/* Presencia YO SOY Chiriquí — sistema visual
   Paleta violeta/crema, Fraunces (display) + Inter (UI). */

@font-face {
  font-family: "Fraunces";
  src: url("/fuentes/fraunces-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
  font-style: normal;
}
@font-face {
  font-family: "Inter";
  src: url("/fuentes/inter-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
  font-style: normal;
}

:root {
  --crema: #faf7f2;
  --crema-2: #f3ece2;
  --blanco: #fffdfa;
  --tinta: #241c2e;
  --tinta-suave: #6c6276;
  --violeta: #6b3fa0;
  --violeta-osc: #3a2258;
  --lavanda: #efe7f8;
  --borde: #e6dded;
  --dorado: #b08d3f;
  --radio: 16px;
  --radio-s: 10px;
  --sombra: 0 1px 2px rgba(36, 28, 46, .04), 0 12px 32px -18px rgba(58, 34, 88, .28);
  --sombra-alta: 0 2px 4px rgba(36, 28, 46, .05), 0 26px 60px -28px rgba(58, 34, 88, .38);
  --max: 1140px;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--crema);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--violeta); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--violeta-osc); }

.contenedor { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.angosto { max-width: 760px; }

/* ---------------------------- tipografía ---------------------------- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.14; letter-spacing: -.012em; margin: 0; color: var(--violeta-osc); }
h1 { font-size: clamp(2.35rem, 5.4vw, 4rem); line-height: 1.04; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.22rem; line-height: 1.3; }
p { margin: 0 0 1.05em; }
.lead { font-size: clamp(1.06rem, 1.55vw, 1.22rem); color: var(--tinta-suave); line-height: 1.65; }
.eyebrow {
  font-family: var(--sans); font-size: .72rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--violeta);
  margin: 0 0 14px;
}
.eyebrow::before { content: ""; display: inline-block; width: 26px; height: 1px; background: currentColor; vertical-align: middle; margin-right: 10px; opacity: .6; }
.serif-cursiva { font-family: var(--serif); font-style: italic; color: var(--violeta); }

/* ------------------------------ header ------------------------------ */
.sitio-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(250, 247, 242, .88);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--borde);
}
.header-in {
  display: flex; align-items: center; gap: 22px;
  height: 72px;
}
.marca { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--violeta-osc); flex: 0 0 auto; }
.marca .flama { width: 30px; height: 30px; }
.marca-txt { display: flex; flex-direction: column; line-height: 1.05; }
.marca-nombre { font-family: var(--serif); font-size: 1.06rem; font-weight: 600; letter-spacing: .01em; }
.marca-sub { font-size: .62rem; letter-spacing: .19em; text-transform: uppercase; color: var(--tinta-suave); }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  color: var(--tinta); text-decoration: none; font-size: .93rem; font-weight: 500;
  padding: 9px 13px; border-radius: 999px; transition: background .18s, color .18s;
}
.nav a:hover { background: var(--lavanda); color: var(--violeta-osc); }
.nav a[aria-current="page"] { color: var(--violeta-osc); background: var(--lavanda); font-weight: 600; }

.header-acciones { display: flex; align-items: center; gap: 10px; }
.btn-carrito {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  background: var(--violeta-osc); color: #fff; border: 0; cursor: pointer;
  font: inherit; font-size: .88rem; font-weight: 600;
  padding: 10px 16px; border-radius: 999px; transition: transform .15s, background .18s;
}
.btn-carrito:hover { background: var(--violeta); }
.btn-carrito:active { transform: scale(.97); }
.btn-carrito .cuenta {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 5px;
  border-radius: 999px; background: var(--crema); color: var(--violeta-osc); font-size: .74rem; font-weight: 700;
}
.menu-btn { display: none; background: transparent; border: 1px solid var(--borde); border-radius: 10px; padding: 9px 11px; cursor: pointer; }

/* ------------------------------- hero ------------------------------- */
.hero { padding: clamp(48px, 7vw, 92px) 0 clamp(40px, 6vw, 76px); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(32px, 5vw, 68px); align-items: center; }
.hero h1 { margin-bottom: 22px; }
.hero h1 em { font-style: italic; color: var(--violeta); }
.hero .lead { max-width: 34em; }
.hero-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-datos { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--borde); }
.hero-dato { display: flex; flex-direction: column; gap: 2px; }
.hero-dato span { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--tinta-suave); }
.hero-dato strong { font-family: var(--serif); font-size: 1.05rem; font-weight: 500; color: var(--violeta-osc); }

