/* ============================================================================
   LightBIM — folha de estilo
   Paleta derivada de uma rampa de luminância: do indigo profundo (0 cd/m²)
   ao branco quente estourado. O âmbar é a luz. O ciano é o valor medido.
   ========================================================================== */

:root{
  --void:#06080E;
  --surface:#070A11;
  --raised:#121826;
  --line:#212A41;
  --line-soft:#161D2E;
  --dim:#C4CEE4;
  --text:#C4CEE4;
  --bright:#EFF3FB;

  --amber:#E9A13B;
  --amber-dim:#8A6224;
  --data:#6FE3D4;

  --ramp:linear-gradient(90deg,#141A3C 0%,#1B2ACC 22%,#7B3FA8 48%,#E9A13B 78%,#FBF1DC 100%);

  --ff-display:'Archivo','Arial Black',sans-serif;
  --ff-body:'IBM Plex Sans',system-ui,sans-serif;
  --ff-mono:'IBM Plex Mono',ui-monospace,monospace;

  --pad:clamp(20px,5vw,64px);
  --maxw:1280px;
  --railw:56px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--void);
  color:var(--text);
  font-family:var(--ff-body);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;

}

img{max-width:100%;display:block}
a{color:inherit}

::selection{background:var(--amber);color:#12060A}

:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}

/* ------------------------------------------------------------- tipografia */
.display{
  font-family:var(--ff-display);
  font-weight:760;
  font-variation-settings:'wdth' 118;
  line-height:.96;
  letter-spacing:-.028em;
  color:var(--bright);
  margin:0;
}

.mono{
  font-family:var(--ff-mono);
  font-size:.7rem;
  letter-spacing:.19em;
  text-transform:uppercase;
  font-weight:500;
}

.lede{font-size:clamp(1.05rem,1.7vw,1.28rem);line-height:1.55;color:var(--bright)}

p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}

/* --------------------------------------------------------------- barra do topo */
.progress{
  position:fixed;inset:0 0 auto 0;height:2px;z-index:60;
  background:var(--ramp);
  transform-origin:0 50%;transform:scaleX(0);
  transition:transform .1s linear;
}

.topbar{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  padding:14px var(--pad);
  background:rgba(6,8,14,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease),background .4s var(--ease);
}
.topbar.is-stuck{border-bottom-color:var(--line-soft)}

.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.brand b{
  font-family:var(--ff-display);font-weight:800;font-variation-settings:'wdth' 112;
  font-size:1.02rem;letter-spacing:-.02em;color:var(--bright);
}
.brand span{color:var(--dim);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-family:var(--ff-mono)}

.lang{display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden}
.lang button{
  appearance:none;border:0;background:transparent;color:var(--dim);
  font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.14em;
  padding:6px 11px;cursor:pointer;transition:color .25s,background .25s;
}
.lang button[aria-pressed="true"]{background:var(--amber);color:#140A02}
.lang button:hover:not([aria-pressed="true"]){color:var(--bright)}

/* -------------------------------------------------------- trilho lateral */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--railw);z-index:40;
  display:none;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;pointer-events:none;
}
.rail-track{width:1px;flex:1;background:var(--line-soft);position:relative;max-height:46vh}
.rail-fill{position:absolute;inset:0 0 auto 0;background:var(--ramp);height:0%}
.rail-label{
  writing-mode:vertical-rl;transform:rotate(180deg);
  font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--dim);white-space:nowrap;
}
@media(min-width:1180px){
  .rail{display:flex}
  body{padding-left:var(--railw)}
  .topbar{padding-left:calc(var(--pad) + var(--railw))}
}

/* -------------------------------------------------------------------- hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:-8% 0 -8% 0;z-index:0;will-change:transform}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(6,8,14,.86) 0%,rgba(6,8,14,.34) 34%,rgba(6,8,14,.90) 82%,var(--void) 100%),
    radial-gradient(120% 80% at 78% 30%,rgba(233,161,59,.10),transparent 60%);
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:clamp(96px,14vh,150px) var(--pad) clamp(28px,5vh,52px)}

