:root{
  color-scheme:dark;
  --bg:#101419;--surface:#171d24;--surface-soft:#1b222a;--surface-warm:#292316;
  --ink:#f2f4f5;--ink-soft:#c5cdd3;--muted:#8f9ba5;--line:#28323b;--line-strong:#455564;
  --brand:#77a3bd;--brand-dark:#648fa8;--brand-soft:rgba(119,163,189,.12);
  --success:#68ad86;--warning:#cdaa61;--warning-bg:#292316;--focus:#9ccbe5;
  --shadow:none;--radius-sm:5px;--radius:7px;--radius-lg:9px;
  --container:1120px;--reading:760px;--body-size:20px;
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;
}
html[data-font-size="small"]{--body-size:18px}
html[data-font-size="normal"]{--body-size:20px}
html[data-font-size="large"]{--body-size:23px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:128px;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:var(--body-size);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a,summary{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:4px solid var(--focus);outline-offset:3px}
[hidden]{display:none!important}
.container{width:min(calc(100% - 32px),var(--container));margin-inline:auto;min-width:0}
.reading{max-width:var(--reading)}
.skip-link{position:fixed;left:12px;top:12px;z-index:1000;padding:12px 16px;background:#091019;color:var(--ink);border-radius:var(--radius-sm);font-weight:800;transform:translateY(-170%)}
.skip-link:focus{transform:none}
.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.icon-lg{width:32px;height:32px}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.clipboard-fallback{position:fixed;left:-9999px;top:-9999px;opacity:0}

/* Header simples, sem menu escondido */
.guide-header{position:sticky;top:0;z-index:50;background:rgba(11,16,23,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(120%) blur(8px)}
.header-main{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding-block:10px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;font-weight:850;letter-spacing:-.02em;font-size:.92em}
.brand img{width:42px;height:42px;object-fit:contain}
.brand-text{display:block;white-space:nowrap}
.brand-text strong{display:block;font-size:1em;line-height:1.05}.brand-text span{display:block;color:var(--muted);font-size:.72em;letter-spacing:.03em;text-transform:none;margin-top:3px}
.header-download{min-height:52px;padding-inline:14px;font-size:.78em}
.guide-nav{border-top:1px solid var(--line);background:var(--surface)}
.guide-nav .container{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
.guide-nav a{min-height:48px;display:flex;align-items:center;justify-content:center;text-align:center;padding:8px 10px;color:var(--ink-soft);font-size:.74em;font-weight:750;border-bottom:1px solid var(--line)}
.guide-nav a:nth-child(odd){border-right:1px solid var(--line)}
.guide-nav a:hover{background:var(--surface-soft);color:var(--ink)}

/* Acessibilidade */
.accessibility-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.accessibility-inner{display:flex;flex-direction:column;gap:12px;padding-block:12px}
.accessibility-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.accessibility-label{font-size:.72em;font-weight:800;color:var(--ink-soft);margin-right:2px}
.access-btn{min-width:48px;min-height:48px;border:2px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font-weight:850;cursor:pointer;padding:0 12px}
.access-btn[aria-pressed="true"]{background:#091019;color:var(--ink);border-color:var(--ink)}
.access-btn-wide{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:0;font-weight:750}
.access-btn:disabled{opacity:.48;cursor:not-allowed}
.access-status{font-size:.72em;color:var(--muted);min-height:1.2em;margin:0}

/* Botões */
.btn{min-height:56px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border:2px solid transparent;border-radius:var(--radius-sm);padding:10px 20px;font-size:.9em;font-weight:850;line-height:1.25;cursor:pointer;text-align:center;transition:background-color .14s,border-color .14s,color .14s}
.btn-primary{background:#dbe5ea;border-color:#dbe5ea;color:#101419}.btn-primary:hover{background:#eef3f5;border-color:#eef3f5}
.btn-secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.btn-secondary:hover{background:var(--surface-soft);border-color:var(--brand)}
.btn-soft{background:var(--brand-soft);border-color:var(--line-strong);color:var(--brand-dark)}.btn-soft:hover{background:rgba(119,163,189,.18)}
.btn-full{width:100%}
.btn-large{min-height:64px;font-size:1em;padding-inline:26px}
.btn .icon{width:25px;height:25px}

