/* Keep the reference navigation geometry across all project-list experiments. */
body.m[class] { --nav-w: 236px; }
.m .site-nav { padding: 48px 30px; }
.m .site-nav .brand { font-size: 24px; line-height: 1.3; }
.m .site-nav nav { margin-top: 58px; gap: 14px; font: 14px/1.4 Arial, sans-serif; letter-spacing: 0; text-transform: none; }
.m .site-nav .site-contact { margin-top: auto; font: 13px/1.4 Arial, sans-serif; color: var(--muted); transition: color .2s ease; }
.m .site-nav .site-contact:hover { color: var(--brass); }
.m .detail-panel { display: block; padding: 0; }
.original-study { height: 100%; display: flex; flex-direction: column; }
.study-toolbar { display: flex; justify-content: flex-end; padding: 12px 20px; }
.study-toolbar button { background: transparent; border: 0; color: var(--muted); font: 13px var(--sans); cursor: pointer; padding: 8px; }
.study-toolbar button:focus-visible { outline: 1px solid var(--brass); }
.original-study iframe { display: block; width: 100%; flex: 1; min-height: 0; border: 0; background: var(--bg); }
@media (max-width: 860px) {
  .m .site-nav { padding: 22px 24px; }
  .m .site-nav .brand { font-size: 20px; }
  .m .site-nav nav { margin: 0 0 0 auto; gap: 17px; font-size: 12px; }
  .m .site-nav .site-contact { display: none; }
}