/* ═══════════════════════════════════════════════════════
   O Exoesqueleto Mental — LP v2 Brutalista Editorial
   ═══════════════════════════════════════════════════════
   Princípio: Tipografia É o design.
   Scroll É a narrativa.
   Nada de template.
   ═══════════════════════════════════════════════════════ */

/* ─── FONTES ─────────────────────────────────────────── */

@font-face {
  font-family: 'Acumin Pro';
  src: url('../fonts/AcuminPro-Regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Acumin Pro';
  src: url('../fonts/AcuminPro-Medium.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Acumin Pro';
  src: url('../fonts/AcuminPro-Semibold.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Acumin Pro';
  src: url('../fonts/AcuminPro-Bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

/* ─── TOKENS ─────────────────────────────────────────── */

:root {
  --font-primary: 'Acumin Pro', system-ui, -apple-system, sans-serif;
  --font-accent:  Palatino, 'Palatino Linotype', Georgia, serif;
  --font-mono:    'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;

  /* Escala fluida — não breakpoints estáticos */
  --text-xs:    clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm:    clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base:  clamp(1rem, 0.95rem + 0.25vw, 1.05rem);
  --text-md:    clamp(1.05rem, 0.95rem + 0.5vw, 1.2rem);
  --text-lg:    clamp(1.2rem, 1rem + 1vw, 1.5rem);
  --text-xl:    clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-2xl:   clamp(1.8rem, 1.2rem + 3vw, 2.8rem);
  --text-3xl:   clamp(2.2rem, 1rem + 5vw, 4rem);
  --text-hero:  clamp(3rem, 1rem + 10vw, 8rem);

  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;

  --leading-none:    1;
  --leading-tight:   1.1;
  --leading-snug:    1.25;
  --leading-normal:  1.6;
  --leading-relaxed: 1.75;

  --tracking-tighter: -0.04em;
  --tracking-tight:   -0.02em;
  --tracking-normal:   0;
  --tracking-wide:     0.03em;
  --tracking-wider:    0.08em;

  /* Cores */
  --teal:         #2d4a3e;
  --teal-light:   #3d6b5a;
  --teal-dark:    #1e3329;
  --teal-muted:   rgba(45, 74, 62, 0.08);
  --teal-ghost:   rgba(45, 74, 62, 0.04);

  --copper:       #b87333;
  --copper-light: #d4945a;
  --copper-dark:  #8f5a28;
  --copper-muted: rgba(184, 115, 51, 0.15);

  --cream:        #f8f5f0;
  --cream-warm:   #f5f1eb;

  --text-primary:   #1a1a1a;
  --text-secondary: #444;
  --text-tertiary:  #666;
  --text-muted:     #888;
  --text-inverse:   #f8f5f0;

  --bg-white:     #ffffff;
  --bg-cream:     #f8f5f0;
  --bg-teal:      #2d4a3e;
  --bg-teal-dark: #1a332a;

  --success:       #2d6b4a;
  --success-light: #e8f5ee;
  --error:         #c44536;

  --border-subtle: #e5e0d8;
  --border-medium: #d0cbc3;

  /* Espaçamento */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --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;
  --space-40: 10rem;

  --section-x: clamp(1.5rem, 4vw, 4rem);
  --container-max: 1100px;
  --container-narrow: 720px;

  /* Sombras */
  --shadow-md: 0 4px 12px rgba(45, 74, 62, 0.06);

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast:      120ms;
  --dur-normal:    250ms;
  --dur-slow:      500ms;
}

/* ─── RESET ──────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .parallax { transform: none !important; }
}

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

/* ─── GRAIN TEXTURE (global) ─────────────────────────── */

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 256px;
}

/* ─── SCROLL REVEAL ──────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* ─── BOTÕES ─────────────────────────────────────────── */

.btn {
  font-family: var(--font-primary);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  line-height: 1;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 2px solid transparent;
  border-radius: 0;  /* brutalist — sem radius */
  padding: var(--space-4) var(--space-8);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-out-expo);
  min-height: 52px;
  white-space: nowrap;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-size: var(--text-sm);
}

.btn--primary {
  background: var(--teal);
  color: var(--text-inverse);
  border-color: var(--teal);
}
.btn--primary:hover {
  background: var(--teal-light);
  border-color: var(--teal-light);
  letter-spacing: 0.15em;
}
.btn--primary:active {
  background: var(--teal-dark);
  transform: translateY(1px);
}

.btn--secondary {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn--secondary:hover {
  background: var(--teal);
  color: var(--text-inverse);
}

.btn--ghost {
  background: transparent;
  color: var(--teal);
  border: none;
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  text-transform: none;
  letter-spacing: var(--tracking-normal);
  font-weight: var(--weight-medium);
}
.btn--ghost:hover { opacity: 0.7; }

