/* Biblioteca Alimentación Molecular. Tokens from the ALMO identity manual: Poppins headings, Open Sans text,
   brand greens #5B9069 / #40724D / #1E2F22, gold #D5C43F as a restrained accent, light ground #F8F8F8. */

@font-face { font-family: "Poppins"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fuentes/Poppins-SemiBold-latin.woff2") format("woff2"); }
@font-face { font-family: "Poppins"; font-weight: 700; font-style: normal; font-display: swap; src: url("/assets/fuentes/Poppins-Bold-latin.woff2") format("woff2"); }
@font-face { font-family: "Open Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fuentes/OpenSans-Regular-latin.woff2") format("woff2"); }
@font-face { font-family: "Open Sans"; font-weight: 400; font-style: italic; font-display: swap; src: url("/assets/fuentes/OpenSans-Italic-latin.woff2") format("woff2"); }
@font-face { font-family: "Open Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fuentes/OpenSans-SemiBold-latin.woff2") format("woff2"); }

:root {
  --verde: #5B9069;
  --verde-medio: #40724D;
  --verde-oscuro: #1E2F22;
  --verde-claro: #9CCBA8;
  --oro: #D5C43F;
  --oro-claro: #DBC569;
  --fondo: #F8F8F8;
  --blanco: #FFFFFF;
  --texto: #474747;
  --gris: #5F5F5F;
  --linea: #E2E2DE;
  --titulos: "Poppins", "Segoe UI", system-ui, sans-serif;
  --cuerpo: "Open Sans", "Segoe UI", system-ui, sans-serif;
  --ancho: 72rem;
  --margen: clamp(1.25rem, 4vw, 3rem);
  --crema: #F6F3EA;
  --noche: #142019;
  --carbohidrato: #E8B93A;
  --proteina: #C81818;
  --grasa: #1817E5;
  --libre: #5B9069;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--blanco); color: var(--texto); font: 400 1.0625rem/1.65 var(--cuerpo); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--verde-medio); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--verde-oscuro); }
:focus-visible { outline: 3px solid var(--oro); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3, h4 { font-family: var(--titulos); color: var(--verde-oscuro); line-height: 1.15; margin: 0; letter-spacing: -0.01em; text-wrap: balance; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.saltar { position: absolute; left: -999px; top: 0; background: var(--verde-oscuro); color: var(--blanco); padding: 0.6rem 1rem; z-index: 10; }
.saltar:focus { left: 1rem; top: 1rem; }
.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 var(--margen); }

/* Header: sits on the dark hero */
.cabecera { background: var(--verde-oscuro); border-bottom: 1px solid rgba(213, 196, 63, 0.22); position: relative; z-index: 2; }
.cabecera .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 1rem 1.5rem; min-height: 4.5rem; flex-wrap: wrap; padding-top: 0.6rem; padding-bottom: 0.6rem; }
.marca { display: flex; align-items: center; gap: 0.8rem; text-decoration: none; color: var(--verde-oscuro); }
.marca img { width: 44px; height: 44px; }
.marca span { display: flex; flex-direction: column; line-height: 1.1; }
.marca small { font: 600 0.7rem/1.2 var(--titulos); letter-spacing: 0.14em; text-transform: uppercase; color: var(--verde); }
.marca strong { font: 700 1.25rem/1.15 var(--titulos); letter-spacing: -0.01em; }
.cabecera .marca, .cabecera .marca strong { color: var(--blanco); }
.cabecera .marca small { color: var(--verde-claro); }
.navegacion ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1.6rem; }
.navegacion a { font: 600 0.92rem/1 var(--titulos); color: #E6EEE8; text-decoration: none; padding: 0.5rem 0; border-bottom: 2px solid transparent; }
.navegacion a:hover, .navegacion a[aria-current="page"] { color: var(--blanco); border-bottom-color: var(--oro); }
.navegacion a.boton-guia { background: var(--oro); color: var(--verde-oscuro); border: 0; padding: 0.7rem 1.1rem; border-radius: 999px; }
.navegacion a.boton-guia:hover { background: var(--oro-claro); }

