:root{
  --azul:#4fc3f7;--azul-esc:#0a6f9c;--grafite:#212121;--gelo:#f7f7f7;
  --titulo:"Oswald","Field Gothic","Arial Narrow",Impact,sans-serif;
  --texto:"Montserrat",system-ui,sans-serif;
  --circ-branco:url(/img/circuito-branco.png);
  --circ-azul:url(/img/circuito-azul.png);
  --circ-preto:url(/img/circuito-preto.png);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--texto);color:var(--grafite);background:var(--gelo);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--grafite);outline-offset:3px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
h1,h2,h3{font-family:var(--titulo);font-weight:600;line-height:1.2;text-transform:uppercase;letter-spacing:.01em}

/* Cabeçalho */
header{position:sticky;top:0;z-index:20;background:var(--gelo);border-bottom:3px solid var(--azul)}
header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
header .logo img{height:58px;width:auto}
nav{display:flex;gap:28px;font-weight:600;font-size:.95rem}
nav a{white-space:nowrap;text-decoration:none;padding:6px 0;border-bottom:3px solid transparent}
nav a:hover,nav a[aria-current="page"]{border-color:var(--azul)}
.btn{display:inline-block;font-weight:700;text-decoration:none;padding:14px 26px;background:var(--grafite);color:var(--gelo);border:3px solid var(--grafite);transition:background .2s,color .2s}
.btn:hover{background:var(--gelo);color:var(--grafite)}
.btn.claro{background:var(--gelo);color:var(--grafite)}
.btn.claro:hover{background:var(--grafite);color:var(--gelo)}

/* Topo e seções com circuito alinhado */
.hero{position:relative;background:var(--azul) var(--circ-branco) 0 100%/760px;overflow:hidden}
.sec-circ{position:relative;background:var(--gelo) var(--circ-azul) 0 0/760px}
.hero>*,.sec-circ>.wrap{position:relative;z-index:1}
.hero>.ctrl{position:absolute}
.hero>.pulsos,.sec-circ>.pulsos{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.pulsos svg{position:absolute;width:760px;height:760px;overflow:visible}

/* Carrossel */
.slides{display:grid}
.slide{grid-area:1/1;display:flex;padding:88px 0 120px;opacity:0;visibility:hidden;transition:opacity .6s}
.slide.ativo{opacity:1;visibility:visible}
.slide .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.txt{align-self:stretch;display:flex;flex-direction:column;align-items:flex-start}
.txt h1,.txt h2{font-size:clamp(2.3rem,5.4vw,4.4rem);max-width:15ch;min-height:3.5em;line-height:1.12;transform:skewY(-3deg);transform-origin:left}
.txt p{font-size:1.1rem;font-weight:600;max-width:46ch;margin:24px 0 28px;min-height:4.8em}
.txt .btn{margin-top:auto}
.arte{width:min(360px,100%);aspect-ratio:1;justify-self:center;border-radius:50%;background:var(--gelo);border:6px solid var(--grafite);box-shadow:10px 10px 0 var(--grafite);display:grid;place-items:center;padding:9%}
.arte svg{width:100%;height:auto}
.ctrl{bottom:34px;left:0;right:0;z-index:2}
.ctrl .wrap{display:flex;gap:10px;align-items:center}
.ctrl button{width:44px;height:44px;border:3px solid var(--grafite);background:var(--gelo);font:700 1.2rem var(--texto);cursor:pointer}
.ctrl button:hover{background:var(--grafite);color:var(--gelo)}
.pontos{display:flex;gap:8px;margin-left:14px}
.pontos button{width:34px;height:12px;padding:0;border-width:2px}
.pontos button[aria-current="true"]{background:var(--grafite)}

/* Topo das páginas internas */
.banner{padding:72px 0 88px}
.banner h1{line-height:1.15;font-size:clamp(2.6rem,6vw,4.8rem);transform:skewY(-3deg);transform-origin:left}
.banner p{font-size:1.1rem;font-weight:600;max-width:52ch;margin-top:20px}
.pill{display:inline-block;background:var(--grafite);color:var(--gelo);font-weight:700;font-size:.85rem;padding:4px 14px;margin-bottom:16px}

