/* ============================================
   LUCENA ESTRUTURAL — Design System
   Azul  #1E3A8A | Ouro #D97706 | Cinza #1F2937
   Display: Montserrat | Corpo: Inter
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root{
  --azul: #1E3A8A;
  --azul-escuro: #14265c;
  --ouro: #D97706;
  --ouro-claro: #F59E0B;
  --cinza: #1F2937;
  --cinza-medio: #4B5563;
  --cinza-claro: #6B7280;
  --linha: #E2E8F0;
  --bg: #FFFFFF;
  --bg-secao: #F8FAFC;
  --bg-azul-tint: #EFF4FC;

  --display: 'Montserrat', sans-serif;
  --corpo: 'Inter', sans-serif;

  --container: 1180px;
  --radius: 4px;
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  font-family: var(--corpo);
  color: var(--cinza);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }

a{ color:inherit; text-decoration:none; }

.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1,h2,h3,h4{
  font-family: var(--display);
  color: var(--azul);
  line-height: 1.2;
  font-weight: 700;
}

.eyebrow{
  font-family: var(--display);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ouro);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width: 26px;
  height: 2px;
  background: var(--ouro);
  display:inline-block;
}

.section{ padding: 96px 0; }
.section-head{ max-width: 620px; margin-bottom: 52px; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin-top:10px; }
.section-head p{ color: var(--cinza-medio); margin-top:14px; font-size:1.05rem; }
.section-alt{ background: var(--bg-secao); }

/* Divisor em forma de "estai" — motivo assinatura da marca, reaparece entre seções */
.cable-divider{
  width:100%;
  height:34px;
  display:block;
}

/* ---------- BOTÕES ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--display);
  font-weight:600;
  font-size:.92rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  cursor:pointer;
  border:none;
}
.btn-primary{
  background: var(--ouro);
  color:#fff;
  box-shadow: 0 6px 18px rgba(217,119,6,.28);
}
.btn-primary:hover{ background: var(--ouro-claro); transform: translateY(-2px); }
.btn-outline{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.55);
}
.btn-outline:hover{ border-color:#fff; background: rgba(255,255,255,.08); }
.btn-outline-dark{
  background:transparent;
  color: var(--azul);
  border:1.5px solid var(--azul);
}
.btn-outline-dark:hover{ background: var(--azul); color:#fff; }

/* ---------- HEADER ---------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  border-bottom: 1px solid var(--linha);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:34px; width:auto; }
.brand-text{ font-family: var(--display); line-height:1.05; }
.brand-text .nome{ font-weight:800; font-size:1.02rem; color:var(--azul); letter-spacing:-.2px; }
.brand-text .sub{ font-weight:600; font-size:.56rem; color:var(--ouro); letter-spacing:.18em; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-family: var(--display);
  font-size:.86rem;
  font-weight:600;
  color: var(--cinza);
  position:relative;
  padding: 6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:2px; background: var(--ouro);
  transition: width .2s ease;
}
.nav-links a:hover::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:22px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--azul); margin:5px 0; }
.nav-mobile-cta{ display:none; }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding: 168px 0 0;
  background: linear-gradient(180deg, var(--azul-escuro) 0%, var(--azul) 62%);
  color:#fff;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 40px;
  align-items:center;
  padding-bottom: 40px;
}
.hero-eyebrow{
  font-family: var(--display);
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color: var(--ouro-claro);
  margin-bottom:22px;
  display:flex; align-items:center; gap:10px;
}
.hero-eyebrow::before{ content:""; width:26px; height:2px; background:var(--ouro-claro); }
.hero h1{
  color:#fff;
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  font-weight:800;
  letter-spacing:-.5px;
}
.hero h1 em{
  font-style:normal;
  color: var(--ouro-claro);
}
.hero .slogan{
  font-family: var(--display);
  font-style: italic;
  font-weight:500;
  font-size: 1.28rem;
  color: #FDE9C8;
  margin-top: 18px;
}
.hero p.lead{
  margin-top: 22px;
  font-size: 1.05rem;
  color: rgba(255,255,255,.82);
  max-width: 480px;
}
.hero-actions{ margin-top: 38px; display:flex; gap:16px; flex-wrap:wrap; }

.hero-stats{
  display:flex;
  gap: 40px;
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stats div strong{
  display:block;
  font-family: var(--display);
  font-size:1.7rem;
  font-weight:800;
  color:#fff;
}
.hero-stats div span{
  font-size:.8rem;
  color: rgba(255,255,255,.65);
}

