:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  font-synthesis: none;
  --background: #eef6ff;
  --card: rgba(255, 255, 255, 0.9);
  --text: #0f1f3a;
  --muted: #536987;
  --accent: #1677ff;
  --border: rgba(50, 115, 190, 0.22);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(61, 204, 255, 0.22), transparent 34rem),
    radial-gradient(circle at 95% 10%, rgba(101, 93, 255, 0.16), transparent 30rem),
    var(--background);
  color: var(--text);
}

main {
  width: min(880px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

header,
section,
footer {
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background: var(--card);
  box-shadow: 0 18px 50px rgba(35, 83, 145, 0.09);
  padding: clamp(1.25rem, 4vw, 2.25rem);
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  margin-top: 0;
  line-height: 1.15;
}

h1 {
  margin-bottom: 0.65rem;
  font-size: clamp(2.1rem, 7vw, 3.8rem);
}

h2 {
  margin-bottom: 0.7rem;
  font-size: 1.35rem;
}

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

ul,
ol {
  padding-left: 1.35rem;
}

a {
  color: var(--accent);
  font-weight: 650;
}

.meta {
  margin: 0;
  font-size: 0.92rem;
}

.notice {
  border-left: 4px solid var(--accent);
}

form {
  position: relative;
  margin-top: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

label {
  display: block;
  margin-bottom: 1rem;
  color: var(--text);
  font-weight: 700;
}

.optional {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

input,
textarea,
button {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  font: inherit;
}

input,
textarea {
  display: block;
  margin-top: 0.4rem;
  padding: 0.72rem 0.8rem;
  background: var(--card);
  color: var(--text);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
  border-color: var(--accent);
}

button {
  max-width: 18rem;
  padding: 0.8rem 1.1rem;
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 750;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-disclosure {
  font-size: 0.9rem;
}

.form-status {
  min-height: 1.55rem;
  margin-bottom: 0;
  font-weight: 700;
}

.form-status.success {
  color: #08783d;
}

.form-status.error {
  color: #b42318;
}

.support-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

footer {
  margin-bottom: 0;
  text-align: center;
}

@media (max-width: 620px) {
  .form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #07101f;
    --card: rgba(13, 27, 49, 0.94);
    --text: #edf6ff;
    --muted: #b8cae2;
    --accent: #57c8ff;
    --border: rgba(111, 181, 255, 0.22);
  }

  .form-status.success {
    color: #77e3a8;
  }

  .form-status.error {
    color: #ff9b91;
  }
}