/* ===== Base / Tokens ===== */
:root{
  --navy:#1f2b52;
  --navy-2:#161f3d;
  --navy-3:#28356a;
  --gold:#f0a935;
  --gold-2:#f6c463;
  --cream:#f7f4ee;
  --ink:#1a1d29;
  --muted:#5c6478;
  --white:#ffffff;
  --radius:18px;
  --shadow:0 18px 45px rgba(22,31,61,.14);
  --shadow-sm:0 8px 20px rgba(22,31,61,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;line-height:1.1;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1140px,92%);margin-inline:auto}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem 1.8rem;border-radius:999px;font-weight:600;font-size:.98rem;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  border:2px solid transparent;white-space:nowrap;
}
.btn-sm{padding:.65rem 1.3rem;font-size:.9rem}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy-2);box-shadow:0 10px 24px rgba(240,169,53,.4)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(240,169,53,.5)}
.btn-ghost{border-color:rgba(31,43,82,.25);color:var(--navy)}
.btn-ghost:hover{border-color:var(--navy);transform:translateY(-2px)}
.btn-ghost.light{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost.light:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,244,238,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(31,43,82,.08)}
.header-inner{display:flex;align-items:center;gap:1.5rem;padding:.9rem 0}
.brand-name{font-family:'Fraunces',serif;font-size:1.35rem;color:var(--navy);letter-spacing:.5px}
.brand-name strong{color:var(--gold);font-weight:700}
.nav{display:flex;gap:1.8rem;margin-left:auto;font-weight:500;font-size:.95rem;color:var(--navy)}
.nav a{position:relative;padding:.2rem 0}
.nav a::after{content:'';position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--gold);transition:width .2s}
.nav a:hover::after{width:100%}
.header-inner .btn-sm{margin-left:.5rem}

/* ===== Hero ===== */
.hero{background:radial-gradient(circle at 80% 0%,#e9e2d4 0%,var(--cream) 55%);padding:clamp(3rem,7vw,6rem) 0}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.eyebrow.center{display:block;text-align:center}
.hero h1{font-size:clamp(2.6rem,6vw,4.3rem);color:var(--navy);margin-bottom:1.2rem}
.hero h1 .hl{color:var(--gold);font-style:italic}
.lead{font-size:1.15rem;color:var(--muted);max-width:36ch;margin-bottom:2rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}
.hero-social{display:flex;gap:.7rem;flex-wrap:wrap}
.pill{background:rgba(31,43,82,.07);color:var(--navy);font-weight:600;font-size:.85rem;padding:.4rem 1rem;border-radius:999px}

.hero-photo{position:relative}
.photo-frame{position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,var(--navy-3),var(--navy-2));box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}
.photo-frame img{width:100%;height:100%;object-fit:cover}
.photo-fallback{display:none;color:rgba(255,255,255,.6);font-weight:600;letter-spacing:1px}
.photo-frame.photo-placeholder .photo-fallback{display:block}
.photo-frame.small{aspect-ratio:1/1;max-width:420px}
.hero-badge{position:absolute;bottom:-14px;left:-14px;background:var(--gold);color:var(--navy-2);font-weight:700;font-size:.85rem;padding:.6rem 1.2rem;border-radius:999px;box-shadow:var(--shadow-sm)}

/* ===== Marquee ===== */
.marquee{background:var(--navy);color:var(--cream);overflow:hidden;padding:.9rem 0}
.marquee-track{display:flex;gap:2.5rem;white-space:nowrap;width:max-content;animation:scroll 22s linear infinite;font-family:'Fraunces',serif;font-size:1.05rem;align-items:center}
.marquee-track span:nth-child(even){color:var(--gold)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== Sections ===== */
.section{padding:clamp(3.5rem,8vw,6rem) 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 3rem}
.section-head h2{font-size:clamp(2rem,4vw,2.9rem);color:var(--navy)}
.section-sub{color:var(--muted);margin-top:.6rem}

