/* Concept case studies: extend DAT's existing charcoal and gold identity. */
.project-showcase{border-block:1px solid var(--line);background:#1b1d1f}
.project-showcase .section-heading{display:block;margin-bottom:24px}
.project-showcase .section-heading>p{max-width:780px;margin-top:18px}
.concept-note{font-size:13px!important;line-height:1.7;max-width:800px}
.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:34px}
.project-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:#202224;transition:border-color .2s,transform .2s}
.project-card:only-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center}
.project-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.project-card img{aspect-ratio:3/2;object-fit:contain;background:#f6f5f1;width:100%}
.project-card-copy{padding:25px}
.project-card .project-industry{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-light);margin-bottom:12px}
.project-card h3{font-size:27px;margin-bottom:12px}
.project-card p{font-size:15px;line-height:1.7}
.project-card .project-link{display:flex;justify-content:space-between;align-items:center;margin-top:22px;font-size:14px;font-weight:600;color:var(--gold-light)}
.showcase-film{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;align-items:center;margin-top:52px;padding-top:38px;border-top:1px solid var(--line)}
.showcase-film h3{font-size:28px;margin-bottom:15px}
.showcase-film p{font-size:15px}
.project-video{width:100%;height:auto;aspect-ratio:16/9;display:block;background:#0f1a28;border-radius:5px}
.case-main{padding-bottom:65px}
.case-hero{padding-block:46px 54px}
.case-breadcrumb{font-size:13px;color:var(--gold-light);display:inline-flex;min-height:44px;align-items:center;margin-bottom:20px}
.case-kicker{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--gold-light);margin-bottom:17px}
.case-hero h1{font-size:clamp(44px,6vw,72px);line-height:1.07}
.case-headline{font-size:clamp(24px,3vw,34px);color:var(--ink);line-height:1.25;max-width:820px;margin-top:17px}
.case-lead{font-size:18px;max-width:850px;margin-top:25px}
.case-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}
.case-tags span{padding:5px 11px;border:1px solid var(--line);border-radius:30px;font-size:12px;color:var(--muted)}
.case-tabs{display:flex;flex-wrap:wrap;gap:12px 25px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.case-tabs a{font-size:14px;color:var(--gold-light);padding:6px 0}
.case-tabs a:hover{text-decoration:underline;text-underline-offset:5px}
.case-section{padding-block:45px;border-top:1px solid var(--line)}
.case-section-continuation{border-top:0}
.case-section h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.025em;margin-bottom:24px}
.case-section h3{font-size:21px;margin-bottom:12px}
.case-section p+p{margin-top:15px}
.case-intro-grid,.case-scope-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px}
.case-intro-grid article,.case-scope-grid article{border-left:2px solid var(--gold);padding-left:22px}
.case-audience{margin-top:30px;padding:22px;border:1px solid var(--line);background:var(--surface);border-radius:5px}
.case-audience strong{display:block;margin-bottom:8px}
.case-audience p{font-size:14px}
.case-workflow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.case-workflow li{padding:20px 16px;background:var(--surface);border-radius:5px;border-top:2px solid var(--gold)}
.case-workflow .step{display:block;color:var(--gold-light);font-size:12px;margin-bottom:15px}
.case-workflow h3{font-size:17px;line-height:1.3}
.case-workflow p{font-size:13px;line-height:1.65}
.case-workflow .value-driver{margin-top:14px;color:#e5d6a3;font-size:12px}
.case-media{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:30px}
.case-media figure{margin:0;min-width:0}
.screenshot-frame{border:1px solid var(--line);border-radius:5px;background:#faf9f6;display:block;width:100%;overflow:hidden}
.screenshot-frame img{width:100%;aspect-ratio:3/2;object-fit:contain}
.case-media figcaption{margin-top:12px;font-size:13px;color:var(--muted)}
.case-media figcaption strong{display:block;margin-bottom:4px}
.media-footnote{font-size:12px;margin-top:12px}
.case-video-grid{display:grid;grid-template-columns:1.55fr .65fr;gap:28px;align-items:start}
.case-video-copy h3{font-size:25px}
.case-video-copy p{font-size:14px}
.case-video-copy a{display:inline-block;color:var(--gold-light);text-decoration:underline;text-underline-offset:4px;margin-top:18px;font-size:13px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.feature-grid article{background:var(--surface);border:1px solid var(--line);padding:25px;border-radius:5px}
.feature-grid h3{font-size:19px}
.feature-grid p,.case-scope-grid p{font-size:14px}
.case-scope-grid{gap:28px 40px}
.roi-intro{max-width:800px;margin-bottom:24px}
.roi-callout{color:var(--gold-light);font-size:13px;border-left:3px solid var(--gold);padding-left:14px;margin-bottom:26px}
.roi-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.roi-inputs,.roi-output{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:27px}
