/* EX-TECH Tecnologia e Monitoramento — tema escuro com as cores da logo
   Logo: laranja #F77D0A · azul-petróleo #0483A3 · grafite #333435 */
:root{
  --bg:#0A1215;          /* fundo base, grafite com petróleo */
  --bg-2:#0E191D;        /* faixas alternadas */
  --surface:#122228;     /* painéis */
  --surface-2:#172C33;
  --line:#21404A;        /* linhas e bordas */
  --line-soft:#18303A;
  --ink:#E9F2F4;
  --ink-2:#A3BCC3;
  --ink-3:#6E8A93;
  --teal:#0483A3;        /* azul-petróleo da logo */
  --teal-hi:#22B5D8;     /* versão clara para texto e brilho */
  --orange:#F77D0A;      /* laranja da logo */
  --orange-hi:#FF9A3C;
  --graphite:#333435;
  --normal:#2BC28A;
  --atencao:#E9B114;
  --alerta:#F77D0A;
  --critico:#F0443A;
  --radius:4px;
  --cut:14px;            /* tamanho do chanfro */
  --max:1180px;
  --gutter:clamp(16px,4vw,40px);
  --display:"Chakra Petch",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.6;
}
img{max-width:100%;display:block}
a{color:var(--teal-hi)}
::selection{background:var(--teal);color:#fff}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--orange);outline-offset:3px;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:#111;padding:8px 14px;z-index:100;font-weight:600}
.skip:focus{left:8px}

/* chanfro (eco dos triângulos da logo) */
.cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)))}

/* ---------- tipografia ---------- */
h1,h2,h3{font-family:var(--display);line-height:1.08;margin:0;color:var(--ink);font-weight:700}
h1{font-size:clamp(2.3rem,5.4vw,4.2rem);letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:1.22rem;font-weight:600;line-height:1.25}
p{margin:0 0 1em;max-width:68ch}
.lead{font-size:clamp(1.06rem,1.6vw,1.22rem);color:var(--ink-2);max-width:56ch}
.muted{color:var(--ink-3)}
.mono{font-family:var(--mono)}

/* ---------- cabeçalho ---------- */
.top{position:sticky;top:0;z-index:50;background:rgba(10,18,21,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.logo img{height:40px;width:auto}
.logo span{font-family:var(--display);font-weight:500;font-size:.8rem;line-height:1.15;color:var(--ink-2);border-left:1px solid var(--line);padding-left:12px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:500;font-size:.95rem}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--teal-hi)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--display);font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;
  padding:13px 24px;border:0;background:var(--orange);color:#1A0E02;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:background .15s,color .15s;
}
.btn:hover{background:var(--orange-hi)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--teal-hi);clip-path:none;border-radius:var(--radius)}
.btn.ghost:hover{background:rgba(34,181,216,.12)}
.btn.small{padding:9px 18px;font-size:.92rem}
.nav a.btn,.nav a.btn:hover{color:#1A0E02}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:7px 12px;font:inherit;font-weight:600;color:var(--ink);cursor:pointer}
@media (max-width:900px){
  .menu-toggle{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:70px;background:var(--bg);border-bottom:1px solid var(--line);
       flex-direction:column;align-items:flex-start;gap:0;padding:8px var(--gutter) 18px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line-soft)}
  .nav a[aria-current="page"]{box-shadow:none;color:var(--teal-hi)}
  .nav .btn{margin-top:14px;width:auto;border-bottom:0}
  .logo span{display:none}
}

/* ---------- hero ---------- */
.hero,.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(60% 70% at 78% 45%,rgba(4,131,163,.22),transparent 70%),
    linear-gradient(var(--line-soft) 1px,transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px) 0 0/48px 48px,
    var(--bg);
}
.hero::after,.page-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hero{padding:clamp(48px,8vw,96px) 0 clamp(48px,6vw,80px)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
.hero h1{margin-bottom:22px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.since{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.85rem;color:var(--teal-hi);margin-bottom:20px}
.since::before{content:"";width:8px;height:8px;background:var(--orange);transform:rotate(45deg)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}

