/* Experiments. Approved AI Labs style (see CLAUDE.md): green and gold hero,
   roomy white cards, numbered sections, big text. */
.ex-main { padding-block: 28px 60px; max-width: 1480px; }
.ex-hero { grid-template-columns: auto minmax(0, 1fr); }
.ex-hero-icon { width: 120px; height: 120px; border-radius: 28px; display: grid; place-items: center; font-size: 4rem; background: rgb(255 255 255 / .14); border: 2px solid rgb(255 255 255 / .3); }
.ex-lead { font-size: 1.12rem; margin: 0 0 18px; }
.ex-pick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ex-pick.ex-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ex-card { position: relative; display: grid; align-content: start; gap: 10px; padding: 28px; border-radius: 24px; border: 3px solid var(--line); background: var(--bg); color: var(--ink); text-decoration: none; box-shadow: 0 8px 22px rgb(14 77 62 / .06); transition: transform .15s ease, border-color .15s ease; }
.ex-card:hover, .ex-card:focus-visible { border-color: var(--accent); transform: translateY(-3px); }
.ex-card:focus-visible { outline: 4px solid var(--chalk); outline-offset: 3px; }
.ex-card h3 { font-family: var(--font-display); font-size: 1.8rem; margin: 0; color: var(--deep); }
.ex-card p { margin: 0; font-size: 1.08rem; line-height: 1.5; }
.ex-icon { width: 84px; height: 84px; border-radius: 22px; display: grid; place-items: center; font-size: 2.8rem; background: var(--surface); box-shadow: 0 4px 12px rgb(14 77 62 / .12); }
.ex-badge { position: absolute; top: 18px; right: 18px; background: var(--chalk); color: var(--chalk-ink); border-radius: 999px; padding: 4px 12px; font-weight: 700; font-size: .85rem; }
.ex-meta { font-family: var(--font-mono); font-size: .82rem; color: var(--muted); }
.ex-go { margin-top: 6px; justify-self: start; background: var(--accent); color: var(--accent-ink); border-radius: 14px; padding: 12px 18px; font-weight: 700; }
.ex-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.ex-steps > div { background: var(--soft); border-radius: 20px; padding: 20px; }
.ex-steps span { font-size: 2.2rem; }
.ex-steps h3 { font-family: var(--font-display); font-size: 1.3rem; margin: 6px 0 4px; }
.ex-steps p { margin: 0; }
.ex-rd { margin: 0 0 18px; padding-left: 22px; display: grid; gap: 10px; font-size: 1.08rem; }
@media (prefers-reduced-motion: reduce) { .ex-card { transition: none; } .ex-card:hover { transform: none; } }
@media (max-width: 1100px) { .ex-pick { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ex-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) {
  .ex-pick, .ex-pick.ex-two, .ex-steps { grid-template-columns: minmax(0, 1fr); }
  .ex-hero { grid-template-columns: minmax(0, 1fr); }
  .ex-hero-icon { width: 84px; height: 84px; font-size: 2.8rem; }
  .ex-card { padding: 22px; }
}

/* Coming soon (Cyber Range): a gold flag, and the card stays clickable for the class code box. */
.ex-soon { border-style: dashed; }
.ex-soon-tag { display: inline-block; vertical-align: middle; font-size: .75rem; font-weight: 700; background: var(--chalk); color: var(--chalk-ink); border-radius: 999px; padding: 2px 10px; margin-left: 6px; }