/* FlowPass Brasil — Estilos Globais
   Design tokens baseados na identidade visual oficial (Setembro/2026)
   Sem degradê, sem sombra no símbolo, foco em contraste AA e tipografia Inter
*/

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-w-page: 1140px;
  --max-w-prose: 760px;
  --gutter: 1rem; /* 16px exatos conforme brief */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --transition: 150ms ease;
}

@media (min-width: 768px) {
  :root {
    --gutter: 1.5rem;
  }
}

/* Modo Claro (padrão quando solicitado ou via prefers-color-scheme) */
:root,
:root[data-theme="light"] {
  --color-bg: #F8FAFC;              /* slate-50 */
  --color-bg-alt: #F1F5F9;          /* slate-100 */
  --color-card: #FFFFFF;            /* branco */
  --color-card-subtle: #F8FAFC;
  --color-border: #E2E8F0;          /* slate-200 */
  --color-border-subtle: #F1F5F9;
  --color-text-heading: #0F172A;    /* slate-900 */
  --color-text-body: #334155;       /* slate-700 */
  --color-text-muted: #64748B;      /* slate-500 */
  --color-text-subtle: #94A3B8;     /* slate-400 */
  --color-blue: #2563EB;            /* blue-600 */
  --color-blue-hover: #1D4ED8;      /* blue-700 */
  --color-blue-subtle: #EFF6FF;     /* blue-50 */
  --color-blue-border: #BFDBFE;     /* blue-200 */
  --btn-primary-bg: #2563EB;
  --btn-primary-hover: #1D4ED8;
  --btn-primary-text: #FFFFFF;
  --btn-secondary-bg: #FFFFFF;
  --btn-secondary-hover: #F1F5F9;
  --btn-secondary-text: #0F172A;
  --btn-secondary-border: #CBD5E1;
  --color-status-green: #059669;    /* emerald-600 */
  --color-status-green-bg: #ECFDF5;
  --color-status-amber: #D97706;    /* amber-600 */
  --color-status-amber-bg: #FFFBEB;
  --color-status-red: #DC2626;      /* red-600 */
  --color-status-red-bg: #FEF2F2;
  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);
  --header-bg: rgba(248, 250, 252, 0.92);
  --badge-bg: #EFF6FF;
  --badge-text: #1D4ED8;
}

/* Modo Escuro */
:root[data-theme="dark"] {
  --color-bg: #020617;              /* slate-950 */
  --color-bg-alt: #0F172A;          /* slate-900 */
  --color-card: #0F172A;            /* slate-900 */
  --color-card-subtle: #162032;
  --color-border: #1E293B;          /* slate-800 */
  --color-border-subtle: #131E30;
  --color-text-heading: #F1F5F9;    /* slate-100 */
  --color-text-body: #CBD5E1;       /* slate-300 */
  --color-text-muted: #94A3B8;      /* slate-400 */
  --color-text-subtle: #64748B;     /* slate-500 */
  --color-blue: #60A5FA;            /* blue-400 */
  --color-blue-hover: #93C5FD;      /* blue-300 */
  --color-blue-subtle: rgba(96, 165, 250, 0.12);
  --color-blue-border: rgba(96, 165, 250, 0.3);
  --btn-primary-bg: #60A5FA;
  --btn-primary-hover: #93C5FD;
  --btn-primary-text: #020617;
  --btn-secondary-bg: #0F172A;
  --btn-secondary-hover: #1E293B;
  --btn-secondary-text: #F1F5F9;
  --btn-secondary-border: #334155;
  --color-status-green: #34D399;    /* emerald-400 */
  --color-status-green-bg: rgba(52, 211, 153, 0.15);
  --color-status-amber: #FBBF24;    /* amber-400 */
  --color-status-amber-bg: rgba(251, 191, 36, 0.15);
  --color-status-red: #F87171;      /* red-400 */
  --color-status-red-bg: rgba(248, 113, 113, 0.15);
  --focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.4);
  --header-bg: rgba(2, 6, 23, 0.92);
  --badge-bg: rgba(96, 165, 250, 0.15);
  --badge-text: #93C5FD;
}

