:root{
  --ink:#132A3E;
  --navy:#1B3A5C;
  --navy-2:#0F2131;
  --paper:#F6F3EC;
  --paper-2:#EFEADD;
  --ice:#2FB3D6;
  --ice-dim:#DCF1F6;
  --signal:#E85F27;
  --signal-deep:#C24A18;
  --steel:#5C6B76;
  --line:#DAD3C2;
  --white:#FFFFFF;
  --radius:2px;
  --maxw:1180px;
  --shadow:0 20px 50px -25px rgba(15,33,49,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'IBM Plex Sans',sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:'Big Shoulders Display',sans-serif;font-weight:800;letter-spacing:.01em;line-height:.98;margin:0;text-transform:uppercase}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{padding:104px 0}
@media(max-width:720px){section{padding:64px 0}}

/* nameplate eyebrow — signature device, echoes the rating plate riveted on every HVAC unit */
.plate{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--navy);background:var(--white);border:1px solid var(--line);
  padding:7px 14px 7px 10px;margin-bottom:22px;position:relative;
}
.plate::before,.plate::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--steel);opacity:.55;flex:none}
.plate b{color:var(--signal-deep);font-weight:600}
.plate.on-dark b{color:var(--ice)}
.plate.on-dark{background:rgba(255,255,255,.06);color:var(--ice-dim);border-color:rgba(255,255,255,.18)}
.plate.on-dark::before,.plate.on-dark::after{background:var(--ice-dim)}

.eyebrow-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.kicker-num{font-family:'IBM Plex Mono',monospace;color:var(--steel);font-size:13px}

/* ===== header ===== */
header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(246,243,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:34px;width:auto}
.navlinks{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.navlinks a{text-decoration:none;font-size:14px;font-weight:600;color:var(--navy);letter-spacing:.02em;position:relative;padding:4px 0}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--signal);transition:width .25s}
.navlinks a:hover::after{width:100%}
.navcta{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13px;letter-spacing:.04em;text-decoration:none;text-transform:uppercase;padding:12px 20px;border-radius:var(--radius);border:1px solid transparent;transition:transform .2s,box-shadow .2s;cursor:pointer}
.btn-signal{background:var(--signal-deep);color:#fff}
.btn-signal:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(232,95,39,.6)}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-ghost:hover{background:var(--navy);color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--navy)}
@media(max-width:900px){
  .navlinks{position:fixed;top:78px;left:0;right:0;background:var(--paper);flex-direction:column;padding:20px 28px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s;gap:16px}
  .navlinks.open{transform:translateY(0)}
  .burger{display:flex}
  .navcta .btn-ghost{display:none}
}

/* ===== hero ===== */
.hero{position:relative;padding:168px 0 96px;background:radial-gradient(120% 140% at 100% 0%,#1E4568 0%,var(--navy-2) 60%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 80% 20%,#000 0%,transparent 65%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2.4rem,4.6vw,3.6rem);color:#fff}
.hero h1 em{font-style:normal;color:var(--ice)}
.hero p.lead{font-family:'IBM Plex Sans';font-size:17px;color:#C9D6E0;max-width:520px;margin:22px 0 34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn-outline-ice{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-outline-ice:hover{border-color:var(--ice);color:var(--ice)}
.trustline{font-size:13px;color:#9FB3C2;font-family:'IBM Plex Mono',monospace}
.trustline b{color:var(--ice)}

.hero-visual{position:relative}
.photo-frame{position:relative;border:1px solid rgba(255,255,255,.15);padding:10px;background:rgba(255,255,255,.04)}
.photo-frame img{width:100%;height:340px;object-fit:cover;filter:saturate(1.05)}
.rivet{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--ice);box-shadow:0 0 0 3px rgba(47,179,214,.2)}
.rivet.tl{top:-4px;left:-4px}.rivet.tr{top:-4px;right:-4px}.rivet.bl{bottom:-4px;left:-4px}.rivet.br{bottom:-4px;right:-4px}
.stat-chip{position:absolute;background:#fff;color:var(--ink);padding:14px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px;min-width:130px}
.stat-chip .n{font-family:'Big Shoulders Display';font-size:30px;font-weight:800;color:var(--navy);line-height:1}
.stat-chip .l{font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.chip-a{left:-24px;bottom:-26px;border-top:3px solid var(--ice)}
.chip-b{right:-18px;top:-22px;border-top:3px solid var(--signal)}
@media(max-width:560px){.chip-a{left:8px;bottom:-20px}.chip-b{right:8px;top:-18px}}

