.museum{padding:36px 0 64px}
.museum h1{font-size:clamp(32px,5vw,52px);color:var(--teal-2);margin:8px 0 12px}
.lead{max-width:640px;color:var(--muted);margin-bottom:28px}
.stratum{border-top:1px solid var(--line);padding:22px 0 22px 0}
.stratum:nth-child(even){background:#dce8de;margin:0 -12px;padding-left:12px;padding-right:12px}
.yr{font-size:12px;letter-spacing:.18em;color:var(--rust);font-weight:700;margin-bottom:6px}
.stratum h2{font-size:20px;color:var(--teal-2);margin-bottom:8px}
.stratum p{color:var(--muted);margin-bottom:8px}
.kpi{color:var(--teal);font-weight:700}
.split{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}
.split div{border:1px solid var(--brass);padding:12px;font-size:14px;background:var(--panel)}
@media(max-width:720px){.split{grid-template-columns:1fr}}