.hero-eyebrow{color:var(--amber);margin:0 0 clamp(18px,3vh,30px)}

.hero h1{font-size:clamp(2.1rem,5.6vw,4.6rem);max-width:20ch}
.hero h1 .ln{display:block;overflow:hidden}
.hero h1 .ln-in{display:block;transform:translateY(105%);transition:transform .95s var(--ease)}
.is-ready .hero h1 .ln-in{transform:translateY(0)}
.hero h1 .ln:nth-child(2) .ln-in{transition-delay:.09s}
.hero h1 .ln:nth-child(3) .ln-in{transition-delay:.18s}
.hero h1 em{font-style:normal;color:var(--amber)}

.hero-lead{max-width:56ch;margin-top:clamp(18px,3vh,28px);color:var(--text);opacity:0;transform:translateY(14px);transition:opacity .8s .5s var(--ease),transform .8s .5s var(--ease)}
.is-ready .hero-lead{opacity:1;transform:none}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:clamp(20px,3vh,30px);padding:0;list-style:none;opacity:0;transition:opacity .8s .72s var(--ease)}
.is-ready .chips{opacity:1}
.chip{
  appearance:none;cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(18,24,38,.72);border:1px solid var(--line);
  color:var(--text);border-radius:2px;padding:7px 13px;
  font-family:var(--ff-mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;
  transition:border-color .25s,color .25s,background .25s;
}
.chip::before{content:"";width:5px;height:5px;background:var(--amber);border-radius:50%;flex:none}
.chip:hover:not(.is-static){border-color:var(--amber-dim);color:var(--bright);background:rgba(233,161,59,.08)}
.chip.is-static{cursor:default;color:var(--dim)}

.readout{
  margin-top:clamp(26px,4vh,44px);border-top:1px solid var(--line-soft);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));
  opacity:0;transition:opacity .9s .9s var(--ease);
}
.is-ready .readout{opacity:1}
.readout div{padding:13px 16px 13px 0;border-right:1px solid var(--line-soft)}
.readout div:last-child{border-right:0}
.readout dt{font-family:var(--ff-mono);font-size:.6rem;letter-spacing:.22em;color:var(--dim);margin-bottom:5px}
.readout dd{margin:0;font-family:var(--ff-mono);font-size:.74rem;color:var(--data);line-height:1.45}

/* --------------------------------------------------------------- estrutura */
main{position:relative;z-index:2;background:var(--void)}

#stage .section{padding:clamp(74px,11vh,148px) 0;border-top:1px solid var(--line-soft);position:relative}
#stage .section:first-child{border-top:0}
.section.is-plain{border-top:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

.block{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(20px,3vw,40px)}
.block>*{min-width:0}
.wrap{max-width:100%}
@media(min-width:900px){.block{grid-template-columns:195px minmax(0,1fr);gap:clamp(32px,5vw,72px)}}

.tag{display:flex;flex-direction:column;gap:12px;align-self:start}
.tag .mono{
  color:var(--amber);
  font-size:1.1rem;        /* padrão da .mono é .7rem */
  letter-spacing:.12em;    /* padrão é .19em */
  line-height:1.5;
}
.tag hr{width:100%;height:1px;border:0;background:var(--ramp);opacity:.5;margin:0}
@media(min-width:900px){.tag{position:sticky;top:96px}}

.block h2{font-size:clamp(1.3rem,3.3vw,2.35rem);max-width:28ch;margin-bottom:.7em;white-space:pre-line}
.prose{max-width:66ch}
.prose p{color:var(--text)}
.prose .accent{color:var(--bright)}

/* ------------------------------------------------------------- fundamentos */
.tri{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:clamp(30px,4vw,48px)}
@media(min-width:820px){.tri{grid-template-columns:repeat(3,1fr)}}
.tri article{background:var(--surface);padding:clamp(22px,3vw,32px);position:relative;overflow:hidden}
.tri article::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--ramp);transform:scaleX(0);transform-origin:0 50%;transition:transform .7s var(--ease)}
.tri article.is-in::after{transform:scaleX(1)}
.tri h3{font-family:var(--ff-display);font-weight:750;font-variation-settings:'wdth' 112;font-size:1.18rem;color:var(--bright);margin:0 0 .7em;letter-spacing:-.01em}
.tri p{font-size:.95rem;color:var(--dim);margin:0}
.tri .idx{font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.2em;color:var(--amber-dim);display:block;margin-bottom:14px}

