.validation-page .capability-hero h1 { max-width: 16ch; }
.validation-page .capability-hero-grid { gap: 2.5rem; }
.validation-page .capability-hero-figure figcaption { margin-top: .65rem; font-size: .8rem; color: #cec5ea; }
.validation-page .capability-hero-figure figcaption a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.validation-nav { background: #f0eef8; border-bottom: 1px solid var(--panel-border); }
.validation-nav .container { display: flex; gap: 1.8rem; overflow-x: auto; padding-block: .8rem; }
.validation-nav a { flex-shrink: 0; padding-block: .4rem; font-size: .83rem; font-weight: 700; }
.validation-methods { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.validation-method { display: flex; flex-direction: column; padding: 1.65rem; border: 1px solid #dcd9ed; border-radius: 16px; background: #fff; }
.validation-method h3 { font-size: 1.2rem; }
.validation-method p:not(.capability-model-kicker) { color: var(--muted); font-size: .94rem; }
.validation-method .capability-text-link { margin-top: auto; }
.validation-scope { margin: 1.4rem 0 0; color: var(--muted); font-size: .9rem; }
.validation-scope a { text-decoration: underline; text-underline-offset: 3px; }
.validation-workloads { display: grid; grid-template-columns: 1fr 1.15fr; gap: 3rem; align-items: start; }
.validation-workloads .capability-section-heading { margin-bottom: 1.5rem; }
.validation-workload-copy h3 { margin-top: 1.6rem; font-size: 1.13rem; }
.validation-workload-copy > p { color: var(--muted); font-size: .95rem; }
.validation-property-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.validation-property { margin: 0; min-width: 0; }
.validation-property > a { display: block; border: 1px solid #dcd9ed; border-radius: 14px; overflow: hidden; box-shadow: 0 14px 35px #26204f0d; }
.validation-property img { width: 100%; height: auto; display: block; }
.validation-property figcaption { padding-top: .8rem; color: var(--muted); font-size: .81rem; }
.validation-property figcaption strong { display: block; color: var(--ink); font-size: .94rem; }
.validation-property figcaption a { text-decoration: underline; text-underline-offset: 3px; }
.validation-test-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 1.5rem; align-items: start; }
.validation-test { padding: 2rem; border: 1px solid #dcd9ed; border-top: 4px solid var(--accent); border-radius: 18px; background: #fff; }
.validation-test h3 { font-size: 1.55rem; }
.validation-test > p:not(.capability-model-kicker) { color: var(--muted); font-size: .95rem; }
.validation-controls { margin: 1.4rem 0 1rem; }
.validation-controls > div { display: grid; grid-template-columns: 1fr 1.6fr; gap: 1rem; padding: .8rem 0; border-top: 1px solid #e4e1ed; }
.validation-controls dt { font-weight: 700; font-size: .9rem; }
.validation-controls dd { margin: 0; color: var(--muted); font-size: .9rem; }
.validation-impairments { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.4rem 0; padding: 0; list-style: none; }
.validation-impairments li { padding: .45rem .7rem; border-radius: 6px; background: #efecf9; color: #473b7b; font-size: .86rem; font-weight: 600; }
.validation-ber { margin-top: 1.5rem; padding-top: 1.4rem; border-top: 1px solid #dcd9ed; }
.validation-ber h4 { font-size: 1.1rem; }
.validation-ber p { color: var(--muted); font-size: .92rem; }
.validation-evidence-table { overflow-x: auto; margin-top: 2.3rem; border: 1px solid #dcd9ed; border-radius: 16px; }
.validation-evidence-table:focus-visible { outline: 3px solid #867eff; outline-offset: 4px; }
.validation-evidence-table table { width: 100%; border-collapse: collapse; text-align: left; font-size: .94rem; }
.validation-evidence-table caption { padding: 1.2rem 1.4rem; text-align: left; font-weight: 700; }
.validation-evidence-table th, .validation-evidence-table td { padding: 1rem 1.4rem; border-top: 1px solid #e5e2ef; vertical-align: top; }
.validation-evidence-table thead { background: #eeebf7; }
.validation-evidence-table tbody th { width: 25%; }
.validation-evidence-table td { color: var(--muted); }
.validation-links { display: flex; flex-wrap: wrap; gap: .4rem 1.8rem; margin-top: 1.2rem; }
.validation-resources { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2.5rem; }
.validation-resources a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem 0; border-top: 1px solid #dcd9ed; font-weight: 700; font-size: .94rem; }
.validation-resources a:hover { text-decoration: underline; text-underline-offset: 4px; }
.validation-page .capability-cta { margin-top: 3rem; }
@media (max-width: 980px) {
  .validation-methods { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .validation-workloads { grid-template-columns: 1fr 1fr; gap: 1.8rem; }
  .validation-test { padding: 1.5rem; }
  .validation-property-pair { gap: .8rem; }
}
@media (max-width: 760px) {
  .validation-page main .container { width: calc(100% - 2.5rem); }
  .validation-methods, .validation-workloads, .validation-test-grid, .validation-resources { grid-template-columns: 1fr; }
  .validation-page .capability-hero h1 { max-width: 16ch; }
  .validation-property-pair { max-width: 520px; justify-self: center; }
  .validation-controls > div { grid-template-columns: 1fr; gap: .3rem; }
  .validation-evidence-table th, .validation-evidence-table td { padding: .8rem; }
}
@media (max-width: 520px) {
  .validation-property-pair { grid-template-columns: 1fr; width: 100%; max-width: 315px; gap: 1.5rem; }
}