:root {
  --bg: #f7f6f3;
  --panel: #ffffff;
  --ink: #1d1d1f;
  --muted: #6b6b72;
  --line: #e3e1db;
  --accent: #1f5f8b;
  --accent-soft: #eaf1f6;
  /* colores por institución — atenuados, tono editorial/institucional */
  --unesco: #2b6298;
  --oecd: #2f7d6b;
  --world-bank: #9a6526;
  --brookings: #98403c;
  --stanford: #7a3060;
  --ucl: #4a4f8c;
  --harvard: #8f3a40;
  --cdt: #4f6f64;
  --hrw: #a8542e;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --measure: 68ch;
  font-size: 17px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
code { background: #efeee9; padding: 1px 5px; border-radius: 4px; font-size: .85em; }

/* header / footer */
header.site {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem 1rem;
  padding: .9rem 1.4rem; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10;
}
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; color: var(--ink); display: flex; flex-direction: column; line-height: 1.15; }
.brand span { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-weight: 400; font-size: .72rem; color: var(--muted); letter-spacing: 0; }
header.site nav { display: flex; gap: .3rem; }
header.site nav a {
  padding: .35rem .7rem; border-radius: 7px; color: var(--ink); font-size: .92rem;
}
header.site nav a:hover { background: var(--accent-soft); text-decoration: none; }
header.site nav a.on { background: var(--accent); color: #fff; }

main { max-width: 940px; margin: 0 auto; padding: 1.6rem 1.4rem 4rem; }
footer.site {
  max-width: 940px; margin: 0 auto; padding: 1.4rem; border-top: 1px solid var(--line);
  font-size: .82rem; color: var(--muted);
}
footer.site strong { color: var(--ink); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); }
h1 { font-size: 2.15rem; line-height: 1.1; margin: .2rem 0 .6rem; letter-spacing: -0.015em; }
h2 { font-size: 1.4rem; margin: 2rem 0 .55rem; letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; margin: 0 0 .3rem; }
.section-intro { color: var(--muted); margin-top: 0; max-width: var(--measure); }
/* medida de lectura: la prosa no excede ~68ch; las grillas y tablas, sí */
.concept-detail .own p, .source-detail > p, .about p, main > section > p { max-width: var(--measure); }

/* hero */
.hero { padding: 1.2rem 0 .4rem; border-bottom: 1px solid var(--line); margin-bottom: 1.4rem; }
.hero h1 { font-size: 2.1rem; max-width: 22ch; }
.hero p { font-size: 1.05rem; max-width: 65ch; }
.counts { font-size: .95rem; color: var(--muted); }

/* chips */
.chip, .chips a, .entry-concepts a {
  display: inline-block; background: var(--accent-soft); color: var(--accent);
  padding: .15rem .55rem; border-radius: 999px; font-size: .8rem; margin: .15rem .12rem 0 0;
}
.chip:hover { text-decoration: none; background: #dceaf3; }
.chip.src { background: #efece6; color: var(--ink); }
.entry-concepts, .chips, .who { margin-top: .4rem; }
.qlist { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: .5rem; }
.qlist li a {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: 9px; padding: .6rem .8rem; color: var(--ink);
}
.qlist li a:hover { border-color: var(--accent); text-decoration: none; }

/* listados de fuentes */
.lens-block { margin-bottom: 1.8rem; }
.source-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.2rem 1.3rem; margin-bottom: .9rem;
  box-shadow: 0 1px 2px rgba(20,32,54,.04), 0 6px 20px rgba(20,32,54,.05);
}
.source-card:hover { border-color: #d4d1c9; }
.source-card .meta, .source-detail .meta { color: var(--muted); font-size: .85rem; }
.tags { margin: .4rem 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.tag { font-size: .74rem; padding: .12rem .5rem; border-radius: 6px; background: #efece6; color: var(--ink); }
.tag.ev { color: #fff; }
.tag.ev-normativo { background: var(--unesco); }
.tag.ev-evidencia-empirica { background: var(--oecd); }
.tag.ev-revision { background: var(--accent); }
.tag.ev-opinion-experta { background: var(--world-bank); }
.tag.ev-marco-conceptual { background: var(--ucl); }
.tag.ocr { background: #eef1f4; color: #5a6470; }

