/* ============================================================
   Pede as Contas — Design System compartilhado
   Tokens, base, nav, footer, botões, tipografia base,
   reveal-on-scroll, grão cinematográfico, media queries globais.
   Usado por: home (index.html) e todas as páginas de artigo.
   ============================================================ */

:root{
  --bg:#050506; --bg2:#0d0d11; --line:#1e1e26;
  --ink:#fafafb; --mut:#9a9aa6; --mut2:#63636e;
  --accent:#d0a860;              /* dourado — accent de assinatura */
  --accent-2:#e8c986;
  --accent-soft:#d0a86022;
  --display:'Archivo',-apple-system,system-ui,sans-serif;
  --sans:'Inter',-apple-system,system-ui,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box; margin:0; padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); background:var(--bg); color:var(--ink);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
/* grão cinematográfico */
body::after{
  content:""; position:fixed; inset:0; z-index:100; pointer-events:none; opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wrap{max-width:1160px; margin:0 auto; padding:0 30px}
a{color:inherit; text-decoration:none}
.eyebrow{font-size:11px; letter-spacing:.36em; text-transform:uppercase; color:var(--accent); font-weight:700}
.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}

/* reveal on scroll */
[data-reveal]{opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); transition-delay:calc(var(--i,0) * 85ms)}
[data-reveal].in{opacity:1; transform:none}

/* nav */
nav{position:fixed; top:0; left:0; right:0; z-index:50; transition:background .3s, border-color .3s; border-bottom:1px solid transparent}
nav.scrolled{background:rgba(5,5,6,.72); backdrop-filter:blur(14px); border-bottom:1px solid var(--line)}
nav .wrap{display:flex; align-items:center; justify-content:space-between; padding:20px 30px; gap:20px}
.brand-block{display:flex; flex-direction:column; gap:4px}
.brand{display:flex; align-items:center; gap:11px; font-family:var(--display); font-size:20px; letter-spacing:.14em; font-weight:800; text-transform:uppercase}
.brand-tag{font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--accent); font-weight:700; padding-left:37px}
.table-icon{width:26px; height:26px; flex:0 0 26px; transform-origin:50% 88%; animation:table-flip 1.15s cubic-bezier(.34,1.56,.64,1) .5s both}
.table-icon-static{width:20px; height:20px; flex:0 0 20px; animation:none; transform:rotate(16deg)}
@keyframes table-flip{
  0%{transform:rotate(0deg)}
  45%{transform:rotate(78deg)}
  72%{transform:rotate(6deg)}
  100%{transform:rotate(16deg)}
}
.nav-links{display:flex; align-items:center; gap:26px; margin-left:auto}
.nav-link{font-size:13px; color:var(--mut); font-weight:500; transition:.25s}
.nav-link:hover{color:var(--ink)}
.nav-cta{font-size:13px; color:var(--mut); border:1px solid var(--line); padding:9px 17px; border-radius:100px; transition:.25s; font-weight:500; white-space:nowrap}
.nav-cta:hover{color:var(--ink); border-color:var(--accent)}

/* botões */
.btn{display:inline-flex; align-items:center; gap:10px; background:var(--accent); color:#1a1206; font-weight:700;
  font-size:15px; padding:17px 32px; border-radius:100px; transition:.3s var(--ease); letter-spacing:.01em}
.btn:hover{transform:translateY(-3px); box-shadow:0 16px 46px -14px var(--accent); background:var(--accent-2)}
.btn.ghost{background:transparent; color:var(--ink); border:1px solid var(--line); font-weight:600}
.btn.ghost:hover{border-color:var(--accent); box-shadow:none; background:transparent}
.cta-row{display:flex; align-items:center; gap:16px; flex-wrap:wrap}

/* sections (base) */
section{padding:106px 0; border-bottom:1px solid var(--line)}
.sec-head{max-width:66ch}
.sec-head h2{font-family:var(--display); font-weight:800; text-transform:uppercase; font-size:clamp(28px,4.6vw,54px); line-height:1.02; letter-spacing:-.02em; margin:18px 0 16px}
.sec-head h2 em{font-style:normal; color:var(--accent)}
.sec-head p{color:var(--mut); font-size:17px; max-width:56ch; text-transform:none}

/* passo a passo (reusável: home, preços, onde fizer sentido) */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:0; margin-top:56px; border:1px solid var(--line); border-radius:16px; overflow:hidden}
.steps.steps-4{grid-template-columns:repeat(4,1fr)}
.step{padding:38px 30px; border-right:1px solid var(--line); transition:background .3s}
.step:last-child{border-right:none}
.step:hover{background:var(--bg2)}
.step .k{font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--accent); font-weight:700}
.step h3{font-weight:700; font-size:20px; margin:14px 0 9px; letter-spacing:-.01em}
.step p{color:var(--mut); font-size:14.5px}
@media(max-width:820px){
  .steps{grid-template-columns:1fr}
  .step{border-right:none; border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:none}
}

footer{padding:46px 0; border-top:1px solid var(--line)}
footer .wrap{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px}
footer .brand{font-size:17px}
footer .meta{font-size:12.5px; color:var(--mut2)}

@media(max-width:820px){
  .hero{padding-top:150px}
  .nav-cta{display:none}
  .nav-links{gap:16px}
}
@media(max-width:600px){
  .nav-link.hide-mobile{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important; transition:none !important}
  [data-reveal]{opacity:1; transform:none}
  .hero h1 .line > span,.hero p.lead,.cta-row,.micro{opacity:1; transform:none}
  .ring .fg{stroke-dashoffset:var(--off)}
  .table-icon{transform:rotate(16deg)}
}