:root {
  --ink: #17171b;
  --tide: #d91f4e;
  --sand: #f6f7f9;
  --line: #e2e8f0;
  --muted: #64748b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--sand);
  color: var(--ink);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}

.card {
  width: 100%;
  max-width: 380px;
  padding: 32px 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
  text-align: center;
}

.logo {
  width: 160px;
  height: auto;
  margin-bottom: 20px;
}

h1 {
  margin: 0 0 8px;
  font-size: 22px;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.amount {
  margin-top: 12px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 800;
}

.actions {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.button {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
}

.primary {
  background: var(--tide);
  color: #fff;
}

.secondary {
  border: 1px solid var(--line);
  color: var(--ink);
}

.hint {
  margin-top: 16px;
  font-size: 12px;
}

[hidden] {
  display: none !important;
}