.closing{
  margin-top:clamp(30px,4vw,46px);padding-left:clamp(16px,2vw,24px);
  border-left:2px solid var(--amber);
  font-family:var(--ff-display);font-weight:700;font-variation-settings:'wdth' 108;
  font-size:clamp(1.15rem,2.1vw,1.6rem);line-height:1.28;color:var(--bright);letter-spacing:-.015em;
}

/* ------------------------------------------------ sonda de materiais (assinatura) */
.probe{margin-top:clamp(30px,4vw,50px);border:1px solid var(--line);background:var(--surface)}
.probe-stage{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden}
.probe-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .55s var(--ease)}
.probe-stage img.is-live{opacity:1}
.probe-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
}
.probe-hud{
  position:absolute;left:0;bottom:0;right:0;
  display:flex;justify-content:space-between;align-items:flex-end;gap:16px;
  padding:14px 16px;
  background:linear-gradient(0deg,rgba(6,8,14,.9),transparent);
  font-family:var(--ff-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--data);
}

.probe-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));border-top:1px solid var(--line)}
.probe-controls button{
  appearance:none;cursor:pointer;background:transparent;border:0;
  border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  padding:14px 12px;text-align:left;color:var(--dim);
  font-family:var(--ff-mono);font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;line-height:1.35;
  transition:background .25s,color .25s;
}
.probe-controls button:last-child{border-right:0}
.probe-controls button:hover{color:var(--bright);background:rgba(233,161,59,.06)}
.probe-controls button[aria-pressed="true"]{color:var(--bright);background:var(--raised)}
.probe-controls .sw{display:block;width:20px;height:20px;border-radius:1px;margin-bottom:9px;border:1px solid rgba(255,255,255,.18)}
.probe-controls button[aria-pressed="true"] .sw{box-shadow:0 0 0 1px var(--amber)}

.probe-info{padding:clamp(18px,2.6vw,26px);display:grid;gap:6px}
.probe-info h3{font-family:var(--ff-display);font-weight:740;font-variation-settings:'wdth' 110;font-size:1.1rem;color:var(--bright);margin:0;letter-spacing:-.01em}
.probe-info p{font-size:.95rem;color:var(--dim);margin:0;max-width:70ch}
.probe-info .spec{font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.1em;color:var(--data);margin-top:4px}

/* --------------------------------------------------------------- comparação */
.compare{display:grid;gap:1px;background:var(--line-soft);margin-top:clamp(30px,4vw,48px);border:1px solid var(--line-soft)}
@media(min-width:820px){.compare{grid-template-columns:1fr 1fr}}
.compare figure{margin:0;background:var(--surface);display:flex;flex-direction:column}
.compare .shot{position:relative;overflow:hidden;aspect-ratio:16/10;background:#000;cursor:zoom-in}
.compare .shot img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.compare .shot:hover img{transform:scale(1.035)}
.compare figcaption{padding:13px 16px;font-family:var(--ff-mono);font-size:.63rem;letter-spacing:.15em;text-transform:uppercase;color:var(--dim)}
.compare figcaption b{color:var(--data);font-weight:500}

/* -------------------------------------------------------------- construído */
.cards{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:clamp(30px,4vw,48px)}
.cards article{background:var(--surface);display:flex;flex-direction:column}
.cards .shot{aspect-ratio:16/9;overflow:hidden;background:#000;cursor:zoom-in;position:relative}
.cards .shot img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease),opacity .5s}
.cards .shot:hover img{transform:scale(1.04)}
.cards .body{padding:clamp(18px,2.4vw,26px)}
.cards h3{font-family:var(--ff-display);font-weight:740;font-variation-settings:'wdth' 110;font-size:1.06rem;color:var(--bright);margin:0 0 .6em;letter-spacing:-.01em}
.cards p{font-size:.93rem;color:var(--dim);margin:0}
@media(min-width:760px){
  .cards article{display:grid;grid-template-columns:300px minmax(0,1fr);align-items:stretch}
  .cards .shot{aspect-ratio:auto;height:100%;min-height:190px}
  .cards article:nth-child(even){grid-template-columns:minmax(0,1fr) 300px}
  .cards article:nth-child(even) .shot{order:2}
  .cards .shot img{object-fit:contain}
  .cards .shot{background:var(--surface)}
  .cards .body{display:flex;flex-direction:column;justify-content:center}
}

