/* ===========================================================
   WZ Montagens — Painéis Elétricos de Baixa Tensão
   Paleta: preto / grafite / prata metálica / branco
   =========================================================== */

:root{
  --ink:#0e0f12;          /* preto base */
  --graphite:#1a1c21;     /* grafite */
  --steel:#2f323a;        /* aço escuro */
  --silver:#9a9da3;       /* prata */
  --silver-light:#cfd2d8; /* prata clara */
  --line:#e2e4e8;
  --bg:#ffffff;
  --bg-soft:#f5f6f8;
  --muted:#5b5e66;
  --accent:#c9a14a;       /* dourado discreto p/ detalhes premium */
  --accent-2:#3b82f6;     /* azul técnico (links/CTAs secundários) */
  --ok:#16a34a;
  --radius:14px;
  --shadow-sm:0 1px 3px rgba(14,15,18,.08);
  --shadow:0 10px 30px rgba(14,15,18,.12);
  --shadow-lg:0 24px 60px rgba(14,15,18,.22);
  --maxw:1180px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Montserrat',var(--font);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;max-width:100%;
}
img,svg,video{max-width:100%}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);line-height:1.15;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--display);font-weight:600;font-size:.95rem;
  padding:.85em 1.5em;border-radius:10px;border:1.5px solid transparent;
  cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--steel);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--silver)}
.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--silver-light)}
.btn-wa{background:#25D366;color:#073d24}
.btn-wa:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ---------- Section helpers ---------- */
section{padding:88px 0}
.eyebrow{
  font-family:var(--display);font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  font-size:.78rem;color:var(--silver);margin-bottom:.8em;display:inline-block;
}
.eyebrow::before{content:"";display:inline-block;width:28px;height:2px;background:var(--accent);
  vertical-align:middle;margin-right:10px;}
.section-title{font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:18ch}
.section-lead{font-size:1.08rem;color:var(--muted);max-width:60ch}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.2s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{height:48px;width:48px;flex:none}
.wordmark{display:flex;flex-direction:column;justify-content:center;line-height:1}
.wordmark .wz{font-family:'Playfair Display',Georgia,serif;font-weight:800;font-size:1.75rem;
  letter-spacing:1px;color:var(--ink)}
.wordmark .wz .z{background:linear-gradient(180deg,#cfd2d8,#6b6f77);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.wordmark .sub{font-family:'Cinzel',Georgia,serif;font-weight:600;font-size:.6rem;
  letter-spacing:.4em;color:var(--steel);margin-top:4px;padding-left:2px}
.wordmark .sub .t{color:var(--silver)}
/* light variant (footer) */
.brand--light .wordmark .wz{color:#fff}
.brand--light .wordmark .sub{color:#cfd2d8}
.brand--light .mark{filter:brightness(1.4)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-family:var(--display);font-weight:600;font-size:.93rem;color:var(--steel);position:relative}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--accent);transition:.2s}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(1200px 600px at 80% -10%,#2b2e35 0%,transparent 60%),
             linear-gradient(135deg,#0e0f12 0%,#1a1c21 55%,#23262c 100%);
  padding:96px 0 80px;
}
.hero::after{content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);
  background-size:40px 40px;}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);color:#fff;letter-spacing:-.5px}
.hero h1 .hl{background:linear-gradient(90deg,#e9e9ec,#9a9da3);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:1.15rem;color:#c9ccd2;max-width:52ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:38px}
.hero-badge{font-family:var(--display);font-size:.85rem;color:#aeb3bb;display:flex;align-items:center;gap:8px}
.hero-badge svg{width:18px;height:18px;stroke:var(--accent)}
.hero-visual{position:relative}
.hero-visual img{border-radius:16px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08)}
.hero-tag{
  position:absolute;left:-18px;bottom:24px;background:#fff;color:var(--ink);
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow);font-family:var(--display);
  display:flex;align-items:center;gap:12px;
}
.hero-tag b{font-size:1.4rem;display:block;line-height:1}
.hero-tag small{color:var(--muted);font-size:.78rem;font-weight:600}

/* ---------- Trust strip ---------- */
.trust{background:var(--ink);color:#cfd2d8;padding:22px 0;border-top:1px solid rgba(255,255,255,.06)}
.trust .wrap{display:flex;gap:40px;flex-wrap:wrap;justify-content:center;align-items:center}
.trust span{font-family:var(--display);font-weight:600;font-size:.9rem;letter-spacing:.04em;display:flex;align-items:center;gap:10px}
.trust span svg{width:20px;height:20px;stroke:var(--accent)}

/* ---------- Stats ---------- */
.stats{background:var(--bg-soft)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-family:var(--display);font-weight:800;font-size:clamp(2rem,4vw,2.8rem);
  background:linear-gradient(180deg,var(--ink),var(--silver));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-weight:600;font-size:.95rem}

