/* Apple Design System Inspired Styles with Liquid Glass Effects */

:root {
  /* Color System */
  --primary-color: #007AFF;
  --secondary-color: #5856D6;
  --success-color: #34C759;
  --warning-color: #FF9500;
  --error-color: #FF3B30;
  
  /* Neutral Colors */
  --text-primary: #000000;
  --text-secondary: #3C3C43;
  --text-tertiary: #3C3C4399;
  --text-quaternary: #3C3C434D;
  
  /* Background Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F2F2F7;
  --bg-tertiary: #FFFFFF;
  --bg-quaternary: #F2F2F7;
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  --glass-backdrop: blur(8px);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Typography */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-size-4xl: 36px;
  --font-size-5xl: 48px;
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.2s ease-out;
  --transition-slow: 0.3s ease-out;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

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

.brand-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

/* Hero Section */
.hero-section {
  padding: calc(80px + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-3xl);
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-visual {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
}

.btn-primary {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: 0 4px 15px 0 rgba(0, 122, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(0, 122, 255, 0.6);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.9);
}

/* Glass Cards */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
}

/* Floating Elements Animation */
.floating-element {
  animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(2) {
  animation-delay: -2s;
}

.floating-element:nth-child(3) {
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Card Components */
.card-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.glass-card h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.glass-card p {
  color: var(--text-secondary);
  text-align: center;
  line-height: var(--line-height-relaxed);
}

/* Sections */
.about-section,
.products-section,
.team-section,
.contact-section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.about-card .card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.about-card .card-icon {
  font-size: var(--font-size-2xl);
  margin: 0;
}

.about-card h3 {
  text-align: left;
  margin: 0;
  font-size: var(--font-size-xl);
}

.about-card p {
  text-align: left;
  line-height: var(--line-height-relaxed);
}

.company-info {
  max-width: 800px;
  margin: 0 auto;
}

.company-info h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-2xl);
}

.info-grid {
  display: grid;
  gap: var(--spacing-md);
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.info-label {
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
}

.info-value {
  text-align: right;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.product-card {
  padding: var(--spacing-2xl);
}

.product-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.product-icon {
  font-size: var(--font-size-3xl);
}

.product-card h3 {
  text-align: left;
  margin: 0;
  font-size: var(--font-size-2xl);
}

.product-description {
  text-align: left;
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.product-features h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.product-features ul {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.product-features li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-lg);
  color: var(--text-secondary);
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: var(--font-weight-bold);
}

.product-compatibility {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.compatibility-badge {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}
.product-actions {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: center;
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.team-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.team-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  border-radius: 50%;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-placeholder {
  color: white;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.team-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.team-role {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.team-description {
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.team-contact {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.team-contact:hover {
  color: var(--secondary-color);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h3,
.commitment-card h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-2xl);
}

.contact-details {
  display: grid;
  gap: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.contact-icon {
  font-size: var(--font-size-xl);
  margin-top: var(--spacing-xs);
}

.contact-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.contact-item p {
  color: var(--text-secondary);
  text-align: left;
  line-height: var(--line-height-normal);
}

.commitment-list {
  display: grid;
  gap: var(--spacing-md);
}

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

.commitment-icon {
  color: var(--success-color);
  font-size: var(--font-size-lg);
}

.commitment-item p {
  text-align: left;
  margin: 0;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-top: 1px solid var(--glass-border);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-info p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

/* Copyright and ICP filing styles */
.copyright-line {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.company-info {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.rights-info {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.icp-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  padding: 2px 4px;
  border-radius: 3px;
  white-space: nowrap;
}

.icp-link:hover {
  color: var(--primary-color);
  background-color: rgba(78, 205, 196, 0.1);
}

.gov-icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .hero-section {
    padding-top: calc(120px + var(--spacing-2xl));
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 200px;
    text-align: center;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .copyright-line {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
  }
  
  .company-info {
    margin-bottom: var(--spacing-xs);
  }
  
  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .info-value {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .glass-card {
    padding: var(--spacing-lg);
  }
  
  .team-card,
  .product-card {
    padding: var(--spacing-lg);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-element {
    animation: none;
  }
}

/* Focus styles for keyboard navigation */
.nav-link:focus,
.btn-primary:focus,
.btn-secondary:focus,
.team-contact:focus,
.footer-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(0, 0, 0, 0.2);
    --text-secondary: #000000;
    --text-tertiary: #000000;
  }
}