/* ═══════════════════════════════════════════════════════════════
   CLASICALIA — imprenta fina. Papel marfil, tinta cálida, oro viejo.
   Pensado para leer los clásicos online como un libro de verdad.
   ═══════════════════════════════════════════════════════════════ */

:root {
    --papel: #f7f5f0;          /* off-white cálido muy suave, casi blanco */
    --papel-2: #f1eee7;        /* franjas / secciones alternas */
    --carta: #ffffff;          /* tarjetas: blanco limpio */
    --carta-alta: #f3f1ea;
    --tinta: #2a2723;          /* texto de lectura, casi negro cálido */
    --tinta-suave: #5f5a51;    /* texto secundario */
    --titulo: #201d18;         /* titulares */
    --oro: #9c7d3f;            /* oro viejo, solo detalles */
    --oro-claro: #b8934a;
    --burdeos: #8a2e2a;        /* acento principal */
    --burdeos-claro: #a5392f;
    --tenue: #9c968a;          /* metadatos, muy suave */
    --linea: rgba(40,34,26,.12);
    --linea-fuerte: rgba(40,34,26,.24);
    --radio: 8px;
    --ancho: 1180px;
    --lectura: 640px;
    --display: 'Cormorant Garamond', Georgia, serif;
    --serif: 'Spectral', Georgia, 'Times New Roman', serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--papel);
    color: var(--tinta);
    font-family: var(--serif);
    font-size: 18px; line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
a { color: var(--burdeos); text-decoration: none; transition: color .18s; }
a:hover { color: var(--burdeos-claro); }
img { max-width: 100%; height: auto; display: block; }
h1,h2,h3,h4 { font-family: var(--display); font-weight: 600; line-height: 1.12; color: var(--titulo); }
.contenedor { max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }
.lectura { max-width: var(--lectura); margin: 0 auto; }

/* etiqueta pequeña sans reutilizable (kickers, metadatos) */
.et, .seccion-cab .et, .hero-txt .kicker, .ab-hero-txt .et, .libro-hero .et {
    font-family: var(--sans);
}

/* ─── Cabecera ─────────────────────────────────────────────── */
.cabecera {
    position: sticky; top: 0; z-index: 100;
    background: rgba(247,245,240,.86); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--linea);
}
.cabecera .contenedor { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.marca { display: flex; align-items: center; gap: 12px; }
.marca img { height: 44px; width: auto; }
.marca .texto { font-family: var(--display); font-size: 1.65rem; font-weight: 700; color: var(--titulo); letter-spacing: .01em; }
.marca .texto .punto { color: var(--oro); font-size: .62em; font-weight: 500; letter-spacing: .01em; vertical-align: .04em; }
.nav-menu { display: flex; gap: 32px; list-style: none; align-items: center; }
.nav-menu a { font-family: var(--sans); color: var(--tinta-suave); font-size: .9rem; font-weight: 500; letter-spacing: .01em; }
.nav-menu a:hover, .nav-menu a.activo { color: var(--burdeos); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; font-size: 1.5rem; color: var(--burdeos); }

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
    position: relative; overflow: hidden;
    padding: 96px 0 88px;
    background:
        radial-gradient(ellipse 60% 50% at 12% 92%, rgba(138,46,42,.035), transparent 60%),
        var(--papel-2);
    border-bottom: 1px solid var(--linea);
}
.hero .marca-agua {
    position: absolute; right: -40px; top: 30px;
    font-family: var(--display); font-size: 30rem; line-height: 1;
    color: rgba(40,34,26,.035); z-index: 0; pointer-events: none; font-weight: 700;
}
.hero .contenedor { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-txt .kicker { display: inline-flex; align-items: center; gap: 10px; font-size: .76rem; text-transform: uppercase; letter-spacing: .22em; color: var(--oro); font-weight: 600; margin-bottom: 22px; }
.hero-txt .kicker::before { content: ''; width: 30px; height: 1px; background: var(--oro); }
.hero-txt h1 { font-size: clamp(2.9rem, 6vw, 4.8rem); letter-spacing: -.01em; margin-bottom: 18px; color: var(--titulo); }
.hero-txt h1 .brillo { color: var(--burdeos); font-style: italic; }
.hero-txt .lema { font-family: var(--display); font-style: italic; font-size: clamp(1.45rem,3vw,2rem); color: var(--tinta-suave); margin-bottom: 24px; max-width: 520px; line-height: 1.3; }
.hero-txt .sub { color: var(--tinta-suave); font-size: 1.08rem; max-width: 480px; margin-bottom: 32px; }
.hero-txt .acciones { display: flex; gap: 14px; flex-wrap: wrap; }