/* ---------- About ---------- */
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about ul{list-style:none;padding:0;margin:18px 0 0}
.about li{display:flex;gap:14px;margin-bottom:16px;align-items:flex-start}
.about li svg{flex:none;width:24px;height:24px;stroke:var(--ok);margin-top:2px}
.about-visual{background:linear-gradient(135deg,#1a1c21,#2f323a);border-radius:var(--radius);
  padding:34px;color:#fff;box-shadow:var(--shadow)}
.about-visual h3{color:#fff}
.about-quote{font-family:var(--display);font-size:1.25rem;line-height:1.5;color:#e9e9ec;font-weight:600}
.about-quote::before{content:"“";font-size:3rem;color:var(--accent);line-height:0;display:block;margin-bottom:.2em}

/* ---------- Products ---------- */
.products{background:#fff}
.cards{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;margin-top:44px}
.cards .card{flex:1 1 300px;max-width:362px}
.card{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;
  transition:.2s;position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--steel),var(--silver));transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{width:100%}
.card .ico{width:54px;height:54px;border-radius:12px;display:grid;place-items:center;
  background:var(--bg-soft);margin-bottom:18px}
.card .ico svg{width:30px;height:30px;stroke:var(--steel);fill:none;stroke-width:1.6}
.card h3{font-size:1.18rem}
.card p{color:var(--muted);font-size:.96rem;margin-bottom:0}
.card .tag{display:inline-block;margin-top:14px;font-family:var(--display);font-size:.78rem;
  font-weight:600;color:var(--steel);background:var(--bg-soft);padding:4px 10px;border-radius:20px}

/* ---------- Services ---------- */
.services{background:var(--graphite);color:#fff}
.services .section-lead{color:#aeb3bb}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:44px;
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);overflow:hidden}
.svc{padding:34px;border-right:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);transition:.2s}
.svc:hover{background:rgba(255,255,255,.04)}
.svc .n{font-family:var(--display);font-weight:800;font-size:1.1rem;color:var(--silver)}
.svc h3{color:#fff;margin-top:8px}
.svc p{color:#aeb3bb;margin-bottom:0;font-size:.96rem}

/* ---------- Process ---------- */
.process{background:#fff}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;position:relative}
.step{text-align:center;padding:0 8px}
.step .dot{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;
  background:var(--ink);color:#fff;font-family:var(--display);font-weight:800;font-size:1.4rem;
  box-shadow:0 0 0 6px var(--bg-soft)}
.step h3{font-size:1.05rem}
.step p{color:var(--muted);font-size:.92rem}

/* ---------- Standards ---------- */
.standards{background:var(--bg-soft)}
.norm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.norm{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;gap:16px;align-items:flex-start}
.norm svg{flex:none;width:34px;height:34px;stroke:var(--accent);fill:none;stroke-width:1.6}
.norm b{font-family:var(--display);display:block;margin-bottom:4px}
.norm small{color:var(--muted)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,#0e0f12,#2f323a);color:#fff;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.4rem)}
.cta-band p{color:#c9ccd2;max-width:50ch;margin:0 auto 28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Contact ---------- */
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info .item{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start}
.contact-info .item svg{flex:none;width:24px;height:24px;stroke:var(--steel)}
.contact-info b{font-family:var(--display);display:block}
.contact-info .item a,.contact-info .item span{color:var(--muted)}
.pending{display:inline-block;font-size:.72rem;font-weight:700;color:#92400e;background:#fde68a;
  border-radius:6px;padding:2px 8px;margin-left:6px;font-family:var(--display);vertical-align:middle}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{font-family:var(--display);font-weight:600;font-size:.88rem;display:block;margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:.8em 1em;border:1.5px solid var(--line);border-radius:10px;
  font-family:var(--font);font-size:.95rem;transition:.15s;background:#fff;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(47,50,58,.1)}
.field textarea{resize:vertical;min-height:110px}
.form-note{font-size:.82rem;color:var(--muted);margin:4px 0 0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#9aa0a8;padding:64px 0 28px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:36px;margin-bottom:40px}
.site-footer .fbrand img{height:52px;margin-bottom:16px;filter:brightness(0) invert(1)}
.site-footer h4{color:#fff;font-size:.95rem;letter-spacing:.04em;margin-bottom:16px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;background:#25D366;color:#fff;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);
  transition:.2s;animation:pulse 2.4s infinite}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
}