/* ------------------------------------------------------------ instrumentos */
.instr{display:grid;gap:clamp(24px,3vw,40px);margin-top:clamp(26px,3vw,40px)}
@media(min-width:900px){.instr{grid-template-columns:minmax(0,1fr) 300px}}
.specs{border:1px solid var(--line);background:var(--surface);align-self:start}
.specs dl{margin:0}
.specs .row{display:flex;justify-content:space-between;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line-soft)}
.specs .row:last-child{border-bottom:0}
.specs dt{font-family:var(--ff-mono);font-size:.6rem;letter-spacing:.2em;color:var(--dim);flex:none}
.specs dd{margin:0;font-family:var(--ff-mono);font-size:.68rem;color:var(--data);text-align:right;line-height:1.45}

.status{
  margin-top:clamp(24px,3vw,34px);border:1px solid var(--amber-dim);
  background:rgba(233,161,59,.055);padding:clamp(16px,2.2vw,22px);
  display:grid;gap:8px;
}
.status .mono{color:var(--amber)}
.status p{margin:0;font-size:.95rem;color:var(--bright)}

/* ------------------------------------------------------------------ plano */
.plan{list-style:none;margin:clamp(30px,4vw,48px) 0 0;padding:0;border-top:1px solid var(--line-soft)}
.plan li{border-bottom:1px solid var(--line-soft);padding:clamp(20px,2.6vw,28px) 0;display:grid;gap:8px}
@media(min-width:800px){.plan li{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:clamp(24px,4vw,56px);align-items:start}}
.plan h3{font-family:var(--ff-display);font-weight:740;font-variation-settings:'wdth' 112;font-size:clamp(1.05rem,1.9vw,1.32rem);color:var(--bright);margin:0;letter-spacing:-.012em}
.plan p{margin:0;font-size:.95rem;color:var(--dim);max-width:60ch}

/* ---------------------------------------------------------------- registro */
.pubs{list-style:none;margin:clamp(28px,4vw,44px) 0 0;padding:0;border-top:1px solid var(--line-soft)}
.pubs li{padding:clamp(20px,2.6vw,26px) 0;border-bottom:1px solid var(--line-soft)}
.pubs .mono{color:var(--amber-dim);display:block;margin-bottom:10px}
.pubs .ref{margin:0;font-size:.97rem;color:var(--text);max-width:82ch}
.pubs .ref em{color:var(--bright);font-style:italic}
.act{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  background:transparent;border:1px solid var(--line);color:var(--text);
  border-radius:2px;padding:7px 13px;cursor:pointer;text-decoration:none;
  font-family:var(--ff-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  transition:border-color .25s,color .25s,background .25s;
}
.act:hover{border-color:var(--amber-dim);color:var(--bright);background:rgba(233,161,59,.08)}
.act::after{content:"→";color:var(--amber)}

.creds{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:clamp(28px,4vw,42px)}
@media(min-width:760px){.creds{grid-template-columns:1fr 1fr}}
.creds button{
  appearance:none;cursor:pointer;text-align:left;background:var(--surface);border:0;
  padding:clamp(20px,2.6vw,28px);color:var(--text);display:grid;gap:8px;
  transition:background .3s;font:inherit;
}
.creds button:hover{background:var(--raised)}
.creds h3{font-family:var(--ff-display);font-weight:740;font-variation-settings:'wdth' 110;font-size:1rem;color:var(--bright);margin:0;letter-spacing:-.01em}
.creds .meta{font-family:var(--ff-mono);font-size:.65rem;letter-spacing:.1em;color:var(--dim);line-height:1.6}
.creds .go{font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}

/* ------------------------------------------------------------------ vídeo */
.video-frame{margin-top:clamp(28px,4vw,44px);border:1px solid var(--line);background:#000;aspect-ratio:16/9}
.video-frame iframe{width:100%;height:100%;border:0;display:block}

/* ------------------------------------------------------------------ equipe */
.people{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:clamp(28px,4vw,44px)}
@media(min-width:760px){.people{grid-template-columns:1fr 1fr}}
.people article{background:var(--surface);padding:clamp(22px,3vw,30px)}
.people h3{font-family:var(--ff-display);font-weight:750;font-variation-settings:'wdth' 112;font-size:1.12rem;color:var(--bright);margin:0 0 .5em;letter-spacing:-.012em}
.people .role{font-size:.93rem;color:var(--dim);margin:0 0 16px}
.people .links{display:flex;flex-wrap:wrap;gap:8px}

