:root{--navy:#0A1328;--blue:#155DFF;--teal:#00A8B5;--orange:#FF6A00;--purple:#6B39D6;--green:#58AA35;--gray:#64748B;--paper:#F5F7FA;--line:#DCE3EC;--ink:#111827;--white:#fff;--shadow:0 18px 50px rgba(10,19,40,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.64;-webkit-font-smoothing:antialiased}a{color:var(--blue)}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}nav{height:76px;min-height:76px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:18px;text-decoration:none;min-width:0;flex:0 0 350px}.brand img{width:236px;max-width:52vw;height:auto}.division{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--gray);border-left:1px solid var(--line);padding-left:18px;white-space:nowrap;min-width:92px}.navlinks{display:flex;align-items:center;gap:18px;font-size:14px;font-weight:650;flex-wrap:nowrap;margin-left:auto}.navlinks a{text-decoration:none;color:#334155}.navlinks a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:9px;text-decoration:none;font-size:14px;font-weight:750;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--blue);color:#fff !important;box-shadow:0 10px 24px rgba(21,93,255,.2)}.btn-primary:hover{filter:brightness(.96)}.btn-secondary{border-color:#C9D4E4;background:#fff;color:var(--navy)}.btn-secondary:hover{border-color:var(--blue);color:var(--blue)}
.breadcrumbs{padding:18px 0 0;font-size:12.5px;color:#64748B}.breadcrumbs a{color:#526079;text-decoration:none}.breadcrumbs a:hover{color:var(--blue)}.breadcrumbs span{margin:0 7px;color:#94A3B8}
.article-hero{background:linear-gradient(180deg,#fff 0%,#F8FAFD 100%);border-bottom:1px solid var(--line);overflow:hidden;position:relative}.article-hero:before{content:"";position:absolute;inset:auto -8% -62% 48%;height:720px;background:radial-gradient(circle at center,rgba(21,93,255,.11),rgba(21,93,255,0) 68%);pointer-events:none}.hero-inner{padding:62px 0 56px;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:var(--blue);margin-bottom:18px}.eyebrow:before{content:"";width:30px;height:2px;background:var(--blue)}h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.03em;color:var(--navy)}h1{font-size:clamp(38px,5vw,62px);max-width:17ch}.lede{font-size:19px;color:#475569;max-width:72ch;margin:22px 0 0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.article-meta{display:flex;gap:12px 22px;flex-wrap:wrap;margin-top:26px;color:#64748B;font-size:12.5px}.article-meta b{color:#334155}
.article-shell{display:grid;grid-template-columns:260px minmax(0,1fr);gap:54px;align-items:start;padding:54px 0 80px}.toc{position:sticky;top:102px;border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}.toc strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#64748B;margin-bottom:10px}.toc ol{padding-left:18px;margin:0;display:grid;gap:9px}.toc a{color:#475569;text-decoration:none;font-size:13px}.toc a:hover{color:var(--blue)}article{min-width:0}article section{scroll-margin-top:100px;margin:0 0 46px}article h2{font-size:clamp(27px,3.3vw,39px);margin-bottom:17px}article h3{font-size:21px;margin:26px 0 10px}article p{font-size:16px;color:#334155;margin:0 0 16px}article ul,article ol{color:#334155;padding-left:22px}article li{margin:7px 0}.intro-box{border-left:4px solid var(--blue);background:#F5F8FF;border-radius:0 12px 12px 0;padding:20px 22px;margin:0 0 34px}.intro-box p:last-child{margin-bottom:0}.note,.warning,.vistel-box{border:1px solid var(--line);border-radius:14px;padding:22px;margin:24px 0;background:#fff}.note{background:#F8FAFD}.warning{border-color:#F4D2B6;background:#FFF8F2}.vistel-box{background:var(--navy);color:#fff;border-color:var(--navy)}.vistel-box h2,.vistel-box h3{color:#fff}.vistel-box p,.vistel-box li{color:rgba(255,255,255,.74)}.vistel-box .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.vistel-box .btn-secondary:hover{border-color:#fff}.label{display:inline-flex;padding:5px 8px;border-radius:999px;background:#EAF0FF;color:var(--blue);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:850;margin-bottom:10px}.