:root {
  --color-canvas: #f8fafc;
  --color-surface: #ffffff;
  --color-ink: #0f172a;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-ready: #047857;
  --color-ready-bg: #ecfdf5;
  --color-development: #b45309;
  --color-development-bg: #fffbeb;
  --shadow-soft: 0 20px 50px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.06);
  --radius-large: 24px;
  --radius-medium: 16px;
  --radius-small: 8px;
  --container: 1180px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-canvas);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 4px;
  border-radius: var(--radius-small);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-small);
  z-index: 100;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
  font-weight: 500;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid white;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  color: var(--color-ink);
  font-weight: 600;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-small);
  font-weight: 700;
  font-size: 1.5rem;
}

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

.nav-links a {
  color: var(--color-muted);
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-ink);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-small);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}

.button-small {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.button-primary {
  background: var(--color-primary);
  color: white;
}

.button-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.button-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.button-secondary:hover {
  background: var(--color-primary);
  color: white;
}

/* Hero */
.hero {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-ink);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.trust-points {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.trust-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual svg {
  width: 100%;
  max-width: 400px;
  height: auto;
}

/* Sections */
section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-ink);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* Integrations */
.integrations {
  background: white;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.integration-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  position: relative;
}

.integration-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-primary);
}

.card-icon {
  width: 64px;
  height: 64px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-small);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.integration-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-ink);
}

.card-category {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-description {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.status-badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-ready {
  background: var(--color-ready-bg);
  color: var(--color-ready);
}

.status-development {
  background: var(--color-development-bg);
  color: var(--color-development);
}

/* Platform */
.platform {
  background: var(--color-canvas);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.benefit-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.benefit-icon {
  width: 80px;
  height: 80px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-card);
  color: var(--color-primary);
}

.benefit-card h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-ink);
}

.benefit-card p {
  color: var(--color-muted);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-brand .brand-mark {
  width: 48px;
  height: 48px;
  font-size: 1.75rem;
}

.footer-brand strong {
  font-size: 1.125rem;
  display: block;
  margin-bottom: 0.25rem;
}

.trademark {
  margin-left: 0.15rem;
  color: #93c5fd;
  font-size: 0.65em;
  vertical-align: super;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin: 0;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.footer-meta span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-meta strong {
  margin-top: 0.2rem;
  font-size: 1rem;
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 760px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual svg {
    max-width: 300px;
  }

  .nav-links {
    gap: var(--spacing-sm);
  }

  .nav-links a:not(.button) {
    display: none;
  }

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-meta {
    align-items: center;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.4rem;
  }

  section {
    padding: var(--spacing-lg) 0;
  }
}

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