:root {
    --azul-profundo: #1E3A5F;
    --azul-medio: #2A4F7C;
    --azul-suave: #EEF3F9;
    --dourado-ambar: #C4832A;
    --dourado-claro: #E8A84A;
    --branco-creme: #F7F3EE;
    --branco-puro: #FFFFFF;
    --verde-musgo: #4A6741;
    --verde-claro: #EBF2E8;
    --grafite-quente: #3A3530;
    --cinza-suave: #E8E4DF;
    --cinza-medio: #8A8480;

    --font-titulo: 'Anton', sans-serif;
    --font-subtitulo: 'Playfair Display', serif;
    --font-corpo: 'Lora', serif;
    --font-badge: 'Montserrat', sans-serif;

    --section-padding: 110px 0;
    --container-max: 1200px;
    --border-radius: 4px;
    --border-radius-badge: 8px;
    --border-radius-card: 12px;

    --sombra-card: 0 4px 24px rgba(30,58,95,0.12);
    --sombra-card-hover: 0 16px 48px rgba(30,58,95,0.22);
    --sombra-livro: -8px 16px 48px rgba(0,0,0,0.45), 8px 8px 24px rgba(0,0,0,0.22), inset -4px 0 12px rgba(0,0,0,0.3);
    --sombra-cta: 0 8px 32px rgba(196,131,42,0.45);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: var(--font-corpo);
    color: var(--grafite-quente);
    background: var(--branco-puro);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    overflow-x: hidden;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }

  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
  }

  .eyebrow {
    font-family: var(--font-badge);
    font-weight: 800;
    color: var(--dourado-ambar);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    margin: 0 0 20px;
  }
  .h-anton { font-family: var(--font-titulo); font-weight: 400; line-height: 1.05; letter-spacing: 0.005em; margin: 0; }
  .h-playfair { font-family: var(--font-subtitulo); font-weight: 700; line-height: 1.15; margin: 0; }

  /* ───────── ANNOUNCEMENT BANNER ───────── */
  .announce {
    background: var(--dourado-ambar);
    color: var(--branco-puro);
    text-align: center;
    padding: 10px 20px;
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    position: relative;
    z-index: 200;
  }
  .announce-dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--branco-puro);
    animation: blink 1.6s ease-in-out infinite;
    vertical-align: middle;
    margin-right: 10px;
  }
  @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.25} }

  /* ───────── NAV ───────── */
  .nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 60px;
    background: rgba(30,58,95,0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(196,131,42,0.25);
    z-index: 100;
    transform: translateY(-100%);
    transition: transform 400ms cubic-bezier(0.4,0,0.2,1);
  }
  .nav.is-visible { transform: translateY(0); }
  .nav__inner {
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav__logo {
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-weight: 700;
    color: var(--dourado-ambar);
    font-size: 16px;
  }
  .nav__cta {
    font-family: var(--font-badge);
    font-weight: 800;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--branco-puro);
    background: var(--dourado-ambar);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    transition: background 200ms ease, transform 200ms ease;
  }
  .nav__cta:hover { background: #b3761f; transform: scale(1.03); }

  /* ───────── BUTTONS ───────── */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-badge);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: none;
    transition: transform 200ms ease, background 200ms ease, box-shadow 200ms ease;
  }
  .btn--primary {
    background: var(--dourado-ambar);
    color: var(--branco-puro);
    padding: 20px 40px;
    font-size: 14px;
    box-shadow: var(--sombra-cta);
  }
  .btn--primary:hover { background: #b3761f; transform: translateY(-2px); box-shadow: 0 16px 48px rgba(196,131,42,0.55); }
  .btn--xl { padding: 24px 52px; font-size: 16px; }
  .btn--ghost {
    background: transparent;
    color: var(--branco-creme);
    border: 1.5px solid rgba(196,131,42,0.55);
    padding: 16px 28px;
    font-size: 12px;
  }
  .btn--ghost:hover { background: var(--dourado-ambar); color: var(--branco-puro); transform: translateY(-2px); }

  /* ───────── BOOK IMAGE ───────── */
  .book-img {
    position: relative;
    transform: perspective(800px) rotateY(-8deg) rotate(2deg);
    box-shadow: var(--sombra-livro);
    border-radius: 3px 6px 6px 3px;
    transition: transform 500ms cubic-bezier(0.4,0,0.2,1), box-shadow 500ms ease;
    overflow: hidden;
    max-width: 360px;
    margin-left: auto;
  }
  .book-img:hover {
    transform: perspective(800px) rotateY(-2deg) rotate(0deg) translateY(-6px);
    box-shadow: -12px 32px 72px rgba(0,0,0,0.5), 8px 8px 28px rgba(0,0,0,0.25), inset -4px 0 12px rgba(0,0,0,0.3);
  }
  .book-img::before {
    content: "";
    position: absolute; top:0; bottom:0; left:0;
    width: 22px;
    background: linear-gradient(90deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.08) 60%, rgba(255,255,255,0.04) 100%);
    pointer-events: none; z-index: 2;
  }
  .book-img img { width: 100%; height: auto; display: block; }

