/* =====================================================================
   SALIENCE — design tokens e componentes-base da marca
   Temas: institutional-light (default) · lab-dark ([data-theme="lab"])
   Direção: PRECISÃO HUMANA, COM RIGOR INSTITUCIONAL.

   Acessibilidade (WCAG, calculado 2026-07-18):
     claro: navy/ivory 14.9:1 · texto-2 #4E5D6B 6.05:1 · link #12707C 5.16:1
            amber-ink #7A5410 6.05:1 · erro #B3261E 5.84:1
            REGRA: ciano #27B8C7 e âmbar #D99A2B NUNCA como texto sobre claro
            (2.4:1) — apenas bordas, preenchimentos e acentos gráficos.
     lab:   txt 15.9:1 · cyan-lab 9.0:1 · amber-lab 8.7:1 · muted 7.2:1
   ===================================================================== */
:root{
  /* paleta institucional */
  --sal-navy:#0B1F33;
  --sal-ivory:#F4F2EC;
  --sal-cyan:#27B8C7;
  --sal-amber:#D99A2B;
  --sal-slate:#687886;
  --sal-white:#FFFFFF;

  /* derivados acessiveis */
  --sal-cyan-ink:#12707C;      /* texto/link ciano sobre claro */
  --sal-amber-ink:#7A5410;     /* texto ambar sobre claro */
  --sal-slate-deep:#4E5D6B;    /* texto secundario sobre claro */
  --sal-red:#B3261E;           /* SOMENTE erro/falha/indisponivel */

  /* tema claro (default institucional) */
  --bg:var(--sal-ivory);
  --surface:var(--sal-white);
  --surface-2:#EDEAE1;
  --txt:var(--sal-navy);
  --txt-2:var(--sal-slate-deep);
  --txt-3:var(--sal-slate);            /* apenas texto grande/decorativo */
  --line:rgba(11,31,51,.14);
  --line-strong:rgba(11,31,51,.28);
  --link:var(--sal-cyan-ink);
  --accent:var(--sal-cyan);
  --signal:var(--sal-amber);
  --signal-ink:var(--sal-amber-ink);
  --error:var(--sal-red);

  /* tipografia da marca */
  --f-display:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Source Sans 3","Source Sans Pro",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;

  /* metricas */
  --maxw:1140px;
  --r-sm:4px; --r-md:8px; --r-lg:14px;
  --shadow-1:0 1px 2px rgba(11,31,51,.06),0 4px 14px rgba(11,31,51,.06);
  --shadow-2:0 2px 6px rgba(11,31,51,.08),0 12px 34px rgba(11,31,51,.10);
  --focus:0 0 0 3px rgba(39,184,199,.45);
  --ease:cubic-bezier(.22,1,.36,1);
}

/* tema escuro do SALIENCE Lab (azul profundo, nao preto absoluto) */
[data-theme="lab"]{
  --bg:#081420;
  --surface:#0E1D2E;
  --surface-2:#13273B;
  --txt:#E9EEF3;
  --txt-2:#93A4B4;
  --txt-3:#93A4B4;
  --line:rgba(233,238,243,.10);
  --line-strong:rgba(233,238,243,.22);
  --link:#3FC6D4;
  --accent:#3FC6D4;
  --signal:#E2A83D;
  --signal-ink:#E2A83D;
  --error:#FF5C6C;
  --shadow-1:0 2px 10px rgba(0,0,0,.35);
  --shadow-2:0 12px 40px rgba(0,0,0,.5);
  --focus:0 0 0 3px rgba(63,198,212,.5);
}

/* ---------------- base ---------------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:var(--f-body);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--sal-cyan);color:var(--sal-navy)}
img,svg{max-width:100%}
a{color:var(--link)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--sal-navy);color:#fff;
  padding:10px 18px;z-index:200;font-family:var(--f-mono);font-size:13px}
.skip-link:focus{left:12px;top:12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,44px)}
section.blk{padding:clamp(56px,9vh,110px) 0}

h1,h2,h3,h4{font-family:var(--f-display);letter-spacing:-.015em;line-height:1.12;font-weight:700}
h1{font-size:clamp(34px,5.2vw,60px)}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:clamp(19px,2.2vw,24px)}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--sal-cyan-ink);display:flex;align-items:center;gap:12px;margin-bottom:18px}
[data-theme="lab"] .eyebrow{color:var(--accent)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent)}
.lead{color:var(--txt-2);font-size:clamp(16.5px,1.6vw,19px);max-width:62ch;margin-top:16px}
.mono{font-family:var(--f-mono)}

