/* ==========================================================================
   Gerador de CPF — Design System
   CE: CPF (Cadastro de Pessoas Físicas)
   Signature: the "ticket stub" CPF readout with a torn check-digit tab
   ========================================================================== */

:root{
  --ink:        #14202e;
  --ink-soft:   #3a4a5c;
  --paper:      #f2f4f1;
  --paper-2:    #e7ebe6;
  --card:       #ffffff;
  --line:       #d7ded8;
  --verified:   #146356;
  --verified-2: #1f9d82;
  --verified-bg:#e6f2ee;
  --amber:      #b8791f;
  --amber-bg:   #faf1de;
  --danger:     #9c3b3b;
  --danger-bg:  #fbeaea;

  --font-display: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --font-body:    "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(20,32,46,.04), 0 8px 24px rgba(20,32,46,.06);
  --maxw: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--verified)}
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible{
  outline:3px solid var(--verified-2); outline-offset:2px;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.01em;
  color:var(--ink);
}
h1{font-size:clamp(2rem,4vw,2.9rem)}
h2{font-size:clamp(1.5rem,2.6vw,2rem); margin-top:2.4em}
h3{font-size:1.2rem; margin-top:1.6em}
p{margin:0 0 1em}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px}
.eyebrow{
  text-transform:uppercase; letter-spacing:.12em; font-size:.72rem;
  font-weight:700; color:var(--verified); font-family:var(--font-display);
}
.lede{font-size:1.15rem; color:var(--ink-soft); max-width:60ch}

/* ---------- header ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(140%) blur(6px);
  background:rgba(242,244,241,.92);
}
.site-header .bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-weight:700; font-size:1.15rem;
  color:var(--ink); text-decoration:none;
}
.brand .mark{
  width:34px; height:34px; border-radius:8px;
  background:var(--ink); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:700; font-size:.8rem;
}
nav.primary{display:flex; gap:22px; align-items:center}
nav.primary a{
  color:var(--ink-soft); text-decoration:none; font-size:.94rem; font-weight:600;
}
nav.primary a:hover{color:var(--verified)}
.nav-toggle{display:none}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 18px; border-radius:999px; border:none; cursor:pointer;
  font-family:var(--font-body); font-weight:700; font-size:.95rem;
  text-decoration:none;
}
.btn-primary{background:var(--verified); color:#fff}
.btn-primary:hover{background:var(--verified-2)}
.btn-ghost{background:transparent; color:var(--ink); border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{padding:8px 14px; font-size:.85rem}

/* ---------- hero / layout ---------- */
.hero{padding:56px 0 24px}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:start;
}
.trust-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:22px}
.pill{
  font-size:.8rem; font-weight:700; padding:7px 12px; border-radius:999px;
  background:var(--card); border:1px solid var(--line); color:var(--ink-soft);
  display:inline-flex; align-items:center; gap:6px;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--verified-2)}

/* ---------- the ticket / generator widget (signature element) ---------- */
.ticket{
  background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow);
  position:relative; overflow:hidden; border:1px solid var(--line);
}
.ticket-head{
  padding:18px 22px; display:flex; justify-content:space-between; align-items:center;
  border-bottom:1px dashed var(--line);
}
.ticket-head .label{
  font-family:var(--font-display); font-weight:700; font-size:.82rem;
  text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft);
}
.ticket-body{padding:26px 22px 8px}
.cpf-display{
  font-family:var(--font-mono); font-weight:500; letter-spacing:.03em;
  font-size:clamp(1.7rem,4vw,2.4rem); color:var(--ink);
  display:flex; align-items:baseline; flex-wrap:wrap; gap:.08em;
  word-break:break-all;
}
.cpf-display .check{
  color:var(--verified); background:var(--verified-bg); border-radius:6px;
  padding:0 4px; position:relative;
}
.check-tag{
  margin-top:10px; display:flex; align-items:center; gap:8px;
  font-size:.78rem; color:var(--verified); font-weight:700;
}
.check-tag svg{width:14px;height:14px}
.region-note{font-size:.85rem; color:var(--ink-soft); margin-top:14px}
.ticket-perf{
  height:0; border-top:2px dashed var(--line); margin:20px 0 0; position:relative;
}
.ticket-perf::before,.ticket-perf::after{
  content:""; position:absolute; top:-9px; width:18px; height:18px; border-radius:50%;
  background:var(--paper); border:1px solid var(--line);
}
.ticket-perf::before{left:-31px}
.ticket-perf::after{right:-31px}
.ticket-actions{
  padding:18px 22px 22px; display:flex; flex-wrap:wrap; gap:10px; align-items:center;
}
.ticket-actions .fmt-toggle{
  display:flex; align-items:center; gap:8px; font-size:.85rem; color:var(--ink-soft);
  margin-left:auto;
}
.copy-msg{font-size:.82rem; color:var(--verified); font-weight:700; visibility:hidden}
.copy-msg.show{visibility:visible}

