/* ============================================================
   HUÉRFANOS — Hoja de estilos principal
   Autor: Santiago Alen Magnago
   Versión: 1.0

   ÍNDICE:
   1. Variables CSS (paleta, tipografía, espacios)
   2. Reset y base
   3. Tipografía global
   4. Utilidades (container, botones, labels)
   5. Header
   6. Hero
   7. Sección El Libro
   8. Sección Introducción
   9. Sección Adelanto / Capítulo
   10. Sección Video
   11. Sección Autor
   12. Sección Saga
   13. CTA Final
   14. Banner Fullwidth
   15. Footer
   16. Animaciones y reveal
   17. Responsive
   18. Accesibilidad y reduced-motion
============================================================ */


/* ============================================================
   1. VARIABLES CSS
============================================================ */
:root {
  /* Paleta principal — inspirada en islas, océano, selva */
  --color-ocean-deep:   #08131f;   /* Azul noche profundo */
  --color-ocean-mid:    #17334f;   /* Azul profundo */
  --color-teal:         #245f72;   /* Turquesa oscuro */
  --color-teal-light:   #5cbeb7;   /* Turquesa acento */
  --color-jungle:       #25431d;   /* Verde selva */
  --color-sand:         #b99657;   /* Arena dorada */
  --color-sand-light:   #dcc8a4;   /* Arena clara */
  --color-cream:        #f7f2ea;   /* Blanco cálido */
  --color-white:        #FEFEFE;   /* Blanco suave */
  --color-gold:         #c8a45b;   /* Dorado tenue para acentos */
  --color-text-primary: #182433;   /* Texto principal oscuro */
  --color-text-mid:     #425265;   /* Texto secundario */
  --color-text-light:   #718096;   /* Texto terciario / labels */

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Escala tipográfica */
  --text-xs:    0.75rem;    /* 12px */
  --text-sm:    0.875rem;   /* 14px */
  --text-base:  1rem;       /* 16px */
  --text-md:    1.125rem;   /* 18px */
  --text-lg:    1.25rem;    /* 20px */
  --text-xl:    1.5rem;     /* 24px */
  --text-2xl:   2rem;       /* 32px */
  --text-3xl:   2.75rem;    /* 44px */
  --text-4xl:   3.75rem;    /* 60px */
  --text-5xl:   5rem;       /* 80px */
  --text-hero:  clamp(4rem, 12vw, 9rem);

  /* Espacios */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2.5rem;
  --space-xl:   4rem;
  --space-2xl:  6rem;
  --space-3xl:  9rem;

  /* Layout */
  --container-max:    1200px;
  --container-narrow: 760px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --hero-ratio: 2560 / 1707;

  /* Transiciones */
  --transition-fast: 200ms ease;
  --transition-mid:  400ms ease;
  --transition-slow: 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Header */
  --header-h: 64px;
}


/* ============================================================
   2. RESET Y BASE
============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, iframe {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}


/* ============================================================
   3. TIPOGRAFÍA GLOBAL
============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}


/* ============================================================
   4. UTILIDADES
============================================================ */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Section base */
section {
  position: relative;
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + var(--space-lg));
}

/* Section label — eyebrow tipo editorial */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-ocean-deep);
  margin-bottom: var(--space-md);
  line-height: 1.1;
}

.section-text {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  padding: 0.85em 2.2em;
  transition: transform var(--transition-mid), background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after { background: rgba(255,255,255,0.1); }

/* Botón primario — dorado/arena */
.btn-primary {
  background-color: var(--color-gold);
  color: var(--color-ocean-deep);
}

.btn-primary:hover {
  background-color: var(--color-sand);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(196, 163, 90, 0.35);
}

/* Botón ghost — borde claro sobre hero oscuro */
.btn-ghost {
  background: transparent;
  color: var(--color-cream);
  border: 1px solid rgba(245, 240, 232, 0.5);
}

.btn-ghost:hover {
  border-color: var(--color-cream);
  background: rgba(245, 240, 232, 0.1);
}

/* Botón header */
.btn-nav {
  background-color: var(--color-gold);
  color: var(--color-ocean-deep);
  padding: 0.65em 1.6em;
  font-size: var(--text-xs);
}

.btn-nav:hover {
  background-color: var(--color-sand);
}

/* Botón saga */
.btn-saga {
  background-color: transparent;
  color: var(--color-ocean-deep);
  border: 1px solid var(--color-ocean-mid);
  font-size: var(--text-xs);
  padding: 0.65em 1.5em;
}

.btn-saga:hover {
  background-color: var(--color-ocean-deep);
  color: var(--color-cream);
  border-color: var(--color-ocean-deep);
}

.btn-saga--dim {
  opacity: 0.4;
  pointer-events: none;
}

/* Botón CTA final grande */
.btn-cta {
  background-color: var(--color-gold);
  color: var(--color-ocean-deep);
  font-size: var(--text-md);
  padding: 1em 3em;
  border-radius: var(--radius-sm);
}

