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

body {
  background-color: #000;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  /* align at the top */
  min-height: 100vh;
  padding: 1.2rem 1rem;
}

/* Card */
.card {
  background-color: #1a1a1a;
  border-radius: 12px;
  padding: 1.8rem;
  max-width: 360px;
  width: 100%;
  text-align: left;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Center these specific elements */
.attention,
h1,
.subtitle,
.install,
.btn {
  text-align: center;
}

/* Attention header */
.attention {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  margin-bottom: 1.2rem;
  font-size: 1.3rem;
}

.icon {
  font-size: 1.4rem;
}

/* Headline */
h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Subtitle */
.subtitle {
  color: #ccc;
  margin-bottom: 1rem;
  line-height: 1.4;
}

/* Install text */
.install {
  font-weight: 500;
  margin-bottom: 1rem;
}

/* Steps */
.steps {
  margin-left: 1.2rem;
  margin-bottom: 1.5rem;
}

.steps li {
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  color: #ddd;
}

.steps strong {
  color: #fff;
}

/* Button */

.btn-container {
  text-align: center;
}

.btn {
  display: inline-block;
  background-color: #007bff;
  color: #fff;
  text-align: center;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  border-radius: 8px;
  transition: background-color 0.2s ease;
  padding: 0.75rem 1.45rem;
  margin-top: 0.8rem;
  margin-bottom: 0.8rem;
}

.btn:hover {
  background-color: #006ae0;
}

/* Responsive tweaks */
@media (max-width: 400px) {
  .card {
    padding: 1.4rem;
  }

  h1 {
    font-size: 1.2rem;
  }

  .btn {
    font-size: 0.95rem;
    padding: 0.75rem;
  }
}