/* ============================================================
   PEDRO J. PÉREZ — Identidad visual
   Paleta: piedra húmeda, niebla, oro rúnico, esfera violeta
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --abismo:      #080a12;
  --piedra:      #141824;
  --piedra-alta: #1e2434;
  --niebla:      #8b94a8;
  --niebla-alta: #c8cedb;
  --hueso:       #e8e6e0;
  --runa:        #d4b464;
  --runa-tenue:  rgba(212, 180, 100, 0.28);
  --esfera:      #9b7ec4;

  --display: 'Cormorant Garamond', Georgia, serif;
  --cuerpo:  'Inter', -apple-system, system-ui, sans-serif;
  --codigo:  'JetBrains Mono', monospace;

  --ancho: 1180px;
  --borde: rgba(139, 148, 168, 0.16);
  --transicion: 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--abismo);
  color: var(--niebla-alta);
  font-family: var(--cuerpo);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

::selection { background: var(--runa-tenue); color: var(--hueso); }

:focus-visible {
  outline: 2px solid var(--runa);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- Niebla ambiental de fondo --- */
.niebla-fondo {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(155,126,196,0.10), transparent 60%),
    radial-gradient(ellipse 60% 40% at 15% 85%, rgba(139,148,168,0.07), transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 75%, rgba(212,180,100,0.05), transparent 60%);
}

.grano {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

.envoltorio { position: relative; z-index: 2; }

/* ============================================================
   CABECERA
   ============================================================ */
.cabecera {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 32px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  background: linear-gradient(to bottom, rgba(8,10,18,0.94), rgba(8,10,18,0));
  backdrop-filter: blur(2px);
  transition: background var(--transicion), padding var(--transicion);
}
.cabecera.fijada {
  background: rgba(8,10,18,0.96);
  border-bottom: 1px solid var(--borde);
  padding: 14px 32px;
  backdrop-filter: blur(14px);
}

.marca {
  font-family: var(--display);
  font-size: 21px; font-weight: 400; letter-spacing: 0.14em;
  color: var(--hueso); text-decoration: none; text-transform: uppercase;
  white-space: nowrap;
}
.marca span { color: var(--runa); }

.nav { display: flex; gap: 30px; align-items: center; }
.nav a {
  font-size: 11.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--niebla); text-decoration: none; font-weight: 400;
  position: relative; padding: 6px 0; transition: color 0.35s;
  white-space: nowrap;
}
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--runa); transition: width 0.4s cubic-bezier(0.2,0.8,0.2,1);
}
.nav a:hover, .nav a.activo { color: var(--hueso); }
.nav a:hover::after, .nav a.activo::after { width: 100%; }

/* --- Selector de idioma --- */
.idioma { position: relative; }
.idioma-boton {
  background: transparent; border: 1px solid var(--borde);
  color: var(--niebla); font-family: var(--codigo); font-size: 11px;
  letter-spacing: 0.14em; padding: 7px 13px; cursor: pointer;
  display: flex; align-items: center; gap: 7px; transition: all 0.35s;
}
.idioma-boton:hover { border-color: var(--runa-tenue); color: var(--hueso); }
.idioma-boton svg { width: 9px; height: 9px; transition: transform 0.35s; }
.idioma.abierto .idioma-boton svg { transform: rotate(180deg); }

.idioma-lista {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 170px;
  background: var(--piedra); border: 1px solid var(--borde);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all 0.3s; padding: 6px 0; z-index: 120;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}
.idioma.abierto .idioma-lista { opacity: 1; visibility: visible; transform: translateY(0); }
.idioma-opcion {
  display: flex; align-items: center; gap: 12px; width: 100%;
  background: transparent; border: 0; color: var(--niebla);
  padding: 10px 16px; font-family: var(--cuerpo); font-size: 13.5px;
  cursor: pointer; text-align: left; transition: all 0.25s;
}
.idioma-opcion:hover { background: var(--piedra-alta); color: var(--hueso); }
.idioma-opcion[aria-selected="true"] { color: var(--runa); }
.idioma-opcion code {
  font-family: var(--codigo); font-size: 10px; color: var(--niebla);
  letter-spacing: 0.1em; opacity: 0.6; min-width: 20px;
}