.btn-cta:hover {
  background-color: var(--color-cream);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(196, 163, 90, 0.4);
}

/* Placeholder — contenido por reemplazar */
.placeholder-text {
  background: rgba(26, 58, 92, 0.04);
  border-left: 3px solid var(--color-teal-light);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.placeholder-text p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-mid);
  font-size: var(--text-md);
}

.placeholder-text p:last-child { margin-bottom: 0; }

.placeholder-text em { color: var(--color-teal); font-style: italic; }

.placeholder-text code {
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  background: rgba(78, 205, 196, 0.1);
  padding: 0.1em 0.4em;
  border-radius: 2px;
  color: var(--color-teal);
}


/* ============================================================
   5. HEADER
============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition-mid), backdrop-filter var(--transition-mid), border-color var(--transition-mid);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(10, 22, 40, 0.82);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  gap: var(--space-lg);
}

/* Logo header */
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-cream);
  transition: color var(--transition-fast);
}

.header-logo:hover .logo-text { color: var(--color-gold); }

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(245, 240, 232, 0.75);
  transition: color var(--transition-fast);
  letter-spacing: 0.03em;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-mid);
}

.nav-link:hover { color: var(--color-cream); }
.nav-link:hover::after { width: 100%; }

.nav-link.active {
  color: var(--color-cream);
}

.nav-link.active::after {
  width: 100%;
}

/* Hamburger — mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  z-index: 10;
}

.hamburger {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-cream);
  transition: transform var(--transition-mid), opacity var(--transition-fast);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(8, 19, 31, 0.48);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-mid);
}

.nav-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}


/* ============================================================
   6. HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-ocean-deep);
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-media picture,
.hero-image {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-image {
  aspect-ratio: var(--hero-ratio);
  object-fit: cover;
  object-position: center;
}

/* Overlay muy sutil — no matar la foto */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 19, 31, 0.18) 0%, rgba(8, 19, 31, 0.32) 58%, rgba(8, 19, 31, 0.52) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  padding-block: var(--space-xl) var(--space-3xl);
}

.hero-text {
  max-width: 580px;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  color: var(--color-cream);
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: var(--space-sm);
  text-shadow: 0 2px 40px rgba(10, 22, 40, 0.4);
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 400;
  font-style: italic;
  color: rgba(245, 240, 232, 0.7);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: rgba(245, 240, 232, 0.85);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Indicador de scroll */
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  z-index: 2;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.hero-scroll-hint:hover { opacity: 1; }

.scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: var(--color-cream);
  animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-label {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cream);
  font-weight: 400;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(0.6); opacity: 1; }
}


/* ============================================================
   7. SECCIÓN EL LIBRO
============================================================ */
.section-book {
  padding-block: var(--space-3xl);
  background: var(--color-cream);
}

.book-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* Portada */
.book-cover-placeholder {
  aspect-ratio: 2/3;
  background: linear-gradient(160deg, var(--color-ocean-mid), var(--color-teal));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245, 240, 232, 0.4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-align: center;
  box-shadow: 0 20px 60px rgba(10, 22, 40, 0.2), 0 6px 20px rgba(10, 22, 40, 0.15);
}

/* Imagen real de portada — descomenta y usa cuando tengas la imagen */
.book-cover-wrap img {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(10, 22, 40, 0.2), 0 6px 20px rgba(10, 22, 40, 0.15);
}

.book-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--color-ocean-deep);
  margin-bottom: var(--space-xl);
  line-height: 1.1;
}

.book-synopsis p {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  line-height: 1.85;
  margin-bottom: var(--space-md);
}

.synopsis-question {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-teal);
  margin-top: var(--space-lg);
  line-height: 1.5;
}

.book-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-block: var(--space-xl);
  padding-block: var(--space-xl);
  border-top: 1px solid rgba(10, 22, 40, 0.1);
  border-bottom: 1px solid rgba(10, 22, 40, 0.1);
}

.meta-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
}

.meta-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
  min-width: 60px;
}

.meta-value {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}


/* ============================================================
   8. SECCIÓN INTRODUCCIÓN
============================================================ */
.section-intro {
  padding-block: var(--space-3xl);
  background: var(--color-white);
}

.section-intro .container {
  max-width: var(--container-narrow);
}

.intro-body {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  line-height: 1.9;
}

.intro-body p {
  margin-bottom: var(--space-md);
}


/* ============================================================
   9. SECCIÓN ADELANTO / CAPÍTULO
============================================================ */
.section-chapter {
  padding-block: var(--space-3xl);
  background: var(--color-cream);
}

