/* ============================================================
   MPOWER ENGENHARIA — Site Institucional
   Sistema visual: "laudo técnico / desenho de engenharia"
   Paleta real da marca: navy #0a1f6b / navy-dark #061449
   Accent elétrico: cyan #2ec8e9 / cyan-dark #1aa8c7
   Acentos de risco (extraídos da sinalização real de campo): vermelho #d92a2a / amarelo #f2b705
   Tipografia real: Montserrat (texto) + Roboto Mono (anotação técnica/carimbo)
   ============================================================ */

:root{
  --navy:#0a1f6b;
  --navy-dark:#061449;
  --navy-deeper:#040d33;
  --cyan:#2ec8e9;
  --cyan-dark:#1aa8c7;
  --hazard:#d92a2a;
  --hazard-yellow:#f2b705;
  --white:#ffffff;
  --paper:#fbfbf9;
  --paper-2:#f2f3f6;
  --ink:#10131a;
  --gray:#565f77;
  --gray-soft:#8891a8;
  --line: rgba(10,31,107,.14);
  --line-soft: rgba(10,31,107,.08);
  --line-dark: rgba(255,255,255,.14);
  --shadow: 0 24px 56px -24px rgba(6,20,73,.28);
  --radius: 4px;
  --container: 1180px;
  --ff-sans: 'Montserrat', 'Segoe UI', sans-serif;
  --ff-mono: 'Roboto Mono', ui-monospace, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}
body{
  margin:0;
  font-family:var(--ff-sans);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
section{ position:relative; }
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
:focus-visible{
  outline:2.5px solid var(--cyan-dark);
  outline-offset:3px;
  border-radius:2px;
}
a.btn:focus-visible, .nav-links a:focus-visible{ outline-offset:4px; }

/* ---------------- blueprint grid texture ---------------- */
.grid-field{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.grid-field.on-dark{
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
}
.reg-mark{ position:absolute; width:18px; height:18px; pointer-events:none; }
.reg-mark svg{ width:100%; height:100%; }
.reg-mark.tl{ top:18px; left:18px; }
.reg-mark.tr{ top:18px; right:18px; transform:scaleX(-1); }
.reg-mark.bl{ bottom:18px; left:18px; transform:scaleY(-1); }
.reg-mark.br{ bottom:18px; right:18px; transform:scale(-1,-1); }

/* ---------------- drawing sheet header (replaces generic kicker) ---------------- */
.sheet-mark{
  display:flex; align-items:center; gap:12px;
  font-family:var(--ff-mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--cyan-dark); font-weight:500; margin-bottom:18px;
}
.sheet-mark::before{ content:""; width:20px; height:1px; background:var(--cyan-dark); flex:none; }
.sheet-mark .no{ color:var(--gray-soft); font-weight:400; }
.sheet-mark.on-dark{ color:var(--cyan); }
.sheet-mark.on-dark::before{ background:var(--cyan); }
.sheet-mark.on-dark .no{ color:#8f97b8; }

h1,h2,h3,h4{ margin:0; font-family:var(--ff-sans); font-weight:800; letter-spacing:-.015em; }
h2{ font-size:clamp(28px,3.4vw,40px); line-height:1.14; }
h3{ font-size:19px; line-height:1.3; letter-spacing:-.005em; }
p{ margin:0; }
.lead{ font-size:16.5px; line-height:1.7; color:var(--gray); }
.on-dark .lead, .lead.on-dark{ color:#b6bedd; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 24px;
  border-radius:3px;
  font-family:var(--ff-sans);
  font-weight:700;
  font-size:14px;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-cyan{
  background:var(--cyan);
  color:#04151c;
  box-shadow:0 12px 26px -12px rgba(46,200,233,.55);
}
.btn-cyan:hover{ background:var(--cyan-dark); transform:translateY(-1px); }
.btn-ghost-dark{
  border-color:rgba(255,255,255,.3);
  color:#fff;
  background:transparent;
}
.btn-ghost-dark:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn-ghost-light{
  border-color:var(--line);
  color:var(--navy);
}
.btn-ghost-light:hover{ border-color:var(--navy); }
.btn svg{ width:15px; height:15px; flex:none; }

/* ---------------- HEADER ---------------- */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(6,20,73,.92);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.nav-logo img{ height:28px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:13px; font-weight:600; color:#ccd2ea;
  letter-spacing:.01em;
  transition:color .15s ease;
  position:relative;
}
.nav-links a:hover{ color:#fff; }
.nav-cta{ display:flex; align-items:center; gap:18px; }
.nav-phone{
  font-family:var(--ff-mono); font-size:12.5px; color:#a9b1d4;
  display:flex; align-items:center; gap:8px;
}
.nav-burger{ display:none; }