/* --- Menú móvil --- */
.menu-boton {
  display: none; background: transparent; border: 0; cursor: pointer;
  padding: 8px; flex-direction: column; gap: 5px;
}
.menu-boton span {
  display: block; width: 22px; height: 1px; background: var(--niebla-alta);
  transition: all 0.35s;
}
.menu-boton.activo span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-boton.activo span:nth-child(2) { opacity: 0; }
.menu-boton.activo span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100svh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 130px 24px 70px; position: relative; overflow: hidden;
}

.hero-retrato {
  width: 210px; height: 210px; border-radius: 50%; object-fit: cover;
  object-position: center 22%;
  border: 1px solid var(--runa-tenue);
  box-shadow: 0 0 70px rgba(155,126,196,0.18), 0 0 130px rgba(8,10,18,0.9);
  margin-bottom: 38px;
  animation: aparecer 1.4s cubic-bezier(0.2,0.8,0.2,1) both;
}

.hero-eyebrow {
  font-family: var(--codigo); font-size: 10.5px; letter-spacing: 0.36em;
  text-transform: uppercase; color: var(--runa); margin: 0 0 22px;
  animation: aparecer 1.4s 0.15s cubic-bezier(0.2,0.8,0.2,1) both;
}

.hero-nombre {
  font-family: var(--display); font-weight: 300;
  font-size: clamp(3rem, 11vw, 6.6rem); line-height: 0.94;
  letter-spacing: 0.015em; color: var(--hueso); margin: 0 0 26px;
  animation: aparecer 1.6s 0.3s cubic-bezier(0.2,0.8,0.2,1) both;
}

.hero-lema {
  font-family: var(--display); font-style: italic; font-weight: 300;
  font-size: clamp(1.05rem, 2.4vw, 1.5rem); line-height: 1.6;
  color: var(--niebla-alta); max-width: 30ch; margin: 0 auto 46px;
  animation: aparecer 1.6s 0.45s cubic-bezier(0.2,0.8,0.2,1) both;
}

@keyframes aparecer {
  from { opacity: 0; transform: translateY(26px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

/* --- Botón principal --- */
.cta {
  display: inline-flex; align-items: center; gap: 13px;
  background: transparent; border: 1px solid var(--runa);
  color: var(--runa); text-decoration: none;
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 17px 38px; position: relative; overflow: hidden;
  transition: color 0.45s; cursor: pointer;
  animation: aparecer 1.6s 0.6s cubic-bezier(0.2,0.8,0.2,1) both;
}
.cta::before {
  content: ''; position: absolute; inset: 0; background: var(--runa);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.55s cubic-bezier(0.2,0.8,0.2,1); z-index: -1;
}
.cta:hover { color: var(--abismo); }
.cta:hover::before { transform: scaleX(1); }
.cta span { position: relative; z-index: 1; }
.cta svg { width: 14px; height: 14px; position: relative; z-index: 1; }

.cta-solido { border-color: var(--runa); background: var(--runa); color: var(--abismo); }
.cta-solido::before { background: var(--hueso); }
.cta-solido:hover { color: var(--abismo); }

.hero-scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  font-family: var(--codigo); font-size: 9.5px; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--niebla); text-decoration: none;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  animation: aparecer 1.6s 0.9s cubic-bezier(0.2,0.8,0.2,1) both;
}
.hero-scroll::after {
  content: ''; width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--runa), transparent);
  animation: descender 2.4s ease-in-out infinite;
}
@keyframes descender {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50%      { opacity: 1;   transform: scaleY(1);   transform-origin: top; }
}