.roi-inputs h3,.roi-output h3{margin-bottom:18px}
.roi-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.roi-field{min-width:0}
.roi-field label{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin-bottom:7px}
.roi-field input{width:100%;height:44px;border:1px solid #64676c;border-radius:4px;background:#141618;color:var(--ink);padding:8px 11px;font:inherit;font-size:16px}
.roi-field input:invalid{border-color:#f29a92}
.roi-reset{margin-top:22px;padding:10px 15px;color:var(--gold-light);background:transparent;border:1px solid #d4af3770;cursor:pointer;border-radius:3px;font-size:13px;min-height:44px}
.roi-hero-number{font-size:66px;line-height:1.1;font-weight:600;color:var(--gold-light);letter-spacing:-.04em}
.roi-hero-label{font-size:13px;margin-top:8px}
.roi-metrics{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin-top:23px;padding-top:21px;border-top:1px solid var(--line)}
.roi-metrics div{font-size:12px;color:var(--muted)}
.roi-metrics strong{display:block;font-size:23px;line-height:1.25;margin-top:6px}
.roi-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:24px}
.roi-table th,.roi-table td{text-align:right;padding:11px 0;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.roi-table th:first-child,.roi-table td:first-child{text-align:left}
.roi-table th{font-size:11px;color:var(--muted);font-weight:500}
.roi-table tbody tr:last-child td{font-weight:600;color:var(--ink)}
.roi-output small{display:block;color:var(--muted);font-size:11px;line-height:1.6;margin-top:17px}
.roi-error{font-size:13px;color:#ffc3b7;margin-top:12px;min-height:21px}
.roi-formula{font-size:13px;padding:22px 0}
.roi-formula code{font:inherit;color:var(--gold-light)}
.case-details{margin-top:24px;border-top:1px solid var(--line)}
.case-details details{border-bottom:1px solid var(--line)}
.case-details summary{cursor:pointer;padding:20px 0;font-size:17px;font-weight:600;color:var(--ink)}
.case-details .details-content{padding:0 0 23px;max-width:980px}
.case-details li{font-size:14px;margin-bottom:10px;color:var(--muted)}
.case-details ul,.case-details ol{padding-left:21px;margin:12px 0 0}
.case-details .two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.case-details .two-col h3{font-size:18px}
.case-cta{padding:40px;background:#242628;border-radius:6px;margin-top:30px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.case-cta h2{font-size:31px;margin-bottom:12px}
.case-cta p{max-width:660px;font-size:15px}
.case-cta .button{flex-shrink:0}
.related-links{display:flex;flex-wrap:wrap;gap:13px 28px;margin-top:30px}
.related-links a{color:var(--gold-light);font-size:14px}
.video-transcript{margin-top:14px;font-size:13px}
.video-transcript summary{cursor:pointer;color:var(--gold-light)}
.video-transcript p{margin-top:12px}
.project-download{display:inline-flex;align-items:center;gap:15px;margin-top:22px;color:var(--gold-light);font-size:14px;min-height:44px}
@media(min-width:901px) and (max-width:1200px){.main-nav{gap:16px;font-size:13px}.nav-team{gap:12px}.brand img{width:200px}.header-inner{gap:22px}}
@media(max-width:1100px){
 .header-inner{min-height:91px;flex-wrap:wrap;gap:0;padding-block:12px}
 .brand img{width:175px}.menu-toggle:not([hidden]){display:flex;min-height:44px}
 .main-nav{width:100%;flex-wrap:wrap;gap:0 24px;padding-top:12px;padding-bottom:4px;font-size:14px}
 .main-nav>a{padding:11px 0}.main-nav>.nav-contact{margin:0;padding:11px 0;border:0;gap:12px}
 .js .main-nav{display:none}.js .main-nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0;padding-top:10px}
 .js .main-nav.is-open>a{padding:14px 2px;border-top:1px solid var(--line)}
 .js .main-nav.is-open>.nav-contact{justify-content:space-between}
 .js .main-nav.is-open .nav-team{justify-content:space-between;gap:12px;padding:8px 2px;border-top:1px solid var(--line)}
 .nav-team>a{padding-block:11px}
 .case-workflow{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:850px){.case-video-grid,.showcase-film{grid-template-columns:1fr}.case-video-copy{max-width:650px}.roi-layout{grid-template-columns:1fr}.case-cta{align-items:flex-start;flex-direction:column}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.project-grid,.case-intro-grid,.case-scope-grid,.case-media{grid-template-columns:1fr}.case-workflow{grid-template-columns:1fr}.case-workflow li{padding:20px}.case-workflow .step{margin-bottom:8px}.case-workflow h3{font-size:20px}.case-workflow p{font-size:14px}.feature-grid{grid-template-columns:1fr}.case-section{padding-block:35px}.case-hero{padding-block:28px 38px}.case-lead{font-size:16px}.case-headline{font-size:27px}.case-details .two-col{grid-template-columns:1fr}.roi-inputs,.roi-output{padding:22px}.roi-fields{gap:15px}.roi-field label{min-height:36px}.case-cta{padding:25px}.case-tags span{font-size:11px}.project-card-copy{padding:22px}.case-tabs{gap:9px 19px}}
@media(prefers-reduced-motion:reduce){.project-card:hover{transform:none}}
@media(max-width:650px){.project-card:only-child{grid-template-columns:1fr}}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }