:root{--navy:#071a2b;--navy2:#0e2639;--ink:#102236;--muted:#5c6c7c;--orange:#ef341f;--orange2:#ff6d4d;--bg:#f5f7fa;--line:#dfe6ec;--white:#fff;--shadow:0 18px 48px rgba(8,28,45,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}img{display:block;max-width:100%}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(7,25,42,.08)}.nav-wrap{height:98px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:14px;min-width:auto}.brand img{height:86px;width:auto;object-fit:contain}.nav{display:flex;align-items:center;gap:22px;font-weight:700;font-size:.9rem}.nav>a:not(.btn){position:relative}.nav>a:not(.btn):after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--orange);transition:.25s}.nav>a:not(.btn):hover:after{right:0}.menu-toggle{display:none;background:none;border:0;padding:8px}.menu-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:5px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;font-weight:800;transition:.25s;border:1px solid transparent;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--orange),#d91f08);color:#fff;box-shadow:0 12px 30px rgba(239,47,18,.22)}.btn-ghost{color:#fff;border-color:rgba(255,255,255,.62);background:rgba(255,255,255,.07)}.btn-outline-dark{border-color:#9eabb7;color:var(--ink);background:transparent}.btn.large{min-height:56px;padding-inline:28px}
.hero{min-height:720px;display:grid;align-items:center;position:relative;overflow:hidden;background:var(--navy)}.hero-carousel,.hero-slide{position:absolute;inset:0}.hero-slide{background-position:center;background-size:cover;opacity:0;transform:scale(1.04);transition:opacity 1.1s ease,transform 6s ease}.hero-slide.active{opacity:1;transform:scale(1)}.hero-slide:nth-child(1){background-position:center 58%}.hero-slide:nth-child(2){background-position:center 55%}.hero-slide:nth-child(3){background-position:68% 62%}.hero-slide:nth-child(4){background-position:center 56%}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,34,.96) 0%,rgba(4,20,34,.82) 43%,rgba(4,20,34,.34) 70%,rgba(4,20,34,.16) 100%)}.hero-content{position:relative;z-index:2;color:#fff;padding-block:92px 84px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:800;font-size:.76rem;color:var(--orange)}.hero .eyebrow{font-size:1.02rem;letter-spacing:.13em}.eyebrow:before,.section-kicker:before{content:"";width:28px;height:2px;background:currentColor}.hero-brand{font-family:Montserrat,Inter,sans-serif;font-size:clamp(3.8rem,8vw,6rem);line-height:.92;max-width:820px;margin:18px 0 8px;letter-spacing:-.05em;font-weight:800}.hero h1{font-family:Inter,Arial,sans-serif;font-size:clamp(1.3rem,2.1vw,2rem);line-height:1.1;max-width:760px;margin:0 0 18px;letter-spacing:-.02em;font-weight:700}.hero p{max-width:720px;font-size:1.08rem;color:rgba(255,255,255,.84);margin:0 0 32px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-stats{display:flex;gap:44px;margin-top:64px}.hero-stats div{display:grid;gap:2px}.hero-stats strong{font-size:1.45rem}.hero-stats span{font-size:.8rem;color:rgba(255,255,255,.67)}.carousel-dots{display:flex;gap:8px;margin-top:30px}.dot{width:24px;height:3px;border:0;background:rgba(255,255,255,.35);padding:0;cursor:pointer}.dot.active{background:#fff}
.section{padding:100px 0}.about{background:#fff}.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center}.section h2{font-family:Montserrat,Inter,sans-serif;font-size:clamp(2.05rem,4vw,3.55rem);line-height:1.05;letter-spacing:-.035em;margin:16px 0 24px}.about-copy p{color:var(--muted);font-size:1.02rem}.social-box{margin-top:28px;padding:20px 22px;background:var(--bg);border-left:3px solid var(--orange);border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:20px}.social-box>div:first-child{display:grid;gap:3px}.social-box span{color:var(--muted);font-size:.9rem}.social-actions{display:flex;gap:10px;flex-wrap:wrap}.social-link{font-size:.86rem;font-weight:800;color:var(--ink);padding:8px 11px;border:1px solid #cbd5dd;border-radius:9px}.social-link.disabled{opacity:.7}.about-gallery{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:220px 220px;gap:16px}.photo{margin:0;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.photo.tall{grid-row:1/3}.photo img{width:100%;height:100%;object-fit:cover}.about-gallery .photo.tall img{object-position:70% 50%}.about-gallery .photo:nth-child(2) img{object-position:center center}.about-gallery .photo:nth-child(3) img{object-position:center 58%}
