.site-header { color: var(--ink); }

  /* ---------- livro (mockup) ---------- */
  .book { position: relative; width: 100%; aspect-ratio: 700 / 1014; transform: perspective(1600px) rotateY(-18deg) rotateX(3deg); transform-style: preserve-3d; transition: transform 1s var(--ease); }
  .book:hover { transform: perspective(1600px) rotateY(-8deg) rotateX(2deg); }
  .book__pages { position: absolute; top: 1.2%; bottom: 1.2%; left: 3%; right: -4.5%; border-radius: 0 6px 6px 0; background: repeating-linear-gradient(90deg, #f6f1e9 0 1px, #dcd2c3 1px 2px); transform: translateZ(-2px); box-shadow: 40px 50px 60px -30px rgba(23,22,20,.45); }
  .book__cover { position: absolute; inset: 0; border-radius: 2px 5px 5px 2px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,.15); }
  .book__cover img { width: 100%; height: 100%; object-fit: cover; }
  .book__cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.28) 0%, rgba(255,255,255,.18) 1.6%, rgba(0,0,0,.08) 3.2%, rgba(255,255,255,0) 7%), linear-gradient(115deg, rgba(255,255,255,.14), rgba(255,255,255,0) 40%); }

  /* ---------- HERO ---------- */
  .hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 130px 0 90px; overflow: hidden; }
  .hero::before { content: ""; position: absolute; right: -12%; top: -18%; width: 68vw; height: 68vw; max-width: 980px; max-height: 980px; border-radius: 50%; background: radial-gradient(closest-side, rgba(156,201,200,.55), rgba(207,227,224,.35) 45%, transparent 72%); filter: blur(10px); }
  .hero__grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
  .hero__kicker { font-family: var(--serif); font-style: italic; font-size: clamp(26px, 2.6vw, 34px); color: var(--clay); margin: 24px 0 10px; }
  .hero h1 { font-size: clamp(40px, 5.2vw, 72px); line-height: 1.03; color: var(--ink); }
  .hero h1 em { color: var(--sea-deep); }
  .hero__sub { margin-top: 28px; max-width: 540px; }
  .hero__buy { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; margin-top: 40px; }
  .price small { display: block; font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
  .price b { font-family: var(--serif); font-weight: 400; font-size: 44px; line-height: 1; color: var(--ink); }
  .hero__subtitle { margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); max-width: 540px; }
  .hero__subtitle b { color: var(--ink); }
  .hero__book { max-width: 380px; margin: 0 auto; width: 100%; }

  /* ---------- PERGUNTA ---------- */
  .ask { background: var(--paper-2); text-align: center; }
  .ask h2 { max-width: 17ch; margin: 24px auto 40px; color: var(--ink); }
  .ask h2 em { color: var(--clay); }
  .ask p { max-width: 680px; margin: 0 auto 1.1em; font-size: 18.5px; }

  /* ---------- TRANSFORMAÇÕES ---------- */
  .turn { background: var(--ink); }
  .turn__head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 80px; align-items: end; margin-bottom: 70px; }
  .turn__head h2 { font-size: clamp(36px, 4.4vw, 58px); line-height: 1.05; }
  .turn__head h2 em { color: var(--sea); }
  .rows { border-top: 1px solid var(--line-light); }
  .row { display: grid; grid-template-columns: 1fr auto 1.3fr; align-items: center; gap: 30px; padding: 34px 0; border-bottom: 1px solid var(--line-light); }
  .row .from { font-family: var(--sans); font-weight: 600; font-size: clamp(14px, 1.3vw, 16px); letter-spacing: .2em; text-transform: uppercase; color: rgba(241,235,226,.5); }
  .row .line { width: clamp(60px, 12vw, 180px); height: 1px; background: rgba(156,201,200,.5); position: relative; }
  .row .line::after { content: ""; position: absolute; right: 0; top: -4px; width: 9px; height: 9px; border-top: 1px solid var(--sea); border-right: 1px solid var(--sea); transform: rotate(45deg); }
  .row .to { font-family: var(--serif); font-style: italic; font-size: clamp(38px, 5vw, 70px); line-height: 1; color: var(--paper); transition: color .4s, transform .5s var(--ease); }
  .row:hover .to { color: var(--sea); transform: translateX(8px); }
  .turn__foot { display: grid; grid-template-columns: 1fr auto; gap: 30px 60px; align-items: center; margin-top: 60px; }
  .turn__foot p { margin: 0; font-size: 19px; max-width: 620px; }

  /* ---------- CONVITE ---------- */
  .invite__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 100px); align-items: center; }
  .invite__media { border-radius: 22px; overflow: hidden; aspect-ratio: 4/5; }
  .invite__media img { width: 100%; height: 100%; object-fit: cover; object-position: 66% 50%; }
  .invite h2 { margin: 20px 0 28px; color: var(--ink); }
  .invite h2 em { color: var(--clay); }
  .pull { margin: 40px 0 0; padding: 34px 0 0; border-top: 1px solid var(--line); font-family: var(--serif); font-size: clamp(28px, 2.8vw, 38px); line-height: 1.12; color: var(--ink); }
  .pull em { color: var(--sea-deep); }