/* radar de proximidade */
.rings{position:relative;width:100%;max-width:500px;margin:0 auto;aspect-ratio:1}
.rings svg{width:100%;height:100%;overflow:visible}
.ring-label{font-family:var(--mono);font-size:12px;font-weight:500}
#sweep{transform-origin:250px 250px;animation:sweep 6s linear infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){#sweep{animation:none;opacity:0}}
.status{
  position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;white-space:nowrap;
  background:rgba(18,34,40,.92);border:1px solid var(--line);border-radius:var(--radius);
  padding:9px 16px 9px 12px;font-family:var(--mono);font-size:.88rem;
}
.status i{width:10px;height:10px;background:var(--normal);flex:none;transform:rotate(45deg);transition:background .3s}
.status b{font-weight:600}
.status small{color:var(--ink-3);font-size:.82rem}
@media (max-width:520px){
  .status{white-space:normal;width:max-content;max-width:calc(100% - 8px)}
}

/* ---------- seções ---------- */
section{scroll-margin-top:80px}
.block{padding:clamp(56px,8vw,104px) 0;position:relative}
.block.white{background:var(--bg-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.block.night{
  background:
    linear-gradient(var(--line-soft) 1px,transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px) 0 0/48px 48px,
    #071013;
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)
}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,4vw,56px);align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.head .lead{margin:0}
@media (max-width:900px){.head{grid-template-columns:1fr}}

/* duas frentes */
.fronts{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
.front{padding:clamp(26px,3.5vw,40px);display:flex;flex-direction:column;gap:14px;text-decoration:none;color:var(--ink-2);position:relative;
  clip-path:polygon(0 0,calc(100% - 28px) 0,100% 28px,100% 100%,0 100%)}
.front.public{background:linear-gradient(135deg,rgba(4,131,163,.35),rgba(4,131,163,.08) 60%),var(--surface)}
.front.industry{background:var(--surface)}
.front::before{content:"";position:absolute;right:0;top:0;width:28px;height:28px;background:var(--orange);clip-path:polygon(0 0,100% 100%,100% 0)}
.front.industry::before{background:var(--teal)}
.front h3{font-size:1.6rem}
.front .who{font-family:var(--mono);font-size:.85rem;color:var(--teal-hi)}
.front.industry .who{color:var(--orange-hi)}
.front ul{margin:4px 0 0;padding-left:18px}
.front li{margin:4px 0}
.front li::marker{color:var(--orange)}
.front .go{margin-top:auto;padding-top:14px;font-family:var(--display);font-weight:600;color:var(--ink);text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:5px}
.front:hover .go{color:var(--orange-hi)}
@media (max-width:900px){.fronts{grid-template-columns:1fr}}

/* lista de recursos */
.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.feature{padding:28px 28px 28px 0;border-bottom:1px solid var(--line)}
.feature + .feature{padding-left:28px;border-left:1px solid var(--line)}
.feature:nth-child(3n+1){padding-left:0;border-left:0}
.feature h3{margin-bottom:10px;display:flex;align-items:center;gap:10px}
.feature h3::before{content:"";width:7px;height:7px;background:var(--teal-hi);transform:rotate(45deg);flex:none}
.feature p{margin:0;color:var(--ink-2);font-size:.98rem}
@media (max-width:900px){
  .features{grid-template-columns:1fr}
  .feature,.feature + .feature{padding:24px 0;border-left:0}
}

/* faixas */
.bands{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);background:var(--surface)}
.band{padding:22px 22px 24px;border-top:4px solid}
.band + .band{border-left:1px solid var(--line)}
.band strong{display:block;font-family:var(--display);font-size:1.2rem;font-weight:600}
.band .rule{display:block;font-family:var(--mono);font-size:.9rem;margin:6px 0 8px;color:var(--ink)}
.band p{margin:0;font-size:.94rem;color:var(--ink-2)}
.band.n{border-top-color:var(--normal)} .band.n strong{color:var(--normal)}
.band.at{border-top-color:var(--atencao)} .band.at strong{color:var(--atencao)}
.band.al{border-top-color:var(--alerta)} .band.al strong{color:var(--alerta)}
.band.c{border-top-color:var(--critico)} .band.c strong{color:var(--critico)}
@media (max-width:900px){.bands{grid-template-columns:1fr 1fr}.band:nth-child(3){border-left:0}}
@media (max-width:520px){.bands{grid-template-columns:1fr}.band + .band{border-left:0}}