.services{background:radial-gradient(circle at 85% 10%,rgba(35,88,129,.5),transparent 28%),linear-gradient(135deg,var(--navy),#071523);color:#fff}.section-head{display:flex;justify-content:space-between;gap:55px;align-items:end;margin-bottom:42px}.section-head>div{max-width:720px}.section-head p{max-width:420px;color:rgba(255,255,255,.68);margin:0}.section-kicker.light{color:#ff7458}.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.service-card{padding:24px 20px;border:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.065);border-radius:18px;transition:.25s;min-height:300px;display:flex;flex-direction:column}.service-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.095);border-color:rgba(255,255,255,.24)}.service-card .icon{font-size:1.55rem}.service-card h3{font-size:.98rem;line-height:1.3;margin:13px 0 9px}.service-card p{font-size:.83rem;color:rgba(255,255,255,.66);margin:0}.card-actions{margin-top:auto;padding-top:18px;display:grid;gap:8px}.card-actions a{font-size:.76rem;font-weight:700;color:rgba(255,255,255,.83);border-top:1px solid rgba(255,255,255,.15);padding-top:9px}.card-actions a:last-child{color:rgba(255,255,255,.55);font-weight:600}.card-actions a:hover{color:#fff}
.featured-services{background:#071a2b;color:#fff;padding-top:86px}.featured-head{max-width:760px;margin-bottom:34px}.featured-head h2{margin-bottom:12px}.featured-head p{color:rgba(255,255,255,.65);margin:0}.featured-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.featured-card{min-height:370px;position:relative;overflow:hidden;border-radius:22px;border:1px solid rgba(255,255,255,.16);background:#122b40}.featured-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.featured-card-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,20,34,.97) 0%,rgba(5,20,34,.86) 48%,rgba(5,20,34,.38) 76%,rgba(5,20,34,.18) 100%)}.featured-content{position:relative;z-index:2;width:68%;padding:34px;display:flex;flex-direction:column;min-height:370px}.featured-content>span{color:#ff876d;font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.featured-content h3{font-size:1.65rem;line-height:1.15;margin:10px 0 14px}.featured-content p{font-size:.9rem;color:rgba(255,255,255,.72);margin:0}.featured-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:auto;padding-top:22px}.featured-actions a{font-size:.84rem;font-weight:700;color:rgba(255,255,255,.88);border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:3px}.featured-actions a:last-child{color:rgba(255,255,255,.58)}
.portfolio{background:var(--bg)}.section-head.dark p{color:var(--muted)}.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:245px;gap:16px}.portfolio-item{position:relative;margin:0;border-radius:20px;overflow:hidden;box-shadow:0 10px 25px rgba(5,26,44,.08)}.portfolio-item.wide{grid-column:span 2;grid-row:span 2}.portfolio-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.portfolio-item:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(3,15,26,.86))}.portfolio-item:hover img{transform:scale(1.04)}.portfolio-item figcaption{position:absolute;z-index:2;left:20px;right:20px;bottom:18px;color:#fff;display:grid}.portfolio-item figcaption span{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:#ff7b60;font-weight:800}.portfolio-item figcaption strong{font-size:1rem}.center-action{display:flex;justify-content:center;margin-top:32px}.trust-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:42px 0}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}.trust-item{padding:4px 28px;border-right:1px solid var(--line);display:grid;gap:8px}.trust-item:first-child{padding-left:0}.trust-item:last-child{border:0}.trust-item strong{font-size:1rem}.trust-item span{font-size:.87rem;color:var(--muted)}