/* ---------------- marca ---------------- */
.brandlock{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--txt)}
.brandlock .mark{flex:none;display:block}
.brandlock .wordmark{display:flex;flex-direction:column;line-height:1}
.brandlock .wordmark b{font-family:var(--f-display);font-weight:800;font-size:18px;letter-spacing:.14em}
.brandlock .wordmark span{font-family:var(--f-mono);font-size:8.5px;letter-spacing:.3em;
  color:var(--txt-2);margin-top:4px;text-transform:uppercase}
.brandlock.lg .wordmark b{font-size:24px}
.brandlock.lg .wordmark span{font-size:10px}

/* ---------------- header ---------------- */
.site-head{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.nav-main{display:flex;align-items:center;gap:26px}
.nav-main a{font-family:var(--f-display);font-weight:600;font-size:14.5px;text-decoration:none;
  color:var(--txt-2);padding:6px 2px;transition:color .25s}
.nav-main a:hover,.nav-main a[aria-current="page"]{color:var(--txt)}
.nav-main a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;background:none;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  padding:9px 12px;cursor:pointer;color:var(--txt);font-family:var(--f-mono);font-size:12px;letter-spacing:.1em}
@media(max-width:920px){
  .nav-main{display:none;position:absolute;top:72px;left:0;right:0;background:var(--bg);
    border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 0;gap:0}
  .nav-main.open{display:flex}
  .nav-main a{padding:14px clamp(18px,4vw,44px);border-top:1px solid var(--line);font-size:16px}
  .menu-btn{display:block}
  .nav-cta .btn{display:none}
}

/* ---------------- botoes ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--f-display);
  font-weight:700;font-size:15px;text-decoration:none;border-radius:var(--r-md);padding:13px 24px;
  border:1px solid transparent;cursor:pointer;transition:all .25s var(--ease);min-height:44px}
.btn-primary{background:var(--sal-navy);color:#fff}
.btn-primary:hover{background:#123049;box-shadow:var(--shadow-1)}
[data-theme="lab"] .btn-primary{background:var(--accent);color:#06121C}
[data-theme="lab"] .btn-primary:hover{filter:brightness(1.08)}
.btn-secondary{background:transparent;color:var(--txt);border-color:var(--line-strong)}
.btn-secondary:hover{border-color:var(--accent);color:var(--txt)}
.btn-link{background:none;border:none;color:var(--link);font-family:var(--f-display);font-weight:700;
  text-decoration:none;padding:6px 0}
.btn-link:hover{text-decoration:underline}

/* ---------------- tags / estados ---------------- */
.tagx{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:11px;
  letter-spacing:.08em;text-transform:uppercase;border-radius:99px;padding:4px 12px;border:1px solid}
.tagx-signal{color:var(--signal-ink);border-color:var(--sal-amber);background:rgba(217,154,43,.12)}
.tagx-ok{color:var(--sal-cyan-ink);border-color:var(--sal-cyan);background:rgba(39,184,199,.10)}
[data-theme="lab"] .tagx-ok{color:var(--accent)}
.tagx-neutral{color:var(--txt-2);border-color:var(--line-strong);background:transparent}
.tagx-error{color:var(--error);border-color:var(--error);background:rgba(179,38,30,.08)}
.tagx-dev{color:var(--txt-2);border-color:var(--line-strong);background:var(--surface-2)}

/* status de disponibilidade (solucoes/servicos — nunca inventar prontidao) */
.status-dot{width:8px;height:8px;border-radius:50%;flex:none}
.status-dot.demo{background:var(--sal-cyan)}
.status-dot.dev{background:var(--sal-slate)}
.status-dot.pilot{background:var(--sal-amber)}

