/* CASE 03 — Creative AI Methods Lab
   Dedicated layout layer. Kept separate from the shared stylesheet so the
   case study cannot inherit incomplete rules from earlier page versions. */

.case03-page figure{margin:0}
.case03-page video{display:block;width:100%;height:auto;background:#080909}
.case03-page .case-hero{padding-bottom:76px}
.case03-page .case-lede{max-width:760px}
.case03-page .case-meta{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 22px}
.case03-page .case-meta strong{display:block;line-height:1.35}
.case03-cover{aspect-ratio:16/9;min-height:0;max-height:720px;margin-top:48px}
.case03-cover img{height:100%;min-height:0;object-fit:cover;filter:brightness(.88) saturate(.92)}
.case03-cover figcaption{position:absolute;left:18px;right:18px;bottom:18px;display:flex;align-items:end;justify-content:space-between;gap:20px;padding:15px 18px;border:1px solid rgba(255,255,255,.14);border-radius:13px;background:rgba(12,13,14,.72);backdrop-filter:blur(14px);color:var(--text-soft);font-size:.75rem}
.case03-cover figcaption span{color:var(--accent);font-size:.64rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.case03-cover figcaption strong{font-size:.82rem;color:var(--text);font-weight:700;text-align:right}

.case03-index{margin-bottom:13px;color:var(--accent);font-size:.68rem;font-weight:900;letter-spacing:.2em;text-transform:uppercase}
.case03-intro{background:var(--bg-deep)}
.case03-intro-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
.case03-intro-grid h2,.case03-section-head h2{margin:0;font-size:clamp(2.7rem,5vw,5.5rem);line-height:.91;letter-spacing:-.055em}
.case03-intro-copy{max-width:760px}
.case03-intro-copy>p{margin-top:0}
.case03-thesis{margin-top:28px;padding:20px 22px;border-left:2px solid var(--accent);background:rgba(191,196,0,.055);border-radius:0 14px 14px 0}
.case03-thesis span{display:block;margin-bottom:7px;color:var(--accent);font-size:.64rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.case03-thesis p{margin:0;color:var(--text);font-size:1.13rem;line-height:1.45}

.case03-experiment{background:var(--bg)}
.case03-dark-section{background:var(--bg-deep)}
.case03-section-head{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:end;margin-bottom:36px}
.case03-section-head .case-body{max-width:720px}
.case03-section-head.compact{margin-bottom:42px}
.case03-lab-card{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:42px;padding:30px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.012));box-shadow:0 18px 60px rgba(0,0,0,.16)}
.case03-copy{display:flex;flex-direction:column;gap:22px;min-width:0}
.case03-kicker{display:inline-flex;align-items:center;gap:10px;width:max-content;color:var(--accent);font-size:.68rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
.case03-kicker::before{content:"";width:22px;height:1px;background:var(--accent)}
.case03-role{padding:18px 20px;border-left:2px solid var(--accent);background:rgba(191,196,0,.055);border-radius:0 14px 14px 0}
.case03-role small{display:block;margin-bottom:8px;color:var(--accent);font-size:.62rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.case03-role p{margin:0;color:var(--text-soft);font-size:.88rem;line-height:1.6}
.case03-tags{display:flex;flex-wrap:wrap;gap:8px}
.case03-tags span{display:inline-flex;align-items:center;padding:8px 11px;border:1px solid rgba(191,196,0,.28);border-radius:999px;background:rgba(191,196,0,.08);color:var(--accent);font-size:.64rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}
.case03-test-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.case03-test-grid article{display:grid;gap:7px;min-width:0;padding:17px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.02)}
.case03-test-grid small{color:var(--accent);font-size:.62rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.case03-test-grid strong{color:var(--text);font-size:.95rem;line-height:1.2}
.case03-test-grid span{color:var(--muted);font-size:.8rem;line-height:1.5}
.case03-test-grid--wide{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.case03-test-grid--wide article{min-height:170px;padding:22px}
.case03-test-grid--wide strong{font-size:1.16rem}
.case03-test-grid--wide span{font-size:.86rem}

