/* ====== Guia NXT — tema CLARO (didático) · fundo claro · texto preto · destaques laranja/verde/roxo ====== */
:root{
  --purple:#7C3AED; --purple-d:#5B21B6; --purple-light:#7C3AED;
  --orange:#d9650a; --orange-d:#b5530a; --orange-soft:rgba(217,101,10,.10);
  --green:#1d9e75; --green-d:#1D9E75; --green-bright:#1d9e75; --green-soft:rgba(29,158,117,.10);
  --ink:#16181d; --ink-2:#2a2e37; --muted:#6b7280;
  --bg:#f5f6f8; --bg2:#ffffff; --card:#ffffff; --card2:#f3eeff; --line:#e6e8ec;
  --code-bg:#0f1117; --code-txt:#e9e6f5; --code-line:#2a2440;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--ink);
  background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--purple);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:860px;margin:0 auto;padding:0 22px}

/* ====== Top bar / nav ====== */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);color:var(--ink);border-bottom:1px solid var(--line)}
.topbar .wrap{max-width:1180px;display:flex;align-items:center;gap:18px;
  padding:12px 22px;flex-wrap:wrap}
.logo{font-weight:900;font-size:1.15rem;letter-spacing:.5px;color:var(--ink);white-space:nowrap}
.logo span{color:var(--purple)}
.logo:hover{text-decoration:none}
.steps-nav{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-left:auto}
.steps-nav a{display:inline-flex;align-items:center;gap:4px;padding:5px 11px;border-radius:99px;
  font-size:.82rem;font-weight:700;color:var(--muted);border:1px solid transparent}
.steps-nav a:hover{color:var(--ink);background:#eef0f3;text-decoration:none}
.steps-nav a.active{background:var(--purple);color:#fff;border-color:var(--purple)}
.steps-nav a.locked{color:#aab0bb}
.steps-nav a.locked:hover{background:#f0f1f4;color:#7a8290}

/* ====== Step header ====== */
.step-head{background:radial-gradient(120% 130% at 50% -20%,#efeaff 0%,#f5f6f8 60%);color:var(--ink);
  padding:46px 0 40px;text-align:left;border-bottom:1px solid var(--line)}
.step-head .kicker{color:var(--purple);font-weight:800;text-transform:uppercase;
  letter-spacing:2px;font-size:.78rem}
.step-head h1{font-size:2.6rem;font-weight:900;line-height:1.1;letter-spacing:-.5px;margin:8px 0;color:var(--ink)}
.step-head h1 em{color:var(--purple);font-style:normal}
.step-head p{color:#3a3f4a;font-size:1.12rem;max-width:640px;margin-top:8px}
.crumb{display:inline-block;color:#6b7280;font-size:.85rem;margin-bottom:14px;font-weight:600}
.crumb:hover{color:var(--ink)}

/* ====== Content ====== */
main{padding:38px 0 70px}
section{padding:18px 0}
h2{font-size:1.7rem;font-weight:900;letter-spacing:-.3px;margin:34px 0 12px;
  scroll-margin-top:90px;color:var(--ink)}
h2 .n{color:var(--purple)}
h3{font-size:1.2rem;font-weight:800;margin:24px 0 8px;color:var(--ink)}
p{margin:12px 0;color:var(--ink-2)}
ul,ol{margin:12px 0 12px 22px;color:var(--ink-2)}
li{margin:6px 0}
strong{color:var(--ink)}
.lead{font-size:1.18rem;color:var(--ink-2)}
hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* ====== Cards / grid ====== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin:16px 0;box-shadow:0 1px 2px rgba(16,18,29,.04)}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:16px 0}
.grid-3{grid-template-columns:repeat(3,1fr)}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.tile h3{margin:0 0 6px;font-size:1.05rem}
.tile p{margin:0;font-size:.92rem;color:var(--muted)}
.tile .emoji{font-size:1.5rem;display:block;margin-bottom:6px}

/* ====== Callouts ====== */
.callout{border-radius:var(--radius);padding:16px 18px;margin:18px 0;border:1px solid var(--line);
  background:var(--card);font-size:.97rem;color:var(--ink-2)}
.callout b{display:block;margin-bottom:4px}
.callout.tip{background:rgba(124,58,237,.08);border-color:rgba(124,58,237,.25)}
.callout.tip b{color:var(--purple)}
.callout.warn{background:rgba(217,101,10,.09);border-color:rgba(217,101,10,.28)}
.callout.warn b{color:var(--orange)}
.callout.ok{background:rgba(29,158,117,.10);border-color:rgba(29,158,117,.28)}
.callout.ok b{color:var(--green)}

