/* Beta Bozzani – Soluções Inovadoras */
:root{
  --amarelo:#f4a81d;
  --amarelo-btn:#facc30;
  --texto:#111;
  --cinza:#6b6b6b;
  --card:#e2e2e2;
  --rodape:#e1e1e8;
  --escuro:#16181d;
  --marrom:#231f20;
  --icone:#2f2c2c;
  --max:1200px;
  --header:78px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Roboto',Arial,sans-serif;color:var(--texto);background:#fff;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}

/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header)}
.nav .logo img{height:37px;width:auto}
.menu{display:flex;gap:22px;list-style:none;align-items:center}
.menu a{font-size:15px;font-weight:500;color:#222;transition:color .2s}
.menu a:hover{color:#000}
.menu a.ativo{font-weight:700;color:#000}
.dropdown{position:relative}
.dropdown>a::after{content:"";display:inline-block;margin-left:5px;width:5px;height:5px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-3px)}
.sub{position:absolute;top:100%;left:-14px;background:#fff;min-width:230px;list-style:none;padding:8px 0;box-shadow:0 8px 24px rgba(0,0,0,.12);opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s}
.dropdown:hover .sub,.dropdown:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:8px 16px;font-weight:400}
.sub a:hover{background:#f4f4f4}
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:8px;width:24px;height:2px;background:#222;content:"";transition:.25s}
.burger span{top:19px}
.burger span::before{top:-7px;left:0}
.burger span::after{top:7px;left:0}
.aberto .burger span{background:transparent}
.aberto .burger span::before{top:0;transform:rotate(45deg)}
.aberto .burger span::after{top:0;transform:rotate(-45deg)}

/* ===== HERO (home / sobre) ===== */
.hero{min-height:calc(100vh - var(--header));background:var(--amarelo) center/cover no-repeat;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:60px 16px}
.hero .selo{width:min(695px,100%);background:rgba(255,255,255,.72)}
.hero .rdi{width:188px}

/* ===== HOME ===== */
.intro{text-align:center;padding:80px 0 40px}
.intro h1{font-size:clamp(20px,2.4vw,30px);font-weight:500;line-height:1.25}
.servicos{padding:40px 0 70px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{background:var(--card);padding:56px 44px 70px;box-shadow:0 20px 40px rgba(0,0,0,.18);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 28px 50px rgba(0,0,0,.22)}
.card h2{text-align:center;font-size:19px;font-weight:500;margin-bottom:24px}
.card ul{list-style:none}
.card li{color:var(--cinza);font-weight:500;font-size:16px;line-height:1.7;padding-left:16px;text-indent:-16px}
.card li::before{content:"– "}
.video{padding:30px 0 40px}
.video .container{display:grid;grid-template-columns:1fr 2.2fr;gap:40px;align-items:center}
.video .texto{text-align:right;padding-right:20px}
.video h2{font-size:30px;font-weight:700;color:#333;letter-spacing:-.5px;margin-bottom:18px}
.video p{font-size:20px;font-weight:300;color:#444;line-height:1.1;max-width:150px;margin-left:auto}
.player{position:relative;aspect-ratio:16/9;background:#000}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt{display:block;overflow:hidden;cursor:pointer;color:#fff}
.yt>img{width:100%;height:100%;object-fit:cover;transition:filter .3s}
.yt:hover>img{filter:brightness(.88)}
.yt-titulo{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:12px;padding:14px 18px 40px;background:linear-gradient(rgba(0,0,0,.6),transparent);font-family:'Roboto',Arial,sans-serif}
.yt-titulo strong{display:block;font-size:clamp(14px,1.5vw,18px);font-weight:500;line-height:1.2}
.yt-titulo small{display:block;font-size:12px;opacity:.9}
.yt-avatar{width:38px;height:38px;border-radius:50%;object-fit:contain;background:#fff;padding:3px;flex:none}
.yt-play{position:absolute;left:50%;top:50%;width:68px;height:48px;transform:translate(-50%,-50%);transition:transform .2s}
.yt:hover .yt-play{transform:translate(-50%,-50%) scale(1.1)}
.yt-assista{position:absolute;right:16px;bottom:16px;background:rgba(0,0,0,.7);border-radius:20px;padding:7px 14px;font-size:13px;font-weight:500}

