/**
 * SIBOS Conference AI Assurance Platform - Main Styles
 * Brand-compliant dark theme with Lexend typography
 */

/* Import Lexend font family from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;900&display=swap');

/* CSS Custom Properties - Brand Color Palette */
:root {
  /* Primary Brand Colors */
  --color-core-blue: #002959;
  --color-dark-green: #006975;
  --color-mid-blue: #00B5ED;
  --color-core-green: #47A340;
  --color-light-green: #78BF26;

  /* Secondary Colors */
  --color-light-blue: #99DBF7;
  --color-second-blue: #0094D4;
  --color-second-dark-blue: #297DA6;
  --color-second-light-green: #A4C845;
  --color-second-mid-green: #618C1F;
  --color-second-dark-green: #005740;

  /* Dark Theme Surface Colors */
  --color-background: var(--color-core-blue);
  --color-surface: var(--color-dark-green);
  --color-surface-variant: rgba(0, 105, 117, 0.7);
  --color-border: rgba(0, 181, 237, 0.3);

  /* Text Colors */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: rgba(255, 255, 255, 0.8);
  --color-text-tertiary: rgba(255, 255, 255, 0.6);

  /* Interactive Colors */
  --color-accent: var(--color-mid-blue);
  --color-success: var(--color-core-green);
  --color-warning: var(--color-light-green);
  --color-error: #FF6B6B;

  /* Spacing Scale */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */

  /* Typography Scale - Optimized for tablet/conference environments */
  --font-size-xs: 0.875rem;   /* 14px - increased from 12px */
  --font-size-sm: 1rem;       /* 16px - increased from 14px */
  --font-size-base: 1.125rem; /* 18px - increased from 16px */
  --font-size-lg: 1.25rem;    /* 20px - increased from 18px */
  --font-size-xl: 1.5rem;     /* 24px - increased from 20px */
  --font-size-2xl: 1.75rem;   /* 28px - increased from 24px */
  --font-size-3xl: 2.25rem;   /* 36px - increased from 30px */
  --font-size-4xl: 2.75rem;   /* 44px - increased from 36px */

  /* Touch Target Sizes */
  --touch-target-min: 44px;
  --touch-target-primary: 60px;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 300ms ease-out;
  --transition-slow: 500ms ease-out;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;  /* Increased from 16px for better tablet readability */
  line-height: 1.5;
}

body {
  font-family: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
  min-height: 100vh;
  /* Dark theme optimization for OLED displays */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Prevent horizontal scroll */
  overflow-x: hidden;
  width: 100%;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: 500;
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

h6 {
  font-size: var(--font-size-base);
  font-weight: 500;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover,
a:focus {
  color: var(--color-light-blue);
  text-decoration: underline;
}

/* Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  box-sizing: border-box;
  overflow-x: hidden;
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
  box-sizing: border-box;
  overflow-x: hidden;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target-min);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  min-height: var(--touch-target-primary);
  background: var(--color-accent);
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-xl);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-light-blue);
  color: var(--color-core-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

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

.btn-success:hover,
.btn-success:focus {
  background: var(--color-light-green);
  color: var(--color-core-blue);
  filter: brightness(1.1);
}

/* Card System */
.card {
  background: var(--color-surface-variant);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-interactive {
  cursor: pointer;
  border-width: 2px;
}

.card-interactive:hover,
.card-interactive:focus-within {
  border-color: var(--color-accent);
  background: rgba(0, 181, 237, 0.1);
}

.card-selected {
  border-color: var(--color-accent);
  background: rgba(0, 181, 237, 0.15);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(0, 41, 89, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo with Brand Guidelines */
.logo-container {
  /* Exclusion zone = width of icon (approximately 32px) */
  padding-right: 32px;
}

.logo {
  height: 32px; /* Minimum digital size per brand guidelines: 30mm × 8.6mm = 113px × 32px */
  width: 113px;
  display: flex;
  align-items: center;
}