/* portadas apiladas del hero */
.hero-visual { position: relative; min-height: 380px; }
.hero-visual .lomo {
  position: absolute; border-radius: 12px; overflow: hidden; background: var(--blanco);
  border: 1px solid var(--borde); box-shadow: var(--sombra-alta);
}
.hero-visual .lomo img { width: 100%; height: 100%; object-fit: contain; background: var(--crema-2); }
.lomo-1 { width: 54%; aspect-ratio: 3/4; top: 6%; left: 4%; transform: rotate(-4deg); z-index: 2; }
.lomo-2 { width: 46%; aspect-ratio: 3/4; top: 0; right: 4%; transform: rotate(3.5deg); z-index: 1; }
.lomo-3 { width: 40%; aspect-ratio: 3/4; bottom: -4%; left: 26%; transform: rotate(-1deg); z-index: 3; }
.hero-visual::after {
  content: ""; position: absolute; inset: auto 0 -8% 0; height: 42%;
  background: radial-gradient(ellipse at 50% 100%, rgba(107, 63, 160, .14), transparent 70%);
  z-index: 0;
}

/* ------------------------------ botones ----------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font: inherit; font-size: .95rem; font-weight: 600; line-height: 1;
  padding: 14px 22px; border-radius: 999px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; transition: transform .15s, background .2s, box-shadow .2s, color .2s;
}
.btn-primario { background: var(--violeta-osc); color: #fff; box-shadow: var(--sombra); }
.btn-primario:hover { background: var(--violeta); color: #fff; transform: translateY(-1px); }
.btn-secundario { background: transparent; color: var(--violeta-osc); border-color: var(--borde); }
.btn-secundario:hover { background: var(--lavanda); border-color: var(--lavanda); color: var(--violeta-osc); }
.btn-chico { padding: 10px 16px; font-size: .87rem; }
.btn:active { transform: translateY(0) scale(.985); }
.btn[disabled] { opacity: .55; pointer-events: none; }

/* ----------------------------- secciones ---------------------------- */
.seccion { padding: clamp(56px, 8vw, 104px) 0; }
.seccion--lavanda { background: var(--lavanda); }
.seccion--blanca { background: var(--blanco); border-top: 1px solid var(--borde); border-bottom: 1px solid var(--borde); }
.seccion-head { max-width: 640px; margin-bottom: clamp(28px, 4vw, 46px); }
.seccion-head p { margin-top: 14px; }
.seccion-head--centrado { margin-left: auto; margin-right: auto; text-align: center; }

.pilares { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pilar { padding: 30px 26px; background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); }
.pilar .num { font-family: var(--serif); font-size: .95rem; color: var(--dorado); letter-spacing: .1em; margin-bottom: 14px; }
.pilar h3 { margin-bottom: 9px; }
.pilar p { margin: 0; font-size: .95rem; color: var(--tinta-suave); }

/* ------------------------------- libros ----------------------------- */
.libros-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px 22px; }
.libro {
  display: flex; flex-direction: column; background: transparent;
  text-decoration: none; color: inherit;
}
.libro .foto {
  position: relative; aspect-ratio: 3/4; border-radius: var(--radio-s); overflow: hidden;
  background: var(--crema-2); border: 1px solid var(--borde);
  display: grid; place-items: center; padding: 14px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.libro .foto img { width: 100%; height: 100%; object-fit: contain; }
.libro:hover .foto { transform: translateY(-4px); box-shadow: var(--sombra-alta); border-color: #d8c9ea; }
.libro .cat { font-size: .66rem; letter-spacing: .15em; text-transform: uppercase; color: var(--violeta); font-weight: 600; margin: 12px 0 5px; }
.libro h3 { font-size: 1.02rem; line-height: 1.28; margin: 0 0 4px; }
.libro .autor { font-size: .82rem; color: var(--tinta-suave); margin: 0 0 8px; }
.libro .fila { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 6px; }
.libro .precio { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; color: var(--violeta-osc); }
.btn-mini {
  background: var(--lavanda); color: var(--violeta-osc); border: 0; border-radius: 999px;
  font: inherit; font-size: .78rem; font-weight: 700; padding: 8px 14px; cursor: pointer;
  transition: background .18s, color .18s;
}
.btn-mini:hover { background: var(--violeta-osc); color: #fff; }

