/* APBE case study; scoped presentation. */
.qh-case [id]{scroll-margin-top:105px}
.qh-case .pd-hero{background:linear-gradient(115deg,#f2f4fa 0%,#faf7f8 72%,#f8ebf0 100%)}
.qh-case .pd-showcase{transform:rotate(1deg)}
.qh-case .pd-showcase img{border-radius:5px}
.qh-case .qh-status{margin-top:26px;font-size:11px;line-height:1.6;color:#62697a}
.qh-case .qh-platform{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:21px;padding:16px;border-radius:6px;background:#f6edf2;color:#684454;font-size:11px;line-height:1.6}
.qh-case .qh-platform strong{font-size:15px}
.qh-case .qh-platform svg{width:29px;height:29px}
.qh-case .qh-section{padding-block:68px}
.qh-case .qh-band{background:#f4f6fa;border-block:1px solid #e0e4ee}
.qh-case .qh-stages{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.qh-case .qh-stages>article{background:white;border:1px solid #dfe3eb;border-radius:12px;padding:34px}
.qh-case .qh-stage-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px}
.qh-case .qh-stage-head>span{font-size:45px;line-height:1;color:#a1aac1;letter-spacing:-.05em}
.qh-case .qh-stage-head>svg{width:35px;height:35px;color:#4b5c92}
.qh-case .qh-stage-label{font-size:10px;font-weight:bold;letter-spacing:.13em;color:#865f73;margin-bottom:18px}
.qh-case .qh-stages h3{font-size:25px;line-height:1.3;margin-bottom:22px}
.qh-case .qh-stages p:not(.qh-stage-label){font-size:15px;line-height:1.85;color:#4b5262;margin-bottom:17px}
.qh-case .qh-stages p:last-child{margin-bottom:0}
.qh-case .qh-entity{display:flex;justify-content:space-between;align-items:center;gap:40px;padding-block:45px}
.qh-case .qh-entity h2{font-size:29px;line-height:1.25}
.qh-case .qh-entity p:not(.pd-eyebrow){font-size:13px;color:#62697a;margin-top:15px}
.qh-case .qh-entity>a{flex-shrink:0}
.qh-case .qh-related{display:grid;grid-template-columns:1fr 1fr;gap:23px;margin-top:30px}
.qh-case .qh-related>a{display:block;border:1px solid #dfe3eb;border-radius:8px;padding:28px;text-decoration:none;background:#f8f9fc;transition:background .2s,border-color .2s}
.qh-case .qh-related>a:hover{background:#edf1f8;border-color:#4b5c92}
.qh-case .qh-related strong,.qh-case .qh-related>a>span{display:block}
.qh-case .qh-related strong{font-size:18px;color:#374a7b;margin-bottom:14px}
.qh-case .qh-related>a>span{font-size:14px;line-height:1.8;color:#62697a}
.qh-case .pd-cta{margin-top:0}
@media(max-width:950px){.qh-case .qh-stages{gap:22px}.qh-case .qh-stages>article{padding:28px}.qh-case .qh-entity{gap:25px}}
@media(max-width:680px){.qh-case .qh-section{padding-block:45px}.qh-case .qh-stages,.qh-case .qh-related,.qh-case .pd-service-grid{grid-template-columns:1fr}.qh-case .qh-stages>article{padding:25px}.qh-case .qh-stage-head{margin-bottom:22px}.qh-case .qh-stages h3{font-size:23px}.qh-case .qh-entity{display:block;padding-block:35px}.qh-case .qh-entity>a{margin-top:25px}.qh-case .qh-entity h2{font-size:26px}.qh-case .pd-showcase{transform:none}.qh-case .pd-service{padding:27px}.qh-case .pd-service p{font-size:14px}}