.people .role-list{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:5px}
.people .role-list li{font-size:.9rem;color:var(--dim);line-height:1.45}

/* ------------------------------------------------------------------ rodapé */
.foot{border-top:1px solid var(--line-soft);padding:clamp(40px,6vh,64px) 0}
.foot .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot .mono{color:var(--dim)}
.foot .ramp{height:2px;width:100%;background:var(--ramp);opacity:.65;margin-bottom:clamp(28px,4vh,44px)}

/* ------------------------------------------------------------------- modal */
dialog.modal{
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  padding:0;max-width:min(1100px,94vw);width:100%;max-height:92vh;
  border-radius:2px;
}
dialog.modal::backdrop{background:rgba(3,4,8,.86);backdrop-filter:blur(6px)}
.modal-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-head h4{margin:0;font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);font-weight:500}
.modal-close{appearance:none;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:2px;width:30px;height:30px;cursor:pointer;font-size:1rem;line-height:1;transition:border-color .25s,color .25s}
.modal-close:hover{border-color:var(--amber-dim);color:var(--bright)}
.modal-body{padding:0;overflow:auto;max-height:calc(92vh - 108px);background:var(--void)}
.modal-body img{width:100%;height:auto}
.modal-body .pages{display:grid;gap:10px;padding:10px;background:#0a0d15}
.modal-body .pages img{border:1px solid var(--line-soft)}
.modal-body embed,.modal-body iframe{width:100%;height:74vh;border:0;display:block;background:#222}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.modal-foot .hint{font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.1em;color:var(--dim);margin:0}

/* ------------------------------------------------------- revelação e parallax */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .85s var(--ease),transform .85s var(--ease);transition-delay:var(--d,0ms)}
.reveal.is-in{opacity:1;transform:none}

.ambient{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.ambient img{width:100%;height:130%;object-fit:cover;opacity:.10;filter:saturate(.6);will-change:transform}
.ambient::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--void),rgba(6,8,14,.55) 40%,var(--void))}
.section.has-ambient>.wrap{position:relative;z-index:1}

/* --------------------------------------------------------------- utilidades */
.noscript{padding:120px var(--pad);max-width:70ch;margin:0 auto}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .hero h1 .ln-in{transform:none}
  .hero-lead,.chips,.readout{opacity:1;transform:none}
  .ambient img,.hero-bg{transform:none!important}
}

/* ============================ acréscimos: modelagem, carrossel e devolução */

/* --------------------------------------------------------------- diagrama */
.diagram{margin:clamp(30px,4vw,48px) 0 0;padding:0}
.diagram-shot{
  border:1px solid var(--line);background:var(--surface);
  padding:clamp(10px,1.6vw,18px);cursor:zoom-in;overflow:hidden;
  transition:border-color .3s var(--ease);
}
.diagram-shot:hover{border-color:var(--amber-dim)}
.diagram-shot img{width:100%;height:auto;display:block}
.diagram figcaption{margin-top:10px;color:var(--dim)}
.diagram figcaption::after{content:" ↗";color:var(--amber)}
.modal-body img.is-wide{min-width:980px;width:100%}

/* -------------------------------------------------------------- carrossel */
.carousel{margin-top:clamp(30px,4vw,48px);border:1px solid var(--line);background:var(--surface)}
.carousel:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.car-viewport{overflow:hidden}
.car-track{display:flex;transition:transform .55s var(--ease);will-change:transform}
.car-slide{flex:0 0 100%;min-width:100%}

.car-media{aspect-ratio:16/9;background:#000;overflow:hidden;position:relative;
  display:flex;align-items:center;justify-content:center}
.car-media img{width:100%;height:100%;object-fit:cover}
.car-media.is-empty{
  background:
    repeating-linear-gradient(135deg,transparent 0 11px,rgba(255,255,255,.022) 11px 22px),
    var(--raised);
  border-bottom:1px solid var(--line-soft);
}
.car-media.is-empty .mono{color:var(--faint,#4A567A);opacity:.75}

