:root {
  /* Paleta Realeza Contemporânea: Preto Profundo, Dourado Vivo e Branco Luminoso */
  --bg-primary: #080808;
  --bg-secondary: #151515;
  --warm-white: #FFFDF8;
  --warm-white-subtle: #F4EFE4;

  --text-on-dark: #FFFDF8;
  --text-on-dark-secondary: #D4D0C8;
  --text-on-light: #151515;
  --text-on-light-secondary: #4E4A43;

  --gold: #F0C55B;
  --gold-bright: #FFE8A3;
  --gold-deep: #BC8525;

  /* Dourado profundo escuro para textos pequenos sobre fundo claro (WCAG AA >= 4.7:1) */
  --gold-text-on-light: #8A5D10;

  /* Bordas e Divisórias */
  --border-gold: rgba(240, 197, 91, 0.38);
  --border-gold-subtle: rgba(240, 197, 91, 0.16);
  --border-on-light: rgba(21, 21, 21, 0.11);

  /* Tipografia */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Espaçamento e Layout */
  --container-max: 1120px;
  --narrow-max: 760px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-btn: 10px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  background-color: var(--bg-primary);
  color: var(--text-on-dark);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* Foco acessível para navegação por teclado */
:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
}

.section-ivory :focus-visible {
  outline: 2px solid var(--text-on-light);
  outline-offset: 3px;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

/* Destaques em dourado vivo */
.text-gold {
  color: var(--gold);
}

/* Título Principal com Gradiente Dourado Estático e Sutil */
.hero__title .text-gold {
  color: var(--gold);
  background: linear-gradient(110deg, #FFE8A3 0%, #F0C55B 55%, #DCA333 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Barra Editorial Superior */
.top-bar {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-gold-subtle);
  padding: 0.75rem 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-dark-secondary);
}

.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.top-bar__tag {
  color: var(--gold);
  font-weight: 600;
}

.top-bar__author {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-on-dark);
}

/* Seções Base */
.section-dark {
  background-color: var(--bg-primary);
  color: var(--text-on-dark);
  padding: 4.25rem 0;
  border-bottom: 1px solid var(--border-gold-subtle);
}

.section-ivory {
  background-color: var(--warm-white);
  color: var(--text-on-light);
  padding: 4.25rem 0;
  border-bottom: 1px solid var(--border-on-light);
}

/* Tipografia Editorial */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.eyebrow--dark {
  color: var(--gold-text-on-light);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--text-on-dark-secondary);
  margin-bottom: 2.25rem;
  max-width: 60ch;
}

/* Prosa enxuta (parágrafos curtos de leitura rápida) */
.prose p {
  font-size: 1.06rem;
  color: var(--text-on-light-secondary);
  margin-bottom: 1.1rem;
  max-width: 62ch;
}

.prose strong {
  color: var(--text-on-light);
  font-weight: 600;
}

.prose--on-dark p {
  color: var(--text-on-dark-secondary);
}

.prose--on-dark strong {
  color: var(--text-on-dark);
}

/* SEÇÃO 1 — HERO */
.hero {
  position: relative;
  padding: 3rem 0 4.5rem;
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(circle at 50% 78%, rgba(240, 197, 91, 0.08) 0%, rgba(240, 197, 91, 0.025) 38%, transparent 68%),
    radial-gradient(circle at 50% 42%, rgba(240, 197, 91, 0.055) 0%, transparent 52%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.05rem, 5vw, 3.35rem);
  font-weight: 600;
  line-height: 1.12;
  color: var(--text-on-dark);
  margin-bottom: 1.25rem;
}

.hero__subheadline p {
  font-size: clamp(1.02rem, 1.9vw, 1.14rem);
  color: var(--text-on-dark-secondary);
  margin-bottom: 0.9rem;
  max-width: 58ch;
}

.hero__emotional-line {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.4rem);
  font-style: italic;
  color: var(--text-on-dark);
  border-left: 2px solid var(--gold);
  padding-left: 1rem;
  margin: 1.35rem 0 1.85rem;
  max-width: 52ch;
}

.hero__offer-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.85rem;
}

.hero__price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem 1rem;
}

.hero__price-value {
  font-family: var(--font-serif);
  font-size: 2.35rem;
  font-weight: 700;
  color: var(--text-on-dark);
  line-height: 1;
}

.hero__price-meta {
  font-size: 0.9rem;
  color: var(--gold);
  font-weight: 500;
}

.hero__microcopy {
  font-size: 0.82rem;
  color: var(--text-on-dark-secondary);
}

