/* ============================================================
   GONZALO JIMÉNEZ TAPIA — styles.css
   Sistema de diseño principal · HTML/CSS/JS Vanilla
   ============================================================ */

/* ---- 1. VARIABLES / DESIGN TOKENS ---- */
:root {
  /* Colores base */
  --color-bg:          #F8F6F1;
  --color-surface:     #FFFFFF;
  --color-surface-alt: #F2EFEA;
  --color-border:      #E0DBD0;

  /* Texto */
  --color-text:        #1A1A1A;
  --color-text-muted:  #6B6B6B;
  --color-text-light:  #9A9A9A;

  /* Acento dorado editorial */
  --color-accent:      #B8962E;
  --color-accent-dark: #9A7A1E;
  --color-accent-light:#F0E6C0;

  /* Azul marino sobrio */
  --color-navy:        #2D4A6B;
  --color-navy-dark:   #1C3250;
  --color-navy-light:  #D0DCE8;

  /* El Pergamino — identidad diferenciada */
  --color-pergamino-bg:   #1C2B1A;
  --color-pergamino-text: #E8E2D0;
  --color-pergamino-accent: #C8A84B;

  /* Tipografía */
  --font-serif:  Georgia, 'Palatino Linotype', 'Book Antiqua', serif;
  --font-sans:   'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Escala tipográfica */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5rem;
  --text-2xl:  2rem;
  --text-3xl:  2.5rem;
  --text-4xl:  3.25rem;
  --text-5xl:  4rem;

  /* Espaciados */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1160px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);

  /* Efectos */
  --radius-sm:  4px;
  --radius:     6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.06);
  --shadow:     0 2px 12px rgba(0,0,0,0.08);
  --shadow-md:  0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.14);

  /* Transiciones */
  --transition: 200ms ease;
  --transition-slow: 400ms ease;
}

/* ---- 2. RESET & 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-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul, ol { list-style: none; }

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- 3. UTILIDADES ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-serif  { font-family: var(--font-serif); }
.text-accent { color: var(--color-accent); }
.text-navy   { color: var(--color-navy); }
.text-muted  { color: var(--color-text-muted); }

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

/* ---- 4. ANIMACIONES DE ENTRADA ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ---- 5. BOTONES ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn:active { transform: translateY(1px); }

.btn-accent {
  background: var(--color-accent);
  color: #FFFFFF;
  border: 2px solid var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: 0 4px 16px rgba(184,150,46,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-navy {
  background: var(--color-navy);
  color: #FFFFFF;
  border: 2px solid var(--color-navy);
}
.btn-navy:hover {
  background: var(--color-navy-dark);
  border-color: var(--color-navy-dark);
}

.btn-ghost-light {
  background: rgba(255,255,255,0.12);
  color: #FFFFFF;
  border: 2px solid rgba(255,255,255,0.30);
  backdrop-filter: blur(6px);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.55);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ---- 6. HEADER / NAV ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 246, 241, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-slow), background var(--transition-slow),
              box-shadow var(--transition-slow);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-6);
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.logo-tagline {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Nav principal */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}

.nav-link.active {
  color: var(--color-accent);
  font-weight: 600;
}

/* Pergamino nav highlight */
.nav-link.nav-pergamino {
  color: var(--color-navy);
  font-weight: 600;
}
.nav-link.nav-pergamino:hover {
  color: var(--color-navy-dark);
  background: var(--color-navy-light);
}

.header-cta {
  flex-shrink: 0;
}

/* Burger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
}

.burger-line {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--color-bg);
  padding: 100px var(--container-pad) var(--space-12);
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav.open { display: flex; }

.mobile-nav .nav-link {
  font-size: var(--text-xl);
  font-family: var(--font-serif);
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  width: 100%;
}

.mobile-nav-cta {
  margin-top: var(--space-6);
  align-self: flex-start;
}

/* ---- 7. HERO (HOME) ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
  padding-top: 68px;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-accent-light) 100%);
  z-index: 0;
  clip-path: polygon(8% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-20) 0;
}