.car-body{padding:clamp(20px,2.8vw,30px);display:grid;gap:10px}
.car-body h3{font-family:var(--ff-display);font-weight:750;font-variation-settings:'wdth' 112;
  font-size:clamp(1.1rem,2vw,1.45rem);color:var(--bright);margin:0;letter-spacing:-.014em}
.car-body p{margin:0;font-size:.96rem;color:var(--dim);max-width:70ch}

.stage-chip{
  justify-self:start;display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line);border-radius:2px;padding:5px 10px;
  font-size:.6rem;color:var(--dim);
}
.stage-chip::before{content:"";width:5px;height:5px;border-radius:50%;flex:none}
.stage-chip.is-prototype{border-color:#2F6E68;color:var(--data)}
.stage-chip.is-prototype::before{background:var(--data)}
.stage-chip.is-concept::before{background:var(--line);box-shadow:inset 0 0 0 1px var(--dim)}

.car-nav{display:flex;align-items:center;gap:14px;padding:12px 16px;border-top:1px solid var(--line)}
.car-btn{
  appearance:none;background:transparent;border:1px solid var(--line);color:var(--text);
  width:34px;height:34px;border-radius:2px;cursor:pointer;font-size:.95rem;line-height:1;
  transition:border-color .25s,color .25s,background .25s;flex:none;
}
.car-btn:hover{border-color:var(--amber-dim);color:var(--bright);background:rgba(233,161,59,.08)}
.car-dots{display:flex;gap:6px;flex:1}
.car-dot{
  appearance:none;border:0;background:var(--line);width:22px;height:3px;border-radius:2px;
  cursor:pointer;padding:0;transition:background .3s;
}
.car-dot[aria-current="true"]{background:var(--amber)}
.car-count{color:var(--dim);flex:none;letter-spacing:.14em}

/* ------------------------------------------------ o que volta à comunidade */
.gives{list-style:none;margin:clamp(28px,4vw,44px) 0 0;padding:0;border-top:1px solid var(--line-soft)}
.gives li{
  border-bottom:1px solid var(--line-soft);padding:clamp(20px,2.6vw,28px) 0;
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(16px,2.4vw,30px);align-items:start;
}
.gives-n{color:var(--amber-dim);padding-top:4px}
.gives h3{font-family:var(--ff-display);font-weight:740;font-variation-settings:'wdth' 112;
  font-size:clamp(1.02rem,1.8vw,1.24rem);color:var(--bright);margin:0 0 .55em;letter-spacing:-.012em}
.gives p{margin:0;font-size:.95rem;color:var(--dim);max-width:74ch}

/* ------------------------------------------------ card do built sem imagem */
.cards .shot.is-empty{
  display:flex;align-items:center;justify-content:center;
  background:
    repeating-linear-gradient(135deg,transparent 0 11px,rgba(255,255,255,.022) 11px 22px),
    var(--raised);
  cursor:default;
}
.cards .shot.is-empty .mono{color:#4A567A}

/* ================================ acréscimos: duas visões e marca-texto */

/* ------------------------------------------------------------ marca-texto */
.hero h1 .mark{
  display:inline;
  background:var(--amber);
  color:#140A02;
  padding:.06em .16em;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}
.mark-dark{
  display:inline;
  background:rgba(6,8,14,.82);
  padding:.16em .34em;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}
.hero-eyebrow .mark-dark{color:var(--amber);padding:.3em .5em}
.hero h1 .ln{line-height:1.16;margin-bottom:.06em}
.hero-lead{max-width:60ch;line-height:1.72}

/* -------------------------------------------------------- topo com abas */
.top-right{display:flex;align-items:center;gap:10px}
.toptabs{display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden}
.toptab{
  appearance:none;border:0;background:transparent;color:var(--dim);cursor:pointer;
  font-family:var(--ff-mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;
  padding:6px 12px;transition:color .25s,background .25s;
}
.toptab[aria-pressed="true"]{background:var(--raised);color:var(--bright);box-shadow:inset 0 -2px 0 var(--amber)}
.toptab:hover:not([aria-pressed="true"]){color:var(--bright)}


