/* =========================================================
   ISO Técnica — Design System
   Identidade tirada do logo: escudo azul-marinho + chama
   ========================================================= */
:root{
  /* Marinho do escudo e da placa do logo */
  --navy:        #2C2D31;
  --navy-800:    #26272B;
  --navy-900:    #1B1C1F;
  --navy-700:    #3A3B41;
  --navy-600:    #4A4B52;
  --navy-100:    #E7E7E9;

  /* Chama do logo: amarelo -> laranja -> vermelho */
  --flame-1:     #FFC01E;
  --flame-2:     #FF8A00;
  --flame-3:     #FF5A0F;
  --flame-4:     #E8192C;
  --orange:      #FF6A13;
  --orange-600:  #E45200;
  --gradiente-chama: linear-gradient(170deg, var(--flame-1) 0%, var(--flame-2) 32%, var(--flame-3) 66%, var(--flame-4) 100%);
  --gradiente-cta:   linear-gradient(120deg, #FF8A00, #FF5A0F 60%, #EE2A28);

  --branco:      #FFFFFF;
  --papel:       #F5F6FA;
  --papel-2:     #EAECF4;
  --tx:          #1F1F22;
  --tx-medio:    #55565C;
  --tx-suave:    #84858C;
  --tx-claro:    #ECECEE;
  --tx-claro-2:  #B3B4BA;

  --linha:       rgba(44,45,49,.16);
  --linha-esc:   rgba(255,255,255,.12);

  --r-sm:6px; --r:10px; --r-lg:14px; --r-xl:18px;
  --sombra-s: 0 1px 3px rgba(30,27,75,.07);
  --sombra:   0 10px 26px -16px rgba(30,27,75,.30);
  --sombra-l: 0 18px 44px -24px rgba(18,16,47,.45);

  --gutter:16px; --maxw:1220px;
  --f-tit:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --f-txt:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.8,.3,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} *{animation-duration:.01ms!important;transition-duration:.01ms!important} }
body{ margin:0; font-family:var(--f-txt); color:var(--tx); background:var(--branco); line-height:1.65; overflow-x:hidden; -webkit-font-smoothing:antialiased; }
img,svg,canvas,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
p{ margin:0; }
ul{ margin:0; padding:0; }
h1,h2,h3,h4{ margin:0; font-family:var(--f-tit); font-weight:700; line-height:1.05; text-transform:uppercase; letter-spacing:.01em; }
::selection{ background:var(--orange); color:#fff; }

.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }
.sec{ padding:80px 0; position:relative; }
.sec--sm{ padding:56px 0; }
.sec--papel{ background:var(--papel); }
.sec--navy{ background:var(--navy); color:var(--tx-claro); }
.sec--navy h1,.sec--navy h2,.sec--navy h3{ color:#fff; }
@media (max-width:760px){ .sec{ padding:56px 0 } }

/* ---- rótulo de seção: letra espaçada, igual "IMPERMEABILIZAÇÃO" do logo ---- */
.rotulo{
  display:inline-block; font-family:var(--f-txt); font-size:12px; font-weight:700;
  letter-spacing:.28em; text-transform:uppercase; color:var(--orange); margin-bottom:14px;
}
.rotulo::before{ content:"■ "; font-size:9px; vertical-align:2px; }
.sec--navy .rotulo{ color:var(--flame-1); }
.titulo{ font-size:clamp(30px,4.4vw,50px); }
.titulo em{ font-style:normal; color:var(--orange); }
.lead{ font-size:17px; color:var(--tx-medio); max-width:66ch; margin-top:16px; }
.sec--navy .lead{ color:var(--tx-claro-2); }
.cabeca{ max-width:760px; margin-bottom:44px; }
.cabeca--centro{ margin-inline:auto; text-align:center; }

/* ---- barra de chama, assinatura visual ---- */
.chama-barra{ height:4px; background:var(--orange); }
.titulo-barra{ width:52px; height:4px; background:var(--orange); margin-bottom:18px; }
.cabeca--centro .titulo-barra{ margin-inline:auto; }

