/* ConsultaNFCom — estilo otimizado para Lighthouse 100% */
*,*::before,*::after{box-sizing:border-box}
:root{
  --primary:#0066CC;
  --primary-700:#0052A3;
  --accent:#00A86B;
  --ink:#0F1B2D;
  --ink-2:#1F2D45;
  --muted:#5A6B82;
  --bg:#FFFFFF;
  --bg-2:#F4F8FC;
  --bg-3:#E8F1FB;
  --border:#D6E1EE;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 6px 24px -8px rgba(15,27,45,.18);
  --shadow-lg:0 20px 48px -20px rgba(15,27,45,.28);
  --max:1140px;
  --transition:.2s ease;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#F4F8FC; --ink-2:#D6E1EE; --muted:#9AAFC7;
    --bg:#0F1B2D; --bg-2:#152740; --bg-3:#1F3358;
    --border:#243A5E;
    --shadow:0 6px 24px -8px rgba(0,0,0,.55);
    --shadow-lg:0 20px 48px -20px rgba(0,0,0,.65);
  }
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.6;
  color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover,a:focus-visible{color:var(--primary-700);text-decoration:underline}
:focus-visible{outline:3px solid var(--primary);outline-offset:3px;border-radius:6px}
h1,h2,h3{line-height:1.2;margin:0 0 .6em;color:var(--ink);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.2vw,3.25rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.25rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
ul,ol{padding:0;margin:0;list-style:none}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.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}
.skip{position:absolute;left:-9999px;top:8px;background:var(--primary);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);background:var(--bg-3);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.grad{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
@media (prefers-color-scheme:dark){.site-header{background:rgba(15,27,45,.85)}}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:inline-flex;align-items:center}
.brand img{height:36px;width:auto}
.menu{display:flex;gap:28px;align-items:center}
.menu a{color:var(--ink-2);font-weight:500;font-size:.95rem}
.menu a:hover,.menu a:focus-visible{color:var(--primary);text-decoration:none}
.menu-toggle{display:none;background:transparent;border:1px solid var(--border);border-radius:10px;padding:10px;cursor:pointer;flex-direction:column;gap:4px;width:44px;height:44px;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:var(--transition)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;padding:8px 24px 16px;border-bottom:1px solid var(--border);background:var(--bg)}
.mobile-menu a{padding:14px 4px;color:var(--ink-2);font-weight:500;border-bottom:1px solid var(--border)}
.mobile-menu a:last-child{border-bottom:0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:12px;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform var(--transition),background var(--transition),box-shadow var(--transition);min-height:48px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px -8px rgba(0,102,204,.5)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--primary-700);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--bg-2);color:var(--ink);text-decoration:none}

/* Hero */
.hero{padding:64px 0 48px;background:linear-gradient(180deg,var(--bg-2) 0,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy .lead{font-size:1.125rem;color:var(--muted);max-width:54ch}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 20px}
.badges{display:flex;flex-wrap:wrap;gap:16px;margin-top:8px;color:var(--muted);font-size:.92rem}
.badges li{display:inline-flex;align-items:center;gap:6px}
.badges span{color:var(--accent);font-weight:700}
.hero-art img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}

/* Section heads */
.section-head{text-align:center;max-width:680px;margin:0 auto 40px}
.section-head .muted{font-size:1.05rem}

/* Search */
.search{padding:64px 0;background:var(--bg)}
.search h2{text-align:center}
.search .muted{text-align:center;max-width:620px;margin:0 auto 28px}
.search-form{display:flex;gap:10px;max-width:780px;margin:0 auto;background:var(--bg-2);padding:10px;border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow);flex-wrap:wrap}
.search-form input{flex:1;min-width:260px;padding:14px 16px;font-size:1rem;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--ink);font-family:inherit;min-height:48px}
.search-form input:focus-visible{outline-offset:0}
.hint{text-align:center;color:var(--muted);font-size:.88rem;margin:14px 0 0}
.result{max-width:780px;margin:20px auto 0;padding:0 8px}
.result:empty{display:none}
.result-box{padding:18px 20px;border-radius:12px;border:1px solid var(--border);background:var(--bg-2)}
.result-box.ok{border-color:var(--accent);background:rgba(0,168,107,.08)}
.result-box.err{border-color:#E11D48;background:rgba(225,29,72,.08)}
.result-box h3{margin:0 0 10px;font-size:1.05rem}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px 24px;margin-top:10px}
.result-grid dt{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.result-grid dd{margin:0;font-weight:600;color:var(--ink);font-size:.98rem}