/* Suporte automático ao prefers-color-scheme sem data-theme explícito */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #020617;
    --color-bg-alt: #0F172A;
    --color-card: #0F172A;
    --color-card-subtle: #162032;
    --color-border: #1E293B;
    --color-border-subtle: #131E30;
    --color-text-heading: #F1F5F9;
    --color-text-body: #CBD5E1;
    --color-text-muted: #94A3B8;
    --color-text-subtle: #64748B;
    --color-blue: #60A5FA;
    --color-blue-hover: #93C5FD;
    --color-blue-subtle: rgba(96, 165, 250, 0.12);
    --color-blue-border: rgba(96, 165, 250, 0.3);
    --btn-primary-bg: #60A5FA;
    --btn-primary-hover: #93C5FD;
    --btn-primary-text: #020617;
    --btn-secondary-bg: #0F172A;
    --btn-secondary-hover: #1E293B;
    --btn-secondary-text: #F1F5F9;
    --btn-secondary-border: #334155;
    --color-status-green: #34D399;
    --color-status-green-bg: rgba(52, 211, 153, 0.15);
    --color-status-amber: #FBBF24;
    --color-status-amber-bg: rgba(251, 191, 36, 0.15);
    --color-status-red: #F87171;
    --color-status-red-bg: rgba(248, 113, 113, 0.15);
    --focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.4);
    --header-bg: rgba(2, 6, 23, 0.92);
    --badge-bg: rgba(96, 165, 250, 0.15);
    --badge-text: #93C5FD;
  }
}

/* Reset e base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  background-color: var(--color-bg);
  color: var(--color-text-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  color: var(--color-text-body);
  overflow-x: hidden;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.25;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-blue-hover);
  text-decoration: underline;
}

/* Foco acessível visível */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Símbolo dinâmico por tema */
.symbol-light {
  display: inline-block;
}
.symbol-dark {
  display: none;
}

:root[data-theme="dark"] .symbol-light {
  display: none !important;
}
:root[data-theme="dark"] .symbol-dark {
  display: inline-block !important;
}
:root[data-theme="light"] .symbol-dark {
  display: none !important;
}
:root[data-theme="light"] .symbol-light {
  display: inline-block !important;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .symbol-light {
    display: none;
  }
  :root:not([data-theme="light"]) .symbol-dark {
    display: inline-block;
  }
}

/* Layout containers */
.container {
  width: 100%;
  max-width: var(--max-w-page);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container-prose {
  width: 100%;
  max-width: var(--max-w-prose);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Cabeçalho */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
  gap: 1rem;
}

/* Marca horizontal: símbolo + "FlowPass" (800) + "Brasil" (500) */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-text-heading);
}

.brand-lockup:hover {
  text-decoration: none;
}

.brand-symbol-wrap {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.brand-symbol-wrap img {
  display: block;
  width: 48px;
  height: 15px;
}

.brand-wordmark {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-heading);
  line-height: 1;
}

.brand-country {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  line-height: 1;
  margin-left: -0.125rem;
}

/* Navegação */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.375rem 0.25rem;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-heading);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Alternador de tema */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-body);
  border-radius: var(--radius-sm);
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.theme-toggle-btn:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-text-heading);
}

.theme-toggle-btn svg {
  width: 1.125rem;
  height: 1.125rem;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform 0.1s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: 1px solid transparent;
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
  color: var(--btn-primary-text);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border: 1px solid var(--btn-secondary-border);
}

.btn-secondary:hover {
  background-color: var(--btn-secondary-hover);
  color: var(--btn-secondary-text);
  text-decoration: none;
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.5rem 0.875rem;
}

.btn-lg {
  font-size: 1.0625rem;
  padding: 0.9375rem 1.75rem;
}

/* Badges e tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  background-color: var(--badge-bg);
  color: var(--badge-text);
}

.badge-status-green {
  background-color: var(--color-status-green-bg);
  color: var(--color-status-green);
}

.badge-status-amber {
  background-color: var(--color-status-amber-bg);
  color: var(--color-status-amber);
}

.badge-status-red {
  background-color: var(--color-status-red-bg);
  color: var(--color-status-red);
}

/* Seções */
.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.section-hero {
  padding-top: 5rem;
  padding-bottom: 4.5rem;
}

.section-alt {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 3rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.625rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.375rem);
  letter-spacing: -0.025em;
  margin-bottom: 0.875rem;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Cartões */
.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition);
}

/* Hero Section */
.hero-content {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(1.625rem, 6.5vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 1.25rem;
  overflow-wrap: break-word;
  word-break: normal;
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2.25rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

