:root {
  color-scheme: light dark;
  font-family: "Helvetica Neue", Arial, sans-serif;
  background-color: #f5f6f9;
  color: #1b1b1b;
}

body {
  margin: 0;
  line-height: 1.6;
}

.hero {
  background: radial-gradient(circle at top left, #536dfe, #1a237e);
  color: #ffffff;
  padding: 4rem 1.5rem;
  text-align: center;
}

.hero__content {
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.hero p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.hero__cta {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  background-color: #ffca28;
  color: #1a237e;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero__cta:hover,
.hero__cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

main {
  padding: 3rem 1.5rem 4rem;
}

.section {
  max-width: 760px;
  margin: 0 auto 3rem;
  background-color: #ffffff;
  padding: 2.5rem;
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(26, 35, 126, 0.08);
}

.section--alt {
  background: linear-gradient(140deg, rgba(83, 109, 254, 0.1), rgba(255, 202, 40, 0.25));
}

.section h2 {
  margin-top: 0;
  font-size: 2rem;
}

.bullet-list {
  list-style: none;
  padding: 0;
}

.bullet-list li {
  margin-bottom: 1rem;
  padding-left: 1.75rem;
  position: relative;
}

.bullet-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: #536dfe;
  font-weight: 600;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  background-color: #536dfe;
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(83, 109, 254, 0.2);
}

.footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: rgba(27, 27, 27, 0.7);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .section {
    padding: 2rem;
  }
}