/* Base styles */
:root {
  --primary-color: #0066ff;
  --background-light: #f9f9f9;
  --text-light: #000;
  --background-dark: #181818;
  --text-dark: #fff;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: var(--text-light);
  background-color: var(--background-light);
  line-height: 1.6;
  transition: background-color 0.5s ease, color 0.5s ease;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--background-dark);
    color: var(--text-dark);
  }
}

h1, h2 {
  color: var(--primary-color);
  text-align: center;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

/* Section styles */
header {
  background: var(--primary-color);
  color: #fff;
  padding: 40px 20px;
}

header h1 {
  margin: 0;
  font-size: 36px;
  letter-spacing: 1px;
}

header p {
  font-size: 18px;
  margin: 10px 0 0;
}

section {
  margin: 40px 0;
}

.about p, .contact p {
  font-size: 18px;
}

footer {
  background: #222;
  color: #bbb;
  text-align: center;
  padding: 20px 0;
  margin-top: 20px;
  font-size: 14px;
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
}