/* ==========================================================================
   MGE Engenharia — folha de estilo compartilhada
   Layout fiel ao site atual, com tipografia, espaçamento e alinhamento
   aprimorados. Fonte: Work Sans. Accent: #ff6200.
   ========================================================================== */

:root{
  --orange:#ff6200;
  --orange-d:#e05600;
  --ink:#23282d;        /* títulos escuros */
  --text:#3f4448;       /* corpo de texto */
  --muted:#6b7280;      /* texto secundário */
  --navy:#12263a;       /* botões escuros / hero escuro */
  --bg:#ffffff;
  --bg-soft:#f4f4f5;
  --line:#e7e7ea;
  --green:#123a2a;      /* hero ESG */
  --maxw:1180px;
  --radius:8px;
  --shadow:0 8px 30px rgba(0,0,0,.08);
  --shadow-sm:0 3px 14px rgba(0,0,0,.06);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Work Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{
  font-family:"Work Sans",sans-serif;
  color:var(--ink);
  line-height:1.15;
  letter-spacing:-.01em;
  margin:0 0 .5em;
  font-weight:700;
}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.bg-soft{background:var(--bg-soft)}
.text-center{text-align:center}
.accent{color:var(--orange)}

/* linha decorativa sob títulos */
.eyebrow-line{width:64px;height:4px;background:var(--orange);border-radius:2px;margin:0 0 22px}
.eyebrow-line.center{margin-left:auto;margin-right:auto}

.section-title{font-size:2.15rem;margin-bottom:.35em}
.section-title.center{text-align:center}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.lead.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Botões ---------- */
.btn{
  display:inline-block;
  padding:14px 30px;
  border-radius:6px;
  font-weight:600;
  font-size:1rem;
  letter-spacing:.01em;
  transition:transform .15s ease, background .2s ease, box-shadow .2s ease;
  cursor:pointer;border:0;
}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-d);transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,98,0,.28)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:#1c3550;transform:translateY(-2px)}
.btn-block{display:block;width:100%;text-align:center}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:88px;gap:24px;
}
.logo img{height:56px;width:auto}
.main-nav ul{display:flex;list-style:none;gap:34px;margin:0;padding:0}
.main-nav a{
  font-weight:500;font-size:1.02rem;color:#2a2f34;
  padding:6px 0;position:relative;transition:color .2s;
}
.main-nav a:hover{color:var(--orange)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  background:var(--orange);border-radius:2px;
}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;
  background-size:cover;background-position:center;color:#fff;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(0,0,0,.15))}
.hero .container{position:relative;z-index:2}
.hero h1{
  color:#fff;font-size:3.6rem;line-height:1.08;max-width:15ch;
  text-shadow:0 2px 14px rgba(0,0,0,.35);
}
.hero h1 .accent{color:var(--orange)}

/* hero interno (páginas) — faixa colorida */
.page-hero{
  min-height:300px;display:flex;align-items:center;color:#fff;
  background-size:cover;background-position:center;
}
.page-hero.dark{background:#111}
.page-hero.grey{background:#3d3d3f}
.page-hero.green{background:var(--green)}
.page-hero h1{color:#fff;font-size:3rem;margin:0}
.page-hero h1 .accent{color:var(--orange)}

/* ---------- Capacitação (3 cards) ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:48px}
.cap-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  min-height:440px;display:flex;align-items:flex-end;
  background-size:cover;background-position:center;color:#fff;
  box-shadow:var(--shadow-sm);
}
.cap-card::before{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.15),rgba(20,20,20,.15) 40%,rgba(20,20,20,.72));
  transition:background .3s;}
.cap-card:hover::before{background:linear-gradient(180deg,rgba(255,98,0,.15),rgba(20,20,20,.55) 40%,rgba(20,20,20,.86))}
.cap-card__body{position:relative;z-index:2;padding:30px 28px}
.cap-card h3{color:var(--orange);font-size:1.4rem;margin-bottom:.4em}
.cap-card ul{margin:0;padding-left:18px;font-size:.98rem;line-height:1.55;
  max-height:0;opacity:0;overflow:hidden;transition:max-height .4s ease,opacity .3s ease}
.cap-card:hover ul{max-height:420px;opacity:1}
.cap-card p{margin:0;font-size:.98rem;max-height:0;opacity:0;overflow:hidden;transition:max-height .4s ease,opacity .3s ease}
.cap-card:hover p{max-height:420px;opacity:1}

/* ---------- Áreas de Atuação ---------- */
.areas{position:relative;background-size:cover;background-position:center}
.areas::before{content:"";position:absolute;inset:0;background:rgba(244,244,245,.86)}
.areas .container{position:relative;z-index:2}
.areas-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:36px}
.area{text-align:center}
.area__icon{
  background:var(--orange);border-radius:6px;aspect-ratio:1;
  display:flex;align-items:center;justify-content:center;padding:26px;margin-bottom:14px;
  transition:transform .2s;
}
.area:hover .area__icon{transform:translateY(-5px)}
.area__icon img{width:78px;height:78px;object-fit:contain;filter:brightness(0) invert(1)}
.area h4{font-size:1.05rem;font-weight:500;color:#2a2f34;margin:0}