/* --------------------------------------------------------- seletor grande */
.view-switch{padding:clamp(38px,6vh,64px) 0 clamp(10px,2vh,20px);background:var(--void);position:relative;z-index:2}
.switch-label{display:block;color:var(--dim);margin-bottom:14px}
.switch{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
@media(min-width:820px){.switch{grid-template-columns:1fr 1fr}}
.switch-card{
  appearance:none;cursor:pointer;text-align:left;border:0;font:inherit;
  background:var(--surface);color:var(--text);
  padding:clamp(20px,2.8vw,30px);display:grid;gap:9px;align-content:start;
  transition:background .3s var(--ease);position:relative;
}
.switch-card::after{
  content:"";position:absolute;inset:auto 0 0 0;height:2px;background:var(--ramp);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease);
}
.switch-card:hover{background:var(--raised)}
.switch-card[aria-pressed="true"]{background:var(--raised)}
.switch-card[aria-pressed="true"]::after{transform:scaleX(1)}
.switch-card .sw-tab{color:var(--dim)}
.switch-card[aria-pressed="true"] .sw-tab{color:var(--amber)}
.switch-card h3{
  font-family:var(--ff-display);font-weight:760;font-variation-settings:'wdth' 112;
  font-size:clamp(1.1rem,2.1vw,1.5rem);color:var(--bright);margin:0;letter-spacing:-.016em;
}
.switch-card p{margin:0;font-size:.93rem;color:var(--dim);max-width:52ch}

/* ------------------------------------------------------------ comparativo */
.bench{margin-top:clamp(28px,4vw,44px);border:1px solid var(--line-soft);overflow-x:auto}
.bench-row{display:grid;grid-template-columns:150px repeat(3,minmax(190px,1fr));border-bottom:1px solid var(--line-soft)}
.bench-row:last-child{border-bottom:0}
.bench-row.is-head{background:var(--raised)}
.bench-row.is-head .bench-c{
  font-family:var(--ff-display);font-weight:750;font-variation-settings:'wdth' 110;
  font-size:.98rem;color:var(--bright);letter-spacing:-.01em;
}
.bench-row.is-head .bench-c.is-ours{color:var(--amber)}
.bench-k{padding:14px 16px;color:var(--dim);border-right:1px solid var(--line-soft);align-self:start}
.bench-c{padding:14px 16px;font-size:.9rem;color:var(--dim);border-right:1px solid var(--line-soft)}
.bench-c:last-child{border-right:0}
.bench-c.is-ours{background:rgba(233,161,59,.045);color:var(--text)}
.foot-note{margin-top:14px;color:var(--faint,#4A567A)}

/* ----------------------------------------------------------------- modos */
.modes{display:grid;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:clamp(28px,4vw,44px)}
@media(min-width:760px){.modes{grid-template-columns:1fr 1fr}}
.modes article{background:var(--surface);padding:clamp(22px,3vw,32px);display:grid;gap:10px;align-content:start}
.modes .k{color:var(--data);letter-spacing:.16em}
.modes h3{font-family:var(--ff-display);font-weight:750;font-variation-settings:'wdth' 112;
  font-size:1.16rem;color:var(--bright);margin:0;letter-spacing:-.014em}
.modes p{margin:0;font-size:.94rem;color:var(--dim)}

/* --------------------------------------------------- estágio em reformulação */
.stage-chip.is-reform{border-color:#8A6224;color:var(--amber)}
.stage-chip.is-reform::before{background:var(--amber)}

/* ------------------------------------- texto integral em modal (Saiba mais) */
.car-more{margin-top:6px;justify-self:start}
.longread{padding:clamp(20px,3vw,34px);max-width:74ch;margin:0 auto}
.longread p{margin:0 0 1.05em;font-size:.97rem;line-height:1.68;color:var(--text)}
.longread p:first-child{color:var(--bright);font-size:1.03rem}
.longread p:last-child{margin-bottom:0}

/* ------------------------------------------- voltar ao topo, botão flutuante */
.totop{
  position:fixed;right:clamp(16px,2.4vw,28px);bottom:clamp(16px,2.4vw,28px);z-index:45;
  appearance:none;cursor:pointer;padding:0;
  width:46px;height:46px;border-radius:50%;
  background:rgba(11,15,24,.86);backdrop-filter:blur(10px);
  border:1px solid var(--line);color:var(--amber);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(12px) scale(.9);
  transition:opacity .35s var(--ease),transform .35s var(--ease),
             visibility .35s,border-color .25s,background .25s;
}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop:hover{border-color:var(--amber-dim);background:rgba(233,161,59,.12)}
.totop:active{transform:scale(.94)}
.totop-ico{display:flex;transition:transform .3s var(--ease)}
.totop:hover .totop-ico{transform:translateY(-2px)}

