/*
Versión: 0.26.0515.2
Fecha: 2026-05-15
Cambio:
- Se agrega estilo editorial minimalista con fondo rojo/azul, niebla y catálogo visual.
- Se agregan barra superior, footer, modal de contacto y contenido editorial extendido.
- Se agrega agrupación de acciones para botón Amazon y compartir en páginas de libro.
- Se agrega disponibilidad Buscalibre sutil en home y páginas de libro.
- Se sincroniza versión de cache busting con assets del head.
*/

:root {
  --red-deep: #5a0f0f;
  --blue-deep: #0f2a44;
  --black-red: #1a0b0b;
  --black-blue: #0b1a2a;
  --text: #f6efe7;
  --muted: rgba(246, 239, 231, .66);
  --line: rgba(246, 239, 231, .18);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--black-red);
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at center, rgba(255,255,255,.08), transparent 38%),
    radial-gradient(circle at 24% 28%, rgba(90,15,15,.72), transparent 34%),
    radial-gradient(circle at 78% 70%, rgba(15,42,68,.88), transparent 40%),
    linear-gradient(135deg, var(--black-red) 0%, var(--black-blue) 100%);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 8%;
  pointer-events: none;
  z-index: 0;
  filter: blur(58px);
  opacity: .34;
  background:
    radial-gradient(circle at 35% 45%, rgba(255,255,255,.2), transparent 30%),
    radial-gradient(circle at 65% 55%, rgba(90,15,15,.48), transparent 38%),
    radial-gradient(circle at 55% 35%, rgba(15,42,68,.5), transparent 44%);
}

body::after {
  inset: 0;
  opacity: .16;
  filter: blur(24px);
}

a {
  color: inherit;
}

main {
  position: relative;
  z-index: 1;
}

.site-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: .9rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 14, 24, .62);
  backdrop-filter: blur(16px);
}

.site-name,
.site-nav a,
.site-nav button {
  color: var(--text);
  text-decoration: none;
  font-size: .92rem;
}

.site-name {
  font-weight: 650;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a,
.site-nav button {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav button:hover {
  color: var(--text);
}

.site-nav button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  border-radius: 2px;
  padding: .55rem .75rem;
  cursor: pointer;
}

.catalog-page {
  min-height: calc(100vh - 33vh);
  display: grid;
  place-items: center;
  padding: clamp(2rem, 6vw, 5rem);
}

.catalog-grid {
  width: min(880px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 7vw, 5rem);
  align-items: center;
  justify-items: center;
}

.catalog-cover-link {
  display: block;
  width: min(100%, 310px);
  line-height: 0;
  border-radius: 6px;
  transform: translateZ(0);
  transition: transform .22s ease, filter .22s ease;
}

.catalog-cover-link:hover {
  transform: scale(1.03);
  filter: drop-shadow(0 28px 42px rgba(0,0,0,.38));
}

.catalog-cover {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  box-shadow: 0 18px 36px rgba(0,0,0,.26);
}

.availability-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  flex-wrap: wrap;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  color: rgba(246, 239, 231, .48);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.availability-note img {
  width: 92px;
  height: auto;
  opacity: .58;
}

.availability-note__amazon {
  display: inline-flex;
  align-items: center;
  gap: .28rem;
  opacity: .68;
}

.availability-note__divider {
  opacity: .48;
}

.book-page {
  width: min(1120px, calc(100% - 2rem));
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 4rem) 0;
}

.quiet-link {
  display: inline-flex;
  margin-bottom: clamp(2rem, 5vw, 4rem);
  color: var(--muted);
  text-decoration: none;
  font-size: .86rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.quiet-link:hover {
  color: var(--text);
}

.book-detail {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 5rem);
  align-items: center;
}

.book-detail-cover img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  box-shadow: 0 34px 70px rgba(0,0,0,.42);
}

.book-detail-copy h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.35rem, 6vw, 5.4rem);
  line-height: .92;
  letter-spacing: 0;
  font-weight: 760;
}

.book-detail-copy p {
  max-width: 34rem;
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.45;
}

.book-detail-copy .book-subtitle {
  margin-bottom: 1.5rem;
}

.book-editorial {
  max-width: 39rem;
  margin-top: 2rem;
}

.book-editorial p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.7;
}

.amazon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .85rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
  transition: background .2s ease, border-color .2s ease;
}

.amazon-button:hover {
  background: rgba(255,255,255,.16);
  border-color: rgba(255,255,255,.34);
}

.book-actions {
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
}

.share-icon-button--large {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.buscalibre-availability {
  display: grid;
  justify-items: start;
  gap: .45rem;
  margin-top: 1rem;
  color: rgba(246, 239, 231, .5);
  font-size: .82rem;
}

.buscalibre-availability a {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  opacity: .72;
  transition: opacity .18s ease, transform .18s ease;
}

.buscalibre-availability a:hover {
  opacity: .95;
  transform: translateY(-1px);
}

.buscalibre-availability img {
  width: 112px;
  max-width: 100%;
  height: auto;
  display: block;
}

.also-available {
  margin-top: clamp(4rem, 9vw, 7rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.also-available h2 {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 500;
}

.also-available a {
  display: block;
  width: 126px;
  line-height: 0;
}

.also-available img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 16px 28px rgba(0,0,0,.3);
  transition: transform .22s ease, filter .22s ease;
}

.also-available a:hover img {
  transform: scale(1.03);
  filter: drop-shadow(0 16px 24px rgba(0,0,0,.32));
}

.author-page {
  min-height: 100vh;
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 5rem) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.author-text h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0;
}

.author-text p {
  margin: 0 0 1rem;
  color: rgba(246, 239, 231, .78);
  font-size: 1.08rem;
  line-height: 1.7;
}

.author-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.author-links a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.author-links a:hover {
  color: var(--text);
  border-color: var(--line);
}

.site-footer {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto auto;
  gap: 1.25rem;
  align-items: start;
  font-size: .9rem;
}

.site-footer strong,
.site-footer span,
.site-footer small {
  display: block;
}

.site-footer strong {
  color: var(--text);
  margin-bottom: .25rem;
}

.site-footer nav {
  display: flex;
  gap: .9rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}

.contact-modal[hidden] {
  display: none;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.contact-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(10px);
}

.contact-dialog {
  position: relative;
  width: min(520px, 100%);
  padding: 1.4rem;
  border: 1px solid var(--line);
  background: rgba(11, 18, 30, .92);
  box-shadow: 0 34px 80px rgba(0,0,0,.52);
}

.contact-dialog h2 {
  margin: 0 0 1rem;
}

.contact-close {
  position: absolute;
  top: .6rem;
  right: .8rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.8rem;
  cursor: pointer;
}

.contact-dialog form,
.contact-dialog label {
  display: grid;
  gap: .45rem;
}

.contact-dialog form {
  gap: .85rem;
}

.contact-dialog label {
  color: var(--muted);
  font-size: .9rem;
}

.contact-dialog input,
.contact-dialog textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.07);
  color: var(--text);
  padding: .72rem .78rem;
  font: inherit;
}

.contact-dialog textarea {
  min-height: 132px;
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  color: var(--muted);
}

@media (max-width: 760px) {
  .site-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }

  .catalog-cover-link {
    width: min(72vw, 270px);
  }

  .availability-note {
    max-width: min(82vw, 320px);
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
  }

  .book-detail {
    grid-template-columns: 1fr;
  }

  .book-detail-cover {
    width: min(72vw, 320px);
    margin: 0 auto;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}