:root {
  --ink: #1b2420;
  --ink-soft: #4d5c55;
  --paper: #f4f2ec;
  --card: #ffffff;
  --line: #d9d5ca;
  --brand: #2f6b4a;
  --accent: #2f6b4a;
  --brand-dark: #24533a;
  --danger: #a52121;
  --focus: #1d70b8;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1ee;
    --ink-soft: #b3bdb7;
    --paper: #141a17;
    --card: #1d2521;
    --line: #36423b;
    --brand: #2f7a52;
    --brand-dark: #389464;
    --accent: #7ec79b;
    --danger: #ff9b9b;
    --focus: #8ec5ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.card {
  max-width: 34rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 2.25rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.masthead { margin-bottom: 1.75rem; }
.logo {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
}

/* The wordmark is black on transparent, so flip it for a dark background. */
@media (prefers-color-scheme: dark) {
  .logo { filter: invert(1); }
}

.wordmark {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.wordmark span {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
  line-height: 1.25;
}

.lede { margin: 0 0 1.75rem; color: var(--ink-soft); }

form { margin: 0; }

.field { margin-bottom: 1.5rem; border: 0; padding: 0; }

.name-row { display: grid; gap: 0 1rem; }

@media (min-width: 30rem) {
  .name-row { grid-template-columns: 1fr 1fr; }
}

label, legend {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

legend { padding: 0; }

input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
}

input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="radio"]:focus-visible,
input[type="checkbox"]:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

[aria-invalid="true"] { border-color: var(--danger); }

.choice {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-bottom: 0.35rem;
  font-weight: 400;
}

.choice input { margin-top: 0.3rem; flex: none; }

.consent { margin-top: 0.25rem; }

.error {
  margin: 0.4rem 0 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--danger);
}

.alert {
  margin: 0 0 1.5rem;
  padding: 0.8rem 1rem;
  border-left: 4px solid var(--danger);
  border-radius: 4px;
  background: color-mix(in srgb, var(--danger) 10%, transparent);
}

/* Off-screen rather than display:none, so bots still see something to fill. */
.trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.cf-turnstile { margin-bottom: 1.5rem; }

button {
  width: 100%;
  padding: 0.8rem 1rem;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--brand);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { background: var(--brand-dark); }


a { color: var(--accent); }

h2 {
  margin: 1.75rem 0 0.4rem;
  font-size: 1.05rem;
}

h2 + p { margin-top: 0; }

.footnote,
.back {
  margin: 1.75rem 0 0;
  font-size: 0.9rem;
}

@media (min-width: 40rem) {
  body { padding-top: 3.5rem; }
  .card { padding: 2.5rem 2.5rem 2.75rem; }
  h1 { font-size: 1.85rem; }
}