/* ---------------- HERO ---------------- */
.hero{
  background:linear-gradient(190deg, var(--navy-dark) 0%, var(--navy) 62%, var(--navy-dark) 100%);
  color:#fff;
  padding:88px 0 0;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:start;
  position:relative;
  z-index:2;
  padding-top:8px;
}
.hero-copy{ padding-top:10px; }
.hero h1{
  font-size:clamp(36px,4.3vw,54px);
  line-height:1.08;
  color:#fff;
  max-width:600px;
}
.hero h1 em{
  font-style:normal;
  color:var(--cyan);
}
.hero .lead{ margin-top:20px; max-width:500px; font-size:17px; }
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

/* signature: continuous signal line */
.signal{ margin-top:44px; max-width:560px; }
.signal svg{ width:100%; height:auto; display:block; }
.signal-path{
  fill:none; stroke:var(--cyan); stroke-width:2; stroke-linecap:round; stroke-linejoin:round;
  stroke-dasharray:900; stroke-dashoffset:900;
  animation:draw-signal 2.2s .3s cubic-bezier(.4,0,.2,1) forwards;
}
@media (prefers-reduced-motion:reduce){
  .signal-path{ animation:none; stroke-dashoffset:0; }
}
@keyframes draw-signal{ to{ stroke-dashoffset:0; } }
.signal-caption{
  font-family:var(--ff-mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase;
  color:#7f8ad6; margin-top:8px;
}

.hero-badges{
  display:flex; gap:0; margin-top:40px; flex-wrap:wrap;
  border:1px solid rgba(255,255,255,.16);
  border-radius:3px;
  overflow:hidden;
}
.badge{
  display:flex; flex-direction:column; gap:4px;
  padding:12px 20px;
  font-family:var(--ff-mono);
  font-size:11.5px;
  color:#c7cde6;
  border-right:1px solid rgba(255,255,255,.16);
  letter-spacing:.02em;
}
.badge:last-child{ border-right:none; }
.badge b{ color:var(--cyan); font-weight:600; font-size:13.5px; }

/* hero figure: technical "carimbo" + Fig.01 photo */
.hero-figure{ position:relative; z-index:2; }
.doc-stamp{
  border:1px solid rgba(255,255,255,.22);
  border-radius:3px;
  overflow:hidden;
  margin-bottom:18px;
  background:rgba(255,255,255,.03);
}
.doc-stamp-row{ display:flex; }
.doc-stamp-cell{
  flex:1;
  padding:9px 14px;
  border-right:1px solid rgba(255,255,255,.16);
}
.doc-stamp-cell:last-child{ border-right:none; }
.doc-stamp-row + .doc-stamp-row .doc-stamp-cell{ border-top:1px solid rgba(255,255,255,.16); }
.doc-stamp-cell .k{ font-family:var(--ff-mono); font-size:9px; letter-spacing:.1em; text-transform:uppercase; color:#8f97b8; }
.doc-stamp-cell .v{ font-family:var(--ff-mono); font-size:12.5px; color:#e7eaf6; margin-top:3px; font-weight:500; }

.fig-frame{
  border:1px solid rgba(255,255,255,.18);
  border-radius:3px;
  overflow:hidden;
  background:var(--navy-dark);
}
.fig-frame img{ width:100%; height:auto; display:block; }
.fig-caption{
  padding:14px 16px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex; gap:12px; align-items:flex-start;
}
.fig-caption .fig-no{
  font-family:var(--ff-mono); font-size:11px; color:var(--cyan); font-weight:700; flex:none; padding-top:1px;
}
.fig-caption .fig-text b{ display:block; color:#fff; font-size:13px; font-weight:600; margin-bottom:2px; font-family:var(--ff-sans); }
.fig-caption .fig-text span{ font-family:var(--ff-mono); font-size:11px; color:#aab1d0; line-height:1.55; }

/* quick contact bar */
.quickbar{
  background:var(--navy-deeper);
  border-top:1px solid rgba(255,255,255,.08);
  padding:16px 0;
  margin-top:64px;
}
.quickbar .container{
  display:flex; flex-wrap:wrap; gap:24px; justify-content:space-between; align-items:center;
}
.quick-item{
  display:flex; align-items:center; gap:10px;
  font-family:var(--ff-mono);
  font-size:12px;
  color:#a9b1d4;
}
.quick-item svg{ width:15px; height:15px; color:var(--cyan); flex:none; }
.quick-item a{ color:#e7eaf6; font-weight:500; }
.quick-item a:hover{ color:var(--cyan); }

