/* =====================================================================
   ELECTROLINHAS — folha de estilos
   Paleta: azul-grafite profundo + âmbar de sinalização + verde-sinal
   Tipografia: Space Grotesk (títulos) · Inter (texto) · IBM Plex Mono (dados)
   ===================================================================== */

:root{
  --ink:        #0A2E40;   /* azul-petróleo profundo (fundo escuro, do logótipo) */
  --ink-2:      #123C52;   /* painel sobre o fundo escuro */
  --paper:      #F4F7F8;   /* fundo claro das secções */
  --paper-2:    #E8EEF0;   /* fundo alternado */
  --line:       #D6DEE1;   /* linhas/separadores sobre claro */
  --line-dark:  rgba(230,244,248,0.16);
  --text:       #0F232E;
  --text-soft:  #4C6672;
  --text-invert:#EDF7FA;
  --text-invert-soft: rgba(237,247,250,0.68);
  --accent:     #2FB0DD;   /* ciano do logótipo — acento principal */
  --accent-ink: #0E6A8C;   /* variante escura, para texto/ícones sobre claro */
  --green:      #4FA838;   /* verde do logótipo — acento secundário, uso pontual */
  --status:     #F2A93B;   /* âmbar de atenção — só para etiquetas "Em curso" */
  --radius:     2px;
  --shadow:     0 20px 44px rgba(11,27,38,0.14);
  --maxw:       1200px;
  --ff-display: "Space Grotesk", "Inter", sans-serif;
  --ff-body:    "Inter", sans-serif;
  --ff-mono:    "IBM Plex Mono", monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--ff-display);
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem, 4vw + 1rem, 3.6rem); font-weight:600; }
h2{ font-size:clamp(1.7rem, 2.4vw + 1rem, 2.4rem); font-weight:600; }
h3{ font-size:1.15rem; font-weight:600; }
p{ margin:0 0 1em; color:var(--text-soft); }
a{ color:inherit; }

.mono{ font-family:var(--ff-mono); letter-spacing:.04em; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }

.eyebrow{
  display:inline-block;
  font-size:.72rem;
  font-weight:500;
  color:var(--accent-ink);
  background:rgba(47,176,221,0.14);
  padding:5px 10px;
  border-radius:2px;
  margin-bottom:16px;
}
.section-dark .eyebrow{ color:var(--accent); background:rgba(47,176,221,0.16); }

.section-desc{ max-width:640px; }

/* ---------- BOTÕES ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px;
  font-family:var(--ff-body);
  font-weight:600;
  font-size:.94rem;
  border-radius:2px;
  border:1.5px solid transparent;
  text-decoration:none;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--accent); color:#062230; }
.btn-primary:hover{ background:#59c4e8; }
.btn-ghost{ border-color:currentColor; color:inherit; background:transparent; }
.section-dark .btn-ghost{ color:var(--text-invert); }
.btn-ghost:hover{ background:rgba(0,0,0,0.06); }
.section-dark .btn-ghost:hover{ background:rgba(255,255,255,0.08); }
.btn-block{ width:100%; }

/* ---------- CABEÇALHO ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,27,38,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.header-right{ display:flex; align-items:center; gap:22px; }
.brand{ display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--text-invert); }
.brand-mark{
  display:flex; align-items:center; justify-content:center;
  background:#fff; border-radius:6px; padding:4px 7px;
  box-shadow:0 2px 6px rgba(0,0,0,0.25);
}
.brand-mark img{ height:30px; width:auto; display:block; }
.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{ font-family:var(--ff-display); font-size:1.05rem; letter-spacing:.03em; }
.brand-text em{ font-style:normal; font-family:var(--ff-mono); font-size:.62rem; color:var(--text-invert-soft); letter-spacing:.08em; }

.nav{ display:flex; align-items:center; gap:30px; }
.nav a{ color:var(--text-invert-soft); text-decoration:none; font-size:.92rem; font-weight:500; transition:color .2s ease; }
.nav a:hover{ color:var(--text-invert); }
.nav a.nav-cta{
  color:#062230; background:var(--accent); padding:9px 18px; border-radius:2px;
}
.nav a.nav-cta:hover{ background:#59c4e8; }

