/* =========================================================
   Estrutural Engenharia — seções da home e do portfólio
   Paleta: #13294B (azul-marinho), #0B1A30 (escuro), #5B7394 (aço), #8A9BB2 (cinza-azulado)
   ========================================================= */

.es-sec{padding:90px 0;position:relative}
.es-sec-cinza{background:#f4f6f9}
.es-cab{text-align:center;max-width:760px;margin:0 auto 46px}
.es-cab-esq{text-align:left;margin-left:0}
.es-kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:#5B7394;margin-bottom:12px}
.es-titulo{font-size:38px;line-height:1.15;font-weight:700;color:#13294B;margin:0 0 14px}
.es-sub{font-size:17px;line-height:1.65;color:#6b7686;margin:0}
.es-btn{display:inline-flex;align-items:center;gap:10px;background:#13294B;color:#fff;padding:14px 30px;border-radius:40px;font-weight:600;font-size:15px;transition:background .2s,transform .2s}
.es-btn:hover{background:#5B7394;color:#fff;transform:translateY(-2px)}
.es-btn-claro{background:#fff;color:#13294B}
.es-btn-claro:hover{background:#8A9BB2;color:#fff}

/* ---------- Segmentos (carrossel) ---------- */
.es-carrossel{position:relative}
.es-trilho{display:flex;gap:26px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:6px 4px 26px;scrollbar-width:none}
.es-trilho::-webkit-scrollbar{display:none}
.es-seg{flex:0 0 calc((100% - 52px)/3);scroll-snap-align:start;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(19,41,75,.08);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.es-seg:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(19,41,75,.16)}
.es-seg-foto{position:relative;aspect-ratio:4/3;overflow:hidden;background:#13294B;display:block}
.es-seg-foto img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.es-seg:hover .es-seg-foto img{transform:scale(1.06)}
.es-seg-icone{position:absolute;left:24px;bottom:-28px;width:58px;height:58px;border-radius:50%;background:#13294B;color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;border:4px solid #fff;z-index:2}
.es-seg-txt{padding:42px 26px 26px;display:flex;flex-direction:column;flex:1}
.es-seg-txt h3{font-size:22px;font-weight:700;color:#13294B;margin:0 0 10px}
.es-seg-txt h3 a{color:inherit}
.es-seg-txt p{color:#6b7686;font-size:15px;line-height:1.6;margin:0 0 18px;flex:1}
.es-seg-link{font-weight:600;color:#13294B;display:inline-flex;align-items:center;gap:8px}
.es-seg-link:hover{color:#5B7394}
.es-setas{display:flex;justify-content:center;gap:12px;margin-top:10px}
.es-seta{width:50px;height:50px;border-radius:50%;border:1px solid #c9d2de;background:#fff;color:#13294B;font-size:18px;cursor:pointer;transition:all .2s}
.es-seta:hover{background:#13294B;color:#fff;border-color:#13294B}

/* ---------- Números ---------- */
.es-numeros{background:#13294B;padding:70px 0;color:#fff;position:relative;overflow:hidden}
.es-numeros:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px}
.es-numeros .row{position:relative}
.es-num{display:flex;align-items:center;gap:18px;padding:14px 0}
.es-num-icone{width:66px;height:66px;flex:none;border-radius:50%;border:1px solid rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-size:26px;color:#8A9BB2}
.es-num b{display:block;font-size:42px;line-height:1;font-weight:700;color:#fff;white-space:nowrap}
.es-num b span{display:inline;margin:0;color:#fff;font-size:inherit}
.es-num-rotulo{display:block;margin-top:6px;color:#C3CEDB;font-size:15px;line-height:1.35}

/* ---------- Portfólio ---------- */
.es-filtros{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:36px}
.es-filtro{border:1px solid #c9d2de;background:#fff;color:#13294B;padding:10px 22px;border-radius:30px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s}
.es-filtro:hover,.es-filtro.ativo{background:#13294B;color:#fff;border-color:#13294B}
.es-obras{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.es-obra{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:#13294B;display:block}
.es-obra img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.es-obra:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,26,48,0) 35%,rgba(11,26,48,.92) 100%)}
.es-obra:hover img{transform:scale(1.06)}
.es-obra-info{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;z-index:2;color:#fff}
.es-obra-tag{display:inline-block;background:#fff;color:#13294B;font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:10px}
.es-obra-info h3{color:#fff;font-size:21px;line-height:1.25;font-weight:700;margin:0 0 4px}
.es-obra-info .es-obra-local{color:#C3CEDB;font-size:14px}
.es-obra-info .es-obra-tag{color:#13294B}
.es-obra.oculta{display:none}
.es-obras-vazio{text-align:center;color:#6b7686;padding:30px 0}
.es-centro{text-align:center;margin-top:40px}