.hero-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  flex-shrink: 0;
}

.hero-label span {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 480px;
  line-height: 1.65;
  margin-bottom: var(--space-10);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-image-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding: var(--space-12) var(--space-8) 0;
}

.hero-photo {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-lg);
}

.hero-photo-placeholder {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 3/4;
  background: linear-gradient(160deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  gap: var(--space-3);
}

.hero-photo-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.3;
}

/* ---- 8. SECCIONES DE PÁGINAS INTERNAS ---- */
.page-hero {
  padding: calc(68px + var(--space-16)) 0 var(--space-12);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.page-hero-sm {
  padding: calc(68px + var(--space-10)) 0 var(--space-8);
}

.page-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.65;
}

/* ---- 9. SECCIONES HOME ---- */
section {
  padding: var(--space-20) 0;
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-desc {
  margin-top: var(--space-4);
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.65;
}

/* ---- 10. BLOQUE BIO / "QUIÉN ES" ---- */
.bio-section {
  background: var(--color-surface);
}

.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-16);
  align-items: start;
}

.bio-image-wrap {
  position: sticky;
  top: calc(68px + var(--space-6));
}

.bio-photo {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.bio-photo-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, #3a5272 0%, var(--color-navy-dark) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bio-content h2 {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-6);
}

.bio-content p {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.bio-content p:last-of-type { margin-bottom: var(--space-8); }

.bio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-accent {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.badge-navy {
  background: var(--color-navy-light);
  color: var(--color-navy-dark);
}

.badge-gray {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ---- 11. CARDS DE ARTÍCULOS ---- */
.articles-section { background: var(--color-bg); }

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.article-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.card-source {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.card-date {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

.card-category {
  margin-left: auto;
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: var(--space-3);
  flex-grow: 1;
}

.card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition), color var(--transition);
}

.card-link:hover {
  gap: var(--space-3);
  color: var(--color-accent-dark);
}

.card-link svg {
  flex-shrink: 0;
}

/* Artículos: filtros */
.filter-bar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  transition: all var(--transition);
  cursor: pointer;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}

/* ---- 12. PODCAST ---- */
.podcast-section { background: var(--color-surface); }

.podcast-hero-block {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-12);
  color: #FFFFFF;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-12);
}

.podcast-hero-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-4);
}

.podcast-hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.podcast-hero-desc {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.podcast-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background var(--transition);
  text-decoration: none;
}

.platform-badge:hover {
  background: rgba(255,255,255,0.22);
}

.podcast-cover-placeholder {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 320px;
  margin-left: auto;
}

.episodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.episode-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--transition), transform var(--transition);
}

.episode-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.episode-number {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.episode-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.3;
  flex-grow: 1;
}

.episode-duration {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ---- 13. EL PERGAMINO ---- */
.pergamino-banner {
  background: linear-gradient(135deg, var(--color-pergamino-bg) 0%, #0F1C0D 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-12);
  color: var(--color-pergamino-text);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.pergamino-banner::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(200,168,75,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.pergamino-logo-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.pergamino-logo-name {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--color-pergamino-accent);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.pergamino-logo-subtitle {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(200,168,75,0.65);
}

.pergamino-desc {
  font-size: var(--text-md);
  color: rgba(232, 226, 208, 0.80);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.pergamino-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.btn-pergamino {
  background: var(--color-pergamino-accent);
  color: var(--color-pergamino-bg);
  border: 2px solid var(--color-pergamino-accent);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-pergamino:hover {
  background: #D4B45A;
  border-color: #D4B45A;
}

.btn-pergamino-outline {
  background: transparent;
  color: var(--color-pergamino-accent);
  border: 2px solid rgba(200,168,75,0.45);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-pergamino-outline:hover {
  border-color: var(--color-pergamino-accent);
  background: rgba(200,168,75,0.08);
}

.pergamino-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.pergamino-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(200,168,75,0.18);
  border-radius: var(--radius-md);
}

.pergamino-stat-number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: var(--color-pergamino-accent);
  line-height: 1;
}