/* ---- botões ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:16px 28px; border-radius:2px; border:0; cursor:pointer;
  font-family:var(--f-tit); font-size:17px; font-weight:600; letter-spacing:.07em; text-transform:uppercase;
  background:var(--orange); color:#fff; position:relative;
  transition:background .2s var(--ease), transform .15s var(--ease);
  white-space:nowrap; line-height:1;
  box-shadow:inset 0 -3px 0 rgba(0,0,0,.22);
}
.btn:hover{ background:var(--orange-600); transform:translateY(-1px); }
.btn:focus-visible{ outline:3px solid var(--flame-1); outline-offset:3px; }
.btn svg{ width:18px; height:18px; flex:none; }
.btn--navy{ background:var(--navy); }
.btn--navy:hover{ background:var(--navy-700); }
.btn--wa{ background:#20BA5A; }
.btn--wa:hover{ background:#189948; }
.btn--linha{ background:transparent; border:2px solid var(--navy); color:var(--navy); box-shadow:none; }
.btn--linha:hover{ background:var(--navy); color:#fff; }
.btn--linha-claro{ background:transparent; border:2px solid rgba(255,255,255,.4); color:#fff; box-shadow:none; }
.btn--linha-claro:hover{ background:rgba(255,255,255,.14); }
.btn--bloco{ width:100%; }
@media (max-width:620px){ .btn{ white-space:normal; text-align:center; line-height:1.2; } }

/* =========================================================
   TOPO
   ========================================================= */
.topo{ background:var(--navy-900); color:var(--tx-claro-2); font-size:13.5px; }
.topo .wrap{ display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:42px; }
.topo__fones{ display:flex; gap:18px; align-items:center; flex-wrap:wrap; }
.topo__fones a{ display:inline-flex; align-items:center; gap:7px; transition:color .2s; }
.topo__fones a:hover{ color:#fff; }
.topo svg{ width:14px; height:14px; flex:none; }
.topo__fones svg{ color:var(--flame-2); }
.topo__dir svg{ color:var(--flame-2); }
.topo__dir{ display:flex; gap:16px; align-items:center; }
.topo__dir span{ display:inline-flex; align-items:center; gap:7px; }
@media (max-width:900px){ .topo__fones a:nth-child(n+3){ display:none } }
@media (max-width:620px){ .topo__dir{ display:none } .topo .wrap{ justify-content:center } }

/* =========================================================
   CABEÇALHO + MEGA MENU
   ========================================================= */
.cab{ position:sticky; top:0; z-index:80; background:var(--navy); box-shadow:0 2px 20px rgba(18,16,47,.35); }
.cab::after{ content:""; display:block; height:3px; background:var(--orange); }
.cab .wrap{ display:flex; align-items:center; gap:18px; min-height:84px; }
.marca{ flex:none; display:block; }
.marca img{ height:52px; width:auto; }
.menu{ display:flex; align-items:center; gap:2px; margin-left:auto; height:84px; }
.menu > li{ list-style:none; height:100%; display:flex; align-items:center; position:relative; }
.menu > li > a{
  display:flex; align-items:center; height:100%; padding:0 15px;
  font-family:var(--f-tit); font-size:17px; font-weight:600; letter-spacing:.07em; text-transform:uppercase;
  color:#fff; position:relative; transition:color .2s; white-space:nowrap;
}
.menu > li > a::after{
  content:""; position:absolute; left:15px; right:15px; bottom:22px; height:3px;
  background:var(--orange); transform:scaleX(0); transform-origin:left;
  transition:transform .28s var(--ease);
}
.menu > li > a:hover::after,.menu > li[data-ativo] > a::after{ transform:scaleX(1); }
.menu > li > a .seta{ width:11px; height:11px; margin-left:7px; transition:transform .25s var(--ease); }
.menu > li:hover > a .seta{ transform:rotate(180deg); }
.menu__loja{ color:var(--flame-1) !important; }