.totop-tip{
  position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%) translateX(6px);
  white-space:nowrap;pointer-events:none;
  background:var(--raised);border:1px solid var(--line);border-radius:2px;
  padding:6px 10px;color:var(--text);
  font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;
  opacity:0;transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.totop:hover .totop-tip,.totop:focus-visible .totop-tip{opacity:1;transform:translateY(-50%)}

@media (max-width:640px){
  .totop{width:42px;height:42px}
  .totop-tip{display:none}
}

/* ------------------------------------------------------ prote\u00e7\u00e3o de conte\u00fado */
body{-webkit-user-select:none;-moz-user-select:none;user-select:none}
input,textarea,[contenteditable]{-webkit-user-select:text;user-select:text}
img,svg,.diagram-shot,.car-media,.shot{-webkit-user-drag:none;user-drag:none;pointer-events:auto}
img{-webkit-touch-callout:none}

@media print{
  body>*{display:none!important}
  body::after{
    content:attr(data-print-note) " " attr(data-print-url);
    display:block;padding:40px;font:14px/1.6 sans-serif;color:#111;
  }
  body{background:#fff}
}

/* --------------------------- carrossel do céu com altura fixa e rolagem */
.carousel[data-car="sky"] .car-body{
  height:260px;              /* ajuste aqui */
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.carousel[data-car="sky"] .car-body::-webkit-scrollbar{width:8px}
.carousel[data-car="sky"] .car-body::-webkit-scrollbar-track{background:transparent}
.carousel[data-car="sky"] .car-body::-webkit-scrollbar-thumb{
  background:var(--line);border-radius:4px;
  border:2px solid transparent;background-clip:content-box;
}
.carousel[data-car="sky"] .car-body:hover::-webkit-scrollbar-thumb{background:var(--penumbra,#2A3350)}

@media (max-width:640px){
  .carousel[data-car="sky"] .car-body{height:340px}
}

.carousel[data-car="sky"] .stage-chip{
  height:40px;
  justify-content:center;
  box-sizing:border-box;
}

.carousel[data-car="sky"] .car-body{position:relative;padding-bottom: 0;}
.carousel[data-car="sky"] .car-body::after{
  content:"";position:sticky;display:block;
  bottom:0;left:0;right:0;
  height: 40px;margin-bottom: 0px;
  pointer-events:none;
  background:linear-gradient(180deg,
      transparent 0%,
      color-mix(in srgb, var(--surface) 55%, transparent) 45%,
      color-mix(in srgb, var(--surface) 92%, transparent) 78%,
      var(--surface) 100%);
}


/* imagem do carrossel clicável para ampliar */
.car-media.is-zoomable{cursor:zoom-in}
.car-media.is-zoomable img{transition:transform 1.1s var(--ease)}
.car-media.is-zoomable:hover img{transform:scale(1.03)}
.car-media.is-zoomable:focus-visible{outline:2px solid var(--amber);outline-offset:-2px}

/* o topo nunca passa por baixo da barra fixa */
/*.hero-inner{padding-top:clamp(96px,14vh,150px)}*/

/* telas baixas: reduz o titulo e libera espaco */
@media (max-height:820px){
  .hero h1{font-size:clamp(1.7rem,3.6vw,3rem)}
  .hero-lead{font-size:1rem}
}

@media (max-height:680px){
  .hero{min-height:auto}
  .hero h1{font-size:clamp(1.5rem,3vw,2.2rem)}
  .readout{display:none}
}

/* --------------------------------------------- barra do topo em telas estreitas */
@media (max-width:720px){
  .topbar{flex-wrap:wrap;row-gap:10px;padding:10px var(--pad)}
  .brand{width:100%;order:1}
  .brand span{display:none}
  .top-right{order:2;width:100%;justify-content:flex-start}
  .toptab,.lang button{padding:6px 9px;font-size:.6rem;letter-spacing:.1em}
}

/* nada deve criar rolagem lateral */
html,body{max-width:100%;overflow-x:clip}

/* o rótulo do topo não quebra em número solto */
.hero-eyebrow{text-wrap:balance}