.logo-link {
  display: block;
  transition: opacity var(--transition-fast);
}

.logo-link:hover,
.logo-link:focus {
  opacity: 0.8;
  text-decoration: none;
}

.logo-svg {
  width: 100%;
  height: 100%;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

/* Logo variants for different backgrounds */
@media (prefers-color-scheme: light) {
  .logo-svg {
    color: var(--color-core-blue);
  }
}

/* Responsive logo sizing */
@media (max-width: 768px) {
  .logo {
    height: 28px;
    width: auto;
  }

  .logo-container {
    padding-right: 20px;
  }
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  font-weight: 500;
}

.form-input {
  width: 100%;
  min-height: var(--touch-target-min);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 4px rgba(0, 181, 237, 0.25);
}

.form-input:invalid {
  border-color: var(--color-error);
}

.form-error {
  margin-top: var(--spacing-sm);
  color: var(--color-error);
  font-size: var(--font-size-sm);
}

/* Progress Indicators */
.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-light-green));
  border-radius: var(--radius-sm);
  transition: width var(--transition-normal);
}

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

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* Enhanced Mobile-First Responsive Design */

/* Large tablets and small laptops */
@media (max-width: 1024px) {
  .container {
    max-width: 90%;
    padding: 0 var(--spacing-lg);
  }

  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

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

/* Tablets */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --spacing-2xl: 1.5rem;
    --spacing-3xl: 2rem;
  }

  /* AI Risks page filter buttons for tablets */
  .filter-tab {
    font-size: var(--font-size-base) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
  }
  .filter-tab-count {
    margin-left: 10px;
  }

  /* Prevent horizontal scroll */
  html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }

  * {
    max-width: 100%;
    box-sizing: border-box;
  }

  .container {
    padding: 0 var(--spacing-md);
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  /* Mobile-specific grid spacing */
  .grid {
    gap: var(--spacing-sm);
  }

  .btn {
    width: 100%;
    justify-content: center;
    min-height: var(--touch-target-primary);
    font-size: var(--font-size-base);
  }

  /* Hero section mobile optimization */
  .hero-section {
    padding: var(--spacing-lg) 0 !important;
    text-align: center !important;
  }

  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }

  .hero-actions .btn {
    margin: 0 !important;
  }

  .main-content {
    padding-top: 70px !important;
    min-height: calc(100vh - 70px) !important;
  }

  .navbar {
    position: fixed;
    padding: var(--spacing-sm) 0;
    background: rgba(0, 41, 89, 0.98) !important;
    backdrop-filter: blur(10px);
  }

  .navbar-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .nav-link {
    padding: var(--spacing-md);
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
  }

  /* Form optimizations for tablets */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Prevent zoom on iOS */
    min-height: var(--touch-target-min);
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .form-label {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
  }

  .card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }

  /* Section spacing optimization */
  .g3ma-overview,
  .implementation-journey,
  .industry-applications,
  .getting-started {
    padding: var(--spacing-lg) 0 !important;
  }

  .g3ma-intro,
  .section-header {
    margin-bottom: var(--spacing-lg) !important;
  }

  .g3ma-intro h2,
  .section-header h2 {
    font-size: var(--font-size-xl) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .g3ma-intro p,
  .section-header p {
    font-size: var(--font-size-sm) !important;
    line-height: 1.4 !important;
  }

  /* G3MA pillars mobile optimization */
  .pillar-card {
    padding: var(--spacing-md) !important;
    margin-bottom: var(--spacing-sm);
  }

  .pillar-icon {
    font-size: var(--font-size-2xl) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  /* Timeline mobile optimization */
  .timeline-item {
    flex-direction: column !important;
    align-items: flex-start !important;
    margin-bottom: var(--spacing-lg) !important;
  }

  .step-number {
    margin-right: 0 !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .step-content {
    width: 100% !important;
    padding: var(--spacing-md) !important;
  }

  /* Progress indicators mobile optimization */
  .step-circle {
    width: 50px !important;
    height: 50px !important;
    font-size: var(--font-size-lg);
  }

  /* Application cards mobile */
  .application-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
  }