/* Shared type */
.antetitulo { font: 600 0.76rem/1.2 var(--titulos); letter-spacing: 0.18em; text-transform: uppercase; color: var(--verde); margin: 0 0 1rem; display: flex; align-items: center; gap: 0.75rem; }
.antetitulo::before { content: ""; width: 2rem; height: 2px; background: var(--oro); flex: none; }
.antetitulo.claro { color: var(--oro-claro); }
.entrada { font-size: clamp(1.08rem, 1.5vw, 1.25rem); color: var(--gris); max-width: 48ch; margin: 1.25rem 0 0; }
.regla-oro { width: 4.5rem; height: 3px; border: 0; background: var(--oro); margin: 1.75rem 0; }
.boton { display: inline-flex; align-items: center; justify-content: center; font: 600 0.95rem/1 var(--titulos); min-height: 3.1rem; padding: 0 1.5rem; border-radius: 999px; text-decoration: none; background: var(--verde-oscuro); color: var(--blanco); border: 1.5px solid var(--verde-oscuro); transition: background 0.2s, transform 0.2s; }
.boton:hover { background: var(--verde-medio); border-color: var(--verde-medio); color: var(--blanco); transform: translateY(-1px); }
.boton.oro { background: var(--oro); border-color: var(--oro); color: var(--verde-oscuro); box-shadow: 0 12px 26px -14px rgba(0, 0, 0, 0.6); }
.boton.oro:hover { background: var(--oro-claro); border-color: var(--oro-claro); color: var(--verde-oscuro); }
.boton.claro { background: transparent; border-color: rgba(255, 255, 255, 0.55); color: var(--blanco); }
.boton.claro:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--blanco); }
.boton.grande { min-height: 3.5rem; padding: 0 2rem; font-size: 1.02rem; }
.acciones { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 2rem 0 0; }
.mas { font: 600 0.95rem/1.2 var(--titulos); text-decoration: none; }
.mas::after { content: " →"; }
.etiquetas { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.etiqueta { font: 600 0.7rem/1 var(--titulos); letter-spacing: 0.1em; text-transform: uppercase; padding: 0.45rem 0.75rem; border-radius: 999px; border: 1px solid var(--verde-claro); color: var(--verde-medio); background: var(--blanco); }
.etiqueta.preparacion { border-color: var(--oro); color: #6B5F12; background: #FBF8E6; }
.etiqueta.gratis, .etiqueta.disponible { border-color: var(--verde); background: var(--verde); color: var(--blanco); }
.etiquetas.claras .etiqueta { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.28); color: #E6EEE8; }
.etiquetas.claras .etiqueta.preparacion { border-color: rgba(213, 196, 63, 0.7); color: var(--oro-claro); }

/* Dark editorial hero */
.hero { position: relative; overflow: hidden; color: #DCE6DF; background:
  radial-gradient(60rem 36rem at 85% 10%, rgba(91, 144, 105, 0.5), transparent 60%),
  radial-gradient(40rem 30rem at 0% 100%, rgba(64, 114, 77, 0.35), transparent 60%),
  linear-gradient(160deg, var(--verde-oscuro) 0%, var(--noche) 70%); }
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(213, 196, 63, 0.5), transparent); }
.hero-rejilla { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr); gap: 2rem 3rem; align-items: end; }
.hero-texto { padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3.5rem, 8vw, 6rem); align-self: center; }
.hero h1 { color: var(--blanco); font-size: clamp(2.5rem, 6vw, 4.6rem); font-weight: 700; line-height: 1.03; letter-spacing: -0.025em; max-width: 15ch; }
.hero h1 span { color: var(--verde-claro); }
.hero .entrada { color: #C3D2C8; }
.hero .subtitulo { font-size: clamp(1.1rem, 1.8vw, 1.4rem); line-height: 1.45; color: #C3D2C8; margin: 1.25rem 0 0; max-width: 40ch; }
.hero .promesa { font: 600 clamp(1.3rem, 2.4vw, 1.75rem)/1.3 var(--titulos); color: var(--oro-claro); margin: 0; max-width: 26ch; }
.hero .autores { font: 600 1rem/1.4 var(--titulos); color: var(--blanco); margin: 1.25rem 0 0; letter-spacing: 0.02em; }
.hero .etiquetas { margin: 0 0 1.5rem; }
.miga { font-size: 0.88rem; margin: 0 0 1.5rem; color: #9FB3A6; }
.miga a { color: #C3D2C8; }
.hero-libro h1 { max-width: 17ch; }
.hero-corto .contenedor { padding-top: clamp(3rem, 7vw, 5rem); padding-bottom: clamp(3rem, 7vw, 4.5rem); }
.hero-corto h1 { font-size: clamp(2.3rem, 5vw, 3.8rem); }

