/* Chantier · hub  — preto e branco, futurista, abstrato */
@font-face{font-family:"Heros Cn";src:url("../fonts/heros-cn-bold.woff") format("woff");font-weight:700;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-medium.woff") format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"Chantier Mono";src:url("../fonts/mono.woff") format("woff");font-weight:400;font-display:swap}

:root{
  --bg:#000;
  --ink:#F1EFEA;
  --ink-2:rgba(241,239,234,.62);
  --ink-3:rgba(241,239,234,.34);
  --line:rgba(241,239,234,.16);
  --display:"Heros Cn","Arial Narrow",Arial,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Chantier Mono",ui-monospace,Menlo,Consolas,monospace;
  --gut:clamp(16px,4vw,56px);
  --p:#FF5A1F; --s:#2B4BFF; --l:#8C9A3E;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.55 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:700;text-transform:uppercase;letter-spacing:.005em;line-height:.92;margin:0}
p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.dim{color:var(--ink-3)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--bg);padding:10px 14px;font-weight:500;text-decoration:none}
.skip:focus{top:12px}
:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.mark{display:block}

/* grão de papel por cima de tudo */
.grain{position:fixed;inset:-50%;z-index:60;pointer-events:none;opacity:.10;background:url("../img/grain.png") repeat;background-size:256px 256px}

/* ───────── topo ───────── */
.top{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px var(--gut);color:var(--ink);transition:background .4s}
.top.solid{background:linear-gradient(#000 0%,rgba(0,0,0,.86) 60%,rgba(0,0,0,0))}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 20px/1 var(--display);letter-spacing:.08em}
.brand .mark{width:26px;height:26px}
.nav{display:flex;gap:clamp(14px,3vw,36px)}
.nav a{white-space:nowrap;font:12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;padding:8px 0;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.nav a:hover::after,.nav a:focus-visible::after{transform:scaleX(1)}

/* ───────── vórtice ───────── */
.hero{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;display:grid}
.vortex{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:22%;background:linear-gradient(transparent,#000);pointer-events:none}
.hero::before{content:"";position:absolute;left:0;bottom:0;width:min(760px,100%);height:72%;background:radial-gradient(ellipse at 0% 100%,rgba(0,0,0,.92) 0%,rgba(0,0,0,.7) 38%,transparent 70%);pointer-events:none;z-index:1}
.hero-eye{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:var(--eye);height:var(--eye);--eye:clamp(150px,26vmin,280px);border:1.5px solid var(--ink);border-radius:50%;display:grid;place-items:center;background:var(--bg);z-index:2}
.hero-eye .mark{width:58%;height:58%;color:var(--ink)}
.def{position:absolute;top:84px;left:var(--gut);line-height:1.9;color:var(--ink-2);max-width:440px;z-index:2;background:rgba(0,0,0,.78);padding:8px 12px 8px 0;box-shadow:-40px 0 0 rgba(0,0,0,.78)}
.def span:first-child{color:var(--ink)}
.hero-copy{position:absolute;left:var(--gut);bottom:clamp(28px,6vh,64px);max-width:min(620px,calc(100% - 2*var(--gut)));z-index:2}
.hero-copy h1{font-size:clamp(46px,7.4vw,112px);text-shadow:0 0 30px #000,0 0 12px #000}
.lead{margin-top:18px;max-width:440px;color:var(--ink-2);text-shadow:0 0 14px #000}
.cue{position:absolute;right:var(--gut);bottom:clamp(28px,6vh,64px);display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink-2);z-index:2}
.cue i{font-style:normal;display:inline-block;transform:rotate(90deg);animation:bob 2.4s ease-in-out infinite}
.cue:hover{color:var(--ink)}
@keyframes bob{50%{transform:rotate(90deg) translateX(6px)}}

/* ───────── manifesto ───────── */
.manifesto{padding:clamp(110px,18vh,200px) var(--gut);max-width:1280px;margin:0 auto}
.tag{color:var(--ink-3);margin-bottom:28px;display:flex;align-items:center;gap:12px}
.tag::before{content:"";width:28px;height:1px;background:currentColor}
.manifesto-text{font:500 clamp(26px,3.6vw,52px)/1.18 var(--body);letter-spacing:-.02em}
.js .manifesto-text .w{opacity:.14;transition:opacity .5s ease}
.js .manifesto-text .w.on{opacity:1}