/* pila de portadas en el hero */
.hero-pila { position: relative; height: 440px; display: flex; align-items: center; justify-content: center; }
.hero-pila .cover {
    position: absolute; width: 250px; border-radius: 4px;
    box-shadow: 0 26px 50px rgba(60,40,20,.32), 0 2px 6px rgba(60,40,20,.2);
    transition: transform .4s cubic-bezier(.2,.7,.3,1);
}
.hero-pila .c1 { transform: rotate(-9deg) translateX(-72px) scale(.9); z-index: 1; filter: brightness(.94); }
.hero-pila .c3 { transform: rotate(9deg) translateX(72px) scale(.9); z-index: 1; filter: brightness(.94); }
.hero-pila .c2 { transform: translateY(-10px); z-index: 3; }
.hero-pila:hover .c1 { transform: rotate(-13deg) translateX(-120px) scale(.92); filter: brightness(1); }
.hero-pila:hover .c3 { transform: rotate(13deg) translateX(120px) scale(.92); filter: brightness(1); }

/* ─── Botones ──────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 9px; font-family: var(--sans); font-size: .96rem; font-weight: 600; padding: 13px 30px; border-radius: 3px; cursor: pointer; border: 1.5px solid transparent; transition: all .2s; }
.btn-oro { background: var(--burdeos); color: #f7f0e3; }
.btn-oro:hover { background: var(--burdeos-claro); color: #fff7ea; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(138,46,42,.25); }
.btn-linea { border-color: var(--linea-fuerte); color: var(--tinta); background: transparent; }
.btn-linea:hover { border-color: var(--burdeos); color: var(--burdeos); background: rgba(138,46,42,.04); }

/* ─── Secciones ────────────────────────────────────────────── */
.seccion { padding: 88px 0; position: relative; }
.franja { background: var(--papel-2); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }
.seccion-cab { text-align: center; margin-bottom: 54px; }
.seccion-cab .et { font-size: .74rem; text-transform: uppercase; letter-spacing: .24em; color: var(--oro); font-weight: 600; margin-bottom: 14px; }
.seccion-cab h2 { font-size: clamp(2rem, 4vw, 2.9rem); }
.seccion-cab p { color: var(--tinta-suave); max-width: 560px; margin: 14px auto 0; }

/* ─── Catálogo ─────────────────────────────────────────────── */
.catalogo { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 34px; }
.libro-card { background: var(--carta); border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 2px 4px rgba(60,40,20,.05); transition: transform .25s, box-shadow .25s, border-color .25s; }
.libro-card:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(60,40,20,.16); border-color: var(--linea-fuerte); }
.libro-card .portada-wrap { position: relative; padding: 28px 28px 0; }
.libro-card .portada-wrap img { border-radius: 3px; box-shadow: 0 14px 28px rgba(40,26,12,.28); aspect-ratio: 3/4; object-fit: cover; width: 100%; }
.libro-card .estado { position: absolute; top: 40px; right: 40px; font-family: var(--sans); font-size: .64rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; padding: 5px 12px; border-radius: 50px; z-index: 2; }
.estado-nuevo { background: var(--burdeos); color: #f7f0e3; }
.estado-disponible { background: var(--oro); color: #2c2109; }
.estado-pronto { background: var(--papel-2); color: var(--tinta-suave); border: 1px solid var(--linea); }
.libro-card .cuerpo { padding: 22px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.libro-card h3 { font-size: 1.65rem; margin-bottom: 2px; }
.libro-card .autor { font-family: var(--display); font-style: italic; font-size: 1.05rem; color: var(--burdeos); margin-bottom: 12px; }
.libro-card p { font-size: .95rem; color: var(--tinta-suave); flex: 1; }
.libro-card .meta { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--linea); font-family: var(--sans); font-size: .78rem; color: var(--tenue); }

/* ─── Ventajas ─────────────────────────────────────────────── */
.ventajas { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px,1fr)); gap: 20px; }
.ventaja { background: var(--carta); border: 1px solid var(--linea); border-radius: var(--radio); padding: 34px 30px; text-align: center; transition: border-color .2s, transform .2s; }
.ventaja:hover { border-color: var(--linea-fuerte); transform: translateY(-3px); }
.ventaja .icono { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%; background: rgba(154,120,56,.12); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; border: 1px solid var(--linea); }
.ventaja h3 { font-size: 1.45rem; margin-bottom: 8px; }
.ventaja p { color: var(--tinta-suave); font-size: .96rem; }

/* ─── Página de libro (ficha) ──────────────────────────────── */
.libro-hero { padding: 66px 0 58px; background: radial-gradient(ellipse 60% 50% at 20% 8%, rgba(138,46,42,.03), transparent 60%); }
.libro-hero .grid { display: grid; grid-template-columns: 320px 1fr; gap: 64px; align-items: center; }
.libro-hero .portada-grande img { border-radius: 5px; box-shadow: 0 30px 60px rgba(40,26,12,.4), 0 3px 8px rgba(40,26,12,.25); }
.libro-hero .et { font-size: .74rem; text-transform: uppercase; letter-spacing: .22em; color: var(--oro); font-weight: 600; margin-bottom: 14px; }
.libro-hero h1 { font-size: clamp(2.5rem,5vw,3.8rem); margin-bottom: 4px; }
.libro-hero .autor-linea { font-family: var(--display); font-style: italic; font-size: 1.6rem; color: var(--burdeos); margin-bottom: 22px; }
.libro-hero .descripcion { color: var(--tinta); font-size: 1.12rem; line-height: 1.7; margin-bottom: 28px; max-width: 560px; white-space: pre-line; }
.libro-hero .acciones { display: flex; gap: 14px; flex-wrap: wrap; }
.libro-datos { display: flex; gap: 34px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--linea); flex-wrap: wrap; }
.libro-datos .n { font-family: var(--display); font-size: 2rem; font-weight: 700; color: var(--burdeos); }
.libro-datos .l { font-family: var(--sans); font-size: .74rem; color: var(--tenue); text-transform: uppercase; letter-spacing: .09em; }

/* ─── Prosa editorial (sobre la obra, FAQ) ─────────────────── */
.prosa { color: var(--tinta); font-size: 1.12rem; line-height: 1.8; }
.prosa p { margin-bottom: 20px; }
.prosa p:first-of-type::first-letter {
    font-family: var(--display); font-weight: 700; float: left;
    font-size: 3.6em; line-height: .82; padding: 6px 12px 0 0; color: var(--burdeos);
}
.prosa h2, .seccion h2.izq { text-align: left; }
.seccion h3 { color: var(--titulo); }

/* ─── Cita destacada ───────────────────────────────────────── */
.cita-grande { text-align: center; max-width: 800px; margin: 0 auto; }
.cita-grande .comillas { font-family: var(--display); font-size: 6rem; line-height: .5; color: var(--oro); opacity: .55; }
.cita-grande blockquote { font-family: var(--display); font-style: italic; font-size: clamp(1.7rem,4vw,2.5rem); color: var(--titulo); line-height: 1.35; margin: 20px 0; }
.cita-grande cite { font-family: var(--sans); color: var(--burdeos); font-style: normal; font-size: .95rem; letter-spacing: .04em; }

/* ─── Migas ────────────────────────────────────────────────── */
.migas { padding: 22px 0; font-family: var(--sans); font-size: .82rem; color: var(--tenue); }
.migas a { color: var(--tenue); } .migas a:hover { color: var(--burdeos); }
.migas .sep { margin: 0 8px; opacity: .6; }

