/* =====================================================================
   PWE CLIMA TECH — sistema visual compartilhado
   Um único arquivo para todas as páginas. Cache de 1 ano no .htaccess.
   ===================================================================== */

:root{
  --navy-900:#0C1F31; --navy-800:#132C44; --navy-700:#1B3A5C;
  --ice:#7FC0DF; --ice-dim:#3E7893;
  --orange:#E8792F; --orange-700:#C75F1C;
  --heat:#F2A65A;
  --frost:#EAF0F4; --paper:#FFFFFF;
  --ink:#0D1A24; --ink-soft:#4A5B68;
  --line:#D3DEE6; --line-dark:rgba(127,192,223,.20);
  --grime:#8A6A45;
  --r:6px; --wrap:1180px;
  --sans:"IBM Plex Sans",system-ui,-apple-system,sans-serif;
  --display:"Archivo",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--frost);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display);margin:0;line-height:1.1;letter-spacing:-.022em;font-weight:700}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- rótulos ---------- */
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ice-dim);margin:0 0 14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;flex:none}
.on-dark .eyebrow,.sec-dark .eyebrow,.hero .eyebrow{color:var(--ice)}

/* ---------- topbar / nav ---------- */
.topbar{background:var(--navy-900);color:#9FB6C6;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase}
.topbar .wrap{display:flex;gap:22px;justify-content:space-between;align-items:center;height:36px;overflow:hidden;white-space:nowrap}
.topbar span{display:flex;align-items:center;gap:7px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ice);flex:none}
.nav{position:sticky;top:0;z-index:60;background:rgba(12,31,49,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-dark)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:flex;align-items:center;text-decoration:none;flex:none}
.brand img{height:42px;width:auto;display:block}
.foot .brand img{height:52px;margin-bottom:14px}
@media(max-width:620px){.brand img{height:34px}}
.navlinks{display:flex;gap:22px;margin-left:auto}
.navlinks a{color:#C9D8E2;text-decoration:none;font-size:14.5px;font-weight:500}
.navlinks a:hover,.navlinks a[aria-current]{color:var(--ice)}
.navtel{color:#fff;text-decoration:none;font-family:var(--mono);font-size:14px;white-space:nowrap}
.navtel:hover{color:var(--ice)}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--display);font-weight:700;font-size:15.5px;letter-spacing:-.01em;padding:14px 24px;border-radius:var(--r);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,background .16s ease,border-color .16s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-700)}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{background:#1FB855}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(127,192,223,.42)}
.btn-ghost:hover{border-color:var(--ice);background:rgba(127,192,223,.10)}
.btn-dark{background:var(--navy-700);color:#fff}
.btn-dark:hover{background:var(--navy-900)}
.btn-sm{padding:10px 17px;font-size:14px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{background:var(--navy-900);color:#DCE8F0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);
  background-size:66px 66px;opacity:.5;mask-image:radial-gradient(120% 90% at 78% 12%,#000 12%,transparent 72%)}
.hero .wrap{position:relative;padding-top:74px;padding-bottom:76px}
.hero.split .wrap{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(2.05rem,4.2vw,3.4rem);color:#fff;font-weight:800;margin-bottom:20px}
.hero h1 mark{background:none;color:var(--ice)}
.hero h1 mark.warm{color:var(--heat)}
.hero-sub{font-size:18.5px;color:#B6C9D6;max-width:34em;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-assur{display:flex;flex-wrap:wrap;gap:8px 22px;font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:#8FA9BA;text-transform:uppercase}
.hero-assur span{display:flex;align-items:center;gap:7px}
.tick{color:var(--ice)}

/* ---------- faixa de normas ---------- */
.strip{background:var(--navy-700)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:10px 30px;align-items:center;padding:16px 22px;font-family:var(--mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:#A9C4D4}
.strip b{color:var(--ice);font-weight:600}

/* ---------- seções ---------- */
section{padding:76px 0}
.sec-dark{background:var(--navy-900);color:#C6D7E2}
.sec-paper{background:var(--paper)}
.sec-frost{background:var(--frost)}
.tight{padding-top:0}
.sec-head{max-width:46rem;margin-bottom:42px}
.sec-head h2{font-size:clamp(1.7rem,3.1vw,2.5rem);margin-bottom:14px}
.sec-dark .sec-head h2{color:#fff}
.sec-head p{font-size:18px;color:var(--ink-soft);margin:0}
.sec-dark .sec-head p{color:#9FB8C8}