/* ---------------- SECTION HEADERS ---------------- */
.sec-head{ max-width:640px; margin-bottom:52px; }
.sec-head h2{ margin-top:2px; }
.sec-head .lead{ margin-top:15px; }
.sec-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.sec-head.center .sheet-mark{ justify-content:center; }
.sec-head.center .sheet-mark::before{ display:none; }

/* ---------------- SERVICES ---------------- */
.services{ padding:110px 0 100px; background:var(--white); }
.svc-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.svc-card{
  background:var(--white);
  padding:32px 30px 30px;
  min-height:250px;
  display:flex; flex-direction:column;
  transition:background .2s ease;
}
.svc-card:hover{ background:var(--paper-2); }
.svc-top{ display:flex; align-items:flex-start; justify-content:space-between; }
.svc-icon{
  width:42px; height:42px; border-radius:3px;
  background:var(--navy);
  display:flex; align-items:center; justify-content:center;
  flex:none;
}
.svc-icon svg{ width:20px; height:20px; color:var(--cyan); }
.svc-code{
  font-family:var(--ff-mono); font-size:11px; color:var(--gray-soft); font-weight:600;
  border:1px solid var(--line); border-radius:2px; padding:3px 7px; letter-spacing:.03em;
}
.svc-card h3{ margin-top:20px; color:var(--navy-dark); }
.svc-card p{ margin-top:10px; font-size:14px; line-height:1.65; color:var(--gray); }

/* ---------------- RISKS ---------------- */
.risks{
  background:linear-gradient(180deg,var(--navy-deeper),#071040 55%,var(--navy-deeper));
  color:#fff;
  padding:110px 0;
}
.risks .sec-head .lead{ color:#a5abcc; }
.risk-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
}
.risk-card{
  background:var(--navy-deeper);
  padding:28px 28px 26px;
  position:relative;
}
.risk-top{ display:flex; align-items:center; gap:12px; }
.risk-code{
  font-family:var(--ff-mono); font-weight:700; font-size:11px; letter-spacing:.04em;
  color:var(--hazard-yellow);
  border:1px solid rgba(242,183,5,.4);
  padding:4px 8px; border-radius:2px;
  display:flex; align-items:center; gap:6px;
  flex:none;
}
.risk-code svg{ width:11px; height:11px; }
.risk-card h3{ color:#fff; font-size:17px; }
.risk-card p{ margin-top:13px; font-size:14px; line-height:1.7; color:#aeb4d4; }
.risk-tags{ display:flex; flex-wrap:wrap; gap:7px; margin-top:15px; }
.risk-tags span{
  font-family:var(--ff-mono); font-size:10px; letter-spacing:.02em;
  border:1px solid rgba(255,255,255,.16);
  color:#c3c9e6;
  padding:5px 8px; border-radius:2px;
  background:rgba(255,255,255,.02);
}
.hazard-rule{
  height:6px;
  background:repeating-linear-gradient(-45deg, var(--hazard-yellow) 0 10px, var(--navy-deeper) 10px 20px);
  opacity:.55;
}

/* ---------------- HISTORY ---------------- */
.history{ padding:120px 0; background:var(--paper); overflow:hidden; }
.history-grid{
  display:grid;
  grid-template-columns:.62fr .8fr;
  gap:60px;
  align-items:center;
}
.history-figure{ position:relative; }
.history-photo{ position:relative; }
.history-photo .fig-frame{ border-color:var(--line); background:var(--navy-dark); }
.history-photo .fig-caption{ background:var(--navy-dark); }
.history-img{ position:relative; }
.history-stat{
  position:absolute; left:20px; bottom:20px;
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:3px;
  padding:18px 22px;
  min-width:160px;
}
.history-stat .n{
  font-family:var(--ff-mono); font-weight:800; font-size:38px; color:var(--navy);
  display:flex; align-items:baseline; gap:2px; line-height:1;
}
.history-stat .n span{ color:var(--cyan-dark); font-size:22px; }
.history-stat .l{ margin-top:8px; font-size:12px; color:var(--gray); font-weight:600; line-height:1.4; }