  .application-icon {
    font-size: var(--font-size-2xl) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  /* CTA grid mobile */
  .cta-grid {
    gap: var(--spacing-md) !important;
  }

  .cta-item {
    padding: var(--spacing-md) !important;
  }
}

/* iPhone and Mobile phones - Enhanced */
@media (max-width: 480px) {
  :root {
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --font-size-xl: 1.125rem;
    --spacing-xl: 1rem;
    --spacing-2xl: 1.25rem;
    --spacing-3xl: 1.5rem;
  }

  /* AI Risks page filter buttons */
  .filter-tab {
    font-size: var(--font-size-xs) !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
  }

  .filter-tab-count {
    display: none;
    margin: 0;
  }

  /* Mobile navbar ultra-clean */
  .navbar {
    padding: var(--spacing-xs) 0 !important;
    min-height: 50px !important;
  }

  .navbar-content {
    gap: var(--spacing-sm) !important;
  }

  .mobile-menu-toggle {
    min-height: 36px !important;
    min-width: 36px !important;
    font-size: var(--font-size-base) !important;
  }

  .logo {
    height: 24px !important;
    width: auto !important;
  }

  /* Mobile menu positioning for small screens */
  .nav-links {
    top: 50px !important;
    max-height: calc(100vh - 50px) !important;
  }

  /* Ultra-strict mobile overflow prevention */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
  }

  * {
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .container {
    padding: 0 var(--spacing-sm) !important;
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    margin: 0 auto !important;
  }

  /* Ensure text doesn't overflow */
  p, h1, h2, h3, h4, h5, h6, span, div {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    max-width: 100% !important;
  }

  .card {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
  }

  /* Hero section mobile-first */
  .hero-section {
    padding: var(--spacing-md) 0 !important;
  }

  .hero-title {
    font-size: var(--font-size-xl) !important;
    line-height: 1.1 !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .hero-subtitle {
    font-size: var(--font-size-sm) !important;
    line-height: 1.3 !important;
    margin-bottom: var(--spacing-md) !important;
  }

  /* Playbook page mobile optimizations */
  .playbook-layout {
    flex-direction: column !important;
    padding: 0 var(--spacing-sm) !important;
    gap: var(--spacing-md) !important;
  }

  .toc-sidebar {
    width: 100% !important;
    position: static !important;
    order: 2 !important;
  }

  .playbook-content {
    order: 1 !important;
  }

  /* Mobile TOC collapsible styling */
  .mobile-collapsible {
    position: relative !important;
  }

  .mobile-collapsible::after {
    content: "▼" !important;
    position: absolute !important;
    right: 0 !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    font-size: var(--font-size-sm) !important;
    transition: transform 0.3s ease !important;
  }

  .toc-container[x-data] h3[x-bind]:hover::after {
    transform: translateY(-50%) rotate(180deg) !important;
  }

  /* Mobile grid optimizations for playbook */
  .key-highlights.grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-md) !important;
  }

  .playbook-stats.grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--spacing-sm) !important;
  }

  .pillars-detail .pillar-content.grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-md) !important;
  }

  .phase-checklist {
    grid-template-columns: 1fr !important;
  }

  .risk-domains-grid.grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-md) !important;
  }

  .actions-grid.grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-md) !important;
  }

  /* Regulatory framework mobile optimization */
  .framework-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    text-align: left !important;
  }

  .framework-flag {
    margin-bottom: var(--spacing-sm) !important;
    margin-right: 0 !important;
  }

  /* Content cards padding reduction for playbook */
  .content-card.card,
  .framework-overview.card,
  .implementation-timeline.card,
  .regulatory-intro.card,
  .framework-item.card {
    padding: var(--spacing-md) !important;
  }

  /* Timeline phases mobile */
  .phase {
    padding: var(--spacing-md) !important;
    margin-bottom: var(--spacing-lg) !important;
  }

  /* Risk domain cards */
  .risk-domain.card {
    padding: var(--spacing-md) !important;
  }