/* ---------- Intro / splash da logo ---------- */
#intro{
  position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 120% at 50% 40%,#ffffff 0%,#eef0f3 60%,#dfe2e7 100%);
  animation:introOut .8s ease 1.9s forwards;
}
html.no-intro #intro{display:none}
.intro-logo{
  position:relative;width:min(74vw,440px);overflow:hidden;
  opacity:0;transform:scale(.9);filter:blur(8px);
  animation:introIn 1s cubic-bezier(.2,.7,.2,1) .15s forwards;
}
.intro-logo img{display:block;width:100%;height:auto}
.intro-logo::after{
  content:"";position:absolute;top:-10%;left:-70%;width:45%;height:120%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.9),transparent);
  transform:skewX(-18deg);animation:introShine 1.2s ease .85s 1;
}
@keyframes introIn{to{opacity:1;transform:scale(1);filter:blur(0)}}
@keyframes introShine{from{left:-70%}to{left:130%}}
@keyframes introOut{to{opacity:0;visibility:hidden}}
@media(prefers-reduced-motion:reduce){
  #intro{display:none}
}

/* ---------- Norm pills ---------- */
.pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-start}
.pill{font-family:var(--display);font-weight:600;font-size:.82rem;color:var(--steel);
  background:var(--bg-soft);border:1px solid var(--line);border-radius:30px;padding:8px 16px}

/* ---------- Hero photo ---------- */
.hero-visual .photo{aspect-ratio:1/1;object-fit:cover;width:100%;background:#eef0f3}
.hero-visual img.is-illustration{aspect-ratio:auto;object-fit:contain;background:#0b0c0f}

/* ---------- Mission / Vision / Values ---------- */
.mvv{background:#fff}
.mvv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.mvv-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:var(--bg-soft);transition:.2s}
.mvv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);background:#fff}
.mvv-ico{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--ink);margin-bottom:18px}
.mvv-ico svg{width:30px;height:30px;stroke:var(--silver-light);fill:none}
.mvv-card h3{font-size:1.2rem}
.mvv-card p{color:var(--muted);margin-bottom:0}
.mvv-list{list-style:none;padding:0;margin:0}
.mvv-list li{position:relative;padding-left:18px;margin-bottom:8px;color:var(--muted);font-size:.95rem}
.mvv-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.mvv-list b{color:var(--ink)}

/* ---------- Gallery ---------- */
.gallery{background:var(--bg-soft)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;background:#0b0c0f;box-shadow:var(--shadow-sm);position:relative}
.gallery figure img{width:100%;height:300px;object-fit:cover;display:block;transition:.4s}
.gallery figure.is-illustration img{object-fit:contain;height:300px;background:#0b0c0f}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;
  font-family:var(--display);font-weight:600;font-size:.95rem;
  background:linear-gradient(transparent,rgba(0,0,0,.78))}

/* ---------- Footer credits ---------- */
.footer-credits{border-top:1px solid rgba(255,255,255,.08);padding-top:18px;margin-top:8px;
  font-size:.78rem;color:#6b7078;line-height:1.6}
.footer-credits a{color:#9aa0a8;text-decoration:underline}
.footer-credits a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .about .wrap,.contact .wrap{grid-template-columns:1fr}
  .cards,.norm-grid,.steps,.mvv-grid,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  section{padding:56px 0}
  .wrap{padding:0 18px}
  .nav{height:64px}
  .site-header{}
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;
    background:#fff;padding:18px 22px;border-bottom:1px solid var(--line);gap:6px;box-shadow:var(--shadow)}
  .nav-links.open a{padding:12px 4px;font-size:1.05rem;border-bottom:1px solid var(--bg-soft)}
  .cards,.svc-grid,.norm-grid,.steps,.stats-grid,.form-row,.footer-grid,.mvv-grid,.gallery-grid{grid-template-columns:1fr}
  .svc{border-right:0}
  .hero-tag{position:static;margin-top:18px;display:inline-flex}

  /* hero */
  .hero{padding:48px 0 52px}
  .hero h1{font-size:2.05rem;line-height:1.12}
  .hero p{font-size:1.05rem}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}

  /* tipografia / espaços */
  .section-title{font-size:1.6rem}
  .eyebrow{font-size:.72rem}
  .about .wrap{gap:28px}
  .about-visual{padding:26px}
  .pills{justify-content:center}

  /* galeria */
  .gallery figure img{height:230px}
  .gallery figcaption{font-size:.9rem;padding:12px 14px}

  /* serviços */
  .svc{padding:24px}

  /* contato */
  form{padding:22px}
  .contact .wrap{gap:32px}

  /* botões com bom alvo de toque */
  .btn{padding:.95em 1.4em}
  .footer-bottom{flex-direction:column;gap:8px;text-align:left}
}

@media(max-width:380px){
  .hero h1{font-size:1.8rem}
  .wordmark .wz{font-size:1.5rem}
  .wordmark .sub{font-size:.52rem;letter-spacing:.34em}
}