/* ═══════════════════════════════════════════════════════════
   STRATO AI — cores amostradas do vídeo da hero
   preto profundo · grafite · azul Strato · azul bebê · branco
   ═══════════════════════════════════════════════════════════ */
:root{
  /* Claro por padrão. O escuro é ilha: hero (o vídeo pede) e uma faixa
     de contraste. Grafite no lugar de preto — preto puro só no vídeo.   */
  --paper:#F7F8FA;         /* papel — fundo dominante */
  --paper-2:#FFFFFF;       /* cartões e superfícies elevadas */
  --paper-3:#EDF0F5;       /* faixas alternadas */
  --ink:#0E1219;           /* grafite — o texto, nunca preto puro */
  --ink-2:#414C5C;         /* texto de apoio */
  --ink-3:#6B7686;         /* texto terciário */
  --rule:rgba(14,18,25,.16);
  --rule-2:rgba(14,18,25,.07);

  --void:#04060C;          /* preto profundo — só dentro do vídeo */
  --graphite:#0E1219;      /* grafite da estrutura */
  --graphite-2:#161B24;
  --blue:#3B82F6;          /* azul Strato */
  --blue-deep:#2563EB;
  --baby:#7DD3FC;          /* azul bebê — os feixes de dados */
  --cyan:#22D3EE;          /* ciano de destaque da marca */
  --ice:#DBEAFE;           /* branco azulado do núcleo */
  --white:#F4F7FB;
  --muted:#8A94A6;
  --line:rgba(37,99,235,.18);
  --line-dark:rgba(125,211,252,.14);

  --display:'Sora',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --gut:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--paper);-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--ink);font-family:var(--body);
  font-size:16px;line-height:1.6;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.03}
em{font-style:normal}

/* ══════════ LOADER ══════════ */
#loader{display:none}
.js-on #loader{
  position:fixed;inset:0;z-index:200;background:var(--void);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .7s var(--ease),visibility .7s;
}
#loader.done{opacity:0;visibility:hidden}
.loader-mark{display:flex;gap:5px}
.loader-mark span{
  width:3px;height:30px;background:linear-gradient(180deg,transparent,var(--baby),transparent);
  animation:pulse 1.3s var(--ease) infinite;
}
.loader-mark span:nth-child(2){animation-delay:.16s}
.loader-mark span:nth-child(3){animation-delay:.32s}
@keyframes pulse{0%,100%{opacity:.18;transform:scaleY(.5)}50%{opacity:1;transform:scaleY(1)}}
.loader-track{width:min(240px,52vw);height:1px;background:rgba(125,211,252,.16);overflow:hidden}
#loader-bar{width:0;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .25s linear}
.loader-meta{
  width:min(240px,52vw);display:flex;justify-content:space-between;
  font:500 9px/1 var(--mono);letter-spacing:.22em;color:var(--muted);
}

/* ══════════ HEADER ══════════ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:14px var(--gut);
  background:rgba(247,248,250,.92);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--rule);color:var(--ink);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.shrunk{padding:9px var(--gut);box-shadow:0 8px 30px rgba(14,18,25,.07)}
/* menu ativo e estados */
.hdr-nav{color:var(--ink-2)}
.hdr-nav a{position:relative;padding:6px 0}
.hdr-nav a.hdr-cta{padding:10px 18px;white-space:nowrap}
.hdr-nav a:not(.hdr-cta):after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;
  background:var(--blue-deep);transition:right .28s var(--ease);
}
.hdr-nav a:not(.hdr-cta):hover{color:var(--ink)}
.hdr-nav a:not(.hdr-cta):hover:after{right:0}
.hdr-cta{
  border:1px solid transparent!important;
  background:linear-gradient(96deg,var(--blue-deep),#0891B2)!important;
  color:#fff!important;font-weight:600;
  box-shadow:0 6px 20px rgba(37,99,235,.24);
}
.hdr-cta:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(37,99,235,.32)}

/* menu do celular */
.hdr-burger{
  display:none;width:40px;height:40px;border:1px solid var(--rule);background:var(--paper-2);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.hdr-burger i{display:block;width:17px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s}
.hdr-burger[aria-expanded="true"] i:first-child{transform:translateY(3.2px) rotate(45deg)}
.hdr-burger[aria-expanded="true"] i:last-child{transform:translateY(-3.2px) rotate(-45deg)}
.hdr-brand{display:flex;align-items:center;gap:9px}
.hdr-logo{width:30px;height:30px;flex:none}
.hdr-word{font-family:var(--display);font-weight:700;font-size:16px;letter-spacing:-.02em;color:var(--ink)}
.hdr-word i{font-style:normal;color:var(--cyan);margin-left:2px}
.hdr-nav{display:flex;align-items:center;gap:clamp(16px,2.2vw,30px);font-size:13.5px;font-weight:500}
.hdr-nav a{transition:color .25s}
.hdr-nav a:hover{color:var(--white)}
.hdr-cta{
  padding:9px 16px;border:1px solid var(--line);border-radius:999px;color:var(--white)!important;
  font-size:12.5px;transition:border-color .25s,background .25s;
}
.hdr-cta:hover{border-color:var(--cyan);background:rgba(34,211,238,.09)}
@media(max-width:960px){
  .hdr-burger{display:flex}
  .hdr-nav{
    position:fixed;inset:57px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--rule);
    padding:8px var(--gut) 18px;
    clip-path:inset(0 0 100% 0);transition:clip-path .4s var(--ease);
  }
  .hdr-nav.open{clip-path:inset(0 0 0 0)}
  .hdr-nav a{padding:15px 0;border-bottom:1px solid var(--rule-2);font-size:15px}
  .hdr-nav a:not(.hdr-cta):after{display:none}
  .hdr-cta{margin-top:14px;text-align:center;justify-content:center;border-radius:999px}
}

/* ══════════ HERO ══════════ */
/* A cena é fixa e atravessa a narrativa inteira. Só o CONTEÚDO da hero sai
   de cena — o vídeo/canvas continuam atrás dos capítulos.                  */
.hero{position:fixed;inset:0;height:100svh;z-index:1;overflow:hidden;isolation:isolate}
.hero-content,.hero-logo,.scroll-cue{will-change:opacity,transform}
.layer{position:absolute;inset:0}

.layer-bg{
  background:
    radial-gradient(120% 90% at 68% 45%,rgba(59,130,246,.10),transparent 62%),
    linear-gradient(180deg,#04060C,#070A12 55%,#04060C);
  z-index:1;
}

/* vídeo — ambiente, não banner */
.layer-video{z-index:2}
.layer-video video{
  width:100%;height:100%;object-fit:cover;object-position:62% 50%;
  transition:opacity 1.1s var(--ease);
}
.js-on .layer-video video{opacity:0}
.layer-video video.visible{opacity:1}

/* canvas de frames — assume durante o scroll */
.layer-canvas{z-index:3;opacity:0;pointer-events:none}
#frames-canvas{width:100%;height:100%}

.layer-particles{z-index:4;pointer-events:none}

/* máscaras de legibilidade — protegem o texto sem matar o vídeo */
.layer-scrim{
  z-index:5;pointer-events:none;
  background:linear-gradient(100deg,
    rgba(4,6,12,.94) 0%,
    rgba(4,6,12,.88) 22%,
    rgba(4,6,12,.55) 42%,
    rgba(4,6,12,.12) 62%,
    transparent 78%);
  opacity:.55;transition:opacity .6s linear;
}
.layer-vignette{
  z-index:6;pointer-events:none;
  background:
    radial-gradient(130% 100% at 50% 50%,transparent 42%,rgba(4,6,12,.7) 100%),
    linear-gradient(180deg,rgba(4,6,12,.75),transparent 26%,transparent 72%,rgba(4,6,12,.9));
}

/* ── marca ── */
.hero-logo{
  position:absolute;z-index:8;left:var(--gut);top:clamp(104px,14vh,142px);
  display:flex;align-items:center;gap:14px;
}
.hero-logo .mark{width:clamp(52px,6vw,72px);height:auto;overflow:visible}
.js-on .wordmark{opacity:0;transform:translateX(-10px);filter:blur(6px)}
.js-on .hero-logo .draw-rect,.js-on .hero-logo .draw-line{
  stroke-dasharray:var(--len,240);stroke-dashoffset:var(--len,240);
}
.wordmark{
  font-family:var(--display);font-weight:800;letter-spacing:-.035em;
  font-size:clamp(26px,3.2vw,38px);
  transition:opacity .9s var(--ease),transform .9s var(--ease),filter .9s var(--ease);
}
.wordmark.in{opacity:1;transform:none;filter:blur(0)}
.wordmark i{font-style:normal;color:var(--cyan);margin-left:3px}

