/* Estilos das paginas de livro — partilhado por todas. */
:root{--primary:#c7563c;--primary-light:#faeee9;--accent:#b1794e;--dark:#2A2520;--grey:#7A6F66;--light-bg:#fcfbfa;--white:#FFFFFF;--border:#e2dad0;--shadow:0 4px 24px rgba(199,86,60,.10);--radius:16px}
  *{margin:0;padding:0;box-sizing:border-box}
  body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--light-bg);color:var(--dark);line-height:1.7}
  nav{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,0.06)}
  .nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{font-size:1.2rem;font-weight:700;color:var(--primary);text-decoration:none}
  .logo span{color:var(--accent)}
  .nav-links{display:flex;gap:8px;list-style:none}
  .nav-links a{text-decoration:none;color:var(--grey);font-size:0.92rem;font-weight:500;padding:8px 14px;border-radius:8px;transition:all 0.2s}
  .nav-links a:hover,.nav-links a.active{background:var(--primary-light);color:var(--primary)}
  .nav-cta{background:var(--primary);color:white!important;border-radius:8px}
  .hamburger{display:none;cursor:pointer;flex-direction:column;gap:5px}
  .hamburger span{display:block;width:24px;height:2px;background:var(--dark);border-radius:2px}

  /* --- product hero --- */
  .book-hero{background:linear-gradient(160deg,#fcfbfa 0%,#f7efe7 60%,#f2e6da 100%);border-top:5px solid var(--primary);padding:52px 24px 56px}
  .book-hero-inner{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start}
  .book-cover{width:100%;border-radius:10px;box-shadow:0 18px 44px rgba(42,37,32,.22);display:block}
  .eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
  .book-hero h1{font-size:clamp(1.6rem,3.2vw,2.35rem);font-weight:700;line-height:1.2;margin-bottom:16px;color:#2a2520}
  .book-sub{font-size:1.05rem;color:#5a4c42;margin-bottom:22px;max-width:52ch}
  .meta-row{display:flex;flex-wrap:wrap;gap:8px 10px;margin-bottom:26px}
  .meta-pill{background:rgba(255,255,255,.72);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:.82rem;color:#5a4c42;font-weight:500}

  /* --- buy --- */
  .buy-stack{display:flex;flex-direction:column;gap:10px;max-width:420px}
  .buy{display:flex;align-items:center;justify-content:space-between;gap:14px;text-decoration:none;padding:14px 20px;border-radius:12px;font-weight:600;font-size:.95rem;transition:transform .15s,box-shadow .15s}
  .buy:hover{transform:translateY(-1px)}
  .buy-main{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(199,86,60,.28)}
  .buy-main:hover{background:#a8452f}
  .buy-alt{background:var(--white);color:var(--dark);border:1px solid var(--border)}
  .buy-alt:hover{border-color:var(--accent)}
  .buy small{display:block;font-weight:400;font-size:.76rem;opacity:.82;margin-top:2px}
  .buy-price{font-weight:700;white-space:nowrap;font-size:.95rem}
  .buy-note{font-size:.82rem;color:var(--grey);margin-top:12px;max-width:420px}

  /* --- content --- */
  .content{max-width:780px;margin:60px auto 20px;padding:0 24px}
  .content h2{font-size:1.4rem;font-weight:700;margin:44px 0 16px;color:var(--dark)}
  .content h2:first-child{margin-top:0}
  .content h3{font-size:1.08rem;font-weight:600;margin:28px 0 10px;color:var(--primary)}
  .content p{margin-bottom:20px;color:#4A423B;line-height:1.8}
  .content ul,.content ol{margin:16px 0 24px 24px}
  .content li{margin-bottom:10px;color:#4A423B;line-height:1.7}
  .content strong{color:var(--dark)}
  .lead{font-size:1.08rem}

  .symptom-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:24px 0 32px}
  .symptom{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
  .symptom b{display:block;color:var(--dark);font-size:.95rem;margin-bottom:4px}
  .symptom span{font-size:.9rem;color:var(--grey);line-height:1.6}

