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

:root {
  --color-bg: #0d1117;         /* fondo general tipo terminal */
  --color-section: #161b22;    /* bloques/secciones */
  --color-text: #c9d1d9;       /* texto claro */
  --color-primary: #58a6ff;    /* azul brillante */
  --color-accent: #3fb950;     /* verde neón */
  --color-highlight: #f78166;  /* detalles */
  --font-main: 'Fira Code', monospace, 'Segoe UI', sans-serif;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s;
}
a:hover {
  color: var(--color-accent);
}

h1, h2, h3 {
  font-weight: 600;
}