/* Animated method explainers (Method A + B) */
.m-anim button {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
}

.m-anim .ba-stage {
  border: solid 2px #efefef;
  border-radius: 8px;
  padding: 0.5em;
  background: #fff;
}

.m-anim svg { display: block; width: 100%; height: auto; font-family: "Source Sans Pro", Helvetica, sans-serif; }

.m-anim .ba-ctrl {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-top: 0.75em;
}

.m-anim .ba-play {
  width: 2.2em;
  height: 2.2em;
  flex: none;
  border-radius: 50%;
  background: #333;
  color: #fff;
  font-size: 0.75em;
  line-height: 2.2em;
}

.m-anim .ba-steps {
  flex: 1;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 4px;
}

.m-anim .ba-step {
  position: relative;
  overflow: hidden;
  padding: 0.45em 0.6em 0.55em;
  border-radius: 5px;
  background: #f4f4f4;
  font-size: 0.75em;
  line-height: 1.3em;
  text-align: left;
  color: #888;
}

.m-anim .ba-step:hover { color: #333; }
.m-anim .ba-step.on { color: black; }
.m-anim .ba-step b { color: inherit; font-weight: normal; margin-right: 0.35em; opacity: 0.6; }

.m-anim .ba-step i {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: var(--accent);
}

.m-anim .ba-text {
  margin: 0.6em 0 0 0;
  min-height: 3.2em;
  font-size: 0.9em;
  line-height: 1.6em;
  color: #555;
}

#ba-anim .ba-vid {
  position: absolute; inset: 0; border-radius: 8px; background: #fff; opacity: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5em; padding: 1em 1.5em;
}
#ba-anim .ba-vcol { display: flex; flex-direction: column; gap: 0.4em; min-height: 0; }
#ba-anim .ba-vlab { font-size: 0.88em; }
#ba-anim .ba-vbox { position: relative; flex: 1; min-height: 0; border: 3px solid; border-radius: 6px; overflow: hidden; background: #111; }
#ba-anim .ba-vbox video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#ba-anim .ba-vbox em { position: absolute; left: 0.5em; top: 0.5em; padding: 0.1em 0.5em; border-radius: 4px; color: #fff; font-style: normal; font-size: 0.75em; }
#ba-anim .ba-vbar { position: relative; height: 1.5em; border-radius: 4px; overflow: hidden; background: #eee; }
#ba-anim .ba-vbar span { position: absolute; top: 0; bottom: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.65em; white-space: nowrap; overflow: hidden; border-right: 1px solid #fff; }
#ba-anim .ba-vbar span.irr { background: repeating-linear-gradient(45deg, #e2e2e2 0 4px, #cfcfcf 4px 8px); color: #666; }
#ba-anim .ba-vbar i { position: absolute; top: -2px; bottom: -2px; width: 3px; margin-left: -1px; background: #222; }

/* (B) input clips: the head-camera footage is dim; same brightening as the Alignment Results videos.
   The deployment video is a bright third-person view and is left as is. */
#vam-anim video[data-in-vid] { filter: brightness(1.4) contrast(1.05) saturate(1.15); }
#vam-anim video[data-in-vid=h] { filter: brightness(1.1) contrast(1.05) saturate(1.1); }   /* human clip is brighter */

/* (A) aligned demos: same brightening as the other head-camera clips (human clip is already brighter) */
#ba-anim video[data-v] { filter: brightness(1.4) contrast(1.05) saturate(1.15); }
#ba-anim video[data-v=human] { filter: brightness(1.1) contrast(1.05) saturate(1.1); }