:root{
  --bg:#ffffff;
  --bg-soft:#f5f6f8;
  --text:#111418;
  --muted:#3f4652;
  --line:#dfe3e8;
  --accent:#0b5cad;
  --accent-ink:#ffffff;
  --ok:#17703a;
  --radius:16px;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* Fonte maior por padrão: público 50+ */
body{margin:0;background:var(--bg);color:var(--text);font:19px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}

header.site{position:sticky;top:0;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);z-index:50}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text);text-decoration:none}
nav.main ul{display:flex;gap:24px;list-style:none;margin:0;padding:0}
nav.main a{color:var(--muted);text-decoration:none;font-size:1rem}
nav.main a:hover{color:var(--text);text-decoration:underline}
@media (max-width:820px){nav.main{display:none}}
@media (max-width:480px){
  .logo{font-size:1rem;white-space:nowrap}
  header.site .btn.small{padding:8px 14px;font-size:.92rem;min-height:40px;white-space:nowrap}
}

.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:16px 28px;border-radius:12px;text-decoration:none;font-family:inherit;font-weight:700;border:0;cursor:pointer;font-size:1.1rem;line-height:1.4;min-height:56px;text-align:center}
@media (max-width:480px){.hero .actions .btn{width:100%}}
.center{text-align:center}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:#fff;color:var(--text);border:2px solid var(--line)}
.btn.small{padding:10px 18px;font-size:1rem;min-height:44px}

section{padding:76px 0;border-bottom:1px solid var(--line);scroll-margin-top:68px}
section.soft{background:var(--bg-soft)}
h1,h2,h3{line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,5vw,3.3rem);letter-spacing:-.015em}
h2{font-size:clamp(1.65rem,3.6vw,2.3rem)}
h3{font-size:1.25rem}
p.lead{font-size:1.25rem;color:var(--muted);max-width:62ch}
.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.85rem;color:var(--accent);font-weight:800;margin-bottom:10px;display:block}

.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
@media (max-width:880px){.hero .wrap{grid-template-columns:1fr}}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.cover{background:linear-gradient(160deg,#0b5cad,#083e75);color:#fff;border-radius:18px;padding:36px 30px;aspect-ratio:3/4;max-width:340px;margin:0 auto;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 24px 50px rgba(11,92,173,.25)}
.cover .t{font-size:2rem;font-weight:800;line-height:1.1}
.cover .s{font-size:1.05rem;opacity:.9}
.cover .b{font-size:.9rem;opacity:.8;border-top:1px solid rgba(255,255,255,.3);padding-top:12px}

.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:32px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card p{color:var(--muted);margin:0}
.card .ico{font-size:2rem;margin-bottom:10px}

ul.check{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
ul.check li{padding-left:38px;position:relative}
ul.check li::before{content:"✔";position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:#e3f2e8;color:var(--ok);display:grid;place-items:center;font-weight:800;font-size:.9rem}

ol.chapters{list-style:none;counter-reset:c;padding:0;margin:32px 0 0;display:grid;gap:14px}
ol.chapters li{counter-increment:c;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px 20px 78px;position:relative}
ol.chapters li::before{content:counter(c);position:absolute;left:22px;top:20px;width:40px;height:40px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800}
ol.chapters li strong{display:block;font-size:1.1rem}
ol.chapters li span{color:var(--muted)}

.price-box{background:#fff;border:2px solid var(--accent);border-radius:20px;padding:36px;max-width:560px;margin:32px auto 0;text-align:center}
.price-box .price{font-size:3rem;font-weight:800;margin:8px 0}
.price-box .small{color:var(--muted);font-size:.95rem}
.price-box ul.check{text-align:left;margin:24px 0}

.guarantee{display:flex;gap:18px;align-items:flex-start;background:#eef6f0;border:1px solid #c6e3cf;border-radius:var(--radius);padding:22px;max-width:760px;margin:32px auto 0}
.guarantee .seal{flex:0 0 64px;height:64px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.3rem}

/* Toda a área da pergunta é clicável (alvo de toque grande) */
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-top:12px}
details summary{cursor:pointer;font-weight:700;font-size:1.08rem;padding:20px 24px;list-style-position:inside}
details p{color:var(--muted);margin:0;padding:0 24px 20px}

.notice{background:#fff8e6;border:1px solid #efd48a;border-radius:var(--radius);padding:18px 22px;color:#4f3d0c}