/* Botões Principais com Borda Luminosa Animada (1.5px) */
@keyframes cta-border-sweep {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1.1rem 2.15rem;
  border-radius: var(--radius-btn);
  min-height: 56px;
  cursor: pointer;
  border: none;
  text-align: center;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.btn--gold {
  background: linear-gradient(110deg, #F0C55B 0%, #FFE09A 50%, #E4AE3D 100%);
  color: #111111;
  box-shadow:
    0 0 16px rgba(240, 197, 91, 0.16),
    0 8px 24px rgba(0, 0, 0, 0.25),
    inset 0 0 0 1px rgba(255, 232, 163, 0.45);
}

.btn--gold::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 50%;
  left: 50%;
  width: 240%;
  aspect-ratio: 1 / 1;
  background: conic-gradient(
    from 0deg,
    rgba(188, 133, 37, 0.45) 0deg,
    rgba(240, 197, 91, 0.65) 250deg,
    #FFE8A3 310deg,
    #FFFDF8 332deg,
    #FFE8A3 348deg,
    rgba(188, 133, 37, 0.45) 360deg
  );
  transform: translate(-50%, -50%) rotate(0deg);
  animation: cta-border-sweep 5s linear infinite;
  pointer-events: none;
}

.btn--gold::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 1.5px;
  border-radius: calc(var(--radius-btn) - 1.5px);
  background: linear-gradient(110deg, #F0C55B 0%, #FFE09A 50%, #E4AE3D 100%);
  pointer-events: none;
  transition: filter 0.22s ease;
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 22px rgba(240, 197, 91, 0.26),
    0 12px 28px rgba(0, 0, 0, 0.38);
}

.btn--gold:hover::after {
  filter: brightness(1.05);
}

.btn--gold:active {
  transform: translateY(0);
  box-shadow:
    0 0 12px rgba(240, 197, 91, 0.14),
    0 4px 14px rgba(0, 0, 0, 0.3);
}

.btn--gold:active::after {
  filter: brightness(0.98);
}

.btn--large {
  width: 100%;
  max-width: 420px;
  font-size: 0.98rem;
  padding: 1.2rem 2rem;
}

/* Destaque do Livro na Primeira Dobra */
.book-showcase {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}

.book-showcase::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  width: 115%;
  height: 115%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(240, 197, 91, 0.12) 0%, rgba(240, 197, 91, 0.04) 45%, transparent 72%);
  pointer-events: none;
}

.book-mockup-card {
  position: relative;
  width: 100%;
  max-width: 340px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(240, 197, 91, 0.42);
  background-color: var(--bg-secondary);
  box-shadow:
    0 0 36px rgba(240, 197, 91, 0.1),
    0 26px 60px rgba(0, 0, 0, 0.82);
}

.book-mockup-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  object-position: center 45%;
}

/* SEÇÃO 2 — IDENTIFICAÇÃO: 3 CARDS COMPACTOS COM RESPIRO */
.mirror-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin: 2.25rem 0;
}

.mirror-card {
  background-color: var(--warm-white-subtle);
  border-left: 3px solid var(--gold-deep);
  padding: 1.5rem 1.4rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.mirror-card__num {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold-text-on-light);
  margin-bottom: 0.35rem;
}

.mirror-card__title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-on-light);
  line-height: 1.2;
  margin-bottom: 0.45rem;
}

.mirror-card__text {
  font-size: 0.98rem;
  color: var(--text-on-light-secondary);
}

.impact-statement {
  margin-top: 2rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--border-on-light);
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.8vw, 1.7rem);
  line-height: 1.32;
  color: var(--text-on-light);
}

.impact-statement p + p {
  margin-top: 0.35rem;
}

/* SEÇÃO 3 — QUEBRA DE CRENÇA */
.highlight-box-dark {
  margin-top: 2rem;
  padding: 1.6rem 1.5rem;
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.8vw, 1.7rem);
  line-height: 1.32;
  color: var(--text-on-dark);
}

.highlight-box-dark p + p {
  margin-top: 0.35rem;
}

/* SEÇÃO 4 — STORYTELLING */
.story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.story-title {
  font-size: clamp(1.7rem, 3.6vw, 2.45rem);
  line-height: 1.18;
}

.story-title__sub {
  display: inline-block;
  margin-top: 0.4rem;
  color: var(--gold-text-on-light);
}

.story-connection {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-on-light);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.4vw, 1.5rem);
  font-weight: 700;
  color: var(--text-on-light);
  line-height: 1.32;
}

