:root{
  --navy:#16325a; --navy-deep:#0d2240; --ink:#1d2a3a; --muted:#5b6878;
  --gold:#a8854e; --gold-soft:#c7a46b; --cream:#f6f3ee; --paper:#fffdf9;
  --line:#e4ddd1; --ok:#2f7a4f;
  --serif:"DM Serif Display", Georgia, "Times New Roman", serif;
  --sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* topo */
.topbar{background:var(--navy-deep);color:#e9e3d8;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;text-decoration:none;white-space:nowrap}
header.site{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.logo img{height:44px;width:auto}
nav.main{display:flex;gap:22px;align-items:center;font-size:14px}
nav.main a{text-decoration:none;color:var(--ink)}
nav.main a:hover{color:var(--gold)}
nav.main .btn-sm{border:1px solid var(--line);padding:8px 14px;border-radius:4px}
@media (max-width:820px){nav.main a:not(.btn-sm){display:none}.logo img{height:36px}}

/* tipografia */
h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--navy);line-height:1.12;margin:0 0 .5em}
h1{font-size:clamp(38px,6vw,68px)}
h2{font-size:clamp(30px,4.2vw,46px)}
h3{font-size:24px}
.eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:600;margin:0 0 14px;display:flex;align-items:center;gap:12px}
.eyebrow:before{content:"";width:36px;height:1px;background:var(--gold)}
.lead{font-size:18px;color:var(--muted);max-width:620px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--navy);color:#fff;text-decoration:none;font-weight:600;padding:15px 26px;border-radius:4px;border:1px solid var(--navy);font-size:15px;transition:.15s}
.btn:hover{background:var(--navy-deep)}
.btn.gold{background:var(--gold);border-color:var(--gold)}
.btn.gold:hover{background:#8f6f3e}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:#fff}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:26px}

/* seções */
section{padding:84px 0}
section.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
section.dark{background:var(--navy-deep);color:#e9e3d8}
section.dark h2,section.dark h3{color:#fff}
.hero{padding:70px 0 80px}
.grid2{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media (max-width:900px){.grid2{grid-template-columns:1fr;gap:36px}section{padding:60px 0}}
.covers{display:flex;gap:22px;align-items:center;justify-content:center}
.covers img{width:46%;max-width:250px;box-shadow:0 22px 44px rgba(13,34,64,.28);border-radius:2px}
.covers img:nth-child(2){margin-top:60px}
.cover-one img{max-width:330px;margin:0 auto;box-shadow:0 22px 44px rgba(13,34,64,.28)}
.caption{font-size:12px;color:var(--muted);text-align:center;margin-top:12px;letter-spacing:.06em}

.note{border-left:3px solid var(--gold);background:#efe8dc;padding:14px 18px;font-size:14px;color:#4a4236;margin-top:26px;max-width:640px}
.note a{color:#4a4236}

.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tags span{border:1px solid var(--line);background:#fff;padding:8px 16px;border-radius:40px;font-size:14px}

/* cartões */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.cards,.cards.three{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px}
.card .num{font-family:var(--serif);font-size:30px;color:var(--gold);line-height:1}
.card h3{margin-top:10px}
.book{display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:start}
.book img{box-shadow:0 12px 26px rgba(13,34,64,.25)}
@media (max-width:560px){.book{grid-template-columns:1fr}.book img{max-width:180px}}
.meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--muted);margin:10px 0 14px}
.price{font-family:var(--serif);font-size:34px;color:var(--navy)}
.price small{font-family:var(--sans);font-size:13px;color:var(--muted);display:block}

/* tabela comparativa */
table.compare{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:15px}
table.compare th,table.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.compare th{background:var(--navy);color:#fff;font-weight:600}
table.compare td:first-child{font-weight:600;color:var(--navy);width:26%}
@media (max-width:640px){table.compare{font-size:13px}table.compare th,table.compare td{padding:10px}}

/* combo */
.combo{background:var(--navy-deep);color:#e9e3d8;border-radius:8px;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.combo h2{color:#fff}
.combo .covers img{box-shadow:0 18px 36px rgba(0,0,0,.45)}
.strike{text-decoration:line-through;opacity:.7}
.big{font-family:var(--serif);font-size:52px;color:#fff;line-height:1}
.combo ul{padding-left:18px;margin:16px 0}
@media (max-width:900px){.combo{grid-template-columns:1fr;padding:28px}}
.steps{counter-reset:s;list-style:none;padding:0;margin:22px 0 0}
.steps li{counter-increment:s;padding:10px 0 10px 48px;position:relative;border-bottom:1px solid rgba(255,255,255,.12)}
.steps li:before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:8px;font-family:var(--serif);font-size:24px;color:var(--gold-soft)}
.alt .steps li,.plain .steps li{border-bottom-color:var(--line)}
.alt .steps li:before,.plain .steps li:before{color:var(--gold)}

/* contagem */
.countdown{display:flex;gap:10px;margin:18px 0 6px}
.countdown div{background:#fff;border:1px solid var(--line);border-radius:6px;padding:10px 14px;text-align:center;min-width:72px}
.countdown b{display:block;font-family:var(--serif);font-size:30px;color:var(--navy);font-weight:400;line-height:1.1}
.countdown span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* autor */
.author{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:center}
.author img{border-radius:4px;box-shadow:0 18px 40px rgba(13,34,64,.2)}
.stats{display:flex;gap:40px;margin:22px 0}
.stats b{font-family:var(--serif);font-size:44px;color:var(--gold);font-weight:400;display:block;line-height:1}
@media (max-width:900px){.author{grid-template-columns:1fr}.author img{max-width:320px}}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:6px;margin-bottom:10px}
summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--navy);list-style:none;position:relative;padding-right:50px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:22px;top:14px;font-size:22px;color:var(--gold)}
details[open] summary:after{content:"–"}
details p{margin:0;padding:0 22px 20px;color:var(--muted)}

/* texto longo */
.prose{max-width:760px}
.prose h2{font-size:28px;margin-top:40px}
.prose p,.prose li{color:#34404f}

/* rodapé */
footer.site{background:var(--navy-deep);color:#c9c2b5;padding:48px 0 30px;font-size:14px}
footer.site .wrap{display:grid;gap:22px}
footer.site .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
footer.site a{color:#fff;text-decoration:none;margin-right:18px}
footer.site .flogo{background:#fff;padding:10px 14px;border-radius:4px;display:inline-block}
footer.site .flogo img{height:34px;width:auto}

/* barra fixa no celular */
.mobile-cta{display:none}
@media (max-width:700px){
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--paper);border-top:1px solid var(--line);padding:10px 14px;gap:10px;align-items:center;justify-content:space-between;box-shadow:0 -6px 20px rgba(0,0,0,.08)}
  .mobile-cta .btn{padding:12px 18px;font-size:14px}
  body.has-cta{padding-bottom:74px}
}

/* consentimento */
#consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;max-width:560px;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 14px 40px rgba(0,0,0,.18);padding:18px 20px;font-size:14px;display:none}
#consent p{margin:0 0 12px}
#consent .actions{margin-top:0}
#consent .btn{padding:10px 18px;font-size:14px}
@media (max-width:700px){
  .topbar .wrap>span{display:none}
  .topbar .wrap{justify-content:center}
  #consent{left:10px;right:10px;bottom:10px;padding:14px 16px;font-size:13px}
  body.has-cta #consent{bottom:84px}
  h1{font-size:36px}
}