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

:root {
  /* Dark theme colors */
  --bg: #0b0d10;
  --bg-secondary: #12161b;
  --card: #1a1f2e;
  --card-hover: #1f2538;
  --muted: #9aa4b2;
  --text: #e7ecf2;
  --text-secondary: #b8c5d1;
  --brand: #7aa2ff;
  --brand-hover: #8bb3ff;
  --accent: #ff6b6b;
  --success: #51cf66;
  --warning: #ffd43b;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border radius */
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  
  /* 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, 0.1);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-blur: blur(8px);
}

/* Base typography */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--brand);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}

/* Container */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Section spacing */
.section {
  padding: var(--space-3xl) 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--text), var(--brand));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(11, 13, 16, 0.8);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-md);
  max-width: 1120px;
  margin: 0 auto;
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--text);
  outline: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  transition: width 0.3s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(122, 162, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero-title {
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--text);
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.125rem);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  color: var(--success);
  font-weight: bold;
  font-size: 1.2rem;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero-trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.trust-badges {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.badge {
  padding: var(--space-xs) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.info-box {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  max-width: 500px;
}

.info-box strong {
  color: var(--warning);
  display: block;
  margin-bottom: var(--space-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  min-width: 160px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-hover));
  color: white;
  box-shadow: 0 4px 15px rgba(122, 162, 255, 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(122, 162, 255, 0.4);
  outline: none;
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--glass-bg);
  border-color: var(--brand);
  outline: none;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--glass-border);
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--brand);
  border-color: var(--brand);
  color: white;
  outline: none;
}

/* Features Section */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon-large {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  display: block;
}

.feature-card h3 {
  color: var(--text);
  margin-bottom: var(--space-md);
}

/* How it works Section */
.how-it-works {
  background: var(--bg);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

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

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--brand), var(--brand-hover));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  box-shadow: 0 4px 15px rgba(122, 162, 255, 0.3);
}

.step h3 {
  color: var(--text);
  margin-bottom: var(--space-md);
}

/* Pricing Section */
.pricing {
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.pricing-card.featured {
  border-color: var(--brand);
  box-shadow: 0 8px 25px rgba(122, 162, 255, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-header h3 {
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: var(--space-md);
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.currency {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
}

.period {
  font-size: 1rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-note {
  text-align: center;
  margin-top: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Integrations Section */
.integrations {
  background: var(--bg);
}

.integrations-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.integration-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

.integration-item h3 {
  color: var(--text);
  margin-bottom: var(--space-md);
}

/* FAQ Section */
.faq {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-lg);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  transition: background-color 0.3s ease;
}

.faq-question:hover,
.faq-question:focus {
  background: var(--card-hover);
  outline: none;
}

.faq-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact {
  background: var(--bg);
  text-align: center;
}

.contact-content p {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-xl) 0;
}

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

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--text);
  outline: none;
}

.footer-credit p {
  color: var(--text-secondary);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-features {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .integrations-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .trust-badges {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero {
    padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
  }
  
  .feature-card,
  .pricing-card,
  .integration-item {
    padding: var(--space-lg);
  }
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.btn:focus {
  outline-offset: 4px;
}

/* Smooth animations */
@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .pricing-card,
  .step {
    animation: fadeInUp 0.6s ease-out;
  }
  
  .feature-card:nth-child(2) { animation-delay: 0.1s; }
  .feature-card:nth-child(3) { animation-delay: 0.2s; }
  .feature-card:nth-child(4) { animation-delay: 0.3s; }
  .feature-card:nth-child(5) { animation-delay: 0.4s; }
  .feature-card:nth-child(6) { animation-delay: 0.5s; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Breadcrumb navigation */
.breadcrumb {
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb a:hover,
.breadcrumb a:focus {
  color: var(--text);
  outline: none;
}

.breadcrumb span {
  color: var(--text-secondary);
}

/* Content styling for legal pages */
.content {
  max-width: 800px;
  margin: 0 auto;
}

.content h1 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
  text-align: left;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
  color: var(--text);
}

.content h2 {
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  margin: var(--space-2xl) 0 var(--space-lg);
  text-align: left;
  color: var(--text);
}

.content h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.375rem);
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--text);
}

.content p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.content ul,
.content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.content li {
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.content a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.3s ease;
}

.content a:hover,
.content a:focus {
  color: var(--brand-hover);
  text-decoration: underline;
  outline: none;
}

.lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  font-style: italic;
}

/* Mobile navigation improvements */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--glass-border);
    flex-direction: column;
    padding: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .nav-menu.nav-menu-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-menu li {
    margin: var(--space-sm) 0;
  }
  
  .nav-menu .nav-link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: 1.125rem;
  }
  
  body.nav-open {
    overflow: hidden;
  }
}

/* Print styles */
@media print {
  .header,
  .footer,
  .hero-cta,
  .btn {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .section {
    page-break-inside: avoid;
  }
}