/* ==========================================================================
   SISTEMA — Design system "Ciência Silenciosa" (reposicionamento Hudson Emanuel)
   Base reutilizável: site institucional + landing pages.
   Direção: luxo silencioso + registro científico-editorial. Retilíneo, respiro,
   um acento por vez. Comprometido com o mundo claro (editorial de pedra/verde).
   Tokens com prefixo próprio (--s-*, --f-*) para não colidir com config.js.
   ========================================================================== */
:root{
  /* Cor — cor como estrutura, não decoração */
  --s-gesso:#ECE8DF;   /* fundo */
  --s-papel:#F6F3EC;   /* superfície elevada */
  --s-tinta:#191C18;   /* texto / quase-preto verde */
  --s-verde:#22302A;   /* primária — verde mineral profundo */
  --s-verde-2:#3C4C43; /* apoio */
  --s-bronze:#9C7C49;  /* acento raro (autoridade) */
  --s-vinho:#4B2A33;   /* acento científico raro */
  --s-pedra:#7E8079;   /* neutro secundário */
  --s-muted:#5C5F57;   /* texto secundário */
  --s-linha:rgba(25,28,24,.14);
  --s-linha-2:rgba(25,28,24,.28);

  /* Tipografia — prefixo --f- para blindar do injetor de config */
  --f-display:"Hoefler Text","Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --f-body:-apple-system,"Segoe UI",system-ui,"Helvetica Neue",Arial,sans-serif;
  --f-mono:"SFMono-Regular","Cascadia Mono","Roboto Mono",Consolas,"Liberation Mono",ui-monospace,monospace;

  --s-mx:clamp(20px,5vw,72px);      /* margem lateral */
  --s-medida:64ch;                   /* largura de leitura */
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--s-gesso);color:var(--s-tinta);
  font-family:var(--f-body);font-weight:400;line-height:1.62;letter-spacing:.01em;
  font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:400;line-height:1.08;color:var(--s-tinta);
  text-wrap:balance;margin:0;letter-spacing:-.01em}
p{margin:0 0 1em;max-width:var(--s-medida)}
strong{font-weight:600}
::selection{background:var(--s-verde);color:var(--s-gesso)}
:focus-visible{outline:2px solid var(--s-bronze);outline-offset:3px}

/* Tipos utilitários */
.s-eyebrow{font-family:var(--f-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--s-bronze);display:block}
.s-lede{font-family:var(--f-display);font-weight:400;font-size:clamp(21px,2.7vw,30px);line-height:1.4;
  color:var(--s-verde-2);letter-spacing:-.01em;max-width:34ch}
.s-muted{color:var(--s-muted)}
.s-mono{font-family:var(--f-mono)}

.s-display{font-family:var(--f-display);font-weight:400;font-size:clamp(42px,7vw,84px);
  line-height:.98;letter-spacing:-.02em}
h2.s-h2{font-size:clamp(28px,4.2vw,46px)}

/* Layout */
.s-wrap{max-width:1120px;margin:0 auto;padding:0 var(--s-mx)}
.s-narrow{max-width:760px}
.s-section{padding:clamp(56px,9vw,120px) 0;border-top:1px solid var(--s-linha)}
.s-section--plain{border-top:0}
.s-surface{background:var(--s-papel)}
.s-dark{background:var(--s-verde);color:var(--s-gesso)}
.s-dark h1,.s-dark h2,.s-dark h3{color:var(--s-gesso)}
.s-dark p{color:rgba(236,232,223,.82)}
.s-dark .s-eyebrow{color:#CBB07E}

.s-grid{display:grid;gap:clamp(20px,3vw,44px)}
.s-2{grid-template-columns:1fr 1fr}
.s-2-3{grid-template-columns:2fr 3fr}
.s-3-2{grid-template-columns:3fr 2fr}
.s-3{grid-template-columns:repeat(3,1fr)}
.s-items-center{align-items:center}

/* Cabeçalho de seção editorial: eyebrow + título + intro (bloco CENTRADO no container) */
.s-head{max-width:640px;margin-inline:auto;text-align:center}
.s-head .s-eyebrow{margin-bottom:14px}
.s-head h2{margin:0 0 14px}
.s-head p{color:var(--s-muted);max-width:56ch;margin-inline:auto}