/* ====== Code blocks (escuros, pra contraste) ====== */
.code{position:relative;background:var(--code-bg);color:var(--code-txt);border-radius:12px;
  padding:16px 16px;margin:14px 0;font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  font-size:.9rem;line-height:1.7;overflow-x:auto;border:1px solid var(--code-line)}
.code .prompt{color:#34d399;user-select:none}
.code .cmt{color:#8c83a8}
.copy{position:absolute;top:8px;right:8px;background:rgba(255,255,255,.1);color:#f3ecff;
  border:1px solid rgba(255,255,255,.18);border-radius:8px;font-size:.74rem;font-weight:700;
  padding:5px 10px;cursor:pointer;transition:.15s}
.copy:hover{background:var(--purple);border-color:var(--purple)}
code{background:#f0eefb;color:#6d28d9;padding:2px 6px;border-radius:6px;font-size:.86em;
  font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace}
.code code{background:none;color:inherit;padding:0}

/* ====== OS Tabs ====== */
.os-tabs{display:flex;gap:8px;margin:18px 0 0}
.os-tab{flex:1;text-align:center;padding:12px;border:1px solid var(--line);background:var(--card);
  border-radius:12px 12px 0 0;font-weight:800;cursor:pointer;color:var(--muted);border-bottom:0}
.os-tab.active{color:var(--ink);background:var(--card2);border-color:var(--purple);
  box-shadow:inset 0 -3px 0 var(--purple)}
.os-panel{display:none;border:1px solid var(--line);border-radius:0 0 12px 12px;
  padding:20px;background:var(--card)}
.os-panel.active{display:block}
.os-panel ol{margin-left:20px}

/* ====== Numbered steps list ====== */
.steplist{list-style:none;margin:18px 0;padding:0;counter-reset:s}
.steplist li{counter-increment:s;position:relative;padding:12px 0 12px 46px;
  border-bottom:1px solid var(--line);color:var(--ink-2)}
.steplist li:last-child{border-bottom:0}
.steplist li::before{content:counter(s);position:absolute;left:0;top:10px;width:30px;height:30px;
  background:var(--purple);color:#fff;border-radius:50%;font-weight:900;font-size:.9rem;
  display:flex;align-items:center;justify-content:center}

/* ====== Tables ====== */
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.92rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink-2)}
th{background:var(--card2);color:var(--ink);font-weight:800}
tr:last-child td{border-bottom:0}

/* ====== Download button ====== */
.dl{display:inline-flex;align-items:center;gap:8px;background:var(--orange);color:#fff;
  font-weight:800;padding:14px 26px;border-radius:99px;margin:8px 0;
  box-shadow:0 8px 22px rgba(217,101,10,.26)}
.dl:hover{background:var(--orange-d);text-decoration:none;transform:translateY(-1px)}

/* ====== Prev / Next ====== */
.pager{display:flex;justify-content:space-between;gap:14px;margin:46px 0 0;
  border-top:1px solid var(--line);padding-top:26px}
.pager a{flex:1;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;
  background:var(--card);color:var(--ink)}
.pager a:hover{border-color:var(--purple);text-decoration:none;box-shadow:0 6px 18px rgba(124,58,237,.12)}
.pager .next{text-align:right}
.pager small{display:block;color:var(--muted);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.pager b{font-size:1.05rem}
.pager .next b{color:var(--purple)}

/* ====== Locked ====== */
.locked-wrap{text-align:center;padding:70px 0}
.lock-emoji{font-size:3.4rem}
.locked-wrap h1{font-size:2rem;font-weight:900;margin:14px 0 8px}
.locked-wrap p{max-width:520px;margin:8px auto;color:var(--ink-2)}

/* ====== Footer ====== */
footer{background:#eef0f3;color:var(--muted);padding:36px 0;text-align:center;font-size:.84rem;border-top:1px solid var(--line)}
footer .logo{color:var(--ink);margin-bottom:6px}
.disclaimer{max-width:720px;margin:14px auto 0;font-size:.76rem;color:#8a92a0;line-height:1.5}

