:root {
  color-scheme: light dark;
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5a5a5a;
  --color-border: #d9d9d9;
  --color-accent: #2557a7;
  --color-error: #b3261e;
  --color-success: #1e7a34;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

header, main, footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  border-bottom: 1px solid var(--color-border);
}

nav a {
  margin-right: 1rem;
  color: var(--color-accent);
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

footer {
  color: var(--color-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--color-border);
}

.form-field {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-field label {
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.form-field .field-error {
  color: var(--color-error);
  font-size: 0.875rem;
}

button[type="submit"] {
  font: inherit;
  padding: 0.6rem 1.2rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 4px;
  display: none;
}

.form-status.success {
  display: block;
  background: color-mix(in srgb, var(--color-success) 15%, transparent);
  color: var(--color-success);
}

.form-status.error {
  display: block;
  background: color-mix(in srgb, var(--color-error) 15%, transparent);
  color: var(--color-error);
}

.form-loading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 0;
  color: var(--color-muted);
}

.form-loading-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: form-loading-spin 0.8s linear infinite;
}

@keyframes form-loading-spin {
  to {
    transform: rotate(360deg);
  }
}

.form-load-error {
  padding: 0.75rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--color-error) 15%, transparent);
  color: var(--color-error);
}

/* Home page hero + form-links cards. header/main/footer stay at the shared
   720px column width elsewhere, so widen just the home page's <main> to give
   the three-card layout room to breathe. */
body:has(.hero) main {
  max-width: 960px;
}

.hero {
  padding: 1.5rem 0 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-muted);
}

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

.card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.card h2 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
}

.card p {
  color: var(--color-muted);
  flex-grow: 1;
}

.card-cta {
  display: inline-block;
  margin-top: 1rem;
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}

.card-cta:hover {
  text-decoration: underline;
}