/* Common Ground research narrative; intentionally scoped to this case study. */
.common-study .scope-facts>div{border:0;padding:14px 0}
.common-study .scope-facts>div:first-child{padding-top:0}
.common-study .scope-facts>div:last-child{border-bottom:0}
.common-study .section-nav{gap:22px;margin:28px 0 40px}
.common-study .outcome-summary{gap:40px}
.common-study .outcome-summary h2{margin-bottom:10px}
.common-study .outcome-summary .note{margin:0;max-width:220px}
.common-study .followup-highlight{font-size:17px;line-height:1.6;max-width:700px;margin-top:18px;color:var(--ink)}
.common-study .followup-highlight strong{font-weight:600}
.common-study .study-section{margin-bottom:48px;padding-top:30px}
.common-study .study-section h2{font-size:32px;line-height:1.25;margin-bottom:24px}
.common-study .research-context{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;border-top:0;padding-top:0}
.common-study .interview-needs{padding-left:21px;margin:14px 0 0;font-size:18px;line-height:1.6}
.common-study .interview-needs li+li{margin-top:7px}
.common-study .research-question .eyebrow{margin-bottom:18px}
.common-study .research-question h2{font-size:33px}
.common-study .research-context p{font-size:18px;line-height:1.6}
.common-study .research-context h3,.common-study .decision-columns h3{font-size:17px;font-weight:600;line-height:1.4;margin:0 0 10px}
.common-study .research-approach h3:not(:first-child){margin-top:22px}
.common-study .research-context .note{font-size:16px;margin-top:18px}
.common-study .decision-columns{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.common-study .decision-columns p{font-size:18px;line-height:1.65}
.common-study .decision-columns p+p{margin-top:14px}
.common-study .discovery-evidence{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.common-study .discovery-copy h3{font-size:17px;font-weight:600;line-height:1.4;margin:0 0 10px}
.common-study .discovery-copy h3:not(:first-child){margin-top:24px}
.common-study .discovery-copy p{font-size:18px;line-height:1.65}
.common-study .discovery-evidence>figure{padding:24px;background:#f6f7fa;border:1px solid #e8e9ee;border-radius:12px;min-width:0}
.common-study .discovery-evidence>figure figcaption{font-size:14px;line-height:1.4;margin-bottom:16px}
.common-study .discovery-evidence>figure figcaption span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.common-study .discovery-evidence>figure figcaption strong{font-weight:500}
.common-study .discovery-evidence .artifact-detail{max-width:358px;margin:0 auto}
.common-study .research-quote{margin-top:20px}
.common-study .research-quote blockquote{font-size:20px;line-height:1.45;color:#29261e}
.common-study .research-quote mark{background:#fff8db;color:inherit;padding:.06em .16em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.common-study .research-quote figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.common-study .artifact-pair{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:28px;padding:24px;background:#f6f7fa;border:1px solid #e8e9ee;border-radius:12px}
.common-study .artifact-pair figure{min-width:0}
.common-study .artifact-pair figcaption{font-size:14px;color:var(--ink);line-height:1.4;margin-bottom:16px;min-height:46px}
.common-study .artifact-pair figcaption span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.common-study .artifact-pair figcaption strong{font-weight:500}
.common-study .artifact-detail{display:block;width:100%;height:auto;border-radius:8px;border:1px solid #d9dce3}
.common-study .light-artifact{background:#f7f7f5}
.common-study .dark-artifact{background:#0c1c24;border-color:#253b46}
.common-study .priority-comparison{padding-left:clamp(24px,7vw,90px);padding-right:clamp(24px,7vw,90px);gap:clamp(28px,5vw,64px)}
.common-study .priority-comparison .artifact-detail{max-height:365px}
.common-study .artifact-caption{font-size:14px!important;color:var(--muted);margin-top:12px;line-height:1.55!important}
.common-study .artifact-caption a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.common-study .followup-section>p:not(.eyebrow){max-width:860px;font-size:18px}
.common-study .feedback-findings{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin:28px 0 22px}
.common-study .feedback-findings dt{font-size:20px;line-height:1.35;font-weight:500;color:var(--accent);margin-bottom:12px}
.common-study .feedback-findings dd{margin:0;font-size:17px;line-height:1.6;max-width:290px}
.common-study .followup-section .feedback-context{font-size:14px!important;line-height:1.6;color:var(--muted)}
.common-study .copy-evidence{display:grid;grid-template-columns:190px 1fr;gap:8px 28px;border-top:1px solid var(--line);padding-top:22px;margin-top:24px;align-items:start}
.common-study .copy-evidence .eyebrow{font-size:12px;line-height:1.5}
.common-study .copy-evidence p:not(.eyebrow){font-size:19px;line-height:1.5;margin:0;max-width:640px}
.common-study .copy-evidence a{grid-column:2;font-size:14px}
.common-study .reflection-list{max-width:860px;margin:0;padding-left:22px;font-size:18px;line-height:1.65}
.common-study .reflection-list li+li{margin-top:14px}
.common-study .reflection-list strong{font-weight:600}
.common-study .prototype-link{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0}
.common-study .prototype-intro{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:24px}
.common-study .prototype-embed{display:block;width:100%;height:720px;height:clamp(580px,82svh,820px);border:1px solid #d9dce3;border-radius:12px;background:#f6f7fa}
.common-study .prototype-link h2{font-size:26px;margin-bottom:12px}
.common-study .prototype-link p{font-size:17px;color:var(--muted)}
.common-study .prototype-link .case-button{border:1px solid var(--accent);border-radius:28px;padding:13px 19px;color:var(--accent);font-size:14px;white-space:nowrap}
.common-study .prototype-link .case-button:hover{background:#f3f3fc}
.common-study footer{margin-top:48px}
@media(max-width:900px){
  .common-study .research-context{gap:32px}
  .common-study .decision-columns{gap:30px}
  .common-study .discovery-evidence{gap:30px}
  .common-study .priority-comparison{padding:24px;gap:28px}
}
@media(max-width:760px){
  .common-study .section-nav{gap:6px 18px;justify-content:flex-start;font-size:13px}
  .common-study .outcome-summary{gap:18px}
  .common-study .outcome-summary .note{max-width:none}
  .common-study .research-context,.common-study .decision-columns{grid-template-columns:1fr;gap:24px}
  .common-study .discovery-evidence{grid-template-columns:1fr;gap:24px}
  .common-study .discovery-evidence>figure{padding:18px;max-width:480px;width:100%;margin:0 auto}
  .common-study .interview-needs,.common-study .discovery-copy p{font-size:17px}
  .common-study .study-section h2,.common-study .research-question h2{font-size:28px}
  .common-study .research-context p,.common-study .decision-columns p{font-size:17px}
  .common-study .artifact-pair{padding:18px;gap:24px;grid-template-columns:1fr}
  .common-study .artifact-pair figure{max-width:480px;width:100%;margin:0 auto}
  .common-study .artifact-pair figcaption{min-height:0}
  .common-study .priority-comparison .artifact-detail{max-height:330px}
  .common-study .feedback-findings{grid-template-columns:1fr;gap:22px}
  .common-study .feedback-findings dt{font-size:20px;margin-bottom:6px}
  .common-study .feedback-findings dd{max-width:none}
  .common-study .reflection-list{font-size:17px}
  .common-study .copy-evidence{grid-template-columns:1fr;gap:10px}
  .common-study .copy-evidence a{grid-column:auto}
  .common-study .prototype-intro{align-items:flex-start;flex-direction:column;gap:20px}
  .common-study .prototype-embed{height:620px;height:clamp(500px,78svh,700px)}
}