/* sequência de atendimento */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;display:grid}
.steps li{counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:1.5rem;line-height:1.1;color:var(--orange)}
.steps h3{margin-bottom:6px}
.steps p{margin:0;color:var(--ink-2)}

/* perfis */
.roles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.role{border:1px solid var(--line);padding:26px;background:var(--surface);border-radius:var(--radius)}
.role h3{margin-bottom:4px}
.role .scope{font-family:var(--mono);color:var(--teal-hi);margin:0 0 12px;font-size:.88rem}
.role p{margin:0;color:var(--ink-2);font-size:.97rem}
@media (max-width:900px){.roles{grid-template-columns:1fr}}

/* trava de voz/foto */
.lock{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,5vw,64px);align-items:start}
.lock ol{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.lock li{background:var(--surface);border-left:3px solid var(--orange);padding:16px 18px;color:var(--ink);font-family:var(--display);font-weight:600;font-size:1.05rem}
.lock li span{display:block;font-family:var(--body);font-weight:400;color:var(--ink-2);font-size:.94rem;margin-top:2px}
@media (max-width:900px){.lock{grid-template-columns:1fr}}

/* telas do sistema */
.screens{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.screen{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.screen h3{margin-bottom:8px}
.screen p{margin:0 0 12px;color:var(--ink-2);font-size:.97rem}
.screen ul{margin:0;padding-left:18px;color:var(--ink-2);font-size:.95rem}
.screen li{margin:3px 0}
.screen li::marker{color:var(--teal-hi)}
.screen.wide{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}
@media (max-width:900px){.screens{grid-template-columns:1fr}.screen.wide{grid-template-columns:1fr}}

/* mapa ilustrativo */
.minimap{background:#0C1A1F;border:1px solid var(--line);aspect-ratio:16/10;position:relative;overflow:hidden;border-radius:var(--radius)}
.minimap svg{width:100%;height:100%;display:block}
.minimap .tag{position:absolute;left:10px;top:10px;background:rgba(10,18,21,.85);border:1px solid var(--line);font-family:var(--mono);font-size:.74rem;padding:3px 10px;color:var(--ink-2);z-index:1}

/* rastreabilidade industrial */
.methods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.method{padding:26px 26px 26px 0}
.method + .method{padding-left:26px;border-left:1px solid var(--line)}
.method h3{margin-bottom:8px}
.method p{margin:0;color:var(--ink-2);font-size:.97rem}
@media (max-width:900px){.methods{grid-template-columns:1fr}.method,.method + .method{padding:22px 0;border-left:0;border-bottom:1px solid var(--line)}}

.gallery{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-top:40px}
.gallery figure{margin:0;background:var(--surface);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;border-radius:var(--radius)}
.gallery figure:nth-child(1),.gallery figure:nth-child(2){grid-column:span 3}
.gallery figure:nth-child(n+3){grid-column:span 2}
.gallery button{all:unset;cursor:zoom-in;display:block;aspect-ratio:4/3;background:#0C1A1F}
.gallery button:focus-visible{outline:2px solid var(--orange);outline-offset:-2px}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery figcaption{padding:14px 16px 16px;font-size:.93rem;color:var(--ink-2)}
.gallery figcaption strong{display:block;color:var(--ink);font-family:var(--display);font-weight:600;font-size:1.02rem}
@media (max-width:900px){.gallery{grid-template-columns:1fr 1fr}.gallery figure:nth-child(n){grid-column:span 1}}
@media (max-width:520px){.gallery{grid-template-columns:1fr}}

dialog.viewer{border:0;padding:0;background:transparent;max-width:min(1100px,94vw)}
dialog.viewer::backdrop{background:rgba(4,10,12,.9)}
dialog.viewer img{max-height:82vh;width:auto;margin:0 auto}
dialog.viewer p{color:#fff;text-align:center;margin:12px auto 0}
dialog.viewer button{position:fixed;top:16px;right:16px;font:inherit;font-weight:600;background:var(--orange);color:#1A0E02;border:0;padding:8px 14px;cursor:pointer}

