/* =========================================================
   ALTI Comunicação Visual — estilos
   Paleta: navy #091D3D + dourado. Tipografia: Montserrat/Inter.
   ========================================================= */

:root{
  --navy:#091D3D;
  --navy-800:#0c2547;
  --navy-700:#13305c;
  --navy-600:#1b427a;
  --gold:#E3A82B;
  --gold-dark:#C8901C;
  --wa:#25D366;
  --wa-dark:#1da851;
  --ink:#1f2a3a;
  --muted:#5d6b7e;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --line:#e6ebf2;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(9,29,61,.07);
  --shadow:0 14px 40px rgba(9,29,61,.10);
  --shadow-lg:0 26px 60px rgba(9,29,61,.18);
  --maxw:1200px;
  --font-head:'Montserrat',-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  --font-body:'Inter',-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.12;margin:0;color:var(--navy);font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1rem}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.text-gold{color:var(--gold)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:var(--navy);padding:10px 16px;border-radius:0 0 8px 0;z-index:1000;font-weight:700}
.skip-link:focus{left:0}

.eyebrow{display:inline-block;font-family:var(--font-head);font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.eyebrow-dark{color:var(--gold-dark)}

.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(1.8rem,4vw,2.6rem)}
.section-sub{color:var(--muted);font-size:1.05rem;margin-top:14px}

/* ---------------- Botões ---------------- */
.btn{
  --pad:14px 26px;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-head);font-weight:700;font-size:.98rem;
  padding:var(--pad);border-radius:50px;border:2px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn .ico{flex:0 0 auto}
.btn-sm{--pad:9px 18px;font-size:.9rem}
.btn-lg{--pad:17px 34px;font-size:1.05rem}
.btn-whatsapp{background:var(--wa);color:#fff;box-shadow:0 8px 22px rgba(37,211,102,.32)}
.btn-whatsapp:hover{background:var(--wa-dark);box-shadow:0 12px 28px rgba(37,211,102,.4)}
.btn-navy{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.btn-navy:hover{background:var(--navy-700)}
.btn-navy-outline{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-navy-outline:hover{border-color:var(--navy);background:var(--navy);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:#fff;color:var(--navy);border-color:#fff}

/* ---------------- Header ---------------- */
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.97);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center}
.brand-logo{height:46px;width:auto;border-radius:8px}
.main-nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list>li>a{font-family:var(--font-head);font-weight:600;font-size:.96rem;color:var(--navy);padding:10px 14px;border-radius:8px;transition:color .15s,background .15s;position:relative}
.nav-list>li>a:not(.btn):hover{color:var(--gold-dark);background:var(--bg-soft)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{width:26px;height:3px;background:var(--navy);border-radius:3px;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------------- Hero ---------------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:84px 0 130px}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 500px at 78% -10%,rgba(227,168,43,.18),transparent 60%),
    radial-gradient(700px 600px at 0% 110%,rgba(27,66,122,.55),transparent 60%),
    linear-gradient(160deg,#091D3D 0%,#0c264c 55%,#0a1f40 100%);
}
.hero-bg::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.10) 1.4px,transparent 1.4px);
  background-size:24px 24px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{color:#fff;font-size:clamp(2.2rem,4.8vw,3.6rem);font-weight:900;margin:6px 0 18px}
.hero-lead{color:#d4ddec;font-size:1.18rem;max-width:560px;margin-bottom:30px}
.hero-lead strong{color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--gold);line-height:1}
.hero-stats span{font-size:.86rem;color:#aebcce;margin-top:6px}

.hero-visual{position:relative;display:flex;justify-content:center}
.hero-img-frame{position:relative;background:linear-gradient(180deg,#ffffff,#eef2f8);border-radius:24px;padding:26px;box-shadow:var(--shadow-lg);transform:rotate(-2deg);max-width:480px;width:100%}
.hero-img-frame::before{content:"";position:absolute;inset:0;border-radius:24px;border:1px solid rgba(255,255,255,.6)}
.hero-img-frame img{width:100%;height:auto;filter:drop-shadow(0 18px 22px rgba(9,29,61,.28))}
.hero-badge{position:absolute;right:-6px;bottom:-18px;background:var(--gold);color:var(--navy);border-radius:16px;padding:14px 18px;box-shadow:var(--shadow);transform:rotate(3deg);display:flex;flex-direction:column;text-align:center}
.hero-badge-num{font-family:var(--font-head);font-weight:900;font-size:1.5rem;line-height:1}
.hero-badge-txt{font-size:.72rem;font-weight:600;margin-top:4px;line-height:1.25}

