/* ==========================================================================
   WeSense — site. Executa o brandkit: sala de máquinas. Escuro frio, IBM Plex,
   Sinal ciano, grade visível, métricas como prova. Ver site-wesense/brandkit/.
   ========================================================================== */
:root{
  --c-grafite:#14171B; --c-nevoa:#E9ECEF; --c-sinal:#17B8C6; --c-aco:#8A929C; --c-cobalto:#2952CC;
  --c-nevoa-70:rgba(233,236,239,.70); --c-nevoa-50:rgba(233,236,239,.5);
  --c-aco-25:rgba(138,146,156,.25); --c-grafite-80:rgba(20,23,27,.8);
  --bg:var(--c-grafite); --fg:var(--c-nevoa); --fg-muted:var(--c-nevoa-70);
  --meta:var(--c-aco); --accent:var(--c-sinal); --grid-line:var(--c-aco-25);
  --font-sans:"IBM Plex Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
  --font-serif:"IBM Plex Serif",Georgia,serif;
  --fs-display:clamp(2.25rem,5.5vw,4.5rem); --fs-h2:clamp(1.6rem,3.4vw,2.25rem);
  --fs-body:1.0625rem; --fs-meta:.8125rem; --fs-metric:clamp(2.5rem,6vw,4.5rem);
  --lh-tight:1.05; --lh-body:1.6; --measure:64ch; --maxw:1200px;
  --pad:clamp(1.5rem,5vw,4rem); --radius:2px;
  --ease:cubic-bezier(.2,.7,.2,1); --dur:450ms;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--fg);font-family:var(--font-sans);
  font-size:var(--fs-body);line-height:var(--lh-body);-webkit-font-smoothing:antialiased;
  /* grade técnica sutil de fundo */
  background-image:linear-gradient(var(--c-aco-25) 1px,transparent 1px),linear-gradient(90deg,var(--c-aco-25) 1px,transparent 1px);
  background-size:64px 64px;background-position:center;
}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(120% 80% at 80% -10%,rgba(23,184,198,.10),transparent 55%);pointer-events:none;z-index:0}
main,.topbar,.rodape{position:relative;z-index:1}
.prosa{max-width:var(--measure);color:var(--fg-muted)}
.accent{color:var(--accent)}
.label,.mono{font-family:var(--font-mono);font-size:var(--fs-meta);letter-spacing:.04em;color:var(--meta)}
.label{text-transform:uppercase}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.metric{font-family:var(--font-sans);font-weight:600;font-size:var(--fs-metric);color:var(--accent);line-height:1;letter-spacing:-.02em}
.metric-plus{font-size:.5em;vertical-align:super;font-weight:500}
.metric-label{display:block;margin-top:.4rem;font-family:var(--font-mono);font-size:var(--fs-meta);text-transform:uppercase;letter-spacing:.04em;color:var(--meta);line-height:1.4}

/* RAIL (assinatura WeSense — painel lateral, desktop) */
.rail{display:none}
@media(min-width:980px){
  .rail{
    display:flex;flex-direction:column;gap:2rem;
    position:fixed;left:0;top:0;width:236px;height:100vh;z-index:20;
    padding:1.75rem 1.5rem;border-right:1px solid var(--grid-line);
    background:linear-gradient(180deg,rgba(23,184,198,.05),transparent 30%),var(--bg);
  }
  .rail-brand{font-weight:600;font-size:1.35rem;color:var(--fg);letter-spacing:-.01em}
  .rail-nav{display:flex;flex-direction:column;gap:.1rem;margin-top:.5rem}
  .rail-nav a{
    display:grid;grid-template-columns:1.9rem 1fr;align-items:baseline;gap:.4rem;
    color:var(--fg-muted);font-size:.95rem;padding:.55rem .5rem;border-left:2px solid transparent;
    transition:color .2s,border-color .2s,background-color .2s;
  }
  .rail-nav a:hover{color:var(--fg);text-decoration:none;background:rgba(138,146,156,.06)}
  .rail-nav a.is-current{color:var(--accent);border-left-color:var(--accent);background:rgba(23,184,198,.06)}
  .rn-num{font-family:var(--font-mono);font-size:.72rem;color:var(--accent);letter-spacing:.04em}
  .rail-status{margin-top:auto;line-height:1.7;text-transform:none}
  .rail-led{color:var(--accent);animation:sinal-pulse 2.4s var(--ease) infinite}
  @keyframes sinal-pulse{0%,100%{opacity:1}50%{opacity:.35}}