/* mega menu */
.mega{
  position:absolute; top:84px; left:50%; transform:translateX(-50%) translateY(-10px);
  width:min(1180px,94vw); background:#fff; border-radius:0;
  box-shadow:var(--sombra-l); padding:0; opacity:0; visibility:hidden;
  transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  display:grid; grid-template-columns:270px 1fr; overflow:hidden; border-top:3px solid transparent;
}
.menu > li:hover .mega,.mega:hover,.mega[data-aberto]{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.mega__abas{ background:var(--papel); padding:22px 0; border-right:1px solid var(--linha); }
.mega__aba{
  display:flex; align-items:center; justify-content:space-between; gap:10px; width:100%;
  padding:13px 24px; background:none; border:0; cursor:pointer; text-align:left;
  font-family:var(--f-tit); font-size:16.5px; font-weight:600; letter-spacing:.04em; text-transform:uppercase;
  color:var(--navy); border-left:4px solid transparent; transition:.2s var(--ease);
}
.mega__aba span{
  font-family:var(--f-txt); font-size:11px; font-weight:700; letter-spacing:0; text-transform:none;
  background:var(--navy-100); color:var(--navy-600); padding:2px 8px; border-radius:2px;
}
.mega__aba:hover{ background:#fff; }
.mega__aba[aria-selected="true"]{ background:#fff; border-left-color:var(--orange); color:var(--orange-600); }
.mega__aba[aria-selected="true"] span{ background:var(--orange); color:#fff; }
.mega__painel{ padding:26px 30px 30px; }
.mega__painel[hidden]{ display:none; }
.mega__tit{
  font-family:var(--f-tit); font-size:13px; letter-spacing:.24em; text-transform:uppercase;
  color:var(--tx-suave); display:block; margin-bottom:16px;
}
.mega__lista{ display:grid; grid-template-columns:1fr 1fr; gap:2px 26px; }
.mega__lista a{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px;
  font-size:14.8px; color:var(--tx-medio); transition:.18s var(--ease);
}
.mega__lista a::before{
  content:""; width:7px; height:2px; background:var(--papel-2); flex:none; transition:.18s;
}
.mega__lista a:hover{ background:var(--papel); color:var(--navy); transform:translateX(3px); }
.mega__lista a:hover::before{ background:var(--orange); }
.mega__rodape{ margin-top:18px; padding-top:16px; border-top:1px solid var(--linha); }
.mega__rodape a{ display:inline-flex; align-items:center; gap:8px; font-weight:650; color:var(--orange-600); font-size:14.5px; }

.cab__cta{ flex:none; display:flex; gap:10px; align-items:center; }
.hamb{
  display:none; width:46px; height:46px; border-radius:8px; flex:none; cursor:pointer;
  background:rgba(255,255,255,.1); border:1px solid var(--linha-esc); align-items:center; justify-content:center;
}
.hamb span{ display:block; width:20px; height:2px; background:#fff; border-radius:2px; position:relative; transition:.25s var(--ease); }
.hamb span::before,.hamb span::after{ content:""; position:absolute; left:0; width:20px; height:2px; background:#fff; border-radius:2px; transition:.25s var(--ease); }
.hamb span::before{ top:-7px } .hamb span::after{ top:7px }
.hamb[aria-expanded="true"] span{ background:transparent }
.hamb[aria-expanded="true"] span::before{ top:0; transform:rotate(45deg) }
.hamb[aria-expanded="true"] span::after{ top:0; transform:rotate(-45deg) }

