:root {
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --text-muted: #666666;
  --heading-color: #000000;
  --border-color: #e5e5e5;
  --accent-color: #007aff; /* iOS Default Blue for familiarity */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
    --heading-color: #ffffff;
    --border-color: #333333;
    --accent-color: #0a84ff;
  }
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

header {
  margin-bottom: 48px;
  text-align: center;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--heading-color);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.last-updated {
  font-size: 14px;
  color: var(--text-muted);
}

section {
  margin-bottom: 32px;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--heading-color);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--heading-color);
  margin-top: 24px;
  margin-bottom: 12px;
}

p {
  margin-bottom: 16px;
}

ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  text-decoration: underline;
  opacity: 0.8;
}

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

.contact-box {
  background-color: rgba(128, 128, 128, 0.05);
  border-radius: 12px;
  padding: 24px;
  margin-top: 40px;
}

.contact-box p {
  margin-bottom: 8px;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

/* Print optimizations */
@media print {
  body {
    color: #000;
    background: #fff;
  }
  .container {
    padding: 0;
    max-width: 100%;
  }
}