  .domain-header {
    margin-bottom: var(--spacing-md) !important;
  }

  /* Playbook hero section mobile */
  .playbook-page .hero-section {
    padding: var(--spacing-lg) 0 !important;
    text-align: center !important;
  }

  .playbook-page .hero-title {
    font-size: var(--font-size-2xl) !important;
    margin-bottom: var(--spacing-md) !important;
  }

  .playbook-page .hero-subtitle {
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-md) !important;
  }

  .playbook-meta {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--spacing-sm) !important;
    align-items: center !important;
  }

  .badge {
    margin-right: 0 !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  /* Main content mobile override */
  .main-content {
    padding-top: 60px !important;
    min-height: calc(100vh - 60px) !important;
    width: 100% !important;
    overflow-x: hidden !important;
  }

  /* Ensure all sections fit mobile viewport */
  section {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  /* Section spacing ultra-compact */
  .g3ma-overview,
  .implementation-journey,
  .industry-applications,
  .getting-started {
    padding: var(--spacing-md) 0 !important;
  }

  .g3ma-intro,
  .section-header {
    margin-bottom: var(--spacing-md) !important;
  }

  /* G3MA pillars ultra-mobile */
  .g3ma-pillars {
    gap: var(--spacing-xs) !important;
  }

  .pillar-card {
    padding: var(--spacing-sm) !important;
    text-align: center !important;
  }

  .pillar-icon {
    font-size: var(--font-size-xl) !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  .pillar-features ul {
    font-size: var(--font-size-xs) !important;
  }

  /* Timeline ultra-mobile */
  .timeline {
    padding: 0 !important;
  }

  .timeline-item {
    margin-bottom: var(--spacing-lg) !important;
  }

  .step-number {
    width: 40px !important;
    height: 40px !important;
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .step-content {
    padding: var(--spacing-md) !important;
  }

  /* Applications grid mobile */
  .applications-grid {
    gap: var(--spacing-sm) !important;
  }

  .application-card {
    padding: var(--spacing-md) !important;
  }

  .application-icon {
    font-size: var(--font-size-xl) !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  .key-areas h4 {
    font-size: var(--font-size-sm) !important;
  }

  .key-areas ul {
    font-size: var(--font-size-xs) !important;
  }

  /* CTA section mobile */
  .getting-started-content h2 {
    font-size: var(--font-size-xl) !important;
    margin-bottom: var(--spacing-md) !important;
  }

  .getting-started-content p {
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-lg) !important;
  }

  .cta-grid {
    gap: var(--spacing-sm) !important;
    margin-bottom: var(--spacing-lg) !important;
  }

  .cta-item {
    padding: var(--spacing-sm) !important;
  }

  .cta-item h4 {
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-xs) !important;
  }

  .cta-item p {
    font-size: var(--font-size-sm) !important;
  }

  /* Footer mobile optimization */
  .footer {
    padding: var(--spacing-md) 0 !important;
    margin-top: var(--spacing-lg) !important;
  }

  .footer .grid {
    gap: var(--spacing-sm) !important;
  }

  .footer h5,
  .footer h6 {
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .footer p,
  .footer a {
    font-size: var(--font-size-sm) !important;
  }

  .footer ul {
    margin: 0 !important;
    padding: 0 !important;
  }

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

  /* Mobile typography adjustments */
  h1 {
    font-size: var(--font-size-3xl);
    line-height: 1.1;
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  p {
    font-size: var(--font-size-base);
    line-height: 1.5;
  }

  /* Button optimizations for small screens */
  .btn {
    min-height: var(--touch-target-primary);
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
  }

  .btn-secondary {
    margin-bottom: var(--spacing-md);
  }

  /* Form optimizations for mobile */
  .form-group {
    margin-bottom: var(--spacing-xl);
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Critical for iOS - prevents zoom */
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    line-height: 1.4;
  }

  .form-textarea {
    min-height: 120px;
  }

  .form-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
  }

  /* Mobile navigation */
  .navbar {
    padding: var(--spacing-md) 0;
  }

  .logo {
    height: 24px;
    width: auto;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-xs);
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
  }

