:root{
  --bg:#f6fbff; --card:#ffffff; --ink:#14284b; --muted:#4f6283; --line:#dbe8f5;
  --blue:#1f7ae0; --sun:#ffc929; --coral:#ff5a4f; --green:#17a870;
  --shadow:0 10px 30px rgba(20,40,75,.10);
  --head:"Baloo 2","Trebuchet MS",system-ui,sans-serif;
  --body:"Nunito",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){--bg:#0f1b33;--card:#16264a;--ink:#f1f6ff;--muted:#b4c3de;--line:#2a3d68;--shadow:0 10px 30px rgba(0,0,0,.4)}
}
:root[data-theme="dark"]{--bg:#0f1b33;--card:#16264a;--ink:#f1f6ff;--muted:#b4c3de;--line:#2a3d68;--shadow:0 10px 30px rgba(0,0,0,.4)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;height:auto}
:root{padding-top:env(safe-area-inset-top,0px)}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--head);line-height:1.1;margin:0;font-weight:800}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
.center{text-align:center}
h2{font-size:clamp(1.7rem,6vw,2.5rem);text-transform:uppercase}
.sub{color:var(--muted);margin:12px auto 0;max-width:560px}

/* botões */
.btn{display:inline-block;background:var(--coral);color:#fff;text-decoration:none;font-family:var(--head);font-weight:800;font-size:1.15rem;padding:18px 28px;border-radius:16px;box-shadow:0 8px 0 #c93c33,0 14px 24px rgba(255,90,79,.3);transition:transform .15s,box-shadow .15s;text-align:center;text-transform:uppercase}
.btn:hover{transform:translateY(2px);box-shadow:0 6px 0 #c93c33,0 10px 20px rgba(255,90,79,.3)}
.btn:active{transform:translateY(6px);box-shadow:0 2px 0 #c93c33}
.btn:focus-visible,summary:focus-visible{outline:3px solid var(--sun);outline-offset:3px}
.btn.block{display:block;width:100%;max-width:460px;margin:0 auto}
.note{font-size:.82rem;color:var(--muted);font-weight:800;letter-spacing:.04em;margin-top:18px}

/* hero */
.hero{padding-top:28px;background:radial-gradient(circle at 80% 0,rgba(255,201,41,.25),transparent 45%),var(--bg)}
.badge{display:inline-block;background:var(--ink);color:var(--bg);font-weight:800;font-size:.75rem;letter-spacing:.06em;padding:8px 14px;border-radius:99px}
.hero h1{font-size:clamp(2.1rem,8.5vw,3.7rem);text-transform:uppercase;margin:18px auto 14px;max-width:760px}
.hero .lead{font-size:1.15rem;color:var(--muted);max-width:520px;margin:0 auto}
.price-box{display:inline-block;margin:26px 0 22px;padding:18px 34px;background:var(--card);border:3px dashed var(--sun);border-radius:22px;box-shadow:var(--shadow)}
.price-box small{display:block;font-weight:800;color:var(--muted)}
.old{text-decoration:line-through;font-weight:800;color:var(--muted)}
.price{font-family:var(--head);font-weight:800;font-size:3.4rem;line-height:1;color:var(--green)}
.hero-thumbs{display:flex;justify-content:center;margin:30px 0 4px}
.hero-thumbs img{width:clamp(70px,17vw,128px);aspect-ratio:3/2;object-fit:cover;border-radius:12px;border:3px solid var(--card);box-shadow:var(--shadow);margin-left:-14px}
.hero-thumbs img:nth-child(odd){transform:rotate(-4deg)}
.hero-thumbs img:nth-child(even){transform:rotate(3deg)}
.hero-thumbs img:first-child{margin-left:0}