/* ── conteúdo, no espaço negativo à esquerda ── */
.hero-content{
  position:absolute;z-index:9;left:var(--gut);bottom:clamp(86px,17vh,168px);
  width:min(46vw,620px);
}
.eyebrow{
  display:flex;align-items:center;gap:9px;
  font:600 10px/1 var(--mono);letter-spacing:.3em;color:var(--baby);
}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.headline{margin-top:18px;font-size:clamp(2.6rem,5.4vw,5rem)}
.headline .ln{display:block;overflow:hidden}
.headline .ln>span{display:block}
.js-on .headline .ln>span{transform:translateY(105%)}
.headline em{
  background:linear-gradient(96deg,var(--baby),var(--cyan) 55%,var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.support{
  margin-top:22px;max-width:46ch;color:#A9B4C6;font-size:clamp(14.5px,1.15vw,16.5px);line-height:1.68;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 24px;border-radius:999px;font-size:14px;font-weight:600;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s,border-color .3s;
}
.btn svg{width:17px;height:17px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{
  background:linear-gradient(96deg,var(--blue-deep),var(--cyan));color:#04121A;
  box-shadow:0 8px 34px rgba(34,211,238,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(34,211,238,.36)}
/* claro por padrão — o site é claro */
.btn-ghost{border:1px solid var(--rule);color:var(--ink);background:var(--paper-2)}
.btn-ghost:hover{border-color:var(--blue-deep);background:rgba(37,99,235,.07)}
/* branco só onde o fundo é escuro de verdade */
.hero .btn-ghost,.cta-band .btn-ghost{
  border-color:rgba(255,255,255,.24);color:var(--white);
  background:rgba(255,255,255,.06);backdrop-filter:blur(8px);
}
.hero .btn-ghost:hover,.cta-band .btn-ghost:hover{border-color:var(--baby);background:rgba(125,211,252,.14)}
.btn-ghost .play{
  width:0;height:0;border-left:8px solid var(--cyan);
  border-top:5px solid transparent;border-bottom:5px solid transparent;
}
.btn:focus-visible,.hdr-cta:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* estágios de entrada, sincronizados ao vídeo */
.js-on [data-stage]{opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-stage].on{opacity:1;transform:none}
.headline .ln.on>span{transform:none;transition:transform 1s var(--ease)}

.scroll-cue{
  position:absolute;z-index:9;right:var(--gut);bottom:clamp(76px,14vh,132px);
  display:flex;align-items:center;gap:12px;
  font:500 9px/1 var(--mono);letter-spacing:.24em;color:var(--muted);
}
.scroll-cue i{display:block;width:52px;height:1px;background:linear-gradient(90deg,transparent,var(--baby));position:relative;overflow:hidden}
.scroll-cue i:after{content:"";position:absolute;inset:0;background:var(--cyan);animation:sweep 2.4s var(--ease) infinite}
@keyframes sweep{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}

.layer-dark{
  position:fixed;inset:0;z-index:10;pointer-events:none;
  background:var(--paper);opacity:0;
}
/* leitura: escurece só o lado onde o texto do capítulo ativo vive.
   Sem caixa, sem borda — é um degradê que some antes do meio da tela.     */
.side-scrim{
  position:fixed;inset:0;z-index:10;pointer-events:none;opacity:0;
  transition:opacity .55s var(--ease),background .55s var(--ease);
  background:linear-gradient(90deg,var(--paper) 0%,rgba(247,248,250,.86) 30%,rgba(247,248,250,.34) 52%,transparent 68%);
}
.side-scrim.right{
  background:linear-gradient(270deg,var(--paper) 0%,rgba(247,248,250,.86) 30%,rgba(247,248,250,.34) 52%,transparent 68%);
}
.side-scrim.on{opacity:1}
/* reforço local no bloco de números, que fica sobre o núcleo mais aceso */
.section-stats .stats-grid{position:relative}
.stat-label,.stat-suffix{text-shadow:0 2px 14px rgba(4,6,12,.95)}
.stat-number{filter:drop-shadow(0 2px 18px rgba(4,6,12,.9))}

