:root {
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --bg: #fafafa;
  --surface: #fff;
  --border: #e5e5e5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --bg: #0a0a0a;
    --surface: #141414;
    --border: #2a2a2a;
  }
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg);
  min-height: 100vh;
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

header#title-block-header {
  margin-bottom: 0.25rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

header#title-block-header + p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

ul {
  list-style: none;
  margin-bottom: 1rem;
}

li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Connect section - horizontal links */
h2#connect + ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

h2#connect + ul li {
  padding-left: 0;
}

h2#connect + ul li::before {
  display: none;
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }

  h1 {
    font-size: 2rem;
  }

  body {
    padding: 2rem 1rem;
  }
}