/* Features */
.features{padding:80px 0;background:var(--bg-2)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{padding:28px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);transition:transform var(--transition),box-shadow var(--transition);box-shadow:var(--shadow)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card img{width:56px;height:56px;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--muted)}

/* Steps */
.steps{padding:80px 0;background:var(--bg)}
.steps-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.steps-list li{padding:28px;background:var(--bg-2);border-radius:var(--radius);border:1px solid var(--border);position:relative}
.step-num{display:inline-flex;width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:700;font-size:1.1rem;align-items:center;justify-content:center;margin-bottom:14px}
.steps-list h3{margin-bottom:6px}
.steps-list p{margin:0;color:var(--muted)}

/* FAQ */
.faq{padding:80px 0;background:var(--bg-2)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:4px 20px;transition:box-shadow var(--transition)}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--primary);transition:transform var(--transition);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 16px;color:var(--muted)}

/* Ad / SyncNFe */
.ad{padding:64px 0;background:linear-gradient(135deg,#E8F1FB 0%,#E6F7EF 100%)}
@media (prefers-color-scheme:dark){.ad{background:linear-gradient(135deg,#152740 0%,#0F2A22 100%)}}
.ad-inner{position:relative}
.ad-link{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;padding:36px;background:var(--bg);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-lg);text-decoration:none;color:var(--ink);transition:transform var(--transition),box-shadow var(--transition)}
.ad-link:hover,.ad-link:focus-visible{transform:translateY(-3px);box-shadow:0 24px 56px -20px rgba(15,27,45,.32);text-decoration:none;color:var(--ink)}
.ad-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:var(--bg-3);padding:5px 10px;border-radius:999px;margin-bottom:14px}
.ad-content h2{font-size:clamp(1.4rem,2.4vw,2rem);margin:0 0 12px}
.ad-content h2 em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.ad-content p{color:var(--muted);margin-bottom:14px}
.ad-cta{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary)}
.ad-logo{display:flex;justify-content:center;align-items:center;padding:24px;background:var(--bg-2);border-radius:var(--radius);min-height:140px}
.ad-logo img{max-width:240px;width:100%;height:auto}

/* Footer */
.site-footer{
  background:radial-gradient(1200px 480px at 80% -10%,rgba(0,102,204,.18),transparent 60%),
             radial-gradient(900px 380px at 0% 110%,rgba(0,168,107,.12),transparent 60%),
             #0A1424;
  color:#D8E2F0;padding:72px 0 28px;margin-top:0;position:relative;
  border-top:1px solid rgba(255,255,255,.06);
}
.site-footer h2{font-size:.82rem;color:#FFFFFF;text-transform:uppercase;letter-spacing:.14em;margin:0 0 18px;font-weight:700}
.site-footer p{color:#B8C5D8;margin:0 0 14px;line-height:1.65}
.site-footer a{color:#D8E2F0;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:color var(--transition),transform var(--transition)}
.site-footer a:hover,.site-footer a:focus-visible{color:#FFFFFF;text-decoration:none;transform:translateX(2px)}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand img{height:42px;width:auto;margin-bottom:18px}
.footer-brand p{max-width:34ch;color:#B8C5D8}
.footer-social{margin-top:18px}
.footer-social a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  color:#FFFFFF;font-weight:600;font-size:.92rem;
}
.footer-social a:hover,.footer-social a:focus-visible{
  background:rgba(0,102,204,.25);border-color:rgba(77,163,255,.5);transform:none
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;color:#B8C5D8}
.footer-col li{font-size:.95rem;line-height:1.5}
.footer-disclaimer p{font-size:.88rem;color:#9AAFC7;line-height:1.65}
.copyright{
  padding-top:28px;display:flex;flex-direction:column;align-items:center;gap:6px;
  text-align:center;color:#9AAFC7;font-size:.88rem;
}
.copyright p{margin:0;color:#9AAFC7}
.copyright strong{color:#FFFFFF;font-weight:700}
.copyright-meta{font-size:.82rem;color:#7A8BA3 !important;max-width:60ch}