/* ------------------------------ filtros ----------------------------- */
.filtros { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 26px; }
.chip {
  font: inherit; font-size: .85rem; font-weight: 500; color: var(--tinta-suave);
  background: var(--blanco); border: 1px solid var(--borde); border-radius: 999px;
  padding: 8px 15px; cursor: pointer; text-decoration: none; transition: all .18s;
}
.chip:hover { border-color: var(--violeta); color: var(--violeta-osc); }
.chip[aria-current="true"], .chip.activo { background: var(--violeta-osc); border-color: var(--violeta-osc); color: #fff; }
.buscador { margin-left: auto; position: relative; }
.buscador input { width: 220px; padding: 9px 14px 9px 36px; border-radius: 999px; border: 1px solid var(--borde); background: var(--blanco); font: inherit; font-size: .88rem; }
.buscador svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); opacity: .45; }
.barra-resultados { display: flex; flex-wrap: wrap; gap: 14px; align-items: baseline; justify-content: space-between; margin-bottom: 22px; color: var(--tinta-suave); font-size: .88rem; }
.paginacion { display: flex; gap: 8px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }
.paginacion a, .paginacion span {
  min-width: 40px; text-align: center; padding: 9px 13px; border-radius: 10px;
  border: 1px solid var(--borde); text-decoration: none; color: var(--tinta); font-size: .9rem; background: var(--blanco);
}
.paginacion .activa { background: var(--violeta-osc); border-color: var(--violeta-osc); color: #fff; }

/* ---------------------------- ficha libro --------------------------- */
.ficha { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: clamp(30px, 5vw, 64px); align-items: start; }
.ficha-portada { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); padding: 26px; box-shadow: var(--sombra); }
.ficha-portada img { width: 100%; height: auto; object-fit: contain; }
.ficha-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.etiqueta { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--violeta); background: var(--lavanda); border-radius: 999px; padding: 6px 12px; }
.ficha h1 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); margin-bottom: 10px; }
.ficha .autor-linea { color: var(--tinta-suave); margin-bottom: 24px; font-size: 1rem; }
.ficha-precio { font-family: var(--serif); font-size: 2.1rem; font-weight: 600; color: var(--violeta-osc); margin: 0 0 6px; }
.ficha-desc { max-width: 40em; }
.ficha-compra { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--borde); }
.ficha-datos { margin-top: 26px; display: grid; gap: 10px; font-size: .9rem; color: var(--tinta-suave); }
.ficha-datos div { display: flex; gap: 10px; align-items: flex-start; }
.migaja { font-size: .82rem; color: var(--tinta-suave); margin-bottom: 22px; }
.migaja a { color: var(--tinta-suave); }

.cantidad { display: inline-flex; align-items: center; border: 1px solid var(--borde); border-radius: 999px; background: var(--blanco); overflow: hidden; }
.cantidad button { background: transparent; border: 0; font: inherit; font-size: 1.1rem; width: 40px; height: 42px; cursor: pointer; color: var(--violeta-osc); }
.cantidad input { width: 46px; text-align: center; border: 0; font: inherit; font-weight: 600; background: transparent; -moz-appearance: textfield; }
.cantidad input::-webkit-outer-spin-button, .cantidad input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ------------------------------ carrito ----------------------------- */
.drawer-fondo { position: fixed; inset: 0; background: rgba(36, 28, 46, .42); opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 60; }
.drawer-fondo.abierto { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(430px, 100vw); z-index: 61;
  background: var(--crema); border-left: 1px solid var(--borde);
  transform: translateX(102%); transition: transform .3s cubic-bezier(.32, .72, 0, 1);
  display: flex; flex-direction: column; box-shadow: -20px 0 60px -30px rgba(58, 34, 88, .5);
}
.drawer.abierto { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px; border-bottom: 1px solid var(--borde); }
.drawer-head h2 { font-size: 1.3rem; }
.cerrar { background: transparent; border: 1px solid var(--borde); border-radius: 50%; width: 36px; height: 36px; cursor: pointer; font-size: 1rem; color: var(--tinta); line-height: 1; }
.drawer-cuerpo { flex: 1; overflow-y: auto; padding: 8px 22px; }
.drawer-pie { border-top: 1px solid var(--borde); padding: 18px 22px 22px; background: var(--blanco); }
.linea-carrito { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--borde); }
.linea-carrito img { width: 56px; height: 74px; object-fit: contain; background: var(--crema-2); border-radius: 6px; border: 1px solid var(--borde); }
.linea-carrito .txt { flex: 1; min-width: 0; }
.linea-carrito .txt strong { display: block; font-family: var(--serif); font-size: .98rem; font-weight: 500; line-height: 1.25; color: var(--violeta-osc); }
.linea-carrito .txt small { color: var(--tinta-suave); font-size: .82rem; }
.quitar { background: transparent; border: 0; color: var(--tinta-suave); font-size: .78rem; cursor: pointer; text-decoration: underline; padding: 4px 0 0; font-family: inherit; }
.quitar:hover { color: #9b2c2c; }
.carrito-vacio { padding: 40px 0; text-align: center; color: var(--tinta-suave); font-size: .95rem; }
.total-linea { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.total-linea span { font-size: .88rem; color: var(--tinta-suave); }
.total-linea strong { font-family: var(--serif); font-size: 1.5rem; color: var(--violeta-osc); }
.drawer-pie form { display: grid; gap: 10px; }
.drawer-pie .btn { width: 100%; }
.aviso-mini { font-size: .78rem; color: var(--tinta-suave); text-align: center; margin: 0; }