/* ---------- grid de serviços ---------- */
.svcs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.sec-dark .svcs{background:var(--line-dark);border-color:var(--line-dark)}
.svc{background:var(--paper);padding:30px 26px 26px;text-decoration:none;display:flex;flex-direction:column;transition:background .16s ease}
.sec-dark .svc{background:var(--navy-900)}
.svc:hover{background:#F8FBFC}
.sec-dark .svc:hover{background:var(--navy-800)}
.svc .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ice-dim);display:block;margin-bottom:14px}
.svc h3{font-size:20px;margin-bottom:10px}
.sec-dark .svc h3{color:#fff}
.svc p{font-size:15.5px;color:var(--ink-soft);margin:0 0 16px;flex:1}
.sec-dark .svc p{color:#9FB8C8}
.svc ul{margin:0 0 16px;padding-left:17px;font-size:14.5px;color:var(--ink-soft)}
.sec-dark .svc ul{color:#9FB8C8}
.svc li{margin-bottom:5px}
.svc li::marker{color:var(--orange)}
.go{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ice-dim);display:flex;align-items:center;gap:7px}
.go::after{content:"→"}
.svc:hover .go,.seg:hover .go{color:var(--orange)}

/* ---------- roteador de segmentos ---------- */
.segs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.seg{background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:24px 22px 20px;text-decoration:none;display:flex;flex-direction:column;transition:border-color .16s ease,transform .12s ease,box-shadow .16s ease}
.seg:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:0 16px 34px -22px rgba(12,31,49,.5)}
.seg h3{font-size:18px;margin-bottom:8px}
.seg p{font-size:14.8px;color:var(--ink-soft);margin:0 0 16px;flex:1}

/* ---------- comparativo ---------- */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.vs-col{border-radius:10px;padding:28px 26px}
.vs-a{background:var(--frost);border:1px solid var(--line)}
.sec-frost .vs-a{background:#fff}
.vs-b{background:var(--navy-900);color:#C6D7E2;border:1px solid var(--navy-900)}
.vs-col .lab{font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:10px;display:block}
.vs-b .lab{color:var(--ice)}
.vs-col h3{font-size:22px;margin-bottom:14px}
.vs-b h3{color:#fff}
.vs-col ul{list-style:none;margin:0;padding:0;font-size:15.5px}
.vs-col li{padding:10px 0 10px 26px;border-top:1px solid var(--line);position:relative;color:var(--ink-soft)}
.vs-b li{border-top-color:var(--line-dark);color:#9FB8C8}
.vs-a li::before{content:"–";position:absolute;left:2px;color:var(--grime);font-weight:700}
.vs-b li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:700}
.callout{margin-top:26px;padding:18px 22px;background:#FDF3EC;border-left:4px solid var(--orange);border-radius:0 6px 6px 0;font-size:16px;color:var(--ink-soft)}
.callout b{color:var(--ink)}
.sec-dark .callout{background:rgba(232,121,47,.10);color:#C6D7E2}
.sec-dark .callout b{color:#fff}

/* ---------- blocos numerados ---------- */
.parts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.part{background:var(--navy-900);padding:28px 24px}
.sec-paper .parts{background:var(--line);border-color:var(--line)}
.sec-paper .part{background:var(--paper)}
.part .n{font-family:var(--mono);font-size:11px;letter-spacing:.15em;color:var(--ice-dim);display:block;margin-bottom:12px}
.part h3{font-size:19px;color:#fff;margin-bottom:9px}
.sec-paper .part h3{color:var(--ink)}
.part p{font-size:15px;color:#9FB8C8;margin:0}
.sec-paper .part p{color:var(--ink-soft)}

/* ---------- etapas ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps.five{grid-template-columns:repeat(5,1fr);gap:18px}
.step{border-top:2px solid var(--line);padding-top:16px}
.sec-dark .step{border-top-color:var(--ice-dim)}
.step::before{counter-increment:s;content:"Etapa 0" counter(s);font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--ice-dim);display:block;margin-bottom:10px}
.sec-dark .step::before{color:var(--ice)}
.step h3{font-size:17.5px;margin-bottom:7px}
.sec-dark .step h3{color:#fff}
.step p{font-size:14.5px;color:var(--ink-soft);margin:0}
.sec-dark .step p{color:#9FB8C8}

