:root{
  --ink:#0E1A1D;--petrol:#0B5563;--petrol-2:#14919B;--accent:#1FB8A0;
  --paper:#FFFFFF;--mist:#EFF4F4;--line:#D5E0E0;--muted:#5C7378;
  --body:'ArialNova',Arial,sans-serif;--display:'Ethnocentric',sans-serif;--head:'Conthrax',sans-serif;
}

/* Barra de rolagem na cor da marca (discreta) */
html{scrollbar-width:thin;scrollbar-color:var(--petrol-2) transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--petrol-2);border-radius:100px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:var(--petrol);border:2px solid transparent;background-clip:padding-box}

*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 2.5rem}
h1,h2,h3,h4{font-family:var(--head);font-weight:400}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* NAV */
nav{position:fixed;inset:0 0 auto 0;z-index:1000;background:rgba(14,26,29,0);transition:background .35s,border-color .35s;border-bottom:1px solid transparent}
nav.scrolled{background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom-color:var(--line)}
.nav-in{max-width:1240px;margin:0 auto;padding:1.05rem 2.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-logo img{height:38px;filter:brightness(0) invert(1);transition:filter .35s}
nav.scrolled .nav-logo img{filter:none}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#fff;transition:color .35s}
nav.scrolled .nav-links a{color:var(--ink)}
.nav-links a:not(.navcta) span{border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .3s}
.nav-links a:hover span{border-color:currentColor}
.navcta{background:var(--accent);color:var(--ink)!important;padding:.7rem 1.3rem;border-radius:3px;transition:background .3s}
nav.scrolled .navcta{background:var(--ink);color:#fff!important}
.navcta:hover{background:var(--petrol)!important;color:#fff!important}
.nav-tog{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.nav-tog span{width:25px;height:2px;background:#fff;display:block;transition:background .35s}
nav.scrolled .nav-tog span{background:var(--ink)}

/* HERO */
.phero{position:relative;min-height:72vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink)}
.phero-slides{position:absolute;inset:0;z-index:0}
.phero-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.07);transition:opacity 1.8s ease,transform 8s linear}
.phero-slide.on{opacity:1;transform:scale(1)}
.phero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(70% 60% at 15% 40%,rgba(31,184,160,.16),transparent 60%)}
.phero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(110deg,rgba(8,18,21,.9) 0%,rgba(8,21,25,.74) 42%,rgba(11,85,99,.5) 100%)}
.phero-in{position:relative;z-index:2;width:100%;padding:9rem 0 4rem}
.phero .crumb{font-family:var(--head);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:1.6rem}
.phero .crumb a:hover{color:var(--accent)}
.phero .crumb b{color:var(--accent);font-weight:400}
.phero h1{font-family:var(--display);font-size:clamp(1.6rem,4.4vw,3.9rem);line-height:1.14;letter-spacing:-.02em;color:#fff;max-width:20ch}
.phero h1 .hl{color:var(--accent)}
.phero .lead{margin-top:1.6rem;font-size:1.08rem;color:rgba(255,255,255,.8);line-height:1.75;max-width:56ch}
.phero-strip{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.14);margin-top:3rem;padding-top:1.2rem;display:flex;gap:2.5rem;flex-wrap:wrap;font-family:var(--head);font-size:.72rem;letter-spacing:.04em;color:rgba(255,255,255,.7)}
.phero-strip b{color:var(--accent);font-weight:400}

/* FILTER BAR */
.fbar{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.fbar-in{max-width:1240px;margin:0 auto;padding:1rem 2.5rem;display:flex;align-items:center;gap:1.6rem;flex-wrap:wrap}
.fbar .lbl{font-family:var(--head);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.filters{display:flex;gap:.5rem;flex-wrap:wrap}
.filters button{font-family:var(--head);font-size:.76rem;letter-spacing:.02em;color:var(--muted);background:none;border:1px solid var(--line);padding:.5rem 1rem;border-radius:100px;cursor:pointer;transition:all .25s}
.filters button.active,.filters button:hover{color:#fff;background:var(--ink);border-color:var(--ink)}
.fcount{margin-left:auto;font-family:var(--head);font-size:.72rem;color:var(--petrol-2);white-space:nowrap}