/* cards de materiais */
.grid{display:grid;gap:22px;margin-top:36px;grid-template-columns:1fr}
.mat{background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);text-align:left;transition:transform .2s}
.mat:hover{transform:translateY(-4px)}
.mat img{width:100%;aspect-ratio:3/2;object-fit:cover}
.mat .in{padding:18px 20px 22px}
.tag{display:inline-block;background:var(--sun);color:#14284b;font-weight:800;font-size:.75rem;padding:4px 12px;border-radius:99px}
.mat h3{font-size:1.5rem;margin:10px 0 6px}
.mat p{margin:0;color:var(--muted);font-size:.95rem}
.inc{display:inline-block;margin-top:14px;color:var(--green);font-weight:800;font-size:.9rem}

/* valor */
.value{background:var(--ink);color:#fff;border-radius:32px;padding:44px 22px;margin:0 12px}
.value h2{color:#fff}
.checks{list-style:none;padding:0;margin:26px auto;max-width:300px;text-align:left;font-weight:800;font-size:1.1rem}
.checks li{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.15)}
.checks li::before{content:"✓";display:inline-grid;place-items:center;width:26px;height:26px;margin-right:12px;background:var(--green);border-radius:50%;font-size:.9rem}
.value .big{font-family:var(--head);font-weight:800;font-size:clamp(1.6rem,6vw,2.2rem);color:var(--sun)}
.pills{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:14px 0 26px}
.pills span{border:1.5px solid rgba(255,255,255,.35);padding:6px 14px;border-radius:99px;font-weight:800;font-size:.9rem}

/* benefícios */
.ben{display:grid;gap:16px;margin-top:32px;grid-template-columns:1fr}
.b{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:18px;padding:20px;text-align:left;box-shadow:var(--shadow)}
.b:nth-child(2){border-left-color:var(--sun)}.b:nth-child(3){border-left-color:var(--coral)}.b:nth-child(4){border-left-color:var(--green)}
.b h3{font-size:1.25rem}.b h3::before{content:"✓ ";color:var(--green)}
.b p{margin:6px 0 0;color:var(--muted)}

/* oferta */
.offer-card{background:var(--card);border:4px solid var(--sun);border-radius:30px;padding:36px 22px;box-shadow:var(--shadow);max-width:600px;margin:0 auto}
.stack{font-family:var(--head);font-weight:800;font-size:1.2rem;margin:20px 0}
.stack i{display:block;font-style:normal;color:var(--coral);font-size:1.4rem}
.offer-card .price{font-size:4.4rem;margin-bottom:22px}

/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:16px;margin:12px 0;box-shadow:var(--shadow)}
summary{cursor:pointer;padding:18px 20px;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--blue);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin:0;padding:0 20px 18px;color:var(--muted)}
.faq{max-width:700px;margin:30px auto 0;text-align:left}

/* final */
.final{background:linear-gradient(135deg,var(--blue),#0f4fa8);color:#fff;border-radius:32px;margin:0 12px;padding:50px 22px}
.final p{opacity:.95;font-size:1.15rem}
footer{text-align:center;color:var(--muted);font-size:.8rem;padding:30px 20px}

/* CTA fixo */
.sticky{position:fixed;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:999;background:var(--ink);color:#fff;border-radius:18px;padding:10px 10px 10px 18px;display:flex;align-items:center;justify-content:space-between;gap:10px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.sticky b{font-family:var(--head);font-size:1rem;line-height:1.15}
.sticky .btn{padding:12px 20px;font-size:1rem;box-shadow:none;animation:pulse 2.6s ease-in-out infinite;white-space:nowrap}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
@media (prefers-reduced-motion:reduce){.sticky .btn{animation:none}html{scroll-behavior:auto}.mat{transition:none}}

@media (min-width:700px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .ben{grid-template-columns:repeat(2,1fr)}
  .value,.final{margin:0 auto;max-width:900px}
  section{padding:80px 0}
}
@media (min-width:960px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .sticky{left:auto;right:24px;bottom:24px;width:auto;max-width:380px;padding:8px 8px 8px 16px}
  .sticky b{font-size:.9rem}
}