/* Base Typography & Reset */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Merriweather:ital,wght@0,400;0,700;1,400&display=swap');

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

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1f2937;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background: #fff;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Merriweather', Georgia, serif;
  line-height: 1.3;
  color: #111827;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Paragraphs */
p {
  margin: 1rem 0;
}

/* Links - base styles */
a {
  color: #2563eb;
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #1d4ed8;
}

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

/* Code */
code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.875em;
  background: #f3f4f6;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
}

pre {
  background: #1f2937;
  color: #f9fafb;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
}

pre code {
  background: transparent;
  padding: 0;
}

/* Lists */
ul, ol {
  padding-left: 1.5rem;
}

li {
  margin: 0.5rem 0;
}

/* Horizontal rule */
hr {
  border: none;
  border-top: 2px solid #e5e7eb;
  margin: 2rem 0;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
}

/* Selection */
::selection {
  background: #dbeafe;
  color: #1e40af;
}