  /* Progress indicators for mobile */
  .progress-steps {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md) !important;
  }

  .step {
    width: 100%;
    justify-content: flex-start;
  }

  .step-circle {
    width: 40px !important;
    height: 40px !important;
    font-size: var(--font-size-base);
    flex-shrink: 0;
  }

  /* Mobile-specific spacing */
  .mb-lg { margin-bottom: var(--spacing-xl); }
  .mt-lg { margin-top: var(--spacing-xl); }
  .mb-xl { margin-bottom: var(--spacing-2xl); }
  .mt-xl { margin-top: var(--spacing-2xl); }
}

/* iPhone specific breakpoints */
@media (max-width: 414px) {
  /* iPhone 11 Pro Max, XS Max optimizations */
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-section {
    padding: var(--spacing-md) 0 !important;
  }

  .g3ma-intro h2 {
    font-size: var(--font-size-xl) !important;
  }

  .g3ma-intro p {
    font-size: var(--font-size-sm) !important;
  }

  .section-header h2 {
    font-size: var(--font-size-xl) !important;
  }

  .section-header p {
    font-size: var(--font-size-sm) !important;
  }
}

@media (max-width: 375px) {
  /* iPhone X, XS, 11 Pro, 12, 13 optimizations */
  .container {
    padding: 0 var(--spacing-sm);
  }

  .pillar-card h3 {
    font-size: var(--font-size-base) !important;
  }

  .pillar-card p {
    font-size: var(--font-size-xs) !important;
  }

  .application-card h3 {
    font-size: var(--font-size-base) !important;
  }

  .application-card p {
    font-size: var(--font-size-xs) !important;
  }

  .step-content h3 {
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .step-content p {
    font-size: var(--font-size-xs) !important;
    margin-bottom: var(--spacing-sm) !important;
  }

  .badge {
    font-size: 10px !important;
    padding: var(--spacing-xs) !important;
  }
}

/* Small mobile phones */
@media (max-width: 360px) {
  :root {
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.375rem;
    --font-size-2xl: 1.125rem;
    --font-size-xl: 1rem;
    --font-size-lg: 0.875rem;
  }

  .container {
    padding: 0 var(--spacing-xs);
  }

  .card {
    padding: var(--spacing-sm);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .form-input,
  .form-select,
  .form-textarea {
    padding: var(--spacing-sm);
  }

  /* Ultra-compact layout */
  .hero-title {
    font-size: var(--font-size-xl) !important;
  }

  .hero-subtitle {
    font-size: var(--font-size-sm) !important;
  }

  .pillar-icon {
    font-size: var(--font-size-xl) !important;
  }

  .application-icon {
    font-size: var(--font-size-lg) !important;
  }

  .step-number {
    width: 32px !important;
    height: 32px !important;
    font-size: var(--font-size-sm) !important;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.slide-up {
  animation: slideUp var(--transition-normal) ease-out;
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Notification System */
.notification-container {
  position: fixed;
  top: 90px; /* Below navbar */
  right: var(--spacing-lg);
  z-index: 1000;
  pointer-events: none;
  max-width: 400px;
  width: 100%;
}

.notification {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.notification-success {
  border-color: var(--color-success);
  background: rgba(71, 163, 64, 0.1);
}

.notification-error {
  border-color: var(--color-error);
  background: rgba(255, 107, 107, 0.1);
}

.notification-warning {
  border-color: var(--color-warning);
  background: rgba(120, 191, 38, 0.1);
}

.notification-info {
  border-color: var(--color-accent);
  background: rgba(0, 181, 237, 0.1);
}

.notification-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  flex: 1;
}

.notification-icon {
  font-size: var(--font-size-lg);
  font-weight: 600;
  line-height: 1;
  margin-top: 2px;
}

.notification-success .notification-icon {
  color: var(--color-success);
}

.notification-error .notification-icon {
  color: var(--color-error);
}

.notification-warning .notification-icon {
  color: var(--color-warning);
}

.notification-info .notification-icon {
  color: var(--color-accent);
}

.notification-message {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.notification-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-lg);
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.notification-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
}

