/* ============================================================
   POWER USERS — switchable demo-video showcase
   shared by index.html + how-it-works.html
   design language: paper gray · ink outlines · cobalt · dot grid
   ============================================================ */

.powerusers {
  position: relative;
  padding: 7rem 1.4rem 5rem;
  max-width: 1180px;
  margin: 0 auto;
}
.powerusers .playground-head { margin-bottom: 2.4rem; }

/* ---------- tab row (individual pills) ---------- */
.pu-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  max-width: 100%;
  margin: 0 auto 1.9rem;
}
.pu-tab {
  padding: 0.5rem 1.05rem;
  border: 1.5px solid rgba(16, 16, 16, 0.28);
  border-radius: 999px;
  background: var(--card);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: lowercase;
  white-space: nowrap;
  color: rgba(16, 16, 16, 0.6);
  transition: color 0.25s var(--ease-out), background 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out);
}
.pu-tab:hover { color: var(--ink); border-color: var(--ink); }
.pu-tab.is-active,
.pu-tab.is-active:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #f2f5ff;
  box-shadow: inset 0 -2px 0 var(--blue-deep);
}
.pu-tab.is-soon {
  color: rgba(16, 16, 16, 0.34);
  border-color: rgba(16, 16, 16, 0.18);
  border-style: dashed;
  cursor: default;
}
.pu-tab.is-soon:hover {
  color: rgba(16, 16, 16, 0.34);
  border-color: rgba(16, 16, 16, 0.18);
}
.pu-tab-soon {
  margin-left: 0.4rem;
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  vertical-align: middle;
  color: var(--blue);
  opacity: 0.75;
}

/* ---------- video card (in-flow override of the absolute .art-card) ---------- */
.pu-card {
  position: relative;
  left: auto;
  top: auto;
  rotate: 0deg;
  width: 100%;
  max-width: 940px;
  margin: 0 auto;
}
.pu-title { font-weight: 560; }

.pu-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0c0c0c;
}
.pu-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
/* invisible guard so the passive loop can't be paused / click through to YouTube */
.pu-guard {
  position: absolute;
  inset: 0;
  z-index: 2;
  cursor: default;
}

/* ---------- coming-soon placeholder ---------- */
.pu-soon {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  color: rgba(242, 245, 255, 0.82);
  background:
    radial-gradient(circle at center, rgba(15, 79, 199, 0.22), transparent 68%),
    #131313;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.14) 1px, transparent 1.4px),
    radial-gradient(circle at center, rgba(15, 79, 199, 0.22), transparent 68%);
  background-size: 22px 22px, 100% 100%;
}
.pu-soon-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sticky);
}
.pu-soon-title { font-size: 1.15rem; font-weight: 600; }
.pu-soon-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  color: rgba(242, 245, 255, 0.5);
}

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .powerusers { padding: 4.5rem 1rem 3.5rem; }
  .pu-tabs { gap: 0.4rem; }
  .pu-tab { padding: 0.44rem 0.7rem; font-size: 0.62rem; }
  .pu-tab-soon { display: none; }
}