.qh-case{--pd-blue:#276c66;--pd-ink:#1b3045}.qh-case .pd-hero{background:linear-gradient(120deg,#edf6f3,#f8f9fb 65%,#f0ecfa)}.qh-case .pd-showcase{transform:none;padding:12px 12px 18px;overflow:hidden}.qh-case .pd-showcase img{margin:0 0 16px;border-radius:9px}.qh-case .qh-band{background:#f1f5f6}.qh-case .qh-tabs{display:flex;gap:12px;margin-bottom:22px}.qh-case .qh-tabs button{font:700 16px Arial,sans-serif;background:white;color:#1b3045;border:1px solid #b4c8c9;padding:15px 24px;border-radius:8px;cursor:pointer;min-height:50px;text-transform:none;letter-spacing:0}.qh-case .qh-tabs button[aria-selected=true]{background:#1b3045;color:#fff;border-color:#1b3045}.qh-case button:focus-visible,.qh-case [tabindex]:focus-visible{outline:3px solid #b57a00;outline-offset:4px}.qh-case .qh-panel{border:1px solid #c6d6d4;border-radius:14px;padding:35px;background:#fff;margin-top:20px}.qh-case .qh-panel[hidden]{display:none}.qh-case .qh-panel-head{display:flex;justify-content:space-between;gap:20px;color:#276c66;font-size:10px;letter-spacing:.12em;font-weight:bold;margin-bottom:22px}.qh-case .qh-panel h3{font-size:28px;margin-bottom:20px}.qh-case .qh-panel>p{color:#4b5262;max-width:860px;font-size:16px}.qh-case .qh-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:0;margin:32px 0;list-style:none;counter-reset:step}.qh-case .qh-flow li{position:relative;margin:0;padding:20px 17px;background:#eaf5f1;border:1px solid #c3ded4;border-radius:8px;min-width:0}.qh-case .qh-flow li:not(:last-child):after{content:"→";position:absolute;right:-19px;top:38px;color:#54736b}.qh-case .qh-flow strong,.qh-case .qh-flow span{display:block}.qh-case .qh-flow strong{font-size:16px;margin-bottom:5px}.qh-case .qh-flow span{font-size:12px;color:#4d655e}.qh-case .qh-note{padding:22px 25px;border-left:3px solid #398476;background:#f4f8f7;font-size:15px}.qh-case .qh-note p{margin-top:9px;color:#4b5262;line-height:1.8}.qh-case .qh-panel-holo .qh-flow li{background:#f1edfa;border-color:#d7cdec}.qh-case .qh-panel-holo .qh-flow span{color:#61546f}.qh-case .qh-panel-holo .qh-panel-head{color:#69518a}.qh-case .qh-panel-holo .qh-note{border-color:#8263ad;background:#f6f3fa}.qh-case .qh-chip{font-size:10px;font-weight:bold;letter-spacing:.1em;color:#386861}.qh-case .qh-symbol{display:block;font-size:38px;color:#91e6d0;margin-bottom:22px;line-height:1}.qh-case .qh-outcomes{margin-top:30px}.qh-case .qh-related strong{color:#276c66}.qh-case .qh-related>a:hover{background:#edf6f3;border-color:#276c66}.qh-case .qh-stages a{color:#276c66;text-underline-offset:3px}.qh-case .pd-table-scroll:focus-visible{outline:3px solid #b57a00;outline-offset:4px}
@media(max-width:950px){.qh-case .qh-flow{grid-template-columns:1fr 1fr}.qh-case .qh-flow li:nth-child(2):after{display:none}}
@media(max-width:680px){.qh-case .qh-panel{padding:23px}.qh-case .qh-panel-head{font-size:9px;letter-spacing:.05em;flex-wrap:wrap;gap:6px}.qh-case .qh-panel h3{font-size:24px}.qh-case .qh-panel>p{font-size:15px}.qh-case .qh-tabs{gap:10px}.qh-case .qh-tabs button{flex:1;padding:15px 12px;font-size:14px}.qh-case .qh-flow{grid-template-columns:1fr;gap:17px;margin:25px 0}.qh-case .qh-flow li{padding:14px 18px}.qh-case .qh-flow li:not(:last-child):after{content:"↓";display:block;top:auto;bottom:-19px;right:50%;line-height:17px}.qh-case .qh-flow strong{font-size:16px}.qh-case .qh-note{padding:17px;font-size:14px}.qh-case h1{font-size:40px}.qh-case .pd-showcase{padding:9px 9px 15px}}