/* ───────── ciclo ───────── */
.ciclo{position:relative;border-top:1px solid var(--line)}
.stage{display:none}
.js .stage{display:block;position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.stage canvas{position:absolute;inset:0;width:100%;height:100%}
.hud{position:absolute;right:var(--gut);top:84px;display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.hud-c{display:flex;align-items:baseline;gap:8px}
.hud-n{font-size:28px;color:var(--ink);letter-spacing:.06em}
.ticks{display:flex;gap:6px}
.ticks li{width:22px;height:3px;background:var(--line);transition:background .4s}
.ticks li.on{background:var(--ink)}
.acts{position:relative}
.act{padding:80px var(--gut);max-width:520px}
.act-n{color:var(--ink-3);margin-bottom:18px}
.act h3{font-size:clamp(44px,5.2vw,84px);margin-bottom:22px}
.act p:last-child{color:var(--ink-2);font-size:18px;max-width:400px}
.js .acts{margin-top:-100vh;margin-top:-100svh}
.js .act{height:100vh;height:100svh;display:flex;flex-direction:column;justify-content:center;opacity:.12;transition:opacity .6s ease}
.js .act.on{opacity:1}
@media (max-width:760px){
  .js .act{justify-content:flex-end;padding-bottom:12vh;max-width:none}
  .js .act h3{font-size:clamp(40px,12vw,64px)}
  .js .act p:last-child{font-size:16px}
  .js .act::before{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(transparent,#000 40%);z-index:-1}
  .js .act{position:relative;z-index:1}
  .hud{display:none}
  .cue{display:none}
  .hero::before{width:100%;height:48%;background:linear-gradient(transparent,rgba(0,0,0,.9) 40%)}
}
@media (max-width:440px){.nav a:first-child{display:none}}

/* ───────── empresas ───────── */
.empresas{padding:clamp(110px,16vh,180px) var(--gut);border-top:1px solid var(--line)}
.sec-head{max-width:1280px;margin:0 auto 64px}
.sec-head h2,.contato h2{font-size:clamp(48px,8vw,128px)}
.sec-lead{margin-top:22px;color:var(--ink-2);max-width:460px}
.fronts{max-width:1280px;margin:0 auto;border-top:1px solid var(--line)}
.fronts li{border-bottom:1px solid var(--line)}
.front{--acc:var(--ink);display:grid;grid-template-columns:48px 72px 1fr auto;align-items:center;gap:clamp(16px,3vw,40px);padding:clamp(26px,4vw,44px) 8px;text-decoration:none;position:relative;isolation:isolate;transition:color .45s ease}
.front[data-f="p"]{--acc:var(--p)}
.front[data-f="s"]{--acc:var(--s)}
.front[data-f="l"]{--acc:var(--l)}
.front::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);transform:scaleY(0);transform-origin:bottom;transition:transform .5s cubic-bezier(.7,0,.2,1)}
.front-n{color:var(--ink-3)}
.front .mark{width:64px;height:64px}
.front .blk{fill:var(--acc);transition:transform .5s cubic-bezier(.7,0,.2,1);transform-box:fill-box}
.front-name{display:block;font:700 clamp(30px,4.6vw,64px)/.95 var(--display);text-transform:uppercase}
.front-desc{display:block;margin-top:10px;color:var(--ink-2);max-width:560px;font-size:16px;transition:color .45s}
.front-go{display:flex;gap:10px;align-items:center;white-space:nowrap}
.front-go i{font-style:normal;transition:transform .4s}
.front:hover,.front:focus-visible{color:var(--bg)}
.front:hover::before,.front:focus-visible::before{transform:scaleY(1)}
.front:hover .front-desc,.front:focus-visible .front-desc,.front:hover .front-n,.front:focus-visible .front-n{color:rgba(0,0,0,.6)}
.front:hover .blk,.front:focus-visible .blk{transform:translateX(-14%)}
.front:hover .front-go i,.front:focus-visible .front-go i{transform:translateX(6px)}
@media (max-width:760px){
  .front{grid-template-columns:44px 1fr;row-gap:14px}
  .front-n{display:none}
  .front .mark{width:44px;height:44px}
  .front-go{grid-column:2}
}

/* ───────── contato ───────── */
.contato{padding:clamp(110px,16vh,180px) var(--gut);border-top:1px solid var(--line);max-width:calc(1280px + 2*var(--gut));margin:0 auto}
.links{display:flex;flex-wrap:wrap;gap:14px;margin-top:48px}
.btn{display:inline-flex;flex-direction:column;gap:6px;padding:18px 26px;background:var(--ink);color:var(--bg);text-decoration:none;font:700 22px/1 var(--display);text-transform:uppercase;letter-spacing:.04em;border:1.5px solid var(--ink);transition:background .3s,color .3s}
.btn .mono{font-size:11px;letter-spacing:.1em;text-transform:none;opacity:.7}
.btn:hover{background:var(--bg);color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--bg)}
.ig{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:40px}
.ig a{text-decoration:none;color:var(--ink-2);border-bottom:1px solid var(--line);padding-bottom:4px;text-transform:none;letter-spacing:.06em;font-size:13px}
.ig a:hover{color:var(--ink);border-color:var(--ink)}

/* ───────── rodapé ───────── */
.foot{border-top:1px solid var(--line);padding:40px var(--gut) 48px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px}
.foot .mark{width:22px;height:22px}
.foot p:last-child{margin-left:auto}
@media (max-width:760px){.foot p:last-child{margin-left:0}.def{top:76px;font-size:11px}.nav{gap:16px}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}

/* ───────── 404 ───────── */
.nf-main{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:64px var(--gut);max-width:900px}
.nf-mark{width:88px;height:88px;margin-bottom:48px}
.nf-blk{transform:translate(10px,26px) rotate(14deg);transform-box:fill-box;transform-origin:left bottom}
.nf-main h1{font-size:clamp(52px,9vw,120px);margin-bottom:22px}
.nf-main .lead{margin:0 0 36px}
.nf-main .btn{align-self:flex-start}