* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  color: #334155;
  background: #f8fafc;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
}

.site-header-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-logo {
  color: #0f172a;
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

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

.site-nav a {
  color: #64748b;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover {
  color: #059669;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 64px;
  background: #ffffff;
  min-height: calc(100vh - 57px);
  box-shadow: 0 1px 0 #e2e8f0;
}

h1 {
  margin: 0 0 8px;
  font-size: 2.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.updated {
  margin: 0 0 24px;
  color: #94a3b8;
  font-size: 0.875rem;
  font-weight: 700;
}

.subtitle {
  margin: 0 0 28px;
  color: #64748b;
  font-size: 1.125rem;
}

h2 {
  margin: 36px 0 12px;
  font-size: 1.125rem;
  font-weight: 800;
  color: #0f172a;
}

h3 {
  margin: 22px 0 8px;
  font-size: 1rem;
  font-weight: 800;
  color: #0f172a;
}

p,
li {
  font-size: 1rem;
}

ul {
  margin: 0 0 16px;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 8px;
}

a {
  color: #059669;
}

.email-link {
  font-weight: 700;
}

.site-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
  color: #64748b;
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0 0 8px;
}

.hero {
  margin-bottom: 8px;
}

.hero p {
  font-size: 1.125rem;
  color: #475569;
  margin: 0 0 24px;
}

.home h1 {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.home .subtitle {
  font-size: 1.25rem;
  margin-bottom: 32px;
}

.button {
  display: inline-block;
  background: #059669;
  color: #ffffff !important;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 999px;
}

.button:hover {
  background: #047857;
}

@media (min-width: 768px) {
  main {
    margin-top: 24px;
    margin-bottom: 24px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    min-height: auto;
  }
}