/* ============================================================
   ESTRUCTURA DE SECCIONES
   ============================================================ */
.contenedor { max-width: var(--ancho); margin: 0 auto; padding: 0 32px; }

.seccion { padding: 110px 0; position: relative; }
.seccion + .seccion { border-top: 1px solid var(--borde); }

.seccion-cabeza { margin-bottom: 62px; }
.eyebrow {
  font-family: var(--codigo); font-size: 10px; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--runa); margin: 0 0 16px;
  display: flex; align-items: center; gap: 14px;
}
.eyebrow::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--runa-tenue), transparent);
}
.titulo-seccion {
  font-family: var(--display); font-weight: 300;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem); line-height: 1.08;
  color: var(--hueso); margin: 0 0 18px; letter-spacing: 0.01em;
}
.subtitulo-seccion {
  font-size: 15.5px; color: var(--niebla); max-width: 56ch; margin: 0;
  line-height: 1.8;
}

/* --- Página interna: cabecera --- */
.pagina-cabeza { padding: 175px 0 70px; }

/* ============================================================
   UMBRAL (bloque de introducción)
   ============================================================ */
.umbral { display: grid; grid-template-columns: 1fr 1.35fr; gap: 70px; align-items: center; }
.umbral-figura { position: relative; }
.umbral-figura img {
  width: 100%; filter: grayscale(0.25) contrast(1.05);
  border: 1px solid var(--borde);
}
.umbral-figura::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,10,18,0.75), transparent 55%);
  pointer-events: none;
}
.umbral-texto p {
  font-family: var(--display); font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.72; color: var(--niebla-alta); font-weight: 300; margin: 0 0 26px;
}
.umbral-firma {
  font-family: var(--codigo); font-size: 11px; letter-spacing: 0.26em;
  color: var(--runa); text-transform: uppercase;
}

/* ============================================================
   REJILLA DE PORTALES (índice de páginas internas)
   ============================================================ */
.portales { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 1px; background: var(--borde); }
.portal {
  background: var(--abismo); padding: 44px 32px 40px;
  text-decoration: none; display: block; position: relative;
  transition: background 0.5s; overflow: hidden;
}
.portal::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--runa); transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.2,0.8,0.2,1);
}
.portal:hover { background: var(--piedra); }
.portal:hover::before { transform: scaleX(1); }
.portal-num {
  font-family: var(--codigo); font-size: 10px; letter-spacing: 0.2em;
  color: var(--runa); opacity: 0.65; display: block; margin-bottom: 26px;
}
.portal-titulo {
  font-family: var(--display); font-size: 1.6rem; font-weight: 400;
  color: var(--hueso); margin: 0 0 10px; letter-spacing: 0.01em;
}
.portal-desc { font-size: 13.5px; color: var(--niebla); margin: 0; line-height: 1.7; }
.portal-flecha {
  margin-top: 24px; display: inline-block; color: var(--runa);
  transition: transform 0.45s cubic-bezier(0.2,0.8,0.2,1);
}
.portal:hover .portal-flecha { transform: translateX(9px); }

/* ============================================================
   LIBROS
   ============================================================ */
.rejilla-libros {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 46px 34px;
}
.libro { position: relative; }
.libro-enlace { text-decoration: none; display: block; }
.libro-portada {
  position: relative; aspect-ratio: 2/3; overflow: hidden;
  background: var(--piedra); border: 1px solid var(--borde);
  transition: border-color 0.5s, transform 0.6s cubic-bezier(0.2,0.8,0.2,1);
}
.libro-portada img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(0.2,0.8,0.2,1); }
.libro-enlace:hover .libro-portada { border-color: var(--runa-tenue); transform: translateY(-6px); }
.libro-enlace:hover .libro-portada img { transform: scale(1.05); }

