:root {
  --color-primary: #38bdf8;
  --color-primary-dark: #0ea5e9;
  --color-primary-light: rgba(56, 189, 248, 0.16);
  --color-secondary: #22c55e;
  --color-accent: #a855f7;
  --color-text: #e5e7eb;
  --color-text-muted: #9aa5b8;
  --color-bg: #070b14;
  --color-surface: rgba(255, 255, 255, 0.06);
  --color-surface-elevated: rgba(255, 255, 255, 0.09);
  --color-bg-alt: rgba(255, 255, 255, 0.04);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-danger: #f87171;

  --gradient-body: radial-gradient(1200px 600px at 10% 5%, rgba(56, 189, 248, 0.16), transparent 60%),
                   radial-gradient(900px 500px at 85% 25%, rgba(34, 197, 94, 0.13), transparent 60%),
                   radial-gradient(900px 500px at 55% 95%, rgba(168, 85, 247, 0.1), transparent 60%),
                   #070b14;
  --gradient-hero: radial-gradient(800px 420px at 15% 0%, rgba(56, 189, 248, 0.14), transparent 60%),
                    radial-gradient(700px 400px at 90% 20%, rgba(34, 197, 94, 0.12), transparent 60%);
  --gradient-hero-mesh: linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                         linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  --gradient-callout: linear-gradient(135deg, rgba(56, 189, 248, 0.28) 0%, rgba(34, 197, 94, 0.22) 100%);
  --gradient-brand: linear-gradient(135deg, rgba(56, 189, 248, 0.35) 0%, rgba(34, 197, 94, 0.25) 100%);
  --gradient-button: linear-gradient(135deg, rgba(56, 189, 248, 0.85) 0%, rgba(34, 197, 94, 0.75) 100%);

  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Plus Jakarta Sans", system-ui, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --container-max: 1180px;
  --radius: 24px;
  --radius-sm: 14px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(2, 6, 23, 0.5);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

:root {
  color: var(--color-text);
  background: var(--gradient-body) fixed;
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.65;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}