/* ------------------------------ forms ------------------------------- */
.campo { margin-bottom: 14px; }
.campo label { display: block; font-size: .82rem; font-weight: 600; color: var(--violeta-osc); margin-bottom: 6px; }
input, textarea, select {
  width: 100%; border: 1px solid var(--borde); border-radius: var(--radio-s);
  padding: 12px 14px; font: inherit; font-size: .95rem; background: var(--blanco); color: var(--tinta);
  transition: border-color .18s, box-shadow .18s;
}
input:focus, textarea:focus, select:focus { outline: 0; border-color: var(--violeta); box-shadow: 0 0 0 3px rgba(107, 63, 160, .12); }
textarea { resize: vertical; min-height: 96px; }
.aviso-ok { background: #eaf7ef; border: 1px solid #b8e2c8; color: #1d6b3f; border-radius: var(--radio-s); padding: 13px 16px; font-size: .92rem; margin: 0; }
.aviso-error { background: #fdeeee; border: 1px solid #f0bcbc; color: #8f2b2b; border-radius: var(--radio-s); padding: 13px 16px; font-size: .92rem; margin: 0; }

/* ------------------------------ reunion ----------------------------- */
.reunion-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.tarjeta { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); padding: clamp(24px, 3vw, 34px); box-shadow: var(--sombra); }
.tarjeta h3 { margin-bottom: 8px; }
.dato-fila { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--borde); }
.dato-fila:last-child { border-bottom: 0; padding-bottom: 0; }
.dato-fila .ico { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; background: var(--lavanda); display: grid; place-items: center; color: var(--violeta-osc); font-size: .95rem; }
.dato-fila .txt strong { display: block; font-family: var(--serif); font-weight: 500; font-size: 1.02rem; color: var(--violeta-osc); }
.dato-fila .txt span { font-size: .88rem; color: var(--tinta-suave); }

/* -------------------------------- faq ------------------------------- */
.faq { border-top: 1px solid var(--borde); }
.faq details { border-bottom: 1px solid var(--borde); padding: 20px 0; }
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 1.1rem; color: var(--violeta-osc); list-style: none; display: flex; justify-content: space-between; gap: 18px; align-items: baseline; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--sans); font-size: 1.2rem; color: var(--violeta); transition: transform .2s; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 12px 0 0; color: var(--tinta-suave); font-size: .96rem; max-width: 62ch; }

/* ------------------------------ bloque CTA -------------------------- */
.cta { background: linear-gradient(150deg, var(--violeta-osc), #5a3488 62%, var(--violeta)); color: #fff; border-radius: 24px; padding: clamp(34px, 5vw, 58px); display: grid; grid-template-columns: 1.3fr .7fr; gap: 30px; align-items: center; }
.cta h2 { color: #fff; }
.cta p { color: rgba(255, 255, 255, .82); margin: 12px 0 0; max-width: 44ch; }
.cta .acciones { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 12px; }
.cta .btn-primario { background: #fff; color: var(--violeta-osc); }
.cta .btn-primario:hover { background: var(--crema); color: var(--violeta-osc); }
.cta .btn-secundario { border-color: rgba(255, 255, 255, .4); color: #fff; }
.cta .btn-secundario:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .6); }