  /* ───────── HERO ───────── */
  .hero {
    position: relative;
    background: linear-gradient(150deg, #152d4d 0%, #1E3A5F 40%, #2A4F7C 100%);
    color: var(--branco-puro);
    padding: 120px 0 100px;
    overflow: hidden;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .hero::before {
    content: "";
    position: absolute; inset: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.4 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/></svg>");
    opacity: 0.032; pointer-events: none;
  }
  .hero__glow {
    position: absolute;
    top: -160px; right: -120px;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(232,168,74,0.26) 0%, rgba(232,168,74,0) 65%);
    pointer-events: none;
    animation: pulse 7s ease-in-out infinite;
  }
  .hero__grid {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(196,131,42,0.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(196,131,42,0.055) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 0%, transparent 100%);
  }
  .hero__accent-line {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--dourado-ambar) 30%, var(--dourado-claro) 60%, transparent 100%);
  }
  @keyframes pulse { 0%,100%{opacity:0.85; transform:scale(1)} 50%{opacity:1; transform:scale(1.1)} }

  .hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    flex: 1;
  }
  .hero h1 {
    font-family: var(--font-subtitulo);
    font-weight: 700;
    font-size: clamp(26px, 3vw, 44px);
    line-height: 1.2;
    margin: 0 0 22px;
    text-wrap: balance;
  }
  .hero h1 em { font-style: italic; color: var(--dourado-claro); }
  .hero__line {
    height: 3px;
    background: linear-gradient(90deg, var(--dourado-ambar), var(--dourado-claro));
    width: 0;
    margin: 22px 0;
    animation: lineGrow 900ms cubic-bezier(0.4,0,0.2,1) 300ms forwards;
    border-radius: 2px;
  }
  @keyframes lineGrow { to { width: 120px; } }
  .hero__sub {
    font-family: var(--font-corpo);
    font-style: italic;
    font-size: 18px;
    color: rgba(247,243,238,0.88);
    line-height: 1.65;
    margin: 0 0 30px;
  }
  .hero__sub strong { font-style: normal; color: var(--branco-puro); font-weight: 600; }
  .hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
  .hero__derisker {
    font-size: 13px;
    color: rgba(247,243,238,0.6);
    margin: 0 0 22px;
    line-height: 1.55;
    font-family: var(--font-corpo);
  }
  .hero__cred {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
  }
  .hero__cred-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(247,243,238,0.7);
    padding: 5px 14px 5px 0;
    border-right: 1px solid rgba(196,131,42,0.3);
    margin-right: 14px;
  }
  .hero__cred-item:last-child { border-right: none; }
  .hero__cred-item svg { width: 13px; height: 13px; color: var(--dourado-ambar); flex-shrink: 0; }

  /* Book column */
  .hero__book-col {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }
  .book-badge {
    position: absolute;
    top: -16px; right: -14px;
    background: var(--dourado-ambar);
    color: var(--branco-puro);
    font-family: var(--font-badge);
    font-weight: 800;
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 7px 12px;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    z-index: 10;
    white-space: nowrap;
  }
  .book-badge::before {
    content: "";
    display: inline-block;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--branco-puro);
    margin-right: 7px;
    animation: blink 1.6s infinite;
    vertical-align: middle;
  }
  .book-stats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .book-stat {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(196,131,42,0.3);
    border-radius: 4px;
    padding: 8px 14px;
    text-align: center;
    min-width: 68px;
  }
  .book-stat__num {
    font-family: var(--font-titulo);
    font-size: 22px;
    color: var(--dourado-ambar);
    line-height: 1;
    display: block;
  }
  .book-stat__label {
    font-family: var(--font-badge);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(247,243,238,0.55);
    display: block;
    margin-top: 4px;
  }

  /* Scroll cue */
  .scroll-cue {
    position: absolute;
    left: 50%; bottom: 30px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 9px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(247,243,238,0.45);
    animation: cueFloat 2.8s ease-in-out infinite;
    pointer-events: none; z-index: 2;
  }
  .scroll-cue__line { width: 1px; height: 36px; background: linear-gradient(to bottom, transparent, var(--dourado-ambar)); }
  .scroll-cue__chev { width: 16px; height: 9px; color: var(--dourado-ambar); }
  @keyframes cueFloat {
    0%,100%{transform:translateX(-50%) translateY(0); opacity:0.55}
    50%{transform:translateX(-50%) translateY(10px); opacity:1}
  }