/* Fio curto de autoridade */
.s-rule{width:52px;height:2px;background:var(--s-bronze);border:0;margin:0 0 22px}

/* Botões — retilíneos, sem raio */
.s-btn{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 26px;
  font-family:var(--f-body);font-size:14.5px;letter-spacing:.04em;cursor:pointer;
  border:1px solid transparent;transition:background .2s,color .2s,border-color .2s;text-align:center}
.s-btn--primary{background:var(--s-verde);color:var(--s-gesso)}
.s-btn--primary:hover{background:var(--s-tinta)}
.s-btn--ghost{background:transparent;color:var(--s-verde);border-color:var(--s-linha-2)}
.s-btn--ghost:hover{border-color:var(--s-verde);background:rgba(34,48,42,.05)}
.s-dark .s-btn--primary{background:var(--s-bronze);color:var(--s-tinta)}
.s-dark .s-btn--primary:hover{background:var(--s-gesso)}
.s-dark .s-btn--ghost{color:var(--s-gesso);border-color:rgba(236,232,223,.4)}
.s-btn--sm{min-height:42px;padding:0 16px;font-size:13px}

/* Topbar + navegação */
.s-topbar{position:sticky;top:0;z-index:50;background:rgba(236,232,223,.86);
  backdrop-filter:saturate(1.1) blur(10px);border-bottom:1px solid var(--s-linha)}
.s-topbar__in{max-width:1120px;margin:0 auto;padding:14px var(--s-mx);
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.s-brand{display:inline-flex;align-items:baseline;gap:10px;font-family:var(--f-display);font-size:21px;letter-spacing:-.01em}
.s-brand small{font-family:var(--f-mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--s-bronze)}
.s-nav{display:flex;align-items:center;gap:26px}
.s-nav>a{font-size:14px;color:var(--s-tinta);opacity:.78;transition:opacity .15s,color .15s;white-space:nowrap}
.s-nav>a:hover{opacity:1;color:var(--s-bronze)}
.s-nav__cta{margin-left:6px}
.s-burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;
  justify-content:center;background:none;border:0;cursor:pointer}
.s-burger span{width:24px;height:1.5px;background:var(--s-tinta);transition:.25s}

/* Marcadores de lista editoriais */
.s-list{list-style:none;padding:0;margin:0 auto;max-width:720px}
.s-list li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:14px 0;
  border-top:1px solid var(--s-linha);align-items:baseline;font-size:16.5px}
.s-list li:last-child{border-bottom:1px solid var(--s-linha)}
.s-list li::before{content:"—";color:var(--s-bronze);font-family:var(--f-mono)}

/* Fluxo do método (sequência real → numerado) */
.s-flow{list-style:none;counter-reset:st;padding:0;margin:0}
.s-flow li{counter-increment:st;display:grid;grid-template-columns:auto 1fr;gap:18px;
  padding:18px 0;border-top:1px solid var(--s-linha);align-items:baseline}
.s-flow li:last-child{border-bottom:1px solid var(--s-linha)}
.s-flow li::before{content:counter(st,decimal-leading-zero);font-family:var(--f-mono);font-size:12px;
  color:var(--s-bronze);border:1px solid var(--s-linha-2);width:34px;height:34px;
  display:grid;place-items:center;letter-spacing:.02em}
.s-flow b{font-family:var(--f-display);font-weight:400;font-size:20px;display:block}
.s-flow span{color:var(--s-muted);font-size:14.5px}

/* "Áreas por necessidade" — lista tipográfica, não grade de cards */
.s-needs{columns:2;column-gap:44px}
.s-needs a{display:block;padding:16px 0;border-top:1px solid var(--s-linha);
  break-inside:avoid;transition:color .15s}
.s-needs a:hover{color:var(--s-bronze)}
.s-needs h3{font-size:20px;margin:0}
.s-needs p{font-size:14px;color:var(--s-muted);margin:6px 0 0}

