/* G&M Aquecedores — estilo das páginas internas (mesma identidade da home) */
/* Fontes hospedadas no próprio domínio (antes: Google Fonts) */
@font-face{font-family:'Bebas Neue';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/bebas-neue-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/barlow-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/barlow-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/barlow-latin-700-normal.woff2) format('woff2')}
:root{--red:#CC0000;--red-dark:#A00000;--red-light:#fdf0f0;--black:#111;--gray-d:#333;--gray-m:#666;--gray-l:#F5F5F5;--border:#E2E2E2;--white:#fff;--fh:'Bebas Neue',sans-serif;--fb:'Barlow',sans-serif;--r:6px;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--white);color:var(--black);line-height:1.7;font-size:1.05rem}
img{max-width:100%;height:auto;display:block}
a{color:var(--red)}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:999}
/* header */
.hd{position:sticky;top:0;z-index:50;background:var(--black);border-bottom:3px solid var(--red)}
.hd .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.brand img{width:46px;height:46px;border-radius:4px}
.brand strong{font-family:var(--fh);font-size:1.5rem;letter-spacing:.04em;font-weight:400;line-height:1;white-space:nowrap}
.nav{display:flex;gap:4px;list-style:none;flex-wrap:wrap}
.nav a{color:#ddd;text-decoration:none;font-size:.86rem;font-weight:600;padding:8px 10px;border-radius:4px;letter-spacing:.02em}
.nav a:hover,.nav a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.08)}
.nav .cta{background:var(--red);color:#fff}
.nav .cta:hover{background:var(--red-dark)}
/* menu Segmentos */
.dd{position:relative}
.ddb{background:none;border:0;cursor:pointer;font-family:inherit;color:#ddd;font-size:.86rem;font-weight:600;padding:8px 10px;border-radius:4px;letter-spacing:.02em;display:flex;align-items:center;gap:5px}
.ddb:hover,.dd:focus-within .ddb,.dd.cur .ddb{color:#fff;background:rgba(255,255,255,.08)}
.ddb span{font-size:.7rem;transition:transform .2s}
.dd:hover .ddb span,.dd.open .ddb span{transform:rotate(180deg)}
.ddm{position:absolute;top:100%;left:0;min-width:220px;list-style:none;background:var(--black);border:1px solid #333;border-top:3px solid var(--red);border-radius:0 0 var(--r) var(--r);padding:6px 0;box-shadow:0 14px 30px rgba(0,0,0,.35);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:70}
.dd::after{content:"";position:absolute;left:0;right:0;top:100%;height:10px}
.dd:hover .ddm,.dd:focus-within .ddm,.dd.open .ddm{opacity:1;visibility:visible;transform:translateY(8px)}
.ddm a{display:block;padding:10px 16px;border-radius:0;white-space:nowrap}
.hbg{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer;padding:6px 10px}
@media(max-width:1060px){.hbg{display:block}.nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--black);flex-direction:column;padding:10px 20px 18px;border-bottom:3px solid var(--red)}.nav.open{display:flex}.nav a{font-size:1rem;padding:12px 8px}.ddb{font-size:1rem;padding:12px 8px;width:100%;color:#ff6b6b}.ddm{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:none;padding:0 0 0 14px}.dd::after{display:none}.dd:hover .ddm,.dd.open .ddm{transform:none}}
/* breadcrumb */
.bc{background:var(--gray-l);font-size:.85rem;padding:10px 0;color:var(--gray-m)}
.bc ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.bc li+li::before{content:"›";margin-right:6px}
.bc a{color:var(--gray-d);text-decoration:none}
/* hero */
.ph{background:linear-gradient(120deg,#111 0%,#2a0000 100%);color:#fff;padding:56px 0 48px}
.ph .lbl{display:inline-block;color:#ff6b6b;font-size:.75rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;margin-bottom:10px}
.ph h1{font-family:var(--fh);font-weight:400;font-size:clamp(2.1rem,5vw,3.6rem);line-height:1;letter-spacing:.02em;margin-bottom:16px}
.ph p{max-width:760px;color:rgba(255,255,255,.85);font-size:1.08rem}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:var(--r);font-weight:700;text-decoration:none;font-size:.95rem}
.btn-r{background:var(--red);color:#fff}.btn-r:hover{background:var(--red-dark)}
.btn-w{background:#fff;color:var(--black)}.btn-wa{background:#25D366;color:#fff}
/* conteúdo */
main section{padding:52px 0}
main section:nth-of-type(even){background:var(--gray-l)}
h2{font-family:var(--fh);font-weight:400;font-size:clamp(1.7rem,3.5vw,2.4rem);letter-spacing:.02em;line-height:1.1;margin-bottom:16px}
h2 span{color:var(--red)}
h3{font-size:1.15rem;margin:22px 0 8px}
p{margin-bottom:14px;color:var(--gray-d)}
ul.list,ol.list{margin:0 0 16px 22px;color:var(--gray-d)}
ul.list li,ol.list li{margin-bottom:8px}
.resumo{background:var(--red-light);border-left:4px solid var(--red);padding:18px 20px;border-radius:0 var(--r) var(--r) 0;margin:0 0 8px}
.resumo p:last-child{margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:18px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:20px}
.card h3{margin-top:0}
.card p{font-size:.97rem;margin:0}
a.card{text-decoration:none;color:inherit;transition:border-color .2s,transform .2s}
a.card:hover{border-color:var(--red);transform:translateY(-2px)}
a.card .more{display:inline-block;margin-top:10px;color:var(--red);font-weight:700;font-size:.9rem}
table{width:100%;border-collapse:collapse;margin:14px 0 18px;background:#fff;font-size:.96rem}
th,td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--black);color:#fff;font-weight:600}
.faq details{background:#fff;border:1px solid var(--border);border-radius:var(--r);margin-bottom:10px}
.faq summary{cursor:pointer;padding:16px 18px;font-weight:700;list-style:none;position:relative;padding-right:44px}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:1.4rem;color:var(--red)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 18px 14px}
.alerta{background:#fff7e6;border:1px solid #f0c36d;border-radius:var(--r);padding:16px 18px;margin:16px 0}
.ctab{background:var(--red);color:#fff;padding:44px 0;text-align:center}
.ctab h2{color:#fff}.ctab p{color:rgba(255,255,255,.9)}
.ctab .acts{justify-content:center}
.rel{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.rel a{background:#fff;border:1px solid var(--border);padding:8px 14px;border-radius:20px;text-decoration:none;color:var(--gray-d);font-size:.9rem}
.rel a:hover{border-color:var(--red);color:var(--red)}
/* footer */
footer{background:var(--black);color:#bbb;padding:44px 0 24px;font-size:.92rem}
.ft{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:28px}
@media(max-width:1000px){.ft{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:800px){.ft{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.ft{grid-template-columns:1fr}}
footer h4{color:#fff;font-family:var(--fh);font-weight:400;font-size:1.25rem;letter-spacing:.04em;margin-bottom:10px}
footer ul{list-style:none}footer li{margin-bottom:6px}
footer a{color:#bbb;text-decoration:none}footer a:hover{color:#fff}
footer address{font-style:normal}
.fb{border-top:1px solid #333;margin-top:28px;padding-top:16px;font-size:.82rem;color:#888}
.waf{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:60}

/* data de atualização e revisão técnica */
.upd{margin:18px 0 0;font-size:.85rem;color:rgba(255,255,255,.7)}
.upd time{color:#fff}
/* tabelas no celular: rolagem lateral em vez de estourar a página */
@media(max-width:640px){table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}td,th{min-width:120px}}
td{overflow-wrap:anywhere}