:root {
  --ink: #10253f;
  --navy: #163a5f;
  --blue: #075ea8;
  --line: #cbd5e1;
  --bg: #eef4f8;
}

* { box-sizing: border-box; }
body {
  background: linear-gradient(135deg, #eaf2f8, #f8fafc);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  min-height: 100vh;
}
.session-chooser {
  margin: 0 auto;
  max-width: 1120px;
  padding: 64px 28px;
}
.eyebrow {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1, h2 { color: var(--navy); font-family: Georgia, "Times New Roman", serif; }
h1 { font-size: clamp(2.6rem, 7vw, 5rem); margin: 0.15em 0; }
.lede { font-size: 1.25rem; line-height: 1.6; max-width: 760px; }
.session-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 40px;
}
.session-card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 8px solid var(--blue);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgb(15 35 55 / 12%);
  padding: 30px;
}
.session-number { color: var(--blue); font-weight: 800; text-transform: uppercase; }
.session-card li { line-height: 1.45; margin: 0.5em 0; }
.session-link {
  background: var(--blue);
  border-radius: 8px;
  color: #fff;
  display: inline-block;
  font-weight: 800;
  margin-top: 16px;
  padding: 13px 18px;
  text-decoration: none;
}
.session-link:focus-visible, .session-link:hover { background: #03477f; outline: 4px solid #8ac4ed; }
.legacy-note { margin-top: 30px; }
.legacy-note a { color: var(--blue); }
@media (max-width: 760px) {
  .session-grid { grid-template-columns: 1fr; }
}