/* ==========================================================================
   CSS Variables & Core Tokens (Solid Colors Only)
   ========================================================================== */
:root {
  --color-primary: #002D62;      /* APVS Navy Blue */
  --color-primary-light: #003B80;/* Lighter Navy for hovers */
  --color-secondary: #F2A900;    /* APVS Golden Yellow */
  --color-secondary-dark: #D49400;/* Darker Yellow for active states */
  --color-text: #1E293B;         /* Slate-800 for high readability */
  --color-text-muted: #64748B;   /* Slate-500 */
  --color-bg: #F8FAFC;           /* Slate-50 main body background */
  --color-card-bg: #FFFFFF;      /* Solid White */
  --color-border: #E2E8F0;       /* Slate-200 */
  
  /* Alert Box Colors (Solid borders, soft solid fills) */
  --color-danger-border: #EF4444;/* Solid Red */
  --color-danger-bg: #FEF2F2;    /* Soft Red */
  --color-danger-text: #991B1B;
  
  --color-warning-border: #F59E0B;/* Solid Amber */
  --color-warning-bg: #FEF3C7;    /* Soft Amber */
  --color-warning-text: #92400E;
  
  --color-info-border: #3B82F6;   /* Solid Blue */
  --color-info-bg: #EFF6FF;       /* Soft Blue */
  --color-info-text: #1E40AF;

  --color-whatsapp: #25D366;     /* WhatsApp Green */
  --color-whatsapp-dark: #1EBE57;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Grid & Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  
  /* System */
  --transition-speed: 0.2s;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Headings */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-muted);
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ==========================================================================
   Header Component
   ========================================================================== */
.main-header {
  background-color: var(--color-primary);
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.logo-wrapper {
  display: flex;
  align-items: center;
}

.apvs-logo {
  display: block;
}

.header-contacts {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

@media (max-width: 580px) {
  .header-container {
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
  }
  .header-contacts {
    width: 100%;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
  }
  .contact-link {
    font-size: 0.85rem;
    padding: 6px 10px;
  }
}


.contact-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-speed);
}

.phone-link:hover {
  background-color: var(--color-primary-light);
}

.whatsapp-link-btn {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
}

.whatsapp-link-btn:hover {
  background-color: var(--color-whatsapp-dark);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 45, 98, 0.85); /* Solid dark navy overlay */
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 0 var(--spacing-md);
}

.hero-content h1 {
  color: #FFFFFF;
  font-size: 2.75rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 800;
}

.hero-subtitle {
  color: var(--color-secondary);
  font-size: 1.2rem;
  font-weight: 500;
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

/* Section Header Typography */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xs);
  font-weight: 800;
}

.section-subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg) auto;
}

/* ==========================================================================
   Tabs Selector (Cards Grid)
   ========================================================================== */
.tab-selector-section {
  margin-bottom: var(--spacing-xl);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.select-card {
  background-color: var(--color-card-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: left;
  transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.select-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.04);
}

.select-card.active {
  border-color: var(--color-secondary);
  outline: none;
  background-color: #FFFFFF;
}

.select-card.active::before {
  content: "";
  display: block;
  position: absolute;
}

.select-card.active h3 {
  color: var(--color-primary);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.select-card h3 {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.select-card p {
  font-size: 0.9rem;
}

/* ==========================================================================
   Panels Container & Banners
   ========================================================================== */
.panels-container {
  margin-bottom: var(--spacing-xl);
}

.content-panel {
  background-color: var(--color-card-bg);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
  display: none; /* Controlled by JS */
}

/* Style for panels when showing using until-found fallback or normal show */
.content-panel.active-panel {
  display: block;
  animation: fadeIn var(--transition-speed) ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.panel-banner {
  height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  color: #FFFFFF;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 45, 98, 0.85); /* Solid blue tint */
  z-index: 1;
}

.panel-banner h2 {
  color: #FFFFFF;
  font-size: 2rem;
  font-weight: 800;
  position: relative;
  z-index: 2;
}

.back-btn {
  position: absolute;
  top: 20px;
  left: 20px;
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 14px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.back-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 480px) {
  .panel-banner {
    height: 200px;
    padding-top: 60px;
  }
}

.panel-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* ==========================================================================
   Step Cards & Action Buttons
   ========================================================================== */
.step-card {
  display: flex;
  gap: var(--spacing-md);
  background-color: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

@media (max-width: 640px) {
  .step-card {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

.step-number {
  background-color: var(--color-primary);
  color: #FFFFFF;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step-details {
  flex-grow: 1;
}

.step-details h3 {
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.step-details p {
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem var(--spacing-md);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-speed), transform var(--transition-speed);
  border: none;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-primary:hover {
  background-color: var(--color-secondary-dark);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
}

/* ==========================================================================
   Alert & Callout Boxes (Solid Fills & Borders)
   ========================================================================== */
.alert-box {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 6px solid var(--color-border);
  font-size: 0.95rem;
  scroll-margin-top: 80px; /* Offset for sticky header */
}

