:root {
  --bg-1: #f7fafc;
  --bg-2: #eef5ff;
  --text: #15202b;
  --muted: #4a5764;
  --cta: #0056d6;
  --cta-hover: #0046af;
  --surface: #ffffff;
  --line: #d3deeb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #dceaff 0%, var(--bg-1) 42%, var(--bg-2) 100%);
  min-height: 100vh;
}

.shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 20px 32px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 10px;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.1;
}

.lede {
  margin: 14px 0 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
}

.detail-list {
  margin: 26px 0 0;
  padding-left: 20px;
  line-height: 1.7;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.cta {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  background: var(--cta);
  cursor: pointer;
}

.cta:hover,
.cta:focus-visible {
  background: var(--cta-hover);
}

.cta:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.secondary {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 18px;
  background: var(--surface);
}

.status {
  min-height: 1.3em;
  margin: 12px 0 0;
  color: var(--muted);
}

.other-subjects {
  margin-top: 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.subject-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.subject-links a {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--text);
  background: #f8fbff;
  font-size: 14px;
}

.footer-links {
  margin-top: 26px;
  display: flex;
  gap: 14px;
}

.footer-links a {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .shell {
    padding-top: 28px;
  }

  .lede {
    font-size: 16px;
  }
}