.qh-case .qh-stage-head>.qh-chip{font-size:10px;line-height:1.5;letter-spacing:.1em;color:#386861}.qh-case .qh-stages>article{min-width:0}.qh-case .qh-stage-head{gap:15px}

/* BitAion joins the I+D group. */
.qh-case .pd-facts dl{grid-template-columns:repeat(5,minmax(0,1fr))}.qh-case .qh-tabs{flex-wrap:wrap}.qh-case .qh-panel-bitaion .qh-flow li{background:#fff5e4;border-color:#e7d0a8}.qh-case .qh-panel-bitaion .qh-panel-head,.qh-case .qh-panel-bitaion .qh-flow span{color:#775d32}.qh-case .qh-panel-bitaion .qh-note{background:#fff8ed;border-color:#b18740}.qh-case .qh-stage-head>.qh-chip{text-align:right;max-width:75%}.qh-case .pd-hero h1{font-size:clamp(36px,3.8vw,54px)}
@media(max-width:680px){.qh-case .pd-facts dl{grid-template-columns:1fr 1fr}.qh-case .qh-tabs button{font-size:13px;padding:13px 10px;min-width:88px}.qh-case .pd-hero h1{font-size:38px}}

/* Algorithm chapters for the three research lines. */
.qh-case .qh-algo-intro{max-width:880px;margin:24px 0 32px;color:#4b5262;font-size:16px;line-height:1.85}
.qh-case .qh-algo-nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:27px}
.qh-case .qh-algo-nav a{padding:13px 17px;border:1px solid #b8ceca;border-radius:6px;background:#f2f8f6;color:#235f59;font-size:13px;text-decoration:none}
.qh-case .qh-algo-nav a:hover{background:#e5f0ed}
.qh-case .qh-algo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.qh-case .qh-algo-card{min-width:0;background:white;border:1px solid #d6e0e4;border-radius:12px;padding:30px}
.qh-case .qh-algo-card h3{font-size:24px;line-height:1.3;margin-bottom:20px}
.qh-case .qh-algo-card p{font-size:15px;line-height:1.85;color:#4b5262;margin-bottom:17px}
.qh-case .qh-algo-card p:last-child{margin-bottom:0}
.qh-case .qh-algo-card code{font-family:ui-monospace,Consolas,monospace;font-size:.91em;overflow-wrap:anywhere;color:#284a60}
.qh-case .qh-equation{padding:21px;margin:22px 0;background:#edf4f5;border-radius:7px;border-left:3px solid #4e8580}
.qh-case .qh-equation code{display:block;font-size:14px;line-height:1.9}
.qh-case .qh-equation>span{display:block;margin-top:13px;color:#566675;font-size:12px;line-height:1.6}
.qh-case #qh-algoritmos-holonet .qh-equation{background:#f2eef8;border-color:#8a72b0}
.qh-case #qh-algoritmos-bitaion .qh-equation{background:#fff5e4;border-color:#aa8139}
.qh-case .qh-reading{margin-top:25px;font-size:13px;color:#516578}
.qh-case .qh-reading a{text-underline-offset:3px}
.qh-case .qh-extensions{margin-top:30px;border:1px solid #d6c7ae;border-radius:10px;background:#fffaf2}
.qh-case .qh-extensions summary{padding:24px 28px;cursor:pointer;font-size:18px;font-weight:bold;color:#604921}
.qh-case .qh-extensions summary:focus-visible{outline:3px solid #b57a00;outline-offset:4px}
.qh-case .qh-extensions>.qh-algo-grid{padding:0 24px 24px}
@media(max-width:680px){.qh-case .qh-algo-grid{grid-template-columns:1fr;gap:20px}.qh-case .qh-algo-card{padding:24px}.qh-case .qh-algo-card h3{font-size:22px}.qh-case .qh-equation{padding:16px}.qh-case .qh-equation code{font-size:12px}.qh-case .qh-extensions>.qh-algo-grid{padding:0 14px 14px}.qh-case .qh-extensions summary{padding:22px;font-size:17px}.qh-case .qh-algo-nav{display:grid;grid-template-columns:1fr}}