/* ─── Pie (anclaje oscuro tipo tapa) ───────────────────────── */
.pie { background: #241d16; color: #d8ccb4; border-top: 3px solid var(--oro); padding: 62px 0 30px; }
.pie .grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; margin-bottom: 44px; }
.pie .marca-pie { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.pie .marca-pie img { height: 30px; width: auto; }
.pie .marca-pie .texto { font-family: var(--display); font-size: 1.55rem; color: #f2e9d6; }
.pie .marca-pie .punto { color: var(--oro-claro); font-size: .62em; font-weight: 500; letter-spacing: .01em; vertical-align: .04em; }
.pie p { font-size: .95rem; color: #b6a98f; max-width: 320px; }
.pie h4 { color: #f2e9d6; font-family: var(--sans); font-size: .76rem; text-transform: uppercase; letter-spacing: .13em; margin-bottom: 16px; }
.pie ul { list-style: none; }
.pie ul li { margin-bottom: 9px; font-size: .95rem; }
.pie ul a { color: #b6a98f; } .pie ul a:hover { color: var(--oro-claro); }
.pie .abajo { border-top: 1px solid rgba(216,204,180,.14); padding-top: 22px; font-family: var(--sans); font-size: .8rem; color: #8d816a; text-align: center; }

/* ─── Responsive base ──────────────────────────────────────── */
@media (max-width: 900px) {
    .hero .contenedor { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-txt .kicker, .hero-txt .acciones { justify-content: center; }
    .hero-txt .lema, .hero-txt .sub { margin-left: auto; margin-right: auto; }
    .hero-pila { height: 360px; }
    .hero .marca-agua { font-size: 20rem; opacity: .6; }
    .libro-hero .grid { grid-template-columns: 1fr; text-align: center; gap: 34px; }
    .libro-hero .portada-grande { max-width: 260px; margin: 0 auto; }
    .libro-hero .acciones, .libro-datos { justify-content: center; }
    .libro-hero .descripcion { text-align: left; }
    .pie .grid { grid-template-columns: 1fr; gap: 28px; }
    .nav-menu { display: none; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column; background: var(--papel); border-bottom: 1px solid var(--linea); padding: 20px 24px; gap: 18px; }
    .nav-menu.abierto { display: flex; }
    .nav-toggle { display: block; }
}

/* ═══════════════════════════════════════════════════════════════
   LECTURA — el corazón. Leer como un libro.
   ═══════════════════════════════════════════════════════════════ */
.texto-obra { padding: 60px 0 40px; }
.obra-cab { text-align: center; margin-bottom: 54px; }
.obra-cab h1 { font-size: clamp(2.5rem,5vw,3.6rem); }
.obra-cab .sub { font-family: var(--display); font-style: italic; font-size: 1.45rem; color: var(--burdeos); margin-top: 6px; }
.obra-cab p { color: var(--tinta-suave); margin-top: 14px; }

.lector { max-width: 680px; margin: 0 auto; }
.lector-barra { position: sticky; top: 74px; z-index: 40; background: rgba(247,245,240,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--linea); padding: 13px 0; margin-bottom: 48px; }
.lector-barra .fila { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lector-prog { flex: 1; height: 3px; background: var(--carta-alta); border-radius: 2px; overflow: hidden; }
.lector-prog-fill { height: 100%; background: linear-gradient(90deg, var(--oro), var(--oro-claro)); width: 1.2%; transition: width .3s; }
.lector-cont { font-family: var(--sans); font-size: .8rem; color: var(--tenue); white-space: nowrap; font-variant-numeric: tabular-nums; }
.btn-indice { background: none; border: 1px solid var(--linea-fuerte); color: var(--burdeos); border-radius: 3px; padding: 7px 16px; font-size: .82rem; cursor: pointer; font-family: var(--sans); font-weight: 600; transition: all .18s; }
.btn-indice:hover { border-color: var(--burdeos); background: rgba(138,46,42,.05); }

.lector-cap { min-height: 380px; animation: aparece .4s ease; }
@keyframes aparece { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.lector-cap .num { font-family: var(--sans); font-size: .74rem; text-transform: uppercase; letter-spacing: .24em; color: var(--oro); font-weight: 700; margin-bottom: 10px; text-align: center; }
.lector-cap h2 { font-size: 2.3rem; font-style: italic; margin-bottom: 6px; text-align: center; color: var(--titulo); font-weight: 600; }
.lector-cap h2::after { content: "❦"; display: block; font-family: var(--display); font-style: normal; color: var(--oro); font-size: 1.15rem; margin: 20px 0 6px; opacity: .75; }

/* verso (poesía: Tao) — centrado, aire */
.lector-cap .verso { font-family: var(--serif); font-size: 1.34rem; line-height: 1.9; color: var(--tinta); white-space: pre-line; text-align: center; margin-top: 26px; }