/* ficha de fuente / concepto */
.crumbs { font-size: .82rem; color: var(--muted); margin-bottom: .4rem; }
.lens-tag { display: inline-block; font-size: .76rem; color: #fff; padding: .15rem .55rem; border-radius: 6px; background: var(--muted); margin-bottom: .4rem; }
.lens-tag.lens-unesco { background: var(--unesco); }
.lens-tag.lens-oecd { background: var(--oecd); }
.lens-tag.lens-world-bank { background: var(--world-bank); }
.lens-tag.lens-brookings { background: var(--brookings); }
.lens-tag.lens-stanford { background: var(--stanford); }
.lens-tag.lens-ucl { background: var(--ucl); }
.lens-tag.lens-harvard { background: var(--harvard); }
.lens-tag.lens-cdt { background: var(--cdt); }
.lens-tag.lens-hrw { background: var(--hrw); }
.ideas { padding-left: 1.2rem; }
.ideas li { margin-bottom: .25rem; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: .5rem .9rem; border-radius: 8px; margin-top: .6rem; }
.btn:hover { text-decoration: none; background: #184b6e; }
.ext { margin-top: 1.2rem; }

/* entradas (afirmación anclada) */
.entry {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.5rem 1.7rem; margin: 1.1rem 0; max-width: 780px;
  box-shadow: 0 1px 2px rgba(20,32,54,.04), 0 6px 20px rgba(20,32,54,.05);
}
.ltag {
  display: inline-block; font-size: .68rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--muted); margin-bottom: .3rem;
}
/* la cita verbatim es el activo principal: presencia editorial */
.entry .says { margin: 0; padding: .1rem 0 .1rem 1.1rem; border-left: 3px solid var(--accent); }
.entry .says p { margin: .15rem 0 .6rem; font-size: 1.2rem; line-height: 1.5; color: var(--ink); }
.entry .says footer { font-size: .84rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; padding-top: .2rem; border-top: 1px solid var(--line); margin-top: .2rem; }
.src-link { font-weight: 600; color: var(--accent); }
.loc { font-variant-numeric: tabular-nums; }
.layer { margin-top: .85rem; padding: .6rem .85rem; border-radius: 8px; }
.layer p { margin: .1rem 0; font-size: .95rem; max-width: var(--measure); }
.layer.interp { background: #f3f1ec; }
.layer.impl { background: #eef4ef; }
.layer.q { background: var(--accent-soft); }

/* badges de verificación */
.badge { font-size: .7rem; padding: .08rem .45rem; border-radius: 999px; }
.badge.ok { background: #e2f0e6; color: #1c6b38; }
.badge.warn { background: #fbedd6; color: #8a5300; }
.badge.bad { background: #f6dede; color: #97231f; }

/* conceptos */
.concept-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .7rem; }
.concept-card {
  display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: .8rem .9rem; color: var(--ink); position: relative;
}
.concept-card:hover { border-color: var(--accent); text-decoration: none; }
.concept-card p { font-size: .85rem; color: var(--muted); margin: .2rem 0 1.2rem; }
.concept-card .count { position: absolute; bottom: .6rem; left: .9rem; font-size: .72rem; color: var(--accent); }
.concept-detail .own .def { font-size: 1.12rem; }
.concept-detail .evidence { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }

/* narrativa integradora (lectura que cruza fuentes) */
.narrative {
  margin-top: 2rem; padding: 1.5rem 1.7rem; max-width: 820px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  border-left: 3px solid var(--accent);
  box-shadow: 0 1px 2px rgba(20,32,54,.04), 0 6px 20px rgba(20,32,54,.05);
}
.narrative-title { margin: .2rem 0 1rem; font-size: 1.3rem; line-height: 1.3; }
.narrative > p { max-width: var(--measure); line-height: 1.65; margin: .9rem 0; }
.narrative .nq { font-style: italic; color: var(--ink); quotes: "“" "”"; }
.narrative .nq::before { content: open-quote; }
.narrative .nq::after { content: close-quote; }
.narrative .ncite { font-size: .82rem; color: var(--accent); font-variant-numeric: tabular-nums; white-space: nowrap; }
.narrative-note { font-size: .82rem; margin-top: 1.1rem; padding-top: .7rem; border-top: 1px solid var(--line); }
.src-group { margin: 1rem 0; }
.src-group > h3 { border-bottom: 1px solid var(--line); padding-bottom: .25rem; }

.empty { padding: .8rem; background: var(--panel); border: 1px dashed var(--line); border-radius: 8px; }

/* búsqueda */
#q {
  width: 100%; padding: .7rem .9rem; font-size: 1.05rem; border: 1px solid var(--line);
  border-radius: 10px; background: var(--panel);
}
.results { margin-top: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.result {
  background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: .65rem .85rem;
}
.result .rtype { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.result h3 { margin: .1rem 0; font-size: 1rem; }
.result .snippet { font-size: .86rem; color: var(--muted); }
.result mark { background: #fdeaa8; }

@media (max-width: 560px) {
  :root { font-size: 16px; }
  header.site { flex-direction: column; align-items: flex-start; }
}