.btn--full { width: 100%; }
.btn--on-dark { background: var(--cream); color: var(--teal); border-color: var(--cream); }
.btn--on-dark:hover { background: #fff; letter-spacing: 0.15em; }

.btn.is-loading { pointer-events: none; opacity: 0.6; }
.btn.is-loading::after {
  content: ''; width: 14px; height: 14px;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%; animation: spin 0.6s linear infinite;
  margin-left: var(--space-2);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── FORMULÁRIO ─────────────────────────────────────── */

.lp-form__group { margin-bottom: var(--space-4); }

.lp-form__input {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  width: 100%;
  padding: var(--space-4);
  border: 2px solid var(--border-medium);
  border-radius: 0;  /* brutalist */
  background: var(--bg-white);
  color: var(--text-primary);
  min-height: 52px;
  transition: border-color var(--dur-fast) var(--ease-out-expo);
}
.lp-form__input::placeholder { color: var(--text-muted); }
.lp-form__input:focus {
  outline: none;
  border-color: var(--teal);
}
.lp-form__input.is-error { border-color: var(--error); }
.lp-form__input.is-success { border-color: var(--success); }

.lp-form__feedback {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  min-height: 1.2em;
}
.lp-form__feedback--hint { color: var(--text-tertiary); }
.lp-form__feedback--error { color: var(--error); }
.lp-form__feedback--success {
  background: var(--success-light); border-left: 4px solid var(--success);
  padding: var(--space-4); color: var(--success); font-weight: var(--weight-medium);
}

/* ═══════════════════════════════════════════════════════
   HEADER — Minimal, brutalist
   ═══════════════════════════════════════════════════════ */

.lp-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--space-4) var(--section-x);
  transition: background var(--dur-normal) var(--ease-out-expo);
  mix-blend-mode: normal;
}

.lp-header.is-scrolled {
  background: rgba(248, 245, 240, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.lp-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lp-header__logo {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--teal);
  text-decoration: none;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity var(--dur-fast);
}
.lp-header__logo:hover { opacity: 1; }

/* ═══════════════════════════════════════════════════════
   HERO — Tipografia massiva, full viewport
   O "22h47" É o design. Não o acompanha.
   ═══════════════════════════════════════════════════════ */

.lp-hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: var(--space-32) var(--section-x) var(--space-20);
  position: relative;
  overflow: hidden;
  background: var(--bg-cream);
}

/* Número gigante no fundo — o gesto brutalista */
.lp-hero__bg-number {
  position: absolute;
  top: 8%;
  right: -2%;
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: clamp(10rem, 35vw, 28rem);
  line-height: 0.85;
  color: rgba(45, 74, 62, 0.04);
  letter-spacing: var(--tracking-tighter);
  user-select: none;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

.lp-hero__container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: end;
}

.lp-hero__time {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--copper-dark);
  margin-bottom: var(--space-4);
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--ease-out-expo) 0.2s forwards;
}

.lp-hero__scene {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-hero);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  color: var(--text-primary);
  max-width: 14ch;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--ease-out-expo) 0.4s forwards;
}

.lp-hero__body {
  max-width: 480px;
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--ease-out-expo) 0.7s forwards;
}

.lp-hero__body p {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.lp-hero__resolution {
  font-weight: var(--weight-bold);
  color: var(--teal) !important;
  font-size: var(--text-lg) !important;
  margin-bottom: var(--space-8) !important;
}

.lp-hero__cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

.lp-hero__micro {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wide);
}

/* Capa do livro — coluna direita do grid */
.lp-hero__book {
  display: none; /* mobile: esconde */
  will-change: transform;
}
.lp-hero__book img {
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 16px 32px rgba(45, 74, 62, 0.18));
  transform: rotate(-2deg);
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (min-width: 1024px) {
  .lp-hero {
    padding-bottom: var(--space-20);
  }
  .lp-hero__container {
    max-width: var(--container-max);
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }
  /* Headline escala pra caber na coluna de texto */
  .lp-hero__scene {
    font-size: clamp(3rem, 6vw, 5.5rem);
  }
  .lp-hero__book {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .lp-hero__book img {
    max-width: 340px;
    /* Efeito 3D — perspectiva lateral simulando profundidade */
    transform: perspective(1200px) rotateY(-12deg) rotateX(2deg) rotate(-1deg);
    filter: drop-shadow(-16px 20px 40px rgba(45, 74, 62, 0.28));
  }
}

/* ═══════════════════════════════════════════════════════
   PROBLEMA — Sequência editorial vertical
   Não cards. Não grid 3x3. Uma lista crua.
   ═══════════════════════════════════════════════════════ */

.lp-problem {
  padding: var(--space-24) var(--section-x);
  background: var(--bg-white);
  border-top: 1px solid var(--border-subtle);
}

