:root{
  --primary:#C8262E;
  --primary-dark:#000000;
  --accent:#25d366;
  --accent-hover:#1fb857;
  --ink:#111827;
  --ink-soft:#4b5563;
  --bg:#ffffff;
  --bg-alt:#f5f5f5;
  --radius:14px;
  --shadow:0 10px 30px rgba(17,24,39,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
section{padding:64px 20px}
.wrap{max-width:1080px;margin:0 auto}
.center{text-align:center}
h2{font-size:clamp(1.6rem,4vw,2.2rem);line-height:1.2;margin-bottom:.5em;color:var(--primary-dark)}
.kicker{display:inline-block;font-weight:700;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);background:rgba(200,38,46,.10);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.lead{color:var(--ink-soft);font-size:clamp(1rem,2.5vw,1.15rem);max-width:640px}
.center .lead{margin-inline:auto}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:14px 28px;border:none;border-radius:var(--radius);
  background:var(--accent);color:#fff;font-size:1.05rem;font-weight:700;
  text-decoration:none;cursor:pointer;
  box-shadow:0 6px 18px rgba(37,211,102,.35);
  transition:transform .15s ease,background .15s ease;
}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--primary);outline-offset:3px}
.microcopy{font-size:.85rem;color:var(--ink-soft);margin-top:10px}

/* ---------- 6.1 Barra superior fixa ---------- */
.topbar{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid #e5e7eb;
}
.topbar-inner{max-width:1080px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 20px}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;font-size:1.05rem;color:var(--primary-dark);text-decoration:none;line-height:1.2}
.logo img{height:40px;width:auto;border-radius:6px;object-fit:contain}
.logo small{display:block;font-size:.68rem;font-weight:600;color:var(--ink-soft);letter-spacing:.06em;text-transform:uppercase}
.topbar .btn{min-height:44px;padding:10px 18px;font-size:.95rem}

/* ---------- 6.2 Hero / Primeira dobra ---------- */
.hero{background:linear-gradient(160deg,var(--primary-dark),var(--primary));color:#fff;padding:72px 20px 80px}
.hero-grid{max-width:1080px;margin:0 auto;display:grid;gap:40px;align-items:center}
@media(min-width:800px){.hero-grid{grid-template-columns:1fr 1fr}}
.hero h1{font-size:clamp(1.9rem,5.4vw,3.1rem);line-height:1.15;font-weight:800;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .kicker{color:#FFC72C;background:none;padding:0}
.hero .lead{color:#f0f0f0}
.hero-cta{margin-top:26px;display:flex;flex-direction:column;align-items:flex-start;gap:4px}
@media(min-width:800px){.hero-cta{align-items:flex-start}}
.hero .microcopy{color:#d3d3d3}
.hero-gallery{position:relative;width:min(100%,560px);aspect-ratio:4/3;border-radius:18px;overflow:hidden;justify-self:center;background:#000;box-shadow:0 20px 40px rgba(0,0,0,.35)}
.hero-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s ease;z-index:1}
.hero-slide.active{opacity:1;z-index:2}
.hero-dots{position:absolute;left:0;right:0;bottom:10px;z-index:3;display:flex;justify-content:center;gap:7px}
.hero-dots button{width:9px;height:9px;border-radius:50%;border:none;padding:0;background:rgba(255,255,255,.5);cursor:pointer;transition:background .2s ease}
.hero-dots button.active{background:#fff}
.hero-dots button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 6.3 Problema + Solução ---------- */
.pains{list-style:none;display:grid;gap:12px;max-width:640px;margin:24px auto 32px;text-align:left}
.pains li{background:var(--bg-alt);border-left:4px solid var(--primary);border-radius:10px;padding:14px 18px;font-weight:600;color:var(--ink)}
.solution{max-width:720px;margin:0 auto;color:var(--ink-soft)}
.solution strong{color:var(--primary-dark)}

/* ---------- 6.4 Como funciona ---------- */
.steps{display:grid;gap:24px;margin-top:36px}
@media(min-width:800px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--bg-alt);border-radius:var(--radius);padding:28px 22px;text-align:center;box-shadow:var(--shadow)}
.step-num{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;font-size:1.1rem;margin-bottom:14px}
.step svg{margin:0 auto 10px}
.step h3{font-size:1.1rem;margin-bottom:6px;color:var(--primary-dark)}
.step p{color:var(--ink-soft);font-size:.95rem}

