/* Site institucional City Metal — folha única de todas as páginas.
   Identidade do brandbook: preto grafite, aço escovado e vermelho City Metal. */

:root{
  --bg:#0b0d10; --surface:#13161a; --surface-2:#1b1f24; --line:#2a2f36;
  --text:#eef1f4; --text-2:#aeb7c1; --text-3:#7f8a95;
  --red:#e1161f; --red-escuro:#a80d14; --aco:linear-gradient(180deg,#f4f6f8 0%,#b9c0c7 55%,#8d959d 100%);
  --titulo:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --corpo:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --raio:6px; --largura:1180px; --gutter:clamp(16px,4vw,32px);
}
*{box-sizing:border-box}
/* hidden sempre vence: botões de WhatsApp sem número configurado não podem aparecer. */
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--corpo);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.pular{position:absolute;left:-999px;top:8px;background:var(--red);color:#fff;padding:8px 14px;z-index:100}
.pular:focus{left:8px}
.contem{max-width:var(--largura);margin:0 auto;padding-inline:var(--gutter)}
h1,h2,h3{font-family:var(--titulo);font-weight:700;line-height:1.05;letter-spacing:.01em;margin:0 0 .5em;text-transform:uppercase}
h1{font-size:clamp(2.4rem,6vw,4.4rem)}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:1.45rem}
p{margin:0 0 1em}
.sobre-titulo{font-family:var(--titulo);font-size:.95rem;letter-spacing:.28em;text-transform:uppercase;color:var(--red);font-weight:600;margin-bottom:.8em;display:flex;align-items:center;gap:12px}
.sobre-titulo::before{content:"";width:28px;height:2px;background:var(--red);flex:none}
@media (max-width:640px){.sobre-titulo{letter-spacing:.16em;font-size:.85rem}}
.lead{font-size:clamp(1.05rem,1.8vw,1.25rem);color:var(--text-2);max-width:62ch}
.texto-2{color:var(--text-2)}

/* Topo */
.topo{position:sticky;top:0;z-index:50;background:rgba(11,13,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topo .contem{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.marca img{width:150px}
.menu{display:flex;align-items:center;gap:4px}
.menu a{text-decoration:none;font-family:var(--titulo);text-transform:uppercase;letter-spacing:.08em;font-size:1rem;font-weight:600;color:var(--text-2);padding:10px 12px;border-radius:var(--raio)}
.menu a:hover,.menu a[aria-current="page"]{color:var(--text)}
.menu a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--red)}
.menu .btn{margin-left:8px;color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:var(--raio);width:46px;height:46px;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:currentColor;margin:4px auto;transition:transform .2s}
@media (max-width:980px){
  .menu-btn{display:block}
  .menu{position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:12px var(--gutter) 20px;gap:0;display:none;max-height:calc(100vh - 72px);overflow:auto}
  .menu.aberto{display:flex}
  .menu a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:1.15rem}
  .menu a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--red);padding-left:12px}
  .menu .btn{margin:16px 0 0;text-align:center}
}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border-radius:var(--raio);font-family:var(--titulo);font-weight:700;font-size:1.05rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn-pri{background:var(--red);color:#fff}
.btn-pri:hover{background:var(--red-escuro)}
.btn-sec{background:transparent;color:var(--text);border-color:#4a525b}
.btn-sec:hover{border-color:var(--text)}
.btn-whats{background:#1f8f4e;color:#fff}
.btn-whats:hover{background:#18763f}
.btn svg{width:20px;height:20px;flex:none}
.acoes{display:flex;flex-wrap:wrap;gap:12px}

/* Hero */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
.hero picture,.hero>img{position:absolute;inset:0}
.hero picture img,.hero>img{width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,16,.94) 0%,rgba(11,13,16,.72) 45%,rgba(11,13,16,.15) 100%),linear-gradient(0deg,rgba(11,13,16,.9) 0%,transparent 45%)}
.hero .contem{position:relative;z-index:1;padding-block:clamp(64px,12vh,120px);width:100%}
.hero h1{max-width:14ch;background:var(--aco);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 em{font-style:normal;color:var(--red);-webkit-text-fill-color:var(--red)}
.hero .lead{margin-bottom:28px}
.hero-curto{min-height:min(56vh,480px)}
.hero-curto h1{max-width:20ch}

/* Seções */
.secao{padding-block:clamp(64px,10vw,112px)}
.secao-alt{background:var(--surface);border-block:1px solid var(--line)}
.cabeca{max-width:760px;margin-bottom:clamp(32px,5vw,56px)}
.grade{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.grade-2{display:grid;gap:clamp(28px,5vw,64px);grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));align-items:center}

