:root {
  --esc-accent: #0ea5a4;
  --esc-ink: #1f2937;
  --esc-muted: #64748b;
  --esc-line: #e2e8f0;
  --esc-bg: #f8fafc;
  --esc-max: 1120px;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--esc-ink);
  background: #fff;
  line-height: 1.5;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--esc-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; font-weight: 650; }
h1 { font-size: 2rem; margin: 0 0 .6rem; }
h2 { font-size: 1.35rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.wrap { width: min(var(--esc-max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  border-bottom: 1px solid var(--esc-line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  min-height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--esc-ink); font-weight: 700; font-size: 1.15rem; text-decoration: none; }
.logo .mark { width: 22px; height: 22px; border-radius: 6px; background: var(--esc-accent); }
.search { display: flex; border: 1px solid var(--esc-line); border-radius: 999px; overflow: hidden; background: var(--esc-bg); }
.search input { border: 0; background: transparent; padding: 10px 16px; width: 100%; min-width: 180px; font: inherit; }
.search button { border: 0; background: var(--esc-accent); color: #fff; padding: 10px 18px; font: inherit; cursor: pointer; }
.nav ul { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.nav a { color: var(--esc-ink); font-weight: 550; }
.nav-toggle { display: none; }

.crumb { font-size: .9rem; color: var(--esc-muted); margin: 22px 0 10px; }
.crumb span { margin: 0 6px; color: #cbd5e1; }
.kicker { text-transform: uppercase; letter-spacing: .12em; color: var(--esc-accent); font-size: .78rem; font-weight: 700; }
.hero { background: linear-gradient(180deg, #f0fdfa 0%, #fff 100%); padding: 56px 0 36px; }
.lead { color: var(--esc-muted); max-width: 52ch; }
.hero-search { max-width: 560px; margin-top: 18px; }

.type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 16px 0 40px; }
.type-card { display: flex; flex-direction: column; gap: 6px; padding: 22px; border: 1px solid var(--esc-line); border-radius: 12px; color: inherit; }
.type-card:hover { border-color: var(--esc-accent); text-decoration: none; }
.type-card span { color: var(--esc-muted); font-size: .9rem; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 18px 0 40px; }
.card { border: 1px solid var(--esc-line); border-radius: 12px; overflow: hidden; background: #fff; }
.card a { color: inherit; text-decoration: none; display: block; }
.card .thumb { aspect-ratio: 4/5; background: var(--esc-bg); display: block; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.card h3 { font-size: 1rem; margin: 0; padding: 10px 12px 14px; }
.card .tag { display: inline-block; margin: 10px 12px 0; font-size: .75rem; color: var(--esc-accent); font-weight: 700; }

.meta-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip { background: #f0fdfa; color: #0f766e; border-radius: 999px; padding: 4px 10px; font-size: .82rem; }

/* Filtro por nivel en las páginas de categoría */
.nivel-filter { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 6px 0 20px; }
.nivel-label { font-size: .88rem; color: var(--esc-muted); font-weight: 600; }
.nivel-filter .chip { border: 1px solid transparent; }
.nivel-filter .chip:hover { text-decoration: none; border-color: var(--esc-accent); }
.nivel-filter .chip.is-active { background: var(--esc-accent); color: #fff; font-weight: 650; }
.ficha { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; margin-bottom: 48px; }
.preview { border: 1px solid var(--esc-line); border-radius: 12px; overflow: hidden; background: var(--esc-bg); }
.btn { display: inline-block; background: var(--esc-accent); color: #fff; padding: 12px 18px; border-radius: 10px; font-weight: 650; }
.btn:hover { text-decoration: none; filter: brightness(.95); }
.prose { color: #334155; }
.variants { padding-left: 18px; }

/* Post de ficha: intro + imagen + botón de descarga */
.ficha-post { max-width: 760px; margin: 0 auto 48px; }
.ficha-post p { line-height: 1.65; }
.escolares-ficha-img { margin: 28px 0; text-align: center; }
.escolares-ficha-img img { margin: 0 auto; border: 1px solid var(--esc-line); border-radius: 12px; box-shadow: 0 4px 18px rgba(15, 23, 42, .08); max-height: 720px; width: auto; }
.escolares-ficha-img figcaption { margin-top: 10px; font-size: .9rem; color: var(--esc-muted); }

/* Botón de descarga: cambiá colores acá o con el color de acento del Personalizador */
.escolares-descarga { text-align: center; margin: 30px 0 36px; padding: 26px 20px; background: var(--esc-bg); border: 1px dashed var(--esc-line); border-radius: 14px; }
.escolares-btn-pdf {
  display: inline-block;
  background: var(--esc-accent);     /* color de fondo del botón */
  color: #fff;                       /* color del texto */
  font-size: 1.15rem;
  font-weight: 700;
  padding: 16px 34px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(14, 165, 164, .35);
  transition: transform .12s ease, filter .12s ease;
}
.escolares-btn-pdf:hover { text-decoration: none; filter: brightness(.93); transform: translateY(-1px); }
.escolares-descarga-nota { margin: 12px 0 0; font-size: .88rem; color: var(--esc-muted); }

/* Párrafo de cierre después del botón de descarga */
.escolares-cierre { color: #334155; }

/* FAQs con toggle nativo (details/summary), sin JavaScript */
.escolares-faqs { margin-top: 36px; }
.escolares-faqs details {
  border: 1px solid var(--esc-line);
  border-radius: 10px;
  margin-bottom: 10px;
  background: #fff;
  overflow: hidden;
}
.escolares-faqs summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 44px 14px 16px;
  font-weight: 650;
  color: var(--esc-ink);
  position: relative;
}
.escolares-faqs summary::-webkit-details-marker { display: none; }
.escolares-faqs summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--esc-accent);
  transition: transform .15s ease;
}
.escolares-faqs details[open] summary::after { content: "–"; }
.escolares-faqs details[open] summary { border-bottom: 1px solid var(--esc-line); background: var(--esc-bg); }
.escolares-faqs .faq-a { padding: 4px 16px; color: #334155; }

.escolares-relacionados { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--esc-line); }
.escolares-relacionados ul { padding-left: 20px; }
.escolares-relacionados li { margin-bottom: 6px; }

.site-footer { background: #111827; color: #cbd5e1; padding: 48px 0 0; margin-top: 48px; }
.site-footer a { color: #e5e7eb; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; padding-bottom: 32px; }
.site-footer h2 { color: #fff; font-size: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.legal { border-top: 1px solid #1f2937; text-align: center; padding: 16px; font-size: .85rem; color: #94a3b8; }
.pager { margin: 20px 0 40px; }

@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .search { grid-column: 1 / -1; order: 3; }
  .nav-toggle { display: inline-block; border: 1px solid var(--esc-line); background: #fff; padding: 8px 12px; border-radius: 8px; }
  .nav { display: none; grid-column: 1 / -1; }
  .nav.is-open { display: block; padding-bottom: 12px; }
  .nav ul { flex-direction: column; gap: 10px; }
  .cards, .type-grid, .ficha, .footer-grid { grid-template-columns: 1fr; }
}