/* =============================================================
   PÁGINA DE LIVRO — Design premium
   Prefixo: .lv- (livro)
   ============================================================= */
:root {
  --lv-paper: #FDFAF3;
  --lv-paper-2: #EFE3CE;
  --lv-paper-3: #E6D8BE;
  --lv-ink: #2A1B0D;
  --lv-ink-soft: #5B4732;
  --lv-brown: #704010;
  --lv-brown-2: #985821;
  --lv-gold: #B08040;
  --lv-gold-2: #D9A96E;
  --lv-cream: #FFF6EC;
  --lv-line: rgba(112, 64, 16, 0.20);
  --lv-line-soft: rgba(112, 64, 16, 0.10);
  --lv-mono: "JetBrains Mono", ui-monospace, monospace;
}

body.page.lv { background: #FFFFFF; color: var(--lv-ink); }
/* Sequência branco-bege alternada em todas as seções após o hero */
.lv-crumb, .lv-hero { background: #FFFFFF; }
.lv-section:nth-of-type(1) { background: #FDFAF3 !important; }   /* Sobre o livro */
.lv-section:nth-of-type(2) { background: #FFFFFF !important; }   /* Tópicos */
.lv-section:nth-of-type(3) { background: #FDFAF3 !important; }   /* Ficha técnica */
.lv-author { background: #FFFFFF !important; }
.lv-related { background: #FDFAF3 !important; }

/* Header transparente */
body.page.lv .site-header,
body.page.lv .site-header--scrolled {
  background: transparent !important;
  border-bottom: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* Elimina QUALQUER sombra em elementos da página do livro */
body.page.lv,
body.page.lv .site-header--transparent-fix,
body.page.lv .site-header,
body.page.lv .site-header--scrolled,
body.page.lv .site-header__inner,
body.page.lv .lv-hero,
body.page.lv .lv-buy,
body.page.lv .lv-cover,
body.page.lv .lv-format,
body.page.lv .lv-related__cover,
body.page.lv .lv-section,
body.page.lv .lv-author,
body.page.lv .lv-related,
body.page.lv .brand__logo,
body.page.lv .brand {
  box-shadow: none !important;
  filter: none !important;
}

/* Header contrast for light product pages */
body.page.lv .site-header .nav__item { color: var(--lv-ink-soft) !important; }
body.page.lv .site-header .nav__item:hover,
body.page.lv .site-header .nav__item--active { color: var(--lv-brown) !important; }
body.page.lv .site-header .nav__item::after { background: var(--lv-brown) !important; }
body.page.lv .site-header .nav__cta {
  background: var(--lv-brown) !important;
  color: var(--lv-cream) !important;
  border-color: transparent !important;
}
body.page.lv .site-header .nav__cta:hover { background: var(--lv-brown-2) !important; }
/* Breadcrumb */
.lv-crumb {
  padding: clamp(100px, 12vw, 140px) clamp(24px, 5vw, 72px) 0;
  max-width: 1320px;
  margin: 0 auto;
}
.lv-crumb__inner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--lv-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--lv-line);
  flex-wrap: wrap;
}
.lv-crumb a { color: var(--lv-brown); text-decoration: none; }
.lv-crumb a:hover { color: var(--lv-brown-2); }
.lv-crumb__sep { opacity: 0.4; }
.lv-crumb__current { color: var(--lv-ink); }

/* ============ HERO PRODUTO ============ */
.lv-hero {
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(40px, 5vw, 60px) clamp(24px, 5vw, 72px) clamp(50px, 6vw, 80px);
}
.lv-hero__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 6vw, 84px);
  align-items: start;
}
@media (max-width: 900px) { .lv-hero__grid { grid-template-columns: 1fr; } }

/* Coluna esquerda: capa */
.lv-cover-wrap {}

.lv-cover {
  position: relative;
  aspect-ratio: 2 / 3;
  max-width: 440px;
  width: 100%;
  margin: 0 auto;
  background: #FDFAF3;
  box-shadow: none;
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.lv-cover:hover { transform: translateY(-6px); }
.lv-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.lv-cover::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 3.5%;
  background: linear-gradient(90deg, rgba(0,0,0,.25), transparent);
  pointer-events: none;
}
.lv-cover__badge {
  position: absolute;
  top: 18px; right: 18px;
  padding: 7px 14px;
  background: var(--lv-brown);
  color: var(--lv-cream);
  font-family: var(--lv-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: 999px;
  z-index: 2;
}