.hero-figura { position: relative; margin: 0; align-self: end; display: grid; justify-items: center; }
.hero-figura .disco { position: absolute; bottom: 12%; width: min(88%, 26rem); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 50% 38%, rgba(156, 203, 168, 0.32), rgba(91, 144, 105, 0.08) 65%, transparent 70%); box-shadow: inset 0 0 0 1px rgba(213, 196, 63, 0.4); }
.hero-figura .disco::after { content: ""; position: absolute; inset: -1.4rem; border-radius: 50%; border: 1px dashed rgba(213, 196, 63, 0.25); }
.hero-figura .retrato { position: relative; width: min(100%, 26rem); filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.45)); }
.hero-figura figcaption { position: absolute; bottom: 1.5rem; right: 0; font: 600 0.8rem/1.2 var(--titulos); letter-spacing: 0.08em; text-transform: uppercase; color: var(--blanco); background: rgba(20, 32, 25, 0.8); border-left: 3px solid var(--oro); padding: 0.6rem 0.9rem; }
.hero-figura.con-portada { align-self: center; padding: 3rem 0; }
.hero-figura .portada { width: min(100%, 22rem); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5); }

/* Sections */
.seccion { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.seccion.crema { background: var(--crema); }
.seccion-cabeza { display: flex; justify-content: space-between; align-items: end; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.seccion h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
.vacio { color: var(--gris); margin: 0; font-size: 1.1rem; }

/* Library shelf */
.estante { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 1.75rem; align-items: stretch; }
.estante:has(> :only-child) { grid-template-columns: minmax(0, 1fr); }
.tarjeta-libro { position: relative; overflow: hidden; border-radius: 1.25rem; color: #DCE6DF; background:
  radial-gradient(28rem 20rem at 100% 0%, rgba(91, 144, 105, 0.55), transparent 65%), linear-gradient(155deg, var(--verde-oscuro), var(--noche));
  box-shadow: 0 28px 60px -30px rgba(20, 32, 25, 0.6); display: grid; }
.tarjeta-libro::before { content: ""; position: absolute; left: clamp(1.75rem, 4vw, 2.75rem); top: 0; width: 4rem; height: 4px; background: var(--oro); }
.tarjeta-libro.con-portada { grid-template-columns: minmax(9rem, 14rem) minmax(0, 1fr); }
.tarjeta-libro .tapa { padding: 2.5rem 0 2.5rem 2.5rem; }
.tarjeta-libro .portada { box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5); }
.tarjeta-cuerpo { padding: clamp(1.75rem, 4vw, 2.75rem); display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem; }
.tarjeta-libro h3 { font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.08; margin-top: 0.6rem; }
.tarjeta-libro h3 a { color: var(--blanco); text-decoration: none; }
.tarjeta-libro .subtitulo { margin: 0; color: #C3D2C8; font-size: 1.05rem; line-height: 1.5; max-width: 44ch; }
.tarjeta-libro .promesa { margin: 0.4rem 0 0; font: 600 1.15rem/1.35 var(--titulos); color: var(--oro-claro); padding-left: 1rem; border-left: 3px solid var(--oro); }
.tarjeta-libro .autores { margin: 0; font: 600 0.95rem/1.3 var(--titulos); color: var(--blanco); }
.formatos { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; font-size: 0.88rem; color: #A9BCB0; }
.formatos li::before { content: "◆ "; color: var(--oro); font-size: 0.7em; vertical-align: 0.15em; }
.tarjeta-libro .boton { margin-top: auto; }
.tarjeta-libro .precio { font: 700 1.25rem/1 var(--titulos); color: var(--blanco); margin: 0; }
.tarjeta-guia { border-radius: 1.25rem; overflow: hidden; background: var(--blanco); box-shadow: 0 20px 50px -30px rgba(20, 32, 25, 0.45); display: flex; flex-direction: column; }
.tarjeta-guia .arte img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.4s ease; }
.tarjeta-guia .arte { overflow: hidden; display: block; }
.tarjeta-guia:hover .arte img { transform: scale(1.03); }
.tarjeta-guia h3 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }
.tarjeta-guia h3 a { color: inherit; text-decoration: none; }
.tarjeta-guia p { margin: 0; color: var(--gris); }
.tarjeta-guia .meta { font: 600 0.85rem/1.3 var(--titulos); color: var(--verde-medio); }
.tarjeta-guia .boton { margin-top: auto; }
.tarjeta-articulo { background: var(--blanco); border-radius: 1rem; padding: 1.75rem; display: flex; flex-direction: column; gap: 0.6rem; }
.tarjeta-articulo h3 a { color: inherit; text-decoration: none; }
.tarjeta-articulo p { margin: 0; color: var(--gris); }

