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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1a1a2e;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #ff6b6b 0%, #ffd93d 50%, #6bcb77 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.hero {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
  width: 100%;
}

.badge {
  display: inline-block;
  background: #1a1a2e;
  color: #ffd93d;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, #ff6b6b, #6bcb77);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

.subtitle {
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 32px;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  background: #1a1a2e;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  background: #ff6b6b;
  box-shadow: 0 10px 20px rgba(255, 107, 107, 0.35);
}

.footer {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 480px) {
  .card {
    padding: 40px 24px;
  }
}