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:22px 0}.flow div{border:1px solid var(--line);border-radius:10px;padding:14px 12px;background:#fff;font-size:12.5px;color:#334155;font-weight:720;position:relative}.flow div:not(:last-child):after{content:"→";position:absolute;right:-9px;top:50%;transform:translateY(-50%);color:#94A3B8;background:#fff;padding:0 2px;z-index:2}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:22px 0}table{width:100%;border-collapse:collapse;min-width:650px;background:#fff}th,td{text-align:left;vertical-align:top;padding:13px 14px;border-bottom:1px solid var(--line);font-size:13.5px}th{background:#F8FAFD;color:var(--navy);font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:0}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:16px 0}summary{font-weight:750;color:var(--navy);cursor:pointer}details p{margin:11px 0 0}.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related a{border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--navy);font-weight:700;background:#fff}.related a:hover{border-color:var(--blue);color:var(--blue)}
.cta-band{background:#F4F7FC;border:1px solid var(--line);border-radius:16px;padding:26px;margin:40px 0}.cta-band h3{font-size:24px}.cta-band p{margin:10px 0 18px}.byline{border-top:1px solid var(--line);margin-top:52px;padding-top:24px;font-size:12.5px;color:#64748B}.byline b{color:#334155}.norm-ref{font-size:12.5px;color:#64748B;background:#F8FAFD;border:1px solid var(--line);border-radius:10px;padding:13px 15px;margin-top:18px}
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:42px 0 84px}.resource-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:25px;box-shadow:0 8px 25px rgba(10,19,40,.035)}.resource-card small{display:block;color:var(--blue);font-weight:850;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}.resource-card h2{font-size:24px}.resource-card p{color:#64748B;font-size:14px}.resource-card a{font-weight:750;text-decoration:none}.resource-card a:hover{text-decoration:underline}
footer{background:#000;color:rgba(255,255,255,.55);padding:34px 0}.foot{display:flex;align-items:center;justify-content:space-between;gap:24px}.foot img{width:210px;height:auto;filter:none;opacity:.92;display:block}.foot div:last-child{font-size:12px;text-align:right}
@media(max-width:980px){.navlinks a:not(.btn){display:none}.article-shell{grid-template-columns:1fr}.toc{position:relative;top:auto}.flow{grid-template-columns:1fr}.flow div:not(:last-child):after{content:"↓";right:auto;left:50%;top:auto;bottom:-17px;transform:translateX(-50%)}.resource-grid{grid-template-columns:1fr}}
@media(max-width:640px){.wrap{width:min(100% - 28px,1160px)}nav{min-height:68px}.brand img{width:190px}.division{display:none}.navlinks .btn{padding:10px 13px;font-size:12px}.hero-inner{padding:44px 0 46px}h1{font-size:39px}.lede{font-size:17px}.article-shell{padding:38px 0 58px;gap:32px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.related{grid-template-columns:1fr}.foot{align-items:flex-start;flex-direction:column}.foot div:last-child{text-align:left}.navlinks{gap:12px}}

.menu-toggle{display:none;width:46px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;margin-left:auto}.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);border-radius:3px}.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 20px 18px}.mobile-menu.open{display:grid}.mobile-menu a{padding:12px 2px;border-bottom:1px solid var(--line);text-decoration:none;font-size:14px;font-weight:700;color:#334155}.mobile-menu a:last-child{border-bottom:0}.mobile-menu a.active,.navlinks a.active{color:var(--blue)}
@media(max-width:980px){.navlinks{display:none!important}.menu-toggle{display:flex}.brand{flex:1}.brand img{width:205px;max-width:58vw}}

/* v6: cabeçalho unificado e menu móvel robusto */
@media(max-width:980px){
  header nav{height:72px;min-height:72px}
  .brand{flex:1 1 auto;min-width:0;max-width:calc(100% - 64px)}
  .brand img{width:205px;max-width:58vw}
  .division{display:none}
  .navlinks{display:none!important}
  .menu-toggle{display:flex!important;flex:0 0 46px;margin-left:auto}
  .mobile-menu{width:100%;padding:8px 20px 18px}
}
@media(max-width:640px){.brand img{width:190px;max-width:62vw}}