* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #17202a;
  background:
    radial-gradient(circle at top left, rgba(39, 174, 96, 0.18), transparent 32rem),
    linear-gradient(135deg, #f7fbf9 0%, #eef6f3 48%, #f9fbff 100%);
}

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

.domain-card {
  width: min(100%, 560px);
  padding: 40px;
  text-align: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 32, 42, 0.08);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(23, 32, 42, 0.12);
}

.label {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  color: #16834a;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1.05;
}

.description {
  margin: 18px auto 28px;
  max-width: 430px;
  font-size: 17px;
  line-height: 1.6;
  color: #52616b;
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  background: #25d366;
  border-radius: 8px;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.whatsapp-button:hover {
  background: #1ebe5d;
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.28);
  transform: translateY(-2px);
}

.whatsapp-button:focus-visible {
  outline: 3px solid rgba(37, 211, 102, 0.35);
  outline-offset: 4px;
}

.phone {
  margin: 18px 0 0;
  font-size: 15px;
  color: #6b7780;
}

@media (max-width: 520px) {
  .domain-card {
    padding: 32px 22px;
  }

  .whatsapp-button {
    width: 100%;
  }
}
