/* Customer pages use plain sections; sending details are optional. */
.audience-brief,
.audience-hub { padding-bottom: 56px; }
.audience-brief h1,
.audience-brief h2,
.audience-brief h3,
.audience-hub h1,
.audience-hub h2 { letter-spacing: -.035em; }
.audience-brief-header { padding-block: 28px 36px; }
.audience-breadcrumb { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 18px; color: var(--slate); font-size: 14px; }
.audience-breadcrumb:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.audience-brief-header h1,
.audience-directory-header h1 { max-width: 880px; font-size: clamp(36px, 4vw, 52px); line-height: 1.18; }
.audience-brief-lead,
.audience-directory-lead { max-width: 72ch; margin-top: 22px; font-size: 18px; line-height: 1.8; }
.audience-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; margin-top: 25px; }
.audience-actions .button,
.audience-actions .text-button { min-height: 48px; font-size: 16px; }
.audience-actions .text-button { color: var(--blue); }
.audience-setup { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 35px; padding-block: 30px; border-top: 1px solid var(--line); }
.audience-setup h2 { font-size: 24px; line-height: 1.4; }
.audience-setup p { max-width: 70ch; font-size: 17px; line-height: 1.8; }
.audience-detail { border-block: 1px solid var(--line); }
.audience-detail > summary { padding-block: 20px; color: var(--ink); font-size: 18px; font-weight: 650; line-height: 1.6; cursor: pointer; }
.audience-detail > summary::marker { color: var(--blue); }
.audience-detail > summary:hover { color: var(--blue); }
.audience-detail-content { padding-bottom: 22px; }
.audience-review-list { margin: 0; }
.audience-review-list > div { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 35px; padding-block: 18px; border-top: 1px solid var(--line); }
.audience-review-list dt { font-size: 17px; font-weight: 700; line-height: 1.6; }
.audience-review-list dd { max-width: 70ch; margin: 0; color: var(--slate); font-size: 16px; line-height: 1.8; }
.audience-inventory { width: 100%; table-layout: fixed; border-collapse: collapse; font-size: 16px; line-height: 1.8; text-align: left; }
.audience-inventory caption { caption-side: bottom; padding-top: 14px; color: var(--slate); font-size: 13px; text-align: left; }
.audience-inventory th,
.audience-inventory td { padding: 18px 22px; vertical-align: top; }
.audience-inventory thead { background: var(--sky); }
.audience-inventory thead th { font-size: 14px; font-weight: 650; }
.audience-inventory thead th:first-child { width: 27%; }
.audience-inventory thead th:nth-child(2) { width: 30%; }
.audience-inventory tbody tr { border-bottom: 1px solid var(--line); }
.audience-inventory tbody th { color: var(--ink); font-size: 17px; font-weight: 700; }
.audience-inventory td { color: var(--slate); }
.audience-mobile-label { display: none; }
.audience-journey { margin: 0; padding-left: 24px; }
.audience-journey li { padding: 18px 0 18px 12px; }
.audience-journey li + li { border-top: 1px solid var(--line); }
.audience-journey li::marker { color: var(--blue); font-size: 16px; font-weight: 650; }
.audience-journey h3 { font-size: 20px; line-height: 1.4; }
.audience-journey p { max-width: 78ch; margin-top: 9px; font-size: 16px; line-height: 1.8; }
.audience-example-note { max-width: 85ch; margin-top: 17px; color: var(--slate); font-size: 14px; line-height: 1.8; }
.audience-resource-links,
.audience-related { display: flex; flex-wrap: wrap; gap: 6px 26px; margin-top: 16px; font-size: 14px; line-height: 1.7; }
.audience-resource-links a,
.audience-related a { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.audience-licence-note { max-width: 84ch; margin-top: 25px; font-size: 14px; line-height: 1.8; }
.audience-licence-note a,
.audience-reseller-path a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.audience-directory-header { padding-block: 50px 40px; }
.audience-directory { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 60px; }
.audience-directory > a { display: block; padding-block: 23px; border-top: 1px solid var(--line); }
.audience-directory h2 { font-size: 24px; line-height: 1.4; }
.audience-directory p { margin-top: 8px; font-size: 16px; line-height: 1.8; }
.audience-directory > a:hover h2 { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.audience-reseller-path { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 16px; line-height: 1.8; }

@media (max-width: 800px) {
 .audience-setup,
 .audience-review-list > div { grid-template-columns: 1fr; gap: 10px; }
 .audience-directory { column-gap: 30px; }
 /* Preserve table semantics while showing each sender as a simple vertical list. */
 .audience-inventory { display: block; table-layout: auto; }
 .audience-inventory thead { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
 .audience-inventory tbody,
 .audience-inventory caption { display: block; }
 .audience-inventory tbody tr { display: grid; grid-template-columns: 1fr; padding-block: 18px; }
 .audience-inventory tbody th { display: block; padding: 0 0 12px; font-size: 18px; }
 .audience-inventory td { display: block; padding: 7px 0; font-size: 16px; }
 .audience-mobile-label { display: block; margin-bottom: 3px; color: var(--ink); font-size: 14px; font-weight: 650; }
}
@media (max-width: 600px) {
 .audience-brief-header { padding-block: 20px 28px; }
 .audience-brief-header h1,
 .audience-directory-header h1 { font-size: 36px; }
 .audience-brief-lead,
 .audience-directory-lead { font-size: 17px; }
 .audience-directory-header { padding-block: 34px 30px; }
 .audience-directory { grid-template-columns: 1fr; }
 .audience-setup { padding-block: 25px; }
 .audience-setup h2 { font-size: 23px; }
 .audience-journey li { padding-left: 7px; }
}
@media (max-width: 380px) {
 .audience-brief-header h1,
 .audience-directory-header h1 { font-size: 34px; }
}