/* ==========================================
   TitlePawn.org - Production-Ready Stylesheet
   High-Performance, Mobile-First Design
   ========================================== */

/* ==========================================
   CSS VARIABLES - Design System
   ========================================== */
:root {
  /* Color Palette */
  --color-primary: #0056b3;
  --color-primary-dark: #003d82;
  --color-secondary: #28a745;
  --color-secondary-dark: #1e7e34;
  --color-text: #2c3e50;
  --color-text-light: #6c757d;
  --color-background: #ffffff;
  --color-background-alt: #f8f9fa;
  --color-border: #dee2e6;
  --color-warning: #ffc107;
  --color-danger: #dc3545;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Layout */
  --container-max: 1200px;
  --container-md: 960px;
  --container-sm: 720px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
}

/* ==========================================
   CSS RESET & BASE STYLES
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

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

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

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

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

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ==========================================
   TYPOGRAPHY UTILITIES
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-heading);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-sm);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-light); }
.text-small { font-size: var(--font-size-sm); }
.text-bold { font-weight: 700; }

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: var(--container-sm);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-alt {
  background-color: var(--color-background-alt);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

@media (min-width: 768px) {
  .grid-md-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-md-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.align-center {
  align-items: center;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Spacing Utilities */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
  background-color: var(--color-background);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

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

.navbar-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.navbar-link {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.navbar-link:hover {
  color: var(--color-primary);
}

.navbar-cta {
  background-color: var(--color-secondary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.navbar-cta:hover {
  background-color: var(--color-secondary-dark);
  color: white;
}

/* Mobile Menu Toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base);
}

@media (max-width: 768px) {
  .navbar-toggle {
    display: flex;
  }

  .navbar-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
    gap: var(--spacing-sm);
  }

  .navbar-menu.active {
    transform: translateY(0);
  }

  .navbar-link {
    width: 100%;
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
  }

  .navbar-cta {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm);
  }
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
  line-height: 1.5;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-block {
  display: block;
  width: 100%;
}

/* Sticky CTA Button (Mobile) */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background-color: var(--color-secondary);
  color: white;
  text-align: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: none;
  transition: transform var(--transition-base);
}

@media (max-width: 768px) {
  .sticky-cta {
    display: block;
  }
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
  color: white;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ==========================================
   CARDS & COMPONENTS
   ========================================== */
.card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.card-text {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

/* ==========================================
   FORMS
   ========================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  background-color: white;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.form-range {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: var(--color-border);
  outline: none;
  -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.form-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
  transition: transform var(--transition-fast);
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.2);
}

.form-help {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* Range Slider Display */
.range-value {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  margin-left: var(--spacing-sm);
}

/* ==========================================
   CALCULATOR COMPONENTS
   ========================================== */
.calculator-container {
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.calculator-results {
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.result-item:last-child {
  border-bottom: none;
}

.result-label {
  font-weight: 600;
  color: var(--color-text);
}

.result-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.result-value.highlight {
  color: var(--color-secondary);
  font-size: var(--font-size-2xl);
}

/* Payment Schedule Table */
.payment-schedule {
  margin-top: var(--spacing-lg);
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.schedule-table th {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
}

.schedule-table td {
  padding: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.schedule-table tr:last-child td {
  border-bottom: none;
}

.schedule-table tr:nth-child(even) {
  background-color: var(--color-background-alt);
}

/* Cost Breakdown Pie Chart (CSS Conic Gradient) */
.cost-breakdown {
  margin-top: var(--spacing-lg);
}

.pie-chart {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  margin: var(--spacing-md) auto;
  box-shadow: var(--shadow-md);
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.legend-color {
  width: 20px;
  height: 20px;
  border-radius: var(--border-radius-sm);
}

.legend-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* ==========================================
   STEPS / PROCESS SECTION
   ========================================== */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.step-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.step-description {
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: white;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md);
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  background-color: white;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--color-background-alt);
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-question.active::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 var(--spacing-md);
}

.faq-answer.active {
  max-height: 500px;
  padding: var(--spacing-md);
}

.faq-answer p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-disclaimer {
  background-color: rgba(0, 0, 0, 0.2);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* ==========================================
   ALERT/BADGE COMPONENTS
   ========================================== */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-info {
  background-color: #d1ecf1;
  border-color: #0c5460;
  color: #0c5460;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: #856404;
  color: #856404;
}

.alert-success {
  background-color: #d4edda;
  border-color: #155724;
  color: #155724;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-primary);
  color: white;
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
  .navbar,
  .footer,
  .sticky-cta,
  .btn,
  .no-print {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .container {
    max-width: 100%;
  }

  .calculator-container {
    box-shadow: none;
  }
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   RESPONSIVE BREAKPOINTS
   ========================================== */
@media (max-width: 480px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.5rem;
  }

  .calculator-container {
    padding: var(--spacing-md);
  }

  .section {
    padding: var(--spacing-xl) 0;
  }
}