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

body {
  font-family: "Segoe UI", sans-serif;
  color: #1f2937;
  background: linear-gradient(180deg, #eef2ff 0%, #f8fafc 40%, #ffffff 100%);
  min-height: 100vh;
}

.hero {
  text-align: center;
  background: linear-gradient(135deg, #0ea5e9, #2563eb);
  color: #ffffff;
  padding: 48px 20px;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.hero p {
  opacity: 0.95;
  margin-bottom: 18px;
}

.back-btn {
  display: inline-block;
  text-decoration: none;
  color: #2563eb;
  background: #ffffff;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 18px;
}

main {
  max-width: 900px;
  margin: 24px auto 40px;
  padding: 0 16px;
  display: grid;
  gap: 18px;
}

.card,
.quotes {
  background: #ffffff;
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
}

h2 {
  margin-bottom: 12px;
  color: #1e3a8a;
}

ol {
  padding-left: 22px;
  line-height: 1.8;
}

p {
  line-height: 1.7;
  margin-bottom: 10px;
}

blockquote {
  border-left: 4px solid #2563eb;
  background: #f8fbff;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 12px;
  line-height: 1.6;
}

blockquote span {
  color: #475569;
  font-weight: 600;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 640px) {
  .hero {
    padding: 36px 16px;
  }

  .hero h1 {
    font-size: 1.7rem;
  }
}