/* ===== Books ===== */
.books{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.book-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:175px 1fr;transition:transform .2s,box-shadow .2s}
.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.book-cover{position:relative;display:flex;align-items:center;justify-content:center;min-height:260px;overflow:hidden}
.book-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cover-cade{background:linear-gradient(160deg,#6b4a32,#3f2a1c)}
.cover-two{background:linear-gradient(160deg,var(--navy-3),var(--navy-2))}
.cover-text{position:relative;z-index:1;text-align:center;color:var(--cream);padding:1rem;display:flex;flex-direction:column;gap:.15rem}
.cover-tesouro{background:linear-gradient(160deg,#3a4a7d,var(--navy-2))}
.cover-tesouro img{object-fit:contain;padding:0;transform:scale(1.5);transform-origin:center}
.book-cover img + .cover-text{display:none}
.book-cover.cover-fallback .cover-text{display:flex}
.cover-text span{font-family:'Fraunces',serif;font-style:italic;font-size:1rem;opacity:.85}
.cover-text strong{font-family:'Fraunces',serif;font-size:1.7rem;letter-spacing:1px}
.cover-text em{font-size:.7rem;letter-spacing:2px;text-transform:uppercase;opacity:.7;margin-top:.5rem}
.book-info{padding:1.5rem}
.book-info h3{font-size:1.35rem;color:var(--navy);margin-bottom:.6rem}
.book-info h3 .tag{display:inline-block;font-family:'Inter',sans-serif;font-size:.65rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--gold);background:rgba(240,169,53,.12);padding:.2rem .6rem;border-radius:6px;vertical-align:middle}
.book-desc{color:var(--muted);font-size:.95rem;margin-bottom:1.3rem}
.book-buy{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.book-buy .btn{width:100%}
.price{font-family:'Fraunces',serif;font-size:1.9rem;color:var(--navy);font-weight:600}
.price small{font-size:.9rem;color:var(--muted)}
.buy-info{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.5rem}
.buy-info-item{background:var(--white);border-radius:14px;padding:1.1rem 1rem;text-align:center;box-shadow:var(--shadow-sm)}
.buy-info-item strong{display:block;font-family:'Fraunces',serif;color:var(--gold);font-size:1.15rem;margin-bottom:.2rem}
.buy-info-item span{color:var(--muted);font-size:.85rem}
.buy-note{text-align:center;color:var(--muted);font-size:.9rem;margin-top:1.4rem}

/* ===== Sobre ===== */
.section-dark{background:var(--navy);color:var(--cream)}
.sobre-inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.section-dark .eyebrow{color:var(--gold-2)}
.section-dark h2{color:#fff;margin-bottom:1.2rem}
.sobre-text p{color:rgba(247,244,238,.8);margin-bottom:1.5rem}
.check-list{list-style:none;margin-bottom:2rem;display:grid;gap:.7rem}
.check-list li{padding-left:1.9rem;position:relative;color:rgba(247,244,238,.9)}
.check-list li::before{content:'\2713';position:absolute;left:0;top:0;width:1.3rem;height:1.3rem;background:var(--gold);color:var(--navy-2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700}

/* ===== Depoimentos ===== */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.testi{background:var(--white);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-sm);border-top:4px solid var(--gold)}
.testi p{font-family:'Fraunces',serif;font-style:italic;color:var(--navy);margin-bottom:1rem;font-size:1.05rem}
.testi cite{color:var(--muted);font-style:normal;font-weight:600;font-size:.9rem}

/* ===== CTA Band ===== */
.cta-band{background:linear-gradient(135deg,var(--navy-2),var(--navy-3))}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;color:var(--cream)}
.cta-band .eyebrow{color:var(--gold-2)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(247,244,238,.8)}
.cta-actions{display:flex;gap:1rem;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--navy-2);color:var(--cream)}
.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding:3rem 0}
.footer-brand p{color:rgba(247,244,238,.6);margin-top:.5rem;font-size:.92rem}
.footer-links{display:flex;flex-direction:column;gap:.7rem}
.footer-links a{color:rgba(247,244,238,.8);font-size:.95rem}
.footer-links a:hover{color:var(--gold-2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.2rem 0;font-size:.85rem}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;color:rgba(247,244,238,.55)}
.footer-bottom .made{color:var(--gold-2)}

/* ===== WhatsApp float ===== */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 25px rgba(37,211,102,.5);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}

/* ===== Responsivo ===== */
@media(max-width:860px){
  .nav{display:none}
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero .lead{margin-inline:auto}
  .hero-cta,.hero-social{justify-content:center}
  .hero-photo{max-width:360px;margin:0 auto}
  .books{grid-template-columns:1fr}
  .buy-info{grid-template-columns:repeat(2,1fr)}
  .sobre-inner{grid-template-columns:1fr;text-align:center}
  .sobre-photo{max-width:360px;margin:0 auto}
  .check-list{text-align:left;max-width:320px;margin-inline:auto 2rem}
  .testimonials{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .book-card{grid-template-columns:1fr}
  .book-cover{min-height:200px}
  .header-inner .btn-sm{display:none}
}