/* prosa (versículos numerados: Sun Tzu, Marco Aurelio) */
.lector-cap .prosa-obra { font-family: var(--serif); font-size: 1.2rem; line-height: 1.85; color: var(--tinta); text-align: left; margin-top: 30px; }
.lector-cap .prosa-obra p { margin-bottom: 20px; position: relative; }
.lector-cap .prosa-obra strong { color: var(--oro); font-weight: 600; font-family: var(--sans); font-size: .72em; letter-spacing: .02em; margin-right: 8px; vertical-align: .12em; }
.lector-cap .prosa-obra p:first-of-type::first-letter { /* sin capitular por los números */ }

.lector-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--linea); }
.lector-nav button { background: var(--carta); border: 1px solid var(--linea-fuerte); color: var(--tinta); border-radius: 3px; padding: 12px 22px; font-size: .92rem; cursor: pointer; font-family: var(--sans); font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: all .18s; }
.lector-nav button:hover:not(:disabled) { border-color: var(--burdeos); color: var(--burdeos); background: rgba(138,46,42,.04); }
.lector-nav button:disabled { opacity: .35; cursor: default; }

/* índice modal */
.indice-modal { position: fixed; inset: 0; background: rgba(36,29,22,.55); backdrop-filter: blur(5px); z-index: 200; display: none; align-items: flex-start; justify-content: center; padding: 60px 20px; overflow-y: auto; }
.indice-modal.abierto { display: flex; }
.indice-panel { background: var(--carta); border: 1px solid var(--linea); border-radius: var(--radio); max-width: 820px; width: 100%; padding: 38px; box-shadow: 0 30px 80px rgba(40,26,12,.35); }
.indice-panel h3 { font-size: 1.9rem; margin-bottom: 6px; }
.indice-panel .cerrar { float: right; background: none; border: 0; color: var(--tenue); font-size: 1.9rem; cursor: pointer; line-height: 1; }
.indice-lista { columns: 2; column-gap: 30px; margin-top: 22px; }
.indice-lista button { display: flex; gap: 12px; width: 100%; text-align: left; background: none; border: 0; color: var(--tinta-suave); padding: 8px 8px; border-radius: 4px; cursor: pointer; font-family: var(--serif); font-size: .98rem; break-inside: avoid; transition: background .15s, color .15s; }
.indice-lista button:hover { background: var(--papel-2); color: var(--burdeos); }
.indice-lista .in { color: var(--oro); font-family: var(--display); font-weight: 700; min-width: 28px; }
@media (max-width:600px){ .indice-lista { columns: 1; } .lector-cap h2 { font-size: 1.8rem; } .lector-cap .verso { font-size: 1.2rem; } .lector-cap .prosa-obra { font-size: 1.1rem; } }

/* ─── Reproductor propio del lector ────────────────────────── */
.cap-player { display: flex; align-items: center; gap: 16px; max-width: 440px; margin: 30px auto 6px; padding: 11px 18px 11px 11px; background: var(--carta); border: 1px solid var(--linea); border-radius: 50px; box-shadow: 0 2px 5px rgba(60,40,20,.06); transition: border-color .2s; }
.cap-player:hover { border-color: var(--linea-fuerte); }
.cap-player .pp { flex-shrink: 0; width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer; background: var(--burdeos); color: #f7f0e3; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: transform .15s, background .2s; }
.cap-player .pp:hover { transform: scale(1.06); background: var(--burdeos-claro); }
.cap-player .pl-mid { flex: 1; min-width: 0; }
.cap-player .pl-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; }
.cap-player .pl-label { font-family: var(--sans); font-size: .74rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--oro); }
.cap-player .pl-time { font-family: var(--sans); font-size: .76rem; color: var(--tenue); font-variant-numeric: tabular-nums; }
.cap-player .pl-bar { height: 5px; background: var(--carta-alta); border-radius: 3px; cursor: pointer; overflow: hidden; border: 1px solid var(--linea); }
.cap-player .pl-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--oro), var(--oro-claro)); border-radius: 3px; transition: width .1s linear; }
.cap-player.no-audio { opacity: .55; pointer-events: none; }
.cap-player.no-audio .pl-label::after { content: ' — en preparación'; font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--tenue); }

