/* TraceIQ Corporate Design System */
:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
  
  /* Palette directly inspired by TraceIQ Brand & CodeChecker Screenshot */
  --color-bg: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F8FAFC;
  --color-border: #E2E8F0;
  --color-border-subtle: #F1F5F9;
  --color-border-active: #93C5FD;
  
  /* Primary Blues */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #EFF6FF;
  --color-primary-soft: #DBEAFE;
  --color-primary-dark: #1E40AF;
  
  /* Status Emerald (Matches APPLIED badge from screenshot) */
  --color-success: #10B981;
  --color-success-bg: #ECFDF5;
  --color-success-border: #A7F3D0;
  --color-success-text: #065F46;
  
  /* Warning & Danger */
  --color-warning: #F59E0B;
  --color-warning-bg: #FFFBEB;
  --color-danger: #EF4444;
  --color-danger-bg: #FEF2F2;
  
  /* Typography */
  --color-text: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #64748B;
  --color-text-inverse: #FFFFFF;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px 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, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  --shadow-blue-glow: 0 10px 25px -5px rgba(37, 99, 235, 0.25);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1240px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

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

/* Top Notification / Regulatory Bar */
.top-notice-bar {
  background: linear-gradient(90deg, #1E293B 0%, #0F172A 100%);
  color: #E2E8F0;
  font-size: 0.8125rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-notice-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background-color: rgba(37, 99, 235, 0.2);
  color: #93C5FD;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid rgba(147, 197, 253, 0.3);
}

.top-contact-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: #94A3B8;
}

.top-contact-links a {
  color: #CBD5E1;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.top-contact-links a:hover {
  color: #FFFFFF;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-xs);
  transition: all 0.2s ease;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-item-link {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.2s ease;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.375rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  line-height: 1.25;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue-glow);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* Badges (Styled directly like APPLIED badge from screenshot) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
}

.badge-applied,
.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
  border: 1px solid var(--color-success-border);
}

.badge-blue {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-soft);
}

.badge-dark {
  background-color: #0F172A;
  color: #F8FAFC;
}

/* Sections */
.section {
  padding: 5rem 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-category {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Hero Section */
.hero {
  padding: 4rem 0 5rem 0;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.07) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
              var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  margin-bottom: 1.5rem;
}

.hero-badge-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: #0F172A;
}

.hero-title span.accent-blue {
  color: var(--color-primary);
  background: linear-gradient(135deg, #1D4ED8 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.metric-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-wrap: anywhere;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.35;
}

/* Hero Preview / Live Code Table (Inspired by Screenshot 1) */
.hero-preview-window {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.window-header {
  background-color: #F8FAFC;
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.window-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #CBD5E1;
}

.window-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.window-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-success-text);
}

.window-body {
  padding: 1.25rem;
}

/* CodeChecker-style mini data table */
.mini-code-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.mini-code-table th {
  background-color: #F8FAFC;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.mini-code-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text);
  font-family: monospace, monospace;
}

.mini-code-table tr:hover {
  background-color: #F8FAFC;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--color-border-active);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--color-primary-soft);
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.card-description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-feature-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.card-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.6rem;
}

.card-feature-check {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1;
  margin-top: 0.2rem;
}

/* Tabs for Solutions */
.solutions-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  background-color: #FFFFFF;
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-xs);
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

/* Interactive Wizard / Questionnaire */
.wizard-container {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 3rem;
  max-width: 900px;
  margin: 0 auto;
}

.wizard-steps-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: relative;
}

.wizard-steps-nav::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 30px;
  right: 30px;
  height: 2px;
  background-color: var(--color-border);
  z-index: 1;
}

.step-indicator {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  padding: 0 0.5rem;
}

.step-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
}

.step-indicator.active .step-circle {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.step-indicator.completed .step-circle {
  border-color: var(--color-success);
  background-color: var(--color-success);
  color: #FFFFFF;
}

.step-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.step-indicator.active .step-title {
  color: var(--color-primary);
}

/* Form Controls */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  color: var(--color-text);
  background-color: #FFFFFF;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.checkbox-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.checkbox-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background-color: #FFFFFF;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.checkbox-card:hover {
  border-color: var(--color-border-active);
  background-color: var(--color-bg-alt);
}

.checkbox-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.checkbox-card-content h5 {
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.checkbox-card-content p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* Success Result State */
.wizard-success-card {
  text-align: center;
  padding: 2.5rem 1rem;
}

.success-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem auto;
  border: 1px solid var(--color-success-border);
}

.lead-id-badge {
  display: inline-block;
  background-color: #0F172A;
  color: #F8FAFC;
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1rem 0;
  letter-spacing: 0.05em;
}

/* Footer */
.footer {
  background-color: #0F172A;
  color: #94A3B8;
  padding: 5rem 0 2rem 0;
  margin-top: auto;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 1rem 0 1.5rem 0;
  max-width: 320px;
}

.footer-title {
  color: #F8FAFC;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .nav-links {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .mobile-nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
}

@media (max-width: 640px) {
  .hero-metrics-row {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

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

  .wizard-container {
    padding: 1.5rem;
  }

  .hero-title {
    font-size: 2rem;
  }
}