/* Book landing: the question */
.pregunta { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 2.5rem 4rem; align-items: center; }
.contraste { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.contraste li { background: var(--blanco); border-radius: 1rem; padding: 1.75rem 2rem; box-shadow: 0 14px 40px -28px rgba(20, 32, 25, 0.5); }
.contraste li.oscuro { background: var(--verde-oscuro); border-left-color: var(--oro); color: #DCE6DF; }
.contraste p { margin: 0; font-size: 1.12rem; line-height: 1.55; }
.contraste strong { display: block; font: 700 1.4rem/1.2 var(--titulos); color: var(--verde-oscuro); margin-bottom: 0.4rem; }
.contraste .oscuro strong { color: var(--oro-claro); }

/* Book landing: the four colors */
.lenguaje { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 2.5rem 4rem; align-items: center; }
.lenguaje h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); line-height: 1.25; }
.grupos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.grupo { aspect-ratio: 1.35; border-radius: 1.1rem; display: flex; align-items: flex-end; padding: 1.25rem; color: var(--blanco); position: relative; overflow: hidden; font: 700 clamp(1.05rem, 1.8vw, 1.35rem)/1.1 var(--titulos); }
.marca-grupo { position: absolute; top: -18%; right: -14%; width: 68%; height: auto; }
.marca-linea { display: inline-block; width: 0.9em; height: 0.9em; vertical-align: -0.1em; margin-right: 0.12em; }
.grupo span { position: relative; }
.grupo.carbohidrato { background: var(--carbohidrato); color: var(--verde-oscuro); }
.grupo.proteina { background: var(--proteina); }
.grupo.grasa { background: var(--grasa); }
.grupo.libre { background: var(--libre); }

/* Book landing: what you will learn */
.parte + .parte { margin-top: 3rem; }
.parte-titulo { font-size: clamp(1.2rem, 2vw, 1.5rem); margin-bottom: 1.25rem; padding-bottom: 0.9rem; border-bottom: 1px solid rgba(30, 47, 34, 0.15); display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.35rem 0.9rem; }
.parte-titulo span { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blanco); background: var(--verde-medio); padding: 0.4rem 0.7rem; border-radius: 999px; }
.capitulos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr)); gap: 1.25rem; }
.capitulo { background: var(--blanco); border-radius: 1rem; padding: 1.6rem 1.6rem 1.75rem; position: relative; box-shadow: 0 14px 36px -28px rgba(20, 32, 25, 0.55); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.capitulo:hover { transform: translateY(-3px); box-shadow: 0 22px 44px -28px rgba(20, 32, 25, 0.6); }
.capitulo .num { display: block; font: 700 2.4rem/1 var(--titulos); color: var(--verde-claro); margin-bottom: 0.9rem; }
.capitulo .num::after { content: ""; display: block; width: 1.75rem; height: 3px; background: var(--oro); margin-top: 0.75rem; }
.capitulo h4 { font-size: 1.15rem; line-height: 1.25; margin-bottom: 0.65rem; }
.capitulo p { margin: 0; font-size: 0.98rem; color: var(--gris); line-height: 1.6; }

/* Book landing: quote band */
.banda-cita { background: linear-gradient(160deg, var(--verde-medio), var(--verde-oscuro)); color: var(--blanco); padding: clamp(3.5rem, 8vw, 6rem) 0; }
.banda-cita blockquote { margin: 0 auto; max-width: 52rem; text-align: center; }
.banda-cita blockquote::before { content: ""; display: block; width: 4rem; height: 3px; background: var(--oro); margin: 0 auto 2rem; }
.banda-cita p { margin: 0; font: 600 clamp(1.35rem, 2.8vw, 2.05rem)/1.4 var(--titulos); letter-spacing: -0.01em; }
.banda-cita footer { margin-top: 1.5rem; font: 600 0.78rem/1.2 var(--titulos); letter-spacing: 0.18em; text-transform: uppercase; color: var(--oro-claro); }

/* Book landing: author */
.autor-rejilla { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2.5rem 4rem; align-items: center; }
.autor-foto { margin: 0; position: relative; }
.autor-foto img { border-radius: 1.25rem; width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; object-position: 70% 30%; box-shadow: 0 30px 60px -30px rgba(20, 32, 25, 0.6); }
.autor-foto::after { content: ""; position: absolute; left: -1rem; bottom: -1rem; width: 40%; height: 40%; border-left: 3px solid var(--oro); border-bottom: 3px solid var(--oro); border-radius: 0 0 0 1.25rem; z-index: -1; }
.autor h2 { margin-bottom: 1.25rem; }
.autor p { margin: 0 0 1rem; max-width: 60ch; }
.credenciales-rejilla { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1.25rem; }
.credenciales { background: var(--crema); border-radius: 1rem; padding: 1.5rem 1.75rem; }
.credenciales h3 { font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--verde-medio); margin-bottom: 0.9rem; }
.credenciales ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.6rem; }
.credenciales li { padding-left: 1.2rem; position: relative; line-height: 1.5; }
.credenciales li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--oro); }

