.tut-grid { gap: 18px; }
.tut h3 { margin: 14px 0 6px; }
.tut .play {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--night);
  cursor: pointer;
}
.tut .play img, .tut .play iframe { width: 100%; height: 100%; border: 0; object-fit: cover; display: block; }
.tut .play.soon { cursor: default; }
.tut .play.soon img { opacity: 0.45; }
.tut a.play { cursor: pointer; }
.tut a.play.soon img { opacity: 0.8; }
.tut .play.blank { background: repeating-linear-gradient(135deg, var(--soot), var(--soot) 12px, var(--panel) 12px, var(--panel) 24px); }
.tut .play-icon {
  position: absolute; inset: 0; margin: auto; width: 64px; height: 64px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--amber); color: var(--ink); font-size: 22px; padding-left: 4px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}
.tut .play:hover .play-icon, .tut .play:focus-visible .play-icon { background: var(--sodium); }
.tut .dur {
  position: absolute; right: 8px; bottom: 8px;
  background: rgba(9, 7, 5, 0.85); color: var(--paper);
  font-size: 12px; padding: 3px 8px; border-radius: 6px;
}