/* ==========================================================================
   PeçaLinks - Folha de Estilos Institucional & Conformidade
   Acessível, Responsivo, Mobile-First e de Alto Desempenho
   ========================================================================== */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Paleta de Cores */
  --color-primary: #1e40af;
  --color-primary-hover: #1d4ed8;
  --color-primary-dark: #0a192f;
  --color-primary-light: #eff6ff;
  --color-primary-subtle: #dbeafe;

  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-accent-subtle: #ffedd5;

  --color-success: #15803d;
  --color-success-bg: #dcfce7;
  --color-warning: #b45309;
  --color-warning-bg: #fef3c7;
  --color-danger: #b91c1c;
  --color-danger-bg: #fee2e2;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;

  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #64748b;
  --color-text-white: #ffffff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --container-max: 1140px;
  --header-height: 72px;
  --transition: all 0.2s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

/* Foco Visível para Teclado (WCAG) */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip link de acessibilidade */
.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--color-primary-dark);
  color: var(--color-text-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* Containers e Estrutura */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.main-content {
  flex: 1 0 auto;
}

/* Barra de Topo MVP Informativa */
.mvp-banner {
  background-color: var(--color-primary-dark);
  color: #e2e8f0;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mvp-banner strong {
  color: var(--color-accent);
}

/* Cabeçalho */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  align-items: center;
}

.brand-text span {
  color: var(--color-accent);
}

/* Menu de Navegação */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Botão Mobile */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-main);
  font-size: 1.25rem;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-white);
  box-shadow: var(--shadow-sm);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-white);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text-white);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border-dark);
  color: var(--color-text-main);
}

.btn-outline:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-primary);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #075e54;
  font-weight: 700;
}

.btn-whatsapp:hover {
  background-color: #20ba59;
  color: #054840;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 1.8rem;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, #eff6ff 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary-dark);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

/* Sections */
.section {
  padding: 4rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Grid & Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--color-primary-subtle);
  box-shadow: var(--shadow-md);
}

.step-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.15rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Dual Audience Section */
.audience-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.audience-card.highlight {
  border-top: 4px solid var(--color-primary);
}

.audience-card.highlight-accent {
  border-top: 4px solid var(--color-accent);
}

.audience-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.badge-blue { color: var(--color-primary); }
.badge-orange { color: var(--color-accent); }

.feature-list {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.feature-icon {
  color: var(--color-success);
  flex-shrink: 0;
  font-weight: bold;
}

/* Caixas de Aviso Legal & MVP */
.alert-box {
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.alert-info {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  color: #1e3a8a;
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-left: 4px solid var(--color-warning);
  color: #78350f;
}

.alert-success {
  background-color: var(--color-success-bg);
  border-left: 4px solid var(--color-success);
  color: #064e3b;
}

.alert-danger {
  background-color: var(--color-danger-bg);
  border-left: 4px solid var(--color-danger);
  color: #7f1d1d;
}

/* Formulários */
.form-card {
  max-width: 620px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text-main);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.35rem;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  cursor: pointer;
  margin-top: 1rem;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 0.2rem;
  width: 17px;
  height: 17px;
  accent-color: var(--color-primary);
}

/* Honeypot Antispam oculto */
.hp-field {
  display: none !important;
  visibility: hidden !important;
}

/* Páginas de Conteúdo Jurídico (LGPD, Termos, etc.) */
.legal-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-sm);
}

.legal-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.legal-meta {
  font-size: 0.88rem;
  color: var(--color-text-light);
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.legal-content h2 {
  font-size: 1.45rem;
  color: var(--color-primary-dark);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-surface-alt);
  padding-bottom: 0.35rem;
}

.legal-content h3 {
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-top: 1.35rem;
  margin-bottom: 0.5rem;
}

.legal-content p, .legal-content ul, .legal-content ol {
  font-size: 0.98rem;
  color: #334155;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.legal-content ul, .legal-content ol {
  padding-left: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.4rem;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.legal-table th, .legal-table td {
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  text-align: left;
}

.legal-table th {
  background-color: var(--color-surface-alt);
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* Status / Feedback */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

/* Rodapé */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  padding: 3.5rem 0 2rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: var(--color-text-white);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: #94a3b8;
}

.footer-legal-notice {
  font-size: 0.8rem;
  color: #94a3b8;
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* Responsividade */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.1rem;
  }

  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .legal-wrapper {
    padding: 1.75rem 1.25rem;
  }

  .form-card {
    padding: 1.5rem 1.25rem;
  }
}