/* AllImprov — site stylesheet
   No external requests: system font stack only, for Core Web Vitals.
   Every page inherits this; page-specific rules do not belong here. */

:root {
  --paper:      #faf7f2;
  --paper-2:    #f2ece2;
  --ink:        #17140f;
  --ink-2:      #4a423a;
  --ink-3:      #7a6f63;
  --rule:       #e2d9cb;
  --accent:     #b8431f;
  --accent-2:   #8f3416;
  --accent-bg:  #fdf0e9;
  --focus:      #1d4ed8;

  --serif: ui-serif, Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --measure: 34rem;
  --wide: 72rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:     #16130f;
    --paper-2:   #1f1b16;
    --ink:       #f2ece3;
    --ink-2:     #c3b8a9;
    --ink-3:     #948877;
    --rule:      #332c24;
    --accent:    #e8825c;
    --accent-2:  #f0a184;
    --accent-bg: #26190f;
    --focus:     #93b4ff;
  }
}

*, *::before, *::after { 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(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 0.98rem + 0.35vw, 1.1875rem);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(100% - 2.5rem, var(--wide)); margin-inline: auto; }
.measure   { width: min(100% - 2.5rem, var(--measure)); margin-inline: auto; }

a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 0.06em; }
a:hover { color: var(--accent-2); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 2px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; z-index: 100; font-family: var(--sans);
}
.skip-link:focus { left: 0; }

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

.site-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.nav {
  display: flex; align-items: center; gap: 1.75rem;
  padding: 1.15rem 0; font-family: var(--sans); flex-wrap: wrap;
}
.brand {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 700;
  letter-spacing: -0.015em; color: var(--ink); text-decoration: none; margin-right: auto;
}
.brand .amp { color: var(--accent); }
.nav a:not(.brand) {
  font-size: 0.925rem; color: var(--ink-2); text-decoration: none;
  letter-spacing: 0.01em;
}
.nav a:not(.brand):hover { color: var(--accent); }
.nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }

/* ---------- breadcrumb ---------- */

.crumb {
  font-family: var(--sans); font-size: 0.8125rem; color: var(--ink-3);
  padding: 1.25rem 0 0;
}
.crumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0; padding: 0; }
.crumb li + li::before { content: "/"; margin-right: 0.45rem; color: var(--rule); }
.crumb a { color: var(--ink-3); text-decoration: none; }
.crumb a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- article ---------- */

.article { padding: 2rem 0 4.5rem; }
.article header { margin-bottom: 2.5rem; }

.eyebrow {
  font-family: var(--sans); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.11em; text-transform: uppercase; color: var(--accent);
  margin: 0 0 0.9rem;
}

h1 {
  font-size: clamp(2rem, 1.5rem + 2.2vw, 3.1rem);
  line-height: 1.08; letter-spacing: -0.022em; font-weight: 700;
  margin: 0 0 0.75rem; text-wrap: balance;
}
h2 {
  font-size: clamp(1.4rem, 1.2rem + 0.9vw, 1.85rem);
  line-height: 1.2; letter-spacing: -0.014em; font-weight: 700;
  margin: 3rem 0 0.85rem; text-wrap: balance;
}
h3 {
  font-size: 1.175rem; line-height: 1.3; font-weight: 700;
  margin: 2.1rem 0 0.6rem;
}

.standfirst {
  font-size: 1.2em; line-height: 1.55; color: var(--ink-2);
  margin: 0 0 1.5rem; text-wrap: pretty;
}

p, ul, ol { margin: 0 0 1.15rem; }
li { margin-bottom: 0.4rem; }
ul, ol { padding-left: 1.35rem; }

blockquote {
  margin: 2rem 0; padding: 0.2rem 0 0.2rem 1.4rem;
  border-left: 3px solid var(--accent);
  font-style: italic; color: var(--ink-2);
}
blockquote cite {
  display: block; margin-top: 0.7rem; font-style: normal;
  font-family: var(--sans); font-size: 0.85rem; color: var(--ink-3);
}

hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }

.dialogue {
  font-family: var(--mono); font-size: 0.9rem; line-height: 1.75;
  background: var(--paper-2); border: 1px solid var(--rule); border-radius: 6px;
  padding: 1.1rem 1.25rem; margin: 1.75rem 0; overflow-x: auto;
}
.dialogue b { font-weight: 700; color: var(--accent); font-style: normal; }

