:root {
  --bg: #05060a;
  --card: #10121a;
  --text: #e9edf5;
  --muted: #9aa3b5;
  --border: rgba(255, 255, 255, 0.08);
  --whatsapp: #25d366;
  --email: #4285f4;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.7);
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: #05060a;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: transparent;
  color: var(--text);
}

.page {
  min-height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 16px 40px;
  box-sizing: border-box;
}

.card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(145deg, #10121a, #111523);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 26px 22px 24px;
  text-align: center;
  backdrop-filter: blur(14px);
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
}

p {
  margin: 0 0 20px;
  font-size: 0.95rem;
  color: var(--muted);
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 18px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: 0.02em;
  transition: transform 0.12s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  color: #05060a;
}

.btn-whatsapp {
  background: var(--whatsapp);
  box-shadow: 0 0 12px rgba(37, 211, 102, 0.8);
}

.btn-email {
  background: var(--email);
  box-shadow: 0 0 12px rgba(66, 133, 244, 0.8);
}

.btn:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.btn:active {
  transform: translateY(0);
  opacity: 0.9;
  box-shadow: none;
}

@media (min-width: 520px) {
  .btn-group {
    flex-direction: row;
  }
}