.lp-problem__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.lp-problem__header {
  margin-bottom: var(--space-16);
}

.lp-problem__title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-2xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

/* Cada dor é uma faixa horizontal */
.pain-strip {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6) var(--space-8);
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
}

.pain-strip:first-of-type {
  border-top: 1px solid var(--border-subtle);
}

.pain-strip__number {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: 1;
  color: var(--copper-muted);
  letter-spacing: var(--tracking-tighter);
  opacity: 0.5;
}

.pain-strip__content {
  max-width: 540px;
}

.pain-strip__title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.pain-strip__text {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

/* Resolução — peso visual máximo */
.lp-problem__resolution {
  margin-top: var(--space-16);
  padding-left: var(--space-8);
  border-left: 4px solid var(--copper);
}

.lp-problem__resolution p {
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--text-secondary);
}

.lp-problem__resolution strong {
  display: block;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--teal);
  margin-top: var(--space-2);
}

/* ═══════════════════════════════════════════════════════
   MÉTODO — Seção escura. Sticky scroll.
   O momento em que a página "vai fundo".
   ═══════════════════════════════════════════════════════ */

.lp-method {
  background: var(--bg-teal-dark);
  color: var(--text-inverse);
  position: relative;
}

/* Borda cobre no topo — assinatura */
.lp-method::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--copper);
}

/* Wrapper sticky: a viewport "fica aqui" enquanto o conteúdo muda */
.lp-method__sticky {
  position: sticky;
  top: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-16) var(--section-x);
}

.lp-method__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.lp-method__title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
}

.lp-method__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  color: rgba(248, 245, 240, 0.5);
  text-transform: uppercase;
  margin-bottom: var(--space-12);
}

/* Sistema individual */
.system-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-6);
  padding: var(--space-8) 0;
  border-top: 1px solid rgba(248, 245, 240, 0.1);
  opacity: 0.3;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease-out-expo), transform 0.5s var(--ease-out-expo);
}

.system-card.is-active {
  opacity: 1;
  transform: translateY(0);
}

.system-card__label {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-size: var(--text-2xl);
  line-height: 1;
  grid-row: 1 / 3;
  align-self: start;
  letter-spacing: var(--tracking-tighter);
}

.system-card__label--s0 { color: rgba(248, 245, 240, 0.3); }
.system-card__label--s1 { color: var(--copper); }
.system-card__label--s2 { color: rgba(248, 245, 240, 0.3); }

.system-card__name {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  color: var(--text-inverse);
}

.system-card__desc {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: rgba(248, 245, 240, 0.65);
  grid-column: 2;
  max-width: 480px;
}

/* Maestro — conclusão */
.method-maestro {
  margin-top: var(--space-12);
  padding: var(--space-8);
  border: 1px solid rgba(248, 245, 240, 0.15);
  text-align: center;
}

.method-maestro__text {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
}

.method-maestro__text em {
  font-style: normal;
  color: var(--copper-light);
}

.method-maestro__sub {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  color: rgba(248, 245, 240, 0.5);
}

.lp-method__cta {
  margin-top: var(--space-10);
  text-align: center;
}

/* Spacer que dá "altura" pro scroll rolar pela seção sticky */
.lp-method__scroll-space {
  height: 120vh;
  pointer-events: none;
}

/* Mobile: não usa sticky (performance), mostra todos */
@media (max-width: 1023px) {
  .lp-method__sticky { position: relative; min-height: auto; }
  .lp-method__scroll-space { display: none; }
  .system-card { opacity: 1; transform: none; }
}

/* ═══════════════════════════════════════════════════════
   DIAGNÓSTICO OROCO — Lead magnet. Respiro. Foco total.
   ═══════════════════════════════════════════════════════ */

.lp-diagnostico {
  padding: var(--space-32) var(--section-x);
  background: var(--bg-cream);
  position: relative;
}

.lp-diagnostico__container {
  max-width: 860px;
  margin: 0 auto;
}

.lp-diagnostico__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--copper-dark);
  margin-bottom: var(--space-4);
}

.lp-diagnostico__title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.lp-diagnostico__subtitle {
  font-size: var(--text-md);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
  max-width: 480px;
  margin-bottom: var(--space-12);
}

.lp-diagnostico__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

.lp-diagnostico__benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-left: var(--space-6);
  border-left: 2px solid var(--copper-muted);
}

.lp-diagnostico__benefits li {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
}

.lp-diagnostico__benefits strong {
  display: block;
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}

/* Form — minimal, wide */
.lp-diagnostico__form-wrapper {
  max-width: 480px;
  width: 100%;
}

.lp-diagnostico__form-row {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.lp-diagnostico__form-row .lp-form__input {
  width: 100%;
  border-bottom: none;
}

.lp-diagnostico__form-row .btn {
  width: 100%;
}

/* Desktop: 2 colunas */
@media (min-width: 1024px) {
  .lp-diagnostico__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