.history-body .lead{ margin-top:16px; }
.sector-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:1px; margin-top:32px;
  background:var(--line); border:1px solid var(--line);
}
.sector-item{
  display:flex; align-items:center; gap:12px;
  background:var(--white);
  padding:14px 16px;
}
.sector-item .tag{
  font-family:var(--ff-mono); font-size:10px; font-weight:700; letter-spacing:.04em;
  color:var(--cyan-dark);
  border:1px solid var(--line); border-radius:2px; padding:4px 6px; flex:none;
}
.sector-item span.label{ font-size:13px; font-weight:600; color:var(--navy-dark); line-height:1.3; }

/* ---------------- PROCESS ---------------- */
.process{ padding:110px 0 120px; background:var(--white); }
.process-track{
  display:grid; grid-template-columns:repeat(3,1fr); gap:36px;
  position:relative; margin-top:16px;
}
.process-track::before{
  content:"";
  position:absolute; top:24px; left:8%; right:8%; height:1px;
  background:repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
  z-index:0;
}
.process-step{ position:relative; z-index:1; }
.process-num{
  width:50px; height:50px; border-radius:3px;
  background:var(--navy);
  color:var(--cyan);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--ff-mono); font-weight:700; font-size:17px;
}
.process-step h3{ margin-top:20px; color:var(--navy-dark); }
.process-step p{ margin-top:9px; font-size:14px; line-height:1.65; color:var(--gray); max-width:280px; }

/* ---------------- CTA ---------------- */
.cta{
  background:var(--navy-dark);
  color:#fff;
  padding:96px 0;
  position:relative;
  overflow:hidden;
}
.cta-inner{
  display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap;
  position:relative; z-index:2;
}
.cta h2{ color:#fff; max-width:520px; }
.cta .lead{ margin-top:15px; max-width:460px; }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ---------------- FOOTER ---------------- */
footer{
  background:var(--navy-deeper);
  color:#a5abcc;
  padding:64px 0 28px;
}
.foot-grid{
  display:grid; grid-template-columns:1.3fr .8fr .8fr 1fr; gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.foot-logo img{ height:26px; }
.foot-tag{ margin-top:15px; font-size:13px; line-height:1.7; color:#838ab0; max-width:280px; }
.foot-col h4{
  font-family:var(--ff-mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:#6b74a0; font-weight:600; margin-bottom:17px;
}
.foot-col ul li{ margin-bottom:11px; }
.foot-col a{ font-size:13px; color:#bcc2e0; }
.foot-col a:hover{ color:var(--cyan); }
.foot-contact li{ display:flex; align-items:flex-start; gap:10px; font-size:13px; color:#bcc2e0; margin-bottom:13px; line-height:1.5; }
.foot-contact svg{ width:14px; height:14px; color:var(--cyan); flex:none; margin-top:2px; }
.foot-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-top:24px;
  font-size:11.5px; color:#666e99;
  font-family:var(--ff-mono);
}
.foot-bottom .pill{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid rgba(46,200,233,.3); color:#7fd0e6;
  padding:6px 12px; border-radius:2px;
}
.foot-bottom .pill .dot{ width:6px; height:6px; border-radius:50%; background:var(--cyan); }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 1020px){
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .hero-figure{ max-width:460px; }
  .history-grid{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr 1fr; row-gap:34px; }
}
@media (max-width: 960px){
  .nav{ gap:18px; }
  .nav-links{ gap:20px; }
  .nav-phone{ display:none; }
}
@media (max-width: 860px){
  .svc-grid{ grid-template-columns:1fr 1fr; }
  .risk-grid{ grid-template-columns:1fr; }
  .process-track{ grid-template-columns:1fr; gap:40px; }
  .process-track::before{ display:none; }
}
@media (max-width: 700px){
  .container{ padding:0 20px; }
  .nav-links{ display:none; }
  .nav-phone{ display:none; }
  .hero{ padding:32px 0 0; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-actions .btn{ justify-content:center; }
  .hero-badges{ flex-direction:column; }
  .badge{ border-right:none; border-bottom:1px solid rgba(255,255,255,.16); }
  .badge:last-child{ border-bottom:none; }
  .quickbar{ margin-top:48px; }
  .quickbar .container{ flex-direction:column; align-items:flex-start; gap:14px; }
  .svc-grid{ grid-template-columns:1fr; }
  .sector-grid{ grid-template-columns:1fr; }
  .services, .risks, .history, .process, .cta{ padding:64px 0; }
  .cta-inner{ flex-direction:column; align-items:flex-start; }
  .foot-grid{ grid-template-columns:1fr; }
  .history-stat{ position:static; margin-top:-1px; width:100%; }
  .doc-stamp-row{ flex-wrap:wrap; }
  .doc-stamp-cell{ min-width:50%; border-bottom:1px solid rgba(255,255,255,.16); }
}