/* Seções */
section{padding:88px 0}
.titulo{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:12px}
.sub{max-width:60ch;margin-bottom:48px;font-weight:600}
.lista{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.servico{background:var(--gelo);border:3px solid var(--grafite);padding:28px;display:flex;flex-direction:column}
.servico h3{font-size:1.6rem;margin-bottom:10px}
.servico p{font-size:1rem;font-weight:600}
.servico p:not(.valor){margin-bottom:18px}
.valor{margin-top:auto;padding-top:14px;border-top:3px solid var(--azul);font-weight:700;font-size:.9rem}
.mais{margin-top:40px}
.novo{background:var(--grafite);color:var(--gelo);padding:56px 0}
.novo .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.novo h2{font-size:clamp(1.8rem,4vw,2.8rem);color:var(--azul)}
.novo p{max-width:56ch;margin-top:8px;font-weight:600}
.duas{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.duas p{font-weight:600}.duas p+p{margin-top:14px}
.duas img,.galeria img{width:100%;aspect-ratio:4/3;object-fit:cover;border:3px solid var(--grafite)}
.galeria{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.galeria figure{margin:0}.galeria figcaption{font-size:.9rem;font-weight:600;margin-top:8px}
.vazio{aspect-ratio:4/3;border:3px dashed var(--grafite);display:grid;place-items:center;text-align:center;padding:16px;font-weight:600;background:rgba(247,247,247,.85)}
#contato,.escuro{background:var(--grafite) var(--circ-preto) center/760px;color:var(--gelo)}
.escuro .titulo{color:var(--azul)}
.contatos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin:8px 0 36px}
.contatos div{font-weight:600}.contatos strong{display:block;font-family:var(--titulo);font-size:1.3rem;text-transform:uppercase;color:var(--azul)}
footer{background:var(--grafite);color:var(--gelo);padding:28px 0;font-size:.85rem;border-top:3px solid var(--azul)}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
footer img{height:44px;width:auto}

@media(max-width:760px){
  header .wrap{flex-wrap:wrap;padding-block:8px}
  header .btn{display:none}
  nav{order:3;width:100%;overflow-x:auto;gap:20px;padding-bottom:4px}
  .slide{padding:56px 0 120px}
  .slide .wrap{grid-template-columns:1fr}
  .arte{width:190px;justify-self:start}
  .txt h1,.txt h2{min-height:0}.txt p{min-height:0}
  .duas{grid-template-columns:1fr}
  section{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){.pulsos{display:none}*{transition:none!important;scroll-behavior:auto!important}}

/* Legibilidade: texto sempre sobre painel sólido */
.cabeca{display:inline-block;max-width:100%;background:var(--gelo);border:3px solid var(--grafite);padding:20px 28px 22px;margin-bottom:40px}
.cabeca .titulo{margin-bottom:6px}.cabeca .sub{margin-bottom:0}
.painel{background:var(--gelo);border:3px solid var(--grafite);padding:32px}
.sec-circ>section{position:relative;z-index:1;background:none}
.sec-circ>section+section{padding-top:0}
.galeria figcaption{padding:8px 12px;background:var(--gelo);border:3px solid var(--grafite);border-top:0;margin-top:0}
.galeria img{display:block}
.vazio{aspect-ratio:4/3;background:var(--gelo);border:3px solid var(--grafite);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:16px;font-weight:600}

/* v5: sem caixas nos textos. Negrito + sombreado (halo) para ler sobre o circuito */
.cabeca,.painel{background:none;border:0;padding:0;display:block;margin-bottom:40px}
.painel{margin-bottom:0}
.cabeca .titulo,.painel .titulo{font-weight:700}
.cabeca .sub,.painel p,.galeria figcaption,.sec-circ .mais{font-weight:700}
.cabeca .titulo,.cabeca .sub,.painel .titulo,.painel p,.galeria figcaption{
  text-shadow:0 0 2px #f7f7f7,0 0 4px #f7f7f7,0 0 8px #f7f7f7,0 0 14px #f7f7f7,0 0 22px #f7f7f7}
.galeria figcaption{background:none;border:0;padding:10px 2px 0;margin-top:0;font-size:.95rem}
.banner h1,.banner p,.txt h1,.txt h2,.txt p{
  text-shadow:0 0 2px #4fc3f7,0 0 4px #4fc3f7,0 0 8px #4fc3f7,0 0 14px #4fc3f7,0 0 22px #4fc3f7}
.banner p,.txt p{font-weight:700}