  .topbar{display:none}
  body{padding-left:236px}
  .hero,.section,.rodape{margin-left:0}
}

/* TOPBAR */
.topbar{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem var(--pad);background:var(--c-grafite-80);backdrop-filter:blur(8px);border-bottom:1px solid var(--grid-line)}
.brand{font-weight:600;font-size:1.25rem;color:var(--fg);letter-spacing:-.01em}
.brand-dot{color:var(--accent)}
.nav{display:flex;gap:1.75rem}
.nav a{color:var(--fg);font-size:.95rem}.nav a:hover{color:var(--accent);text-decoration:none}
.nav-toggle{display:none}
.nav-mobile{display:flex;flex-direction:column;gap:.25rem;padding:.5rem var(--pad) 1.25rem;border-bottom:1px solid var(--grid-line);background:var(--bg)}
.nav-mobile[hidden]{display:none}
.nav-mobile a{color:var(--fg);font-size:1.2rem;padding:.4rem 0}

/* HERO */
.hero{max-width:var(--maxw);margin:0 auto;padding:clamp(3.5rem,11vh,8rem) var(--pad) clamp(3rem,7vh,5rem)}
.hero-title{font-weight:600;font-size:var(--fs-display);line-height:var(--lh-tight);letter-spacing:-.02em;max-width:18ch;margin:1.25rem 0 1.5rem}
.hero-body{font-size:1.2rem;max-width:54ch;color:var(--fg-muted);margin-bottom:2.25rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:3.5rem}
.btn-primary,.btn-secondary{font-weight:600;font-size:1rem;padding:.8rem 1.4rem;border-radius:var(--radius);transition:transform var(--dur) var(--ease)}
.btn-primary{background:var(--accent);color:var(--c-grafite);border:1.5px solid var(--accent)}
.btn-secondary{background:transparent;color:var(--fg);border:1.5px solid var(--c-nevoa-50)}
.btn-primary:hover,.btn-secondary:hover{text-decoration:none;transform:translateY(-2px)}
.btn-secondary:hover{border-color:var(--fg)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;border-top:1px solid var(--grid-line);padding-top:2rem}
.metric-block{display:flex;flex-direction:column}

/* SECTIONS */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(3.5rem,9vh,7rem) var(--pad);border-top:1px solid var(--grid-line)}
.section-head{margin-bottom:clamp(2rem,5vw,3.5rem)}
.section-num{display:block;color:var(--accent);margin-bottom:.6rem}
.section-title{font-weight:600;font-size:var(--fs-h2);letter-spacing:-.015em;max-width:24ch}

/* FRENTES */
.frentes{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--grid-line);border:1px solid var(--grid-line)}
.frente{background:var(--bg);padding:clamp(1.5rem,3vw,2.25rem)}
.frente .fr-n{color:var(--accent);display:block;margin-bottom:.75rem}
.frente h3{font-weight:600;font-size:1.2rem;margin-bottom:.6rem}
.frente p{color:var(--fg-muted);font-size:1rem}
.frente-nota{grid-column:1/-1;display:flex;align-items:center}
.frente-nota p{text-transform:none;color:var(--fg-muted)}

/* COMO */
.como-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.como-grid .prosa{font-size:1.2rem}
.passos{list-style:none;display:flex;flex-direction:column;gap:0;border-top:1px solid var(--grid-line)}
.passos li{padding:1rem 0;border-bottom:1px solid var(--grid-line);font-weight:500;display:flex;gap:1rem;align-items:baseline}
.passos .label{color:var(--accent)}