/* Sello generado cuando no hay portada */
.libro-sello {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 20px; padding: 26px;
  background: linear-gradient(155deg, var(--piedra-alta), var(--abismo));
}
.libro-sello-glifo {
  width: 62px; height: 62px; opacity: 0.5;
  transition: opacity 0.6s, transform 0.9s cubic-bezier(0.2,0.8,0.2,1);
}
.libro-enlace:hover .libro-sello-glifo { opacity: 0.95; transform: rotate(180deg); }
.libro-sello-texto {
  font-family: var(--display); font-size: 1.05rem; color: var(--niebla-alta);
  text-align: center; line-height: 1.35; font-weight: 400;
}

.libro-velo {
  position: absolute; inset: 0; background: rgba(8,10,18,0.93);
  display: flex; align-items: center; padding: 26px;
  opacity: 0; transition: opacity 0.5s;
}
.libro-enlace:hover .libro-velo { opacity: 1; }
.libro-velo p { font-size: 13.5px; line-height: 1.75; color: var(--niebla-alta); margin: 0; }

.libro-info { padding-top: 18px; }
.libro-titulo {
  font-family: var(--display); font-size: 1.28rem; font-weight: 400;
  color: var(--hueso); margin: 0 0 6px; line-height: 1.3;
  transition: color 0.4s;
}
.libro-enlace:hover .libro-titulo { color: var(--runa); }
.libro-meta {
  font-family: var(--codigo); font-size: 10.5px; letter-spacing: 0.16em;
  color: var(--niebla); text-transform: uppercase;
}

/* ============================================================
   VÍDEOS
   ============================================================ */
.rejilla-videos {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 34px;
}
.video { text-decoration: none; display: block; }
.video-marco {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: var(--piedra); border: 1px solid var(--borde);
  transition: border-color 0.5s;
}
.video-marco img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(0.2,0.8,0.2,1); }
.video:hover .video-marco { border-color: var(--runa-tenue); }
.video:hover .video-marco img { transform: scale(1.06); }
.video-play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(8,10,18,0.35); transition: background 0.5s;
}
.video:hover .video-play { background: rgba(8,10,18,0.55); }
.video-play svg { width: 52px; height: 52px; color: var(--hueso); opacity: 0.85; transition: transform 0.5s, opacity 0.5s; }
.video:hover .video-play svg { transform: scale(1.12); opacity: 1; }
.video-titulo {
  font-family: var(--display); font-size: 1.15rem; font-weight: 400; color: var(--hueso);
  margin: 16px 0 6px; line-height: 1.4; transition: color 0.4s;
}
.video:hover .video-titulo { color: var(--runa); }
.video-fecha { font-family: var(--codigo); font-size: 10.5px; letter-spacing: 0.14em; color: var(--niebla); }

/* ============================================================
   BITÁCORA
   ============================================================ */
.entradas { display: flex; flex-direction: column; }
.entrada {
  display: grid; grid-template-columns: 150px 1fr auto; gap: 34px; align-items: baseline;
  padding: 34px 0; border-bottom: 1px solid var(--borde);
  text-decoration: none; transition: padding-left 0.5s cubic-bezier(0.2,0.8,0.2,1);
}
.entrada:first-child { border-top: 1px solid var(--borde); }
.entrada:hover { padding-left: 16px; }
.entrada-fecha {
  font-family: var(--codigo); font-size: 10.5px; letter-spacing: 0.16em;
  color: var(--runa); text-transform: uppercase; white-space: nowrap;
}
.entrada-cuerpo { min-width: 0; }
.entrada-titulo {
  font-family: var(--display); font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 400; color: var(--hueso); margin: 0 0 10px; line-height: 1.3;
  transition: color 0.4s;
}
.entrada:hover .entrada-titulo { color: var(--runa); }
.entrada-extracto { font-size: 14px; color: var(--niebla); margin: 0; line-height: 1.75; }
.entrada-flecha { color: var(--runa); transition: transform 0.45s cubic-bezier(0.2,0.8,0.2,1); }
.entrada:hover .entrada-flecha { transform: translateX(9px); }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto-rejilla { display: grid; grid-template-columns: 1fr 1.25fr; gap: 76px; align-items: start; }

