/* Grupo EF: previa de site (modelo Brasil, claro e institucional) */
:root{
  --bg:#F6F5F1;
  --bg-2:#EDEBE5;
  --card:#FDFCFA;
  --ink:#14202B;
  --ink-2:#3A4752;
  --muted:#6B7680;
  --line:#DEDBD3;
  --brand:#003161;
  --brand-2:#0B4A8A;
  --steel:#5B7387;
  --warm:#C98A2B;
  --wa:#1F8F4E;
  --maxw:1240px;
  --gut:clamp(18px,4.5vw,56px);
  --r:14px;
  --ease:cubic-bezier(.22,1,.36,1);
  --f-head:"Archivo",system-ui,sans-serif;
  --f-body:"Figtree",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--f-head);line-height:1.08;letter-spacing:-.015em;margin:0;color:var(--ink)}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--warm)}
.sec{padding:clamp(72px,10vw,120px) 0}
.sec-head{display:grid;grid-template-columns:1.1fr .9fr;gap:24px 56px;align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.sec-head h2{font-size:clamp(2rem,4vw,3.1rem);font-weight:700;margin-top:14px}
.sec-head p{color:var(--ink-2);max-width:44ch}

/* botoes */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:.98rem;padding:15px 24px;border-radius:999px;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2)}
.btn-line{border:1.5px solid var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#187a42}
.btn svg{width:18px;height:18px;flex:none}

/* barra superior */
.topbar{background:var(--brand);color:#D6E1EE;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:40px}
.topbar a:hover{color:#fff}
.topbar .tb-l{display:flex;gap:22px;flex-wrap:wrap}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(246,245,241,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .3s}
.header.scrolled{border-bottom-color:var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.logo img{height:46px;width:auto}
.menu{display:flex;gap:30px;font-weight:600;font-size:.97rem;color:var(--ink-2)}
.menu a{position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.menu a:hover{color:var(--ink)}
.menu a:hover::after{transform:scaleX(1)}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:none;align-items:center;justify-content:center;cursor:pointer}
.burger span{width:18px;height:2px;background:var(--ink);position:relative;display:block}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.mnav{display:none}

/* hero */
.hero{padding:clamp(36px,6vw,72px) 0 clamp(48px,6vw,80px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:800;margin:18px 0 20px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .sub{font-size:clamp(1.05rem,1.4vw,1.2rem);color:var(--ink-2);max-width:46ch}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-facts{display:flex;gap:0;margin-top:38px;border-top:1px solid var(--line)}
.hero-facts div{flex:1;padding:18px 18px 0 0}
.hero-facts div+div{padding-left:18px;border-left:1px solid var(--line)}
.hero-facts strong{display:block;font-family:var(--f-head);font-size:1.6rem;font-weight:800;color:var(--ink);line-height:1.1}
.hero-facts span{font-size:.88rem;color:var(--muted)}
.mosaic{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:clamp(380px,46vw,560px)}
.mosaic figure{margin:0;position:relative;overflow:hidden;border-radius:var(--r);background:var(--bg-2)}
.mosaic figure:first-child{grid-row:1/3}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.mosaic figure:hover img{transform:scale(1.04)}
.mosaic figcaption{position:absolute;left:12px;bottom:12px;background:rgba(20,32,43,.78);color:#fff;font-size:.78rem;font-weight:600;padding:6px 11px;border-radius:999px}

/* clientes */
.clients{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
.clients .wrap{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:center;padding-top:26px;padding-bottom:26px}
.clients p{font-weight:700;color:var(--ink-2);font-size:.95rem;line-height:1.35}
.clients p small{display:block;font-weight:500;color:var(--muted);font-size:.84rem;margin-top:4px}
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:10px 18px;align-items:center}
.logos img{height:52px;width:100%;object-fit:contain;filter:grayscale(1);opacity:.75;mix-blend-mode:multiply;transition:filter .3s,opacity .3s}
.logos img:hover{filter:none;opacity:1}

/* servicos */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:border-color .3s var(--ease),transform .4s var(--ease)}
.svc:hover{border-color:var(--steel);transform:translateY(-3px)}
.svc .ph{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.svc .ph img{width:100%;height:100%;object-fit:cover}
.svc .tx{padding:22px 22px 26px}
.svc .num{font-family:var(--f-head);font-weight:700;font-size:.85rem;color:var(--warm);letter-spacing:.06em}
.svc h3{font-size:1.32rem;font-weight:700;margin:6px 0 8px}
.svc p{color:var(--ink-2);font-size:.98rem}
.svc.wide{grid-column:span 2;flex-direction:row}
.svc.wide .ph{aspect-ratio:auto;flex:1.1}
.svc.wide .tx{flex:1;display:flex;flex-direction:column;justify-content:center;padding:32px}
.svc.wide h3{font-size:1.7rem}

/* obras */
.obras{background:var(--bg-2)}
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:12px}
.gal figure{margin:0;position:relative;overflow:hidden;border-radius:var(--r);cursor:zoom-in;background:#d9d6ce}
.gal figure.t{grid-row:span 2}
.gal figure.w{grid-column:span 2}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;color:#fff;font-weight:600;font-size:.9rem;background:linear-gradient(transparent,rgba(10,18,26,.72))}
.lb{position:fixed;inset:0;z-index:100;background:rgba(10,16,22,.92);display:none;align-items:center;justify-content:center;padding:4vw;cursor:zoom-out}
.lb.on{display:flex}
.lb img{max-height:88vh;max-width:92vw;border-radius:10px}