/* Hero */
.hero{padding:42px 0 50px;background:var(--surface)}
.hero-grid{display:grid;gap:34px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.72em;font-weight:700;letter-spacing:0;text-transform:none;margin-bottom:14px}
.hero h1{font-size:clamp(2.45rem,10vw,4.7rem);line-height:1.02;letter-spacing:-.05em;margin:0;max-width:820px}
.hero-lead{font-size:1.08em;line-height:1.6;color:var(--ink-soft);max-width:760px;margin:20px 0 0}
.hero-audience{color:var(--muted);font-weight:650;max-width:760px;margin:14px 0 0}
.hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px;max-width:560px}
.hero-meta{display:flex;gap:8px 16px;flex-wrap:wrap;color:var(--ink-soft);font-size:.78em;font-weight:750;margin:14px 0 0}
.hero-meta span{display:flex;align-items:center;gap:7px}.hero-meta .icon{width:18px;height:18px;color:var(--brand)}
.download-feedback{margin-top:18px;padding:16px 18px;border:2px solid var(--line-strong);background:var(--surface-soft);border-radius:var(--radius);max-width:620px}
.download-feedback strong{display:flex;align-items:center;gap:9px;font-size:.92em}.download-feedback p{margin:5px 0 0;color:var(--ink-soft);font-size:.82em}
.hero-visual{display:grid;place-items:center}
.hero-visual-card{width:min(100%,600px);padding:16px 0;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0}
.hero-visual-card img{width:100%;height:auto}

/* Avisos */
.anti-scam{padding:20px 0;background:var(--warning-bg);border-block:1px solid #665329}
.anti-scam-card{display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;align-items:start}
.anti-scam-icon{width:40px;height:40px;border:2px solid #7c6735;border-radius:50%;display:grid;place-items:center;color:var(--warning)}
.anti-scam h2{font-size:1.05em;margin:0 0 6px}.anti-scam p{font-size:.86em;line-height:1.55;color:#e7d59b;margin:0}

/* Seções */
.section{padding:56px 0}
.section-soft{background:var(--surface-soft);border-block:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:28px}
.section-head .kicker{color:var(--muted);font-size:.72em;letter-spacing:0;text-transform:none;font-weight:700;margin-bottom:8px}
.section-head h2{font-size:clamp(2rem,7vw,3.15rem);line-height:1.08;letter-spacing:-.035em;margin:0}
.section-head p{color:var(--ink-soft);margin:14px 0 0;max-width:730px}
.lead-box{display:grid;gap:20px;align-items:center}
.guide-preview{display:grid;grid-template-columns:100px minmax(0,1fr);gap:18px;align-items:center;padding:18px 0;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0}
.guide-preview img{width:100px;height:142px;object-fit:cover;border-radius:7px;border:1px solid var(--line);box-shadow:0 8px 18px rgba(29,63,42,.09)}
.guide-preview h3{margin:0 0 7px;font-size:1em}.guide-preview p{margin:0;color:var(--ink-soft);font-size:.84em}
.simple-points{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}.simple-points li{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;align-items:start}.simple-points .icon{width:24px;height:24px;color:var(--brand);margin-top:3px}

/* Conteúdos */
.topic-grid{display:grid;gap:14px}
.topic-card{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;padding:20px 0;background:transparent;border:0;border-top:1px solid var(--line);border-radius:0}
.topic-icon{width:42px;height:42px;border-radius:4px;background:transparent;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand)}
.topic-card h3{font-size:1em;margin:0 0 5px;line-height:1.25}.topic-card p{font-size:.82em;line-height:1.55;color:var(--ink-soft);margin:0}