/* CASE INDEX (sheet index rail) */
.sheet-index{position:fixed;left:1.4rem;top:50%;transform:translateY(-50%) translateX(-8px);z-index:800;display:flex;flex-direction:column;gap:.55rem;opacity:0;visibility:hidden;transition:opacity .45s,transform .45s,visibility .45s}
.sheet-index.show{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.sheet-index a{display:flex;align-items:center;gap:.55rem;font-family:var(--head);font-size:.62rem;letter-spacing:.06em;color:var(--muted);opacity:.55;transition:opacity .3s,color .3s}
.sheet-index a .tick{width:14px;height:1px;background:currentColor;transition:width .3s}
.sheet-index a .nm{max-width:0;overflow:hidden;white-space:nowrap;transition:max-width .4s}
.sheet-index a.on{opacity:1;color:var(--petrol)}
.sheet-index a.on .tick{width:26px;background:var(--accent)}
.sheet-index a:hover .nm,.sheet-index a.on .nm{max-width:160px}
.sheet-index a.hidden{display:none}
@media(max-width:1320px){.sheet-index{display:none}}

/* CASES */
.cases{padding:5rem 0 2rem}
.cases-head{margin-bottom:3.5rem;max-width:64ch}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--display);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--petrol-2);margin-bottom:1.1rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent)}
.s-title{font-family:var(--head);font-size:clamp(1.7rem,3.3vw,2.5rem);letter-spacing:-.01em;line-height:1.15}
.cases-head p{margin-top:1.2rem;color:#2a3c40;font-size:1.04rem;line-height:1.8}

.case{display:grid;grid-template-columns:1.02fr .98fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;margin-bottom:2.8rem;transition:box-shadow .4s}
.case:hover{box-shadow:0 24px 60px rgba(11,85,99,.1)}
.case.hidden{display:none}
.case-img{position:relative;min-height:420px;overflow:hidden;background:linear-gradient(135deg,var(--mist),#dde9e9)}
.case-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.16,.7,.2,1)}
.case:hover .case-img img{transform:scale(1.04)}
.case:nth-child(even) .case-img{order:2}
.case-num{position:absolute;left:1.3rem;top:1.2rem;font-family:var(--display);font-size:.8rem;color:#fff;background:rgba(8,20,23,.55);backdrop-filter:blur(4px);padding:.45rem .85rem;border-radius:3px;letter-spacing:.06em}
.case-num b{color:var(--accent);font-weight:400}
.case-award{position:absolute;left:1.3rem;bottom:1.2rem;font-family:var(--head);font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink);background:var(--accent);padding:.45rem .9rem;border-radius:100px}
.case-body{padding:2.8rem 3rem;display:flex;flex-direction:column}
.case-tag{font-family:var(--head);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--petrol-2);display:flex;align-items:center;gap:.6rem;margin-bottom:1rem}
.case-tag::before{content:"";width:22px;height:2px;background:var(--accent)}
.case-body h3{font-family:var(--head);font-size:clamp(1.35rem,2.2vw,1.8rem);letter-spacing:-.01em;line-height:1.15}
.case-loc{font-size:.9rem;color:var(--muted);margin-top:.4rem}
.case-txt{margin-top:1.5rem;display:grid;gap:1.1rem}
.case-txt h5{font-family:var(--head);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--petrol);margin-bottom:.3rem}
.case-txt p{font-size:.95rem;line-height:1.75;color:#2a3c40}
.case-disc{margin-top:1.6rem;display:flex;gap:.45rem;flex-wrap:wrap}
.case-disc span{font-family:var(--head);font-size:.66rem;letter-spacing:.03em;color:var(--petrol);background:var(--mist);border:1px solid var(--line);padding:.35rem .75rem;border-radius:100px}
.case-meta{margin-top:auto;padding-top:1.6rem;display:grid;grid-template-columns:repeat(3,auto);gap:2rem;border-top:1px solid var(--line);margin-top:1.8rem}
.case-meta .mi .k{font-family:var(--head);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.case-meta .mi .v{font-family:var(--head);font-size:1rem;color:var(--petrol);margin-top:.25rem;line-height:1.35}
.case-meta .mi .v.big{font-family:var(--display);font-size:1.3rem;color:var(--ink)}
.case-meta .mi .v.big em{font-style:normal;font-family:var(--head);font-size:.75rem;color:var(--petrol-2)}