/* Coluna direita: info */
.lv-info__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--lv-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lv-brown);
  margin-bottom: 20px;
}
.lv-info__eyebrow-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--lv-brown);
  border-radius: 50%;
}

.lv-info__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 54px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--lv-ink);
  margin: 0 0 14px;
}
.lv-info__title em { font-style: italic; color: var(--lv-brown); }

.lv-info__author {
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
  font-weight: 300;
  color: var(--lv-ink-soft);
  margin: 0 0 24px;
}

.lv-info__rating {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 22px;
  font-family: var(--lv-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
}
.lv-info__stars { color: var(--lv-brown); letter-spacing: 2px; }

.lv-info__lead {
  font-size: 16px;
  line-height: 1.72;
  color: var(--lv-ink-soft);
  margin: 0 0 28px;
  max-width: 60ch;
}

/* Formatos */
.lv-formats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 26px;
}
.lv-formats--two { grid-template-columns: repeat(2, 1fr); }
.lv-format {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 16px 18px;
  background: transparent;
  border: 1.5px solid var(--lv-line);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.25s;
  text-align: left;
  font-family: var(--font-body);
}
.lv-format:hover { border-color: var(--lv-brown-2); }
.lv-format--active {
  border-color: var(--lv-brown);
  background: rgba(112, 64, 16, 0.05);
}
.lv-format__label {
  font-family: var(--lv-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
  margin-bottom: 6px;
}
.lv-format__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 460;
  color: var(--lv-ink);
  margin-bottom: 4px;
}
.lv-format__price {
  font-family: var(--font-display);
  font-size: 15px;
  font-style: italic;
  color: var(--lv-brown);
}

/* Bloco de preço + compra */
.lv-buy {
  padding: 24px;
  background: var(--lv-paper);
  border: 1px solid var(--lv-line);
  border-radius: 8px;
  margin-bottom: 28px;
}
.lv-buy__price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.lv-buy__price {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 42px);
  font-style: italic;
  font-weight: 300;
  color: var(--lv-brown);
  line-height: 1;
}
.lv-buy__price-brl {
  font-family: var(--lv-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
}
.lv-buy__installment {
  font-size: 13px;
  color: var(--lv-ink-soft);
  margin: 0 0 20px;
}
.lv-buy__installment strong { color: var(--lv-ink); font-weight: 600; }

.lv-buy__ctas {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.lv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 6px;
  font-family: var(--lv-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.25s;
  border: 1.5px solid transparent;
  cursor: pointer;
  flex: 1;
  min-width: 200px;
}
.lv-btn--primary { background: var(--lv-brown); color: var(--lv-cream); }
.lv-btn--primary:hover { background: var(--lv-brown-2); transform: translateY(-2px); color: var(--lv-cream); }
.lv-btn--ghost {
  background: transparent;
  color: var(--lv-brown);
  border-color: var(--lv-brown);
}
.lv-btn--ghost:hover { background: var(--lv-brown); color: var(--lv-cream); transform: translateY(-2px); }
.lv-btn--full { width: 100%; flex: none; }

.lv-buy__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--lv-line);
  font-family: var(--lv-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
  flex-wrap: wrap;
}
.lv-buy__trust-item { display: flex; align-items: center; gap: 6px; }
.lv-buy__trust-item svg { color: var(--lv-brown); }

/* Info curta */
.lv-info__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--lv-line);
  border-bottom: 1px solid var(--lv-line);
}
@media (max-width: 560px) { .lv-info__meta { grid-template-columns: 1fr 1fr; } }
.lv-info__meta-item { display: flex; flex-direction: column; gap: 4px; }
.lv-info__meta-label {
  font-family: var(--lv-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
}
.lv-info__meta-value {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 460;
  color: var(--lv-ink);
  line-height: 1.1;
}

/* ============ SEÇÕES DETALHE ============ */
.lv-section {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(50px, 6vw, 80px) clamp(24px, 5vw, 72px);
  border-top: 1px solid var(--lv-line);
}
.lv-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--lv-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lv-brown);
  margin-bottom: 22px;
}
.lv-section__eyebrow-line { width: 30px; height: 1px; background: var(--lv-brown); }
.lv-section__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--lv-ink);
  margin: 0 0 30px;
}
.lv-section__title em { font-style: italic; color: var(--lv-brown); }

.lv-prose p {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--lv-ink-soft);
  margin: 0 0 20px;
}
.lv-prose p:last-child { margin-bottom: 0; }
.lv-prose strong { color: var(--lv-ink); font-weight: 600; }