/* ===== trust marquee ===== */
.marquee-wrap{background:var(--white);border-bottom:1px solid var(--line);overflow:hidden;padding:26px 0}
.marquee-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);text-align:center;margin-bottom:18px}
.marquee{display:flex;width:max-content;animation:scroll 34s linear infinite}
.marquee:hover{animation-play-state:paused}
.marquee img{height:34px;width:auto;margin:0 34px;filter:grayscale(1) opacity(.55);transition:filter .25s}
.marquee img:hover{filter:grayscale(0) opacity(1)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.marquee{animation:none;overflow-x:auto}}

/* ===== sobre ===== */
.sobre-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
@media(max-width:900px){.sobre-grid{grid-template-columns:1fr}}
.sobre-grid img{width:100%;height:420px;object-fit:cover;box-shadow:var(--shadow)}
.check-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px}
.check-list svg{flex:none;margin-top:2px}

/* ===== servicos ===== */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line)}
@media(max-width:900px){.svc-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr}}
.svc-card{background:var(--paper);padding:34px 26px;transition:background .25s}
.svc-card:hover{background:var(--white)}
.svc-num{font-family:'IBM Plex Mono';font-size:12px;color:var(--steel)}
.svc-icon{width:42px;height:42px;margin:18px 0 20px;color:var(--navy)}
.svc-card:hover .svc-icon{color:var(--signal)}
.svc-card h3{font-size:19px;text-transform:none;letter-spacing:0;font-weight:700;margin-bottom:10px}
.svc-card p{font-size:14px;color:var(--steel);margin:0}

/* ===== visao estrategica (gauge cards) ===== */
.dark-section{background:var(--navy-2);color:#fff}
.gauge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:900px){.gauge-grid{grid-template-columns:1fr}}
.gauge-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);padding:32px}
.gauge-card svg{margin-bottom:18px}
.gauge-card h3{font-size:22px;color:#fff;margin-bottom:12px}
.gauge-card p{font-size:14.5px;color:#AEC0CC;margin:0}

/* ===== produtos ===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:900px){.prod-grid{grid-template-columns:1fr 1fr}}
.prod-card{background:var(--white);border:1px solid var(--line);text-align:center;padding:26px 18px}
.prod-card img{height:110px;margin:0 auto 16px;object-fit:contain}
.prod-card span{font-family:'IBM Plex Mono';font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);font-weight:600}

/* ===== clientes ===== */
.client-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line)}
@media(max-width:900px){.client-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.client-grid{grid-template-columns:repeat(2,1fr)}}
.client-cell{background:var(--white);aspect-ratio:1.5;display:flex;align-items:center;justify-content:center;padding:18px}
.client-cell img{max-height:56px;max-width:80%;filter:grayscale(1);opacity:.65;transition:.25s}
.client-cell:hover img{filter:grayscale(0);opacity:1}

/* ===== depoimentos ===== */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.testi-grid{grid-template-columns:1fr}}
.testi-card{background:var(--white);border:1px solid var(--line);padding:30px;display:flex;flex-direction:column;gap:18px}
.testi-quote{font-family:'Big Shoulders Display';font-size:40px;line-height:1;color:var(--ice)}
.testi-text{font-size:15px;color:var(--ink);margin:0;flex:1}
.testi-who{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:14px}
.testi-name{font-weight:700;font-size:14.5px}
.testi-role{font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel)}
.testi-tag{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--signal-deep);background:rgba(232,95,39,.08);padding:3px 8px;align-self:flex-start;margin-top:-4px}