.case03-media-stack{display:grid;gap:26px;min-width:0}
.case03-media-block{display:grid;gap:10px;min-width:0}
.case03-media-label-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:22px}
.case03-media-label{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:.7rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.case03-media-label::before{content:"";width:18px;height:1px;background:var(--accent)}
.case03-media-meta{display:inline-flex;align-items:center;padding:6px 9px;border:1px solid rgba(255,255,255,.10);border-radius:999px;background:rgba(255,255,255,.035);color:var(--muted);font-size:.62rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.case03-video-wrap{position:relative;isolation:isolate;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#080909;box-shadow:0 22px 54px rgba(0,0,0,.22)}
.case03-video-wrap.is-vertical{justify-self:center;width:min(100%,330px)}
.case03-video{position:relative;z-index:1;display:block;width:100%;height:auto;background:#000}
.case03-video-overlay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;gap:14px;border:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.30));color:#fff;cursor:pointer;transition:opacity .24s ease,background .24s ease}
.case03-video-overlay:hover{background:linear-gradient(180deg,rgba(0,0,0,.14),rgba(0,0,0,.42))}
.case03-video-wrap.is-playing .case03-video-overlay,.case03-video-wrap.has-started .case03-video-overlay{opacity:0;pointer-events:none}
.case03-play-icon{position:relative;flex:0 0 auto;width:60px;height:60px;border-radius:999px;background:rgba(191,196,0,.94);box-shadow:0 10px 28px rgba(0,0,0,.3)}
.case03-play-icon::before{content:"";position:absolute;left:24px;top:18px;border-left:19px solid #171819;border-top:12px solid transparent;border-bottom:12px solid transparent}
.case03-play-copy{display:inline-flex;align-items:center;padding:10px 13px;border-radius:999px;background:rgba(12,12,12,.74);backdrop-filter:blur(6px);font-size:.75rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.case03-sheet{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.case03-sheet .case03-media-label-row{padding:12px 14px;border-bottom:1px solid var(--line)}
.case03-sheet img{display:block;width:100%;height:auto;cursor:pointer}
.case03-sheet.is-vertical img{width:min(100%,330px);margin-inline:auto}
.case03-sheet figcaption{padding:12px 14px;color:var(--text-soft);font-size:.78rem;line-height:1.5;border-top:1px solid var(--line)}
.case03-page main img:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

.case03-tests{background:var(--bg)}
.case03-closing-section{background:var(--bg-deep)}
.case03-end-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.case03-footer .copyright{margin-top:0}

@media(max-width:1100px){
  .case03-page .case-meta{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case03-section-head,.case03-intro-grid{grid-template-columns:1fr;gap:24px;align-items:start}
  .case03-lab-card{grid-template-columns:1fr;gap:30px}
  .case03-media-stack{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
  .case03-media-stack .case03-media-block,.case03-media-stack .case03-sheet{min-width:0}
  .case03-test-grid--wide{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:760px){
  .case03-page .case-meta{grid-template-columns:1fr}
  .case03-cover{aspect-ratio:4/3;margin-top:34px}
  .case03-cover figcaption{position:static;display:block;border-radius:0;border-left:0;border-right:0;border-bottom:0}
  .case03-cover figcaption strong{display:block;margin-top:5px;text-align:left}
  .case03-lab-card{padding:18px;border-radius:18px}
  .case03-media-stack{grid-template-columns:1fr}
  .case03-test-grid,.case03-test-grid--wide{grid-template-columns:1fr}
  .case03-test-grid--wide article{min-height:0}
  .case03-play-icon{width:54px;height:54px}
  .case03-play-icon::before{left:21px;top:16px;border-left-width:17px;border-top-width:11px;border-bottom-width:11px}
  .case03-play-copy{font-size:.7rem;padding:9px 11px}
}