:root {
  color-scheme: light;
  --bg: #f7f7f2;
  --paper: #ffffff;
  --ink: #17201f;
  --muted: #586260;
  --line: #dde2dc;
  --teal: #0b6f6a;
  --teal-dark: #064d49;
  --mint: #cbe7dd;
  --amber: #c17b22;
  --clay: #b95c36;
  --graphite: #24302f;
  --shadow: 0 18px 55px rgba(23, 32, 31, .12);
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; color: var(--muted); }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: 0; }
h1 { font-size: clamp(2.8rem, 8vw, 6.8rem); max-width: 11ch; }
h2 { font-size: clamp(2rem, 4vw, 4.25rem); max-width: 12ch; }
h3 { font-size: 1.18rem; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: .7rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }
.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 247, 242, .88);
  border-bottom: 1px solid rgba(221, 226, 220, .75);
  backdrop-filter: blur(14px);
}
.nav {
  width: min(100% - 32px, var(--max));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: inline-flex; align-items: center; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: .94rem;
  color: var(--graphite);
}
.nav-links a { padding: .55rem .2rem; }
.nav-links a:hover { color: var(--teal); }
.nav-cta {
  border: 1px solid var(--teal);
  border-radius: 999px;
  padding: .62rem 1rem !important;
  color: var(--teal) !important;
  font-weight: 700;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 10px;
}
.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  width: min(100% - 32px, 1320px);
  min-height: calc(100svh - 74px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(360px, 1fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 5vw, 5rem) 0 3rem;
}
.hero-copy { display: grid; gap: 1.35rem; }
.eyebrow, .tag, .post span, .ad-label {
  color: var(--teal);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-text {
  max-width: 650px;
  color: #37413f;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: .85rem 1.25rem;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.primary { background: var(--teal); color: #fff; }
.secondary { border: 1px solid var(--line); background: var(--paper); }
.hero-media {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--paper);
  aspect-ratio: 1693 / 929;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: .8rem 0 0;
}
.metrics div {
  border-left: 3px solid var(--amber);
  padding: .2rem .85rem;
}
.metrics dt { color: var(--muted); font-size: .82rem; }
.metrics dd { margin: 0; color: var(--ink); font-size: 1.2rem; font-weight: 900; }

.intro-band {
  background: var(--graphite);
  color: #fff;
  padding: clamp(2rem, 5vw, 4.5rem) 0;
}
.intro-grid, .section, .ad-section, .footer {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}
.intro-grid {
  display: grid;
  grid-template-columns: .85fr 1.3fr .85fr;
  gap: .85rem;
  align-items: stretch;
}
.intro-grid article {
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.intro-card-large {
  background: #f3b75d !important;
  color: var(--ink);
}
.intro-grid h2 { max-width: 15ch; font-size: clamp(1.35rem, 2vw, 2rem); margin: .5rem 0 .75rem; }
.intro-grid p { color: #d7dfdc; }
.intro-card-large p { color: #382a14; }
.intro-card-large .tag { color: var(--teal-dark); }
.tag { color: #f0b45e; }

.section {
  padding: clamp(3.4rem, 8vw, 7rem) 0;
}
.section-head {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(300px, .95fr);
  column-gap: clamp(2rem, 6vw, 5rem);
  row-gap: .9rem;
  align-items: end;
  max-width: none;
  margin-bottom: clamp(1.6rem, 4vw, 3rem);
}
.section-head .eyebrow {
  grid-column: 1 / -1;
}
.section-head p:last-child { font-size: 1.08rem; }
.section-head h2 {
  max-width: 11ch;
}
.section-head p:not(.eyebrow) {
  max-width: 620px;
  align-self: end;
  padding-bottom: .35rem;
}
.faq .section-head {
  grid-template-columns: minmax(280px, .78fr) minmax(320px, 1fr);
  align-items: center;
}
.faq .section-head::after {
  content: "Respostas diretas para as dúvidas mais comuns antes da implantação da NFCom modelo 62.";
  max-width: 520px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.55;
}
.faq .section-head h2 {
  max-width: 14ch;
}
.feature-grid, .steps-grid, .blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.feature, .steps-grid article, .post {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
}
.feature {
  min-height: 240px;
  display: grid;
  align-content: start;
  gap: .85rem;
  border-top: 4px solid var(--teal);
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(23, 32, 31, .08);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, .7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.split h2 { margin: .45rem 0 1rem; }
.split p + p { margin-top: 1rem; }
.editorial-split {
  grid-template-columns: minmax(0, 1fr) minmax(320px, .55fr);
}
.body-copy {
  max-width: 760px;
}
.note-card {
  display: grid;
  gap: .35rem;
  margin-top: 1.35rem;
  padding: 1.1rem 1.2rem;
  background: #fff8ea;
  border: 1px solid #efd49d;
  border-left: 5px solid var(--amber);
  border-radius: var(--radius);
}
.note-card strong {
  color: var(--ink);
  font-size: 1rem;
}
.checklist {
  background: var(--ink);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  padding: clamp(1.3rem, 3vw, 1.8rem);
  box-shadow: var(--shadow);
}
.checklist p { color: #d9e0de; margin-top: .55rem; }
.checklist ul {
  display: grid;
  gap: .7rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}
.checklist li {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: .55rem .7rem .55rem 2.1rem;
  position: relative;
  background: rgba(255,255,255,.07);
  border-radius: 6px;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: .8rem;
  top: 50%;
  transform: translateY(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #f0b45e;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: step;
}
.timeline li {
  position: relative;
  min-height: 245px;
  padding: 1.25rem 1.1rem 1rem;
  background: linear-gradient(180deg, #fff, #fbfbf7);
  border: 1px solid var(--line);
  border-left: 0;
}
.timeline li:first-child {
  border-left: 1px solid var(--line);
  border-radius: var(--radius) 0 0 var(--radius);
}
.timeline li:last-child {
  border-radius: 0 var(--radius) var(--radius) 0;
}
.timeline li::after {
  content: "";
  position: absolute;
  top: 2.18rem;
  right: -10px;
  z-index: 1;
  width: 20px;
  height: 20px;
  background: inherit;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transform: rotate(45deg);
}
.timeline li:last-child::after { display: none; }
.timeline li:nth-child(even) {
  background: #edf6f2;
}
.timeline span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: var(--teal);
  color: #fff;
  font-weight: 900;
}
.timeline strong { display: block; margin-bottom: .4rem; }

.contrast {
  width: 100%;
  max-width: none;
  background: #e9efe8;
  padding-inline: max(16px, calc((100% - var(--max)) / 2));
}
.steps-grid article strong {
  color: var(--clay);
  font-size: 1.8rem;
}
.steps-grid h3 { margin: .8rem 0 .55rem; }
.steps-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.steps-grid article {
  min-height: 225px;
  display: grid;
  align-content: start;
  border: 0;
  box-shadow: 0 14px 35px rgba(23, 32, 31, .08);
}
.steps-grid article:nth-child(even) {
  transform: translateY(1.2rem);
}
.benefits {
  display: grid;
  gap: 1rem;
  padding: 1rem 0;
}
.benefits article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--amber);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}
.benefits article:nth-child(2) {
  margin-left: 2rem;
  border-left-color: var(--teal);
}
.benefits article:nth-child(3) {
  margin-left: 4rem;
  border-left-color: var(--clay);
}
.benefits strong {
  display: block;
  margin-bottom: .35rem;
}

.post {
  min-height: 230px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  border-top: 4px solid var(--amber);
}
.post:nth-child(2) { border-top-color: var(--teal); }
.post:nth-child(3) { border-top-color: var(--clay); }
.post h3 { margin: .7rem 0 .75rem; font-size: 1.35rem; line-height: 1.18; }
.post a:hover { color: var(--teal); }

.faq-list {
  display: grid;
  gap: .8rem;
  max-width: 840px;
}
details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
summary {
  cursor: pointer;
  font-weight: 900;
}
details p { margin-top: .8rem; }

.ad-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 2rem;
  padding: 22px 24px;
  background:
    linear-gradient(120deg, rgba(11,111,106,.7) 0%, rgba(11,111,106,0) 34%),
    linear-gradient(145deg, #101b1a 0%, #132523 48%, #0a1413 100%);
  color: #fff;
  border-radius: 14px;
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 10px 30px rgba(23, 32, 31, .12);
}
.ad-section::before,
.ad-section::after,
.syncnfe-logo-card::before,
.syncnfe-logo-card::after { content: none; }
.ad-content,
.syncnfe-logo-card {
  position: relative;
  z-index: 1;
}
.ad-content { flex: 1 1 auto; max-width: 720px; }
.ad-content h2 {
  max-width: none;
  margin: .25rem 0 .4rem;
  font-size: clamp(1.15rem, 2.1vw, 1.45rem);
  line-height: 1.25;
}
.ad-content p {
  margin-bottom: 0;
  color: #d9e0de;
  font-size: .95rem;
}
.ad-label { color: #f0b45e; }
.ad-button {
  margin-top: 14px;
  min-height: 38px;
  padding: 8px 14px;
  font-size: .9rem;
  background: #f2ad4f;
  color: #1d211d;
}
.syncnfe-logo-card {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  gap: 8px;
  width: min(220px, 100%);
  padding: 18px 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  text-align: center;
  text-decoration: none;
}
.syncnfe-logo-card img {
  width: 100%;
  max-width: 200px;
  height: auto;
  object-fit: contain;
}
.syncnfe-logo-card span {
  color: rgba(255,255,255,.85);
  font-size: .85rem;
  font-weight: 700;
}
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  font-size: .95rem;
}
.footer img {
  width: auto;
  height: 36px;
  flex: 0 0 auto;
}
.footer a { color: var(--teal); font-weight: 800; }

@media (max-width: 980px) {
  .hero, .split { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-media { order: -1; }
  h1 { max-width: 12ch; }
  .section-head,
  .faq .section-head {
    grid-template-columns: 1fr;
  }
  .section-head h2,
  .faq .section-head h2 {
    max-width: 13ch;
  }
  .section-head p:not(.eyebrow) {
    padding-bottom: 0;
  }
  .intro-grid, .feature-grid, .steps-grid, .blog-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline li,
  .timeline li:first-child,
  .timeline li:last-child {
    border: 1px solid var(--line);
    border-radius: var(--radius);
  }
  .timeline li::after { display: none; }
  .steps-grid article:nth-child(even) { transform: none; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    inset: 74px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: .25rem;
    padding: .8rem;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: .8rem !important; }
  .hero { gap: 1.5rem; padding-top: 1.5rem; }
  .hero-actions .button { width: 100%; }
  .metrics, .intro-grid, .feature-grid, .steps-grid, .blog-grid, .timeline { grid-template-columns: 1fr; }
  .benefits article:nth-child(2),
  .benefits article:nth-child(3) { margin-left: 0; }
  .ad-section, .footer { flex-direction: column; align-items: flex-start; }
}

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

/* 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}}