/* --- assinatura visual: ponte estaiada em SVG, motivo do logo ampliado --- */
.hero-visual{ position:relative; height: 420px; }
.bridge-svg{ width:100%; height:100%; }
.bridge-svg .cabo{
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: draw 1.4s ease forwards;
}
.bridge-svg .cabo:nth-child(1){ animation-delay: .15s; }
.bridge-svg .cabo:nth-child(2){ animation-delay: .30s; }
.bridge-svg .cabo:nth-child(3){ animation-delay: .45s; }
.bridge-svg .cabo:nth-child(4){ animation-delay: .60s; }
.bridge-svg .cabo:nth-child(5){ animation-delay: .75s; }
.bridge-svg .cabo:nth-child(6){ animation-delay: .90s; }
.bridge-svg .tabuleiro{
  stroke-dasharray: 640;
  stroke-dashoffset: 640;
  animation: draw 1.1s ease forwards .95s;
}
.bridge-svg .pilone{
  opacity:0;
  animation: fadein .6s ease forwards 0s;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }
@keyframes fadein{ to{ opacity:1; } }

@media (prefers-reduced-motion: reduce){
  .bridge-svg .cabo, .bridge-svg .tabuleiro{ animation:none; stroke-dashoffset:0; }
  .bridge-svg .pilone{ animation:none; opacity:1; }
}

.hero-wave{
  display:block;
  width:100%;
  margin-top: 50px;
}

/* ---------- SOBRE ---------- */
.sobre-grid{
  display:grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 64px;
  align-items:center;
}
.sobre-visual{
  background: var(--bg-azul-tint);
  border-radius: 6px;
  padding: 46px;
  position:relative;
}
.sobre-visual .selo{
  display:flex; align-items:center; gap:16px;
  padding: 18px 0;
  border-top: 1px solid var(--linha);
}
.sobre-visual .selo:first-child{ border-top:none; padding-top:0; }
.selo strong{ display:block; font-family:var(--display); color:var(--azul); font-size:1.05rem; }
.selo span{ font-size:.85rem; color:var(--cinza-claro); }
.selo-icon{
  width:44px; height:44px;
  border-radius:50%;
  background:#fff;
  display:flex; align-items:center; justify-content:center;
  color:var(--ouro);
  flex:none;
  box-shadow: 0 4px 10px rgba(30,58,138,.08);
}

.sobre-texto p{ color: var(--cinza-medio); margin-top:16px; }
.sobre-texto p:first-of-type{ margin-top:0; }

/* ---------- SERVIÇOS ---------- */
.servicos-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--linha);
  border: 1px solid var(--linha);
}
.servico-card{
  background:#fff;
  padding: 40px 34px;
  transition: background .2s ease;
}
.servico-card:hover{ background: var(--bg-azul-tint); }
.servico-icon{
  width:52px; height:52px;
  border-radius:50%;
  background: var(--bg-azul-tint);
  display:flex; align-items:center; justify-content:center;
  color: var(--azul);
  margin-bottom: 22px;
}
.servico-card:hover .servico-icon{ background:var(--azul); color:#fff; }
.servico-card h3{ font-size:1.08rem; margin-bottom:10px; }
.servico-card p{ color: var(--cinza-medio); font-size:.92rem; }

/* ---------- PROCESSO ---------- */
.processo-lista{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position:relative;
}
.processo-item{
  position:relative;
  padding: 0 28px 0 0;
}
.processo-num{
  font-family: var(--display);
  font-weight:800;
  font-size: 2.6rem;
  color: var(--bg-azul-tint);
  -webkit-text-stroke: 1.5px var(--azul);
  margin-bottom: 18px;
  line-height:1;
}
.processo-item h4{ font-size:1rem; margin-bottom:8px; color:var(--azul); }
.processo-item p{ font-size:.88rem; color:var(--cinza-medio); }
.processo-linha{
  position:absolute;
  top:22px; left:0; right:0;
  height:1px;
  background: var(--linha);
  z-index:0;
}