/* ===== contato ===== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.info-list{list-style:none;margin:26px 0 34px;padding:0;display:grid;gap:18px}
.info-list li{display:flex;gap:14px;font-size:14.5px}
.info-list b{display:block;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:3px;font-weight:600}
.map-box{border:1px solid var(--line);height:220px;overflow:hidden}
.map-box iframe{width:100%;height:100%;border:0;filter:grayscale(.25)}

form.contact-form{display:grid;gap:16px;background:var(--white);border:1px solid var(--line);padding:30px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}
.field label{display:block;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-bottom:7px}
.field input,.field textarea{width:100%;border:1px solid var(--line);background:var(--paper);padding:12px 14px;font-family:'IBM Plex Sans';font-size:14.5px;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:2px solid var(--ice);outline-offset:1px;background:#fff}
.field textarea{resize:vertical;min-height:110px}

/* ===== footer ===== */
footer{background:var(--navy-2);color:#C9D6E0;padding:70px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:50px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr}}
.foot-grid .foot-title{font-family:'IBM Plex Mono';font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:18px;font-weight:600}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-grid a{text-decoration:none;color:#AEC0CC;font-size:14px}
.foot-grid a:hover{color:var(--ice)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:12.5px;color:#7E93A2}
.foot-bottom a{color:#C9D6E0;font-weight:600}

.whats-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px -8px rgba(0,0,0,.4);color:#fff;text-decoration:none}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

.section-title{font-size:clamp(1.9rem,3.4vw,2.6rem);max-width:640px}
.section-lead{color:var(--steel);max-width:560px;margin-top:14px;font-size:15.5px}
.light-on-dark .section-lead{color:#AEC0CC}

/* ===== cookie banner ===== */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;max-width:560px;margin:0 auto;background:var(--navy-2);color:#DCE5EA;border:1px solid rgba(255,255,255,.12);padding:20px 22px;box-shadow:var(--shadow);display:none;gap:14px;flex-direction:column}
.cookie-banner.show{display:flex}
.cookie-banner p{margin:0;font-size:13.5px;line-height:1.55}
.cookie-banner a{color:var(--ice);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-actions .btn{padding:10px 16px;font-size:12px}
.btn-quiet{background:transparent;color:#AEC0CC;border-color:rgba(255,255,255,.25)}
.btn-quiet:hover{color:#fff;border-color:#fff}

/* ===== páginas internas (notícias / privacidade) ===== */
.page-hero{padding:150px 0 56px;background:var(--navy-2);color:#fff}
.page-hero .section-lead{color:#AEC0CC}
.breadcrumb{font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.06em;color:#9FB3C2;margin-bottom:18px}
.breadcrumb a{color:#C9D6E0;text-decoration:none}
.breadcrumb a:hover{color:var(--ice)}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
@media(max-width:900px){.news-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.news-grid{grid-template-columns:1fr}}
.news-card{background:var(--white);border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;gap:12px;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-num{font-family:'IBM Plex Mono';font-size:11.5px;color:var(--signal-deep);letter-spacing:.08em}
.news-card h3{font-size:20px;text-transform:none;letter-spacing:0;font-weight:700;line-height:1.15}
.news-card p{font-size:14px;color:var(--steel);margin:0;flex:1}
.news-card .read-more{font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--navy);font-weight:600}

.article-body{max-width:760px;margin:0 auto}
.article-body h2{font-size:26px;text-transform:none;letter-spacing:0;margin:44px 0 16px}
.article-body p{font-size:16px;color:#2A3B47;margin:0 0 18px}
.article-body ul{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px;font-size:16px;color:#2A3B47}
.article-meta{display:flex;gap:16px;flex-wrap:wrap;font-family:'IBM Plex Mono';font-size:12px;color:#9FB3C2;margin-top:18px}
.article-cta{max-width:760px;margin:56px auto 0;background:var(--paper-2);border:1px solid var(--line);padding:30px;text-align:center}
.article-cta h3{font-size:22px;margin-bottom:10px}
.article-cta p{color:var(--steel);margin-bottom:20px}

.legal-body{max-width:760px;margin:0 auto}
.legal-body h2{font-size:22px;text-transform:none;letter-spacing:0;margin:40px 0 14px}
.legal-body p,.legal-body li{font-size:15.5px;color:#2A3B47;margin:0 0 14px}
.legal-body ul{padding-left:22px}