/* Regra 3 passos */
.rule-section{padding:60px 0;background:#091019;color:var(--ink)}
.rule-section .section-head .kicker{color:#9ed7ff}.rule-section .section-head p{color:#c5d6cb}
.rule-grid{display:grid;gap:12px;counter-reset:rule}
.rule-card{position:relative;padding:22px 0 22px 58px;background:transparent;color:var(--ink);border-radius:0;border-top:1px solid var(--line);min-height:120px}
.rule-card::before{counter-increment:rule;content:counter(rule);position:absolute;left:20px;top:24px;width:34px;height:34px;border-radius:4px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);color:var(--ink-soft);font-weight:800}
.rule-card h3{margin:0 0 7px;font-size:1.12em}.rule-card p{margin:0;color:var(--ink-soft);font-size:.86em}
.rule-reminder{margin:18px 0 0;font-weight:900;letter-spacing:.02em;color:#9ed7ff}

/* Situações comuns */
.scenario-grid{display:grid;gap:18px}
.scenario{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;overflow:hidden}
.scenario-message{padding:22px;background:var(--surface-soft);border-bottom:1px solid var(--line);font-weight:800;line-height:1.45}
.scenario-body{padding:22px}.risk-label{display:inline-flex;align-items:center;gap:8px;color:#e5bd68;background:var(--warning-bg);border:1px solid #e2c56f;padding:6px 10px;border-radius:4px;font-size:.72em;font-weight:800}.scenario-body h3{font-size:1em;margin:14px 0 7px}.scenario-body p{font-size:.84em;color:var(--ink-soft);margin:0}

/* Download / encontrar arquivo */
.download-section{padding:60px 0;background:var(--surface)}
.download-panel{border:1px solid var(--line-strong);background:var(--surface);border-radius:7px;padding:24px}
.download-panel h2{font-size:clamp(1.8rem,7vw,2.8rem);line-height:1.1;margin:0}.download-panel>p{color:var(--ink-soft);margin:12px 0 20px}
.after-download{margin-top:28px;padding-top:28px;border-top:1px solid var(--line)}
.after-download.is-highlighted{animation:soft-highlight 1.4s ease}
.after-download h3{font-size:1.28em;margin:0 0 8px}.after-download>p{margin:0 0 16px;color:var(--ink-soft)}
.device-choice{display:grid;grid-template-columns:1fr;gap:10px;margin:18px 0}
.device-btn{min-height:60px;border:2px solid var(--line-strong);background:var(--surface);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;gap:9px;font-weight:850;color:var(--ink);cursor:pointer;padding:10px 14px}
.device-btn[aria-selected="true"]{background:#091019;color:var(--ink);border-color:var(--ink)}
.device-btn .icon{width:26px;height:26px}
.device-panel{margin-top:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.device-panel h3{font-size:1.22em;margin:0 0 16px;display:flex;align-items:center;gap:10px}.device-panel h3 .icon{color:var(--brand)}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:steps}
.steps li{counter-increment:steps;display:grid;grid-template-columns:44px minmax(0,1fr);gap:12px;align-items:start;padding:0 0 14px;border-bottom:1px solid var(--line)}.steps li:last-child{border-bottom:0;padding-bottom:0}
.steps li::before{content:counter(steps);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--surface-soft);border:1px solid #455564;color:var(--brand-dark);font-weight:900}
.step-copy strong{display:block;margin-bottom:3px}.step-copy p{font-size:.84em;margin:0;color:var(--ink-soft)}
.filename{display:inline-block;background:var(--surface-soft);border:1px solid var(--line);border-radius:8px;padding:3px 7px;font-size:.88em;font-weight:750;overflow-wrap:anywhere}
.tip{margin-top:18px;padding:14px 16px;background:var(--warning-bg);border-left:5px solid #d0aa42;border-radius:8px;font-size:.82em;color:#d8c28e}

/* Ajuda extra */
.help-details{margin-top:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.help-details summary{list-style:none;cursor:pointer;min-height:62px;display:flex;align-items:center;gap:10px;padding:14px 18px;font-weight:900;color:var(--ink)}.help-details summary::-webkit-details-marker{display:none}.help-details[open] summary{border-bottom:1px solid var(--line);background:var(--surface-soft)}
.help-content{padding:20px}.help-block+ .help-block{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}.help-block h4{font-size:.95em;margin:0 0 8px}.help-block ol{margin:0;padding-left:22px;color:var(--ink-soft);font-size:.83em}.help-block li+li{margin-top:6px}