.story-visual {
  display: flex;
  justify-content: center;
}

/* SEÇÃO 5 — BENEFÍCIOS: 4 CARDS LIMPOS */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.benefit-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-gold-subtle);
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius-sm);
}

.benefit-card__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.benefit-card__title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text-on-dark);
  line-height: 1.2;
  margin-bottom: 0.55rem;
}

.benefit-card__text {
  font-size: 0.96rem;
  color: var(--text-on-dark-secondary);
}

.section-cta-center {
  margin-top: 2.75rem;
  display: flex;
  justify-content: center;
}

/* SEÇÃO 6 — EXPERIÊNCIA DO LIVRO FÍSICO */
.physical-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.physical-highlights {
  list-style: none;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-on-light);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.physical-highlights li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-on-light);
}

.physical-highlights__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--gold-deep);
  flex-shrink: 0;
}

.physical-visual {
  display: flex;
  justify-content: center;
}

.physical-img {
  width: 100%;
  max-width: 340px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-on-light);
  box-shadow: 0 20px 44px rgba(8, 8, 8, 0.16);
}

/* SEÇÃO 7 — AMOSTRA DE LEITURA (2 TRECHOS VERIFICADOS) */
.excerpts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

.excerpt-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-gold);
  padding: 2rem 1.65rem;
  border-radius: var(--radius-sm);
}

.excerpt-card__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.excerpt-card__quote {
  font-family: var(--font-serif);
  font-size: clamp(1.22rem, 2.4vw, 1.48rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--text-on-dark);
  margin-bottom: 0.9rem;
}

.excerpt-card__meta {
  font-size: 0.85rem;
  color: var(--text-on-dark-secondary);
}

.excerpts-transition {
  margin-top: 1.75rem;
}

/* SEÇÃO 8 — AUTORIDADE E CONFIANÇA */
.author-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.author-photo-wrap {
  display: flex;
  justify-content: center;
}

.author-photo {
  width: 100%;
  max-width: 330px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 72%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.author-section-heading {
  font-size: clamp(1.65rem, 3.2vw, 2.2rem);
  margin-bottom: 1rem;
}

.author-identity {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-on-light);
}

.author-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-on-light);
  line-height: 1.1;
}

.author-credentials {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gold-text-on-light);
  margin-top: 0.25rem;
}

.author-closing {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-on-light);
  font-family: var(--font-serif);
  font-size: clamp(1.22rem, 2.3vw, 1.42rem);
  color: var(--text-on-light);
  line-height: 1.35;
}

.author-closing p + p {
  margin-top: 0.25rem;
}

/* SEÇÃO 10 — A OFERTA PRINCIPAL (CARD PREMIUM COMPACTO E EXPRESSIVO) */
.offer-section {
  background-color: var(--bg-primary);
  background-image: radial-gradient(circle at 50% 60%, rgba(240, 197, 91, 0.07) 0%, transparent 62%);
}

.offer-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-gold);
  padding: 2.5rem 1.35rem;
  text-align: center;
  box-shadow:
    0 0 36px rgba(240, 197, 91, 0.07),
    0 24px 60px rgba(0, 0, 0, 0.75);
  border-radius: var(--radius-md);
}

.offer-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.95rem, 4.2vw, 2.85rem);
  line-height: 1.14;
  color: var(--text-on-dark);
  margin-bottom: 0.65rem;
}

.offer-card__subtitle {
  color: var(--text-on-dark-secondary);
  font-size: 1rem;
  max-width: 54ch;
  margin: 0 auto 2rem;
}

.offer-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
  text-align: left;
}

.offer-book-visual {
  display: flex;
  justify-content: center;
}

.offer-book-img {
  width: 100%;
  max-width: 240px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.65);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 45%;
}

.offer-includes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.offer-includes__label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.offer-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-gold-subtle);
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius-sm);
}

.offer-item__title {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--gold);
  margin-bottom: 0.35rem;
}

.offer-item__desc {
  font-size: 0.9rem;
  color: var(--text-on-dark-secondary);
  line-height: 1.5;
}

.offer-pricing {
  text-align: center;
  padding: 1.35rem 0;
  border-top: 1px solid var(--border-gold-subtle);
  border-bottom: 1px solid var(--border-gold-subtle);
  margin-bottom: 1.5rem;
}

.offer-pricing__main {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.3rem;
}

.offer-pricing__currency {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--gold);
}

.offer-pricing__amount {
  font-family: var(--font-serif);
  font-size: clamp(3.4rem, 8vw, 4.6rem);
  font-weight: 700;
  color: var(--text-on-dark);
  line-height: 1;
}