/* ===== GRADE DE PROJETOS ===== */
.grade{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:2px}
.grade a{display:block;overflow:hidden;background:#eee;aspect-ratio:16/9}
.grade img{width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .3s}
.grade a:hover img{transform:scale(1.04);filter:brightness(1.05)}
.filtros{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:28px 16px 22px}
.filtros a{padding:8px 18px;border:2px solid #222;border-radius:4px;font-size:14px;font-weight:500;transition:.2s}
.filtros a:hover,.filtros a.ativo{background:#222;color:#fff}

/* ===== PÁGINA DE PROJETO ===== */
.projeto{padding:30px 0 60px}
.projeto .container{display:grid;grid-template-columns:1fr 1.9fr;gap:40px;align-items:start}
.projeto .info{position:sticky;top:calc(var(--header) + 24px)}
.projeto h1{font-size:20px;font-weight:700;line-height:1.3;margin-bottom:28px}
.projeto .local{font-weight:700;font-size:14px;margin-bottom:26px;line-height:1.6}
.projeto .desc p{font-size:13.5px;color:#333;text-align:justify;margin-bottom:12px;line-height:1.55}
.projeto .desc p.credito{color:#666;margin-top:16px}
.projeto .fotos{display:flex;flex-direction:column;gap:20px}
.projeto .fotos img{width:100%;height:auto;cursor:zoom-in;background:#f2f2f2}
.proj-nav{display:flex;justify-content:space-between;gap:12px;margin-top:30px;font-size:14px;font-weight:500;flex-wrap:wrap}
.proj-nav a{border-bottom:1px solid #999}
.proj-nav a:hover{border-color:#000}
.voltar{display:inline-block;margin-top:22px;font-size:14px;font-weight:500;border-bottom:1px solid #999}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:100;display:none;align-items:center;justify-content:center}
.lightbox.on{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;object-fit:contain}
.lightbox button{position:absolute;background:none;border:0;color:#fff;font-size:40px;cursor:pointer;padding:10px 18px;line-height:1}
.lb-fechar{top:10px;right:10px}
.lb-ant{left:10px;top:50%;transform:translateY(-50%)}
.lb-prox{right:10px;top:50%;transform:translateY(-50%)}

/* ===== SOBRE ===== */
.sobre-intro{padding:50px 0 60px}
.sobre-intro .container{display:grid;grid-template-columns:204px 1fr;gap:22px;align-items:center;max-width:1000px}
.sobre-intro .tag{font-size:14px;margin-bottom:8px}
.sobre-intro h1{font-size:clamp(22px,2.4vw,29px);font-weight:700;line-height:1.38;margin-bottom:50px}
.sobre-intro .cta{font-size:12px;font-weight:300;color:#333}
.sobre-intro .cta a{font-weight:500;color:#000}
.preto{background:#000;color:#fff;padding:76px 0 70px}
.preto .bloco{max-width:800px;margin:0 auto 60px;padding-left:16px}
.preto .bloco:last-child{margin-bottom:0}
.preto h2,.como h2{font-size:14px;font-weight:700;margin-bottom:14px}
.preto p{font-size:clamp(19px,2vw,24px);font-weight:300;line-height:1.66}
.como{padding:10px 0}
.como .container{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;max-width:1000px}
.como p{font-size:18px;line-height:1.28;max-width:230px}
.btn-borda{display:inline-block;margin:50px 0 0 120px;padding:12px 26px;width:172px;border:3px solid #222;border-radius:5px;font-size:14px;font-weight:500;transition:.2s}
.btn-borda:hover{background:#222;color:#fff}

