/* ============================================
   Madre, mírame — miguelmontereal.com
   Paleta extraída del libro (carboncillo + crema)
   ============================================ */

:root {
  /* Colores */
  --cream-bg: #F7F2E8;
  --cream-soft: #FFF9EC;
  --paper: #FFFCF5;
  --sage: #DDE6DD;
  --rose: #F4E4E4;
  --charcoal: #241F1C;
  --charcoal-soft: #625A52;
  --accent: #74344F;
  --accent-hover: #542438;
  --rule: rgba(42, 31, 24, 0.12);

  /* Tipografía */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Source Sans 3', system-ui, -apple-system, sans-serif;

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Anchos */
  --max-width: 720px;
  --max-width-wide: 1080px;
}

/* Reset básico */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background-color: var(--cream-bg);
  line-height: 1.65;
  font-size: 18px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Tipografía */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  color: var(--charcoal);
}

h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); font-style: italic; letter-spacing: 0; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--space-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--space-sm); font-style: italic; color: var(--charcoal-soft); font-weight: 400; }
h4 { font-size: 1.25rem; margin-bottom: var(--space-sm); font-style: italic; }

p {
  margin-bottom: var(--space-sm);
  max-width: 65ch;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s ease;
}

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

em { font-style: italic; }
strong { font-weight: 600; }

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section {
  padding: var(--space-lg) 0;
}

/* Navegación */
.nav {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule);
  background: rgba(255, 252, 245, 0.82);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.nav-logo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--charcoal);
  border: none;
}

.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  border: none;
  font-size: 0.95rem;
  color: var(--charcoal-soft);
}

.nav-links a:hover { color: var(--charcoal); }

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 6.5rem) 0 var(--space-lg);
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(120deg, rgba(221, 230, 221, 0.85), rgba(255, 249, 236, 0.72) 46%, rgba(244, 228, 228, 0.72)),
    var(--cream-bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.72fr);
  gap: clamp(2rem, 7vw, 5rem);
  align-items: center;
}

.hero-copy {
  max-width: 680px;
}

.hero-cover {
  display: block;
  width: min(100%, 330px);
  margin: 0 auto;
  box-shadow: 0 26px 60px rgba(36, 31, 28, 0.22);
  border-radius: 5px;
}

.hero h1 {
  margin-bottom: 0.7rem;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  color: var(--charcoal-soft);
  max-width: 620px;
  margin: 0 0 var(--space-md);
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--space-md);
  background: var(--rule);
  border: 1px solid var(--rule);
}

.hero-meta div {
  background: rgba(255, 252, 245, 0.76);
  padding: 0.85rem 1rem;
}

.hero-meta dt,
.format-label,
.section-kicker {
  font-size: 0.76rem;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
}

.hero-meta dd {
  margin-top: 0.2rem;
  font-size: 0.92rem;
  line-height: 1.35;
  color: var(--charcoal-soft);
}

.trust-bar {
  background: var(--charcoal);
  color: var(--cream-soft);
  font-size: 0.92rem;
}

.trust-inner {
  display: flex;
  justify-content: center;
  gap: 1rem 2rem;
  flex-wrap: wrap;
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
  opacity: 0.9;
}

/* Botones */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  border: 1.5px solid var(--charcoal);
  border-radius: 4px;
  background-color: transparent;
  color: var(--charcoal);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn:hover {
  background-color: var(--charcoal);
  color: var(--cream-bg);
}

.btn-primary {
  background-color: var(--charcoal);
  color: var(--cream-bg);
}

.btn-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--cream-bg);
}

a.btn { border-bottom: 1.5px solid var(--charcoal); }
a.btn-primary { border-bottom: 1.5px solid var(--charcoal); }

/* Sinopsis */
.synopsis {
  background: var(--paper);
}

.synopsis-layout {
  max-width: var(--max-width-wide);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 330px);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.synopsis p {
  font-size: 1.1rem;
  margin: 0 0 var(--space-sm);
}

.synopsis-divider {
  width: 60px;
  height: 1px;
  background-color: var(--rule);
  margin: var(--space-md) 0;
  border: none;
}

.synopsis-closing {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--accent);
}

.interior-art {
  margin: 0;
  padding: 1rem;
  background: var(--cream-bg);
  border: 1px solid var(--rule);
}

.interior-art img {
  display: block;
  width: 100%;
  border-radius: 3px;
}

.interior-art figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  text-align: center;
}

