/* Owned exclusively by the use cases and trainer gallery. */
#use-cases .use-cases-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}
#use-cases .use-case{display:flex;gap:18px;padding:24px 0;border-top:1px solid var(--line);min-width:0}
#use-cases .use-case-number{color:var(--accent);font-size:15px;line-height:1.8;font-weight:700;flex:0 0 25px}
#use-cases h3{margin:0 0 10px;font-size:21px;line-height:1.35}
#use-cases .use-case-steps{display:flex;flex-wrap:wrap;gap:4px 0;padding:0;margin:0;list-style:none;color:var(--muted);font-size:16px;line-height:1.65}
#use-cases .use-case-steps li{display:inline}
#use-cases .use-case-steps li:not(:last-child)::after{content:' → ';color:var(--accent);white-space:pre;padding:0 5px}
#trainer-practice .trainer-stage{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);align-items:center}
#trainer-practice .trainer-media{width:100%;min-width:0;aspect-ratio:1;background:#edf2f7;border-radius:20px;overflow:hidden}
#trainer-practice video{display:block;width:100%;height:100%;object-fit:contain}
#trainer-practice .trainer-info{min-width:0;padding:12px 0}
#trainer-practice .trainer-intro{color:var(--muted);margin:0 0 26px;font-size:16px;max-width:42ch}
#trainer-practice .trainer-kind{color:var(--accent);margin:0 0 8px;font-size:14px;font-weight:700}
#trainer-practice h3{font-size:clamp(25px,3vw,36px);line-height:1.2;margin:0 0 16px;overflow-wrap:anywhere}
#trainer-practice .trainer-description{color:var(--text);font-size:18px;line-height:1.65;max-width:40ch;margin:0 0 20px}
#trainer-practice .trainer-note{font-size:14px;color:var(--muted);margin:0 0 16px}
#trainer-practice button{font:inherit;cursor:pointer}
#trainer-practice .trainer-play{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;background:var(--accent);color:#07111e;font-weight:700;border:0;border-radius:10px}
#trainer-practice .trainer-navigation{display:flex;gap:18px;align-items:center;margin-top:28px}
#trainer-practice .trainer-navigation button{width:46px;height:46px;background:transparent;color:var(--text);border:1px solid var(--line-strong);border-radius:10px;font-size:23px}
#trainer-practice [data-trainer-count]{color:var(--muted);font-variant-numeric:tabular-nums;font-size:14px;min-width:55px;text-align:center}
#trainer-practice .trainer-thumbnails{display:flex;gap:12px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;padding:8px 4px 14px;margin-top:24px;scrollbar-width:thin;scrollbar-color:var(--muted-2) transparent}
#trainer-practice .trainer-thumb{flex:0 0 132px;min-width:0;scroll-snap-align:start;background:transparent;color:var(--muted);border:2px solid transparent;border-radius:12px;padding:6px;text-align:left}
#trainer-practice .trainer-thumb img{display:block;width:116px;height:88px;object-fit:cover;border-radius:6px;background:#edf2f7}
#trainer-practice .trainer-thumb span{display:block;font-size:13px;line-height:1.35;padding-top:8px;overflow-wrap:anywhere}
#trainer-practice .trainer-thumb[aria-pressed="true"]{border-color:var(--accent);color:var(--text)}
#trainer-practice button:hover{filter:brightness(1.12)}
#trainer-practice button:focus-visible,#trainer-practice a:focus-visible,#trainer-practice video:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
#trainer-practice [hidden]{display:none!important}
#trainer-practice .trainer-error{color:var(--text);margin-top:12px}
#trainer-practice .trainer-error button{background:var(--panel-2);color:var(--text);border:1px solid var(--line-strong);padding:10px;border-radius:8px;min-height:44px}
@media(max-width:700px){
 #use-cases .use-cases-grid{grid-template-columns:1fr}
 #use-cases .use-case{padding:18px 0;gap:12px}
 #use-cases h3{font-size:19px;margin-bottom:7px}
 #use-cases .use-case-steps{font-size:15px}
 #trainer-practice .trainer-stage{grid-template-columns:1fr;gap:18px}
 #trainer-practice .trainer-info{padding:0}
 #trainer-practice .trainer-intro{display:none}
 #trainer-practice .trainer-description{font-size:16px;margin-bottom:16px}
 #trainer-practice .trainer-navigation{margin-top:16px}
 #trainer-practice .trainer-thumbnails{margin-top:16px}
 #trainer-practice .trainer-thumb{flex-basis:118px}
 #trainer-practice .trainer-thumb img{width:102px;height:78px}
}
@media(prefers-reduced-motion:reduce){#trainer-practice .trainer-thumbnails{scroll-behavior:auto}}