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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0fdf4;
  color: #212529;
  line-height: 1.5;
}

header {
  background: #fff;
  border-bottom: 0.5px solid #e5e7eb;
}

.site-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-name {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.3px;
  line-height: 1;
  color: #111827;
}

.brand-domain {
  font-size: 10px;
  color: #9ca3af;
  letter-spacing: 0.2px;
  margin-top: 2px;
}

.header-nav {
  display: flex;
  gap: 16px;
  font-size: 12px;
}

.header-nav a {
  color: #4b5563;
  text-decoration: none;
}

.header-nav a:hover {
  color: #111827;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: #6c757d;
  font-size: 0.85rem;
  border-top: 1px solid #d1fae5;
  margin-top: 2rem;
}

footer a {
  color: #047857;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}