.centered {
  text-align: center;
}

.section-intro {
  text-align: center;
  margin: 0 auto var(--space-md);
  color: var(--charcoal-soft);
}

/* Formatos */
.formats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.format-card {
  padding: var(--space-md);
  background-color: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  text-align: center;
  min-height: 245px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.format-card:nth-child(2) { background: var(--sage); }
.format-card:nth-child(3) { background: var(--rose); }

.format-card h3 {
  font-size: 1.3rem;
  margin: 0.35rem 0 var(--space-xs);
  color: var(--charcoal);
}

.format-card p {
  font-size: 0.95rem;
  color: var(--charcoal-soft);
  margin: 0 auto var(--space-sm);
  flex: 1;
}

.format-card a {
  font-weight: 500;
}

.format-card a::after {
  content: " ->";
}

.associations {
  background: linear-gradient(180deg, var(--cream-bg), var(--sage));
}

.association-panel {
  background: rgba(255, 252, 245, 0.74);
  border: 1px solid var(--rule);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.association-panel p {
  margin-left: auto;
  margin-right: auto;
}

.association-closing {
  margin-top: var(--space-md);
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--accent);
}

/* Sección con texto largo */
.prose {
  font-size: 1.05rem;
}

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

.prose blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  border-left: 3px solid var(--accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  color: var(--charcoal-soft);
}

/* Formulario */
.form {
  max-width: 480px;
  margin: var(--space-md) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-field label {
  font-size: 0.9rem;
  color: var(--charcoal-soft);
  font-weight: 500;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field textarea,
.form-field select {
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background-color: var(--cream-soft);
  color: var(--charcoal);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: white;
}

.checkbox-field {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--charcoal-soft);
}

.checkbox-field input {
  margin-top: 0.3rem;
}

.form button {
  margin-top: var(--space-sm);
  width: fit-content;
  align-self: center;
}

/* Footer */
.footer {
  background-color: var(--charcoal);
  color: var(--cream-soft);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  font-size: 0.9rem;
}

.footer .container-wide {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.footer h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--cream-bg);
  font-weight: 500;
}

.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.4rem; }

.footer a {
  color: var(--cream-soft);
  border: none;
  opacity: 0.8;
}

.footer a:hover { opacity: 1; color: var(--cream-bg); }

.footer-bottom {
  border-top: 1px solid rgba(248, 239, 216, 0.15);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Responsive */
@media (max-width: 600px) {
  body { font-size: 17px; }
  section { padding: var(--space-md) 0; }
  .nav-inner { justify-content: center; }
  .nav-links { justify-content: center; font-size: 0.9rem; gap: var(--space-sm); }
  .hero { padding: var(--space-md) 0; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; max-width: 280px; }
  .hero-meta { grid-template-columns: 1fr; }
  .trust-inner { justify-content: flex-start; }
}

@media (max-width: 820px) {
  .hero-grid,
  .synopsis-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    text-align: center;
    margin: 0 auto;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-art {
    order: -1;
  }

  .hero-cover {
    width: min(72vw, 260px);
  }

  .synopsis-divider {
    margin-left: auto;
    margin-right: auto;
  }

  .synopsis-layout {
    text-align: center;
  }

  .interior-art {
    max-width: 360px;
    margin: 0 auto;
  }
}

/* Anchor sutil decorativo */
.anchor-divider {
  text-align: center;
  margin: var(--space-md) 0;
  color: var(--accent);
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: 0.3em;
}

/* ============================================
   HUB DE AUTOR — extensiones (mayo 2026)
   ============================================ */

.book-page[data-book="madre-mirame"] {
  --accent: #74344F;
  --accent-hover: #542438;
}
.book-page[data-book="doce-meses-sin-ti"] {
  --accent: #1F2D4E;
  --accent-hover: #131F38;
}

.nav-logo.author-mark {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--charcoal);
}
.nav-logo.author-mark:hover { color: var(--accent); }

.hub-hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(244, 228, 228, 0.55), transparent 70%),
    linear-gradient(180deg, rgba(255, 252, 245, 0.4), var(--cream-bg));
  border-bottom: 1px solid var(--rule);
}
.hub-hero .author-name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  margin-bottom: 0.4rem;
  color: var(--charcoal);
  line-height: 1.1;
}
.hub-hero .author-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  color: var(--charcoal-soft);
  max-width: 620px;
  margin: 0 auto var(--space-sm);
}
.hub-hero .author-intro {
  max-width: 560px;
  margin: 0 auto;
  color: var(--charcoal-soft);
  font-size: 1rem;
}
.hub-hero .ornament {
  display: block;
  margin: var(--space-sm) auto;
  color: var(--accent);
  letter-spacing: 0.4em;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
}