@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:640px){
  .site-footer{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px;text-align:center}
  .footer-brand{grid-column:auto}
  .footer-brand img{margin-left:auto;margin-right:auto}
  .footer-brand p{margin-left:auto;margin-right:auto}
  .footer-col ul{align-items:center}
  .footer-social{display:flex;justify-content:center}
}

/* Responsive */
@media (max-width:900px){
  .hero{padding:48px 0 32px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-art{order:-1;max-width:480px;margin:0 auto}
  .grid,.steps-list{grid-template-columns:repeat(2,1fr)}
  .ad-link{grid-template-columns:1fr;text-align:center}
  .ad-logo{order:-1}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .menu{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-menu[aria-hidden="false"]{display:flex}
  .hero{padding:36px 0 24px}
  .grid,.steps-list{grid-template-columns:1fr}
  .features,.steps,.faq{padding:56px 0}
  .ad{padding:48px 0}
  .ad-link{padding:24px}
  .search-form{padding:8px;flex-direction:column}
  .search-form input,.search-form button{width:100%}
}


@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* Camada responsiva compartilhada */
html{overflow-x:hidden}body{overflow-wrap:break-word}img,svg,video,iframe{max-width:100%;height:auto}button,a,input,select,textarea{touch-action:manipulation}
@media (max-width:760px){
  .container,.wrap,.header-inner{width:100%;max-width:100%;padding-left:16px;padding-right:16px}
  .site-header,.header-inner{max-width:100%}
  .brand{min-width:0}.brand img{max-width:min(46vw,180px);height:auto}
  .nav,.nav-links,.site-nav,.menu{max-width:100%}
  .hero,.section,.benefits,.faq,.services,.timeline,.blog,.contact,.audience,.process,.knowledge,.topics,.comparison,.resource,.seo-section,.seo-deep-dive{overflow:hidden}
  .hero-grid,.hero__content,.hero-content,.split,.split-grid,.two-col,.content-grid,.content-columns,.editorial-split,.benefit-grid,.feature-grid,.service-grid,.audience-grid,.blog-grid,.post-grid,.steps-grid,.seo-topic-grid,.nfcom-network-grid,.footer-grid,.ad-grid,.ad-card,.ad-section,.sync-card,.checklist-layout{grid-template-columns:minmax(0,1fr)!important}
  .hero-copy,.hero-text,.hero-media,.hero-art,.hero-visual,.section-copy,.copy-block,.ad-copy,.sync-copy{min-width:0;max-width:100%}
  h1{font-size:clamp(2rem,10vw,3rem)!important;line-height:1.08!important;overflow-wrap:break-word}
  h2{font-size:clamp(1.5rem,7vw,2.15rem);line-height:1.15}
  p,li{font-size:max(1rem,16px);line-height:1.65}
  .hero-actions,.cta-row,.sync-actions,.seo-actions,.seo-conversion-actions,.ad-actions{display:flex;flex-direction:column;align-items:stretch;gap:12px}
  .hero-actions .button,.hero-actions .btn,.hero-actions a,.cta-row a,.sync-actions a,.seo-actions a,.seo-conversion-actions a,.ad-actions a{width:100%;min-height:48px;justify-content:center;text-align:center}
  .button,.btn,.ad-button,.ad-cta,.nav-cta{min-height:44px}
  .domain-guides{padding-left:16px!important;padding-right:16px!important}
  .domain-guides__grid{grid-template-columns:minmax(0,1fr)!important}
  .domain-guide-card,.seo-topic-card,.service-card,.knowledge-card,.card,.feature{min-width:0;padding:1.15rem}
  table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  pre,code{white-space:pre-wrap;overflow-wrap:anywhere}
  .whatsapp-float{right:12px!important;bottom:max(12px,env(safe-area-inset-bottom))!important;max-width:calc(100vw - 24px)}
  .whatsapp-float__label,.whatsapp-float__text{max-width:calc(100vw - 96px);white-space:normal}
  .site-footer,.footer{padding-bottom:max(2rem,calc(1rem + env(safe-area-inset-bottom)))}
}
@media (max-width:380px){
  .container,.wrap,.header-inner{padding-left:12px;padding-right:12px}
  h1{font-size:clamp(1.8rem,10vw,2.35rem)!important}
  .domain-guides{padding-left:12px!important;padding-right:12px!important}
}