/* ---------------- Strip (faixa de confiança) ---------------- */
.strip{background:transparent;margin-top:-66px;position:relative;z-index:3}
.strip-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:22px}
.strip-item{display:flex;align-items:center;gap:12px;padding:10px 14px;font-family:var(--font-head);font-weight:600;font-size:.92rem;color:var(--navy)}
.strip-item .ico{width:30px;height:30px;flex:0 0 auto;color:var(--gold-dark)}
.strip-item+.strip-item{border-left:1px solid var(--line)}

/* ---------------- Sobre ---------------- */
.sobre{padding-top:84px}
.sobre-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.sobre-media{position:relative;padding:10px 24px 24px 10px}
.sobre-img-main{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
.sobre-img-float{position:absolute;right:0;bottom:0;width:42%;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);border:5px solid #fff;background:#fff}
.dots-sobre{position:absolute;top:-14px;left:-14px;width:120px;height:120px;z-index:-1;
  background-image:radial-gradient(var(--navy-600) 2px,transparent 2px);background-size:16px 16px;opacity:.25}
.sobre-copy h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:18px}
.sobre-copy p{color:var(--muted)}
.sobre-points{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin-top:24px}
.sobre-points li{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:600;color:var(--navy);font-size:.96rem}
.check{width:22px;height:22px;flex:0 0 auto;border-radius:50%;background:var(--gold);position:relative}
.check::after{content:"";position:absolute;left:7px;top:4px;width:5px;height:10px;border:solid var(--navy);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}

/* ---------------- Serviços ---------------- */
.servicos{background:var(--bg-soft)}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--gold),var(--gold-dark));transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-ico{width:60px;height:60px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(160deg,rgba(227,168,43,.16),rgba(9,29,61,.06));margin-bottom:20px}
.card-ico svg{width:30px;height:30px;color:var(--navy)}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.98rem;margin:0}
.card--featured{background:linear-gradient(160deg,var(--navy),var(--navy-700));border-color:transparent;box-shadow:var(--shadow)}
.card--featured::before{transform:scaleX(1)}
.card--featured h3{color:#fff}
.card--featured p{color:#cdd7e6}
.card--featured .card-ico{background:rgba(227,168,43,.18)}
.card--featured .card-ico svg{color:var(--gold)}
.card-badge{display:inline-block;background:var(--gold);color:var(--navy);font-family:var(--font-head);font-weight:700;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:50px;margin-bottom:16px}
.servicos-cta{margin-top:48px;display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap;text-align:center}
.servicos-cta p{font-family:var(--font-head);font-weight:600;color:var(--navy);font-size:1.1rem;margin:0}

/* ---------------- Trabalhos / galeria ---------------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.work{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:linear-gradient(180deg,#fff,#eef2f8);border:1px solid var(--line);box-shadow:var(--shadow-sm);cursor:pointer;aspect-ratio:1/1;transition:transform .22s ease,box-shadow .22s ease}
.work img{width:100%;height:100%;object-fit:contain;padding:22px;transition:transform .35s ease}
.work--photo img{object-fit:cover;padding:0}
.work:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.work:hover img{transform:scale(1.05)}
.work figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 16px 14px;color:#fff;font-family:var(--font-head);font-weight:600;font-size:.95rem;
  background:linear-gradient(180deg,transparent,rgba(9,29,61,.88));opacity:0;transform:translateY(8px);transition:opacity .25s,transform .25s}
.work::after{content:attr(data-cat);position:absolute;top:12px;left:12px;background:var(--gold);color:var(--navy);font-family:var(--font-head);font-weight:700;font-size:.72rem;letter-spacing:.03em;padding:5px 10px;border-radius:50px;opacity:0;transform:translateY(-6px);transition:opacity .25s,transform .25s}
.work:hover figcaption,.work:hover::after{opacity:1;transform:none}

/* ---------------- Faixa CTA ---------------- */
.cta-band{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 400px at 90% 120%,rgba(227,168,43,.22),transparent 60%);}
.cta-band-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:64px 24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.3rem)}
.cta-band p{color:#cdd7e6;margin:10px 0 0;max-width:520px}