/* ---------- tabela ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:16px}
.tbl th{background:var(--navy-700);color:#fff;font-family:var(--display);font-weight:600;text-align:left;padding:13px 16px;font-size:14.5px}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft)}
.tbl td:first-child{color:var(--ink);font-weight:500}
.tbl tr:nth-child(even) td{background:#F8FBFC}
.tbl td b{font-family:var(--mono);font-size:13px;color:var(--orange);letter-spacing:.03em}
.scroll-x{overflow-x:auto}

/* ---------- listas de detalhe ---------- */
.drivers{list-style:none;margin:0;padding:0}
.drivers li{padding:15px 0;border-top:1px solid var(--line)}
.sec-dark .drivers li{border-top-color:var(--line-dark)}
.drivers b{font-family:var(--display);display:block;font-size:16.5px;margin-bottom:3px}
.sec-dark .drivers b{color:#fff}
.drivers span{font-size:15px;color:var(--ink-soft)}
.sec-dark .drivers span{color:#9FB8C8}
.checks{list-style:none;margin:0;padding:0;font-size:16.5px}
.checks li{padding:11px 0 11px 30px;border-top:1px solid var(--line);position:relative}
.sec-dark .checks li{border-top-color:var(--line-dark);color:#CBDCE7}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:700}

/* ---------- caixa de destaque ---------- */
.box-dark{background:var(--navy-900);color:#C6D7E2;border-radius:10px;padding:30px;border-left:4px solid var(--orange)}
.box-dark h3{color:#fff;font-size:21px;margin-bottom:12px}
.box-dark p{font-size:15.5px;color:#9FB8C8}
.duo{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.cta-band{background:var(--navy-700);color:#D5E4EE;border-radius:10px;padding:36px 38px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.cta-band h3{color:#fff;font-size:23px;margin-bottom:10px}
.cta-band p{margin:0;color:#B6CDDB;font-size:16.5px;max-width:46em}

/* ---------- faq ---------- */
.faq{max-width:850px}
.faq details{border-top:1px solid var(--line)}
.faq details[open]{background:linear-gradient(90deg,rgba(232,121,47,.05),transparent)}
.faq summary{cursor:pointer;list-style:none;padding:19px 40px 19px 0;font-family:var(--display);font-weight:600;font-size:18px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:8px;top:16px;color:var(--orange);font-size:24px;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 40px 20px 0;color:var(--ink-soft);font-size:16px}
.faq .a p:last-child{margin:0}

/* ---------- formulário ---------- */
.contact{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:start}
.form{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:30px}
.form h2{font-size:21px;margin-bottom:6px}
.form .sub{font-size:14.5px;color:var(--ink-soft);margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font-family:var(--sans);font-size:16px;padding:12px 13px;border:1px solid var(--line);border-radius:5px;background:#FBFDFE;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ice-dim);outline:none;box-shadow:0 0 0 3px rgba(127,192,223,.25)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.formnote{font-size:13px;color:var(--ink-soft);margin:12px 0 0;text-align:center}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.nap{list-style:none;padding:0;margin:26px 0 0;font-size:16px}
.nap li{padding:13px 0;border-top:1px solid var(--line);display:flex;gap:14px}
.nap b{font-family:var(--mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--ice-dim);flex:none;width:92px;padding-top:4px}
.nap a{text-decoration:none;font-weight:500}
.nap a:hover{color:var(--orange)}

/* ---------- rodapé ---------- */
.foot{background:var(--navy-900);color:#8FA9BA;padding:56px 0 26px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:34px;border-bottom:1px solid var(--line-dark)}
.foot h4{font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ice);margin-bottom:16px;font-weight:500}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:9px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ice)}
.areas{font-size:13.5px;line-height:1.8}
.foot-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#63808F}

/* ---------- flutuantes ---------- */
.wa{position:fixed;right:18px;bottom:18px;z-index:80;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 10px 26px -6px rgba(0,0,0,.45);text-decoration:none}
.wa svg{width:31px;height:31px;fill:#fff}
.mobar{display:none}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.rv.in{opacity:1;transform:none}

/* ---------- breadcrumb ---------- */
.bc{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#7C97A8;padding:14px 0 0}
.bc a{text-decoration:none;color:var(--ice-dim)}
.bc a:hover{color:var(--ice)}