  /* ───────── SOCIAL PROOF BAR ───────── */
  .social-bar {
    background: var(--grafite-quente);
    color: var(--branco-creme);
    padding: 20px 0;
    border-top: 2px solid rgba(196,131,42,0.3);
    overflow: hidden;
  }
  .social-bar__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }
  .social-bar__item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 5px 20px;
    border-right: 1px solid rgba(255,255,255,0.1);
  }
  .social-bar__item:last-child { border-right: none; }
  .social-bar__item svg { width: 12px; height: 12px; color: var(--dourado-ambar); flex-shrink: 0; }

  /* ───────── STATS BAND ───────── */
  .stats-band {
    background: var(--azul-profundo);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
  }
  .stats-band::before {
    content: "";
    position: absolute; inset:0;
    background: linear-gradient(135deg, rgba(196,131,42,0.07) 0%, transparent 55%);
    pointer-events: none;
  }
  .stats-band__inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: relative;
  }
  .stat-item {
    text-align: center;
    padding: 22px 16px;
    border-right: 1px solid rgba(255,255,255,0.09);
  }
  .stat-item:last-child { border-right: none; }
  .stat-item__num {
    font-family: var(--font-titulo);
    font-size: clamp(38px, 5vw, 58px);
    color: var(--dourado-ambar);
    line-height: 1;
    display: block;
  }
  .stat-item__label {
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(247,243,238,0.6);
    display: block;
    margin-top: 10px;
    line-height: 1.4;
  }

  /* ───────── SECTION LABELS ───────── */
  section { position: relative; }
  .section-label {
    font-family: var(--font-badge);
    font-weight: 800;
    color: var(--dourado-ambar);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .section-label::before {
    content: "";
    display: block;
    width: 24px; height: 2px;
    background: var(--dourado-ambar);
    border-radius: 2px;
    flex-shrink: 0;
  }
  .section-label--center { justify-content: center; }
  .section-label--center::before { display: none; }

  /* ───────── PROBLEM ───────── */
  .problem {
    background: var(--branco-creme);
    padding: var(--section-padding);
    border-top: 3px solid var(--dourado-ambar);
  }
  .problem__inner { max-width: 800px; margin: 0 auto; }
  .problem__head { text-align: center; margin-bottom: 72px; }
  .problem__head h2 { font-size: clamp(28px, 3.6vw, 44px); color: var(--azul-profundo); text-wrap: balance; margin-top: 0; }
  .problem__block { margin-bottom: 60px; }
  .problem__block:last-child { margin-bottom: 0; }
  .problem__kicker {
    font-family: var(--font-badge);
    font-weight: 800;
    font-size: 10px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--dourado-ambar);
    margin: 0 0 18px;
    padding-left: 16px;
    border-left: 3px solid var(--dourado-ambar);
    display: block;
  }
  .problem__block h3 {
    font-family: var(--font-subtitulo);
    font-weight: 700;
    color: var(--azul-profundo);
    font-size: clamp(20px, 2.2vw, 28px);
    line-height: 1.3;
    margin: 0 0 24px;
    text-wrap: balance;
  }
  .problem__block p { font-size: 18px; line-height: 1.8; margin: 0 0 18px; }
  .problem__block p strong { color: var(--azul-profundo); font-weight: 700; }
  .problem__block p.lead {
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-size: 22px;
    line-height: 1.5;
    color: var(--azul-profundo);
    font-weight: 600;
  }
  .problem__hit {
    position: relative;
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-weight: 700;
    font-size: clamp(18px, 2.2vw, 24px);
    color: var(--azul-profundo);
    text-align: center;
    padding: 44px 36px;
    margin: 40px 0 0;
    background: var(--branco-puro);
    border-radius: var(--border-radius-card);
    box-shadow: var(--sombra-card);
    line-height: 1.5;
  }
  .problem__hit::before {
    content: "\201C";
    position: absolute;
    top: -20px; left: 20px;
    font-family: var(--font-subtitulo);
    font-size: 100px;
    color: var(--dourado-ambar);
    opacity: 0.13;
    line-height: 1;
    font-style: italic;
  }
  .problem__distinction {
    background: var(--branco-puro);
    border: 1px solid var(--cinza-suave);
    border-radius: var(--border-radius-card);
    padding: 44px 40px;
    margin-top: 44px;
    box-shadow: var(--sombra-card);
  }
  .problem__compare { display: grid; grid-template-columns: 1fr 1fr; margin: 28px 0 0; }
  .problem__compare > div { padding: 22px 26px; }
  .problem__compare > div:first-child { border-right: 1px solid var(--cinza-suave); }
  .compare__label {
    font-family: var(--font-badge);
    font-weight: 800;
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin: 0 0 12px;
    display: block;
  }
  .compare__a .compare__label { color: var(--cinza-medio); }
  .compare__b .compare__label { color: var(--verde-musgo); }
  .compare__text { font-size: 16px; line-height: 1.7; margin: 0; }
  .compare__b .compare__text { color: var(--azul-profundo); font-weight: 500; }
  .problem__punch {
    text-align: center;
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-weight: 700;
    color: var(--azul-profundo);
    font-size: 21px;
    line-height: 1.5;
    margin: 36px 0 0;
    text-wrap: balance;
  }