/* ---------------- cards ---------------- */
.cardx{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(20px,3vw,30px);box-shadow:var(--shadow-1)}
.cardx h3{margin-bottom:10px}
.cardx p{color:var(--txt-2);font-size:15.5px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.5vw,26px)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.5vw,26px)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,22px)}
@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ---------------- Cartao de Evidencia ---------------- */
.evidence{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);overflow:hidden;max-width:520px;font-size:15px}
.evidence .ev-head{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:14px 20px;border-bottom:1px solid var(--line);background:var(--surface-2)}
[data-theme="lab"] .evidence .ev-head{background:var(--surface-2)}
.evidence .ev-code{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--txt)}
.evidence .ev-body{padding:20px}
.evidence .ev-title{font-family:var(--f-display);font-weight:700;font-size:18px;margin-bottom:14px}
.evidence .ev-meta{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;margin-bottom:16px}
.evidence .ev-meta div{background:var(--surface);padding:10px 14px}
.evidence .ev-meta span{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--txt-2);margin-bottom:4px}
.evidence .ev-meta b{font-family:var(--f-mono);font-size:13px;font-weight:500}
.evidence .ev-q{margin-top:14px}
.evidence .ev-q h5{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sal-cyan-ink);margin-bottom:6px}
[data-theme="lab"] .evidence .ev-q h5{color:var(--accent)}
.evidence .ev-q p{color:var(--txt-2);font-size:14.5px}
.evidence .ev-foot{padding:12px 20px;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:10.5px;color:var(--txt-2);letter-spacing:.04em;
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.evidence .ev-disclaimer{padding:10px 20px;background:rgba(217,154,43,.10);
  border-top:1px solid rgba(217,154,43,.4);font-size:13px;color:var(--txt-2)}
.evidence .ev-disclaimer b{color:var(--signal-ink)}

/* intensidade (sem cor unica: barra + rotulo) */
.intensity{display:inline-flex;align-items:center;gap:7px}
.intensity i{width:22px;height:6px;border-radius:3px;background:var(--surface-2);border:1px solid var(--line)}
.intensity i.on{background:var(--sal-amber);border-color:var(--sal-amber)}

/* ---------------- breadcrumb ---------------- */
.crumbs{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--txt-2)}
.crumbs a{color:var(--txt-2);text-decoration:none}
.crumbs a:hover{color:var(--link)}
.crumbs .sep{opacity:.5}
.crumbs [aria-current]{color:var(--txt)}

/* ---------------- fluxo (fontes -> evidencia) ---------------- */
.flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--f-mono);
  font-size:12px;letter-spacing:.06em;color:var(--txt-2)}
.flow .node{border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:8px 14px;background:var(--surface)}
.flow .node.hot{border-color:var(--sal-amber);color:var(--signal-ink);background:rgba(217,154,43,.08)}
.flow .arr{color:var(--accent);font-size:14px}

/* ---------------- footer ---------------- */
.site-foot{border-top:1px solid var(--line);padding:clamp(40px,6vw,64px) 0 40px;margin-top:20px}
.site-foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:26px}
@media(max-width:860px){.site-foot .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.site-foot .cols{grid-template-columns:1fr}}
.site-foot h6{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--txt-2);margin-bottom:14px}
.site-foot a{display:block;color:var(--txt-2);text-decoration:none;font-size:14.5px;padding:4px 0}
.site-foot a:hover{color:var(--link)}
.site-foot .fine{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:11.5px;color:var(--txt-2);line-height:1.8}

/* ---------------- estados ---------------- */
.empty-x,.loading-x{padding:48px 20px;text-align:center;color:var(--txt-2);
  font-family:var(--f-mono);font-size:13px;border:1px dashed var(--line-strong);border-radius:var(--r-md)}
.error-x{padding:16px 20px;border:1px solid var(--error);border-radius:var(--r-md);
  color:var(--error);font-size:14.5px;background:rgba(179,38,30,.06)}

/* ---------------- util ---------------- */
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.stack-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.principle{font-family:var(--f-mono);font-size:13px;letter-spacing:.08em;color:var(--txt-2);margin-top:22px}
.principle b{color:var(--signal-ink)}
[data-theme="lab"] .principle b{color:var(--signal)}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* ---------------- Cartao de Evidencia: estados da revisao ----------------
   nao revisado=neutro · em analise=ciano · pendente=AMBAR · validado=verde
   descartado=ardosia · erro real (fonte inacessivel/falha)=vermelho */
.ev-state-unreviewed{color:var(--txt-2);border-color:var(--line-strong);background:transparent}
.ev-state-analysis{color:var(--sal-cyan-ink);border-color:var(--sal-cyan);background:rgba(39,184,199,.10)}
[data-theme="lab"] .ev-state-analysis{color:var(--accent)}
.ev-state-pending{color:var(--signal-ink);border-color:var(--sal-amber);background:rgba(217,154,43,.12)}
.ev-state-validated{color:#1E7A55;border-color:#2FA372;background:rgba(47,163,114,.10)}
[data-theme="lab"] .ev-state-validated{color:#54D6A0;border-color:#54D6A0}
.ev-state-dismissed{color:var(--txt-2);border-color:var(--sal-slate);background:var(--surface-2)}
.ev-state-error{color:var(--error);border-color:var(--error);background:rgba(179,38,30,.08)}