/* ------------------------------- footer ----------------------------- */
.sitio-footer { background: var(--tinta); color: rgba(255, 255, 255, .68); padding: 62px 0 30px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 36px; }
.sitio-footer .marca-nombre { color: #fff; }
.sitio-footer .marca-sub { color: rgba(255, 255, 255, .5); }
.footer-txt { font-size: .9rem; line-height: 1.7; max-width: 34ch; margin-top: 16px; }
.footer-h { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .45); margin-bottom: 14px; }
.footer-lista { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; font-size: .9rem; }
.footer-lista a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.footer-lista a:hover { color: #fff; text-decoration: underline; }
.footer-base { border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 46px; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; font-size: .82rem; }
.footer-base .rs { display: inline-flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, .8); text-decoration: none; }
.footer-base .rs img { border-radius: 6px; }

/* ------------------------------- varios ----------------------------- */
.saltar { position: absolute; left: -9999px; }
.saltar:focus { left: 12px; top: 12px; z-index: 99; background: #fff; padding: 10px 16px; border-radius: 8px; }
.no-js .solo-js { display: none; }
.vacio { color: var(--tinta-suave); padding: 40px 0; }

/* ----------------------------- responsive --------------------------- */
@media (max-width: 980px) {
  .libros-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-grid, .ficha, .reunion-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 320px; order: -1; }
  .pilares { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; }
  .cta .acciones { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; background: var(--crema);
    flex-direction: column; align-items: stretch; padding: 14px 20px 22px; gap: 2px;
    border-bottom: 1px solid var(--borde); transform: translateY(-130%); transition: transform .25s;
    z-index: 39;
  }
  .nav.abierto { transform: translateY(0); }
  .nav a { padding: 13px 12px; border-radius: 10px; font-size: 1rem; }
  .menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .libros-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 14px; }
  .hero-datos { gap: 18px; }
  .buscador { margin-left: 0; width: 100%; }
  .buscador input { width: 100%; }
  .filtros { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .filtros::-webkit-scrollbar { display: none; }
  .chip { white-space: nowrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .drawer { width: 100vw; }
  .ficha-portada { max-width: 300px; margin: 0 auto; }
}
@media (max-width: 380px) {
  .libros-grid { grid-template-columns: 1fr; }
}

/* ---------------------------- biblioteca ------------------------------- */
.aviso-biblio {
  margin-top: 18px; padding: 14px 18px; border-left: 3px solid var(--dorado);
  background: var(--blanco); border-radius: 0 var(--radio-s) var(--radio-s) 0;
  color: var(--tinta-suave); font-size: .92rem; max-width: 70ch;
}
.temas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tema {
  display: flex; flex-direction: column; gap: 8px; padding: 22px 22px 18px;
  background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio);
  color: inherit; text-decoration: none; transition: .18s ease;
}
.tema:hover { transform: translateY(-2px); border-color: #d6c7e4; box-shadow: var(--sombra); color: inherit; }
.tema-cat { font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--violeta); font-weight: 700; }
.tema h3 { font-family: var(--serif); font-size: 1.16rem; line-height: 1.3; margin: 0; font-weight: 600; }
.tema p { margin: 0; font-size: .9rem; color: var(--tinta-suave); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tema-mas { margin-top: auto; padding-top: 10px; font-size: .78rem; color: var(--tinta-suave); }

.migas { display: flex; flex-wrap: wrap; gap: 7px; font-size: .82rem; color: var(--tinta-suave); align-items: center; }
.migas a { color: var(--tinta-suave); text-decoration: none; }
.migas a:hover { color: var(--violeta); text-decoration: underline; }
.titulo-tema { font-family: var(--serif); font-size: clamp(1.85rem, 4vw, 2.9rem); line-height: 1.1; margin: 8px 0 0; letter-spacing: -.01em; }
.meta-tema { margin: 12px 0 0; font-size: .86rem; color: var(--tinta-suave); }