.callout {
  background: var(--accent-bg); border: 1px solid var(--rule);
  border-radius: 6px; padding: 1.2rem 1.35rem; margin: 2rem 0;
}
.callout > :last-child { margin-bottom: 0; }
.callout strong { font-family: var(--sans); font-size: 0.95em; }

/* ---------- cards / curriculum ---------- */

.grid {
  display: grid; gap: 1.5rem; padding: 0; list-style: none;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.card {
  border: 1px solid var(--rule); border-radius: 8px; padding: 1.4rem 1.5rem;
  background: var(--paper); margin: 0;
}
.card h3 { margin: 0 0 0.45rem; font-size: 1.1rem; }
.card h3 a { text-decoration: none; color: var(--ink); }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0; font-size: 0.95rem; color: var(--ink-2); line-height: 1.55; }
.card .num {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--ink-3); text-transform: uppercase; display: block; margin-bottom: 0.55rem;
}

/* ---------- next/prev ---------- */

.pager {
  display: flex; gap: 1rem; flex-wrap: wrap; justify-content: space-between;
  border-top: 1px solid var(--rule); margin-top: 3.5rem; padding-top: 1.5rem;
  font-family: var(--sans); font-size: 0.9rem;
}
.pager span { display: block; color: var(--ink-3); font-size: 0.78rem; margin-bottom: 0.15rem; }
.pager a { text-decoration: none; font-weight: 600; }
.pager a:hover { text-decoration: underline; }

/* ---------- hero (home) ---------- */

.hero { padding: 4.5rem 0 3.5rem; border-bottom: 1px solid var(--rule); }
.hero h1 { max-width: 18ch; }
.hero .standfirst { max-width: 46ch; }

.btn {
  display: inline-block; font-family: var(--sans); font-size: 0.95rem; font-weight: 600;
  background: var(--accent); color: #fff; text-decoration: none;
  padding: 0.75rem 1.4rem; border-radius: 6px; margin-top: 0.6rem;
}
.btn:hover { background: var(--accent-2); color: #fff; }
.btn.ghost {
  background: transparent; color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--rule); margin-left: 0.5rem;
}
.btn.ghost:hover { background: var(--accent-bg); color: var(--accent-2); }

.section { padding: 3.5rem 0; }
.section > h2:first-child { margin-top: 0; }

/* ---------- glossary / reference lists ---------- */

.glossary { margin: 0 0 2.5rem; }
.glossary dt {
  font-weight: 700; margin: 1.6rem 0 0.3rem; scroll-margin-top: 1.5rem;
}
.glossary dt:first-child { margin-top: 0; }
.glossary dd {
  margin: 0; color: var(--ink-2); font-size: 0.97em; line-height: 1.6;
}
.alphabet {
  font-family: var(--sans); font-size: 0.85rem; display: flex; flex-wrap: wrap;
  gap: 0.55rem; margin: 0 0 2.5rem; padding: 1rem 0; border-block: 1px solid var(--rule);
}
.alphabet a { text-decoration: none; font-weight: 600; }
.letter {
  font-family: var(--sans); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em;
  color: var(--ink-3); text-transform: uppercase; margin: 2.75rem 0 0.5rem;
  padding-bottom: 0.35rem; border-bottom: 1px solid var(--rule); scroll-margin-top: 1rem;
}

.entry {
  border-top: 1px solid var(--rule); padding: 1.75rem 0 0.25rem; margin: 0;
}
.entry h3 { margin: 0 0 0.15rem; font-size: 1.15rem; }
.entry .meta {
  font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.7rem;
}
.entry p { margin: 0 0 0.8rem; }
.entry .teaches {
  font-size: 0.95em; color: var(--ink-2);
  border-left: 3px solid var(--rule); padding-left: 0.9rem; margin-bottom: 0;
}

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

.site-footer {
  border-top: 1px solid var(--rule); background: var(--paper-2);
  padding: 3rem 0 3.5rem; font-family: var(--sans); font-size: 0.9rem;
  color: var(--ink-2); margin-top: 2rem;
}
.site-footer h2 { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.8rem; font-weight: 600; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }
.footer-cols { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); }
.colophon { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
  font-size: 0.82rem; color: var(--ink-3); }
.colophon p { margin: 0 0 0.4rem; }