.lang-switch{
  display:flex; align-items:center; border:1px solid var(--line-dark); border-radius:20px; padding:3px;
}
.lang-btn{
  font-family:var(--ff-mono); font-size:.72rem; font-weight:500; letter-spacing:.05em;
  border:none; background:transparent; color:var(--text-invert-soft);
  padding:5px 12px; border-radius:16px; cursor:pointer; transition:background .2s ease, color .2s ease;
}
.lang-btn.is-active{ background:var(--accent); color:#062230; }
.lang-btn:not(.is-active):hover{ color:var(--text-invert); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:none; cursor:pointer; padding:0;
}
.nav-toggle span{ display:block; width:100%; height:2px; background:var(--text-invert); }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--text-invert);
  overflow:hidden;
  padding:88px 0 96px;
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 30% 30%, black 0%, transparent 72%);
  opacity:.7;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.hero-slides{ position:relative; min-height:180px; }
.hero-slide{
  position:absolute; inset:0;
  opacity:0; visibility:hidden;
  transform:translateY(10px);
  transition:opacity .5s ease, transform .5s ease, visibility 0s linear .5s;
}
.hero-slide.is-active{
  position:relative;
  opacity:1; visibility:visible; transform:translateY(0);
  transition:opacity .5s ease, transform .5s ease;
}
.hero-slide h1 span{ color:var(--accent); }
.hero-slide p{ color:var(--text-invert-soft); font-size:1.08rem; max-width:44ch; }

.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:8px; }

.hero-dots{ display:flex; gap:8px; margin-top:34px; }
.hero-dots button{
  width:26px; height:3px; border:none; background:var(--line-dark); cursor:pointer; padding:0;
  transition:background .2s ease;
}
.hero-dots button.is-active{ background:var(--accent); }

.hero-art{ position:relative; display:flex; flex-direction:column; align-items:center; gap:16px; }
.hero-photo-frame{
  position:relative;
  width:100%;
  max-width:420px;
  aspect-ratio:4/5;
  border:1px solid var(--line-dark);
  padding:14px;
}
.hero-photo{
  width:100%; height:100%; object-fit:cover; display:block;
  filter:saturate(1.05);
}
.frame-corner{
  position:absolute; width:20px; height:20px; border-color:var(--accent); border-style:solid; border-width:0;
}
.frame-corner.tl{ top:-1px; left:-1px; border-top-width:2px; border-left-width:2px; }
.frame-corner.tr{ top:-1px; right:-1px; border-top-width:2px; border-right-width:2px; }
.frame-corner.bl{ bottom:-1px; left:-1px; border-bottom-width:2px; border-left-width:2px; }
.frame-corner.br{ bottom:-1px; right:-1px; border-bottom-width:2px; border-right-width:2px; }

/* ---------- SECÇÕES ---------- */
.section{ padding:96px 0; }
.section-alt{ background:var(--paper-2); }
.section-dark{ background:var(--ink); color:var(--text-invert); }
#clientes{ border-bottom:1px solid var(--line-dark); }
.section-dark p{ color:var(--text-invert-soft); }
.section-dark h2{ color:var(--text-invert); }
.section-head{ max-width:760px; margin-bottom:52px; }

/* ---------- QUEM SOMOS ---------- */
.about-grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:64px; align-items:start; }
.lead{ font-size:1.12rem; color:var(--text); }
.stat-row{ display:flex; gap:36px; margin-top:34px; padding-top:28px; border-top:1px solid var(--line); flex-wrap:wrap; }
.stat-row dt{ font-family:var(--ff-display); font-size:1.5rem; font-weight:600; }
.stat-row dd{ margin:2px 0 0; font-size:.82rem; color:var(--text-soft); }

.pillar-list{ list-style:none; margin:0; padding:0; display:grid; gap:2px; background:var(--line); border:1px solid var(--line); }
.pillar-list li{ background:var(--paper); padding:22px 24px; display:flex; align-items:center; gap:16px; }
.pillar-icon svg{ width:30px; height:30px; fill:none; stroke:var(--accent-ink); stroke-width:2; flex-shrink:0; }
.pillar-icon-green svg{ stroke:var(--green); }
.pillar-list h3{ margin:0; font-size:.98rem; }

/* ---------- SERVIÇOS ---------- */
.services-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.service-card{ background:var(--paper-2); padding:36px; position:relative; }
.section-alt .service-card{ background:#FBFBFA; }
.service-num{ display:block; color:var(--accent-ink); opacity:.55; font-size:.8rem; margin-bottom:18px; }
.service-tag{ font-weight:600; color:var(--text); }

/* ---------- OBRAS / PORTFÓLIO ---------- */
.filters{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:40px; }
.filter-btn{
  font-family:var(--ff-body); font-size:.85rem; font-weight:600;
  padding:9px 16px; border-radius:2px; border:1.5px solid var(--line);
  background:transparent; color:var(--text-soft); cursor:pointer;
  transition:all .2s ease;
}
.filter-btn:hover{ border-color:var(--accent); color:var(--text); }
.filter-btn.is-active{ background:var(--ink); border-color:var(--ink); color:var(--text-invert); }