/* ---------------- Contato ---------------- */
.contato-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:stretch}
.contato-info h2{font-size:clamp(1.8rem,4vw,2.4rem);margin-bottom:6px}
.contato-list{margin:28px 0 30px;display:grid;gap:18px}
.contato-list li{display:flex;gap:16px;align-items:flex-start}
.contato-ico{flex:0 0 auto;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:rgba(9,29,61,.06)}
.contato-ico svg{width:24px;height:24px;color:var(--navy)}
.contato-list strong{display:block;font-family:var(--font-head);color:var(--navy);font-size:.95rem;margin-bottom:2px}
.contato-list a{color:var(--muted);transition:color .15s}
.contato-list a:hover{color:var(--gold-dark)}
.contato-actions{display:flex;gap:14px;flex-wrap:wrap}
.contato-map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;flex-direction:column;min-height:380px}
.map-embed{position:relative;flex:1;min-height:330px;background:var(--bg-soft)}
.map-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;filter:grayscale(.15)}
.map-open{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px;background:var(--navy);color:#fff;font-family:var(--font-head);font-weight:600;font-size:.95rem;transition:background .18s}
.map-open:hover{background:var(--navy-700)}
.map-open svg{color:var(--gold)}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--navy-800);color:#c8d2e1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.3fr;gap:40px;padding:64px 24px 40px}
.footer-logo{height:48px;width:auto;border-radius:8px;margin-bottom:16px}
.footer-brand p{color:#9fb0c6;max-width:320px;font-size:.96rem}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;font-family:var(--font-head)}
.footer-nav ul,.footer-contact ul{display:grid;gap:10px}
.footer-nav a,.footer-contact a{color:#aebccf;transition:color .15s}
.footer-nav a:hover,.footer-contact a:hover{color:var(--gold)}
.footer-contact li{color:#9fb0c6;font-size:.95rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:.84rem;color:#8195ad}
.footer-bottom a{color:#aebccf}
.footer-bottom a:hover{color:var(--gold)}

/* ---------------- WhatsApp flutuante ---------------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:800;width:60px;height:60px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);transition:transform .2s ease;animation:wa-pop .4s ease both}
.wa-float:hover{transform:scale(1.08)}
@keyframes wa-pop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}

/* ---------------- Lightbox ---------------- */
.lightbox{position:fixed;inset:0;z-index:1100;background:rgba(7,18,38,.92);display:flex;align-items:center;justify-content:center;padding:30px;opacity:0;transition:opacity .2s ease}
.lightbox.open{opacity:1}
.lightbox[hidden]{display:none}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:var(--shadow-lg);background:#fff}
.lightbox-close{position:absolute;top:18px;right:24px;background:none;border:0;color:#fff;font-size:2.6rem;line-height:1;cursor:pointer;opacity:.85}
.lightbox-close:hover{opacity:1}

/* ---------------- Reveal (animação ao rolar) ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:46px}
  .hero-visual{order:-1;max-width:420px;margin:0 auto}
  .hero{padding-bottom:110px}
  .sobre-grid{grid-template-columns:1fr;gap:40px}
  .sobre-media{max-width:540px;margin:0 auto}
  .contato-grid{grid-template-columns:1fr;gap:34px}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .strip-inner{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(3){border-left:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:680px){
  body{font-size:16px}
  .section{padding:70px 0}
  .nav-toggle{display:flex;position:relative;z-index:960}
  .nav-list{position:fixed;top:0;right:0;bottom:0;height:100dvh;z-index:940;width:min(82%,330px);flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:90px 22px 30px;box-shadow:-20px 0 50px rgba(9,29,61,.18);overflow-y:auto;
    transform:translateX(100%);transition:transform .3s ease}
  .nav-list.open{transform:none}
  .nav-list>li>a{display:block;padding:14px 16px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav-cta{margin:14px 0 0}
  .nav-cta .btn{width:100%}
  .body-lock{overflow:hidden}
  .hero-stats{gap:24px}
  .hero-stats strong{font-size:1.6rem}
  .cards-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);gap:14px}
  .strip{margin-top:-48px}
  .strip-inner{grid-template-columns:1fr}
  .strip-item+.strip-item{border-left:0;border-top:1px solid var(--line)}
  .strip-item:nth-child(3){border-top:1px solid var(--line)}
  .sobre-points{grid-template-columns:1fr}
  .cta-band-inner{padding:48px 22px;text-align:center;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:48px 24px 30px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
  .wa-float{width:54px;height:54px;right:16px;bottom:16px}
}

@media (max-width:380px){
  .hero-stats{gap:16px}
  .hero-actions .btn{width:100%}
}