/* ==============================================================================
   ResumoZap Backup — Estilos Institucionais & Acessibilidade
   Design Moderno, Minimalista, Responsivo e 100% Estático (Zero Cookies/Tracking)
   ============================================================================== */

:root {
  --bg-primary: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-elevated: #334155;
  --bg-surface-subtle: #1e293b80;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-color: #334155;
  --border-subtle: #1e293b;
  
  --brand-primary: #0284c7;
  --brand-hover: #38bdf8;
  --brand-gradient: linear-gradient(135deg, #0284c7 0%, #0f766e 100%);
  
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-blue: #3b82f6;

  --status-active-bg: rgba(16, 185, 129, 0.12);
  --status-active-border: rgba(16, 185, 129, 0.35);
  --status-active-text: #34d399;

  --status-planned-bg: rgba(245, 158, 11, 0.12);
  --status-planned-border: rgba(245, 158, 11, 0.35);
  --status-planned-text: #fbbf24;

  --code-bg: #090d16;
  --container-max: 1100px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f1f5f9;
    --bg-surface-subtle: #f8fafc;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --border-color: #e2e8f0;
    --border-subtle: #cbd5e1;
    
    --code-bg: #f1f5f9;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Acessibilidade: Skip Link & Focus */
.skip-link {
  position: absolute;
  top: -40px;
  left: 20px;
  background: var(--brand-primary);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.2s;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 15px;
}

:focus-visible {
  outline: 2px solid var(--brand-hover);
  outline-offset: 3px;
}

/* Layout Geral */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Header & Navegação */
.site-header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  height: 36px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link.active {
  color: var(--brand-hover);
}

.nav-link.active {
  font-weight: 600;
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 3rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background-color: var(--status-active-bg);
  border: 1px solid var(--status-active-border);
  color: var(--status-active-text);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title-highlight {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

/* Seções e Grids */
.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 2.5rem;
  text-align: left;
}

.section-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 720px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Cards */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--brand-primary);
  transform: translateY(-2px);
}

.card-header-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.active {
  background-color: var(--status-active-bg);
  border: 1px solid var(--status-active-border);
  color: var(--status-active-text);
}

.status-badge.planned {
  background-color: var(--status-planned-bg);
  border: 1px solid var(--status-planned-border);
  color: var(--status-planned-text);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.feature-list svg {
  flex-shrink: 0;
  margin-top: 0.25rem;
  color: var(--status-active-text);
}

/* Caixa de Destaque Técnico (Scope Explain) */
.callout-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin: 1.5rem 0;
}

.callout-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-inline {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--brand-hover);
}

/* Artigo Legal (Privacidade e Termos) */
.legal-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 0;
}

.legal-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.legal-section {
  margin-bottom: 2.25rem;
}

.legal-section h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.legal-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.2rem 0 0.5rem;
  color: var(--text-secondary);
}

.legal-section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.legal-section ul {
  list-style: disc;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.legal-section li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* Bloco Configurável de Contato */
.contact-highlight {
  background: var(--bg-surface);
  border: 1px dashed var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.contact-highlight strong {
  color: var(--brand-hover);
}

/* Footer */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--brand-hover);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

/* Responsividade */
@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }
  .hero {
    padding: 3rem 0 2rem;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}