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

body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  color: #1a2b2e;
  background: #f4f0ea;
  line-height: 1.6;
}

a {
  color: #0d5c63;
}

.site-header {
  background: #0d5c63;
  color: #f4f0ea;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  opacity: 0.9;
}

.site-nav a[aria-current='page'] {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero {
  background: linear-gradient(135deg, #0d5c63 0%, #1a7a84 100%);
  color: #f4f0ea;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: 2.25rem;
}

.hero p {
  margin: 0;
  max-width: 42rem;
  opacity: 0.95;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: 0 2px 12px rgba(13, 92, 99, 0.08);
}

.card h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.55rem 1rem;
  background: #0d5c63;
  color: #f4f0ea;
  border-radius: 6px;
  text-decoration: none;
  font-family: system-ui, sans-serif;
  font-size: 0.95rem;
}

.btn:hover {
  background: #09484e;
}

.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  color: #5c6b6e;
}

.dev-banner {
  background: #fff8e6;
  border: 1px solid #e8c96a;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

.dev-banner strong {
  display: block;
  margin-bottom: 0.35rem;
}

.dev-banner code {
  font-size: 0.85rem;
  word-break: break-all;
}

.a11y-fixture {
  background: #fff;
  border: 1px solid #d7e2e4;
  border-radius: 8px;
  padding: 1rem 1.15rem 1.15rem;
  margin-bottom: 2rem;
  font-family: system-ui, sans-serif;
}

.a11y-fixture-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
}

.a11y-fixture-note {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: #5c6b6e;
}

.a11y-fixture-figure {
  margin: 0;
}

.a11y-fixture-figure img {
  display: block;
  width: 100%;
  max-width: 28rem;
  height: auto;
  border-radius: 6px;
  border: 1px solid #d7e2e4;
}

.a11y-fixture-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #5c6b6e;
}

.form-row {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-family: system-ui, sans-serif;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input,
select,
textarea {
  width: 100%;
  max-width: 28rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid #c5d0d2;
  border-radius: 6px;
  font: inherit;
}