:root {
  color-scheme: light dark;

  /* color palette */
  --bg-light: Canvas;
  --fg-light: CanvasText;
  --bg-dark: Canvas;
  --fg-dark: CanvasText;

  --bg: var(--bg-light);
  --fg: var(--fg-light);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--bg-dark);
    --fg: var(--fg-dark);
  }
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: var(--bg-light);
  --fg: var(--fg-light);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: var(--bg-dark);
  --fg: var(--fg-dark);
}

body {
  margin: 0;
  padding: 1rem 2rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  box-sizing: border-box;

  font-family: "Open Sans", system-ui;

  background: var(--bg);
  color: var(--fg);
}

header {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
}

header nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

main {
  max-width: 42rem;
  width: 100%;
  margin: 0 auto;
  flex: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Ubuntu", system-ui;
}

footer {
  text-align: center;
  padding-top: 2rem;
}

a {
  overflow-wrap: anywhere;
}

a:hover {
  opacity: 0.7;
}

.post-meta {
  font-size: 0.8rem;
  opacity: 0.75;
}

.contact-icons {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.contact-icons a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-icons svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: var(--fg);
}