/* ══════════ NARRATIVA ══════════ */
#scroll-container{position:relative;z-index:12;height:520vh;overflow-x:clip}
.chapter{
  position:absolute;width:100%;max-width:100vw;left:0;padding-inline:var(--gut);
  pointer-events:none;
}
.js-on .chapter{opacity:0}
.chapter.live{pointer-events:auto}
.chapter-inner{max-width:min(42vw,560px);position:relative;z-index:2}
.chapter.align-left .chapter-inner{margin-right:auto}
.chapter.align-right .chapter-inner{margin-left:auto}

/* ── a placa que sai da cena ──
   Não é card: é um degradê recortado que se abre a partir do centro da cena
   em direção ao texto, e some antes de virar caixa.                        */
.chapter-plate{
  position:absolute;top:50%;height:min(78vh,780px);width:74vw;
  transform:translateY(-50%);pointer-events:none;z-index:1;
  clip-path:inset(0 100% 0 0);
}
.chapter.align-left .chapter-plate{
  left:-8vw;
  background:linear-gradient(96deg,var(--paper) 0%,rgba(247,248,250,.94) 34%,rgba(247,248,250,.58) 62%,transparent 88%);
}
.chapter.align-right .chapter-plate{
  right:-8vw;
  background:linear-gradient(264deg,var(--paper) 0%,rgba(247,248,250,.94) 34%,rgba(247,248,250,.58) 62%,transparent 88%);
  clip-path:inset(0 0 0 100%);
}

/* etiqueta com fio que corre para fora, ligando o texto à cena */
.chapter-label{
  display:flex;align-items:center;gap:14px;
  font:600 10px/1 var(--mono);letter-spacing:.28em;color:var(--blue-deep);margin-bottom:22px;
  white-space:nowrap;
}
.chapter-label:after{
  content:"";height:1px;width:22vw;flex:none;
  background:linear-gradient(90deg,var(--blue-deep),rgba(37,99,235,.04));
}
.chapter.align-right .chapter-label{flex-direction:row-reverse}
.chapter.align-right .chapter-label:after{background:linear-gradient(270deg,var(--cyan),rgba(34,211,238,.05))}

/* marcador técnico, deslocado do bloco — distribui o texto na tela */
.chapter-mark{
  position:absolute;top:-3.4em;left:0;
  font:500 9px/1 var(--mono);letter-spacing:.2em;color:var(--ink-3);
}
.chapter.align-right .chapter-mark{left:auto;right:0}
.chapter h2{font-size:clamp(2rem,3.9vw,3.5rem)}
.chapter h2{color:var(--ink)}
.chapter h2 em{
  background:linear-gradient(96deg,var(--blue-deep),#0891B2);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.chapter p{
  color:#33404F!important;font-weight:450;
  margin-top:26px;margin-left:clamp(14px,3.4vw,54px);padding-left:18px;
  border-left:1px solid rgba(37,99,235,.32);
  color:#A9B4C6;font-size:clamp(14.5px,1.1vw,16.5px);max-width:44ch;
}
.chapter.align-right p{
  margin-left:0;margin-right:clamp(14px,3.4vw,54px);
  padding-left:0;padding-right:18px;text-align:right;
  border-left:0;border-right:1px solid rgba(37,99,235,.32);
  margin-left:auto;
}
.chapter.align-right .chapter-inner{text-align:right}
.chapter.align-right .hero-cta{justify-content:flex-end}
.cta-final .hero-cta{margin-top:30px}