/* ---------- 6.5 Prova social ---------- */
.social{background:var(--bg-alt)}
.testimonials{display:grid;gap:22px;margin-top:36px}
@media(min-width:800px){.testimonials{grid-template-columns:repeat(3,1fr)}}
.t-card{background:#fff;border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);text-align:left}
.stars{color:#f59e0b;letter-spacing:2px;margin-bottom:10px}
.t-card blockquote{font-size:.97rem;color:var(--ink);margin-bottom:14px}
.t-author{display:flex;align-items:center;gap:12px}
.t-avatar{width:44px;height:44px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;font-size:.88rem;text-transform:uppercase;letter-spacing:.03em}
.t-author strong{display:block;font-size:.95rem;line-height:1.2}
.t-author span{font-size:.8rem;color:var(--ink-soft)}

.teacher{display:grid;gap:32px;align-items:center;margin-top:56px}
@media(min-width:800px){.teacher{grid-template-columns:.8fr 1.2fr}}
.teacher-photo{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;display:grid;place-items:center}
.teacher-photo img{width:100%;height:auto;border-radius:10px;object-fit:cover}
.checklist{list-style:none;display:grid;gap:14px;text-align:left}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-soft)}
.checklist li strong{color:var(--ink)}
.checklist svg{flex-shrink:0;margin-top:4px}

.stats{display:grid;gap:20px;margin-top:56px}
@media(min-width:800px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat{background:var(--primary-dark);color:#fff;border-radius:var(--radius);padding:26px 18px}
.stat b{display:block;font-size:clamp(1.8rem,4vw,2.4rem);color:var(--accent);line-height:1.1}
.stat span{font-size:.92rem;color:#d3d3d3}

/* ---------- 6.6 Oferta ---------- */
.offer-card{
  max-width:520px;margin:36px auto 0;background:#fff;border-radius:18px;
  border:2px solid var(--accent);box-shadow:0 16px 48px rgba(37,211,102,.18);
  padding:36px 28px;text-align:center;
}
.offer-badge{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;padding:6px 16px;border-radius:999px;margin-bottom:18px}
.offer-card ul{list-style:none;text-align:left;display:grid;gap:10px;margin:20px 0 26px;color:var(--ink-soft)}
.offer-card ul li{display:flex;gap:10px;align-items:flex-start}
.price{font-size:clamp(2rem,6vw,2.8rem);font-weight:800;color:var(--primary-dark);line-height:1.1}
.price-note{font-size:.85rem;color:var(--ink-soft);margin-bottom:22px}
.plans-note{margin:18px 0 0;padding:12px 14px;background:var(--bg-alt);border-radius:10px;font-size:.92rem;color:var(--ink-soft);text-align:left}
.plans-note strong{color:var(--primary-dark)}

/* ---------- 6.7 FAQ ---------- */
.faq-list{max-width:720px;margin:32px auto 0;display:grid;gap:12px}
.faq-item{background:var(--bg-alt);border-radius:12px;overflow:hidden}
.faq-q{
  width:100%;min-height:52px;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:16px 20px;border:none;background:none;cursor:pointer;
  font:inherit;font-weight:700;color:var(--primary-dark);text-align:left;
}
.faq-q:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}
.faq-q .chev{transition:transform .2s ease;flex-shrink:0}
.faq-q[aria-expanded="true"] .chev{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--ink-soft);font-size:.97rem}
.faq-a.open{display:block}

/* ---------- 6.8 CTA final ---------- */
.final{background:linear-gradient(160deg,var(--primary-dark),var(--primary));color:#fff}
.final h2{color:#fff}
.final .lead{color:#f0f0f0}
.final .microcopy{color:#d3d3d3}

footer{background:var(--primary-dark);color:#d3d3d3;padding:32px 20px;font-size:.88rem}
.footer-inner{max-width:1080px;margin:0 auto;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.footer-logo{height:64px;width:auto;border-radius:10px;object-fit:contain;margin-bottom:10px}
.socials{display:flex;gap:14px}
.socials a{color:#d3d3d3;display:inline-flex;padding:6px;border-radius:8px}
.socials a:hover{color:#fff}
.socials a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 6.9 Botão flutuante WhatsApp ---------- */
.wa-float{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:60px;height:60px;border-radius:50%;
  background:var(--accent);display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(37,211,102,.45);
  transition:transform .15s ease;
}
.wa-float:hover{transform:scale(1.08)}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}