/* Notification Animations */
.notification-enter {
  transition: all 300ms ease-out;
}

.notification-enter-start {
  opacity: 0;
  transform: translateX(100%);
}

.notification-enter-end {
  opacity: 1;
  transform: translateX(0);
}

.notification-leave {
  transition: all 300ms ease-in;
}

.notification-leave-start {
  opacity: 1;
  transform: translateX(0);
}

.notification-leave-end {
  opacity: 0;
  transform: translateX(100%);
}

/* Touch Optimizations */
@media (max-width: 768px) {
  .notification-container {
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    max-width: none;
  }

  .notification {
    padding: var(--spacing-lg);
  }

  .notification-icon,
  .notification-close {
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
  }
}

/* Interactive Elements Enhancement */
.card-interactive {
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  min-height: var(--touch-target-min);
  transition: all var(--transition-normal);
}

.card-interactive:active {
  transform: scale(0.98);
}

/* Modal Enhancements */
.modal-overlay {
  backdrop-filter: blur(8px);
  animation: fadeIn var(--transition-normal) ease-out;
}

.modal-content {
  animation: slideUp var(--transition-normal) ease-out;
  max-height: 90vh;
  overflow-y: auto;
}

/* Step Progress Indicators */
.step.active .step-circle {
  background: var(--color-accent);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 181, 237, 0.25);
}

.step.completed .step-circle {
  background: var(--color-success);
  color: var(--color-text-primary);
  border-color: var(--color-success);
}

.step .step-circle {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
  transition: all var(--transition-normal);
}

/* Form Enhancements */
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 181, 237, 0.1);
  background: rgba(255, 255, 255, 0.15);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-error::before {
  content: "⚠";
  font-size: var(--font-size-sm);
}

/* Loading States */
.loading-overlay {
  background: rgba(0, 41, 89, 0.95);
  backdrop-filter: blur(4px);
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Focus and Accessibility */
.focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Mobile Navigation Enhancements */
.mobile-menu-toggle {
  display: none !important;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    min-width: 40px;
    background: none !important;
    border: none !important;
    outline: none !important;
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    padding: var(--spacing-xs);
  }

  .mobile-menu-toggle:hover,
  .mobile-menu-toggle:focus {
    background: rgba(255, 255, 255, 0.1) !important;
    transform: scale(1.05);
  }

  .mobile-menu-toggle:active {
    transform: scale(0.95);
  }

  .mobile-menu-toggle.active {
    background: rgba(255, 255, 255, 0.15) !important;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .nav-links.mobile-nav-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  /* Mobile menu backdrop */
  .nav-links.mobile-nav-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
    backdrop-filter: blur(2px);
  }

  .nav-links li {
    width: 100%;
    margin-bottom: var(--spacing-xs);
  }

  .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: transparent;
    transition: all var(--transition-fast);
  }

  .nav-link:hover,
  .nav-link:focus {
    background: rgba(0, 181, 237, 0.1);
    color: var(--color-text-primary);
  }

  .navbar-content {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
  }

  .navbar {
    padding: var(--spacing-sm) 0;
    min-height: 60px;
  }

  .logo-container {
    flex: 1;
  }

  .logo {
    height: 28px;
    width: auto;
  }
}

/* Touch Device Optimizations */
@media (pointer: coarse) {
  .btn,
  .card-interactive,
  .nav-link {
    min-height: var(--touch-target-min);
  }

  .form-input,
  .form-select,
  .form-textarea {
    min-height: var(--touch-target-min);
    font-size: 16px; /* Prevent zoom on iOS */
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .notification-enter,
  .notification-leave {
    transition: none !important;
  }
}

/* Advanced Mobile Optimizations */

/* Mobile-first sticky elements */
.mobile-sticky {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0, 41, 89, 0.95);
  backdrop-filter: blur(10px);
}

/* Swipe gesture indicators */
.swipe-indicator {
  position: relative;
}

.swipe-indicator::after {
  content: '';
  position: absolute;
  top: 50%;
  right: var(--spacing-md);
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid var(--color-text-secondary);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* Enhanced touch feedback */
.touch-feedback {
  position: relative;
  overflow: hidden;
}

