/* ==========================================================================
   NewCorp.ai — base.css
   Design system compartilhado por todas as páginas.
   Cores e tipografia validadas (v5). Ajuste desta versão: mais respiro,
   menos densidade visual, hierarquia mais calma (referência Anthropic).
   ========================================================================== */

:root{
  --ink:#0A0A0A; --white:#FFF; --cream:#FAF9F6;
  --graphite:#5A5A5A; --gray:#909090; --border:#E4E3DE;
  --border-soft:#EEEDE8;
  /* tons quentes off-white (referência Anthropic), neutros */
  --sand:#F1EEE6;            /* superfície quente alternativa ao cream */
  --sand-deep:#E9E4D8;       /* faixa mais marcada */
  --ink-soft:#161514;        /* preto levemente quente, menos duro que #0A0A0A */
  --maxw:1200px;
  --r-lg:20px; --r-md:14px; --r-pill:999px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--cream);color:var(--ink);
  font-family:'DM Sans',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  font-size:16px;line-height:1.6;
}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
img{max-width:100%;display:block;}
::selection{background:var(--ink);color:var(--cream);}

.ital{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;letter-spacing:-.005em;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
@media(max-width:780px){.wrap{padding:0 22px;}}

.center{text-align:center;}
.muted{color:var(--graphite);}

/* ─── Botões ─── */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font:500 14px/1 'DM Sans';letter-spacing:.02em;
  padding:15px 24px;border-radius:var(--r-pill);
  border:1px solid var(--ink);background:var(--ink);color:var(--cream);
  transition:transform .18s var(--ease),background .18s var(--ease),opacity .18s var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);background:#1a1a1a;}
.btn.ghost{background:transparent;color:var(--ink);}
.btn.ghost:hover{background:var(--ink);color:var(--cream);}
.btn.sm{padding:11px 18px;font-size:13px;}
.btn .arrow{display:inline-block;transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}

/* ─── NAV ─── */
.nav{
  position:sticky;top:0;z-index:60;height:64px;
  background:rgba(250,249,246,.82);
  backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 32px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
@media(max-width:780px){.nav-inner{padding:0 22px;}}
.nav-mark{font-family:'Archivo Black',sans-serif;font-size:15px;letter-spacing:.01em;}
.nav-mark .ai{color:var(--graphite);font-family:'Archivo',sans-serif;font-weight:800;font-size:.9em;}
.nav-links{display:flex;gap:30px;}
.nav-links a{
  font:500 13px/1 'DM Sans';letter-spacing:.01em;color:var(--graphite);
  transition:color .15s var(--ease);position:relative;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-6px;height:1.5px;background:var(--ink);
}
.nav-cta{
  font:500 13px/1 'DM Sans';letter-spacing:.01em;
  border:1px solid var(--ink);padding:11px 18px;border-radius:var(--r-pill);
  transition:background .15s var(--ease),color .15s var(--ease);
}
.nav-cta:hover{background:var(--ink);color:var(--cream);}
.nav-burger{display:none;width:24px;height:24px;flex-direction:column;justify-content:center;gap:5px;}
.nav-burger span{display:block;height:1.5px;background:var(--ink);transition:.2s var(--ease);}
@media(max-width:880px){
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;
    background:var(--cream);border-bottom:1px solid var(--border);
    padding:8px 22px 18px;transform:translateY(-130%);transition:transform .25s var(--ease);
    box-shadow:0 14px 30px rgba(0,0,0,.06);
  }
  .nav-links.open{transform:translateY(0);}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--border-soft);font-size:15px;}
  .nav-links a:last-child{border-bottom:0;}
  .nav-burger{display:flex;}
  .nav.menu-open .nav-burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .nav.menu-open .nav-burger span:nth-child(2){opacity:0;}
  .nav.menu-open .nav-burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
}

/* ─── Eyebrow / rótulo de seção ─── */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font:500 12px/1 'DM Sans';letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);
  margin-bottom:22px;
}
.eyebrow .bar{width:24px;height:1px;background:var(--graphite);}

/* ─── Section ─── */
section.sec{padding:104px 0;border-bottom:1px solid var(--border-soft);}
@media(max-width:780px){section.sec{padding:68px 0;}}
.sec-head{max-width:720px;margin-bottom:56px;}
.sec-title{
  font-family:'Archivo Black',sans-serif;
  font-size:clamp(30px,4.4vw,52px);line-height:1.02;letter-spacing:-.025em;
}
.sec-lead{font-size:18px;line-height:1.65;color:var(--graphite);margin-top:18px;max-width:60ch;}