/* Visualização simples da portaria no Hero */
.hero-preview {
  margin-top: 3rem;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: left;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.875rem;
  margin-bottom: 1.25rem;
}

.preview-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-heading);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-status-green);
  display: inline-block;
}

.preview-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.preview-col {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem;
}

.preview-col-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.preview-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
}

.preview-item:last-child {
  margin-bottom: 0;
}

.preview-item-name {
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 0.125rem;
}

.preview-item-meta {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* O Problema */
.stat-highlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  margin-bottom: 2rem;
}

.stat-number {
  font-size: clamp(3rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}

.stat-label {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-heading);
  max-width: 540px;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.stat-footnote {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Como funciona: 3 passos */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.step-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
}

.step-number {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: var(--color-blue-subtle);
  border: 1px solid var(--color-blue-border);
  color: var(--color-blue);
  font-weight: 700;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.step-title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.step-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Recursos adicionais */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.feature-box h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.feature-box p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* O FlowPass é / não é */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.comparison-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.comparison-card-title {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.comparison-bullet {
  font-weight: 700;
  line-height: 1.4;
  flex-shrink: 0;
}

.comparison-item-is .comparison-bullet {
  color: var(--color-blue);
}

.comparison-item-isnot .comparison-bullet {
  color: var(--color-text-muted);
}

.comparison-callout {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-heading);
  text-align: center;
}

/* Privacidade e Segurança no Index */
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.security-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.security-item h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.security-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.security-cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.security-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.security-link {
  font-weight: 600;
  font-size: 0.9375rem;
}

/* Implantação */
.deployment-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.deployment-step {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.deployment-step-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.deployment-step h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.deployment-step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* CTA Final */
.cta-banner {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.cta-banner p {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Rodapé */
.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  margin-top: auto;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {
  max-width: 320px;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.875rem;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-heading);
  margin-bottom: 0.875rem;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-text-heading);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

/* Estilos de páginas de política e leitura (/como-funciona, /privacidade, /seguranca) */
.page-header-prose {
  padding-top: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2.5rem;
}

.page-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.page-version-badge {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.prose-section {
  margin-bottom: 2.5rem;
}

.prose-section h2 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.875rem;
}

.prose-section h3 {
  font-size: 1.0625rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.prose-section p {
  color: var(--color-text-body);
  line-height: 1.65;
  margin-bottom: 1rem;
  font-size: 0.96875rem;
}

.prose-section ul,
.prose-section ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-text-body);
  line-height: 1.65;
  font-size: 0.96875rem;
}

.prose-section li {
  margin-bottom: 0.5rem;
}

.prose-callout {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.96875rem;
  line-height: 1.6;
}

.prose-callout-strong {
  font-weight: 600;
  color: var(--color-text-heading);
}

.prose-footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Responsividade */
@media (max-width: 960px) {
  .problem-grid,
  .steps-grid,
  .features-grid,
  .deployment-steps {
    grid-template-columns: 1fr;
  }

  .preview-columns {
    grid-template-columns: 1fr;
  }

  .comparison-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none; /* Em telas menores, navegação simplificada */
  }

  .site-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 4.25rem;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem var(--gutter);
    gap: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  }

  .nav-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-body);
    border-radius: var(--radius-sm);
    width: 2.25rem;
    height: 2.25rem;
    cursor: pointer;
  }

  .header-btn-wa {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    line-height: 1.35;
  }

  .hero-preview {
    padding: 1rem;
  }

  .preview-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.625rem;
  }

  .preview-title {
    font-size: 0.8125rem;
  }

  .cta-banner {
    padding: 2.25rem 1.25rem;
  }

  .cta-banner .btn {
    width: 100%;
    white-space: normal;
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    width: 100%;
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .section-hero {
    padding-top: 3rem;
    padding-bottom: 2.5rem;
  }

  .section {
    padding-top: 2.75rem;
    padding-bottom: 2.75rem;
  }

  .security-cta-box {
    padding: 1.25rem 1rem;
  }
}

@media (max-width: 400px) {
  .brand-country {
    display: none;
  }

  .brand-wordmark {
    font-size: 1.125rem;
  }

  .hero-title {
    font-size: 1.625rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

@media (min-width: 769px) {
  .nav-toggle-btn {
    display: none;
  }
}