/* ---------- Carrossel simples (portfolio / clientes) ---------- */
.strip{display:flex;gap:24px;overflow-x:auto;padding:8px 0 20px;scroll-snap-type:x mandatory}
.strip::-webkit-scrollbar{height:8px}
.strip::-webkit-scrollbar-thumb{background:#d5d5d8;border-radius:4px}
.pf-card{flex:0 0 clamp(280px,32%,380px);scroll-snap-align:start;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);background:#000;position:relative}
.pf-card img{height:260px;width:100%;object-fit:cover;opacity:.9;transition:.3s}
.pf-card:hover img{opacity:1;transform:scale(1.03)}
.pf-card__label{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 20px;color:#fff;
  background:linear-gradient(transparent,rgba(0,0,0,.8))}
.pf-card__tag{display:inline-block;background:var(--orange);color:#fff;font-size:.7rem;font-weight:700;
  letter-spacing:.08em;padding:3px 8px;border-radius:3px;margin-bottom:8px}
.pf-card__label h4{color:#fff;font-size:1.05rem;margin:0}

/* clientes logos */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:30px;align-items:center}
.clients img{max-height:56px;width:auto;margin:0 auto;filter:grayscale(1);opacity:.65;transition:.25s}
.clients img:hover{filter:none;opacity:1}

/* ---------- Formulário ---------- */
.form-section{position:relative;background-size:cover;background-position:center;color:#fff}
.form-section::before{content:"";position:absolute;inset:0;background:rgba(20,15,10,.62)}
.form-section .container{position:relative;z-index:2;max-width:760px}
.form-title{color:#fff;text-align:center;font-size:2.4rem;margin-bottom:34px}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:12px;padding:34px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.9rem;font-weight:500;margin-bottom:6px;color:#f0f0f0}
.field input,.field textarea{
  width:100%;padding:13px 15px;border:1px solid rgba(255,255,255,.35);border-radius:6px;
  background:rgba(255,255,255,.92);color:#222;font:inherit;font-size:1rem;
}
.field textarea{min-height:120px;resize:vertical}
.form-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.form-actions .btn{flex:1;min-width:180px}

/* Ficha de contato (fundo claro) */
.form-card.light{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:var(--text)}
.form-card.light .field label{color:var(--ink)}
.form-card.light .field input,.form-card.light .field textarea{background:var(--bg-soft);border-color:var(--line)}
.form-card.light h3{color:var(--orange);text-align:center;font-size:1.7rem;margin-bottom:24px}

/* ---------- Blocos genéricos ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-top:16px}
.feature h4{color:var(--orange);font-size:1.15rem;margin-bottom:.35em}
.feature p{margin:0;color:var(--text)}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:30px}
.stat b{display:block;font-size:2.4rem;color:var(--ink);line-height:1;font-weight:700}
.stat span{color:var(--muted);font-size:.98rem}

/* timeline diferenciais */
.timeline{max-width:760px;margin:40px auto 0;position:relative;padding-left:0}
.tl-group{margin-bottom:40px}
.tl-group > h3{color:var(--orange);text-align:center;font-size:1.5rem;margin-bottom:20px}
.tl-steps{display:flex;flex-direction:column;gap:12px}
.tl-step{background:var(--bg-soft);border-left:4px solid var(--orange);border-radius:6px;
  padding:16px 22px;font-weight:500;color:var(--ink)}

/* liderança cards */
.people{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;margin-top:40px}
.person{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.person h4{margin:0 0 4px;font-size:1.1rem}
.person .role{color:var(--orange);font-weight:600;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px}
.person p{margin:0;font-size:.9rem;color:var(--muted)}

/* cultura tabs */
.culture{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.culture .card{background:#fff;border-top:4px solid var(--orange);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm)}
.culture .card h3{font-size:1.2rem}

.values li{margin-bottom:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-soft);padding:64px 0 28px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.1fr 1.4fr auto;gap:48px}
.footer-col h3{color:var(--orange);font-size:1.5rem;margin-bottom:18px}
.footer-col .eyebrow-line{margin-bottom:22px}
.footer-stats p{margin:0 0 12px;color:var(--text);font-size:.98rem}
.footer-contact ul{list-style:none;margin:0;padding:0}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.footer-contact li svg{flex:0 0 18px;margin-top:3px;color:var(--orange)}
.footer-contact a{color:var(--text)}
.footer-contact a:hover{color:var(--orange)}
.socials{display:flex;gap:12px}
.socials a{width:40px;height:40px;border-radius:6px;background:var(--orange);display:flex;align-items:center;justify-content:center;color:#fff;transition:.2s}
.socials a:hover{background:var(--orange-d);transform:translateY(-3px)}
.footer-bottom{text-align:center;color:var(--muted);font-size:.85rem;margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}

/* WhatsApp flutuante */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:.2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* ---------- Responsivo ---------- */
@media(max-width:980px){
  .hero h1{font-size:2.7rem}
  .cap-grid{grid-template-columns:1fr;}
  .cap-card{min-height:300px}
  .cap-card ul,.cap-card p{max-height:420px;opacity:1}
  .cap-card::before{background:linear-gradient(180deg,rgba(20,20,20,.25),rgba(20,20,20,.82))}
  .areas-grid{grid-template-columns:repeat(2,1fr)}
  .clients{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .culture{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:720px){
  body{font-size:16px}
  .section{padding:60px 0}
  .header-inner{min-height:70px}
  .logo img{height:46px}
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease}
  .main-nav.open{max-height:400px}
  .main-nav ul{flex-direction:column;gap:0;padding:8px 24px}
  .main-nav li{padding:12px 0;border-bottom:1px solid var(--line)}
  .hero h1{font-size:2.2rem}
  .page-hero h1{font-size:2rem}
  .section-title{font-size:1.7rem}
  .areas-grid{grid-template-columns:repeat(2,1fr)}
  .clients{grid-template-columns:repeat(2,1fr)}
}