.alert-icon {
  font-size: 1.5rem;
  line-height: 1.2;
}

.alert-text {
  color: var(--color-text);
}

.alert-warning {
  border-left-color: var(--color-warning-border);
  background-color: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.alert-warning .alert-text {
  color: var(--color-warning-text);
}

.alert-danger {
  border-left-color: var(--color-danger-border);
  background-color: var(--color-danger-bg);
}

.alert-danger .alert-text {
  color: var(--color-danger-text);
}

.alert-info {
  border-left-color: var(--color-info-border);
  background-color: var(--color-info-bg);
}

.alert-info .alert-text {
  color: var(--color-info-text);
}

/* ==========================================================================
   Document Checklist Component
   ========================================================================== */
.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  padding: var(--spacing-xs) 0;
  user-select: none;
}

/* Hide native checkbox input */
.checklist-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  height: 0;
  width: 0;
}

/* Custom checkbox graphic */
.custom-checkbox {
  width: 22px;
  height: 22px;
  background-color: #FFFFFF;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

/* Hover state */
.checklist-item:hover .custom-checkbox {
  border-color: var(--color-primary-light);
}

/* Checked states */
.checklist-item input[type="checkbox"]:checked ~ .custom-checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checklist-item input[type="checkbox"]:checked ~ .custom-checkbox::after {
  content: "✓";
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: bold;
}

.item-text {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.4;
  transition: color var(--transition-speed);
}

.checklist-item input[type="checkbox"]:checked ~ .item-text {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

/* Badge style inside items */
.badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  margin-left: var(--spacing-xs);
  vertical-align: middle;
}

.badge-yellow {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

/* ==========================================================================
   Vehicle Photo Guide & Thumbnail
   ========================================================================== */
.list-bullet {
  list-style-type: none;
  margin-bottom: var(--spacing-md);
}

.list-bullet li {
  position: relative;
  padding-left: 20px;
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.list-bullet li::before {
  content: "➡";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
}

.photo-guide-wrapper {
  margin-top: var(--spacing-md);
  border-top: 1px dashed var(--color-border);
  padding-top: var(--spacing-md);
}

.guide-note {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.image-zoom-btn {
  display: block;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  padding: 0;
  background: none;
  transition: border-color var(--transition-speed);
  max-width: 400px;
  width: 100%;
}

.image-zoom-btn:hover {
  border-color: var(--color-secondary);
}

.guide-thumbnail {
  display: block;
  width: 100%;
  height: auto;
  transition: transform var(--transition-speed);
}

.image-zoom-btn:hover .guide-thumbnail {
  transform: scale(1.02);
}

/* ==========================================================================
   Support & FAQ Section
   ========================================================================== */
.support-section {
  margin-top: var(--spacing-xl);
}

.support-card {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--border-radius);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
}

.support-card h2 {
  color: var(--color-secondary);
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 800;
}

.support-card p {
  color: #E2E8F0;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg) auto;
}

.support-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ==========================================================================
   Lightbox Dialog
   ========================================================================== */
.lightbox-dialog {
  border: none;
  background-color: transparent;
  outline: none;
  margin: auto;
}

.lightbox-dialog::backdrop {
  background-color: rgba(0, 15, 35, 0.95); /* Solid semi-transparent overlay */
}

.lightbox-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--border-radius-sm);
  border: 4px solid var(--color-primary);
}

.lightbox-close-btn {
  position: absolute;
  top: -45px;
  right: 0;
  background-color: var(--color-secondary);
  color: var(--color-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed);
}

.lightbox-close-btn:hover {
  background-color: var(--color-secondary-dark);
}

/* ==========================================================================
   Floating WhatsApp Widget
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  z-index: 99;
  font-size: 1.75rem;
  transition: transform var(--transition-speed), background-color var(--transition-speed);
}

.floating-whatsapp:hover {
  transform: scale(1.08);
  background-color: var(--color-whatsapp-dark);
}

.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed);
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
}

/* ==========================================================================
   Footer Component
   ========================================================================== */
.main-footer {
  background-color: var(--color-primary);
  color: #FFFFFF;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-xl);
  border-top: 3px solid var(--color-secondary);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-container p {
  color: #94A3B8;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.footer-container .footer-note {
  color: #64748B;
  font-size: 0.8rem;
}

/* ==========================================================================
   Submenu & Pills component
   ========================================================================== */
.submenu-container {
  margin-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-md);
}

.submenu-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.submenu-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.pill-btn {
  background-color: #FFFFFF;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background-color var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
}

.pill-btn:hover {
  border-color: var(--color-secondary);
  background-color: var(--color-bg);
}

.pill-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.subpanel-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  border-left: 4px solid var(--color-secondary);
  padding-left: var(--spacing-xs);
}

.sub-panel {
  display: none;
  animation: fadeIn var(--transition-speed) ease-in-out;
}

.sub-panel.active-subpanel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* ==========================================================================
   Acessibilidade: Redução de movimento do sistema
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .select-card:hover {
    transform: none !important;
  }
  
  .floating-whatsapp:hover {
    transform: none !important;
  }
}