/* Família e compartilhamento */
.family-grid{display:grid;gap:28px;align-items:center}.family-visual{border:0;border-top:1px solid var(--line);border-radius:0;overflow:hidden;background:transparent}.family-visual img{width:100%;height:auto}
.share-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}.share-status{font-size:.78em;color:var(--brand-dark);font-weight:750;margin:10px 0 0;min-height:1.4em}

/* Footer */
.guide-footer{padding:38px 0;background:var(--surface-soft);border-top:1px solid var(--line)}
.footer-grid{display:grid;gap:22px}.footer-brand p{font-size:.78em;color:var(--ink-soft);margin:10px 0 0;max-width:520px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}.footer-links a{font-size:.76em;font-weight:750;color:var(--ink-soft);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:.68em;color:var(--muted)}

/* Utilitários */
.stack{display:grid;gap:14px}.center{text-align:center}.muted{color:var(--muted)}
@keyframes soft-highlight{0%,100%{outline-color:transparent}50%{outline-color:var(--brand)}}

@media (min-width:600px){
  .accessibility-inner{flex-direction:row;align-items:center;justify-content:space-between}
  .hero-actions,.share-actions{flex-direction:row;flex-wrap:wrap}.hero-actions .btn,.share-actions .btn{width:auto}
  .topic-grid,.scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-choice{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.2fr .8fr;align-items:end}
}
@media (min-width:760px){
  .guide-nav .container{display:flex;justify-content:center;gap:6px;padding-block:6px}.guide-nav a{border:0!important;border-radius:8px;min-height:42px;padding-inline:14px;font-size:.74em}
  .hero{padding:64px 0}.hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:48px}.hero-visual-card{padding:24px}
  .lead-box{grid-template-columns:1fr 1fr;gap:36px}
  .rule-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.rule-card{padding-left:22px;padding-top:82px}.rule-card::before{left:22px;top:24px}
  .download-panel{padding:36px}.family-grid{grid-template-columns:1fr 1fr;gap:48px}
}
@media (min-width:1024px){
  .topic-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.topic-card{grid-template-columns:1fr;align-content:start}.topic-icon{margin-bottom:2px}
}
@media (max-width:359px){
  .container{width:min(calc(100% - 24px),var(--container))}.brand img{width:38px;height:38px}.brand-text strong{font-size:.9em}.brand-text span{font-size:.63em}.header-download{min-height:50px;padding-inline:10px;font-size:.72em}.header-download .icon{display:none}.guide-nav a{font-size:.7em;padding-inline:6px}.hero h1{font-size:2.3rem}.btn-large{font-size:.92em;padding-inline:15px}.topic-card{grid-template-columns:46px minmax(0,1fr);padding:17px}.topic-icon{width:46px;height:46px}.download-panel{padding:18px}.device-panel{padding:17px}.steps li{grid-template-columns:40px minmax(0,1fr)}.steps li::before{width:38px;height:38px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
@media print{.guide-header,.accessibility-bar,.hero-actions,.share-actions,.guide-nav{display:none!important}body{font-size:14pt;background:var(--surface)}.section,.rule-section,.download-section{padding:24px 0}.rule-section{background:var(--surface);color:#000}.rule-section .section-head p,.rule-reminder{color:#000}.rule-card{border:1px solid #999}.guide-footer{background:var(--surface)}}

/* V5 accessibility refinements */
.guide-header,.accessibility-bar,.guide-nav{color-scheme:dark}.guide-nav a:hover{background:var(--surface-soft)}
.hero{background:var(--surface)}.hero-visual-card,.topic-icon{background:var(--surface-soft)}
.rule-card,.scenario,.guide-preview,.topic-card,.download-panel,.device-panel,.help-extra,.family-card{box-shadow:none}
.anti-scam-card p,.anti-scam p{color:#e4d3a0}
.btn-primary{color:#06131b}.btn-primary:hover{color:#06131b}.rule-card::before{color:#06131b}
@media print{body{background:#fff!important;color:#000!important}.rule-section{background:#fff!important;color:#000!important}.rule-card,.topic-card,.scenario,.guide-preview{background:#fff!important;color:#000!important}}