.touch-feedback::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.touch-feedback:active::before {
  width: 300px;
  height: 300px;
}

/* Pull-to-refresh indicator */
.pull-refresh {
  position: fixed;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: top 0.3s ease-out;
  z-index: 1000;
}

.pull-refresh.visible {
  top: 20px;
}

/* Bottom safe area for iOS */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* Horizontal scroll containers */
.horizontal-scroll {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.horizontal-scroll::-webkit-scrollbar {
  display: none;
}

.horizontal-scroll > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

/* Mobile-optimized modals */
@media (max-width: 768px) {
  .modal-content {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 90vh;
  }

  .modal-content.open {
    transform: translateY(0);
  }

  .modal-header {
    position: relative;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .modal-header::before {
    content: '';
    position: absolute;
    top: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: var(--color-text-tertiary);
    border-radius: 2px;
  }
}

/* Enhanced form validation for mobile */
.form-field-error {
  position: relative;
  animation: shake 0.3s ease-in-out;
}

.form-field-error .form-input {
  border-color: var(--color-error);
  background: rgba(255, 107, 107, 0.1);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* Mobile loading states */
.mobile-loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-background);
  z-index: 9999;
}

.mobile-loading-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-light-green));
  width: 0%;
  transition: width 0.3s ease-out;
}

/* Floating action button */
.fab {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  border: none;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 100;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(0, 181, 237, 0.4);
}

.fab:active {
  transform: scale(0.95);
}

@media (max-width: 480px) {
  .fab {
    bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom, 0px));
  }
}

/* Mobile-specific utilities */
.mobile-only {
  display: none;
}

.desktop-only {
  display: block;
}

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

  .desktop-only {
    display: none;
  }
}

/* Touch-optimized radio and checkbox */
@media (max-width: 768px) {
  .radio-option,
  .checkbox-option {
    padding: var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    background: var(--color-surface-variant);
    transition: all var(--transition-normal);
  }

  .radio-option:hover,
  .checkbox-option:hover {
    border-color: var(--color-accent);
    background: rgba(0, 181, 237, 0.1);
  }

  .radio-option input[type="radio"]:checked + .radio-label,
  .checkbox-option input[type="checkbox"]:checked + .checkbox-label {
    color: var(--color-accent);
    font-weight: 600;
  }

  .radio-option input[type="radio"]:checked,
  .checkbox-option input[type="checkbox"]:checked {
    transform: scale(1.2);
  }
}

/* Progressive Web App enhancements */
.pwa-prompt {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 2px solid var(--color-border);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform 0.3s ease-out;
  z-index: 1000;
}

.pwa-prompt.visible {
  transform: translateY(0);
}

.pwa-prompt-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.pwa-prompt-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.pwa-prompt-text {
  flex: 1;
}

.pwa-prompt-title {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.pwa-prompt-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pwa-prompt-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.pwa-prompt-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pwa-prompt-btn.primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

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

/* Offline indicator */
.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-error);
  color: white;
  text-align: center;
  padding: var(--spacing-sm);
  font-size: var(--font-size-sm);
  transform: translateY(-100%);
  transition: transform 0.3s ease-out;
  z-index: 10000;
}

.offline-indicator.visible {
  transform: translateY(0);
}

/* Mobile-optimized focus styles */
@media (max-width: 768px) {
  .focus-visible,
  *:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
  }

  .btn:focus-visible {
    outline: 3px solid var(--color-light-blue);
    outline-offset: 4px;
  }
}

/* Dark mode optimizations for mobile */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
  body {
    background: var(--color-background);
  }

  .card {
    background: rgba(0, 105, 117, 0.3);
    border-color: rgba(0, 181, 237, 0.2);
  }

  .form-input,
  .form-select,
  .form-textarea {
    background: rgba(0, 105, 117, 0.2);
    border-color: rgba(0, 181, 237, 0.3);
  }
}