.contact{background:linear-gradient(135deg,#fff 0%,#f6f8fb 100%)}.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.contact-copy p{color:var(--muted);max-width:600px;margin-bottom:30px}.contact-cards{display:grid;gap:14px}.contact-card{padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 24px rgba(5,26,44,.06);display:grid;gap:5px;transition:.2s}.contact-card:hover{border-color:#c8d0d7;transform:translateX(3px)}.contact-card span{font-size:.72rem;text-transform:uppercase;letter-spacing:.11em;color:var(--orange);font-weight:800}.contact-card strong{font-size:1rem;overflow-wrap:anywhere}.contact-card small{color:var(--muted)}
footer{background:#061421;color:#fff;padding:44px 0 20px}.footer-grid{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.footer-logo{width:150px;border-radius:8px}.footer-copy{display:grid}.footer-copy span{color:rgba(255,255,255,.55);font-size:.86rem}.footer-links{display:grid;text-align:right;gap:4px;font-size:.88rem}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:26px;padding-top:16px;color:rgba(255,255,255,.45);font-size:.78rem}.floating-whatsapp{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;font-size:1.4rem;box-shadow:0 14px 30px rgba(0,0,0,.25);z-index:90}
.inner-hero{padding:110px 0 95px;background:linear-gradient(120deg,#061421,#0f3048);color:#fff}.inner-hero h1{font-family:Montserrat,Inter,sans-serif;font-size:clamp(2.6rem,5vw,5rem);line-height:1;max-width:860px;margin:20px 0}.inner-hero p{max-width:720px;color:rgba(255,255,255,.7);font-size:1.05rem}.projects-hero{background:linear-gradient(90deg,rgba(5,20,34,.96),rgba(5,20,34,.7)),url('assets/img/manutencao-usina-hidreletrica.jpg') center/cover}.responsible-hero{background:linear-gradient(90deg,rgba(5,20,34,.96),rgba(5,20,34,.72)),url('assets/img/manutencao-subestacao.jpg') center/cover}.projects-page{background:var(--bg)}.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:34px}.filter{border:1px solid #cfd7de;background:#fff;color:var(--ink);padding:10px 14px;border-radius:999px;font-weight:700;font-size:.78rem;cursor:pointer}.filter.active{background:#102638;color:#fff;border-color:#102638}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 10px 26px rgba(8,28,45,.07)}.project-card.hidden{display:none}.project-card img{width:100%;height:300px;object-fit:cover}.project-card>div{padding:22px}.project-card span{color:var(--orange);text-transform:uppercase;letter-spacing:.11em;font-size:.7rem;font-weight:800}.project-card h2{font-family:Montserrat,Inter,sans-serif;font-size:1.3rem;line-height:1.15;margin:7px 0 8px}.project-card p{color:var(--muted);font-size:.88rem;margin:0}.empty-project{display:none;grid-column:1/-1;padding:40px;background:#fff;border-radius:18px;border:1px solid var(--line);text-align:center;color:var(--muted)}.empty-project.show{display:block}.project-cta{padding:70px 0;background:#0a2032;color:#fff;text-align:center}.project-cta h2{font-family:Montserrat,Inter,sans-serif;font-size:2.2rem;margin:0 0 8px}.project-cta p{color:rgba(255,255,255,.68);margin:0 0 24px}
.responsible-page{background:#fff}.responsible-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:start}.responsible-card{background:var(--bg);border:1px solid var(--line);border-radius:24px;padding:34px;position:sticky;top:110px}.responsavel-profile-photo{width:100%;height:420px;object-fit:cover;object-position:center top;border-radius:18px;margin:0 0 22px;box-shadow:0 14px 34px rgba(8,28,45,.12)}.responsible-card>span{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--orange);font-weight:800}.responsible-card h2{font-size:2rem;margin:8px 0 4px}.crea{color:var(--muted);margin:0 0 24px}.responsible-copy>h2{margin-top:15px}.responsible-copy>p{color:var(--muted);font-size:1.02rem}.credential-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.credential-grid>div{padding:18px;border:1px