/* ---------- responsivo ---------- */
@media (max-width:1000px){
  .steps.five{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:960px){
  .hero.split .wrap{grid-template-columns:1fr;gap:36px;padding-top:52px;padding-bottom:56px}
  .vs,.duo,.contact{grid-template-columns:1fr;gap:30px}
  .svcs,.parts,.segs{grid-template-columns:1fr}
  .steps,.steps.five{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .navlinks{display:none}
}
@media (max-width:620px){
  body{font-size:16px}
  section{padding:54px 0}
  .steps,.steps.five{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .topbar .wrap span:nth-child(n+2){display:none}
  .row2{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .tbl{font-size:14.5px}
  .tbl th,.tbl td{padding:10px 11px}
  .wa{bottom:76px}
  .mobar{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:79;background:rgba(12,31,49,.97);padding:9px 10px;border-top:1px solid var(--line-dark)}
  .mobar .btn{width:100%;padding:12px 8px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .btn:hover,.seg:hover{transform:none}
}

/* ---------- diagnóstico por sintoma (home) ---------- */
.diag{background:linear-gradient(180deg,#132C44,#0E2437);border:1px solid rgba(127,192,223,.28);border-radius:10px;box-shadow:0 26px 60px -22px rgba(0,0,0,.75)}
.diag-head{padding:16px 20px;border-bottom:1px solid var(--line-dark)}
.diag-head strong{display:block;font-family:var(--display);font-size:16px;color:#fff}
.diag-head em{font-family:var(--mono);font-style:normal;font-size:10.5px;letter-spacing:.14em;color:var(--ice-dim);text-transform:uppercase}
.diag-body{padding:18px 20px 20px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{font-family:var(--sans);font-size:13.5px;padding:9px 14px;border-radius:100px;border:1px solid rgba(127,192,223,.32);background:transparent;color:#B9CEDC;cursor:pointer;transition:.14s;text-align:left}
.chips button:hover{border-color:var(--ice);color:#fff}
.chips button[aria-pressed="true"]{background:var(--ice);border-color:var(--ice);color:#08202F;font-weight:600}
.diag-out{margin-top:18px;border-top:1px dashed rgba(127,192,223,.32);padding-top:16px}
.diag-out h4{color:#fff;font-size:16px;margin-bottom:10px}
.diag-out ul{list-style:none;margin:0 0 14px;padding:0}
.diag-out li{font-size:14px;color:#B9CEDC;padding:7px 0 7px 22px;position:relative;line-height:1.45}
.diag-out li::before{content:"›";position:absolute;left:4px;color:var(--orange);font-weight:700}
.urg{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;padding:5px 11px;border-radius:3px;margin-bottom:12px}
.urg.alta{background:rgba(232,121,47,.16);color:var(--orange);border:1px solid rgba(232,121,47,.45)}
.urg.media{background:rgba(127,192,223,.14);color:var(--ice);border:1px solid rgba(127,192,223,.4)}
.diag-foot{font-family:var(--mono);font-size:10px;letter-spacing:.09em;color:#6E8899;text-transform:uppercase;padding:0 20px 16px;line-height:1.6}

/* ---------- termômetro (página de água quente) ---------- */
.thermo{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.th{border-radius:10px;padding:26px 24px;border:1px solid var(--line)}
.th.cold{background:var(--frost)}
.th.hot{background:linear-gradient(160deg,#1B3A5C,#0C1F31);border-color:rgba(242,166,90,.4);color:#C6D7E2}
.th .deg{font-family:var(--display);font-weight:800;font-size:40px;letter-spacing:-.03em;line-height:1;margin-bottom:6px}
.th.cold .deg{color:var(--ice-dim)}
.th.hot .deg{color:var(--heat)}
.th .lab{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:16px;display:block}
.th.hot .lab{color:var(--heat)}
.th ul{list-style:none;margin:0;padding:0;font-size:15px}
.th li{padding:9px 0 9px 24px;border-top:1px solid var(--line);position:relative;color:var(--ink-soft)}
.th.hot li{border-top-color:rgba(242,166,90,.22);color:#B6C9D6}
.th.cold li::before{content:"–";position:absolute;left:2px;color:var(--grime);font-weight:700}
.th.hot li::before{content:"✓";position:absolute;left:0;color:var(--heat);font-weight:700}
@media(max-width:760px){.thermo{grid-template-columns:1fr}}