.section-chapter .container {
  max-width: var(--container-narrow);
}

.chapter-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
}

.chapter-body {
  font-size: var(--text-md);
  color: var(--color-text-primary);
  line-height: 1.9;
}

.chapter-body p {
  margin-bottom: var(--space-md);
  text-indent: 1.5em;
}

.chapter-body p:first-child { text-indent: 0; }

.chapter-body h3 {
  font-size: var(--text-xl);
  color: var(--color-ocean-deep);
  margin-block: var(--space-xl) var(--space-md);
  text-indent: 0;
}

/* CTA al finalizar el capítulo */
.chapter-cta {
  margin-top: var(--space-3xl);
  padding: 1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-teal), var(--color-ocean-mid));
}

.chapter-cta-inner {
  background: var(--color-ocean-deep);
  border-radius: calc(var(--radius-lg) - 1px);
  padding: var(--space-2xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.chapter-cta-question {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-cream);
  line-height: 1.3;
}

.chapter-cta-text {
  font-size: var(--text-md);
  color: rgba(245, 240, 232, 0.6);
  margin-bottom: var(--space-sm);
}


/* ============================================================
   10. SECCIÓN VIDEO
============================================================ */
.section-video {
  padding-block: var(--space-3xl);
  background: var(--color-ocean-deep);
}

.section-video .section-label { color: var(--color-teal-light); }
.section-video .section-heading { color: var(--color-cream); }
.section-video .section-text { color: rgba(245, 240, 232, 0.6); }

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.video-wrapper iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
}

/* Placeholder mientras no hay video */
.video-placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(160deg, var(--color-ocean-mid) 0%, var(--color-teal) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(245, 240, 232, 0.5);
}

.play-icon {
  width: 72px;
  height: 72px;
  color: rgba(245, 240, 232, 0.4);
}

.video-placeholder-inner p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: rgba(245, 240, 232, 0.6);
  font-style: italic;
}

.video-placeholder-inner span {
  font-size: var(--text-sm);
  color: rgba(245, 240, 232, 0.35);
  letter-spacing: 0.05em;
}


/* ============================================================
   11. SECCIÓN AUTOR
============================================================ */
.section-author {
  padding-block: var(--space-3xl);
  background: var(--color-cream);
}

.author-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* Foto del autor */
.author-photo-placeholder {
  aspect-ratio: 3/4;
  background: linear-gradient(160deg, var(--color-ocean-mid) 0%, var(--color-jungle) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245, 240, 232, 0.35);
  font-size: var(--text-sm);
  text-align: center;
  letter-spacing: 0.05em;
}

.author-portrait img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.author-name {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-4xl));
  color: var(--color-ocean-deep);
  margin-bottom: var(--space-xl);
  line-height: 1.05;
}

.author-bio {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  line-height: 1.85;
  margin-bottom: var(--space-xl);
}

.author-bio p { margin-bottom: var(--space-sm); }

.author-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.author-social {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-mid);
  letter-spacing: 0.03em;
  transition: color var(--transition-fast);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.author-social svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.author-social:hover {
  color: var(--color-teal);
  border-bottom-color: var(--color-teal);
}


/* ============================================================
   12. SECCIÓN SAGA
============================================================ */
.section-saga {
  padding-block: var(--space-3xl);
  background: var(--color-white);
}

.saga-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.saga-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-cream);
  border: 1px solid rgba(10, 22, 40, 0.08);
  transition: transform var(--transition-mid), box-shadow var(--transition-mid);
}

.saga-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(10, 22, 40, 0.12);
}

.saga-cover {
  position: relative;
}

.saga-cover-placeholder {
  aspect-ratio: 2/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.saga-card--active .saga-cover-placeholder {
  background: linear-gradient(160deg, var(--color-ocean-mid) 0%, var(--color-teal) 100%);
}

.saga-card--upcoming .saga-cover-placeholder {
  background: linear-gradient(160deg, rgba(10, 22, 40, 0.15) 0%, rgba(42, 107, 124, 0.2) 100%);
}

.saga-cover-placeholder span {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(245, 240, 232, 0.25);
}

.saga-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35em 0.9em;
  border-radius: 100px;
  background: var(--color-gold);
  color: var(--color-ocean-deep);
}

.saga-badge--soon {
  background: rgba(10, 22, 40, 0.15);
  color: var(--color-text-mid);
  border: 1px solid rgba(10, 22, 40, 0.1);
  backdrop-filter: blur(8px);
}

.saga-info {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.saga-number {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.saga-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-ocean-deep);
  margin-bottom: var(--space-xs);
}

.saga-status {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}


/* ============================================================
   13. CTA FINAL
============================================================ */
.section-cta-final {
  padding-block: var(--space-3xl);
  background: linear-gradient(
    160deg,
    var(--color-ocean-deep) 0%,
    var(--color-ocean-mid) 40%,
    var(--color-teal) 100%
  );
  position: relative;
  overflow: hidden;
}