solid var(--line);border-radius:15px;display:grid;gap:5px}.credential-grid strong{font-size:.82rem}.credential-grid span{font-size:.83rem;color:var(--muted)}.note{padding:18px;background:#f6f8fa;border-left:3px solid #b8c2ca;border-radius:10px;font-size:.9rem!important}.responsible-quote{margin:28px 0 0;padding:20px 22px;border-left:3px solid var(--orange);background:#f6f8fa;border-radius:10px;color:var(--ink);font-weight:700;font-size:1.02rem}.responsible-photo-band{padding:70px 0;background:#081b2c;color:#fff}.responsible-photo-band .container{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px}.responsible-photo-band img{height:420px;width:100%;object-fit:cover;border-radius:22px}.responsible-photo-band span{color:#ff8067;text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:800}.responsible-photo-band h2{font-family:Montserrat,sans-serif;font-size:2.4rem;line-height:1.08}.responsible-photo-band a{font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.35)}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}.reveal.show{opacity:1;transform:none}
@media(max-width:1100px){.nav{gap:16px;font-size:.84rem}.service-grid{grid-template-columns:repeat(2,1fr)}.about-grid,.contact-grid{grid-template-columns:1fr;gap:48px}.portfolio-grid{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr);gap:24px}.trust-item{border:0;padding:0}.section-head{align-items:start;flex-direction:column;gap:12px}.section-head p{max-width:650px}.project-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.nav-wrap{height:82px}.brand{min-width:auto}.brand img{height:66px}.menu-toggle{display:block}.nav{position:absolute;top:82px;left:0;right:0;background:#fff;padding:18px;display:none;flex-direction:column;align-items:stretch;gap:7px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(5,26,44,.12)}.nav.open{display:flex}.nav a{padding:9px}.nav-cta{margin-top:6px}.hero{min-height:680px}.hero-overlay{background:linear-gradient(90deg,rgba(5,20,35,.94),rgba(5,20,35,.7))}.hero .eyebrow{font-size:.9rem}.hero-brand{font-size:clamp(3rem,12vw,4.9rem)}.hero h1{font-size:clamp(1.15rem,4.2vw,1.55rem);max-width:620px}.hero-stats{gap:24px;flex-wrap:wrap}.section{padding:78px 0}.about-gallery{grid-template-rows:190px 190px}.featured-grid{grid-template-columns:1fr}.featured-content{width:75%}.responsible-grid{grid-template-columns:1fr;gap:40px}.responsible-card{position:static}.credential-grid{grid-template-columns:1fr}.responsible-photo-band .container{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;text-align:center}.footer-logo{margin:auto}.footer-links{text-align:center}.footer-copy{justify-items:center}}
@media(max-width:580px){.container{width:min(100% - 28px,1180px)}.hero{min-height:710px}.hero-content{padding-block:86px 58px}.hero p{font-size:1rem}.hero-actions{flex-direction:column;align-items:stretch}.hero-stats{margin-top:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.hero-stats strong{font-size:1.1rem}.hero-stats span{font-size:.7rem}.about-gallery{grid-template-columns:1fr 1fr;grid-template-rows:155px 155px}.social-box{align-items:flex-start;flex-direction:column}.service-grid{grid-template-columns:1fr}.service-card{min-height:auto}.featured-card{min-height:430px}.featured-content{width:100%;padding:26px;background:linear-gradient(90deg,rgba(5,20,34,.96),rgba(5,20,34,.72))}.featured-content h3{font-size:1.35rem}.portfolio-grid{grid-template-columns:1fr;grid-auto-rows:280px}.portfolio-item.wide{grid-column:auto;grid-row:auto}.trust-grid{grid-template-columns:1fr}.project-grid{grid-template-columns:1fr}.project-card img{height:260px}.filter-bar{overflow:auto;flex-wrap:nowrap;padding-bottom:6px}.filter{white-space:nowrap}.floating-whatsapp{width:52px;height:52px;right:14px;bottom:14px}}

@media(max-width:620px){.brand{min-width:auto}.brand img{height:60px}.hero-brand{font-size:clamp(2.6rem,14vw,3.5rem)}.hero h1{font-size:1.06rem;max-width:95%}.hero p{font-size:.98rem;max-width:95%}}