/* ─── Page hero genérico (páginas internas) ─── */
.page-hero{padding:84px 0 64px;border-bottom:1px solid var(--border-soft);}
.page-hero h1{
  font-family:'Archivo Black',sans-serif;
  font-size:clamp(40px,6vw,76px);line-height:.96;letter-spacing:-.035em;max-width:16ch;
}
.page-hero .lead{font-size:19px;line-height:1.6;color:var(--graphite);margin-top:24px;max-width:58ch;}
/* título forçado em 2 linhas: 2ª linha não quebra (evita viúva "vivo.") */
.page-hero h1.nowrap-2{max-width:none;}
.page-hero h1.nowrap-2 .l2{white-space:nowrap;}
@media(max-width:680px){
  .page-hero h1.nowrap-2 .l2{white-space:normal;}
}

/* ─── Surfaces escuras reutilizáveis ─── */
.dark{background:var(--ink);color:var(--cream);}
.dark .sec-title{color:var(--cream);}
.dark .sec-lead,.dark .lead{color:#9a9a9a;}
.dark .eyebrow,.dark .eyebrow .bar{color:#8a8a8a;background-color:transparent;}
.dark .eyebrow .bar{background:#5a5a5a;}

/* ─── FOOTER ─── */
footer{background:var(--ink);color:var(--gray);padding:72px 0 40px;}
.ft{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
@media(max-width:780px){.ft{grid-template-columns:1fr 1fr;gap:34px;}}
.ft-mark{font-family:'Archivo Black',sans-serif;font-size:22px;color:var(--cream);letter-spacing:-.02em;}
.ft-mark .ai{color:var(--gray);font-family:'Archivo',sans-serif;font-weight:800;font-size:.9em;}
.ft p{font-size:14px;line-height:1.65;margin-top:14px;max-width:34ch;}
.ft h5{font:500 11px/1 'DM Sans';letter-spacing:.2em;text-transform:uppercase;color:var(--cream);margin-bottom:18px;}
.ft ul{list-style:none;display:grid;gap:12px;}
.ft li a,.ft li span{font-size:14px;color:var(--gray);transition:color .15s var(--ease);}
.ft li a:hover{color:var(--cream);}
.ft-bot{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid #1c1c1c;margin-top:56px;padding-top:26px;font-size:12px;color:var(--gray);
}
@media(max-width:780px){.ft-bot{flex-direction:column;gap:8px;}}

/* ─── Logos de clientes ───
   Cada logo vive numa caixa de tamanho fixo e cabe dentro com object-fit.
   Normaliza marcas de proporção muito diferente (Renault alta, Exxon larga).
   Todas em PRETO sólido (brightness(0)) para uniformizar — independe da cor original. */
.logo-item{
  display:flex;align-items:center;justify-content:center;
  width:140px;height:44px;
}
.logo-img{
  max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
  filter:brightness(0);opacity:.6;
  transition:opacity .25s var(--ease);
}
.logo-item:hover .logo-img{opacity:.95;}
/* ajustes finos para proporções extremas (caixa-base = 44px de altura) */
.logo-item[data-logo="renault"] .logo-img{max-height:100%;}
.logo-item[data-logo="accenture"] .logo-img{max-height:52%;}
.logo-item[data-logo="exxonmobil"] .logo-img{max-height:62%;}
.logo-item[data-logo="bridgestone"] .logo-img{max-height:50%;}
.logo-item[data-logo="berneck"] .logo-img{max-height:54%;}
.logo-item[data-logo="vibra"] .logo-img{max-height:64%;}
.logo-item[data-logo="piracanjuba"] .logo-img{max-height:100%;}
.logo-item[data-logo="cofco"] .logo-img{max-height:88%;}
.logo-item[data-logo="agraria"] .logo-img{max-height:74%;}
.logo-item[data-logo="jalles"] .logo-img{max-height:78%;}

/* ─── Utilidades de animação de entrada ─── */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ─── Logo oficial (kit do repo) ─── */
.nav-logo{height:26px;width:auto;display:block;}
.ft-logo{height:30px;width:auto;display:block;}
@media(max-width:560px){.nav-logo{height:22px;}}