:root {
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #111827;
  --color-bg-card: #1a2035;
  --color-bg-card-hover: #1f2847;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: #1e293b;
  --color-white: #ffffff;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);

  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-white);
}

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

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo img {
  height: 36px;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.logo-text span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  align-items: center;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent-gradient);
  border-radius: var(--radius-full);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--header-height) var(--space-xl) var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-lg);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-accent-light);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
}

.hero h1 .gradient-text {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  background: rgba(59, 130, 246, 0.05);
}

/* Stats */
.stats {
  padding: var(--space-4xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat-item h3 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

.stat-item p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Verticals */
.verticals {
  padding: var(--space-4xl) 0;
}

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

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.vertical-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.vertical-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.vertical-card:hover {
  background: var(--color-bg-card-hover);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.vertical-card:hover::before {
  opacity: 1;
}

.vertical-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  display: block;
}

.vertical-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.vertical-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* CTA Banner */
.cta-banner {
  padding: var(--space-4xl) 0;
  text-align: center;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-banner p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

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

/* Footer */
.site-footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-primary);
}

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

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-contact a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-contact a:hover {
  color: var(--color-accent-light);
}

/* About Page */
.page-hero {
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-3xl);
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.page-hero p {
  color: var(--color-text-secondary);
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto;
}

/* Mission */
.mission {
  padding: var(--space-3xl) 0 var(--space-4xl);
}

.mission-content {
  max-width: 800px;
  margin: 0 auto;
}

.mission-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.mission-content p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.value-item {
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.value-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-light);
}

.value-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Team */
.team {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-2xl);
}

.team-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.team-card:hover {
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.team-card-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.team-card-body {
  padding: var(--space-xl);
}

.team-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.team-card-title {
  color: var(--color-accent-light);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.team-card-body p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.team-card-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.team-card-email:hover {
  color: var(--color-accent-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .verticals-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

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

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    min-height: 80vh;
    padding-top: calc(var(--header-height) + var(--space-2xl));
  }

  .hero h1 {
    font-size: 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

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

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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