.obras-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.obra-card{
  background:#fff; border:1px solid var(--line); border-radius:2px; overflow:hidden;
  cursor:pointer; transition:box-shadow .25s ease, transform .25s ease;
  display:flex; flex-direction:column;
}
.obra-card:hover{ box-shadow:var(--shadow); transform:translateY(-3px); }
.obra-thumb{ position:relative; aspect-ratio:4/3; overflow:hidden; background:var(--paper-2); }
.obra-thumb img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .4s ease; }
.obra-card:hover .obra-thumb img{ transform:scale(1.05); }
.obra-count{
  position:absolute; right:10px; bottom:10px;
  background:rgba(11,27,38,0.82); color:var(--text-invert);
  font-size:.72rem; padding:4px 9px; border-radius:2px; display:flex; align-items:center; gap:6px;
}
.obra-body{ padding:18px 20px 22px; display:flex; flex-direction:column; gap:8px; flex:1; }
.obra-body h3{ margin:0; font-size:1.02rem; }
.obra-tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:auto; }
.obra-tags span{ font-size:.68rem; color:var(--text-soft); border:1px solid var(--line); padding:3px 8px; border-radius:2px; }

.obras-empty{ text-align:center; padding:60px 0; color:var(--text-soft); grid-column:1/-1; }

/* ---------- OS NOSSOS CLIENTES ---------- */
.clients-grid{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
  background:var(--line-dark); border:1px solid var(--line-dark);
}
.client-badge{
  background:var(--ink); padding:32px 20px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px;
  text-align:center; min-height:110px;
}
.client-name{
  font-family:var(--ff-display); font-weight:600; font-size:1.15rem; color:var(--text-invert);
  letter-spacing:.01em;
}
.client-mark{ display:flex; align-items:center; justify-content:center; gap:10px; }
.client-icon{ width:34px; height:25px; fill:var(--text-invert); flex-shrink:0; }
.client-name-iberwind{
  font-family:"Quicksand", var(--ff-display), sans-serif;
  font-weight:700; font-size:1.3rem; letter-spacing:0;
}
.client-mark-stacked{ flex-direction:column; gap:6px; }
.client-arc{ width:100px; height:22px; overflow:visible; }
.client-arc path{ stroke:var(--text-invert); }
.client-name-ferrostaal{ font-weight:700; }
.client-icon-galp{ width:30px; height:30px; }
.client-icon-galp rect{ fill:var(--text-invert); }
.client-icon-galp path{ stroke:var(--ink); fill:none; }
.client-name-galp{ text-transform:lowercase; font-weight:500; }
.client-name-exus{ font-weight:700; text-transform:lowercase; }
.client-name-exus .exus-x{
  text-transform:uppercase; font-size:1.35em; line-height:1; vertical-align:-0.06em;
}
.client-icon-edp{ width:32px; height:32px; }
.client-icon-edp circle{ stroke:var(--text-invert); fill:none; }
.client-icon-edp circle:last-child{ fill:var(--text-invert); stroke:none; }
.client-name-edp{ text-transform:lowercase; font-family:"Quicksand", var(--ff-display), sans-serif; font-weight:700; font-size:1.3rem; }
.client-tag{
  font-family:var(--ff-mono); font-size:.66rem; color:var(--text-invert-soft);
  text-transform:uppercase; letter-spacing:.06em;
}

/* Cartão de obra em destaque (ex: obra "em curso") */
.obra-card-featured{
  grid-column: span 2;
  border-color: var(--status);
  box-shadow: 0 0 0 2px var(--status) inset;
}
.obra-card-featured .obra-thumb{ aspect-ratio: 21/9; }
.obra-status{
  position:absolute; left:12px; top:12px;
  background:var(--status); color:#241A00;
  font-family:var(--ff-mono); font-size:.72rem; font-weight:600;
  text-transform:uppercase; letter-spacing:.05em;
  padding:5px 11px; border-radius:2px;
}

