/* Crown & Calling — shared tokens, nav, footer (used by sub-pages) */
:root {
  --paper: #F1ECE0;
  --paper-2: #E7E1D2;
  --ink: #0E0E0C;
  --ink-2: #2A2925;
  --muted: #6E685D;
  --rule: rgba(14,14,12,0.18);
  --accent: #8C2A1F;
  --on-accent: #F1ECE0;

  --pad-x: clamp(20px, 4vw, 72px);
  --pad-y: clamp(48px, 7vw, 120px);

  --display: "Baskerville", "Libre Baskerville", "Baskerville Old Face", Georgia, serif;
  --serif: "Baskerville", "Libre Baskerville", "Baskerville Old Face", Georgia, serif;
  --sans: "Baskerville", "Libre Baskerville", "Baskerville Old Face", Georgia, serif;
}

[data-scheme="ink"] {
  --paper: #0E0E0C;
  --paper-2: #1A1916;
  --ink: #F1ECE0;
  --ink-2: #D8D2C2;
  --muted: #8A857A;
  --rule: rgba(241,236,224,0.18);
  --on-accent: #F1ECE0;
}

[data-density="compact"] {
  --pad-y: clamp(32px, 5vw, 80px);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--on-accent); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

.wrap { padding-left: var(--pad-x); padding-right: var(--pad-x); }
.section { padding-top: var(--pad-y); padding-bottom: var(--pad-y); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--pad-x);
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, padding .2s ease;
}
.nav[data-scrolled="true"] { border-bottom-color: var(--rule); padding-top: 12px; padding-bottom: 12px; }

.mark { display: inline-flex; align-items: center; gap: 12px; }
.mark .sigil { display: inline-block; line-height: 0; }
.mark .sigil img { width: 100%; height: auto; display: block; }
[data-scheme="ink"] .mark .sigil img { filter: invert(1); }

.nav-links {
  display: flex; gap: 32px; align-items: center;
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.24em;
  text-transform: uppercase; font-weight: 700;
}
.nav-links a { position: relative; padding: 6px 0; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--ink);
  transition: right .25s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { right: 0; }
.nav-links a[aria-current="page"] { color: var(--ink); }

@media (max-width: 720px) { .nav-links { display: none; } }

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.24em;
  text-transform: uppercase; font-weight: 700;
  transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  border: 1.5px solid var(--ink);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--on-accent); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px); }

/* ---------- Section heads ---------- */
.sec-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 36px;
}
.sec-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(40px, 5.5vw, 80px);
  letter-spacing: -0.025em;
  line-height: 0.96;
  font-weight: 400;
}
.sec-head h2 em {
  font-style: italic; font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--muted);
  font-size: 0.6em;
}
.sec-head .sec-num {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  align-self: start;
  padding-top: 12px;
}

/* ---------- Footer ---------- */
.foot {
  border-top: 1px solid var(--rule);
  padding: 28px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted); font-weight: 700;
}
.foot em { font-style: italic; font-weight: 400; letter-spacing: 0; text-transform: none; font-size: 14px; color: var(--ink-2); }
.foot .links { display: flex; gap: 20px; }
.foot .links a:hover { color: var(--ink); }

/* ---------- Page header (used by sub-pages) ---------- */
.page-head {
  padding-top: clamp(48px, 7vw, 120px);
  padding-bottom: clamp(36px, 5vw, 80px);
}
.eyebrow {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.36em;
  text-transform: uppercase; color: var(--muted); font-weight: 700;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 36px;
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: var(--ink);
}
.page-title {
  font-family: var(--display);
  font-size: clamp(56px, 9vw, 156px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
  font-weight: 400;
}
.page-title em {
  font-style: italic; font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--accent);
}
.page-strap {
  margin-top: 28px;
  max-width: 52ch;
  font-family: var(--serif);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.55;
  color: var(--ink-2);
  font-style: italic;
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.24em;
  text-transform: uppercase; font-weight: 700;
  color: var(--muted);
  padding: 6px 0;
  margin-bottom: 28px;
  transition: color .15s ease;
}
.back-link:hover { color: var(--ink); }
.back-link .arrow { font-family: var(--serif); font-style: italic; }

/* ---------- Nav end (links + toggle wrapper) ---------- */
.nav-end {
  display: flex; align-items: center; gap: 20px;
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--ink);
  transition: border-color .15s ease;
}
.theme-toggle:hover { border-color: var(--ink); }
.theme-toggle svg { display: block; }
/* Light mode: show moon (hint: click to go dark) */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
/* Dark mode: show sun (hint: click to go light) */
[data-scheme="ink"] .theme-toggle .icon-sun  { display: block; }
[data-scheme="ink"] .theme-toggle .icon-moon { display: none; }

/* Tooltip */
.theme-toggle[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  white-space: nowrap;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--paper);
  background: var(--ink);
  padding: 5px 9px;
  border-radius: 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.theme-toggle[data-tooltip]:hover::after { opacity: 1; }

/* ---------- Smooth theme transitions (enabled after first paint) ---------- */
html.theme-ready body,
html.theme-ready .nav,
html.theme-ready .foot,
html.theme-ready .theme-toggle {
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}