/* ============================================================
   NexoFlow — Base: Design System, Reset, Tipografia, Botões
   ============================================================ */

:root {
  /* Paleta de marca */
  --blue: #1E3A8A;
  --blue-700: #1b3478;
  --blue-600: #274aa6;
  --blue-500: #3a5fc4;
  --blue-100: #dbe4fb;
  --blue-50: #eef3ff;

  --green: #10B981;
  --green-600: #059669;
  --green-50: #e7f7f1;

  --orange: #F59E0B;
  --orange-50: #fef4e2;

  --bg: #F8FAFC;
  --white: #FFFFFF;
  --ink: #1E293B;
  --ink-soft: #475569;
  --ink-faint: #64748B;
  --line: #E6EBF2;
  --line-soft: #EEF2F7;

  --cta: var(--green-600);   /* #059669 — contraste ~5:1 com branco (WCAG AA) */
  --cta-600: var(--green-600);
  --radius: 10px;
  --font-head: 'Plus Jakarta Sans';
  --font-body: 'Inter';

  --shadow-sm: 0 1px 2px rgba(16,28,54,.06), 0 1px 3px rgba(16,28,54,.05);
  --shadow-md: 0 6px 20px -6px rgba(30,58,138,.16), 0 2px 8px rgba(16,28,54,.05);
  --shadow-lg: 0 24px 60px -18px rgba(30,58,138,.30), 0 8px 24px -12px rgba(16,28,54,.12);
  --shadow-cta: 0 8px 22px -8px color-mix(in oklab, var(--cta) 60%, transparent);

  --maxw: 1180px;
  --gut: 24px;
}

/* ---------- Reset ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  margin:0;overflow-x:hidden;
  background:var(--bg);color:var(--ink);
  font-family:var(--font-body),system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-head),system-ui,sans-serif;color:var(--ink);
  font-weight:700;line-height:1.1;letter-spacing:-.02em;margin:0;text-wrap:balance;
}
p{margin:0;text-wrap:pretty}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}

/* ---------- Acessibilidade: link de pular conteúdo ---------- */
.skip-link{
  position:absolute;top:-48px;left:0;
  background:var(--blue);color:#fff;padding:10px 18px;
  border-radius:0 0 10px 0;font-family:var(--font-head),sans-serif;
  font-weight:600;font-size:14px;text-decoration:none;
  z-index:9999;transition:top .2s;white-space:nowrap;
}
.skip-link:focus{top:0}

/* ---------- Layout ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut);width:100%}
.section{padding:104px 0}
.section-tight{padding:72px 0}
.center{text-align:center}

/* ---------- Tipografia de seção ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head),sans-serif;font-weight:700;font-size:12.5px;
  letter-spacing:.10em;text-transform:uppercase;white-space:nowrap;
  color:var(--blue);background:var(--blue-50);
  padding:7px 13px;border-radius:999px;border:1px solid var(--blue-100);
}
.eyebrow.green{color:var(--green-600);background:var(--green-50);border-color:#cfeede}
.eyebrow.orange{color:#b97608;background:var(--orange-50);border-color:#f7e3bd}
.section-head{max-width:680px}
.section-head.center{margin:0 auto}
.section-title{font-size:clamp(30px,4vw,46px);margin:18px 0 0}
.section-lead{font-size:clamp(17px,1.6vw,20px);color:var(--ink-soft);margin-top:18px;line-height:1.55}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-head),sans-serif;font-weight:600;font-size:15.5px;
  padding:14px 22px;border-radius:var(--radius);border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s cubic-bezier(.3,.7,.4,1),box-shadow .2s,background .15s,color .15s;
  white-space:nowrap;line-height:1;
}
.btn:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.btn svg{width:18px;height:18px}
.btn-cta{background:var(--cta);color:#fff;box-shadow:var(--shadow-cta)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px color-mix(in oklab,var(--cta) 65%,transparent)}
.btn-outline{background:#fff;color:var(--blue);border-color:var(--blue-100);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 22px -8px rgba(30,58,138,.5)}
.btn-blue:hover{transform:translateY(-2px);background:var(--blue-600)}
.btn-ghost{background:transparent;color:var(--ink-soft);border-color:transparent;padding:12px 14px}
.btn-ghost:hover{color:var(--ink);background:var(--line-soft)}
.btn-lg{padding:17px 28px;font-size:16.5px}
.btn-block{width:100%}

/* ---------- Grupo de botões (utilizado em CTAs, hero e artigos) ---------- */
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- Ícones coloridos (usados em múltiplas seções) ---------- */
.ic-blue{background:var(--blue-50);color:var(--blue)}
.ic-green{background:var(--green-50);color:var(--green-600)}
.ic-orange{background:var(--orange-50);color:#b97608}
.ic.solid-blue{background:var(--blue);color:#fff}
.ic.solid-green{background:var(--cta);color:#fff}

/* ---------- Utilitário: texto apenas para leitores de tela ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Hero de sub-páginas ---------- */
.page-hero{padding:72px 0 24px;text-align:center}
.page-hero .section-title{font-size:clamp(34px,5vw,56px)}