.pergamino-stat-label {
  font-size: var(--text-sm);
  color: rgba(232, 226, 208, 0.65);
  letter-spacing: 0.05em;
}

/* Página completa de El Pergamino */
.pergamino-page-hero {
  background: linear-gradient(160deg, var(--color-pergamino-bg) 0%, #0F1C0D 100%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: calc(68px + var(--space-20)) 0 var(--space-20);
  color: var(--color-pergamino-text);
}

.pergamino-page-hero .page-title {
  color: var(--color-pergamino-accent);
}

.pergamino-page-hero .page-subtitle {
  color: rgba(232, 226, 208, 0.75);
}

/* ---- 14. LIBROS ---- */
.books-section { background: var(--color-surface); }

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.book-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.book-cover-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 2/3;
  background: var(--color-surface-alt);
}

.book-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: rgba(255,255,255,0.5);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-4);
  gap: var(--space-3);
}

.book-cover-placeholder .book-title-placeholder {
  color: rgba(255,255,255,0.85);
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 1.3;
  letter-spacing: normal;
  text-transform: none;
}

.book-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-grow: 1;
}

.book-meta {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-light);
  flex-wrap: wrap;
}

.book-title-text {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.3;
}

.book-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- 15. CTA SECCIÓN ---- */
.cta-section {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: #FFFFFF;
  text-align: center;
  padding: var(--space-20) 0;
}

.cta-section .section-title {
  color: #FFFFFF;
  font-size: var(--text-3xl);
}

.cta-section .section-desc {
  color: rgba(255,255,255,0.75);
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

/* ---- 16. FORMULARIO DE CONTACTO ---- */
.contact-section { background: var(--color-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact-info p {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.contact-socials {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  text-decoration: none;
}

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

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}

.social-link:hover .social-icon {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.contact-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: #C0392B;
  margin-top: var(--space-1);
}

.form-error.show { display: block; }

.form-success {
  display: none;
  background: #EAF5EA;
  border: 1px solid #8BC34A;
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: #2E7D32;
  margin-top: var(--space-4);
}

.form-success.show { display: block; }

/* ---- 17. FOOTER ---- */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand .logo-name {
  color: #FFFFFF;
}

.footer-brand .logo-tagline {
  color: rgba(255,255,255,0.4);
}

.footer-brand-desc {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
  max-width: 280px;
}

.footer-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: background var(--transition), color var(--transition);
  border: 1px solid rgba(255,255,255,0.12);
}

.footer-social-btn:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.60);
  transition: color var(--transition);
  text-decoration: none;
}

.footer-col a:hover { color: #FFFFFF; }

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}

.footer-bottom a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
}

.footer-bottom a:hover { color: rgba(255,255,255,0.75); }

/* Footer CTA inline */
.footer-cta-bar {
  background: var(--color-accent);
  padding: var(--space-5) 0;
}

.footer-cta-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-cta-bar p {
  font-size: var(--text-md);
  font-weight: 600;
  color: #FFFFFF;
}

/* ---- 18. PÁGINA PERGAMINO COMPLETA ---- */
.pergamino-content-section {
  background: var(--color-bg);
  padding: var(--space-20) 0;
}

.pergamino-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  margin-bottom: var(--space-16);
}

.pergamino-redes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.red-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  transition: box-shadow var(--transition), transform var(--transition);
}

.red-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.red-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.red-card-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.red-card-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  text-align: center;
}

/* ---- 19. BREADCRUMBS ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--color-accent); }

.breadcrumb-sep { color: var(--color-border); }

/* ---- 20. DIVIDER ---- */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

/* ---- 21. HIGHLIGHT QUOTE ---- */
.pull-quote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--color-accent-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.pull-quote p {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 0 !important;
}

/* ---- 22. DESTACADO / INFO BOX ---- */
.info-box {
  background: var(--color-navy-light);
  border: 1px solid rgba(45,74,107,0.20);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

/* ---- 23. BACK TO TOP ---- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
  z-index: 500;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover { transform: translateY(-3px); }

/* ---- FIN ---- */