/* Book landing: editions */
.ediciones { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1.25rem; }
.edicion { background: var(--blanco); border-radius: 1rem; padding: 1.75rem; }
.edicion.color { border-top-color: var(--oro); }
.edicion.bn { border-top-color: var(--verde-oscuro); }
.edicion .formato { font: 600 0.72rem/1 var(--titulos); letter-spacing: 0.14em; text-transform: uppercase; color: var(--verde); }
.edicion h3 { font-size: 1.3rem; margin: 0.6rem 0 0.4rem; }
.edicion p { margin: 0; color: var(--gris); font-size: 0.95rem; }
.datos { margin: 2rem 0 0; display: flex; flex-wrap: wrap; gap: 1rem 3rem; }
.datos dt { font: 600 0.72rem/1.6 var(--titulos); letter-spacing: 0.12em; text-transform: uppercase; color: var(--verde); }
.datos dd { margin: 0; font-weight: 600; color: var(--verde-oscuro); }
.aviso { margin: 2rem 0 0; padding: 1rem 1.25rem; border-left: 3px solid var(--oro); background: rgba(255, 255, 255, 0.7); font-size: 0.95rem; max-width: 60rem; }
.indice { columns: 2 18rem; padding-left: 1.25rem; }

/* Free guide band */
.banda-guia { padding: clamp(3rem, 7vw, 5rem) 0; background: var(--blanco); }
.guia-tarjeta { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); border-radius: 1.5rem; overflow: hidden; color: #DCE6DF; background: radial-gradient(30rem 20rem at 100% 100%, rgba(91, 144, 105, 0.45), transparent 65%), linear-gradient(155deg, var(--verde-oscuro), var(--noche)); box-shadow: 0 34px 70px -36px rgba(20, 32, 25, 0.7); }
.guia-arte { margin: 0; }
.guia-arte img { width: 100%; height: 100%; object-fit: cover; min-height: 18rem; }
.guia-texto { padding: clamp(2rem, 5vw, 3.5rem); align-self: center; }
.guia-texto h2 { color: var(--blanco); font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
.guia-texto .entrada { color: #C3D2C8; }
.pasos { list-style: none; counter-reset: paso; margin: 1.75rem 0 2rem; padding: 0; display: grid; gap: 0.75rem; }
.pasos li { counter-increment: paso; display: flex; align-items: center; gap: 0.85rem; font: 600 1rem/1.3 var(--titulos); color: var(--blanco); }
.pasos li::before { content: counter(paso); flex: none; width: 2.1rem; height: 2.1rem; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(213, 196, 63, 0.6); color: var(--oro-claro); }

/* Conferences */
.conferencias { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1.75rem 1.5rem; }
.conferencia a { display: block; text-decoration: none; color: var(--verde-oscuro); }
.miniatura { display: block; overflow: hidden; border-radius: 0.9rem; box-shadow: 0 18px 40px -26px rgba(20, 32, 25, 0.6); }
.miniatura img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.4s ease; }
.conferencia a:hover img { transform: scale(1.04); }
.conferencia-meta { display: flex; align-items: center; gap: 0.75rem; margin: 1rem 0 0.45rem; font: 600 0.72rem/1 var(--titulos); letter-spacing: 0.1em; text-transform: uppercase; color: var(--verde); }
.conferencia-meta .numero { background: var(--verde-oscuro); color: var(--oro-claro); padding: 0.35rem 0.55rem; border-radius: 0.35rem; }
.conferencia h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.35; }
.conferencia a:hover h3 { color: var(--verde-medio); }

/* Footer */
.pie { background: var(--noche); padding: 3rem 0; font-size: 0.92rem; color: #A9BCB0; }
.pie .contenedor { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem 3rem; align-items: center; }
.pie .marca strong { color: var(--blanco); }
.pie .marca small { color: var(--verde-claro); }
.pie ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.pie a { color: #DCE6DF; }

@media (max-width: 56rem) {
  .hero-rejilla, .estante, .pregunta, .lenguaje, .autor-rejilla, .guia-tarjeta, .tarjeta-libro.con-portada { grid-template-columns: minmax(0, 1fr); }
  .hero-texto { padding-bottom: 0; }
  .hero-figura .retrato { width: min(80%, 20rem); }
  .tarjeta-libro .tapa { padding: 2rem 2rem 0; max-width: 14rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }