/* Master Engenharia Diagnóstica — estilo do site */
:root{
  --ink:#0F1B26;--ink2:#15263A;--ink3:#0B141D;
  --paper:#FBFAF7;--stone:#F3EFE8;--line:#E2DBCF;
  --bronze:#A47A3B;--bronze-l:#C9A56A;--bronze-xl:#E6D3AE;
  --text:#27313C;--muted:#65707C;--wa:#128C4A;--wa-d:#0E7A40;
  --serif:'Cormorant Garamond',Georgia,serif;--sans:Manrope,system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--bronze)}
.on-dark .eyebrow,.eyebrow.l{color:var(--bronze-l)}
h1,h2,h3{font-family:var(--serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:-.005em}
h2{font-size:clamp(36px,4.2vw,52px);line-height:1.06}
h2 em,h1 em{font-style:italic;font-weight:500;color:var(--bronze)}
h3{font-size:25px;line-height:1.2}
.rule{width:56px;height:1px;background:var(--bronze);margin:22px 0}
.lead{font-size:19px;color:var(--muted);max-width:640px}
.on-dark{background:var(--ink);color:#fff}
.on-dark h2,.on-dark h3{color:#fff}
.on-dark h2 em{color:var(--bronze-l)}
.on-dark .lead{color:#AAB5C1}
section{padding:120px 0}
.head{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin-bottom:64px}
.head .lead{margin:0}

/* Botões */
.btn{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;font-size:15px;letter-spacing:.02em;padding:17px 28px;border-radius:2px;transition:.2s}
.btn-wa{background:var(--wa);color:#fff}.btn-wa:hover{background:var(--wa-d)}
.btn-line{border:1px solid rgba(255,255,255,.35);color:#fff}.btn-line:hover{border-color:var(--bronze-l);color:var(--bronze-xl)}
.btn svg{width:20px;height:20px;flex:none}
.cta{display:flex;gap:14px;flex-wrap:wrap}

/* Cabeçalho */
header{position:sticky;top:0;z-index:20;background:rgba(15,27,38,.97);backdrop-filter:blur(8px);border-bottom:1px solid rgba(201,165,106,.18)}
.hd{display:flex;align-items:center;justify-content:space-between;gap:30px;height:96px}
.brand img{height:60px;width:auto}
nav{display:flex;gap:34px;font-size:14px;font-weight:600;letter-spacing:.06em}
nav a{color:#C7D0D9;text-decoration:none;padding-bottom:4px;border-bottom:1px solid transparent}
nav a:hover,nav a.on{color:#fff;border-color:var(--bronze-l)}
.hd .btn{padding:13px 22px;font-size:14px}

/* Hero da home */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:0}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-top:110px}
.hero h1{color:#fff;font-size:clamp(46px,5.6vw,76px);line-height:1.02;margin:24px 0 28px;font-weight:500}
.hero h1 em{color:var(--bronze-l)}
.hero p{font-size:19px;color:#B9C3CE;max-width:540px;margin:0 0 40px}
.hero-txt{padding-bottom:300px}
.hero-side{padding-top:40px;padding-bottom:300px}
.cred{border-left:1px solid rgba(201,165,106,.35);padding:4px 0 4px 34px;display:grid;gap:30px;margin-left:auto;max-width:360px}
.cred b{display:block;font-family:var(--serif);font-size:40px;font-weight:500;color:var(--bronze-xl);line-height:1}
.cred span{display:block;font-size:13.5px;color:#9FAAB6;margin-top:8px}
.skyline{position:absolute;left:0;right:0;bottom:0;height:300px;width:100%}

/* Instituições */
.clients{background:var(--ink2);padding:34px 0}
.clients .wrap{display:flex;align-items:center;gap:44px}
.clients .eyebrow{color:var(--bronze-l);white-space:nowrap;font-size:11px}
.cl{display:flex;justify-content:space-between;flex:1;gap:24px;font-family:var(--serif);font-size:21px;color:#AEB9C4;letter-spacing:.04em;flex-wrap:wrap}

/* Segmentos */
.segs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.seg{padding:40px 32px 44px 0;border-right:1px solid var(--line)}
.seg+.seg{padding-left:32px}.seg:last-child{border-right:0}
.seg svg{width:46px;height:46px;margin-bottom:26px}
.seg h3{font-size:27px;line-height:1.15;margin-bottom:12px}
.seg p{font-size:15px;color:var(--muted);margin:0 0 20px}
.seg ul{list-style:none;margin:0;padding:0;font-size:14.5px;font-weight:600}
.seg li a{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink)}
.seg li a:hover{color:var(--bronze)}
.seg li i{font-style:normal;color:var(--bronze)}

/* Lista de serviços */
.rows{border-top:1px solid rgba(255,255,255,.12)}
.row{display:grid;grid-template-columns:90px 1.1fr 1.4fr 160px;align-items:center;gap:30px;padding:30px 0;border-bottom:1px solid rgba(255,255,255,.12);text-decoration:none;color:inherit;transition:.2s}
.row:hover{background:rgba(255,255,255,.025)}
.row .n{font-family:var(--serif);font-size:34px;color:var(--bronze-l)}
.row h3{color:#fff;font-size:30px;font-weight:500;line-height:1.15}
.row p{margin:0;color:#9FAAB6;font-size:15.5px}
.row .go{justify-self:end;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--bronze-xl);white-space:nowrap}

/* Tecnologia */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center}
.tech{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.tech div{background:var(--paper);padding:34px 30px}
.tech svg{width:44px;height:44px;margin-bottom:18px}
.tech h3{font-size:24px;margin-bottom:6px}.tech p{margin:0;font-size:15px;color:var(--muted)}

/* Compromissos */
.promise{background:var(--ink2);color:#fff;padding:110px 0}
.pr{display:grid;grid-template-columns:repeat(3,1fr);margin-top:40px;border-top:1px solid rgba(255,255,255,.12)}
.pr div{padding:44px 40px 10px 0}
.pr div+div{padding-left:40px;border-left:1px solid rgba(255,255,255,.12)}
.pr b{display:block;font-family:var(--serif);font-weight:500;font-size:72px;line-height:1;color:var(--bronze-l);font-style:italic}
.pr h3{color:#fff;font-size:27px;line-height:1.2;margin:22px 0 12px}
.pr p{margin:0;color:#9FAAB6;font-size:15.5px}

/* Onde atuamos / citação */
.area{background:var(--stone);text-align:center}
.area .rule{margin:22px auto}
.area h2{font-size:clamp(36px,4.6vw,60px)}
.area .lead{margin:26px auto 0}
.quote{padding:140px 0;text-align:center}
.quote blockquote{margin:0 auto;max-width:900px;font-family:var(--serif);font-size:clamp(30px,3.4vw,46px);line-height:1.25;color:var(--ink);font-weight:500}
.quote blockquote em{color:var(--bronze);font-style:italic}
.quote .sig{margin-top:34px;font-size:13px;letter-spacing:.22em;font-weight:700;color:var(--muted)}

/* Chamada final */
.final{padding:110px 0}
.final .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.final p{color:#AAB5C1;margin:18px 0 0;font-size:18px}
.box{border:1px solid rgba(201,165,106,.3);padding:34px}
.box .btn{width:100%;justify-content:center}
.box small{display:block;text-align:center;color:#9FAAB6;margin-top:16px;font-size:14px;line-height:1.6}
.box small a{color:var(--bronze-xl)}

/* ===== Páginas de serviço ===== */
.phero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:0}
.phero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 55%);mask-image:linear-gradient(90deg,transparent 0%,#000 55%)}
.phero .wrap{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:90px;padding-bottom:90px}
.crumb{font-size:13px;color:#8E99A5;margin-bottom:22px}
.crumb a{color:#AEB9C4;text-decoration:none}.crumb a:hover{color:#fff}
.phero h1{color:#fff;font-size:clamp(40px,5vw,64px);line-height:1.04;margin:20px 0 24px}
.phero h1 em{color:var(--bronze-l)}
.phero p{font-size:19px;color:#B9C3CE;max-width:560px;margin:0 0 36px}
.facts{background:var(--ink2);color:#fff;border-top:1px solid rgba(201,165,106,.2)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:30px 26px;border-left:1px solid rgba(255,255,255,.08)}
.fact:first-child{border-left:0;padding-left:0}
.fact b{display:block;font-family:var(--serif);font-size:26px;font-weight:600;color:var(--bronze-xl);line-height:1.15}
.fact span{display:block;font-size:14px;color:#AAB5C1;margin-top:6px;line-height:1.5}
.checks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.checks li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);font-size:16px}
.checks li svg{width:18px;height:18px;flex:none;margin-top:5px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.step{padding:40px 36px 44px 0;border-bottom:1px solid var(--line)}
.step:not(:nth-child(3n+1)){padding-left:36px;border-left:1px solid var(--line)}
.step .n{font-family:var(--serif);font-size:46px;line-height:1;color:var(--bronze);font-weight:500}
.step h3{margin:18px 0 10px}
.step p{margin:0;color:var(--muted);font-size:16px}
.deliver .wrap{display:grid;grid-template-columns:1fr 1fr;gap:88px;align-items:start}
.dl{list-style:none;padding:0;margin:0}
.dl li{display:grid;grid-template-columns:40px 1fr;padding:20px 0;border-top:1px solid rgba(255,255,255,.1)}
.dl li:last-child{border-bottom:1px solid rgba(255,255,255,.1)}
.dl li svg{width:22px;height:22px;margin-top:4px}
.dl b{display:block;color:#fff;font-size:16.5px}
.dl span{display:block;color:#9FAAB6;font-size:15px;line-height:1.55}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chips span{border:1px solid rgba(201,165,106,.4);color:var(--bronze-xl);font-size:13px;font-weight:600;padding:8px 14px;letter-spacing:.03em}
.norm{margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:14px;color:#8E99A5}
.norm b{color:var(--bronze-xl);font-weight:600}
.faqw{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}
details{border-top:1px solid var(--line);padding:22px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:24px;font-weight:600;color:var(--ink);display:flex;justify-content:space-between;gap:20px;line-height:1.25}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--sans);font-weight:400;color:var(--bronze);font-size:26px;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--muted);font-size:16px;max-width:640px}
.prop{padding:0 0 120px}
.prop-box{background:var(--ink2);color:#fff;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:72px;position:relative;overflow:hidden}
.prop-box::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border:1px solid rgba(201,165,106,.25);border-radius:50%}
.prop-box h2{color:#fff;font-size:clamp(32px,3.6vw,44px)}
.prop-box p{color:#AAB5C1;margin:18px 0 0}
.prop-list{background:rgba(255,255,255,.04);border:1px solid rgba(201,165,106,.25);padding:28px 30px;position:relative;z-index:1}
.prop-list ol{margin:14px 0 26px;padding-left:20px;color:#D5DCE3;font-size:16px}
.prop-list ol li{padding:4px 0}
.prop-list .btn{width:100%;justify-content:center}
.mail{display:block;text-align:center;color:#AAB5C1;font-size:14px;margin-top:14px}
.mail a{color:var(--bronze-xl)}
.rel{background:var(--stone);padding:90px 0}
.relg{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
.relg a{background:var(--paper);padding:30px;text-decoration:none;color:var(--ink);display:block;transition:.2s}
.relg a:hover{background:#fff}
.relg b{display:block;font-family:var(--serif);font-size:25px;font-weight:600;line-height:1.2}
.relg span{display:block;font-size:15px;color:var(--muted);margin-top:8px}
.relg i{display:block;font-style:normal;font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--bronze);margin-top:18px}

/* Blocos extras (ex.: origens da infiltração) */
.orig{background:var(--stone)}
.origg{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.origg div{background:var(--paper);padding:30px}
.origg .n{font-family:var(--serif);font-size:30px;color:var(--bronze);line-height:1}
.origg h3{font-size:23px;margin:14px 0 8px}
.origg p{margin:0;font-size:15px;color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.two h3{font-size:28px;margin-bottom:6px}
.two ul{list-style:none;padding:0;margin:18px 0 0}
.two li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
.two li svg{width:18px;height:18px;flex:none;margin-top:5px}