/* NUMBERS BAND */
.band{background:var(--ink);color:#fff;padding:5.5rem 0;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(55% 75% at 85% 50%,rgba(31,184,160,.12),transparent 60%)}
.band .wrap{position:relative;z-index:2}
.band .eyebrow{color:var(--accent)}
.band h2{font-family:var(--head);font-size:clamp(1.6rem,3vw,2.3rem);color:#fff;max-width:24ch;line-height:1.2}
.band h2 .hl{color:var(--accent)}
.band-grid{margin-top:3rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:8px;overflow:hidden}
.bstat{background:var(--ink);padding:2.2rem 1.8rem}
.bstat .n{font-family:var(--display);font-size:2.1rem;line-height:1}
.bstat .n em{font-style:normal;color:var(--accent)}
.bstat .l{margin-top:.7rem;font-family:var(--head);font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;color:rgba(255,255,255,.6);line-height:1.5}
.band .note{margin-top:1.6rem;font-size:.88rem;color:rgba(255,255,255,.55);max-width:70ch}

/* CREDIBILITY */
.cred{padding:6.5rem 0;background:var(--mist);border-top:1px solid var(--line)}
.cred-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:3rem}
.ccard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:2.2rem;transition:transform .35s,box-shadow .35s}
.ccard:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,85,99,.1)}
.ccard .ic{font-family:var(--display);font-size:1rem;color:var(--accent);margin-bottom:1rem}
.ccard h4{font-family:var(--head);font-size:1.12rem;color:var(--petrol);line-height:1.3}
.ccard p{margin-top:.7rem;font-size:.92rem;color:#3a4d51;line-height:1.7}
.ccard .chips{margin-top:1.1rem;display:flex;gap:.45rem;flex-wrap:wrap}
.ccard .chips span{font-family:var(--head);font-size:.68rem;color:var(--petrol);background:var(--mist);border:1px solid var(--line);padding:.35rem .8rem;border-radius:100px}

/* PARTNER MARQUEE */
.clients{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:4.5rem 0}
.clients .lbl{text-align:center;font-family:var(--display);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--petrol-2);margin-bottom:2.5rem}
.marquee{position:relative;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)}
.marquee+.marquee{margin-top:1.1rem}
.mtrack{display:flex;gap:1.1rem;width:max-content;animation:scroll 38s linear infinite}
.marquee.rev .mtrack{animation-direction:reverse}
.marquee:hover .mtrack{animation-play-state:paused}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.logo{display:flex;align-items:center;justify-content:center;height:64px;padding:0 1.6rem;border:1px solid var(--line);border-radius:8px;background:#fff;flex:0 0 auto;transition:all .3s}
.logo img{height:40px;width:auto;opacity:.9}
.logo:hover{border-color:var(--accent)}

/* 3D VIEWER */
.viz{padding:6rem 0}
.embed{position:relative;margin-top:2.6rem;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--ink);box-shadow:0 24px 60px rgba(11,85,99,.18);border:1px solid var(--line)}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.embed-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;background:var(--ink);transition:opacity .6s;pointer-events:none}
.embed-loading.off{opacity:0}
.el-spin{width:34px;height:34px;border:3px solid rgba(255,255,255,.18);border-top-color:var(--accent);border-radius:50%;animation:elspin 1s linear infinite}
@keyframes elspin{to{transform:rotate(360deg)}}
.el-txt{font-family:var(--head);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.6)}
.embed-cap{margin-top:1rem;font-family:var(--head);font-size:.72rem;letter-spacing:.02em;color:var(--muted);line-height:1.6;max-width:70ch}
@media(max-width:680px){
  .phero-strip{flex-direction:column;gap:.7rem;flex-wrap:nowrap}
  .phero-strip span{white-space:normal}
.embed{aspect-ratio:4/5}}

/* SEGURANÇA & LGPD */
.sec-lgpd{padding:6rem 0;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.sec-lgpd::before{content:"";position:absolute;inset:0;background:radial-gradient(55% 75% at 12% 30%,rgba(31,184,160,.12),transparent 60%)}
.sec-lgpd .wrap{position:relative;z-index:2}
.lgpd-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.lgpd-list{display:grid;gap:1.1rem}
.lg-item{border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:1.5rem 1.6rem;transition:border-color .35s,background .35s}
.lg-item:hover{border-color:var(--accent);background:rgba(255,255,255,.03)}
.lg-k{font-family:var(--head);font-size:1.02rem;color:#fff;letter-spacing:-.01em;display:flex;align-items:center;gap:.7rem}
.lg-k::before{content:"";width:9px;height:9px;background:var(--accent);transform:rotate(45deg);flex:0 0 auto}
.lg-v{margin-top:.6rem;font-size:.92rem;color:rgba(255,255,255,.7);line-height:1.7;padding-left:1.4rem}
@media(max-width:980px){.lgpd-grid{grid-template-columns:1fr;gap:2.5rem}}
@media(max-width:680px){.viz{padding:4rem 0}.sec-lgpd{padding:4rem 0}}