/* ═══════════════════════════════════════════════════════════════
   AUDIOLIBRO
   ═══════════════════════════════════════════════════════════════ */
.ab-hero { padding: 58px 0 66px; background: radial-gradient(ellipse 60% 55% at 82% 12%, rgba(138,46,42,.035), transparent 60%), var(--papel-2); border-bottom: 1px solid var(--linea); }
.ab-hero-grid { display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: center; }
.ab-hero-cover { position: relative; }
.ab-hero-cover img { border-radius: 5px; box-shadow: 0 26px 52px rgba(40,26,12,.4), 0 2px 6px rgba(40,26,12,.25); }
.ab-hero-badge { position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%); background: var(--burdeos); color: #f7f0e3; font-family: var(--sans); font-weight: 700; font-size: .8rem; padding: 8px 20px; border-radius: 50px; white-space: nowrap; box-shadow: 0 8px 20px rgba(138,46,42,.3); }
.ab-hero-txt .et { font-size: .76rem; text-transform: uppercase; letter-spacing: .22em; color: var(--oro); font-weight: 600; margin-bottom: 16px; }
.ab-hero-txt h1 { font-size: clamp(2.6rem, 5vw, 4rem); line-height: 1.05; margin-bottom: 20px; }
.ab-hero-txt h1 .brillo { color: var(--burdeos); font-style: italic; }
.ab-hero-txt p { color: var(--tinta-suave); max-width: 520px; margin-bottom: 28px; font-size: 1.06rem; }
.ab-hero-acciones { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.ab-hero-meta { display: flex; gap: 32px; }
.ab-hero-meta span { font-family: var(--sans); font-size: .88rem; color: var(--tenue); }
.ab-hero-meta strong { color: var(--burdeos); font-family: var(--display); font-size: 1.35rem; font-weight: 700; }

.ab-lista { list-style: none; border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; background: var(--carta); }
.ab-item { display: flex; align-items: center; gap: 16px; padding: 14px 18px; cursor: pointer; border-bottom: 1px solid var(--linea); transition: background .15s; }
.ab-item:last-child { border-bottom: 0; }
.ab-item:hover { background: var(--papel-2); }
.ab-item .ab-i-num { font-family: var(--display); font-weight: 700; color: var(--oro); min-width: 34px; font-size: 1.05rem; }
.ab-item .ab-i-title { flex: 1; color: var(--tinta); font-size: 1rem; }
.ab-item .ab-i-dur { font-family: var(--sans); font-size: .8rem; color: var(--tenue); font-variant-numeric: tabular-nums; }
.ab-item.sonando { background: rgba(154,120,56,.1); }
.ab-item.sonando .ab-i-title { color: var(--burdeos); font-weight: 600; }
.ab-item.sonando .ab-i-num::before { content: '▶ '; font-size: .68rem; }

.ab-player { position: fixed; left: 0; right: 0; bottom: 0; z-index: 150; background: rgba(36,29,22,.97); backdrop-filter: blur(16px); border-top: 2px solid var(--oro); transform: translateY(110%); transition: transform .35s cubic-bezier(.2,.7,.3,1); }
.ab-player.activo { transform: none; }
.ab-inner { display: flex; align-items: center; gap: 28px; padding: 13px 24px; }
.ab-now { display: flex; align-items: center; gap: 14px; min-width: 200px; width: 240px; }
.ab-now-num { width: 40px; height: 40px; flex-shrink: 0; border-radius: 6px; background: rgba(154,120,56,.2); color: var(--oro-claro); font-family: var(--display); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.ab-now-txt { min-width: 0; }
.ab-now-title { color: #f2e9d6; font-weight: 600; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ab-now-sub { font-family: var(--sans); color: #9a8d74; font-size: .74rem; }
.ab-controls { display: flex; align-items: center; gap: 8px; }
.ab-controls button { background: none; border: 0; color: #e6dcc6; font-size: 1.15rem; cursor: pointer; width: 40px; height: 40px; border-radius: 50%; transition: color .15s, background .15s; }
.ab-controls button:hover:not(:disabled) { color: var(--oro-claro); background: rgba(255,255,255,.06); }
.ab-controls button:disabled { opacity: .3; cursor: default; }
.ab-controls .ab-play { background: var(--oro); color: #2c2109; width: 48px; height: 48px; font-size: 1.1rem; }
.ab-controls .ab-play:hover { color: #2c2109; background: var(--oro-claro); transform: scale(1.05); }
.ab-seek-wrap { flex: 1; display: flex; align-items: center; gap: 12px; }
.ab-seek { flex: 1; height: 5px; background: rgba(255,255,255,.12); border-radius: 3px; cursor: pointer; overflow: hidden; }
.ab-seek-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--oro), var(--oro-claro)); border-radius: 3px; }
.ab-t { font-family: var(--sans); font-size: .76rem; color: #9a8d74; font-variant-numeric: tabular-nums; min-width: 38px; text-align: center; }
body.con-player { padding-bottom: 84px; }