/* constelação */
.constellation-wrap{
  position:fixed;inset:0;z-index:11;display:grid;place-items:center;
  pointer-events:none;opacity:0;transition:opacity .8s linear;
  overflow:hidden;  /* 128vw no mobile vazava e criava rolagem lateral */
}
.constellation-wrap.active{opacity:1}
#constellation{width:min(92vw,1000px);height:auto;overflow:visible}
#links path{stroke-dasharray:var(--l);stroke-dashoffset:var(--l)}
.node-dot{fill:var(--graphite-2);stroke:rgba(125,211,252,.4);stroke-width:1.2}
.node-dot.lit{fill:rgba(34,211,238,.16);stroke:var(--cyan)}
.node-label{font:600 10.5px var(--mono);letter-spacing:.12em;fill:var(--ink-3);transition:fill .4s}
#pulses circle{fill:var(--blue-deep)}
.node-label.lit{fill:var(--ink)}

/* stats */
.section-stats{
  background:var(--ink);padding:clamp(44px,6vw,76px) clamp(22px,5vw,64px);
  border-radius:0;box-shadow:0 30px 90px rgba(14,18,25,.22);
}
.section-stats .stats-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,72px);
  max-width:1100px;margin-inline:auto;text-align:left;
}
.stat{display:flex;flex-direction:column;gap:6px}
.stat-number{font-family:var(--display);font-weight:800;font-size:clamp(3rem,7vw,5.6rem);line-height:.9;
  background:linear-gradient(150deg,var(--ice),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-suffix{font:600 12px var(--mono);letter-spacing:.16em;color:var(--baby)}
.section-stats .stat-label{color:rgba(255,255,255,.6)}
.stat-label{margin-top:8px;color:var(--muted);font-size:13px}

.site-footer{
  position:relative;z-index:12;display:flex;justify-content:space-between;gap:16px;
  padding:30px var(--gut);border-top:1px solid var(--line);
  font:500 9.5px/1.6 var(--mono);letter-spacing:.18em;color:var(--muted);
}

/* ══════════ MOBILE — composição própria, não hero reduzida ══════════ */
@media(max-width:860px){
  .hero{height:100svh}
  /* o vídeo recua para plano de fundo e o texto ganha a tela */
  .layer-video video{object-position:64% 42%;transform:scale(1.12)}
  .layer-scrim{
    background:linear-gradient(178deg,
      rgba(4,6,12,.55) 0%,
      rgba(4,6,12,.15) 30%,
      rgba(4,6,12,.86) 62%,
      rgba(4,6,12,.97) 100%);
    opacity:1;
  }
  .hero-logo{top:clamp(80px,12vh,110px);gap:11px}
  .hero-content{
    position:absolute;left:var(--gut);right:var(--gut);width:auto;
    bottom:clamp(56px,9vh,92px);
  }
  .headline{font-size:clamp(2.25rem,10.5vw,3.2rem)}
  .support{margin-top:16px;font-size:14.5px;max-width:38ch}
  .hero-cta{margin-top:24px;gap:10px}
  .btn{padding:14px 20px;font-size:13.5px}
  .btn-primary{width:100%;justify-content:center}
  .scroll-cue{display:none}

  #scroll-container{height:400vh}
  .chapter-inner,.chapter.align-right .chapter-inner{max-width:none;margin:0}
  .chapter h2{font-size:clamp(1.75rem,7.6vw,2.4rem)}
  .chapter p{max-width:none}
  .section-stats .stats-grid{grid-template-columns:1fr;gap:26px}
  #constellation{width:124vw;max-width:none}
  .node-label{font-size:13px}
  .site-footer{flex-direction:column;gap:6px}
}

/* ══════════ REDUCED MOTION ══════════ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .layer-video video{display:none}
  .layer-video{background:url('/claro/assets/poster.jpg') center/cover no-repeat}
  .layer-particles,.layer-canvas{display:none}
  [data-stage],.wordmark{opacity:1!important;transform:none!important;filter:none!important}
  .headline .ln>span{transform:none!important}
  .hero-logo .draw-rect,.hero-logo .draw-line{stroke-dashoffset:0!important}
  .chapter{opacity:1!important;position:relative;padding-block:14vh}
  #scroll-container{height:auto}
  .constellation-wrap{display:none}
}

/* banner de erro — falha de JS vira mensagem visível, não tela preta */
#js-error,#js-debug{
  position:static;z-index:300;max-height:42vh;overflow:auto;
  padding:14px 18px;background:#7f1d1d;color:#fff;
  font:500 12px/1.5 var(--mono);white-space:pre-wrap;word-break:break-word;
}

