*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#07090f;--card:#101724;--b:rgba(255,255,255,0.08);
  --t:#dde6f5;--t2:#6d85a3;--t3:#334155;
  --bl:#3b82f6;--gr:#22c55e;--or:#f59e0b;--rd:#ef4444;--cy:#06b6d4;
}
body{background:var(--bg);color:var(--t);font-family:system-ui,-apple-system,sans-serif;min-height:100vh;display:flex;flex-direction:column}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-thumb{background:#1e3a5f;border-radius:4px}

/* NAV */
nav{display:flex;align-items:center;justify-content:space-between;padding:14px 32px;border-bottom:1px solid var(--b);background:rgba(7,9,15,.88);backdrop-filter:blur(16px);position:sticky;top:0;z-index:100}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-box{width:32px;height:32px;background:linear-gradient(135deg,#2563eb,#06b6d4);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#fff;box-shadow:0 0 16px rgba(37,99,235,.35);flex-shrink:0}
.logo-stack{line-height:1.2}
.logo-name{font-size:13px;font-weight:700;color:var(--t)}
.logo-name em{color:var(--bl);font-style:normal}
.logo-tag{font-size:10px;color:var(--t2);letter-spacing:.6px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--t2);text-decoration:none;font-size:13px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--t)}
.nav-links a.active{color:var(--t);font-weight:600}
.nav-r{display:flex;align-items:center;gap:10px}
.site-back{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;border:1px solid var(--b);background:transparent;color:var(--t2);font-size:12px;font-weight:600;text-decoration:none;transition:all .2s}
.site-back:hover{border-color:rgba(59,130,246,.4);color:var(--t)}
.nav-cta{background:var(--bl);color:#fff;padding:8px 18px;border-radius:8px;font-size:13px;font-weight:600;text-decoration:none;transition:all .2s}
.nav-cta:hover{background:#2563eb;transform:translateY(-1px)}

/* PAGE HERO */
.page-hero{padding:56px 24px 0;text-align:center}
.page-hero-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.3);color:var(--bl);font-size:11px;font-weight:600;margin-bottom:20px;letter-spacing:.5px}
.page-hero h1{font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:14px}
.page-hero h1 span{background:linear-gradient(135deg,var(--bl),var(--cy));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.page-hero p{font-size:15px;color:var(--t2);max-width:520px;margin:0 auto;line-height:1.7}

/* MAIN CONTENT */
.how{max-width:940px;margin:56px auto 0;padding:0 24px 80px;width:100%}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:64px}
.step{background:var(--card);border:1px solid var(--b);border-radius:14px;padding:24px;position:relative;overflow:hidden}
.step::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.step.s1::before{background:linear-gradient(90deg,var(--bl),var(--cy))}
.step.s2::before{background:linear-gradient(90deg,var(--cy),var(--gr))}
.step.s3::before{background:linear-gradient(90deg,var(--gr),var(--or))}
.step-num{font-size:11px;font-weight:700;color:var(--t3);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.step-icon{font-size:28px;margin-bottom:12px;display:block}
.step-name{font-size:15px;font-weight:700;margin-bottom:8px}
.step-desc{font-size:12px;color:var(--t2);line-height:1.7}

/* SECTION LABEL */
.section-label{font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--t3);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.section-label::after{content:'';flex:1;height:1px;background:var(--b)}

/* TABELA MODELO */
.tbl-section{margin-bottom:64px}
.tbl-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--b)}
.tbl-model{width:100%;border-collapse:collapse;font-size:11px;white-space:nowrap}
.tbl-model th{background:#0d1828;padding:10px 14px;text-align:left;font-weight:600;color:var(--t2);border-bottom:1px solid var(--b);letter-spacing:.3px}
.tbl-model th.req{color:var(--cy)}
.tbl-model td{padding:9px 14px;border-bottom:1px solid rgba(255,255,255,.04);color:var(--t);font-family:monospace;font-size:11px}
.tbl-model tr:last-child td{border-bottom:none}
.tbl-model tr:hover td{background:rgba(255,255,255,.02)}
.req-badge{display:inline-block;padding:1px 6px;border-radius:4px;font-size:9px;font-weight:700;letter-spacing:.4px;background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.3);color:var(--cy);font-family:system-ui}
.rec-badge{display:inline-block;padding:1px 6px;border-radius:4px;font-size:9px;font-weight:700;letter-spacing:.4px;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:var(--gr);font-family:system-ui}
.opt-badge{display:inline-block;padding:1px 6px;border-radius:4px;font-size:9px;font-weight:700;letter-spacing:.4px;background:rgba(255,255,255,.06);border:1px solid var(--b);color:var(--t3);font-family:system-ui}

