:root {
  font-size: 62.5%;
  --color-bg: #0a0e1a;
  --color-surface: #111827;
  --color-surface-light: #1f2937;
  --color-surface-strong: #374151;
  --color-primary: #06b6d4;
  --color-primary-light: #22d3ee;
  --color-secondary: #10b981;
  --color-accent: #3b82f6;
  --color-warning: #f59e0b;
  --color-text: #f9fafb;
  --color-text-secondary: #e5e7eb;
  --color-muted: #9ca3af;
  --color-border: #06b6d4;
  --color-border-light: #22d3ee;
  --shadow-terminal: 0 0 2rem rgba(6, 182, 212, 0.2);
  --shadow-glow: 0 0 1rem rgba(6, 182, 212, 0.3);
  --shadow-strong: 0 0 3rem rgba(6, 182, 212, 0.25);
  --transition-base: 300ms ease-out;
  --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --radius-xl: 0;
  --radius-lg: 0;
  --radius-md: 0;
  --radius-sm: 0;
  --font-mono: "Space Mono", "JetBrains Mono", "Fira Code", "Source Code Pro", monospace;
}

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

body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeSpeed;
  letter-spacing: 0.05rem;
}

main {
  flex: 1;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 0.3rem solid rgba(255, 179, 71, 0.6);
  outline-offset: 0.2rem;
  border-radius: var(--radius-sm);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

h1 {
  font-size: 4.8rem;
}
h2 {
  font-size: 3.2rem;
}
h3 {
  font-size: 2.4rem;
}

p {
  margin: 0;
  font-family: var(--font-mono);
}

small {
  font-size: 1.2rem;
  font-family: var(--font-mono);
}