:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: #f5f7fb;
  color: #172033;
}

* {
  box-sizing: border-box;
}

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

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

.panel {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid #d9e0ec;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 50px rgb(31 45 71 / 12%);
  text-align: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: #3c6e71;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
}

.summary {
  margin: 12px 0 28px;
  color: #566276;
  font-size: 16px;
  line-height: 1.6;
}

.call-button {
  width: 100%;
  min-height: 56px;
  border: 0;
  border-radius: 8px;
  background: #d9472f;
  color: #ffffff;
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.call-button:focus-visible {
  outline: 3px solid #f4b942;
  outline-offset: 3px;
}

.call-button:hover:not(:disabled) {
  background: #bf3a25;
}

.call-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.status {
  min-height: 24px;
  margin: 18px 0 0;
  color: #3c4658;
  font-size: 15px;
}

@media (max-width: 420px) {
  .shell {
    padding: 16px;
  }

  .panel {
    padding: 24px;
  }

  h1 {
    font-size: 28px;
  }
}