/* Tags discretas */
.s-tag{display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;border:1px solid var(--s-linha-2);color:var(--s-verde-2);padding:6px 12px;margin:0 8px 8px 0}

/* Figura / retrato editorial (placeholder digno enquanto não há foto autoral) */
.s-figure{position:relative;overflow:hidden;background:
  linear-gradient(160deg,var(--s-verde) 0%,var(--s-tinta) 100%);aspect-ratio:4/5;
  display:grid;place-items:center}
.s-figure__ph{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(236,232,223,.45);text-align:center;padding:20px}
.s-figure img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* FAQ acordeão (quando usado) */
.s-faq{border-top:1px solid var(--s-linha)}
.s-faq__item{border-bottom:1px solid var(--s-linha)}
.s-faq__q{width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:22px 44px 22px 0;position:relative;font-family:var(--f-display);font-size:20px;
  color:var(--s-tinta);min-height:52px}
.s-faq__q::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  color:var(--s-bronze);font-size:22px;font-family:var(--f-mono)}
.s-faq__item.open .s-faq__q::after{content:"–"}
.s-faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.s-faq__item.open .s-faq__a{max-height:460px;padding-bottom:22px}
.s-faq__a p{color:var(--s-muted);font-size:15.5px;margin:0}

/* Rodapé institucional */
.s-foot{background:var(--s-verde);color:var(--s-gesso);padding:clamp(48px,7vw,88px) 0 56px}
.s-foot h3{color:var(--s-gesso);font-size:26px}
.s-foot .s-foot__pos{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#CBB07E;margin-top:8px}
.s-foot a{color:var(--s-gesso);border-bottom:1px solid rgba(236,232,223,.3)}
.s-foot__op{margin-top:26px;color:rgba(236,232,223,.86)}
.s-foot__legal{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:16px;font-family:var(--f-mono);
  font-size:12px;color:rgba(236,232,223,.7)}
.s-foot__links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;font-size:13.5px}
.s-foot__links .sep{opacity:.4}
/* Rodapé-mapa (navegação completa, injetado em todas as páginas) */
.s-foot__nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;padding-top:20px;border-top:1px solid rgba(236,232,223,.18)}
.s-foot__nav a{color:rgba(236,232,223,.82);font-size:13.5px;border-bottom:0;transition:color .15s}
.s-foot__nav a:hover{color:#CBB07E}
.s-foot__nav .grp{font-family:var(--f-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#CBB07E;width:100%;margin:8px 0 -2px}
.s-foot__aviso{font-size:12px;color:rgba(236,232,223,.6);border-left:2px solid #CBB07E;
  padding-left:14px;margin-top:20px;max-width:72ch}
.s-foot__mini{display:block;margin-top:28px;font-family:var(--f-mono);font-size:11px;color:rgba(236,232,223,.5)}

/* Reveal suave */
.s-rv{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s ease}
.s-rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.s-rv{opacity:1;transform:none;transition:none}}

/* WhatsApp flutuante */
.s-float{position:fixed;right:18px;bottom:18px;z-index:60;box-shadow:0 14px 34px rgba(25,28,24,.24)}

/* Responsivo */
@media (max-width:900px){
  .s-2,.s-2-3,.s-3{grid-template-columns:1fr}
  .s-needs{columns:1}
  .s-nav{position:fixed;inset:0 0 0 auto;width:min(84vw,360px);background:var(--s-gesso);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:2px;
    padding:92px 28px 28px;box-shadow:-18px 0 44px rgba(25,28,24,.16);
    transform:translateX(100%);transition:transform .3s ease;z-index:45;overflow-y:auto}
  .s-nav.open{transform:translateX(0)}
  .s-nav>a{width:100%;padding:16px 0;font-size:17px;border-bottom:1px solid var(--s-linha);opacity:1}
  .s-nav__cta{width:100%;margin:16px 0 0}
  .s-nav__cta .s-btn{width:100%;justify-content:center}
  .s-burger{display:flex}
}
@media (max-width:560px){
  body{font-size:16px}
  .s-cta-row .s-btn{width:100%;justify-content:center}
}