/* ═══════════════════════════════════════════════════════════
   FORMAS POR CAPÍTULO — cada bloco interage com a cena de um
   jeito próprio. Nenhum repete o tratamento do anterior.
   ═══════════════════════════════════════════════════════════ */

/* ── 001 · lateral: degradê que corre da borda até o meio ── */
.plate-side.chapter.align-left .chapter-plate{
  background:linear-gradient(96deg,var(--paper) 0%,rgba(247,248,250,.94) 34%,rgba(247,248,250,.58) 62%,transparent 88%);
}
.frag-list{list-style:none;margin-top:28px;display:grid;gap:10px}
.frag-list li{
  display:flex;align-items:baseline;gap:12px;
  font:600 12.5px/1.5 var(--mono);color:#3E4A59;
  padding-left:16px;position:relative;
  opacity:.9;
}
.frag-list li:before{
  content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;
  border:1px solid rgba(255,57,57,.55);
}
.frag-list b{color:var(--ink);font-weight:600;letter-spacing:.06em;flex:none}
.frag-list span{font-family:var(--body);font-size:13.5px;color:#3E4A59}

/* ── 002 · faixa: a camada é desenhada, não descrita ── */
.chapter.align-center .chapter-inner{max-width:min(64vw,780px);margin-inline:auto;text-align:center}
.chapter.align-center .chapter-label{justify-content:center}
.chapter.align-center .chapter-label:after{width:12vw}
.chapter.align-center .chapter-label:before{
  content:"";height:1px;width:12vw;flex:none;
  background:linear-gradient(270deg,var(--cyan),rgba(34,211,238,.05));
}
.chapter.align-center p{
  margin-inline:auto;margin-top:22px;border:0;padding:0;text-align:center;max-width:52ch;
}
.plate-band .chapter-plate{
  top:50%;left:50%;transform:translate(-50%,-50%);
  width:130vw;height:min(66vh,640px);
  background:
    linear-gradient(180deg,transparent,rgba(247,248,250,.95) 16%,var(--paper-2) 50%,rgba(247,248,250,.95) 84%,transparent);
  border-top:1px solid rgba(37,99,235,.2);
  border-bottom:1px solid rgba(37,99,235,.2);
  box-shadow:0 24px 90px rgba(14,18,25,.07);
}
.layer-diagram{
  margin-top:34px;display:grid;gap:12px;justify-items:center;
  font:600 9.5px/1 var(--mono);letter-spacing:.22em;
}
.ld-row{color:#46525F;font-weight:600}
.ld-core{
  padding:11px 30px;border:1px solid var(--blue-deep);color:var(--blue-deep);
  font-size:12px;letter-spacing:.36em;
  background:rgba(37,99,235,.06);box-shadow:0 10px 30px rgba(37,99,235,.12);
  position:relative;
}
.ld-core:before,.ld-core:after{
  content:"";position:absolute;left:50%;width:1px;height:12px;background:var(--blue-deep);opacity:.55;
}
.ld-core:before{top:-13px}.ld-core:after{bottom:-13px}

/* ── 003 · dividido: entrada de um lado, decisão do outro ── */
.chapter.align-split .chapter-inner{max-width:min(76vw,980px);margin-inline:auto}
.plate-split .chapter-plate{
  top:50%;left:50%;transform:translate(-50%,-50%);
  width:96vw;height:min(80vh,800px);
  background:
    radial-gradient(90% 70% at 50% 50%,var(--paper-2),rgba(247,248,250,.92) 58%,transparent 92%);
}
.decide{
  margin-top:32px;display:grid;grid-template-columns:1fr 54px 1fr;gap:clamp(10px,2vw,26px);
  align-items:start;
}
.dec-col{display:grid;gap:11px}
.dec-head{
  font:600 9px/1 var(--mono);letter-spacing:.28em;color:var(--ink-3);margin-bottom:4px;
}
.dec-out .dec-head{color:var(--blue-deep)}
.dec-item{
  font-size:13.5px;line-height:1.45;color:#2F3B49;
  padding:11px 13px;border-left:1px solid var(--rule);
  background:var(--paper-2);
}
.dec-out .dec-item{
  color:var(--ink);border-left-color:var(--blue-deep);font-weight:500;
  background:linear-gradient(90deg,rgba(37,99,235,.09),var(--paper-2));
}
.dec-arrows{display:grid;gap:11px;padding-top:26px}
.dec-arrows i{
  display:block;height:40px;position:relative;
}
.dec-arrows i:before{
  content:"";position:absolute;top:50%;left:0;right:9px;height:1px;
  background:linear-gradient(90deg,rgba(37,99,235,.15),var(--blue-deep));
}
.dec-arrows i:after{
  content:"";position:absolute;top:50%;right:0;margin-top:-3.5px;
  border-left:7px solid var(--blue-deep);border-top:3.5px solid transparent;border-bottom:3.5px solid transparent;
}
.chapter.align-split p{
  margin:26px auto 0;border:0;padding:0;text-align:center;color:#33404F;
}

