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

html {
  scroll-behavior: smooth;
}

body {
  background-color: #fafafa;
  color: #333333;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e8e8e8;
}

.brand {
  color: #1a1a1a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand:hover {
  color: #555555;
}

.site-nav {
  display: flex;
  gap: 20px;
}

.site-nav a {
  color: #888888;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: #1a1a1a;
}

/* Page title */
.content h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.3;
  margin-bottom: 12px;
  text-align: center;
  color: #1a1a1a;
}

.updated {
  color: #999999;
  font-size: 0.875rem;
  margin-bottom: 40px;
  text-align: center;
}

.tagline {
  color: #666666;
  font-size: 1rem;
  margin-bottom: 32px;
  text-align: center;
}

/* Sections */
.content h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  margin-top: 36px;
  color: #1a1a1a;
}

.content h2:first-of-type {
  margin-top: 0;
}

.content p {
  margin-bottom: 14px;
  color: #444444;
}

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

.content ul {
  list-style: none;
  margin-bottom: 14px;
  padding-left: 0;
}

.content ul li {
  margin-bottom: 8px;
  padding-left: 18px;
  position: relative;
  color: #444444;
}

.content ul li::before {
  content: "–";
  left: 0;
  opacity: 0.4;
  position: absolute;
}

.content strong {
  color: #1a1a1a;
  font-weight: 600;
}

.content hr {
  border: none;
  border-top: 1px solid #e8e8e8;
  margin: 48px 0 32px;
}

/* About page footer banner */
.footer-banner {
  color: #aaaaaa;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.8;
  text-align: center;
}

/* Site footer */
.site-footer {
  border-top: 1px solid #e8e8e8;
  color: #999999;
  font-size: 0.8rem;
  margin-top: 64px;
  padding-top: 24px;
  text-align: center;
}

/* Mobile */
@media (max-width: 480px) {
  .page {
    padding: 24px 20px 48px;
  }

  .site-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .content h1 {
    font-size: 1.65rem;
  }
}