/* Lightbox */
.lightbox{
  position:fixed; inset:0; z-index:200; background:rgba(6,14,20,0.94);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition:opacity .25s ease, visibility 0s linear .25s;
}
.lightbox.is-open{ opacity:1; visibility:visible; transition:opacity .25s ease; }
.lightbox-content{ max-width:min(90vw, 1000px); text-align:center; }
.lightbox-content img{ max-width:100%; max-height:74vh; border-radius:2px; box-shadow:0 30px 60px rgba(0,0,0,0.5); }
.lightbox-caption{ display:flex; justify-content:space-between; color:var(--text-invert-soft); margin-top:14px; font-size:.85rem; }
.lightbox-close{ position:absolute; top:22px; right:26px; background:none; border:none; color:var(--text-invert); font-size:2rem; line-height:1; cursor:pointer; }
.lightbox-nav{
  position:absolute; top:50%; transform:translateY(-50%);
  background:rgba(255,255,255,0.08); border:1px solid var(--line-dark); color:var(--text-invert);
  width:46px; height:46px; border-radius:50%; font-size:1.6rem; cursor:pointer;
}
.lightbox-nav:hover{ background:rgba(255,255,255,0.18); }
.lightbox-prev{ left:24px; } .lightbox-next{ right:24px; }

/* ---------- RECRUTAMENTO ---------- */
.recrutamento-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:start; }
.check-list{ list-style:none; margin:22px 0; padding:0; display:grid; gap:12px; }
.check-list li{ position:relative; padding-left:26px; color:var(--text-invert-soft); }
.check-list li::before{ content:"⚡"; position:absolute; left:0; color:var(--accent); }

/* ---------- FORMULÁRIOS ---------- */
.card-form{
  background:var(--paper); color:var(--text); border-radius:2px; padding:32px;
  box-shadow:var(--shadow); display:flex; flex-direction:column; gap:16px;
}
.card-form h3{ margin-bottom:4px; }
.card-form label{ display:flex; flex-direction:column; gap:6px; font-size:.85rem; font-weight:600; color:var(--text-soft); }
.card-form input, .card-form select, .card-form textarea{
  font-family:var(--ff-body); font-size:.95rem; padding:11px 12px;
  border:1.5px solid var(--line); border-radius:2px; background:#fff; color:var(--text);
}
.card-form input:focus, .card-form select:focus, .card-form textarea:focus{
  outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent);
}
.form-note{ font-size:.76rem; color:var(--text-soft); margin:0; }
.form-status{ font-size:.85rem; font-weight:600; margin:0; min-height:1.2em; }
.form-status.is-success{ color:#1e7a3c; }
.form-status.is-error{ color:#b3261e; }

/* ---------- CONTACTOS ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.contact-single{ max-width:760px; }
.contact-single .map-frame iframe{ height:340px; }
.contact-list{ list-style:none; margin:26px 0 30px; padding:0; display:grid; gap:18px; }
.contact-list li{ display:flex; flex-direction:column; gap:4px; padding-bottom:16px; border-bottom:1px solid var(--line); }
.contact-list .mono{ font-size:.68rem; color:var(--text-soft); }
.contact-list a{ text-decoration:none; font-weight:600; font-size:1.05rem; }
.contact-list a:hover{ color:var(--accent-ink); }
.map-frame{ border-radius:2px; overflow:hidden; border:1px solid var(--line); }
.map-frame iframe{ width:100%; height:280px; border:0; display:block; }

/* ---------- RODAPÉ ---------- */
.site-footer{ background:var(--ink); color:var(--text-invert-soft); padding:56px 0 0; }
.footer-inner{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:36px; border-bottom:1px solid var(--line-dark); }
.footer-inner strong{ color:var(--text-invert); font-family:var(--ff-display); }
.footer-inner p{ color:var(--text-invert-soft); font-size:.85rem; margin:6px 0 0; }
.footer-nav{ display:flex; gap:22px; flex-wrap:wrap; align-self:start; }
.footer-nav a{ color:var(--text-invert-soft); text-decoration:none; font-size:.88rem; }
.footer-nav a:hover{ color:var(--text-invert); }
.footer-bottom{ padding:20px 28px; font-size:.75rem; text-align:center; color:var(--text-invert-soft); }

/* ---------- SCROLL REVEAL ---------- */
[data-reveal]{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }

/* ---------- RESPONSIVO ---------- */
@media (max-width: 980px){
  .about-grid, .recrutamento-grid, .contact-grid{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:1fr; }
  .obras-grid{ grid-template-columns:repeat(2,1fr); }
  .clients-grid{ grid-template-columns:repeat(2,1fr); }
  .hero-inner{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:220px; margin:0 auto; }
}
@media (max-width: 760px){
  .nav-toggle{ display:flex; }
  .header-right{ gap:14px; }
  .nav{
    position:absolute; top:76px; left:0; right:0;
    background:var(--ink); flex-direction:column; align-items:flex-start;
    padding:14px 28px 26px; gap:16px;
    display:none;
    border-bottom:1px solid var(--line-dark);
  }
  .nav.is-open{ display:flex; }
  .obras-grid{ grid-template-columns:1fr; }
  .section{ padding:64px 0; }
  .hero{ padding:56px 0 64px; }
}