/* Zero Health Color Palette - Enhanced for better contrast */
:root {
  /* Primary Brand Colors from original */
  --color-teal-zero: #00B6BD;
  --color-deep-breach: #0A2C3D;
  --color-foggy-records: #F1FBFC;
  --color-obscure-note: #4A5568;
  --color-insecure-mint: #22D3A9;
  --color-breach-red: #E53E3E;
  --color-yellow-flag: #D69E2E;
  
  /* Enhanced colors for better contrast */
  --color-text-primary: #1A202C;
  --color-text-secondary: #4A5568;
  --color-text-light: #718096;
  --color-background-light: #FFFFFF;
  --color-background-gray: #F7FAFC;
  --color-border-light: #E2E8F0;
  
  /* Transparency utilities */
  --color-teal-zero-10: rgba(0, 182, 189, 0.1);
  --color-teal-zero-20: rgba(0, 182, 189, 0.2);
  --color-insecure-mint-10: rgba(34, 211, 169, 0.1);
  --color-breach-red-10: rgba(229, 62, 62, 0.1);
  --color-deep-breach-20: rgba(10, 44, 61, 0.2);
  
  /* Enhanced gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-teal-zero) 0%, var(--color-insecure-mint) 100%);
  --gradient-danger: linear-gradient(135deg, var(--color-breach-red) 0%, var(--color-yellow-flag) 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-hero-modern: linear-gradient(135deg, var(--color-deep-breach) 0%, var(--color-teal-zero) 100%);
  
  /* Enhanced shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 8px 25px rgba(0, 182, 189, 0.15);
  --shadow-elevated: 0 20px 40px rgba(0, 182, 189, 0.2);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background-light);
}

/* Landing page container */
.landing-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  font-family: 'Arial', sans-serif;
}

/* Navigation - Enhanced contrast */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-background-light);
}

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

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

.logo-image {
  height: 60px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s ease;
}

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

/* Enhanced button styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: var(--color-background-light);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border-light);
  box-shadow: none;
}

.btn-ghost:hover {
  color: var(--color-teal-zero);
  border-color: var(--color-teal-zero);
  background: var(--color-teal-zero-10);
}

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

.btn-primary:hover {
  background: var(--color-insecure-mint);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-hero {
  padding: 1.125rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 12px;
  min-width: 200px;
  justify-content: center;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* Modern Hero Section */
.hero {
  background: var(--gradient-hero-modern);
  border-radius: 20px;
  margin-bottom: 4rem;
  padding: 6rem 2rem;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 20"><defs><pattern id="dots" patternUnits="userSpaceOnUse" width="20" height="20"><circle cx="10" cy="10" r="1" fill="%23ffffff15"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>') repeat;
  opacity: 0.3;
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.gradient-text {
  background: linear-gradient(45deg, #ffffff, #00f5ff, #ffffff);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.375rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0;
  font-weight: 400;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 600px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  padding: 2rem 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: white;
}

.stat-label {
  font-size: 0.95rem;
  opacity: 0.9;
  font-weight: 500;
}

/* Section styling - Enhanced */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Features section - Enhanced contrast */
.features {
  padding: 5rem 0;
  background: var(--color-background-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--color-background-light);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-teal-zero-20);
}

.feature-header {
  margin-bottom: 1.5rem;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-icon.danger {
  color: var(--color-breach-red);
}

.feature-icon.warning {
  color: var(--color-yellow-flag);
}

.feature-icon.info {
  color: var(--color-teal-zero);
}

.feature-card h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.feature-card p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 1rem;
}

/* Security assurance section - Enhanced */
.security-assurance {
  padding: 5rem 0;
  background: var(--color-background-gray);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.certification-badge {
  background: var(--color-background-light);
  padding: 2.5rem;
  border-radius: 16px;
  text-align: center;
  border: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

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

.cert-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.certification-badge h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.certification-badge p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Testimonials section - Enhanced */
.testimonials {
  padding: 5rem 0;
  background: var(--color-background-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--color-background-light);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.testimonial-content {
  margin-bottom: 2rem;
}

.quote-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-teal-zero);
}

.testimonial-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
}

.author-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

.author-role {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Setup guide section - Enhanced */
.setup-guide {
  padding: 5rem 0;
  background: var(--color-background-gray);
}

.setup-steps {
  margin-bottom: 3rem;
}

.setup-step {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
  background: var(--color-background-light);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.step-number {
  background: var(--gradient-primary);
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.375rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.step-content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.code-block {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-deep-breach);
  padding: 1.25rem;
  border-radius: 12px;
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.code-block code {
  color: #e2e8f0;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  flex: 1;
  font-size: 0.95rem;
}

.copy-btn {
  background: var(--color-teal-zero);
  color: white;
  border: none;
  padding: 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.copy-btn:hover {
  background: var(--color-insecure-mint);
  transform: scale(1.05);
}

.step-content p {
  color: var(--color-text-secondary);
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.setup-cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Disclaimer section - Enhanced contrast */
.disclaimer {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--gradient-danger);
  color: white;
  border-radius: 20px;
  margin-bottom: 4rem;
}

.disclaimer-content h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.disclaimer-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.disclaimer-badges {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Footer - Enhanced */
.footer {
  background: var(--color-deep-breach);
  color: white;
  padding: 4rem 0;
  text-align: center;
  border-radius: 20px;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #cbd5e0;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.footer-content p {
  color: #a0aec0;
  font-size: 0.95rem;
}

/* Responsive design - Enhanced */
@media (max-width: 768px) {
  .landing-page {
    padding: 0.5rem;
  }

  .navbar {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    padding: 1rem 0;
  }

  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

  .hero {
    padding: 4rem 1.5rem;
    margin-bottom: 3rem;
    border-radius: 16px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

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

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .features-grid,
  .certifications-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .setup-step {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .section-container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.875rem;
  }

  .feature-card,
  .certification-badge,
  .testimonial-card {
    padding: 1.5rem;
  }

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

  .btn-hero {
    min-width: auto;
    width: 100%;
    max-width: 280px;
  }
}

/* Security Challenges Section */
.challenges {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--color-teal-zero-10) 0%, var(--color-background-gray) 100%);
}

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.challenge-category {
  background: var(--color-background-light);
  border: 2px solid var(--color-border-light);
  border-radius: 16px;
  padding: 2.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.challenge-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.challenge-category:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-teal-zero);
}

.challenge-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.difficulty-badge {
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid;
  white-space: nowrap;
}

.difficulty-badge.beginner {
  background: #e8f5e8;
  color: #2e7d32;
  border-color: #4caf50;
}

.difficulty-badge.intermediate {
  background: #fff8e1;
  color: #f57c00;
  border-color: #ff9800;
}

.difficulty-badge.advanced {
  background: #ffebee;
  color: #c62828;
  border-color: #f44336;
}

.challenge-category h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.challenge-category > p {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.challenge-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.challenge-item {
  padding: 0.75rem 1rem;
  background: var(--color-teal-zero-10);
  border: 1px solid var(--color-teal-zero-20);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
  font-size: 0.95rem;
}

.challenge-item::before {
  content: '🎯';
  margin-right: 0.5rem;
}

.challenge-item:hover {
  background: var(--color-teal-zero-20);
  border-color: var(--color-teal-zero);
  transform: translateX(4px);
}

.challenges-cta {
  text-align: center;
}