.section-cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(78, 205, 196, 0.12), transparent);
  pointer-events: none;
}

.cta-final-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-teal-light);
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 6vw, 5rem);
  color: var(--color-cream);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.cta-text {
  font-size: var(--text-md);
  color: rgba(245, 240, 232, 0.65);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}


/* ============================================================
   14. BANNER FULLWIDTH
   REEMPLAZAR background-image con la imagen real de campaña.
============================================================ */
.fullwidth-banner {
  position: relative;
  height: 50vh;
  min-height: 320px;
  max-height: 560px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  /* ================================================
     REEMPLAZAR con la ruta de la segunda imagen:
     background-image: url('../assets/banner-campana.jpg');
  ================================================ */
  background-image: linear-gradient(160deg, var(--color-jungle) 0%, var(--color-teal) 50%, var(--color-ocean-mid) 100%);
  background-size: cover;
  background-position: center;
}

.fullwidth-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.5);
}

.fullwidth-banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-cream);
  padding-inline: var(--space-lg);
}

.banner-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.banner-text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: rgba(245, 240, 232, 0.7);
}


/* ============================================================
   15. FOOTER
============================================================ */
.site-footer {
  background: var(--color-ocean-deep);
  padding-block: var(--space-xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-cream);
}

.footer-tagline {
  font-size: var(--text-sm);
  font-style: italic;
  color: rgba(245, 240, 232, 0.35);
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-links nav {
  display: flex;
  gap: var(--space-lg);
}

.footer-link {
  font-size: var(--text-sm);
  color: rgba(245, 240, 232, 0.4);
  transition: color var(--transition-fast);
}

.footer-link:hover { color: var(--color-cream); }

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social-link {
  color: rgba(245, 240, 232, 0.4);
  transition: color var(--transition-fast);
}

.footer-social-link:hover { color: var(--color-gold); }

.footer-social-link svg {
  width: 20px;
  height: 20px;
}

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(245, 240, 232, 0.25);
  letter-spacing: 0.05em;
}


/* ============================================================
   16. ANIMACIONES Y REVEAL
============================================================ */

/* Elementos a revelar */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delays escalonados para grupos de elementos */
.reveal:nth-child(2) { transition-delay: 80ms; }
.reveal:nth-child(3) { transition-delay: 160ms; }
.reveal:nth-child(4) { transition-delay: 240ms; }

/* Focus visible — accesibilidad */
:focus-visible {
  outline: 2px solid var(--color-teal-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Selección de texto */
::selection {
  background: rgba(78, 205, 196, 0.25);
  color: var(--color-ocean-deep);
}


/* ============================================================
   17. RESPONSIVE
============================================================ */

/* Tablet — 1024px */
@media (max-width: 1024px) {

  .book-layout {
    grid-template-columns: 220px 1fr;
    gap: var(--space-2xl);
  }

  .author-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--space-2xl);
  }

  .saga-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

/* Tablet mediana — 768px */
@media (max-width: 768px) {

  :root {
    --space-3xl: 6rem;
    --space-2xl: 4rem;
  }

  /* Header mobile */
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 85vw);
    background: var(--color-ocean-deep);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-2xl) var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    box-shadow: -4px 0 40px rgba(0, 0, 0, 0.3);
    z-index: 99;
    max-height: 100dvh;
    overflow-y: auto;
  }

  .main-nav.open { transform: translateX(0); }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .nav-link {
    font-size: var(--text-lg);
    color: var(--color-cream);
  }

  /* Hero */
  .hero-text { max-width: 100%; }

  /* El Libro */
  .book-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .book-cover-wrap {
    max-width: 240px;
  }

  /* Autor */
  .author-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .author-portrait {
    max-width: 280px;
  }

  /* Saga */
  .saga-grid {
    grid-template-columns: 1fr 1fr;
  }

  .saga-card:last-child {
    grid-column: 1 / -1;
    max-width: 300px;
    margin-inline: auto;
  }

  .section-heading {
    font-size: var(--text-2xl);
  }
}

/* Mobile — 480px */
@media (max-width: 480px) {

  :root {
    --space-3xl: 4.5rem;
    --space-2xl: 3rem;
    --space-xl:  2.5rem;
  }

  .container { padding-inline: var(--space-md); }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  .saga-grid { grid-template-columns: 1fr; }
  .saga-card:last-child { max-width: 100%; }

  .footer-links { flex-direction: column; gap: var(--space-md); }
  .footer-links nav { flex-direction: column; gap: var(--space-sm); }

  .chapter-cta-inner { padding: var(--space-xl) var(--space-md); }

  .author-links { flex-direction: column; }
}


/* ============================================================
   18. ACCESIBILIDAD Y REDUCED MOTION
============================================================ */
@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .scroll-line { animation: none; }
}