/* TRABALHOS */
.trabalhos{list-style:none;display:flex;flex-direction:column;gap:1px;background:var(--grid-line);border:1px solid var(--grid-line)}
.trabalho{background:var(--bg);display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(1rem,3vw,2.5rem);padding:clamp(1.5rem,3vw,2.5rem);align-items:center}
.tr-metric{display:flex;flex-direction:column}
.tr-body h3{font-weight:600;font-size:1.35rem;margin-bottom:.3rem}
.tr-meta{margin-bottom:.6rem;text-transform:uppercase}
.roster{margin-top:2.5rem;border-top:1px solid var(--grid-line);padding-top:1.5rem}
.roster .label{display:block;margin-bottom:.6rem}
.roster-list{font-family:var(--font-mono);font-size:1.05rem;color:var(--fg);line-height:1.8}

/* CASES (trabalhos com imagem) */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--grid-line);border:1px solid var(--grid-line)}
.case{background:var(--bg);display:flex;flex-direction:column}
.case-wide{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.case-img{overflow:hidden;border-bottom:1px solid var(--grid-line);position:relative;aspect-ratio:16/10}
.case-wide .case-img{border-bottom:none;border-right:1px solid var(--grid-line);aspect-ratio:auto;min-height:100%}
.case-img img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92)}
.case-img::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(23,184,198,.10),transparent 50%,rgba(20,23,27,.35));pointer-events:none}
.case-body{padding:clamp(1.25rem,2.6vw,2rem);display:flex;flex-direction:column;gap:.35rem}
.case-metric{margin-bottom:.5rem}
.case-metric .metric{font-size:clamp(2rem,5vw,3.25rem)}
.case-body h3{font-weight:600;font-size:1.2rem}
.case-meta{text-transform:uppercase;margin-bottom:.4rem}
.case-body .prosa{font-size:1rem}

/* TIMELINE */
.timeline{list-style:none;border-left:1px solid var(--grid-line);margin-left:.5rem}
.timeline li{display:grid;grid-template-columns:7rem 1fr;gap:1rem 1.5rem;padding:0 0 2rem 1.5rem;position:relative}
.timeline li::before{content:"";position:absolute;left:-5px;top:.4rem;width:9px;height:9px;background:var(--accent);border-radius:50%}
.tl-year{color:var(--accent);padding-top:.15rem}
.timeline h3{font-weight:600;font-size:1.15rem;margin-bottom:.3rem}

/* ESTÚDIO */
.estudio-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.estudio-grid .prosa{font-size:1.2rem}
.memoria-card{border:1px solid var(--grid-line);padding:clamp(1.5rem,3vw,2rem);background:linear-gradient(160deg,rgba(23,184,198,.06),transparent)}
.memoria-card .label{color:var(--accent)}
.memoria-card h3{font-weight:600;font-size:1.5rem;margin:.4rem 0 .6rem}

/* CONTATO */
.contato-lede{font-weight:600;font-size:clamp(1.9rem,5vw,3.25rem);line-height:1.1;letter-spacing:-.02em;max-width:18ch;margin-bottom:1.5rem}
.contato-links{font-size:1.5rem;font-family:var(--font-mono)}

/* RODAPÉ */
.rodape{max-width:var(--maxw);margin:0 auto;padding:clamp(2.5rem,6vw,4rem) var(--pad) 3rem;border-top:1px solid var(--grid-line);display:flex;flex-direction:column;gap:.7rem}
.rodape-eco{display:flex;gap:1.5rem;align-items:baseline;flex-wrap:wrap}
.rodape-eco .label{text-transform:uppercase}
.rodape-eco a{font-weight:500}
.rodape-legal{color:var(--meta)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(8px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);transition-delay:calc(var(--d,0)*80ms)}
.reveal.is-in{opacity:1;transform:none}

/* RESPONSIVO */
@media(max-width:820px){
  .nav{display:none}
  .nav-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
  .nav-toggle span{width:24px;height:2px;background:var(--fg);transition:transform .2s,opacity .2s}
  .nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-7px) rotate(-45deg)}
  .frentes{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:1.5rem}
  .como-grid,.estudio-grid{grid-template-columns:1fr}
  .trabalho{grid-template-columns:1fr;gap:1rem}
  .cases{grid-template-columns:1fr}
  .case-wide{grid-template-columns:1fr}
  .case-wide .case-img{border-right:none;border-bottom:1px solid var(--grid-line);aspect-ratio:16/10}
  .timeline li{grid-template-columns:5rem 1fr;gap:.5rem 1rem}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}

