margin: 0 0 10px; color: var(--ink);
}
.card-blurb { margin: 0 0 14px; font-size: 15px; line-height: 1.55; color: var(--ink-soft); }
.card-meta { margin: 0; font-size: 13px; color: var(--dim); }

.argument { padding: 10px 20px 54px; }
.argument-body {
  max-width: var(--measure);
  font-family: var(--serif); font-size: 18px; line-height: 1.65; color: var(--ink-soft);
  border-left: 3px solid var(--line); padding-left: 22px;
}
.argument-body p { margin: 0 0 16px; }
.argument-body em { color: var(--accent); }
.argument-more { font-family: var(--sans); font-size: 15px; }

.nervous { padding: 0 20px 72px; }
.nervous-inner {
  background: rgba(59, 130, 246, 0.07);
  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 16px; padding: 30px 28px;
}
.nervous h2 { font-family: var(--serif); font-size: 24px; line-height: 1.25; margin: 0 0 12px; font-weight: 600; }
.nervous p { margin: 0 0 18px; color: var(--ink-soft); max-width: var(--measure); }
.nervous p:last-child { margin: 0; }

/* --- prose pages -------------------------------------------------------- */

.prose-wrap { padding: 46px 20px 70px; max-width: 780px; }

.prose-head { margin-bottom: 34px; }
.prose-head h1 {
  font-family: var(--serif); font-size: clamp(30px, 5.4vw, 44px); line-height: 1.12;
  letter-spacing: -0.02em; margin: 0 0 12px; font-weight: 600;
}
.subtitle {
  font-family: var(--serif); font-size: 20px; line-height: 1.4; font-style: italic;
  color: var(--accent); margin: 0 0 14px;
}
.prose-meta { font-size: 13.5px; color: var(--dim); margin: 0; }
.headline {
  font-family: var(--serif); font-size: 19px; line-height: 1.4; color: var(--accent);
  margin: 14px 0 0; padding-top: 14px; border-top: 1px solid var(--line);
}

.crumbs { font-size: 13.5px; color: var(--dim); margin: 0 0 22px; }
.crumbs a { color: var(--muted); }
.crumbs span[aria-hidden] { padding: 0 6px; }

.tag {
  display: inline-block; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 4px 11px; border-radius: 999px; margin-bottom: 14px; font-weight: 700;
}

.prose { font-family: var(--serif); font-size: 18.5px; line-height: 1.68; color: #eceef2; }
.prose > *:first-child { margin-top: 0; }
.prose p { margin: 0 0 20px; }
.prose strong { color: #fff; font-weight: 600; }
.prose em { color: var(--accent); }

.prose h1 { font-size: 32px; line-height: 1.2; margin: 48px 0 16px; font-weight: 600; }
.prose h2 {
  font-size: 26px; line-height: 1.25; margin: 46px 0 14px; font-weight: 600;
  color: var(--accent); padding-top: 18px; border-top: 1px solid var(--line-soft);
}
.prose h3 { font-size: 20px; margin: 32px 0 10px; font-weight: 600; color: var(--ink); }
.prose h4 { font-size: 17px; margin: 26px 0 8px; font-weight: 700; color: var(--muted); }

.prose h2 .anchor, .prose h3 .anchor {
  opacity: 0; margin-left: 8px; font-size: 0.6em; text-decoration: none; vertical-align: middle;
}
.prose h2:hover .anchor, .prose h3:hover .anchor { opacity: 0.45; }

.prose ul, .prose ol { margin: 0 0 20px; padding-left: 1.4em; }
.prose li { margin-bottom: 9px; }
.prose li > ul, .prose li > ol { margin-top: 9px; }

.prose blockquote {
  margin: 26px 0; padding: 4px 0 4px 20px;
  border-left: 3px solid var(--line); color: var(--ink-soft); font-style: italic;
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85em;
  background: var(--bg-raised); border: 1px solid var(--line-soft);
  padding: 1px 6px; border-radius: 5px;
}
.prose pre {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; overflow-x: auto; font-size: 14px; line-height: 1.5;
}
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; }

/* Tables carry a lot of the long essay's weight; they scroll on small screens
   rather than squashing the prose column. */
.prose table {
  width: 100%; border-collapse: collapse; margin: 0 0 24px;
  font-family: var(--sans); font-size: 14.5px; line-height: 1.45;
}
.prose thead th {
  text-align: left; background: var(--bg-raised); color: var(--accent);
  font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 11px 13px; border-bottom: 1px solid var(--line);
}
.prose td { padding: 11px 13px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.prose tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
@media (max-width: 700px) {
  .prose table { display: block; overflow-x: auto; white-space: nowrap; }
  .prose td, .prose th { white-space: normal; min-width: 150px; }
}

