body {
  margin: 0;
  padding: 20px 20px;
  min-height: 100vh;

  background-image:
    linear-gradient(
      rgba(0, 0, 0, 0.05),
      rgba(0, 0, 0, 0.05)
    ),
    url('background.png');

  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;

  color: #e8e8e8;
  font-family: Arial, Helvetica, sans-serif;
}

/* Fixed background for desktop, scroll fallback for iOS */
@supports (background-attachment: fixed) {
  body {
    background-attachment: fixed;
  }
}

.title {
  text-align: center;
  font-family: monospace;
  font-size: clamp(2rem, 8vw, 5rem);
  color: #ffffff;
  text-shadow:
    0 0 10px rgba(255, 165, 0, 0.5),
    0 0 20px rgba(255, 165, 0, 0.3);
  margin-bottom: 10px;
}

.subtitle {
  text-align: center;
  color: #ffffff;
  text-shadow:
    0 0 10px rgba(255, 165, 0, 0.5),
    0 0 20px rgba(255, 165, 0, 0.3);
  font-weight: normal;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  max-width: 900px;
  margin: 0 auto 20px auto;
}

.content {
  max-width: 700px;
  margin: 30px auto;
  padding: 24px 30px;

  background: rgba(0, 0, 0, 0.65);

  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;

  backdrop-filter: blur(4px);

  line-height: 1.8;
  font-size: 1.15rem;
}

.cta {
  margin-top: 30px;
}

.btn {
  padding: 14px 32px;
  border: 1px solid rgba(255, 165, 0, 0.6);
  border-radius: 4px;

  font-family: monospace;
  font-size: 1rem;
  letter-spacing: 1px;
  cursor: pointer;

  background: rgba(0, 0, 0, 0.7);
  color: #ffffff;

  text-shadow: 0 0 6px rgba(255, 165, 0, 0.4);
  box-shadow:
    0 0 8px rgba(255, 165, 0, 0.3),
    0 0 20px rgba(255, 165, 0, 0.1);

  transition: all 0.3s ease;
}

.btn:hover {
  background: rgba(255, 165, 0, 0.15);
  border-color: rgba(255, 165, 0, 0.9);
  box-shadow:
    0 0 12px rgba(255, 165, 0, 0.5),
    0 0 30px rgba(255, 165, 0, 0.2);
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid rgba(255, 165, 0, 0.9);
  outline-offset: 3px;
  box-shadow:
    0 0 12px rgba(255, 165, 0, 0.5),
    0 0 30px rgba(255, 165, 0, 0.2);
}

.input {
  width: 320px;
  max-width: 90%;

  padding: 12px;
  border-radius: 4px;

  border: 1px solid #555;

  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 1rem;
}

.input:focus-visible {
  outline: 2px solid rgba(255, 165, 0, 0.9);
  outline-offset: 2px;
  border-color: rgba(255, 165, 0, 0.6);
}

.thank-you {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  border: 2px solid #00ff00;
  background-color: rgba(0, 0, 0, 0.7);
  border-radius: 8px;
}

footer {
  text-align: center;
  margin-top: 50px;
  color: #999;
  font-size: 0.85rem;
}