:root {
  --bg: #0f141b;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #6b7280;
  --accent: #12805f;
  --accent-dark: #0b6248;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(18, 128, 95, 0.18), transparent 42%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  display: grid;
  min-height: 100vh;
  padding: 24px;
  place-items: center;
}

.panel {
  display: grid;
  width: min(100%, 480px);
  gap: 24px;
  justify-items: center;
  padding: 28px;
  background: var(--panel);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.copy {
  display: grid;
  gap: 10px;
  text-align: center;
}

h1,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.1;
  font-weight: 850;
  letter-spacing: 0;
}

p {
  max-width: 400px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 0 22px;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 800;
  transition: background 160ms ease, transform 160ms ease;
}

.button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  .page {
    padding: 16px;
  }

  .panel {
    padding: 22px;
  }
}