/* Contraste estável para rótulos sobre fundos e imagens variáveis */
.eyebrow{display:table;width:fit-content;padding:.3rem .55rem;border-radius:.4rem;background:#064e3b!important;color:#fff!important;text-shadow:none!important}
.ad-logo-card span,.sync-logo-link span,.sync-card>span{color:#4b5563!important}
@media (prefers-color-scheme:dark){:root{--ink:#0f1b2d;--ink-2:#1f2d45;--muted:#5a6b82;--bg:#fff;--bg-2:#f4f8fc;--bg-3:#e8f1fb;--border:#d6e1ee}.site-header{background:rgba(255,255,255,.92)}.search input{color:#0f1b2d;background:#fff}.card{color:#0f1b2d}.ad{background:linear-gradient(135deg,#f4f8fc 0%,#eaf8f2 100%)}}

/* whatsapp-floating-v3: visual unificado, sem expansão automática */
.whatsapp-float{isolation:isolate;width:auto!important;max-width:calc(100vw - 36px);min-width:62px;height:62px;padding:0 1.15rem 0 .55rem!important;display:flex;align-items:center;justify-content:center!important;gap:.7rem!important;overflow:visible;box-sizing:border-box;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:#087f5b;color:#fff;font-size:.9rem;line-height:1;font-weight:800;letter-spacing:-.01em;text-decoration:none;white-space:nowrap;box-shadow:0 16px 38px rgba(4,72,51,.34),inset 0 1px 0 rgba(255,255,255,.14);animation:whatsapp-float-in .45s cubic-bezier(.2,.8,.2,1) both!important;transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease!important}
.whatsapp-float::after{content:"";position:absolute;top:7px;left:45px;width:8px;height:8px;border:2px solid #087f5b;border-radius:50%;background:#b8f28b;box-sizing:content-box}
.whatsapp-float svg{width:44px!important;height:44px!important;padding:9px;flex:0 0 auto;box-sizing:border-box;border-radius:50%;background:rgba(255,255,255,.13);fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.whatsapp-float :is(.whatsapp-float__label,.whatsapp-float__text){display:inline-block!important;max-width:230px!important;margin-left:0!important;overflow:visible!important;opacity:1!important;transform:none!important;animation:none!important}
.whatsapp-float:is(:hover,:focus-visible){width:auto!important;background:#066b4c;color:#fff;filter:none;transform:translateY(-3px) scale(1.015);box-shadow:0 20px 42px rgba(4,72,51,.42),inset 0 1px 0 rgba(255,255,255,.18)}
.whatsapp-float:active{transform:translateY(-1px) scale(.98)}
.whatsapp-float:focus-visible{outline:3px solid #ffd166;outline-offset:4px}
@keyframes whatsapp-float-in{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
@media(max-width:640px){.whatsapp-float{right:12px!important;bottom:max(12px,env(safe-area-inset-bottom))!important;width:58px!important;min-width:58px;height:58px;padding:0!important;justify-content:center!important}.whatsapp-float svg{width:46px!important;height:46px!important}.whatsapp-float::after{top:5px;left:auto;right:3px}.whatsapp-float :is(.whatsapp-float__label,.whatsapp-float__text){position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip-path:inset(50%);white-space:nowrap;border:0}}
@media(prefers-reduced-motion:reduce){.whatsapp-float{animation:none!important;transition:none!important}}