.card{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--raio);overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.card:hover{border-color:#4a525b}
a.card{text-decoration:none}
a.card:hover{transform:translateY(-3px)}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-corpo{padding:22px 22px 26px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-corpo p{color:var(--text-2);margin:0}
.card .mais{margin-top:auto;padding-top:14px;font-family:var(--titulo);text-transform:uppercase;letter-spacing:.12em;font-weight:700;color:var(--red);font-size:.95rem}
.card-num{font-family:var(--titulo);color:var(--red);font-weight:700;letter-spacing:.2em;font-size:.9rem}

.foto{border-radius:var(--raio);overflow:hidden;border:1px solid var(--line)}
.foto img{width:100%;aspect-ratio:4/3;object-fit:cover}
.foto-larga img{aspect-ratio:16/9}

.lista{list-style:none;padding:0;margin:0 0 1.5em;display:grid;gap:10px}
.lista li{padding-left:28px;position:relative;color:var(--text-2)}
.lista li::before{content:"";position:absolute;left:0;top:.62em;width:14px;height:2px;background:var(--red)}

/* Etapas do processo */
.etapas{list-style:none;margin:0;padding:0;display:grid;gap:2px;grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),1fr));counter-reset:etapa}
.etapas li{counter-increment:etapa;background:var(--surface-2);border:1px solid var(--line);padding:22px 18px;position:relative}
.etapas li::before{content:counter(etapa,decimal-leading-zero);display:block;font-family:var(--titulo);font-weight:700;color:var(--red);letter-spacing:.2em;margin-bottom:8px}
.etapas strong{display:block;font-family:var(--titulo);text-transform:uppercase;font-size:1.3rem;letter-spacing:.04em}
.etapas span{color:var(--text-2);font-size:.95rem}

/* Faixa de chamada */
.cta-faixa{background:linear-gradient(120deg,#1a0406 0%,#13161a 60%);border-block:1px solid var(--line)}
.cta-faixa .contem{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding-block:clamp(48px,7vw,80px)}
.cta-faixa h2{margin:0;max-width:22ch}

/* Portfólio */
.filtros{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filtros button{background:transparent;color:var(--text-2);border:1px solid var(--line);border-radius:999px;padding:10px 18px;min-height:44px;font:600 .95rem var(--corpo);cursor:pointer}
.filtros button[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:#fff}
.galeria{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.galeria figure{margin:0;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--raio);overflow:hidden}
.galeria img{aspect-ratio:4/3;object-fit:cover;width:100%}
.galeria figcaption{padding:12px 16px;color:var(--text-2);font-size:.95rem}

/* FAQ */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--raio)}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--red);font-size:1.6rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 18px;margin:0;color:var(--text-2)}

/* Formulário */
.form{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
.form .inteiro{grid-column:1/-1}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.campo label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}
.campo label small{color:var(--text-3);font-weight:400}
.campo input,.campo select,.campo textarea{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--raio);padding:12px 14px;min-height:48px}
.campo textarea{min-height:140px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(225,22,31,.25)}
.campo [aria-invalid="true"]{border-color:#ff6b6b}
.isca{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.aviso-form{grid-column:1/-1;margin:0;padding:14px 16px;border-radius:var(--raio);border:1px solid var(--line)}
.aviso-form.ok{border-color:#2e7d4f;background:rgba(46,125,79,.14)}
.aviso-form.erro{border-color:#b3261e;background:rgba(179,38,30,.14)}
.painel-lateral{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--raio);padding:28px}
.layout-form{display:grid;gap:clamp(28px,4vw,48px);grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:start}
@media (max-width:900px){.layout-form{grid-template-columns:1fr}}

/* Contato */
.contatos{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.contatos li{display:flex;gap:14px;align-items:flex-start}
.contatos strong{display:block;font-family:var(--titulo);text-transform:uppercase;letter-spacing:.08em}
.contatos span,.contatos a{color:var(--text-2)}

/* Rodapé */
.rodape{border-top:1px solid var(--line);background:#08090b;padding-block:56px 32px;color:var(--text-2);font-size:.95rem}
.rodape-grade{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));margin-bottom:40px}
.rodape img{width:170px;margin-bottom:14px}
.rodape h2{font-size:1.1rem;letter-spacing:.16em;color:var(--text);margin-bottom:14px}
.rodape ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.rodape a{text-decoration:none}
.rodape a:hover{color:var(--text)}
.rodape-base{border-top:1px solid var(--line);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.88rem;color:var(--text-3)}

/* WhatsApp fixo */
.whats-fixo{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#1f8f4e;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.whats-fixo svg{width:30px;height:30px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}