  /* ---------- GALERIA ---------- */
  .gallery { background: var(--paper-2); }
  .gallery__head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 44px; flex-wrap: wrap; }
  .gallery__head h2 { color: var(--ink); margin-top: 18px; }
  .gallery__grid { display: grid; grid-template-columns: .8fr 1.2fr 1fr; grid-template-rows: 1fr 1fr; gap: 16px; height: clamp(520px, 62vw, 720px); }
  .gallery__grid figure { margin: 0; border-radius: 18px; overflow: hidden; position: relative; }
  .gallery__grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
  .gallery__grid figure:hover img { transform: scale(1.04); }
  .g1 { grid-row: 1 / 3; } .g2 { grid-column: 2; grid-row: 1 / 3; } .g3 { grid-column: 3; } .g4 { grid-column: 3; }

  /* ---------- AUTOR ---------- */
  .author__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
  .author__media { position: relative; border-radius: 22px; overflow: hidden; background: #2a2a2a; aspect-ratio: 4/5; }
  .author__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%; }
  .author h2 { margin: 20px 0 10px; color: var(--ink); }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 30px; }
  .chip { border: 1px solid var(--line); border-radius: 100px; padding: 8px 14px; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
  .author__links { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 30px; }

  /* ---------- COMPRAR ---------- */
  .buy { background: linear-gradient(160deg, var(--sea-soft) 0%, var(--paper-2) 55%, var(--sand) 100%); }
  .buy__card { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px, 6vw, 90px); align-items: center; background: var(--paper); border-radius: 28px; padding: clamp(36px, 6vw, 80px); box-shadow: 0 40px 80px -50px rgba(23,22,20,.45); }
  .buy__card .book { max-width: 300px; margin: 0 auto; }
  .buy h2 { color: var(--ink); margin: 18px 0 8px; }
  .buy h2 em { color: var(--clay); }
  .buy__sub { font-size: 12px; color: var(--muted); }
  .specs { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); margin: 32px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .specs div { padding: 18px 0; }
  .specs div + div { padding-left: 20px; border-left: 1px solid var(--line); }
  .specs small { display: block; font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
  .specs span { font-weight: 600; }
  .buy__row { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; }
  .buy__alt { margin-top: 22px; font-size: 14px; color: var(--muted); }

  /* ---------- PONTE PARA A JORNADA ---------- */
  .bridge { background: var(--ink); padding: clamp(70px, 9vw, 110px) 0; overflow: hidden; }
  .bridge__inner { display: grid; grid-template-columns: auto 1fr auto; gap: 40px 60px; align-items: center; }
  .bridge__img { width: 180px; height: 180px; border-radius: 50%; overflow: hidden; }
  .bridge__img img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 40%; }
  .bridge h2 { font-size: clamp(32px, 3.6vw, 48px); line-height: 1.05; }
  .bridge h2 em { color: var(--sea); }
  .bridge p { margin: 14px 0 0; max-width: 560px; }

  /* ---------- CTA fixo mobile ---------- */
  .sticky-cta { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: none; align-items: center; justify-content: space-between; gap: 12px; background: var(--ink); color: var(--paper); border-radius: 100px; padding: 8px 8px 8px 22px; box-shadow: 0 20px 40px -14px rgba(0,0,0,.6); transform: translateY(140%); transition: transform .5s var(--ease); }
  .sticky-cta.is-on { transform: none; }
  .sticky-cta small { display: block; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--sea); font-weight: 700; }
  .sticky-cta b { font-family: var(--serif); font-weight: 400; font-size: 21px; line-height: 1.05; }
  .sticky-cta .btn { min-height: 48px; font-size: 12px; padding: 0 8px 0 18px; }
  .sticky-cta .btn .arrow { width: 32px; height: 32px; }

  @media (max-width: 980px) {
    .hero { padding-top: 110px; min-height: 0; }
    .hero__grid, .turn__head, .invite__grid, .author__grid, .buy__card, .turn__foot { grid-template-columns: 1fr; }
    .hero__book { max-width: 260px; order: -1; }
    .buy__card .book { max-width: 210px; }
    .row { grid-template-columns: 1fr; gap: 12px; padding: 28px 0; }
    .row .line { display: none; }
    .gallery__grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; height: auto; }
    .gallery__grid figure { aspect-ratio: 4/5; }
    .g1, .g2, .g3, .g4 { grid-column: auto; grid-row: auto; }
    .g2 { grid-column: 1 / 3; aspect-ratio: 3/2 !important; }
    .author__media { max-width: 520px; }
    .bridge__inner { grid-template-columns: 1fr; }
    .bridge__img { width: 120px; height: 120px; }
    .sticky-cta { display: flex; }
  }
  @media (max-width: 620px) {
    body { font-size: 16px; }
    .specs { grid-template-columns: 1fr; }
    .specs div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
    .hero__buy .btn { width: 100%; }
  }
  .buy__text { margin-top: 22px; }