@media (max-width: 820px) {
  .ab-hero-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .ab-hero-cover { max-width: 220px; margin: 0 auto; }
  .ab-hero-acciones, .ab-hero-meta { justify-content: center; }
  .ab-inner { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .ab-now { width: 100%; order: 1; }
  .ab-controls { order: 2; }
  .ab-seek-wrap { order: 3; width: 100%; flex: 1 1 100%; }
}
.ab-item-pronto { opacity: .55; cursor: default; }
.ab-item-pronto:hover { background: none; }
.ab-pronto { font-family: var(--sans); font-size: .72rem; color: var(--tenue); font-style: italic; }

/* ─── CTA compra ───────────────────────────────────────────── */
.cta-compra { background: var(--carta); border: 1px solid var(--linea); border-left: 3px solid var(--oro); border-radius: var(--radio); padding: 30px 36px; max-width: var(--lectura); margin: 46px auto; display: flex; gap: 28px; align-items: center; flex-wrap: wrap; box-shadow: 0 2px 6px rgba(60,40,20,.05); }
.cta-compra img { width: 118px; border-radius: 3px; box-shadow: 0 14px 28px rgba(40,26,12,.3); }
.cta-compra .txt { flex: 1; min-width: 220px; }
.cta-compra h3 { font-size: 1.55rem; margin-bottom: 8px; }
.cta-compra p { color: var(--tinta-suave); font-size: .98rem; margin-bottom: 18px; }
.cta-compra .aviso { font-family: var(--sans); font-size: .78rem; color: var(--tenue); font-style: italic; margin-top: 12px; margin-bottom: 0; }

.tag-audio { display: inline-flex; align-items: center; gap: 3px; color: var(--oro); font-weight: 600; }


/* ═══════════════════════════════════════════════════════════════
   LA BIBLIOTECA — estanterías, baldas y lomos
   ═══════════════════════════════════════════════════════════════ */
.biblio-hero { padding: 66px 0 30px; text-align: center; }
.biblio-hero .et { font-family: var(--sans); font-size: .74rem; text-transform: uppercase; letter-spacing: .24em; color: var(--oro); font-weight: 600; margin-bottom: 14px; }
.biblio-hero h1 { font-size: clamp(2.6rem, 6vw, 4.2rem); }
.biblio-hero h1 .brillo { color: var(--burdeos); font-style: italic; }
.biblio-hero p { max-width: 640px; margin: 16px auto 0; color: var(--tinta-suave); font-size: 1.12rem; }
.biblio-stats { display: flex; gap: 40px; justify-content: center; margin-top: 26px; }
.biblio-stats span { font-family: var(--sans); font-size: .8rem; color: var(--tenue); text-transform: uppercase; letter-spacing: .08em; }
.biblio-stats b { display: block; font-family: var(--display); color: var(--burdeos); font-size: 1.9rem; font-weight: 700; letter-spacing: 0; }

.biblio-nav { position: sticky; top: 74px; z-index: 40; background: rgba(247,245,240,.94); backdrop-filter: blur(10px); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); padding: 12px 0; margin-top: 20px; }
.biblio-nav .contenedor { display: flex; gap: 9px; overflow-x: auto; scrollbar-width: none; }
.biblio-nav .contenedor::-webkit-scrollbar { display: none; }
.biblio-nav a { flex: 0 0 auto; font-family: var(--sans); font-size: .82rem; font-weight: 500; padding: 7px 15px; border: 1px solid var(--linea); border-radius: 50px; color: var(--tinta-suave); white-space: nowrap; transition: all .15s; }
.biblio-nav a:hover { border-color: var(--burdeos); color: var(--burdeos); background: rgba(138,46,42,.04); }