.tema-layout { display: grid; grid-template-columns: minmax(0, 1fr) 292px; gap: 54px; align-items: start; }
.tema-texto { font-size: 1.04rem; line-height: 1.82; color: #2f2739; min-width: 0; }
.tema-texto p { margin: 0 0 1.15em; }
.tema-texto h2, .tema-texto h3, .tema-texto h4 { font-family: var(--serif); line-height: 1.25; margin: 1.9em 0 .6em; color: var(--tinta); }
.tema-texto h2 { font-size: 1.5rem; }
.tema-texto h3 { font-size: 1.24rem; }
.tema-texto h4 { font-size: 1.08rem; }
.tema-texto ul, .tema-texto ol { padding-left: 1.3em; margin: 0 0 1.15em; }
.tema-texto li { margin-bottom: .4em; }
.tema-texto img { max-width: 100%; height: auto; border-radius: var(--radio-s); margin: 1em auto; box-shadow: var(--sombra); }
.tema-texto blockquote {
  margin: 1.5em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--lavanda);
  color: var(--tinta-suave); font-style: italic;
}
.tema-texto strong { color: var(--tinta); }
.tema-texto a { text-underline-offset: 2px; }
.tema-texto hr { border: 0; border-top: 1px solid var(--borde); margin: 2em 0; }

.tema-lado { position: sticky; top: 92px; display: grid; gap: 16px; }
.tarjeta-lado { background: var(--blanco); border: 1px solid var(--borde); border-radius: var(--radio); padding: 20px; }
.tarjeta-lado h2 { font-family: var(--serif); font-size: 1.02rem; margin: 0 0 8px; }
.tarjeta-lado p { margin: 0; font-size: .88rem; color: var(--tinta-suave); line-height: 1.6; }
.lista-lado { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; font-size: .88rem; }
.lista-lado a { color: var(--tinta); text-decoration: none; }
.lista-lado a:hover { color: var(--violeta); text-decoration: underline; }

.tema-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; border-top: 1px solid var(--borde); padding-top: 26px; }
.tema-nav a { display: block; text-decoration: none; padding: 14px 16px; border: 1px solid var(--borde); border-radius: var(--radio-s); background: var(--blanco); }
.tema-nav a:hover { border-color: #d6c7e4; }
.tema-nav span { display: block; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-suave); margin-bottom: 4px; }
.tema-nav strong { font-family: var(--serif); font-weight: 600; font-size: .98rem; color: var(--tinta); line-height: 1.3; }
.tema-nav .siguiente { text-align: right; }

.fuente-tema { margin: 34px 0 0; font-size: .82rem; color: var(--tinta-suave); line-height: 1.6; }

@media (max-width: 900px) {
  .temas-grid { grid-template-columns: repeat(2, 1fr); }
  .tema-layout { grid-template-columns: 1fr; gap: 34px; }
  .tema-lado { position: static; }
}
@media (max-width: 620px) {
  .temas-grid { grid-template-columns: 1fr; }
  .tema-nav { grid-template-columns: 1fr; }
  .tema-nav .siguiente { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* índice completo de la biblioteca */
.indice-barra { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; margin: 4px 0 16px; }
.indice-barra .buscador { flex: 1 1 320px; max-width: 620px; }
.indice-cuenta { color: var(--tinta-suave); font-size: .9rem; margin: 0; }
.indice-az { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.indice-az .chip b { font-weight: 600; opacity: .65; margin-left: 2px; }
.indice-grupo { margin-bottom: 30px; scroll-margin-top: 90px; }
.indice-grupo h2 {
  font-family: var(--serif); font-size: 1.28rem; color: var(--violeta-osc);
  margin: 0 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--linea);
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.indice-grupo h2 span { font-family: var(--sans); font-size: .78rem; font-weight: 500; color: var(--tinta-suave); text-transform: uppercase; letter-spacing: .06em; }
.indice-lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px 26px; }
.indice-lista li { display: flex; align-items: baseline; gap: 10px; padding: 7px 0; border-bottom: 1px dotted var(--linea); }
.indice-lista li[hidden] { display: none; }
.indice-lista a { color: var(--tinta); text-decoration: none; flex: 1; line-height: 1.35; }
.indice-lista a:hover { color: var(--violeta-osc); text-decoration: underline; text-underline-offset: 3px; }
.indice-pal, .indice-cat { color: var(--tinta-suave); font-size: .74rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.indice-cat { max-width: 40%; overflow: hidden; text-overflow: ellipsis; }
.indice-vacio { margin-top: 8px; }
.enlace-boton { background: none; border: 0; padding: 0; color: var(--violeta-osc); font: inherit; text-decoration: underline; cursor: pointer; }
@media (max-width: 760px) {
  .indice-lista { grid-template-columns: 1fr; }
  .indice-az { max-height: 150px; overflow-y: auto; }
  .indice-grupo h2 { font-size: 1.15rem; }
}