:root {
  --primary: #2563eb;
  --bg-color: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --card-bg: rgba(30, 41, 59, 0.7);
  --card-border: rgba(255, 255, 255, 0.1);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg-color);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(37, 99, 235, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(14, 165, 233, 0.15), transparent 25%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.glass-container {
  max-width: 1000px;
  width: 90%;
  padding: 3rem;
  margin: 2rem 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
  background: linear-gradient(to right, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.05em;
}

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

.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.2);
}

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

.icon {
  font-size: 2rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
}

.card h2 {
  font-size: 1.25rem;
  margin: 0;
  font-weight: 600;
}

.card-body p {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.card-body ol, .card-body ul {
  padding-left: 1.25rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.card-body li {
  margin-bottom: 0.75rem;
}

.card-body a {
  color: #60a5fa;
  text-decoration: none;
  font-weight: 500;
}

.card-body a:hover {
  text-decoration: underline;
}

code {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.875rem;
  color: #e2e8f0;
}

.label {
  font-weight: 600;
  color: #cbd5e1;
}

.system-footer {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .glass-container {
    padding: 2rem;
  }
}