  /* ───────── SOLUTION ───────── */
  .solution {
    background: var(--branco-puro);
    padding: var(--section-padding);
    position: relative;
  }
  .solution::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--azul-profundo), var(--dourado-ambar), var(--azul-profundo));
  }
  .solution__head { max-width: 840px; margin: 0 auto 64px; text-align: center; }
  .solution__head h2 { font-size: clamp(28px, 3.6vw, 44px); color: var(--azul-profundo); text-wrap: balance; margin: 0 0 24px; }
  .solution__head p { font-size: 18px; line-height: 1.75; margin: 0 auto; max-width: 700px; }
  .parts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 22px; }
  .part-card {
    background: var(--azul-suave);
    border-radius: var(--border-radius-card);
    padding: 40px 32px;
    border-top: 4px solid var(--dourado-ambar);
    transition: box-shadow 300ms ease, transform 300ms ease;
    position: relative;
    overflow: hidden;
  }
  .part-card::after {
    content: "";
    position: absolute;
    bottom: -40px; right: -40px;
    width: 110px; height: 110px;
    border-radius: 50%;
    background: var(--dourado-ambar);
    opacity: 0.05;
    pointer-events: none;
  }
  .part-card:hover { box-shadow: var(--sombra-card-hover); transform: translateY(-4px); }
  .part-card__num { font-family: var(--font-titulo); font-size: 52px; color: var(--dourado-ambar); line-height: 1; margin-bottom: 12px; }
  .part-card__label { font-family: var(--font-badge); font-weight: 700; font-size: 10px; letter-spacing: 0.26em; text-transform: uppercase; color: var(--cinza-medio); margin: 0 0 10px; }
  .part-card__title { font-family: var(--font-subtitulo); font-weight: 700; color: var(--azul-profundo); font-size: 20px; line-height: 1.3; margin: 0 0 16px; }
  .part-card__desc { font-size: 15.5px; line-height: 1.7; margin: 0; }

  /* ───────── FEATURES ───────── */
  .features {
    background: var(--azul-profundo);
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
  }
  .features::before {
    content: "";
    position: absolute; inset:0;
    background-image:
      linear-gradient(rgba(196,131,42,0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(196,131,42,0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    opacity: 0.5;
  }
  .features__head { max-width: 760px; margin: 0 auto 56px; text-align: center; position: relative; }
  .features__head h2 { font-size: clamp(26px, 3.4vw, 42px); color: var(--branco-puro); text-wrap: balance; margin: 0; }
  .features__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1080px;
    margin: 0 auto;
    border: 1px solid rgba(196,131,42,0.2);
    border-radius: var(--border-radius-card);
    overflow: hidden;
    position: relative;
  }
  .feat {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 16px;
    padding: 24px 28px;
    align-items: start;
    background: rgba(255,255,255,0.025);
    border-bottom: 1px solid rgba(196,131,42,0.1);
    border-right: 1px solid rgba(196,131,42,0.1);
    transition: background 200ms ease;
  }
  .feat:hover { background: rgba(196,131,42,0.065); }
  .feat:nth-child(even) { border-right: none; }
  .feat svg { width: 20px; height: 20px; color: var(--dourado-ambar); margin-top: 3px; flex-shrink: 0; }
  .feat__text { font-size: 16px; line-height: 1.65; color: rgba(247,243,238,0.82); margin: 0; }
  .feat__text strong { color: var(--branco-puro); font-weight: 600; }