.estante { padding: 44px 0 8px; }
.estante-cab { display: flex; align-items: baseline; gap: 16px; }
.estante-cab h2 { font-size: 2rem; }
.estante-cab .cuenta { font-family: var(--sans); font-size: .72rem; color: var(--tenue); text-transform: uppercase; letter-spacing: .12em; }
.estante-desc { color: var(--tinta-suave); font-size: .98rem; margin: 4px 0 20px; max-width: 620px; }

.balda { position: relative; }
.balda-fila { display: flex; align-items: flex-end; gap: 9px; overflow-x: auto; padding: 30px 4px 0; scrollbar-width: thin; }
.balda-fila::-webkit-scrollbar { height: 6px; }
.balda-fila::-webkit-scrollbar-thumb { background: var(--linea-fuerte); border-radius: 3px; }
.balda-tabla { height: 15px; border-radius: 0 0 3px 3px; background: linear-gradient(180deg, #6f5236 0%, #513a24 60%, #3d2b19 100%); box-shadow: 0 18px 26px -12px rgba(40,26,12,.55), inset 0 2px 0 rgba(255,255,255,.08); }

/* lomo (próximamente) */
.lomo { position: relative; flex: 0 0 auto; border-radius: 3px 3px 0 0; cursor: default; background: var(--c); display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 9px 0; overflow: hidden;
  box-shadow: inset -7px 0 13px rgba(0,0,0,.28), inset 4px 0 7px rgba(255,255,255,.07), 0 8px 16px -6px rgba(40,26,12,.4);
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s; }
.lomo::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.06), transparent 22%, transparent 78%, rgba(0,0,0,.18)); pointer-events: none; }
.lomo:hover { transform: translateY(-10px); box-shadow: inset -7px 0 13px rgba(0,0,0,.28), 0 18px 26px -8px rgba(40,26,12,.55); }
.lomo-banda { width: 100%; height: 4px; background: rgba(198,162,92,.65); flex: 0 0 auto; }
.lomo-tit { writing-mode: vertical-rl; text-orientation: mixed; font-family: var(--display); font-weight: 600; font-size: .9rem; line-height: 1.04; letter-spacing: .01em; color: rgba(242,229,196,.96); flex: 1; display: flex; align-items: center; justify-content: center; text-align: center; padding: 8px 2px; max-height: 100%; overflow: hidden; }
.lomo-aut { writing-mode: vertical-rl; font-family: var(--sans); font-size: .56rem; letter-spacing: .05em; text-transform: uppercase; color: rgba(242,229,196,.55); flex: 0 0 auto; white-space: nowrap; }

/* libro disponible (de cara) */
.libro-face { position: relative; flex: 0 0 auto; width: 150px; align-self: flex-end; transition: transform .22s cubic-bezier(.2,.7,.3,1); }
.libro-face img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 2px 3px 3px 2px; box-shadow: -3px 6px 16px rgba(40,26,12,.4), inset 3px 0 6px rgba(255,255,255,.06); }
.libro-face:hover { transform: translateY(-12px); }
.libro-face .face-cinta { position: absolute; top: 10px; left: -5px; z-index: 3; background: var(--burdeos); color: #f7f0e3; font-family: var(--sans); font-size: .6rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; padding: 3px 9px; border-radius: 2px; box-shadow: 0 3px 6px rgba(40,26,12,.35); }
.libro-face .face-pie { display: block; margin-top: 10px; font-family: var(--sans); font-size: .72rem; color: var(--tenue); line-height: 1.35; }
.libro-face .face-pie b { display: block; font-family: var(--display); font-size: 1.05rem; font-weight: 700; color: var(--titulo); }

@media (max-width: 700px) {
  .biblio-stats { gap: 26px; }
  .libro-face { width: 120px; }
  .estante-cab { flex-direction: column; gap: 2px; align-items: flex-start; }
}

/* prosa corrida (libros sin versículos: El Príncipe, etc.) — con capitular */
.lector-cap .prosa-corrida p:first-of-type::first-letter { font-family: var(--display); font-weight: 700; float: left; font-size: 3.4em; line-height: .78; padding: 8px 12px 0 0; color: var(--burdeos); }
.lector-cap .prosa-corrida p { text-align: justify; }