/* ===== CONTATO / SAIBA MAIS ===== */
.contato-hero{height:460px;background:#cfd5dc center/cover no-repeat;display:flex;align-items:center}
.contato-hero h1{color:#fff;font-size:clamp(44px,5.6vw,76px);font-weight:900;line-height:1;padding-left:8%}
.form-sec{padding:20px 0 20px}
.form-sec .container{display:grid;grid-template-columns:1fr 1.25fr;gap:60px}
.form-sec .lead{font-size:clamp(24px,2.6vw,34px);line-height:1.15;margin:20px 0 60px;max-width:440px}
.form-sec .cafe{font-size:19px;font-weight:700;line-height:1.35}
.form-linha input,.form-linha textarea{width:100%;border:0;border-bottom:2px solid #555;padding:10px 12px;font:inherit;font-size:14px;margin-bottom:14px;background:transparent;border-radius:3px}
.form-linha textarea{min-height:80px;resize:vertical}
.btn-amarelo{background:var(--amarelo-btn);color:#000;border:0;border-radius:10px;padding:12px 48px;font:inherit;font-weight:500;font-size:15px;cursor:pointer;transition:filter .2s}
.btn-amarelo:hover{filter:brightness(.93)}
.saiba{background:var(--marrom);color:#fff;padding:36px 0 20px}
.saiba .container{display:grid;grid-template-columns:1fr 1.3fr;gap:60px}
.saiba h1{font-size:clamp(24px,2.4vw,31px);font-weight:700;line-height:1.25;margin-bottom:40px}
.saiba .txt p{font-size:16px;font-weight:300;line-height:1.6;max-width:300px;margin-bottom:22px}
.form-escuro label.campo{display:block;font-weight:700;font-size:15px;margin:0 0 6px}
.form-escuro input[type=text],.form-escuro input[type=email],.form-escuro textarea{width:100%;background:transparent;border:1px solid #888;color:#fff;padding:7px 10px;font:inherit;font-size:14px;margin-bottom:16px;border-radius:2px}
.form-escuro textarea{min-height:90px}
.form-escuro fieldset{border:0;margin:6px 0 18px}
.form-escuro legend{font-weight:700;font-size:15px;margin-bottom:6px}
.form-escuro .opc{display:flex;align-items:center;gap:6px;font-weight:300;font-size:15px;line-height:1.8}
.form-escuro .opc input{accent-color:var(--amarelo-btn)}
.form-ok{display:none;padding:14px;border-radius:6px;background:#e6f6ea;color:#165c2b;margin-top:12px;font-size:14px}

/* ===== CONTATO (rodapé) ===== */
.contato{background:var(--rodape);padding:20px 0 30px}
.contato .container{display:grid;grid-template-columns:1fr auto;gap:30px;position:relative;padding-right:120px}
.contato h2{font-size:24px;font-weight:700;margin-bottom:28px}
.contato .chamada{font-size:17px}
.contato .chamada strong{font-weight:700;display:block}
.endereco{text-align:right;font-size:15px;font-style:normal}
.endereco .b{font-weight:700}
.siga{text-align:right;margin-top:40px}
.siga h3{font-family:'Poppins',sans-serif;font-size:22px;font-weight:700;margin-bottom:22px}
.sociais{display:flex;gap:15px;justify-content:flex-end}
.icone{width:50px;height:50px;border-radius:50%;background:var(--icone);display:grid;place-items:center;transition:transform .2s,background .2s}
.icone:hover{transform:scale(1.08);background:#000}
.icone svg{width:24px;height:24px;fill:#fff}
.whats{position:absolute;right:16px;top:0;width:70px;height:70px}
.whats svg{width:34px;height:34px}
.site-footer{background:var(--escuro);color:#fff;font-family:'Poppins',sans-serif;font-size:14px;padding:16px 0}
.whats-float{display:none;position:fixed;right:16px;bottom:16px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.whats-float svg{width:30px;height:30px;fill:#fff}

/* ===== RESPONSIVO ===== */
@media (max-width:960px){
  .cards{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .video .container{grid-template-columns:1fr}
  .video .texto{text-align:center;padding:0}
  .video p{max-width:none;margin:0 auto}
  .grade{grid-template-columns:repeat(2,1fr)}
  .projeto .container{grid-template-columns:1fr;gap:24px}
  .projeto .info{position:static}
  .como .container,.form-sec .container,.saiba .container{grid-template-columns:1fr;gap:30px}
  .btn-borda{margin:30px 0 0}
  .como p{max-width:none}
}
@media (max-width:760px){
  .burger{display:block}
  .menu{position:absolute;top:var(--header);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 0;box-shadow:0 10px 20px rgba(0,0,0,.1);display:none}
  .aberto .menu{display:flex}
  .menu>li>a{display:block;padding:12px 16px}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 0 16px}
  .hero{min-height:70vh}
  .intro{padding:50px 0 20px}
  .card{padding:40px 28px 48px}
  .grade{grid-template-columns:1fr}
  .sobre-intro .container{grid-template-columns:1fr;justify-items:start}
  .sobre-intro h1{margin-bottom:24px}
  .contato-hero{height:300px}
  .contato .container{grid-template-columns:1fr;padding-right:16px}
  .endereco,.siga{text-align:left}
  .sociais{justify-content:flex-start}
  .whats{display:none}
  .whats-float{display:grid}
}