* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, #111827, #1f2937);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
}

h1 {
  font-size: 48px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

p {
  color: #d1d5db;
  margin-bottom: 30px;
}

.buttons {
  display: grid;
  gap: 14px;
}

.btn {
  display: block;
  text-decoration: none;
  color: white;
  font-weight: 700;
  padding: 15px 20px;
  border-radius: 14px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-3px);
  opacity: 0.9;
}

.instagram {
  background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af, #515bd4);
}

.testes {
  background: #2563eb;
}