  /* ───────── AUTHOR ───────── */
  .author {
    background: var(--branco-creme);
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
  }
  .author::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--dourado-ambar);
  }
  .author__inner {
    display: grid;
    grid-template-columns: 0.75fr 1.2fr;
    gap: 80px;
    align-items: start;
    position: relative;
  }
  .author__photo-wrap { position: relative; }
  .author__photo {
    position: relative;
    aspect-ratio: 3/4;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 32px 72px rgba(30,58,95,0.2);
    background: linear-gradient(160deg, #2A4F7C 0%, #1E3A5F 50%, #15293f 100%);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .author__photo-frame {
    position: absolute;
    top: -10px; left: -10px;
    right: 10px; bottom: -10px;
    border: 2px solid rgba(196,131,42,0.3);
    border-radius: 10px;
    pointer-events: none;
    z-index: 0;
  }
  .author__photo-placeholder {
    text-align: center;
    color: rgba(247,243,238,0.45);
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-size: 13px;
  }
  .author__photo-placeholder svg { width: 72px; height: 72px; opacity: 0.32; margin: 0 auto 10px; display: block; color: var(--dourado-ambar); }
  .author__name { color: var(--azul-profundo); font-size: clamp(30px, 3.8vw, 48px); margin: 0 0 12px; }
  .author__lead {
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-weight: 600;
    font-size: 18px;
    line-height: 1.55;
    color: var(--azul-medio);
    margin: 0 0 20px;
  }
  .author__rule { width: 52px; height: 3px; background: var(--dourado-ambar); margin: 0 0 28px; border-radius: 2px; }
  .author__bio p { font-size: 17px; line-height: 1.8; margin: 0 0 16px; }
  .author__bio p:last-child { margin-bottom: 0; }
  .author__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .author__note {
    margin: 32px 0 0;
    padding: 28px 32px;
    border-left: 4px solid var(--dourado-ambar);
    background: var(--branco-puro);
    border-radius: 0 10px 10px 0;
    box-shadow: var(--sombra-card);
    position: relative;
  }
  .author__note-label {
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--dourado-ambar);
    margin: 0 0 14px;
  }
  .author__note p:last-of-type {
    font-family: var(--font-corpo);
    font-style: italic;
    font-size: 17px;
    line-height: 1.7;
    color: var(--azul-profundo);
    margin: 0 0 14px;
  }
  .author__note span {
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--dourado-ambar);
  }
  .author__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
  .author__badge {
    background: var(--azul-suave);
    color: var(--azul-profundo);
    border: 1px solid rgba(30,58,95,0.18);
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 7px 13px;
    border-radius: var(--border-radius-badge);
  }

  /* ───────── TESTIMONIALS ───────── */
  .testimonials {
    background: var(--azul-profundo);
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
  }
  .testimonials::before {
    content: "";
    position: absolute;
    top: -180px; right: -80px;
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(196,131,42,0.09) 0%, transparent 65%);
    pointer-events: none;
  }
  .testimonials__head { text-align: center; max-width: 700px; margin: 0 auto 56px; position: relative; }
  .testimonials__head h2 { font-size: clamp(26px, 3vw, 40px); color: var(--branco-puro); text-wrap: balance; }
  .testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; position: relative; }
  .testi {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(196,131,42,0.22);
    border-radius: var(--border-radius-card);
    padding: 32px 26px;
    transition: background 300ms ease, transform 300ms ease;
    display: flex;
    flex-direction: column;
  }
  .testi:hover { background: rgba(255,255,255,0.07); transform: translateY(-4px); }
  .testi__stars { color: var(--dourado-claro); font-size: 14px; letter-spacing: 0.1em; margin-bottom: 16px; }
  .testi__text { font-family: var(--font-corpo); font-style: italic; color: rgba(247,243,238,0.86); font-size: 16px; line-height: 1.75; margin: 0 0 22px; flex: 1; }
  .testi__person { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.09); }
  .testi__avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    border: 2px solid var(--dourado-ambar);
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--azul-medio), #0f2035);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-subtitulo);
    font-weight: 700;
    color: var(--dourado-claro);
    font-size: 14px;
  }
  .testi__name { font-family: var(--font-badge); font-weight: 700; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--branco-puro); margin: 0 0 3px; }
  .testi__role { font-size: 13px; color: rgba(247,243,238,0.5); margin: 0; }