.formulario { display: flex; flex-direction: column; gap: 26px; }
.campo { display: flex; flex-direction: column; gap: 9px; }
.campo label {
  font-family: var(--codigo); font-size: 10px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--niebla);
}
.campo input, .campo textarea {
  background: transparent; border: 0; border-bottom: 1px solid var(--borde);
  color: var(--hueso); font-family: var(--cuerpo); font-size: 15px; font-weight: 300;
  padding: 12px 0; transition: border-color 0.4s; resize: vertical;
}
.campo input::placeholder, .campo textarea::placeholder { color: rgba(139,148,168,0.42); }
.campo input:focus, .campo textarea:focus { outline: 0; border-bottom-color: var(--runa); }
.campo textarea { min-height: 145px; line-height: 1.7; }
.formulario .cta { align-self: flex-start; animation: none; margin-top: 6px; }
.formulario .cta[disabled] { opacity: 0.5; pointer-events: none; }

.aviso {
  padding: 15px 20px; font-size: 13.5px; border-left: 2px solid var(--runa);
  background: var(--piedra); display: none; line-height: 1.7;
}
.aviso.visible { display: block; }
.aviso.error { border-left-color: #c4645e; }

.contacto-lado p { font-size: 14.5px; color: var(--niebla); line-height: 1.8; }
.contacto-email {
  font-family: var(--codigo); font-size: 14px; color: var(--runa);
  text-decoration: none; border-bottom: 1px solid var(--runa-tenue);
  padding-bottom: 2px; transition: border-color 0.4s; word-break: break-all;
}
.contacto-email:hover { border-bottom-color: var(--runa); }

/* ============================================================
   REDES
   ============================================================ */
.redes { display: flex; flex-wrap: wrap; gap: 1px; background: var(--borde); margin-top: 44px; }
.red {
  flex: 1 1 155px; background: var(--abismo); padding: 22px 20px;
  text-decoration: none; display: flex; align-items: center; gap: 13px;
  transition: background 0.45s, color 0.45s; color: var(--niebla);
}
.red:hover { background: var(--piedra); color: var(--hueso); }
.red svg { width: 18px; height: 18px; flex-shrink: 0; }
.red span { font-size: 12.5px; letter-spacing: 0.06em; }

/* ============================================================
   PIE
   ============================================================ */
.pie { border-top: 1px solid var(--borde); padding: 54px 0 44px; }
.pie-fila {
  display: flex; justify-content: space-between; align-items: center;
  gap: 26px; flex-wrap: wrap;
}
.pie-marca { font-family: var(--display); font-size: 17px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--niebla-alta); }
.pie-marca span { color: var(--runa); }
.pie-legal { font-family: var(--codigo); font-size: 10.5px; letter-spacing: 0.13em; color: var(--niebla); }

/* ============================================================
   ESTADOS (cargando / vacío / error)
   ============================================================ */
.estado {
  padding: 74px 0; text-align: center;
  font-family: var(--codigo); font-size: 11.5px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--niebla);
}
.estado::after {
  content: ''; display: block; width: 34px; height: 1px; background: var(--runa);
  margin: 22px auto 0; animation: pulso 1.8s ease-in-out infinite;
}
@keyframes pulso { 0%,100% { opacity: 0.2; width: 20px; } 50% { opacity: 1; width: 52px; } }
.estado.sin-pulso::after { display: none; }

/* --- Revelado al hacer scroll --- */
.revelar { opacity: 0; transform: translateY(26px); transition: opacity 0.9s cubic-bezier(0.2,0.8,0.2,1), transform 0.9s cubic-bezier(0.2,0.8,0.2,1); }
.revelar.visible { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .umbral, .contacto-rejilla { grid-template-columns: 1fr; gap: 44px; }
  .umbral-figura { max-width: 380px; }
}