/* desktop: rail substitui a topbar (override de ordem) */
@media(min-width:980px){
  .topbar{display:none !important}
  .nav-mobile{display:none !important}
}

/* ---- cases clicáveis + badge/play ---- */
.case-img[data-gallery]{cursor:pointer}
.case-img[data-gallery] img{transition:transform .6s var(--ease)}
.case-img[data-gallery]:hover img{transform:scale(1.03)}
.case-badge{position:absolute;z-index:3;right:.6rem;bottom:.6rem;background:var(--c-grafite);color:var(--c-nevoa);padding:.3rem .6rem;border-radius:var(--radius);font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em;line-height:1;opacity:.94;border:1px solid var(--grid-line)}
.case-img[data-gallery]:hover .case-badge{background:var(--accent);color:var(--c-grafite);border-color:var(--accent)}
.case-play{position:absolute;z-index:3;inset:0;margin:auto;width:3.6rem;height:3.6rem;display:grid;place-items:center;border-radius:50%;border:1.5px solid rgba(233,236,239,.85);background:rgba(20,23,27,.4);color:var(--c-nevoa);font-size:1rem;padding-left:.18rem;transition:background-color .2s var(--ease),transform .2s var(--ease)}
.case-img[data-gallery]:hover .case-play{background:var(--accent);color:var(--c-grafite);border-color:var(--accent);transform:scale(1.06)}

/* ---- fix de corte: imagens não-wide mostram inteiras (contain) ---- */
.case:not(.case-wide) .case-img{background:#0f1216}
.case:not(.case-wide) .case-img img{object-fit:contain}
.case:not(.case-wide) .case-img::after{opacity:.5}

/* ---- LIGHTBOX / carrossel ---- */
.lightbox{position:fixed;inset:0;z-index:50;display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:1fr auto;align-items:center;gap:.5rem;padding:clamp(1rem,4vw,3rem);background:rgba(10,12,15,.97);backdrop-filter:blur(6px)}
.lightbox[hidden]{display:none}
.lb-stage{grid-column:2;grid-row:1;display:grid;place-items:center;width:100%;height:100%;min-height:0}
.lb-img,.lb-video{max-width:100%;max-height:80vh;object-fit:contain;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb-img{opacity:0;transition:opacity .3s var(--ease)}.lb-img.is-ready{opacity:1}
.lb-video{width:auto;background:#000}
.lb-img[hidden],.lb-video[hidden]{display:none}
.lb-nav,.lb-close{background:transparent;border:1px solid rgba(233,236,239,.25);color:var(--c-nevoa);cursor:pointer;border-radius:var(--radius)}
.lb-nav{grid-row:1;width:3rem;height:3rem;font-size:1.6rem;line-height:1}
.lb-prev{grid-column:1}.lb-next{grid-column:3}
.lb-nav:hover,.lb-close:hover{background:rgba(23,184,198,.2);border-color:var(--accent)}
.lb-close{position:absolute;top:clamp(1rem,3vw,2rem);right:clamp(1rem,3vw,2rem);width:2.75rem;height:2.75rem;font-size:1.75rem;line-height:1;z-index:2}
.lb-caption{grid-column:2;grid-row:2;display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1rem;justify-content:center;text-align:center;color:var(--c-nevoa);padding-top:1rem}
.lb-title{color:var(--accent);font-family:var(--font-mono);font-size:.8125rem;text-transform:uppercase;letter-spacing:.08em}
.lb-legenda{font-size:1.05rem;color:rgba(233,236,239,.85)}
.lb-counter{font-family:var(--font-mono);font-size:.8125rem;color:rgba(233,236,239,.55)}
@media(max-width:980px){.lightbox{padding-left:1rem}}