/* Página A Master */
.prose{max-width:760px}
.prose p{font-size:18px;color:var(--text);margin:0 0 20px}
.cv{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cv div{background:var(--paper);padding:30px}
.cv b{display:block;font-family:var(--serif);font-size:30px;font-weight:600;color:var(--ink);line-height:1.1}
.cv span{display:block;font-size:15px;color:var(--muted);margin-top:8px}

/* Rodapé */
footer{background:var(--ink3);color:#8E99A5;font-size:14px;padding:70px 0 36px}
.ft{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft img{height:46px;width:auto;margin-bottom:18px}
.ft h4{margin:0 0 14px;font-size:12px;letter-spacing:.22em;color:var(--bronze-l);font-weight:700;text-transform:uppercase}
.ft p{margin:0 0 8px;line-height:1.5}
.ft a{color:#C7D0D9;text-decoration:none}.ft a:hover{color:#fff}
.legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:13px}
.legal a{color:#8E99A5}
.float{position:fixed;right:22px;bottom:22px;z-index:30;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.25);color:#fff}
.float svg{width:30px;height:30px}

/* ===== Responsivo ===== */
@media (max-width:1080px){
  nav{display:none}
  .row{grid-template-columns:60px 1fr;gap:6px 20px}
  .row p{grid-column:2}
  .row .go{grid-column:2;justify-self:start;margin-top:6px}
}
@media (max-width:960px){
  .wrap{padding:0 20px}
  section{padding:84px 0}
  .head,.split,.final .wrap,.phero .wrap,.deliver .wrap,.faqw,.prop-box{grid-template-columns:1fr;gap:40px}
  .hero .wrap{grid-template-columns:1fr;gap:0;padding-top:64px}
  .hero-txt{padding-bottom:0}
  .hero-side{padding:44px 0 230px}
  .cred{margin-left:0;max-width:none;grid-template-columns:repeat(3,1fr);gap:18px;border-left:0;border-top:1px solid rgba(201,165,106,.35);padding:28px 0 0}
  .cred b{font-size:30px}
  .skyline{height:220px;width:1056px;max-width:none;left:-262px;right:auto}
  .clients .wrap{flex-direction:column;align-items:flex-start;gap:16px}
  .cl{justify-content:flex-start;gap:8px 22px;font-size:18px}
  .segs{grid-template-columns:1fr 1fr}
  .seg,.seg+.seg{padding:34px 20px 34px 0;border-right:0}
  .seg:nth-child(2n){padding-left:20px;border-left:1px solid var(--line)}
  .seg:nth-child(n+3){border-top:1px solid var(--line)}
  .pr{grid-template-columns:1fr}
  .pr div,.pr div+div{padding:34px 0 0;border-left:0}
  .phero .wrap{padding-top:60px;padding-bottom:60px}
  .facts .wrap{grid-template-columns:1fr 1fr}
  .fact{padding:24px 18px}
  .fact:nth-child(3){border-left:0;padding-left:0}
  .fact:nth-child(n+3){border-top:1px solid rgba(255,255,255,.08)}
  .steps{grid-template-columns:1fr}
  .step,.step:not(:nth-child(3n+1)){padding:30px 0;border-left:0}
  .prop{padding-bottom:84px}
  .prop-box{padding:52px 24px}
  .relg,.origg,.two{grid-template-columns:1fr}
  .ft{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:560px){
  body{font-size:16px}
  .hd{height:76px}
  .brand img{height:44px}
  .hd .btn span{display:none}
  .hd .btn{padding:12px 14px}
  .cta .btn{width:100%;justify-content:center}
  .cred{grid-template-columns:1fr}
  .segs{grid-template-columns:1fr}
  .seg:nth-child(2n){padding-left:0;border-left:0}
  .seg+.seg{border-top:1px solid var(--line)}
  .tech,.checks,.cv{grid-template-columns:1fr}
  .ft{grid-template-columns:1fr}
  .fact b{font-size:22px}
}