  /* ───────── OFFER ───────── */
  .offer {
    background: var(--branco-creme);
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
  }
  .offer::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--azul-profundo), var(--dourado-ambar), var(--azul-profundo));
  }
  .offer__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 80px;
    align-items: start;
  }
  .offer__head {
    grid-column: 1 / -1;
    text-align: center;
    margin-bottom: 20px;
  }
  .offer__head h2 {
    font-family: var(--font-titulo);
    font-size: clamp(30px, 4vw, 52px);
    color: var(--azul-profundo);
    max-width: 820px;
    margin: 0 auto 16px;
    text-wrap: balance;
    line-height: 1.05;
  }
  .offer__head p { color: var(--grafite-quente); font-size: 18px; line-height: 1.65; max-width: 640px; margin: 0 auto; opacity: 0.82; }
  .offer__book { display: flex; justify-content: center; padding-top: 12px; }
  .offer__book .book-img { margin: 0; max-width: 280px; transform: perspective(800px) rotateY(6deg) rotate(-2deg); }
  .offer__book .book-img:hover { transform: perspective(800px) rotateY(2deg) rotate(0deg) translateY(-6px); }
  .offer__card {
    background: var(--branco-puro);
    border-radius: var(--border-radius-card);
    padding: 44px 40px;
    box-shadow: var(--sombra-card-hover);
    border: 1px solid var(--cinza-suave);
    position: relative;
    overflow: hidden;
  }
  .offer__card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--dourado-ambar);
  }
  .offer__formats { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
  .format-badge {
    background: var(--verde-claro);
    color: var(--verde-musgo);
    border: 1px solid rgba(74,103,65,0.22);
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 8px 14px;
    border-radius: var(--border-radius-badge);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .format-badge svg { width: 13px; height: 13px; }
  .prelaunch-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: var(--azul-profundo);
    color: var(--branco-puro);
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 18px;
  }
  .prelaunch-tag::before {
    content: "";
    width: 6px; height: 6px;
    background: var(--dourado-ambar);
    border-radius: 50%;
    animation: blink 1.6s ease-in-out infinite;
    flex-shrink: 0;
  }
  .price-row { display: flex; align-items: baseline; gap: 16px; margin-bottom: 4px; flex-wrap: wrap; }
  .price-from { font-family: var(--font-corpo); font-size: 20px; color: var(--cinza-medio); text-decoration: line-through; }
  .price-now { font-family: var(--font-titulo); font-size: clamp(50px, 6vw, 70px); color: var(--dourado-ambar); line-height: 1; }
  .price-cents { font-size: 0.52em; vertical-align: super; margin-left: 2px; }
  .price-installments { font-size: 15.5px; color: var(--grafite-quente); margin: 6px 0 28px; opacity: 0.72; }
  .price-installments strong { color: var(--dourado-ambar); font-weight: 600; opacity: 1; }
  .bonus { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 11px; }
  .bonus li { display: flex; align-items: flex-start; gap: 12px; font-size: 15.5px; color: var(--grafite-quente); line-height: 1.55; }
  .bonus li svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--verde-musgo); margin-top: 3px; }
  .guarantee {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 22px;
    padding: 16px 18px;
    background: var(--verde-claro);
    border: 1px solid rgba(74,103,65,0.22);
    border-radius: 8px;
  }
  .guarantee__icon { width: 40px; height: 40px; flex-shrink: 0; color: var(--verde-musgo); }
  .guarantee__text { font-size: 13.5px; line-height: 1.6; color: var(--grafite-quente); margin: 0; }
  .guarantee__text strong { color: var(--verde-musgo); display: block; font-size: 11px; font-family: var(--font-badge); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 3px; }
  .offer__trust { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 18px; align-items: center; }
  .trust-item { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-badge); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cinza-medio); }
  .trust-item svg { width: 14px; height: 14px; color: var(--azul-profundo); opacity: 0.55; }

  /* ───────── FAQ ───────── */
  .faq { background: var(--branco-puro); padding: var(--section-padding); }
  .faq__head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
  .faq__head h2 { font-size: clamp(26px, 3.2vw, 40px); color: var(--azul-profundo); text-wrap: balance; margin: 0; }
  .faq__list { max-width: 840px; margin: 0 auto; }
  .faq-item { border-bottom: 1px solid var(--cinza-suave); }
  .faq-item:first-child { border-top: 1px solid var(--cinza-suave); }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    font-family: var(--font-subtitulo);
    font-weight: 600;
    color: var(--azul-profundo);
    font-size: 18px;
    line-height: 1.4;
    transition: color 200ms ease;
  }
  .faq-item summary:hover { color: var(--dourado-ambar); }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item__icon {
    flex-shrink: 0;
    width: 28px; height: 28px;
    border: 1.5px solid var(--dourado-ambar);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--dourado-ambar);
    transition: transform 300ms ease, background 200ms ease;
  }
  .faq-item[open] .faq-item__icon { transform: rotate(45deg); background: var(--dourado-ambar); color: var(--branco-puro); }
  .faq-item__icon svg { width: 12px; height: 12px; }
  .faq-item__body { padding: 0 56px 26px 0; font-size: 16.5px; line-height: 1.75; color: var(--grafite-quente); }
  .faq-item__body strong { color: var(--azul-profundo); font-weight: 600; }