@media (max-width: 820px) {
  .cabecera { padding: 16px 22px; }
  .cabecera.fijada { padding: 13px 22px; }
  .menu-boton { display: flex; }
  .nav {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 84vw);
    background: var(--piedra); flex-direction: column; align-items: flex-start;
    justify-content: center; gap: 30px; padding: 40px;
    transform: translateX(100%); transition: transform 0.55s cubic-bezier(0.2,0.8,0.2,1);
    border-left: 1px solid var(--borde); z-index: 110;
  }
  .nav.abierto { transform: none; }
  .nav a { font-size: 14px; letter-spacing: 0.16em; }
  .contenedor { padding: 0 22px; }
  .seccion { padding: 78px 0; }
  .pagina-cabeza { padding: 140px 0 52px; }
  .hero-retrato { width: 165px; height: 165px; }
  .entrada { grid-template-columns: 1fr; gap: 12px; }
  .entrada-flecha { display: none; }
  .rejilla-libros { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 32px 20px; }
  .rejilla-videos { grid-template-columns: 1fr; }
  .libro-velo { display: none; }
}

@media (max-width: 420px) {
  .marca { font-size: 17px; letter-spacing: 0.1em; }
  .idioma-boton { padding: 6px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .revelar { opacity: 1; transform: none; }
}

/* ============================================================
   LIBRO DESTACADO — El libro que te lee
   ============================================================ */
.destacado {
  position: relative; overflow: hidden;
  border-top: 1px solid var(--runa-tenue);
  border-bottom: 1px solid var(--runa-tenue);
  background:
    radial-gradient(ellipse 70% 90% at 50% 50%, rgba(155,126,196,0.10), transparent 70%),
    linear-gradient(180deg, rgba(20,24,36,0.55), rgba(8,10,18,0.85));
}
.destacado::before,
.destacado::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--runa), transparent);
  opacity: 0.5;
}
.destacado::before { top: -1px; }
.destacado::after  { bottom: -1px; }

.destacado-rejilla {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: 64px; align-items: center;
}

/* Ojo tipográfico: la firma del libro */
.ojo { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.ojo svg { width: 100%; height: auto; max-width: 320px; overflow: visible; }
.ojo-anillo  { transform-origin: 50% 50%; animation: girar 44s linear infinite; }
.ojo-anillo2 { transform-origin: 50% 50%; animation: girar 30s linear infinite reverse; }
@keyframes girar { to { transform: rotate(360deg); } }
.ojo-pupila { animation: latir 5.5s ease-in-out infinite; transform-origin: 50% 50%; }
@keyframes latir {
  0%, 100% { r: 13; opacity: 0.95; }
  50%      { r: 17; opacity: 0.65; }
}

.destacado-texto .titulo-seccion { margin-bottom: 20px; }
.destacado-texto > p {
  font-family: var(--display); font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.7; color: var(--niebla-alta); font-weight: 300;
  max-width: 46ch; margin: 0 0 34px;
}
.destacado-botones { display: flex; flex-wrap: wrap; gap: 14px; }
.destacado-botones .cta { animation: none; }

/* --- Instrucciones de instalación --- */
.instalar { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px; background: var(--borde); }
.instalar-paso { background: var(--abismo); padding: 30px 26px; }
.instalar-paso h3 {
  font-family: var(--codigo); font-size: 10.5px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--runa); margin: 0 0 14px; font-weight: 500;
}
.instalar-paso p { font-size: 14px; color: var(--niebla); margin: 0; line-height: 1.75; }

@media (max-width: 940px) {
  .destacado-rejilla { grid-template-columns: 1fr; gap: 40px; }
  .ojo { max-width: 230px; margin: 0 auto; }
}