/* ---------- Clientes ---------- */
.es-clientes{padding:70px 0;background:#fff;border-top:1px solid #e6eaf0;overflow:hidden}
.es-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.es-marquee+.es-marquee{margin-top:16px}
.es-marquee-trilho{display:flex;align-items:center;width:max-content;animation:es-passa 45s linear infinite}
.es-marquee-reverso .es-marquee-trilho{animation-direction:reverse;animation-duration:50s}
.es-marquee:hover .es-marquee-trilho{animation-play-state:paused}
.es-logo{flex:none;margin-right:22px;display:flex;align-items:center;justify-content:center;height:96px;min-width:190px;padding:14px 26px;background:#fff;border:1px solid #e6eaf0;border-radius:12px;transition:border-color .2s,box-shadow .2s,transform .2s}
.es-logo img{max-height:60px;max-width:170px;width:auto;height:auto;object-fit:contain}
.es-logo:hover{border-color:#13294B;box-shadow:0 10px 24px rgba(19,41,75,.1);transform:translateY(-3px)}
.es-marca{flex:none;margin-right:16px;display:inline-flex;align-items:center;gap:10px;white-space:nowrap;padding:14px 24px;border:1px solid #e1e6ee;border-radius:6px;background:#f8f9fb;font-weight:700;color:#13294B;font-size:17px}
.es-marca img{width:20px;height:20px;border-radius:4px}
@keyframes es-passa{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Contato com formulário ---------- */
.es-contato{position:relative;padding:90px 0;background:#0B1A30 center/cover no-repeat;background-attachment:fixed;color:#fff}
.es-contato:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,26,48,.94) 0%,rgba(19,41,75,.80) 45%,rgba(19,41,75,.55) 100%)}
.es-contato .container{position:relative}
.es-contato .es-titulo{color:#fff}
.es-contato .es-sub{color:#C3CEDB}
.es-contato-tel{display:flex;align-items:center;gap:16px;margin-top:30px}
.es-contato-tel i{width:58px;height:58px;border-radius:50%;background:#fff;color:#13294B;display:flex;align-items:center;justify-content:center;font-size:24px}
.es-contato-tel small{display:block;color:#8A9BB2;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.es-contato-tel a{color:#fff;font-size:24px;font-weight:700}
.es-form{background:#fff;border-radius:14px;padding:34px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.es-form h3{color:#13294B;font-size:24px;font-weight:700;margin:0 0 6px}
.es-form p{color:#6b7686;font-size:14px;margin:0 0 20px}
.es-form input,.es-form textarea{width:100%;border:1px solid #d3d9e2;border-radius:8px;padding:13px 16px;font-size:15px;color:#222;margin-bottom:14px;background:#f8f9fb;transition:border-color .2s,background .2s}
.es-form input:focus,.es-form textarea:focus{outline:none;border-color:#13294B;background:#fff}
.es-form textarea{min-height:110px;resize:vertical}
.es-form button{width:100%;justify-content:center;border:0;cursor:pointer}

/* ---------- Página do portfólio ---------- */
.es-obra-detalhe{display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:start}
.es-ficha{background:#f4f6f9;border-radius:14px;padding:28px}
.es-ficha dl{margin:0}
.es-ficha div{padding:12px 0;border-bottom:1px solid #dfe4eb}
.es-ficha div:last-child{border-bottom:0}
.es-ficha dt{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:#5B7394;font-weight:600}
.es-ficha dd{margin:4px 0 0;color:#13294B;font-weight:600;font-size:16px}
.es-galeria{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:30px}
.es-galeria a{display:block;aspect-ratio:4/3;border-radius:10px;overflow:hidden}
.es-galeria img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.es-galeria a:hover img{transform:scale(1.05)}

/* ---------- Responsivo ---------- */
@media(max-width:1199px){.es-seg{flex-basis:calc((100% - 26px)/2)}}
@media(max-width:991px){
  .es-obras{grid-template-columns:repeat(2,1fr)}
  .es-titulo{font-size:31px}
  .es-obra-detalhe{grid-template-columns:1fr}
  .es-form{margin-top:36px}
}
@media(max-width:767px){
  .es-sec,.es-contato{padding:60px 0}
  .es-seg{flex-basis:86%}
  .es-obras{grid-template-columns:1fr}
  .es-titulo{font-size:27px}
  .es-num b{font-size:34px}
  .es-form{padding:24px}
}
@media(prefers-reduced-motion:reduce){.es-marquee-trilho{animation:none}.es-trilho{scroll-behavior:auto}}

/* ---------- Fotos da seção Sobre ---------- */
.rs-img{height:auto!important;overflow:visible!important}
.es-sobre-fotos{position:relative;width:100%;aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:#13294B;box-shadow:0 20px 50px rgba(19,41,75,.18)}
.es-sobre-fotos img{position:absolute;inset:0;width:100%!important;height:100%!important;object-fit:cover;border-radius:0!important;opacity:0;transform:scale(1.04);transition:opacity 1s ease,transform 5s ease}
.es-sobre-fotos img.ativa{opacity:1;transform:scale(1)}
.es-sobre-pontos{position:absolute;left:18px;bottom:16px;display:flex;gap:8px;z-index:3}
.es-sobre-pontos button{width:10px;height:10px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.55);cursor:pointer;transition:all .2s}
.es-sobre-pontos button.ativo{width:26px;border-radius:6px;background:#fff}