  .toc{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:26px 30px;margin:28px 0 36px}
  .toc h3{margin:0 0 14px;color:var(--dark);font-family:'Playfair Display',Georgia,serif;font-size:1.15rem}
  .toc ol{margin:0 0 0 20px}
  .toc li{margin-bottom:9px;color:#4A423B}

  .cta-box{background:linear-gradient(135deg,var(--primary-light),#f4ece4);border-radius:var(--radius);padding:32px;text-align:center;margin:48px 0;border:1px solid var(--border)}
  .cta-box h3{font-size:1.2rem;font-weight:700;margin-bottom:12px;color:var(--dark)}
  .cta-box p{color:var(--grey);margin-bottom:20px}
  .cta-btn{display:inline-block;background:var(--primary);color:white;padding:14px 28px;border-radius:10px;text-decoration:none;font-weight:600;transition:background .2s}
  .cta-btn:hover{background:#a8452f}

  .faq-list{margin:8px 0 28px}
  .faq-item{border-bottom:1px solid var(--border)}
  .faq-item summary{cursor:pointer;list-style:none;padding:18px 42px 18px 0;font-weight:600;color:#2a2520;position:relative;line-height:1.4}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:after{content:"+";position:absolute;right:6px;top:16px;font-size:1.5rem;font-weight:400;color:var(--primary);line-height:1}
  .faq-item[open] summary:after{content:"\2212"}
  .faq-a{padding:0 0 20px}
  .faq-a p{margin:0}

  .also{max-width:1000px;margin:20px auto 70px;padding:0 24px}
  .also h2{font-family:'Playfair Display',Georgia,serif;font-size:1.35rem;margin-bottom:20px;color:var(--dark)}
  .also-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
  .also-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:18px;text-decoration:none;display:block;transition:border-color .2s,transform .15s}
  .also-card:hover{border-color:var(--accent);transform:translateY(-2px)}
  .also-card img{width:auto;height:108px;object-fit:contain;object-position:left bottom;border-radius:5px;filter:drop-shadow(0 6px 16px rgba(42,37,32,.22));margin-bottom:12px;display:block}
  .also-card b{display:block;color:var(--dark);font-size:.94rem;line-height:1.35;margin-bottom:4px}
  .also-card span{font-size:.85rem;color:var(--grey)}

  .disclaimer{max-width:780px;margin:0 auto 60px;padding:20px 24px;font-size:.85rem;color:var(--grey);border-top:1px solid var(--border)}

  footer{background:var(--dark);color:rgba(255,255,255,0.7);padding:48px 24px 24px}
  .footer-inner{max-width:1100px;margin:0 auto}
  .footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;text-align:center;font-size:0.82rem}
  .footer-links{display:flex;gap:24px;justify-content:center;margin-bottom:24px;flex-wrap:wrap}
  .footer-links a{color:rgba(255,255,255,0.6);text-decoration:none;font-size:0.88rem}
  .footer-links a:hover{color:white}

  h1,h2,h3,.logo{font-family:'Playfair Display',Georgia,serif;letter-spacing:-.01em}
  .logo{font-size:1.45rem;font-weight:700}

  @media(max-width:768px){.nav-links{display:none;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:white;padding:16px;box-shadow:0 4px 12px rgba(0,0,0,0.1)}.nav-links.open{display:flex}.hamburger{display:flex}}
  @media(max-width:860px){
    .book-hero-inner{grid-template-columns:1fr;gap:28px;max-width:520px}
    .book-cover{max-width:220px;margin:0 auto}
    .buy-stack{max-width:100%}
  }
  /* mobile: alvos de toque e tamanho de letra para leitoras 50+ */
  @media (max-width:820px){
    .nav-links a{padding:13px 14px;font-size:1rem;line-height:1.3}
    .nav-links{gap:2px}
    .footer-links{gap:4px 18px}
    .footer-links a{display:inline-block;padding:12px 4px;line-height:1.3}
    body{font-size:1rem}
    p,li{font-size:1rem}
    .content p,.content li{font-size:1.02rem}
    .buy{padding:16px 18px}
    .cta-btn{padding:15px 28px}
  }