:root {
  color-scheme: light dark;
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #cbd5e1;
  --accent: #111827;
  --accent-text: #ffffff;
  --focus: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #09090b;
    --surface: #111113;
    --text: #f8fafc;
    --muted: #cbd5e1;
    --border: #3f3f46;
    --accent: #f8fafc;
    --accent-text: #09090b;
    --focus: #93c5fd;
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--text);
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  line-height: 1.5;
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  padding: 2rem clamp(1.25rem, 4vw, 3rem);
}

.topbar,
.footer {
  align-items: center;
  border-color: var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
}

.topbar {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.brand {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.nav a,
.footer a,
.footer-contact {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.content {
  margin: 0 auto;
  max-width: 760px;
  padding: clamp(3rem, 9vw, 6rem) 0;
  width: 100%;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 8vw, 4.5rem);
  letter-spacing: 0;
  line-height: 0.95;
  margin: 0;
  max-width: 11ch;
}

h2 {
  font-size: 1.125rem;
  letter-spacing: 0;
  line-height: 1.25;
  margin: 0.75rem 0 0;
}

.notice {
  border-left: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
  margin: 1.75rem 0 0;
  padding-left: 1rem;
}

.body {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

.body p,
.body li {
  font-size: 1rem;
  margin: 0;
}

.body ul {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding-left: 1.25rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1.25rem;
}

.field {
  display: grid;
  gap: 0.5rem;
}

.label {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

input,
textarea {
  background: var(--background);
  border: 1px solid var(--border);
  color: var(--text);
  font: inherit;
  min-height: 2.75rem;
  padding: 0.75rem;
  width: 100%;
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

button,
.button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--accent-text);
  display: inline-flex;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  justify-content: center;
  letter-spacing: 0.14em;
  min-height: 2.75rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  text-transform: uppercase;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.status {
  border-left: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0;
  padding-left: 1rem;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding-top: 1rem;
}

.footer-links {
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .topbar,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}