/* ── mobile: as formas colapsam sem virar papinha ── */
@media(max-width:860px){
  .chapter.align-center .chapter-inner,.chapter.align-split .chapter-inner{max-width:none}
  .chapter.align-center .chapter-label:before{display:none}
  .plate-band .chapter-plate,.plate-split .chapter-plate{width:140vw;height:min(76vh,700px)}
  .decide{grid-template-columns:1fr;gap:14px}
  .dec-arrows{display:none}
  .dec-out .dec-item{border-left-color:var(--cyan)}
  .frag-list li{flex-direction:column;gap:2px}
  .layer-diagram{font-size:8.5px}
  .ld-core{padding:9px 20px;font-size:11px;letter-spacing:.26em}
}

/* nós da cena: círculo + glifo desenhado */
.node-icon{fill:none;stroke:rgba(14,18,25,.42);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round;transition:stroke .4s}
.node-icon.lit{stroke:var(--blue-deep)}
.node-dot{fill:var(--paper-2)}
.node-dot.lit{fill:rgba(37,99,235,.08)}

.diag{position:relative}
body:has(#js-error) #js-debug,body:has(#js-debug) #js-error{position:relative}

/* ══════════ RODAPÉ ══════════ */
.site-footer{
  position:relative;z-index:12;background:var(--ink);color:var(--white);
  border-top:0;padding:clamp(40px,6vw,74px) var(--gut) 26px;
  display:block;
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(24px,4vw,56px);
  max-width:1240px;margin-inline:auto;
}
.foot-brand .hdr-logo{width:28px;height:28px;display:inline-block;vertical-align:middle}
.foot-brand .hdr-word{display:inline-block;vertical-align:middle;margin-left:8px}
.foot-brand p{margin-top:16px;color:rgba(255,255,255,.6);font-size:13.5px;line-height:1.7;max-width:38ch}
.foot-social{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.foot-social a{
  padding:8px 14px;border:1px solid rgba(255,255,255,.16);border-radius:999px;
  font:500 11.5px var(--mono);letter-spacing:.08em;color:rgba(255,255,255,.8);
  transition:border-color .25s,color .25s,background .25s;
}
.foot-social a:hover{border-color:var(--cyan);color:var(--white);background:rgba(34,211,238,.08)}
.foot-col{display:flex;flex-direction:column;gap:11px}
.foot-col h3{
  font:600 9.5px/1 var(--mono);letter-spacing:.24em;color:var(--baby);
  text-transform:uppercase;margin-bottom:7px;
}
.foot-col a,.foot-col span{color:rgba(255,255,255,.58);font-size:13.5px;transition:color .22s}
.foot-col a:hover{color:var(--cyan)}
.tag-on,.tag-soon{
  font:600 8px var(--mono);letter-spacing:.12em;padding:3px 6px;margin-left:6px;
  font-style:normal;text-transform:uppercase;vertical-align:middle;
}
.tag-on{color:#04121A;background:var(--cyan)}
.tag-soon{color:var(--muted);border:1px solid var(--line)}
.foot-bottom{
  max-width:1240px;margin:clamp(30px,4vw,52px) auto 0;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font:500 9.5px/1.6 var(--mono);letter-spacing:.14em;color:#5F656D;text-transform:uppercase;
}
.foot-bottom a:hover{color:var(--cyan)}
.foot-status{display:flex;align-items:center;gap:8px;color:#6E7A8A}
.foot-status i{
  width:6px;height:6px;border-radius:50%;background:var(--lime,#22D3EE);
  background:var(--cyan);box-shadow:0 0 9px var(--cyan);
  animation:beat 2.6s ease-in-out infinite;
}
@keyframes beat{0%,100%{opacity:.35}50%{opacity:1}}
@media(max-width:860px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .foot-brand{grid-column:1/-1}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:9px}
}


