/* Páginas de produto (meio-fio, tubo, artefatos) — mesmo visual do index */
:root{
  --ink:#0f1012; --ink-2:#16171a; --ink-3:#1e2024; --line:#2a2c31;
  --g:#8cc63f; --g-d:#6a9e2a; --g-soft:rgba(140,198,63,.12);
  --txt:#f2f2ee; --txt-2:#d3d5d1; --mut:#9a9da3;
  --wa:#25d366; --cond:'Archivo Narrow','Arial Narrow',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Archivo',system-ui,Arial,sans-serif;background:var(--ink);color:var(--txt);line-height:1.6;overflow-x:clip;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 5vw}
@media(min-width:1400px){.wrap{padding:0 40px}}
.kick{display:inline-flex;gap:12px;align-items:center;font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--g);font-weight:600}
.kick::before{content:"";width:38px;height:2px;background:var(--g)}
h1,h2{font-family:var(--cond);font-weight:700;text-transform:uppercase;letter-spacing:-.01em;line-height:.92}
h1{font-size:clamp(42px,6vw,84px);margin:16px 0 18px}
h1 em,h2 em{font-style:normal;color:var(--g)}
h2{font-size:clamp(32px,4vw,54px);margin:14px 0 22px}
h3{font-size:19px;line-height:1.25}
section{padding:80px 0}
.lead{color:var(--txt-2);font-size:18px;max-width:600px}
p{color:var(--txt-2)}

.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15px;padding:15px 24px;border-radius:999px;transition:.25s;border:0;font-family:inherit;line-height:1.2;cursor:pointer}
.btn svg{width:20px;height:20px;flex-shrink:0}
.btn-wa{background:var(--wa);color:#05210f}
.btn-wa:hover{background:#3be27b;transform:translateY(-2px)}
.btn-ghost{color:var(--txt);border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--txt);background:rgba(255,255,255,.06)}

header{position:sticky;top:0;z-index:50;background:rgba(15,16,18,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line);padding:10px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{background:#fff;border-radius:8px;padding:7px 13px;display:inline-flex}
.brand img{height:40px;width:auto}
.nav .voltar{font-size:13.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--txt-2)}
.nav .voltar:hover{color:var(--g)}
.nav .btn{padding:11px 18px;font-size:14px}

.crumbs{font-size:13px;color:var(--mut);padding-top:26px}
.crumbs a:hover{color:var(--g)}
.hero{padding:30px 0 70px}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--ink-2)}
.hero figure img{width:100%;height:100%;object-fit:cover}
.selos{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.selos span{font-size:13.5px;font-weight:600;color:var(--txt);background:var(--ink-3);border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.selos span b{color:var(--g)}

.alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.medidas{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.med{background:var(--ink-3);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:8px}
.med .tag{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--g)}
.med .dim{font-family:var(--cond);font-weight:700;font-size:30px;line-height:1}
.med p{font-size:14.5px}
.med a{margin-top:auto;padding-top:10px;font-size:14px;font-weight:700;color:var(--wa);display:inline-flex;gap:8px;align-items:center}
.med a svg{width:18px;height:18px}
.med img{border-radius:10px;background:#1a1b1f;margin-bottom:6px;aspect-ratio:4/3;object-fit:contain}
.obs{font-size:13.5px;color:var(--mut);margin-top:18px}

.usos{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:8px}
.usos div{border-left:3px solid var(--g);padding:6px 0 6px 16px}
.usos b{display:block;font-size:16.5px;color:var(--txt)}
.usos span{font-size:14.5px;color:var(--txt-2)}

.calc{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.calc .box{background:var(--ink-3);border:1px solid var(--line);border-radius:18px;padding:26px}
.calc label{font-size:13px;font-weight:600;color:var(--mut);text-transform:uppercase;letter-spacing:.08em;display:block;margin-bottom:6px}
.calc select,.calc input{width:100%;font:inherit;font-size:17px;color:var(--txt);background:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:16px}
.calc .res{display:flex;align-items:baseline;gap:10px;margin:4px 0 18px}
.calc .res b{font-family:var(--cond);font-size:56px;line-height:1;color:var(--g)}
.calc .res small{color:var(--txt-2);font-size:15px}

.cities{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.cities span{font-size:15px;font-weight:600;border:1px solid var(--line);border-radius:999px;padding:8px 16px;color:var(--txt-2)}
.cities span.main{background:var(--g);border-color:var(--g);color:var(--ink)}

.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--g);font-size:24px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:10px;max-width:820px}

.outros{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.outros a{background:var(--ink-3);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s}
.outros a:hover{border-color:var(--g);transform:translateY(-3px)}
.outros img{aspect-ratio:4/3;object-fit:cover;width:100%;height:auto}
.outros span{display:block;padding:12px 16px;font-weight:700}
.outros small{display:block;padding:0 16px 14px;color:var(--mut);font-size:13px;font-weight:500;margin-top:-6px}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{background:var(--ink-3);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:15px}
.chips span b{display:block;color:var(--txt)}
.chips span small{color:var(--mut);font-size:13px}

.final{text-align:center}
.final .lead{margin:0 auto 26px}

footer{padding:44px 0 100px;border-top:1px solid var(--line);color:var(--mut)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot p{font-size:14px;max-width:460px}
.foot nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}
.foot nav a:hover{color:var(--g)}
footer small{display:block;font-size:12.5px;color:#6b6e74;margin-top:26px;line-height:1.7}
footer small a{text-decoration:underline}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.wa-float svg{width:32px;height:32px;color:#fff}

@media(max-width:900px){
  .hero .grid,.calc{grid-template-columns:1fr;gap:30px}
  .hero figure{order:-1}
  section{padding:60px 0}
}
@media(max-width:560px){
  .nav .voltar{display:none}
  .nav .btn span{display:none}
  .nav .btn{padding:11px 13px}
  .hero .cta .btn{width:100%;justify-content:center}
  .kick{letter-spacing:.14em;font-size:12px}
  .kick::before{width:24px}
}