:root {
  color-scheme: light;
  --background: #f7f6f1;
  --surface: #ffffff;
  --surface-border: #e9e3d6;
  --text: #1f1d17;
  --muted: #6b655a;
  --accent: #1e7a4f;
  --accent-strong: #16603e;
  --shadow: 0 20px 45px rgba(31, 29, 23, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(30, 122, 79, 0.08), transparent 32%),
    var(--background);
  color: var(--text);
}

main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: min(100%, 560px);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(30, 122, 79, 0.1);
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

h1 {
  margin: 18px 0 12px;
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1.05;
}

p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 16px;
}

.actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 120ms ease, opacity 120ms ease, background 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  color: white;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--surface-border);
}

.helper {
  margin-top: 24px;
  font-size: 14px;
  color: var(--muted);
}

strong {
  color: var(--text);
}

@media (max-width: 640px) {
  .card {
    padding: 24px;
    border-radius: 20px;
  }

  p {
    font-size: 16px;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}