/* ---------- PROJETOS ---------- */
.projetos-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.projeto-card{
  border: 1px solid var(--linha);
  border-radius: 6px;
  overflow:hidden;
  background:#fff;
}
.projeto-img{
  height: 190px;
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-escuro) 100%);
  position:relative;
  display:flex; align-items:center; justify-content:center;
}
.projeto-img svg{ width:64px; height:64px; opacity:.5; }
.projeto-body{ padding: 22px 24px; }
.projeto-tag{
  font-family:var(--display); font-size:.7rem; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; color:var(--ouro);
}
.projeto-body h3{ font-size:1.05rem; margin: 8px 0 6px; }
.projeto-body p{ font-size:.88rem; color:var(--cinza-claro); }

.projetos-nota{
  margin-top: 30px;
  font-size: .86rem;
  color: var(--cinza-claro);
  font-style: italic;
  border-left: 3px solid var(--ouro);
  padding-left:14px;
}

/* ---------- CTA FAIXA ---------- */
.cta-faixa{
  background: var(--cinza);
  color:#fff;
  padding: 64px 0;
}
.cta-faixa .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 30px;
  flex-wrap:wrap;
}
.cta-faixa h3{ color:#fff; font-size:1.5rem; max-width:520px; }
.cta-faixa p{ color:rgba(255,255,255,.65); margin-top:8px; }

/* ---------- CONTATO ---------- */
.contato-grid{
  display:grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 60px;
}
.contato-info .item{
  display:flex; gap:16px;
  padding: 20px 0;
  border-top:1px solid var(--linha);
}
.contato-info .item:first-child{ border-top:none; padding-top:0; }
.contato-icon{
  width:42px; height:42px; flex:none;
  border-radius:50%;
  background: var(--bg-azul-tint);
  display:flex; align-items:center; justify-content:center;
  color:var(--azul);
}
.contato-info strong{ display:block; font-family:var(--display); font-size:.95rem; color:var(--azul); }
.contato-info span, .contato-info a{ font-size:.92rem; color:var(--cinza-medio); }

.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
.form-group{ margin-bottom:18px; }
.form-group label{
  display:block; font-family:var(--display); font-size:.8rem; font-weight:600;
  color:var(--azul); margin-bottom:7px;
}
.form-group input, .form-group select, .form-group textarea{
  width:100%;
  border:1px solid var(--linha);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--corpo);
  font-size:.94rem;
  color:var(--cinza);
  background:#fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{
  outline:none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(30,58,138,.12);
}
.form-group textarea{ resize:vertical; min-height:120px; }
.form-status{ margin-top:14px; font-size:.88rem; }
.form-status.ok{ color:#15803d; }
.form-status.err{ color:#b91c1c; }

/* ---------- FOOTER ---------- */
.site-footer{
  background: var(--azul-escuro);
  color: rgba(255,255,255,.78);
  padding: 60px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-text .nome{ color:#fff; }
.footer-brand p{ margin-top:16px; font-size:.88rem; color:rgba(255,255,255,.6); max-width:280px; }
.footer-col h4{
  color:#fff; font-size:.82rem; letter-spacing:.06em; text-transform:uppercase;
  margin-bottom:16px; font-family:var(--display);
}
.footer-col ul{ list-style:none; }
.footer-col li{ margin-bottom:10px; font-size:.88rem; }
.footer-col a:hover{ color: var(--ouro-claro); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top: 26px; font-size:.8rem; color:rgba(255,255,255,.5);
  flex-wrap:wrap; gap:10px;
}

/* ---------- SCROLL REVEAL ---------- */
.reveal{ opacity:0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- RESPONSIVO ---------- */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-visual{ height:260px; order:-1; }
  .sobre-grid{ grid-template-columns:1fr; }
  .servicos-grid{ grid-template-columns: repeat(2,1fr); }
  .processo-lista{ grid-template-columns: repeat(2,1fr); row-gap:34px; }
  .processo-linha{ display:none; }
  .projetos-grid{ grid-template-columns: repeat(2,1fr); }
  .contato-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; row-gap:30px; }
}

@media (max-width: 720px){
  .nav-links{
    position:fixed; top:76px; left:0; right:0; bottom:0;
    background:#fff; flex-direction:column; align-items:flex-start;
    padding: 30px 28px; gap:22px;
    transform: translateX(100%);
    transition: transform .25s ease;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
  .nav-cta .btn-outline-dark{ display:none; }
  .nav-mobile-cta{ display:inline-flex; margin-top:6px; }
  .servicos-grid{ grid-template-columns:1fr; }
  .processo-lista{ grid-template-columns:1fr; }
  .projetos-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .cta-faixa .container{ flex-direction:column; align-items:flex-start; }
  .section{ padding: 68px 0; }
}