.author{display:grid;grid-template-columns:160px 1fr;gap:28px;align-items:center}
.author .photo{width:160px;height:160px;border-radius:50%;background:var(--line);display:grid;place-items:center;color:var(--muted);font-size:.85rem;text-align:center}
img.photo{object-fit:cover;border:4px solid #fff;box-shadow:0 8px 24px rgba(0,0,0,.12)}
@media (max-width:640px){.author{grid-template-columns:1fr}}

form.contact{display:grid;gap:14px;max-width:580px;margin-top:24px}
form.contact label{font-weight:700}
form.contact input,form.contact textarea{width:100%;padding:14px 16px;border:2px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--text)}
form.contact .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--muted);font-size:.95rem}
form.contact .check input{width:24px;height:24px;flex:0 0 24px;margin-top:2px;accent-color:var(--accent);cursor:pointer}

footer.site{padding:48px 0 32px;background:var(--bg-soft);font-size:.95rem;color:var(--muted)}
footer.site .cols{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
footer.site h4{color:var(--text);margin:0 0 10px;font-size:1rem}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer.site a{color:var(--muted)}
footer.site .legal{border-top:1px solid var(--line);margin-top:32px;padding-top:20px}

.doc{max-width:800px;margin:0 auto;padding:56px 16px}
.doc h2{margin-top:1.6em;font-size:1.4rem}
.doc p,.doc li{color:#262b33}

#cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:740px;margin:0 auto;background:#fff;border:2px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.1);border-radius:var(--radius);padding:20px 22px;display:none;z-index:200}
#cookie p{margin:0 0 14px;font-size:1rem;color:var(--muted)}
#cookie .row{display:flex;gap:10px;flex-wrap:wrap}

/* Checkout */
[hidden]{display:none !important}
.co-grid>*{min-width:0}
form.contact .co-opcao input{width:22px;flex:0 0 22px;margin:0}
.secure{font-size:.95rem;color:var(--ok);font-weight:700;white-space:nowrap}
.checkout{padding-top:40px;padding-bottom:64px}
.checkout h1{font-size:clamp(1.8rem,4vw,2.4rem)}
.co-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:start}
@media (max-width:860px){.co-grid{grid-template-columns:1fr}}
.co-resumo h2,.co-form-box h2{font-size:1.35rem}
.co-item{display:flex;gap:16px;align-items:center;margin-bottom:18px}
.co-capa{flex:0 0 64px;height:86px;border-radius:8px;background:linear-gradient(160deg,#0b5cad,#083e75);color:#fff;font-size:.62rem;font-weight:800;line-height:1.15;padding:8px}
.muted{color:var(--muted)}
.co-total{margin:0;border-top:1px solid var(--line)}
.co-total div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.co-total dt{color:var(--muted)}
.co-total dd{margin:0;font-weight:600;text-align:right}
.co-total .total dt,.co-total .total dd{color:var(--text);font-size:1.3rem;font-weight:800}
.small-check{font-size:.95rem;margin-top:18px}
.small-check li{padding-left:34px}
.small-check li::before{width:24px;height:24px}
.co-form-box form.contact{max-width:none;margin-top:0}
.co-metodo{border:0;padding:0;margin:4px 0 0}
.co-metodo legend{font-weight:700;margin-bottom:8px}
.co-opcao{display:flex;gap:12px;align-items:center;border:2px solid var(--accent);border-radius:12px;padding:14px 16px;background:#f3f8fd;cursor:pointer}
.co-opcao input{width:22px;height:22px}
.co-erro{background:#fdecec;border:1px solid #f1b4b4;color:#8a1c1c;border-radius:10px;padding:12px 16px;margin:0}
.co-ok{background:#eaf6ee;border:1px solid #b9dfc6;color:#14532d;border-radius:10px;padding:12px 16px;margin:0}
.btn:disabled{opacity:.6;cursor:wait}
.co-qr img{width:220px;height:220px;margin:8px auto 16px;image-rendering:pixelated}
#pix-codigo{width:100%;padding:12px 14px;border:2px solid var(--line);border-radius:10px;font:15px/1.4 Consolas,monospace;margin:6px 0 12px;resize:none;word-break:break-all;background:var(--bg-soft)}
.co-aguardando{display:flex;gap:10px;align-items:center;margin:20px 0 6px;font-weight:600}
.spinner{width:20px;height:20px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:gira 1s linear infinite;flex:0 0 20px}
@keyframes gira{to{transform:rotate(360deg)}}
.co-sucesso{width:72px;height:72px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;font-size:2rem;font-weight:800;margin-bottom:12px}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.spinner{animation-duration:3s}}