/* ═══════════════════════════════════════════════════════
   PROVA SOCIAL — Uma citação por vez. Grande. Crua.
   ═══════════════════════════════════════════════════════ */

.lp-social {
  padding: var(--space-24) var(--section-x);
  background: var(--bg-white);
  border-top: 1px solid var(--border-subtle);
}

.lp-social__container {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.lp-social__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-12);
}

/* Cada quote é uma unidade editorial */
.quote-block {
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--border-subtle);
}
.quote-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.quote-block__text {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.quote-block__cite {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (min-width: 1024px) {
  .quote-block__text { font-size: var(--text-2xl); }
}

/* ═══════════════════════════════════════════════════════
   LIVRO — Spread editorial
   ═══════════════════════════════════════════════════════ */

.lp-book {
  padding: var(--space-24) var(--section-x);
  background: var(--bg-cream);
  border-top: 1px solid var(--border-subtle);
}

.lp-book__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.lp-book__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.lp-book__visual {
  display: flex;
  justify-content: center;
}

.lp-book__visual img {
  max-width: 260px;
  filter: drop-shadow(0 20px 40px rgba(45, 74, 62, 0.2));
  will-change: transform;
}

.lp-book__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.lp-book__title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-2xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.lp-book__tagline {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--text-tertiary);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.lp-book__features {
  list-style: none;
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lp-book__features li {
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-secondary);
  padding-left: var(--space-4);
  border-left: 2px solid var(--border-subtle);
}

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

.lp-book__price {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.lp-book__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
}

@media (min-width: 1024px) {
  .lp-book__grid {
    grid-template-columns: 1fr 1.6fr;
    gap: var(--space-16);
  }
}

/* ═══════════════════════════════════════════════════════
   AUTOR — Minimal, editorial
   ═══════════════════════════════════════════════════════ */

.lp-author {
  padding: var(--space-16) var(--section-x);
  background: var(--bg-white);
  border-top: 1px solid var(--border-subtle);
}

.lp-author__container {
  max-width: var(--container-narrow);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: flex-start;
}

.lp-author__photo img {
  width: 112px; height: 112px;
  border-radius: 50%;
  border: 2px solid var(--border-subtle);
  object-fit: cover;
  background: var(--teal-muted);
  filter: grayscale(0.3);
}

.lp-author__name {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-2);
}

.lp-author__bio {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  text-wrap: pretty; /* evita viúvas — Chrome 117+, Firefox 121+ */
}

.lp-author__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-muted);
  padding-bottom: 2px;
  transition: border-color var(--dur-fast);
}
.lp-author__link:hover { border-color: var(--copper); }

@media (min-width: 640px) {
  .lp-author__container {
    flex-direction: row;
    gap: var(--space-8);
  }
  .lp-author__photo { flex-shrink: 0; }
}

/* ═══════════════════════════════════════════════════════
   FOOTER — Escuro, mínimo
   ═══════════════════════════════════════════════════════ */

.lp-footer {
  padding: var(--space-10) var(--section-x);
  background: var(--bg-teal-dark);
  border-top: 1px solid rgba(248, 245, 240, 0.06);
}

.lp-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.lp-footer__brand {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(248, 245, 240, 0.3);
}

.lp-footer__links {
  display: flex;
  gap: var(--space-6);
}

.lp-footer__links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(248, 245, 240, 0.3);
  text-decoration: none;
  transition: color var(--dur-fast);
}
.lp-footer__links a:hover { color: var(--copper-light); }

/* ═══════════════════════════════════════════════════════
   OBRIGADO.HTML
   ═══════════════════════════════════════════════════════ */

.thanks-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-24) var(--section-x);
  background: var(--bg-cream);
}

.thanks-page__inner {
  max-width: 540px;
  margin: 0 auto;
}

.thanks-page__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: var(--space-6);
}

.thanks-page__title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

.thanks-page__body {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.thanks-page__tips {
  padding: var(--space-6);
  border-left: 4px solid var(--copper);
  background: var(--bg-white);
  margin-bottom: var(--space-12);
}

.thanks-page__tips p {
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
  color: var(--text-primary);
}

.thanks-page__tips ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.thanks-page__tips li {
  font-size: var(--text-base);
  color: var(--text-secondary);
}
.thanks-page__tips li::before {
  content: '→ ';
  color: var(--copper);
  font-weight: var(--weight-bold);
}

.thanks-page__divider {
  width: 40px;
  height: 2px;
  background: var(--copper);
  margin-bottom: var(--space-8);
}

.thanks-page__book-title {
  font-family: var(--font-primary);
  font-weight: var(--weight-bold);
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.thanks-page__book-body {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.thanks-page__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-3);
}

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--copper);
  z-index: 200;
  transition: width 50ms linear;
}