@media (max-width:1180px){
  .cab .wrap{ min-height:70px; }
  .marca img{ height:42px; }
  .hamb{ display:flex; }
  .menu{
    position:fixed; inset:calc(70px + var(--topo-h,42px)) 0 0 0; height:auto; margin:0;
    flex-direction:column; align-items:stretch; gap:0; background:var(--navy-900);
    padding:10px var(--gutter) 40px; overflow-y:auto; transform:translateY(-8px); opacity:0;
    pointer-events:none; transition:.25s var(--ease);
  }
  .menu[data-aberto]{ opacity:1; transform:none; pointer-events:auto; }
  .menu > li{ height:auto; display:block; border-bottom:1px solid var(--linha-esc); }
  .menu > li > a{ height:auto; padding:16px 6px; font-size:18px; }
  .menu > li > a::after{ display:none; }
  .mega{
    position:static; transform:none; width:100%; opacity:1; visibility:visible; display:block;
    box-shadow:none; border-radius:0; background:transparent; max-height:0; overflow:hidden;
    transition:max-height .3s var(--ease);
  }
  .menu > li:hover .mega{ transform:none; }
  .mega[data-aberto]{ max-height:3000px; }
  .mega__abas{ display:none; }
  .mega__painel{ padding:0 0 14px; display:block !important; }
  .mega__painel[hidden]{ display:block !important; }
  .mega__tit{ color:var(--flame-1); margin:14px 0 6px; }
  .mega__lista{ grid-template-columns:1fr; }
  .mega__lista a{ color:var(--tx-claro-2); padding:9px 6px; font-size:15px; }
  .mega__lista a:hover{ background:rgba(255,255,255,.06); color:#fff; }
  .cab__cta .btn{ padding:12px 18px; font-size:15px; }
}
@media (max-width:520px){
  .marca img{ height:36px; }
  .cab__cta .btn span{ display:none; }
  .cab__cta .btn{ padding:12px 14px; }
}

/* =========================================================
   RODAPÉ
   ========================================================= */
.rodape{ background:var(--navy-900); color:var(--tx-claro-2); padding:64px 0 0; }
.rodape__grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:38px; }
.rodape img.marca-rod{ height:54px; margin-bottom:18px; }
.rodape h4{ color:#fff; font-size:17px; letter-spacing:.08em; margin-bottom:18px; position:relative; padding-bottom:12px; }
.rodape h4::after{ content:""; position:absolute; left:0; bottom:0; width:38px; height:3px; background:var(--orange); }
.rodape ul li{ list-style:none; margin-bottom:10px; font-size:14.5px; }
.rodape a:hover{ color:#fff; }
.rodape__contato li{ display:flex; gap:10px; align-items:flex-start; }
.rodape__contato svg{ width:16px; height:16px; color:var(--flame-2); flex:none; margin-top:4px; }
.rodape__fim{ margin-top:48px; border-top:1px solid var(--linha-esc); padding:20px 0; font-size:13px; color:var(--tx-suave); display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; }
@media (max-width:900px){ .rodape__grid{ grid-template-columns:1fr 1fr } }
@media (max-width:560px){ .rodape__grid{ grid-template-columns:1fr; gap:30px } }

/* ---- whatsapp flutuante ---- */
.wa{
  position:fixed; right:16px; bottom:16px; z-index:90; display:inline-flex; align-items:center; gap:10px;
  background:#20BA5A; color:#fff; font-weight:650; font-size:15px; padding:15px 20px; border-radius:3px;
  box-shadow:0 8px 20px -8px rgba(0,0,0,.45); transition:background .2s var(--ease);
}
.wa:hover{ background:#189948; }
.wa svg{ width:22px; height:22px; }
@media (max-width:600px){ .wa span{ display:none } .wa{ padding:16px } }

/* ---- utilidades ---- */
.sr{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
.js [data-rev]{ opacity:0; transform:translateY(20px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-rev].vis{ opacity:1; transform:none; }
.grade{ display:grid; gap:20px; }
.g-2{ grid-template-columns:repeat(2,1fr) } .g-3{ grid-template-columns:repeat(3,1fr) } .g-4{ grid-template-columns:repeat(4,1fr) }
@media (max-width:1000px){ .g-4{grid-template-columns:repeat(2,1fr)} .g-3{grid-template-columns:repeat(2,1fr)} }
@media (max-width:660px){ .g-2,.g-3,.g-4{grid-template-columns:1fr} }

/* telas estreitas: títulos longos quebram dentro da coluna e o banner não vaza */
.titulo,.hero h1,.capa h1{ overflow-wrap:anywhere; }
.hero,.capa{ overflow-x:clip; }
@media (max-width:420px){ .titulo{ font-size:clamp(26px,7.4vw,34px); } }