/* COLUNAS REF */
.cols-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:12px;margin-bottom:64px}
.col-card{background:var(--card);border:1px solid var(--b);border-radius:12px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start}
.col-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:4px}
.col-dot.req{background:var(--cy)}
.col-dot.rec{background:var(--gr)}
.col-dot.opt{background:var(--t3)}
.cols-group-label{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin:20px 0 10px;padding:0 2px;display:flex;align-items:center;gap:8px}
.cols-group-label::after{content:'';flex:1;height:1px;background:var(--b)}
.cols-group-label.req-lbl{color:var(--cy)}
.cols-group-label.rec-lbl{color:var(--gr)}
.cols-group-label.opt-lbl{color:var(--t3)}
.col-info{flex:1;min-width:0}
.col-name{font-size:13px;font-weight:600;margin-bottom:3px}
.col-desc{font-size:11px;color:var(--t2);margin-bottom:6px;line-height:1.5}
.col-aliases{font-size:10px;color:var(--t3);font-family:monospace;line-height:1.7;word-break:break-word}
.col-aliases b{color:var(--t2)}

/* DICAS */
.tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-bottom:64px}
.tip{background:var(--card);border:1px solid var(--b);border-radius:10px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start}
.tip-icon{font-size:16px;flex-shrink:0;margin-top:1px}
.tip-text{font-size:12px;color:var(--t2);line-height:1.6}
.tip-text b{color:var(--t)}

/* DOWNLOAD CTA */
.dl-cta{background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.08));border:1px solid rgba(59,130,246,.25);border-radius:14px;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.dl-cta-text h3{font-size:16px;font-weight:700;margin-bottom:4px}
.dl-cta-text p{font-size:12px;color:var(--t2)}
.dl-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:9px;background:var(--bl);color:#fff;text-decoration:none;font-size:13px;font-weight:600;transition:all .2s;white-space:nowrap;border:none;cursor:pointer}
.dl-btn:hover{background:#2563eb;transform:translateY(-1px)}
.dl-btn.sec{background:transparent;border:1px solid var(--b);color:var(--t2)}
.dl-btn.sec:hover{border-color:rgba(255,255,255,.2);color:var(--t)}

/* FOOTER */
footer{text-align:center;padding:24px;color:var(--t3);font-size:11px;border-top:1px solid var(--b);margin-top:auto}
footer a{color:var(--t2);text-decoration:none}

@media(max-width:600px){
  nav{padding:16px 20px}
  .nav-links{display:none}
  .page-hero{padding:40px 20px 0}
  .how{padding:40px 20px 60px}
  .cols-grid{grid-template-columns:1fr}
}

/* ── MOVEMENT ANIMATIONS ── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s cubic-bezier(.22,1,.36,1),transform .65s cubic-bezier(.22,1,.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}
.delay-4{transition-delay:.4s}
nav{animation:navDown .55s cubic-bezier(.22,1,.36,1) both}
@keyframes navDown{from{transform:translateY(-100%)}to{transform:translateY(0)}}
.page-hero-badge{animation:fadeUp .7s .05s cubic-bezier(.22,1,.36,1) both}
.page-hero h1{animation:fadeUp .7s .15s cubic-bezier(.22,1,.36,1) both}
.page-hero p{animation:fadeUp .7s .28s cubic-bezier(.22,1,.36,1) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

.logo-mark-svg{width:32px;height:32px;flex-shrink:0;display:block;border-radius:8px}