@media(max-width:760px){
  .step-head h1{font-size:2rem}
  .grid,.grid-3{grid-template-columns:1fr}
  .steps-nav{order:3;margin-left:0;width:100%;overflow-x:auto;padding-bottom:2px}
  .pager{flex-direction:column}
}

/* ====== Componentes ricos (P7/P8/P9) ====== */
.flow{display:flex;flex-direction:column;gap:12px;margin:18px 0}
.flowstep{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px}
.flowstep .fnum{flex:none;width:30px;height:30px;border-radius:50%;background:var(--purple);
  color:#fff;font-weight:900;font-size:.82rem;display:flex;align-items:center;justify-content:center;margin-top:2px}
.flowstep .fbody{flex:1;min-width:0}
.flowstep h4{font-size:1.06rem;font-weight:800;margin:0 0 4px;display:flex;align-items:center;gap:8px;color:var(--ink)}
.flowstep p{margin:0;font-size:.94rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{background:#f0eefb;color:#6d28d9;border:1px solid #e2dbf6;
  border-radius:99px;padding:3px 11px;font-size:.76rem;font-weight:700}
.chip.mono{font-family:"SF Mono",ui-monospace,Menlo,monospace;font-size:.72rem}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.catcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 12px;text-align:center}
.catcard .ce{font-size:1.5rem;display:block;margin-bottom:8px}
.catcard .cn{font-weight:800;font-size:.9rem;line-height:1.25;display:block;color:var(--ink)}
.catcard .cp{color:var(--orange);font-weight:800;font-size:.86rem;margin-top:6px;display:block}
.totbar{background:var(--orange);color:#fff;border-radius:var(--radius);padding:15px 18px;
  text-align:center;font-weight:800;margin:6px 0 0;box-shadow:0 8px 22px rgba(217,101,10,.24)}
.idgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}
.idcard{background:#f3f4f7;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.idcard .il{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:1px;
  color:var(--muted);font-weight:700;margin-bottom:3px}
.idcard .iv{font-weight:800;color:var(--ink)}
.scorebig{display:inline-flex;align-items:center;gap:8px;background:rgba(217,101,10,.10);border:1px solid rgba(217,101,10,.3);
  border-radius:99px;padding:6px 16px;font-weight:900;font-size:1.05rem;color:var(--ink)}
.scorelist{display:flex;flex-direction:column;gap:10px;margin:14px 0}
.scorerow{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.scorerow .sh{display:flex;align-items:center;justify-content:space-between;gap:10px}
.scorerow .snm{font-weight:800;font-size:.96rem;color:var(--ink)}
.scorerow .sbadge{flex:none;font-weight:900;font-size:.9rem;padding:3px 11px;border-radius:99px;white-space:nowrap}
.sbadge.g{background:rgba(29,158,117,.12);color:#15795a;border:1px solid rgba(29,158,117,.3)}
.sbadge.y{background:rgba(202,161,6,.14);color:#8a6d00;border:1px solid rgba(202,161,6,.32)}
.sbadge.o{background:rgba(217,101,10,.12);color:#b5530a;border:1px solid rgba(217,101,10,.3)}
.sbadge.r{background:rgba(192,57,43,.10);color:#a8301f;border:1px solid rgba(192,57,43,.28)}
.scorerow .smot{margin:8px 0 0;font-size:.9rem;color:var(--muted)}
.stack td:first-child{font-weight:800;color:var(--ink);white-space:nowrap;width:150px}
.verdicts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0}
.vcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.vcard .vtop{padding:12px 16px;font-weight:900;color:#fff;font-size:1rem;display:flex;align-items:center;gap:8px}
.vcard .vbody{padding:14px 16px;font-size:.92rem;color:var(--ink-2)}
.vcard.green .vtop{background:var(--green-d)}
.vcard.yellow .vtop{background:#caa106}
.vcard.red .vtop{background:#c0392b}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}
.statcard{background:rgba(217,101,10,.08);border:1px solid rgba(217,101,10,.25);border-radius:var(--radius);padding:18px 14px;text-align:center}
.statnum{font-size:1.9rem;font-weight:900;color:var(--orange);display:block;line-height:1}
.statlbl{font-size:.8rem;color:var(--muted);font-weight:600;margin-top:6px;display:block}
@media(max-width:760px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .idgrid{grid-template-columns:repeat(2,1fr)}
  .verdicts{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}