/* styles.css */
:root {
  --maxw: 900px;
  --pad: 24px;
  --bg: #0f1720;
  --card: #0b1220;
  --accent: #7dd3fc;
  --muted: #94a3b8;
}
html,
body {
  height: 100%;
  margin: 0;
  background: linear-gradient(180deg, #071126 0%, #08192a 100%);
  font-family: Inter, Roboto, system-ui, -apple-system, "Segoe UI", Arial;
  color: #e6eef8;
}
main {
  height: 100vh;

  overflow-y: scroll;
  scroll-snap-type: y mandatory;
}
section.page {
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  scroll-snap-align: start;
}
.card {
  width: 100%;
  max-width: var(--maxw);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: var(--pad);
  box-shadow: 0 6px 30px rgba(2, 6, 23, 0.6);
}
h1,
h2 {
  margin: 0 0 12px 0;
}
p {
  line-height: 1.6;
  margin: 0 0 18px 0;
}
.choices {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
a.choice {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
  color: var(--accent);
  border: 1px solid rgba(125, 211, 252, 0.12);
}
a.choice:focus {
  outline: 3px solid rgba(125, 211, 252, 0.18);
}
.muted {
  color: var(--muted);
  font-size: 0.95rem;
}
.footnav {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-btn {
  background: none;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
}
.nav-btn:focus {
  outline: 3px solid rgba(255, 255, 255, 0.04);
}
@media (max-width: 560px) {
  .card {
    padding: 18px;
    border-radius: 8px;
  }
}