:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  --ink: #111827;
  --muted: #5b6472;
  --accent: #0f766e;
  --border: #d1d5db;
  --danger: #b91c1c;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f8fafc;
}

main {
  max-width: 36rem;
  margin: 4rem auto;
  padding: 0 1.25rem;
}

h1 {
  margin-bottom: 0.25rem;
}

p {
  color: var(--muted);
}

form {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

input,
textarea {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: #fff;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  justify-self: start;
  font: inherit;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border: 0;
  border-radius: 0.5rem;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: progress;
}

#form-status {
  min-height: 1.5em;
  margin: 0;
}

#form-status.error {
  color: var(--danger);
}

/* Off-screen, not display:none: some bots skip hidden fields but fill visible-looking ones. */
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}