/* Pull quote */
.lv-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--lv-ink);
  padding: 26px 32px;
  border-left: 3px solid var(--lv-brown);
  background: var(--lv-paper-2);
  margin: 32px 0 0;
}

/* Tópicos abordados */
.lv-topics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
  margin-top: 24px;
}
@media (max-width: 560px) { .lv-topics { grid-template-columns: 1fr; } }
.lv-topic {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--lv-paper-2);
  border-left: 2px solid var(--lv-brown);
  font-size: 14.5px;
  color: var(--lv-ink);
}
.lv-topic::before {
  content: "✦";
  color: var(--lv-brown);
  font-size: 12px;
  margin-top: 4px;
  flex-shrink: 0;
}

/* Ficha técnica */
.lv-specs {
  background: var(--lv-paper-2);
  border: 1px solid var(--lv-line);
  padding: 32px;
}
.lv-specs__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 40px;
}
@media (max-width: 560px) { .lv-specs__grid { grid-template-columns: 1fr; } }
.lv-spec {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--lv-line-soft);
}
.lv-spec__label {
  font-family: var(--lv-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lv-ink-soft);
}
.lv-spec__value {
  font-size: 14px;
  color: var(--lv-ink);
  font-weight: 600;
  text-align: right;
}

/* ============ AUTOR ============ */
.lv-author {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(50px, 6vw, 80px) clamp(24px, 5vw, 72px);
  border-top: 1px solid var(--lv-line);
}
.lv-author__inner {
  display: grid;
  grid-template-columns: 0.4fr 0.6fr;
  gap: 50px;
  align-items: start;
}
@media (max-width: 780px) { .lv-author__inner { grid-template-columns: 1fr; } }
.lv-author__card {
  background: var(--lv-paper-2);
  padding: 28px;
  border: 1px solid var(--lv-line);
}
.lv-author__photo {
  width: 100%;
  aspect-ratio: 1;
  background: var(--lv-paper-3);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lv-brown);
  font-family: var(--font-display);
  font-size: 60px;
  font-style: italic;
  font-weight: 300;
}
.lv-author__name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 460;
  color: var(--lv-ink);
  margin: 0 0 4px;
}
.lv-author__role {
  font-family: var(--lv-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lv-brown);
}
.lv-author__bio p {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--lv-ink-soft);
  margin: 0 0 16px;
}

/* ============ LIVROS RELACIONADOS ============ */
.lv-related {
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(50px, 6vw, 80px) clamp(24px, 5vw, 72px);
  border-top: 1px solid var(--lv-line);
}
.lv-related__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  margin-bottom: 40px;
}
.lv-related__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
}
@media (max-width: 900px) { .lv-related__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .lv-related__grid { grid-template-columns: 1fr; } }

.lv-related__book {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.lv-related__book:hover { transform: translateY(-6px); }
.lv-related__cover {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: #FDFAF3;
  box-shadow: none;
  margin-bottom: 16px;
}
.lv-related__cover img { width: 100%; height: 100%; object-fit: cover; }
.lv-related__cover::after {
  content: "";
  position: absolute; top: 0; bottom: 0; left: 0;
  width: 3%;
  background: linear-gradient(90deg, rgba(0,0,0,.18), transparent);
  pointer-events: none;
}
.lv-related__title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 460;
  color: var(--lv-ink);
  line-height: 1.2;
  margin: 0 0 4px;
}
.lv-related__author {
  font-size: 12.5px;
  color: var(--lv-ink-soft);
  font-style: italic;
}

/* ============ LIGHTBOX (só na página interna do livro) ============ */
.lv-cover { cursor: zoom-in; }
.lv-lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(20, 12, 4, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 4vw, 60px);
  cursor: zoom-out;
  animation: lv-fadein 0.25s ease-out;
}
.lv-lightbox[data-open="true"] { display: flex; }
@keyframes lv-fadein { from { opacity: 0; } to { opacity: 1; } }
.lv-lightbox__img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  animation: lv-scalein 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
}
@keyframes lv-scalein {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.lv-lightbox__close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255, 246, 236, 0.15);
  border: 1px solid rgba(255, 246, 236, 0.3);
  color: var(--lv-cream);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.25s, transform 0.25s;
}
.lv-lightbox__close:hover {
  background: rgba(255, 246, 236, 0.28);
  transform: rotate(90deg);
}
body.lv-lightbox-open { overflow: hidden; }