/* processo */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:2px solid var(--ink)}
.step{padding:26px 26px 0 0}
.step+.step{padding-left:26px;border-left:1px solid var(--line)}
.step b{font-family:var(--f-head);font-size:2.4rem;font-weight:800;color:var(--brand);line-height:1}
.step h3{font-size:1.18rem;font-weight:700;margin:14px 0 8px}
.step p{color:var(--ink-2);font-size:.96rem}

/* sobre */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(32px,5vw,72px);align-items:center}
.about-ph{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5}
.about-ph img{width:100%;height:100%;object-fit:cover}
.about-ph .stamp{position:absolute;right:16px;top:16px;background:var(--card);border-radius:12px;padding:14px 16px;text-align:center}
.about-ph .stamp strong{display:block;font-family:var(--f-head);font-size:1.9rem;font-weight:800;color:var(--brand);line-height:1}
.about-ph .stamp span{font-size:.78rem;color:var(--muted);font-weight:600}
.about h2{font-size:clamp(2rem,4vw,3rem);font-weight:700;margin:14px 0 20px}
.about .lead{font-size:1.12rem;color:var(--ink-2)}
.about p+p{margin-top:14px}
.values{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.values span{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 14px;font-size:.88rem;font-weight:600;color:var(--ink-2)}
.mvv{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.mvv h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.mvv p{font-size:.95rem;color:var(--ink-2)}

/* contato */
.contact{background:var(--brand);color:#E4ECF5}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:start}
.contact h2{color:#fff;font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:800;margin:14px 0 18px}
.contact .eyebrow{color:#A9BDD2}
.contact .lead{font-size:1.12rem;max-width:42ch}
.contact .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.contact .btn-light{background:#fff;color:var(--brand)}
.contact .btn-light:hover{background:#E4ECF5}
.cinfo{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);overflow:hidden}
.crow{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.12)}
.crow:last-of-type{border-bottom:0}
.crow .k{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#A9BDD2;padding-top:3px}
.crow .v{color:#fff;font-weight:600;min-width:0;overflow-wrap:anywhere}
.crow .v small{display:block;color:#B9C8D8;font-weight:500;margin-top:2px}
.crow a:hover{text-decoration:underline;text-underline-offset:3px}
.cinfo iframe{display:block;width:100%;height:220px;border:0;filter:grayscale(.3)}

/* rodape */
.footer{background:#0E1820;color:#9AA7B2;font-size:.92rem;padding:48px 0 30px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer img{height:44px;width:auto;margin-bottom:14px}
.footer h4{color:#fff;font-family:var(--f-head);font-size:.95rem;margin:4px 0 12px}
.footer .col a{display:block;padding:3px 0}
.footer a:hover{color:#fff}
.foot-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:.84rem}
.foot-bot a{text-decoration:underline;text-underline-offset:3px}

/* whatsapp flutuante */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;align-items:center;gap:10px;background:var(--wa);color:#fff;font-weight:700;font-size:.95rem;padding:13px 18px 13px 14px;border-radius:999px;transition:background .25s}
.wa-float:hover{background:#187a42}
.wa-float svg{width:24px;height:24px}

/* entrada suave ao rolar */
.rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}*{scroll-behavior:auto}}

/* responsivo */
@media (max-width:1020px){
  .menu,.header .btn{display:none}
  .burger{display:inline-flex}
  .mnav.on{display:block;position:fixed;inset:118px 0 auto 0;z-index:49;background:var(--bg);border-bottom:1px solid var(--line);padding:10px var(--gut) 22px}
  .mnav a{display:block;padding:13px 0;font-weight:700;font-size:1.15rem;border-bottom:1px solid var(--line)}
  .mnav .btn{margin-top:16px;width:100%}
  .hero-grid,.about-grid,.contact-grid,.sec-head{grid-template-columns:1fr}
  .services{grid-template-columns:1fr 1fr}
  .svc.wide{grid-column:span 2}
  .steps{grid-template-columns:1fr 1fr;border-top:0}
  .step,.step+.step{padding:22px 0 0;border-left:0;border-top:2px solid var(--ink)}
  .steps .step:nth-child(even){padding-left:22px}
  .clients .wrap{grid-template-columns:1fr;gap:16px}
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .topbar .tb-r{display:none}
  .header .wrap{height:66px}
  .logo img{height:38px}
  .mnav.on{inset:106px 0 auto 0}
  .mosaic{height:auto;grid-template-columns:1fr 1fr;grid-template-rows:240px 150px}
  .mosaic figure:first-child{grid-row:auto;grid-column:1/3}
  .hero-facts{flex-wrap:wrap}
  .hero-facts div{padding-right:12px}
  .hero-facts div+div{padding-left:12px}
  .hero{padding-bottom:72px}
  .hero-facts strong{font-size:1.3rem}
  .services{grid-template-columns:1fr}
  .svc.wide{grid-column:auto;flex-direction:column}
  .svc.wide .ph{aspect-ratio:16/10}
  .svc.wide .tx{padding:22px 22px 26px}
  .steps{grid-template-columns:1fr}
  .steps .step:nth-child(even){padding-left:0}
  .logos{grid-template-columns:repeat(3,1fr)}
  .gal{grid-auto-rows:170px}
  .gal figure.w{grid-column:span 2}
  .mvv{grid-template-columns:1fr}
  .crow{grid-template-columns:1fr;gap:4px}
  .foot-top{grid-template-columns:1fr}
  .wa-float span{display:none}
  .wa-float{padding:14px}
}