/* empresa e parceiros */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px)}
.about p{color:var(--ink-2)}
.partners{display:grid;gap:14px}
.partner{display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:center;padding:18px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius)}
.partner .plate{background:#F3F6F7;display:grid;place-items:center;height:64px;border-radius:var(--radius);padding:8px}
.partner .plate img{max-height:46px;width:auto}
.partner .plate b{font-family:var(--display);font-size:1.3rem;color:#1B1B1B}
.partner p{margin:0;font-size:.96rem;color:var(--ink-2)}
.partner strong{color:var(--ink)}
.stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.stats div{display:grid}
.stats b{font-family:var(--display);font-size:2rem;line-height:1;color:var(--orange)}
.stats span{font-size:.9rem;color:var(--ink-3);margin-top:6px}
@media (max-width:900px){.about{grid-template-columns:1fr}}
@media (max-width:520px){.partner{grid-template-columns:1fr}}

/* contato */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px)}
.facts{display:grid;gap:18px;margin-top:28px}
.facts div{border-top:1px solid var(--line);padding-top:14px}
.facts dt{font-family:var(--mono);font-size:.82rem;color:var(--ink-3);margin:0}
.facts dd{margin:2px 0 0;font-weight:600;color:var(--ink)}
.facts a{color:var(--ink)}
form.lead-form{background:var(--surface);border:1px solid var(--line);padding:clamp(22px,3vw,34px);display:grid;gap:16px;border-radius:var(--radius);position:relative}
form.lead-form::before{content:"";position:absolute;top:-1px;left:-1px;width:60px;height:3px;background:var(--orange)}
.form-note{font-size:.88rem;color:var(--ink-3);margin:0}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.95rem}
.field input,.field select,.field textarea{
  font:inherit;font-size:1rem;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);border-radius:var(--radius);padding:11px 12px;width:100%
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal-hi)}
.field textarea{min-height:110px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-error{color:var(--critico);font-weight:600;font-size:.94rem;margin:0}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
@media (max-width:520px){.row{grid-template-columns:1fr}}

/* chamada final */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:clamp(28px,4vw,44px);
  background:linear-gradient(120deg,var(--teal),#035E76);
  clip-path:polygon(0 0,calc(100% - 32px) 0,100% 32px,100% 100%,32px 100%,0 calc(100% - 32px))}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem)}
.cta-band p{color:#D2EEF5;margin:8px 0 0}

/* aviso */
.note{border-left:3px solid var(--teal-hi);background:rgba(4,131,163,.12);padding:16px 20px;color:var(--ink-2);font-size:.96rem;max-width:none}

/* rodapé */
footer{background:#060D0F;color:var(--ink-3);padding:48px 0 32px;font-size:.93rem;border-top:1px solid var(--line-soft)}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer h4{color:var(--ink);margin:0 0 10px;font-family:var(--display);font-weight:600;font-size:1rem}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{color:var(--orange-hi)}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
footer .legal{grid-column:1/-1;border-top:1px solid var(--line-soft);padding-top:20px;font-family:var(--mono);font-size:.8rem}
footer .foot-logo{height:44px;width:auto;margin-bottom:12px}
@media (max-width:900px){footer .wrap{grid-template-columns:1fr}}

/* páginas internas */
.page-hero{padding:clamp(44px,7vw,84px) 0 clamp(36px,5vw,64px)}
.page-hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,60px);align-items:center}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.4rem);margin-bottom:18px}
.crumb{font-family:var(--mono);font-size:.82rem;margin-bottom:16px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
@media (max-width:900px){.page-hero .wrap{grid-template-columns:1fr}}
.prose{max-width:760px}
.prose h2{font-size:1.5rem;margin:36px 0 12px}
.prose p{color:var(--ink-2)}