.prose .footnote {
  margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 15px; color: var(--muted); font-family: var(--sans);
}
.prose .footnote ol { padding-left: 1.2em; }
.prose .footnote li { margin-bottom: 8px; }
.prose sup a { text-decoration: none; padding: 0 2px; }

/* --- table of contents -------------------------------------------------- */

.toc {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 22px; margin: 0 0 40px; font-family: var(--sans); font-size: 14.5px;
}
.toc-label {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dim); font-weight: 700; margin: 0 0 12px;
}
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc > .toc ul ul, .toc ul ul { padding-left: 14px; margin-top: 4px; }
.toc a {
  display: block; padding: 5px 0; color: var(--muted); text-decoration: none;
  border-left: 2px solid transparent; padding-left: 10px; margin-left: -12px;
}
.toc a:hover { color: var(--ink); }
.toc a.active { color: var(--accent); border-left-color: var(--accent); }
.toc ul ul a { font-size: 13.5px; }

@media (min-width: 800px) {
  /* Float the contents into the left margin on wide screens rather than
     making the reader scroll past it. */
  body.has-toc .prose-wrap { max-width: 1000px; padding-left: 300px; position: relative; }
  body div.prose p { text-align: justify; }
  body.has-toc .toc {
    position: fixed; top: 90px; left: max(20px, calc(50vw - 590px));
    width: 250px; max-height: calc(100vh - 130px); overflow-y: auto; margin: 0; text-align: left;
  }
}

@media (max-width: 800px) {
  div.toc {
    border: none;
    padding: 0;
    margin:0;
  }
}

/* --- node pages --------------------------------------------------------- */

.node-body .sec { margin: 0 0 30px; }
.node-body .sec h2 {
  font-family: var(--sans); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--dim); font-weight: 700;
  margin: 0 0 8px; padding: 0; border: 0;
}
.node-body .sec.opens { border-left: 3px solid #6b7280; padding-left: 16px; }
.node-body .sec.opens h2 { color: #c4b5a0; }
.node-body .sec.notes {
  border-left: 3px solid var(--blue); padding: 14px 18px;
  background: rgba(59, 130, 246, 0.06); border-radius: 0 10px 10px 0; margin-top: 38px;
}
.node-body .sec.notes h2 { color: var(--link); }
.node-body .sec.notes p { font-style: italic; color: #dce3ea; font-size: 17px; }

.lineage { margin: 46px 0 0; padding-top: 26px; border-top: 1px solid var(--line); }
.lineage-group { margin-bottom: 22px; }
.lineage-group h3 {
  font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--dim); font-weight: 700; margin: 0 0 10px;
}
.lineage ul { list-style: none; margin: 0; padding: 0; }
.lineage li { margin-bottom: 9px; font-size: 15.5px; }
.edge-label { color: var(--dim); font-size: 13.5px; font-style: italic; margin-left: 8px; }

/* --- download list (Athanasius page) ------------------------------------ */

.prose .downloads { list-style: none; margin: 26px 0; padding: 0; }
.prose .downloads li {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 13px;
  padding: 18px 20px; margin-bottom: 12px; font-family: var(--sans);
  font-size: 15px; line-height: 1.55; color: var(--ink-soft);
}
.prose .downloads li:hover { border-color: #3f434e; }
.prose .downloads a:first-child { font-size: 16.5px; font-weight: 600; }
.prose .downloads strong { display: block; margin-bottom: 4px; }

/* --- prose footer ------------------------------------------------------- */

.prose-foot {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 14.5px; color: var(--muted);
}
.next-up { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.next-up a {
  display: inline-block; padding: 10px 18px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg-raised);
  color: var(--ink); text-decoration: none; font-size: 14.5px; font-weight: 600;
}
.next-up a:hover { background: #23252c; border-color: #3a3d46; }

/* --- footer ------------------------------------------------------------- */

.site-foot {
  border-top: 1px solid var(--line-soft); background: var(--bg-sunken);
  padding: 40px 0 50px; margin-top: 20px;
}
.foot-nav { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 22px; }
.foot-nav a { font-size: 14px; color: var(--muted); text-decoration: none; }
.foot-nav a:hover { color: var(--ink); }
.foot-note { font-size: 14.5px; color: var(--muted); line-height: 1.6; margin: 0 0 16px; max-width: var(--measure); }
.foot-fine { font-size: 13px; color: #5f636d; margin: 0; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 36px; }
  .prose { font-size: 17.5px; }
  .prose-wrap { padding: 32px 20px 52px; }
  .hero-actions .btn { flex: 1 1 100%; text-align: center; }
}