/* CTA */
.contact{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:7rem 0}
.contact::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 80% 50%,rgba(31,184,160,.12),transparent 60%)}
.c-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:2}
.contact h2{font-family:var(--display);font-size:clamp(1.8rem,3.6vw,2.9rem);line-height:1.1}
.contact h2 .hl{color:var(--accent)}
.contact .sub{margin-top:1.2rem;color:rgba(255,255,255,.72);font-size:1.05rem;max-width:42ch}
.c-btn{display:inline-block;margin-top:1.8rem;background:var(--accent);color:var(--ink);padding:1.1rem 2.3rem;border-radius:3px;font-family:var(--head);font-size:.84rem;letter-spacing:.02em;transition:all .3s}
.c-btn:hover{background:#fff}
.c-info{display:grid;gap:1.5rem}
.ci{border-left:2px solid var(--accent);padding-left:1.2rem}
.ci .lbl{font-family:var(--head);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:.4rem}
.ci .v{font-size:1.05rem;line-height:1.5}
.ci .v a:hover{color:var(--accent)}

footer{background:#081417;color:rgba(255,255,255,.5);padding:2.6rem 0}
.f-in{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap;font-size:.82rem}
.f-in img{height:30px;filter:brightness(0) invert(1);opacity:.85}

/* reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.16,.7,.2,1),transform .9s cubic-bezier(.16,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.case .case-img{clip-path:inset(0 0 100% 0);transition:clip-path 1s cubic-bezier(.16,.7,.2,1) .1s}
.case.in .case-img{clip-path:inset(0 0 0 0)}

@media(max-width:980px){
  .case{grid-template-columns:1fr}
  .case:nth-child(even) .case-img{order:0}
  .case-img{min-height:0;aspect-ratio:16/10}
  .case-award{left:1rem;right:1rem;bottom:1rem;font-size:.6rem;text-align:center;white-space:normal;line-height:1.45}
  .case-body{padding:2rem 1.8rem 2.2rem}
  .case-meta{grid-template-columns:1fr 1fr;gap:1.2rem}
  .band-grid{grid-template-columns:1fr 1fr}
  .cred-grid,.viz-in,.c-grid{grid-template-columns:1fr;gap:2.5rem}
}
@media(max-width:680px){
  .nav-links{display:none}.nav-links.open{display:flex;position:fixed;inset:0;background:var(--ink);flex-direction:column;justify-content:center;align-items:center;gap:1.6rem}
  .nav-links.open a{color:#fff!important}.nav-tog{display:flex}
  .wrap{padding:0 1.4rem}.fbar-in{padding:.9rem 1.4rem}
  .cases{padding:3.5rem 0 1rem}.cred,.viz,.contact{padding:4.5rem 0}
  .band-grid{grid-template-columns:1fr}
  .fcount{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.case .case-img{clip-path:none}.mtrack{animation:none!important}}

/* Botão flutuante de WhatsApp */
.wa-float{position:fixed;right:1.2rem;bottom:1.2rem;z-index:950;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .25s,box-shadow .25s}
.wa-float:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 12px 30px rgba(0,0,0,.3)}
.wa-float svg{width:30px;height:30px;fill:#fff}
@media(max-width:680px){.wa-float{width:52px;height:52px;right:1rem;bottom:1rem}}
.case-perma{display:inline-block;margin-top:.7rem;font-family:var(--head);font-size:.72rem;color:var(--petrol);border-bottom:1px solid var(--accent);padding-bottom:2px}.case-perma:hover{color:var(--accent)}

.art-hero{background:var(--ink);padding:8rem 0 3rem}
.art-hero .crumbs{font-family:var(--head);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:1.2rem}
.art-hero .crumbs a:hover{color:var(--accent)}
.art-hero h1{font-family:var(--head);font-size:clamp(1.5rem,3.4vw,2.5rem);color:#fff;letter-spacing:-.01em;line-height:1.2;max-width:26ch}
.art-body{padding:4rem 0 5rem}
.art-body .wrap{max-width:820px}
.art-body p{font-size:1.05rem;line-height:1.9;color:#22343a;margin-bottom:1.4rem}
.art-body h2{font-family:var(--head);font-size:1.4rem;color:var(--petrol);margin:2.4rem 0 1rem;letter-spacing:-.01em}
.art-body a{color:var(--petrol);border-bottom:1px solid var(--accent)}
.art-body a:hover{color:var(--accent)}
.art-back{display:inline-block;margin-top:2.5rem;font-family:var(--head);font-size:.8rem;color:var(--petrol)}