.books-section { padding: clamp(3rem, 6vw, 5rem) 0; }
.books-section .section-heading {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.book-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.book-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(36, 31, 28, 0.14);
}
.book-card-cover {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 8;
  object-fit: cover;
  background: var(--cream-soft);
}
.book-card[data-book="madre-mirame"] { border-top: 4px solid #74344F; }
.book-card[data-book="doce-meses-sin-ti"] { border-top: 4px solid #1F2D4E; }

.book-card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.book-card .book-kicker {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.book-card[data-book="madre-mirame"] .book-kicker { color: #74344F; }
.book-card[data-book="doce-meses-sin-ti"] .book-kicker { color: #1F2D4E; }
.book-card h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.7rem, 2.6vw, 2.1rem);
  margin: 0 0 0.4rem;
  color: var(--charcoal);
  font-weight: 500;
}
.book-card .book-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--charcoal-soft);
  margin-bottom: var(--space-sm);
  line-height: 1.35;
}
.book-card .book-summary {
  font-size: 0.98rem;
  color: var(--charcoal);
  margin-bottom: var(--space-md);
  flex: 1;
}
.book-card .book-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  align-self: flex-start;
  padding-bottom: 2px;
  border-bottom: 1.5px solid currentColor;
}
.book-card[data-book="madre-mirame"] .book-cta { color: #74344F; }
.book-card[data-book="madre-mirame"] .book-cta:hover { color: #542438; }
.book-card[data-book="doce-meses-sin-ti"] .book-cta { color: #1F2D4E; }
.book-card[data-book="doce-meses-sin-ti"] .book-cta:hover { color: #131F38; }

.author-block {
  background: var(--paper);
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.author-block .container { text-align: center; }
.author-block .author-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  color: var(--charcoal);
  max-width: 640px;
  margin: 0 auto var(--space-md);
  line-height: 1.4;
}
.author-block .author-signature {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--charcoal-soft);
  letter-spacing: 0.05em;
}

.nav-links a.lang-switch { font-style: italic; opacity: 0.85; }

.book-page .return-to-hub {
  font-size: 0.85rem;
  color: var(--charcoal-soft);
  text-align: center;
  padding: 0.6rem 0 0;
  letter-spacing: 0.05em;
}
.book-page .return-to-hub a {
  color: var(--charcoal-soft);
  border-bottom: 1px dotted currentColor;
}
.book-page .return-to-hub a:hover { color: var(--accent); }

.footer-books-list a { display: block; margin-bottom: 0.25rem; }

@media (max-width: 640px) {
  .books-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .book-card-body { padding: var(--space-sm) var(--space-md) var(--space-md); }
}

/* ============================================
   Pieza del libro (demo de lectura)
   ============================================ */
.excerpt-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--paper);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.excerpt-card {
  max-width: 680px;
  margin: 0 auto;
  background: var(--cream-soft);
  border: 1px solid var(--rule);
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
}
.excerpt-card::before {
  content: "“";
  position: absolute;
  top: -0.3em;
  left: 0.4em;
  font-family: var(--font-display);
  font-size: clamp(5rem, 10vw, 8rem);
  color: var(--accent);
  opacity: 0.18;
  line-height: 1;
}
.excerpt-meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.excerpt-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--charcoal);
  margin-bottom: 0.2rem;
  font-weight: 500;
}
.excerpt-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--charcoal-soft);
  margin-bottom: var(--space-md);
}
.excerpt-body {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--charcoal);
  font-family: var(--font-body);
}
.excerpt-body p {
  margin-bottom: var(--space-sm);
  max-width: none;
}
.excerpt-body.verse {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.8;
  text-align: left;
}
.excerpt-body.verse p { margin-bottom: 0.8rem; }
.excerpt-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--rule);
  font-size: 0.88rem;
  color: var(--charcoal-soft);
  font-style: italic;
}

/* ============================================
   FAQ section
   ============================================ */
.faq-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--cream-soft);
}
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: var(--space-md) 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-item h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--charcoal);
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.faq-item p {
  color: var(--charcoal);
  font-size: 1rem;
  max-width: none;
}