:root {
  --stone-50: #fafaf9;
  --stone-100: #f5f5f4;
  --stone-200: #e7e5e4;
  --stone-300: #d6d3d1;
  --stone-400: #a8a29e;
  --stone-500: #78716c;
  --stone-600: #57534e;
  --stone-700: #44403c;
  --stone-800: #292524;
  --stone-900: #1c1917;
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --amber-800: #92400e;
  --red-700: #b91c1c;
  --font-am: 'Noto Sans Armenian', sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font-en);
  color: var(--stone-800);
  background-color: var(--stone-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--stone-200);
  padding: 1rem 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: var(--font-am);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--stone-900);
  letter-spacing: -0.01em;
}

.logo-sub {
  font-size: 0.75rem;
  color: var(--stone-400);
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--stone-600);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--stone-900);
}

/* Hero */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
  background: linear-gradient(180deg, var(--stone-50) 0%, var(--stone-100) 100%);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--stone-900);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--stone-500);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--stone-900);
  color: var(--stone-50);
}

.btn-primary:hover {
  background: var(--stone-700);
}

.btn-secondary {
  background: transparent;
  color: var(--stone-700);
  border: 1px solid var(--stone-300);
}

.btn-secondary:hover {
  background: var(--stone-100);
  border-color: var(--stone-400);
}

/* Stats */
.stats {
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 0.75rem;
  border: 1px solid var(--stone-200);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--stone-900);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--stone-500);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Features */
.features {
  padding: 4rem 0;
  background: white;
  border-top: 1px solid var(--stone-200);
  border-bottom: 1px solid var(--stone-200);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--stone-900);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--stone-100);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--stone-300);
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--stone-800);
  margin-bottom: 0.5rem;
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--stone-500);
  line-height: 1.65;
}

/* CTA */
.cta {
  padding: 5rem 0;
  text-align: center;
}

.cta-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--stone-900);
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.0625rem;
  color: var(--stone-500);
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--stone-200);
  text-align: center;
}

.footer p {
  font-size: 0.8125rem;
  color: var(--stone-400);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

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

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

  .nav {
    gap: 1rem;
  }
}