  /* ───────── FINAL CTA ───────── */
  .final-cta {
    background: linear-gradient(150deg, #152d4d 0%, #1E3A5F 50%, #2A4F7C 100%);
    color: var(--branco-puro);
    padding: 128px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .final-cta::before {
    content: "";
    position: absolute; inset:0;
    background-image:
      linear-gradient(rgba(196,131,42,0.065) 1px, transparent 1px),
      linear-gradient(90deg, rgba(196,131,42,0.065) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
  }
  .final-cta::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--dourado-ambar), transparent);
  }
  .final-cta__glow {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    width: 600px; height: 400px;
    background: radial-gradient(ellipse, rgba(196,131,42,0.13) 0%, transparent 65%);
    pointer-events: none;
  }
  .final-cta__inner { position: relative; max-width: 820px; margin: 0 auto; }
  .final-cta__anchor {
    font-family: var(--font-subtitulo);
    font-style: italic;
    font-weight: 700;
    font-size: clamp(20px, 2.8vw, 32px);
    line-height: 1.45;
    color: var(--dourado-claro);
    margin: 0 auto 12px;
    max-width: 700px;
    text-wrap: balance;
  }
  .final-cta__attr {
    font-family: var(--font-badge);
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: rgba(196,131,42,0.65);
    margin: 0 0 52px;
  }
  .final-cta h2 { font-size: clamp(26px, 3.4vw, 44px); color: var(--branco-puro); margin: 0 0 36px; text-wrap: balance; line-height: 1.25; }
  .final-cta__derisker { margin-top: 18px; font-size: 13px; color: rgba(247,243,238,0.5); font-style: italic; }

  /* ───────── SECTION CONTINUITY CUE ───────── */
  .section-cue {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding-top: 28px;
    font-family: var(--font-badge);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--cinza-medio);
    opacity: 0.7;
  }
  .section-cue svg { width: 14px; height: 8px; animation: cueFloat 2s ease-in-out infinite; }
  .section-cue--light { color: rgba(247,243,238,0.38); }

  /* ───────── MOBILE STICKY CTA ───────── */
  .mobile-sticky-cta { display: none; }

  /* ───────── FOOTER ───────── */
  .footer { background: #221e1b; color: var(--cinza-suave); padding: 64px 0 40px; }
  .footer__top { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .footer__brand { font-family: var(--font-subtitulo); font-style: italic; color: var(--dourado-ambar); font-size: 22px; margin: 0 0 12px; }
  .footer__tagline { font-size: 14px; color: rgba(232,228,223,0.5); line-height: 1.65; margin: 0; max-width: 290px; }
  .footer__links, .footer__social { display: flex; flex-direction: column; gap: 11px; }
  .footer__links h4, .footer__social h4 { font-family: var(--font-badge); font-weight: 700; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--dourado-ambar); margin: 0 0 8px; }
  .footer__links a, .footer__social a { font-size: 14px; color: rgba(232,228,223,0.5); transition: color 200ms ease; }
  .footer__links a:hover, .footer__social a:hover { color: var(--dourado-ambar); }
  .footer__bottom { margin-top: 30px; font-family: var(--font-badge); font-size: 11px; color: rgba(138,132,128,0.55); line-height: 1.7; }

  /* ───────── REVEAL ───────── */
  .reveal { opacity: 0; transform: translateY(30px); transition: opacity 700ms ease, transform 700ms ease; }
  .reveal.is-visible { opacity: 1; transform: translateY(0); }
  .reveal-children > * { opacity: 0; transform: translateY(30px); transition: opacity 700ms ease, transform 700ms ease; }
  .reveal-children.is-visible > * { opacity: 1; transform: translateY(0); }
  .reveal-children.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
  .reveal-children.is-visible > *:nth-child(2) { transition-delay: 0.14s; }
  .reveal-children.is-visible > *:nth-child(3) { transition-delay: 0.23s; }
  .reveal-children.is-visible > *:nth-child(4) { transition-delay: 0.32s; }

  /* ───────── RESPONSIVE ───────── */
  @media (max-width: 1024px) {
    .author__inner { grid-template-columns: 1fr; gap: 44px; }
    .author__photo { max-width: 260px; margin: 0 auto; }
    .offer__inner { grid-template-columns: 1fr; gap: 44px; }
    .offer__head { grid-column: auto; }
    .offer__book { order: -1; }
    .offer__book .book-img { max-width: 220px; }
    .parts { grid-template-columns: 1fr; }
    .testimonials__grid { grid-template-columns: 1fr; }
    .features__list { grid-template-columns: 1fr; }
    .feat:nth-child(even) { border-right: none; }
    .stats-band__inner { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item:nth-child(3) { border-top: 1px solid rgba(255,255,255,0.09); border-right: 1px solid rgba(255,255,255,0.09); }
    .stat-item:last-child { border-top: 1px solid rgba(255,255,255,0.09); border-right: none; }
  }

  @media (max-width: 768px) {
    :root { --section-padding: 70px 0; }
    .container { padding: 0 18px; }