/* ═══ AJUSTES DO TEMA CLARO ═══ */

/* O núcleo luminoso era branco sobre papel: virava mancha que apagava o texto.
   No claro ele precisa ser traço, não brilho.                              */
#core{mix-blend-mode:multiply;opacity:.22!important}
#links path{stroke-width:1.1}
#constellation{opacity:.62}

/* placa de leitura por baixo dos blocos, para o texto nunca competir
   com a constelação que corre atrás                                        */
.chapter-inner{
  position:relative;
}
.chapter-inner:before{
  content:"";position:absolute;inset:-28px -34px;z-index:-1;
  background:radial-gradient(80% 74% at 50% 50%,var(--paper) 42%,rgba(247,248,250,.86) 68%,transparent 92%);
}
.chapter.align-split .chapter-inner:before{inset:-34px -44px}

/* a hero sai de cena ANTES do papel entrar: texto branco nunca encosta
   em fundo claro                                                           */
.hero-content,.hero-logo{transition:none}


/* ═══ CORREÇÕES APONTADAS PELA VARREDURA DE PRINTS ═══ */

/* a cena não pode escrever por cima do texto em tela pequena:
   os ícones ficam, os rótulos saem                                     */
@media(max-width:860px){
  .node-label{display:none}
  #constellation{opacity:.4}
  .chapter-inner:before{inset:-20px -22px}

  /* o capítulo é centralizado por transform; para não passar por baixo da
     barra fixa ele desce, e o conteúdo encolhe para caber na viewport    */
  .chapter{--chapter-shift:30px}
  .chapter h2{font-size:clamp(1.6rem,6.6vw,2.1rem)}
  .chapter p{margin-top:18px;font-size:14px}
  .decide{margin-top:22px;gap:9px}
  .dec-item{padding:9px 12px;font-size:12.8px}
  .dec-head{margin-bottom:2px}
  .frag-list{margin-top:20px;gap:8px}
  .layer-diagram{margin-top:24px;gap:9px}
}

/* o vídeo é recortado pelo container, nunca empurra a largura */
.layer-video,.layer-canvas{overflow:hidden}
.layer-video video{max-width:none}


/* ═══ SEÇÃO CENTRALIZADA ═══
   Linha curta em cima e longa embaixo deixava o bloco torto. Sem <br>
   forçado, o navegador equilibra as linhas sozinho.                    */
.align-center h2{text-wrap:balance;max-width:18ch;margin-inline:auto}
.chapter.align-center p{text-wrap:pretty;max-width:46ch}
.chapter.align-center .chapter-mark{position:static;display:block;text-align:center;margin-bottom:10px}


/* ═══ CORREÇÕES DA AUDITORIA ═══ */

/* o rodapé é grafite: a marca não pode herdar a cor de texto da barra clara */
.site-footer .hdr-word{color:var(--white)}
.site-footer .hdr-word i{color:var(--cyan)}

/* a etiqueta em azul bebê só funciona sobre fundo escuro */
.eyebrow{color:var(--blue-deep)}
.eyebrow .dot{background:var(--blue-deep);box-shadow:0 0 10px rgba(37,99,235,.5)}
.hero .eyebrow,.cta-band .eyebrow{color:var(--baby)}
.hero .eyebrow .dot,.cta-band .eyebrow .dot{background:var(--cyan);box-shadow:0 0 10px var(--cyan)}


/* A hero é ilha escura: precisa declarar a própria cor de texto.
   Quando o body virou claro, a headline passou a herdar grafite e
   sumiu sobre o vídeo. Nada aqui pode depender da herança do body. */
.hero{color:var(--white)}
.hero h1,.headline{color:var(--white)}
.hero .wordmark{color:var(--white)}
.hero .support{color:#A9B4C6}
.site-footer{color:var(--white)}
.cta-band{color:var(--white)}