/* =========================================================
   Section · 05 Drone swarm.
   ========================================================= */

/* ---------- Drone swarm ---------- */
.swarm {
  position: relative; overflow: hidden;
  padding-top: clamp(56px, 7vw, 96px);
  background:
    radial-gradient(110% 55% at 50% 100%, rgba(247, 148, 29, .55) 0%, rgba(247, 148, 29, .12) 45%, rgba(247, 148, 29, 0) 70%),
    linear-gradient(180deg, var(--night) 0%, var(--ink-deep) 62%, #3B2F7A 100%);
  color: #EEF0FF;
}
.swarm__head { position: relative; z-index: 2; display: grid; gap: 12px; }
.swarm__head h2 { max-width: 15em; font-size: clamp(36px, 5.2vw, 64px); letter-spacing: -.045em; line-height: 1.02; }
.swarm__lead { max-width: 36em; font-size: 18px; color: rgba(238, 240, 255, .72); }
.swarm__stage { position: relative; height: clamp(520px, 78vh, 800px); }
.swarm__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: none; touch-action: pan-y; }
.swarm__hint {
  position: absolute; top: 14px; right: max(16px, calc((100% - 1200px) / 2));
  font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: rgba(238, 240, 255, .45);
  pointer-events: none;
}
.swarm__hud {
  position: absolute; left: 0; right: 0; bottom: 22px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px;
  width: min(1200px, 100% - 2 * clamp(16px, 4vw, 40px)); margin-inline: auto;
  pointer-events: none;
}
.swarm__readout {
  display: flex; flex-wrap: wrap; gap: 6px 20px;
  font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(238, 240, 255, .5);
}
.swarm__readout b { margin-left: 6px; font-weight: 500; color: #fff; }
.swarm__chips { display: flex; gap: 8px; pointer-events: auto; }
.swarm__chips button {
  padding: 8px 14px; border-radius: 999px; cursor: pointer;
  font: 500 12px var(--mono); letter-spacing: .06em; color: rgba(238, 240, 255, .82);
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  transition: background-color .2s, color .2s, border-color .2s, transform .35s var(--servo);
}
.swarm__chips button:hover { background: rgba(255, 255, 255, .12); transform: translateY(-1px); }
.swarm__chips button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.swarm__chips button.is-on { background: var(--ink); border-color: var(--accent-light); color: var(--accent-light); }

@media (max-width: 760px) {
  .swarm__stage { height: 540px; }
  .swarm__hud { flex-direction: column; align-items: flex-start; }
  .swarm__chips { max-width: 100%; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
  .swarm__chips button { flex: none; }
}