.offer-pricing__shipping {
  font-size: 0.92rem;
  color: var(--text-on-dark-secondary);
  margin-top: 0.5rem;
}

.offer-cta-wrap {
  text-align: center;
}

.offer-security {
  font-size: 0.82rem;
  color: var(--text-on-dark-secondary);
  margin-top: 0.75rem;
}

.offer-emotional-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-gold-subtle);
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.3vw, 1.4rem);
  color: var(--text-on-dark-secondary);
}

.offer-emotional-footer strong {
  color: var(--text-on-dark);
}

/* SEÇÃO 11 — FAQ */
.faq-list {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-on-light);
}

.faq-item {
  border-bottom: 1px solid var(--border-on-light);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-on-light);
  cursor: pointer;
}

.faq-question:hover {
  color: var(--gold-text-on-light);
}

.faq-icon {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  color: var(--gold-text-on-light);
  flex-shrink: 0;
  transition: transform 0.2s ease, color 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  color: var(--gold-deep);
}

.faq-answer {
  padding-bottom: 1.25rem;
  color: var(--text-on-light-secondary);
  font-size: 0.98rem;
}

.faq-link {
  color: var(--text-on-light);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* SEÇÃO 12 — FECHAMENTO EMOCIONAL E RODAPÉ */
.closing-section {
  background-color: var(--bg-primary);
  background-image: radial-gradient(circle at 50% 80%, rgba(240, 197, 91, 0.055) 0%, transparent 55%);
}

.closing-inner {
  text-align: center;
}

.closing-prose {
  max-width: 52ch;
  margin: 0 auto 1.75rem;
}

.closing-prose p {
  font-size: 1.06rem;
  color: var(--text-on-dark-secondary);
  margin-bottom: 1.1rem;
}

.closing-highlight {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-style: italic;
  font-weight: 600;
  color: var(--gold);
  max-width: 46ch;
  margin: 0 auto 1.75rem;
  line-height: 1.32;
}

.closing-price-tag {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-dark);
  margin-bottom: 1rem;
}

.site-footer {
  background-color: var(--bg-primary);
  color: var(--text-on-dark-secondary);
  padding: 2.75rem 0 5.75rem;
  font-size: 0.85rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-on-dark);
  margin-bottom: 0.5rem;
}

.footer-meta {
  margin-bottom: 0.5rem;
}

.footer-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* Barra Discreta Mobile */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(8, 8, 8, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border-gold);
  padding: 0.7rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  z-index: 90;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-sticky-bar.is-hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.mobile-sticky-bar__info {
  display: flex;
  flex-direction: column;
}

.mobile-sticky-bar__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-on-dark);
  line-height: 1.1;
}

.mobile-sticky-bar__meta {
  font-size: 0.75rem;
  color: var(--gold);
  font-weight: 600;
}

.btn--sticky {
  padding: 0.65rem 1.1rem;
  font-size: 0.78rem;
  white-space: nowrap;
  min-height: 44px;
  border-radius: 8px;
}

.btn--sticky::before {
  animation: none;
}

/* Respeito a prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn--gold::before {
    animation: none;
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .btn,
  .btn--gold::after,
  .faq-icon,
  .mobile-sticky-bar {
    transition: none;
  }
}

/* Media Queries (Tablet & Desktop) */
@media (min-width: 768px) {
  .section-dark,
  .section-ivory {
    padding: 5.5rem 0;
  }

  .hero {
    padding: 4.75rem 0 5.75rem;
    background-image:
      radial-gradient(circle at 77% 48%, rgba(240, 197, 91, 0.085) 0%, rgba(240, 197, 91, 0.03) 34%, transparent 66%),
      radial-gradient(circle at 22% 76%, rgba(240, 197, 91, 0.055) 0%, transparent 50%);
  }

  .hero__grid {
    grid-template-columns: 1.22fr 0.78fr;
    gap: 3.5rem;
  }

  .mirror-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .story-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .physical-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }

  .excerpts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .author-grid {
    grid-template-columns: 320px 1fr;
    gap: 3.5rem;
  }

  .offer-card {
    padding: 3.5rem 3rem;
  }

  .offer-showcase-grid {
    grid-template-columns: 260px 1fr;
    gap: 2.5rem;
  }

  .offer-book-img {
    max-width: 260px;
  }

  .offer-pricing,
  .offer-cta-wrap {
    text-align: left;
  }

  .mobile-sticky-bar {
    display: none;
  }

  .site-footer {
    padding: 3.25rem 0;
  }
}