    /* ── HERO MOBILE: livro visível no topo + fantasma no fundo ── */
    .hero {
      padding-top: 64px;
      padding-bottom: 28px;
      min-height: 100svh;
    }
    /* Overlay diagonal — legibilidade da copy */
    .hero::before {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(110deg,
        rgba(21,45,77,1) 0%,
        rgba(21,45,77,0.97) 38%,
        rgba(21,45,77,0.6)  65%,
        rgba(21,45,77,0.15) 100%
      );
      z-index: 1;
      pointer-events: none;
    }
    /* Inner: flex coluna — livro topo, texto abaixo */
    .hero__inner {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
      z-index: 2;
    }
    /* Livro visível no topo — aparece primeiro */
    .hero__book-col {
      order: -1;
      position: relative;
      z-index: 3;
      display: flex;
      justify-content: center;
      padding-top: 4px;
      margin-bottom: 14px;
      pointer-events: auto;
    }
    .book-img {
      max-width: 185px;
      width: 185px;
      margin: 0 auto;
      opacity: 1;
      transform: perspective(600px) rotateY(-7deg) rotate(2deg);
      box-shadow: var(--sombra-livro);
    }
    .book-badge { display: block; font-size: 9px; padding: 6px 11px; right: -6px; top: -10px; }
    .book-stats { display: none; }
    /* Texto na frente */
    .hero__inner > div:first-child { position: relative; z-index: 2; }
    .hero h1 { font-size: 21px; line-height: 1.22; margin-bottom: 12px; }
    .hero h1 br { display: none; }
    .hero__line { margin: 14px 0; }
    .hero__sub { font-size: 14px; margin-bottom: 18px; line-height: 1.58; }
    .hero__ctas { flex-direction: column; gap: 10px; margin-bottom: 8px; }
    .hero__ctas .btn { width: 100%; }
    .btn--primary, .btn--xl { padding: 14px 22px; font-size: 12px; letter-spacing: 0.08em; }
    .hero__derisker { display: none; }
    .hero__cred { display: none; }

    /* Mobile sticky CTA */
    body { padding-bottom: 76px; }
    .mobile-sticky-cta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      position: fixed;
      left: 0; right: 0; bottom: 0;
      z-index: 150;
      background: var(--azul-profundo);
      padding: 12px 18px;
      padding-bottom: calc(12px + env(safe-area-inset-bottom));
      box-shadow: 0 -8px 24px rgba(0,0,0,0.28);
      border-top: 1px solid rgba(196,131,42,0.3);
      transform: translateY(100%);
      transition: transform 300ms ease;
    }
    .mobile-sticky-cta.is-visible { transform: translateY(0); }
    .mobile-sticky-cta__price { line-height: 1.15; }
    .mobile-sticky-cta__price-label { display: block; font-family: var(--font-badge); font-size: 8px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(247,243,238,0.55); }
    .mobile-sticky-cta__price-now { font-family: var(--font-titulo); font-size: 19px; color: var(--dourado-ambar); }
    .mobile-sticky-cta .btn { padding: 13px 20px; font-size: 11px; white-space: nowrap; flex-shrink: 0; }

    /* Social bar scrollable */
    .social-bar__inner { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding: 0 18px; scrollbar-width: none; }
    .social-bar__inner::-webkit-scrollbar { display: none; }
    .social-bar__item { flex-shrink: 0; font-size: 10px; padding: 5px 14px; }

    /* Stats 2x2 */
    .stats-band__inner { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 18px 10px; }
    .stat-item__num { font-size: 34px; }

    /* Problem */
    .problem__compare { grid-template-columns: 1fr; }
    .problem__compare > div:first-child { border-right: none; border-bottom: 1px solid var(--cinza-suave); }
    .problem__distinction { padding: 26px 18px; }

    /* Author: foto float left, texto contorna */
    .author__inner { display: block; gap: 0; }
    .author__inner > .reveal:first-child {
      float: left;
      width: 140px;
      margin: 0 22px 16px 0;
    }
    .author__photo {
      max-width: 140px;
      aspect-ratio: 3/4;
      border-radius: 6px;
    }
    .author__photo-wrap { position: relative; }
    .author__photo-frame { top: -6px; left: -6px; right: 6px; bottom: -6px; }
    .author__name { font-size: 28px; }
    .author__lead { font-size: 16px; }
    .author__note { padding: 22px 20px; clear: both; }
    .author__note p:last-of-type { font-size: 15.5px; }

    /* Offer */
    .offer__card { padding: 26px 20px; }

    /* FAQ */
    .faq-item summary { font-size: 16px; }
    .faq-item__body { padding-right: 0; }

    /* Footer */
    .footer__top { grid-template-columns: 1fr; }

    /* Final CTA */
    .final-cta { padding: 80px 0; }

    .nav__inner { padding: 0 18px; }

    /* Announce shorter */
    .announce { font-size: 10px; padding: 9px 16px; }
  }

  @media (max-width: 400px) {
    .hero h1 { font-size: 19px; }
    .hero__sub { font-size: 13.5px; }
  }