.field-row{padding:0 22px 20px; display:grid; gap:12px}
.field{
  background:var(--paper-2); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:12px 14px;
}
.field .k{font-size:.72rem; text-transform:uppercase; letter-spacing:.07em; color:var(--ink-soft); font-weight:700}
.field .v{font-family:var(--font-mono); font-size:1.02rem; margin-top:2px}

/* validator input */
.validate-box{display:flex; gap:8px; padding:0 22px 22px}
.validate-box input{
  flex:1; font-family:var(--font-mono); font-size:1rem; padding:12px 14px;
  border:1.5px solid var(--line); border-radius:var(--radius-sm); background:#fff;
}
.result-banner{
  margin:0 22px 20px; padding:12px 14px; border-radius:var(--radius-sm);
  font-weight:700; font-size:.92rem; display:none; align-items:center; gap:8px;
}
.result-banner.ok{display:flex; background:var(--verified-bg); color:var(--verified)}
.result-banner.bad{display:flex; background:var(--danger-bg); color:var(--danger)}

/* ---------- sections ---------- */
section{padding:20px 0}
.band{background:var(--card); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:28px}
.step{padding:20px; background:var(--paper); border-radius:var(--radius); border:1px solid var(--line)}
.step .n{
  font-family:var(--font-mono); font-weight:700; color:var(--verified); font-size:.9rem;
  display:inline-block; margin-bottom:8px;
}

.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:20px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px}
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px;
}
.card h3{margin-top:0}

table.compare{width:100%; border-collapse:collapse; margin:20px 0; background:var(--card); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow)}
table.compare th, table.compare td{
  padding:13px 16px; text-align:left; border-bottom:1px solid var(--line); font-size:.95rem;
}
table.compare th{
  font-family:var(--font-display); background:var(--ink); color:#fff; font-size:.85rem;
  text-transform:uppercase; letter-spacing:.05em;
}
table.compare tr:last-child td{border-bottom:none}
table.compare td.good{color:var(--verified); font-weight:600}
table.compare td.bad{color:var(--danger)}

.notice{
  border:1px solid var(--amber); background:var(--amber-bg); color:#5c3f10;
  border-radius:var(--radius); padding:18px 20px; display:flex; gap:14px; margin:24px 0;
}
.notice .stamp{
  flex:0 0 auto; width:44px; height:44px; border-radius:50%; border:2px solid var(--amber);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display);
  font-weight:700; font-size:.8rem; color:var(--amber); transform:rotate(-8deg);
}
.notice ul{margin:8px 0 0 0; padding-left:18px}

.faq details{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:14px 18px; margin-bottom:10px;
}
.faq summary{
  font-weight:700; cursor:pointer; font-family:var(--font-display); font-size:1rem;
  list-style:none; display:flex; justify-content:space-between; gap:12px; align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+"; font-size:1.3rem; color:var(--verified); font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px; color:var(--ink-soft)}

.region-table{width:100%; border-collapse:collapse; font-size:.92rem}
.region-table td{padding:8px 10px; border-bottom:1px solid var(--line)}
.region-table td:first-child{font-family:var(--font-mono); font-weight:700; color:var(--verified); width:36px}

.crumbs{font-size:.85rem; color:var(--ink-soft); margin-bottom:6px}
.crumbs a{color:var(--ink-soft); text-decoration:none}
.crumbs a:hover{color:var(--verified)}

.related{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:16px}
.related a{
  display:block; background:var(--card); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:16px; text-decoration:none; color:var(--ink); font-weight:700; font-size:.95rem;
}
.related a span{display:block; font-weight:400; color:var(--ink-soft); font-size:.85rem; margin-top:4px}
.related a:hover{border-color:var(--verified)}

/* ---------- footer ---------- */
footer.site-footer{background:var(--ink); color:#c9d3da; padding:48px 0 26px; margin-top:60px}
footer.site-footer a{color:#c9d3da; text-decoration:none}
footer.site-footer a:hover{color:#fff}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px}
.footer-grid h4{color:#fff; font-size:.85rem; text-transform:uppercase; letter-spacing:.08em}
.footer-grid ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px; font-size:.92rem}
.footer-bottom{
  border-top:1px solid #2a3948; margin-top:36px; padding-top:20px;
  font-size:.82rem; color:#8797a3; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

@media (max-width: 880px){
  .hero-grid, .grid-2, .grid-3, .related, .steps{grid-template-columns:1fr}
  nav.primary{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .ticket-perf::before, .ticket-perf::after{display:none}
}