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

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 18px;
  line-height: 1.5;
  color: #1a1a2e;
  background: linear-gradient(160deg, #e8eaf6 0%, #f3e5f5 100%);
  min-height: 100vh;
}

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero__logo {
  display: block;
  margin: 0 auto 1.5rem;
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.hero__title {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #1a1a2e;
}

.hero__subtitle {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  color: #444;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid #5c6bc0;
  outline-offset: 2px;
}

.btn--primary {
  background: linear-gradient(135deg, #3f51b5 0%, #7b1fa2 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(63, 81, 181, 0.4);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(63, 81, 181, 0.45);
}

.btn--secondary {
  background: #fff;
  color: #666;
  border: 2px solid #e0e0e0;
  cursor: not-allowed;
  opacity: 0.85;
}

.btn--secondary:hover {
  transform: none;
}

.features {
  margin-bottom: 2.5rem;
}

.features__list {
  margin: 0;
  padding-left: 1.35rem;
  list-style: none;
}

.features__list li {
  position: relative;
  padding-left: 0.5rem;
  margin-bottom: 0.75rem;
}

.features__list li::before {
  content: "•";
  position: absolute;
  left: -1rem;
  color: #5c6bc0;
  font-weight: 700;
}

.cta {
  text-align: center;
}

.cta .btn {
  padding: 0.9rem 1.75rem;
  font-size: 1.05rem;
}

@media (max-width: 480px) {
  .page {
    padding: 2rem 1rem 3rem;
  }

  .hero__title {
    font-size: 1.45rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }
}
