/* LCHSP — About page. Ported from about.jsx. AA-conscious label colors. */

/* HERO + timeline */
.lchsp .about-hero { padding: 64px 0 56px; border-bottom: 1px solid var(--rule); }
.lchsp .about-h1 { margin-top: 24px; max-width: 980px; }
.lchsp .about-h1 em { font-style: italic; color: var(--teal); }
.lchsp .about-lead { font-size: 19px; color: var(--ink-60); max-width: 720px; margin-top: 28px; }
.lchsp .timeline-strip { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); border-radius: 14px; overflow: hidden; }
.lchsp .timeline-cell { padding: 28px; background: var(--paper); border-right: 1px solid var(--rule); display: flex; flex-direction: column; gap: 10px; }
.lchsp .timeline-cell:last-child { border-right: none; }
.lchsp .timeline-cell.is-current { background: var(--teal); color: var(--paper); }
.lchsp .timeline-year { color: var(--ink-60); }
.lchsp .timeline-cell.is-current .timeline-year { color: color-mix(in srgb, var(--paper) 80%, transparent); }
.lchsp .timeline-title { font-family: var(--serif); font-size: 26px; letter-spacing: -0.01em; }
.lchsp .timeline-body { font-size: 14px; color: var(--ink-60); line-height: 1.45; }
.lchsp .timeline-cell.is-current .timeline-body { color: color-mix(in srgb, var(--paper) 90%, transparent); }
@media (max-width: 720px) { .lchsp .timeline-strip { grid-template-columns: 1fr; } .lchsp .timeline-cell { border-right: none; border-bottom: 1px solid var(--rule); } .lchsp .timeline-cell:last-child { border-bottom: none; } }

/* MODEL + principles */
.lchsp .about-model { padding: 96px 0; }
.lchsp .model-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; }
.lchsp .model-grid h2 { margin-top: 18px; }
.lchsp .model-p { font-size: 17px; margin-bottom: 20px; }
.lchsp .model-p-muted { color: var(--ink-60); }
.lchsp .principles { margin-top: 80px; border-top: 1px solid var(--rule); }
.lchsp .principle-row { display: grid; grid-template-columns: 120px 1fr 2fr; gap: 40px; padding: 36px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.lchsp .principle-num { color: var(--teal); }
.lchsp .principle-title { font-size: 26px; }
.lchsp .principle-body { font-size: 16px; color: var(--ink-60); max-width: 560px; }
@media (max-width: 960px) {
  .lchsp .model-grid { grid-template-columns: 1fr; gap: 24px; }
  .lchsp .principle-row { grid-template-columns: 60px 1fr; gap: 12px 20px; }
  .lchsp .principle-body { grid-column: 1 / -1; }
}

/* STRUCTURE diagram */
.lchsp .about-structure { padding: 96px 0; background: var(--cream); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.lchsp .structure-h2 { margin: 18px 0 48px; max-width: 720px; }
.lchsp .structure-card { border: 1px solid var(--rule-strong); border-radius: 14px; padding: 40px; background: var(--paper); }
.lchsp .structure-layer { text-align: center; }
.lchsp .structure-label { margin-bottom: 12px; }
.lchsp .structure-industry { display: inline-block; padding: 20px 48px; background: var(--navy-deep); color: var(--paper); border-radius: 12px; font-family: var(--serif); font-size: clamp(18px, 2vw, 26px); }
.lchsp .structure-arrow { color: var(--ink-40); font-size: 20px; margin: 12px 0; }
.lchsp .structure-committees { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.lchsp .structure-committee { padding: 24px; color: var(--paper); border-radius: 10px; font-family: var(--serif); font-size: 22px; }
.lchsp .structure-backbone { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lchsp .structure-bb { padding: 20px 16px; border: 1px solid var(--rule-strong); border-radius: 8px; font-size: 14px; font-weight: 500; line-height: 1.3; background: var(--cream); }
.lchsp .structure-bb.is-pending { opacity: 0.85; }
.lchsp .structure-bb-note { margin-top: 6px; color: var(--moss-deep); }
@media (max-width: 720px) {
  .lchsp .structure-committees { grid-template-columns: 1fr; }
  .lchsp .structure-backbone { grid-template-columns: 1fr 1fr; }
}

/* BACKBONE detail */
.lchsp .about-backbone { padding: 96px 0; }
.lchsp .backbone-intro { max-width: 720px; color: var(--ink-60); font-size: 17px; margin-bottom: 48px; }
.lchsp .backbone-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.lchsp .backbone-detail-card { border: 1px solid var(--rule); border-radius: 14px; padding: 32px; display: flex; gap: 24px; align-items: flex-start; }
.lchsp .backbone-detail-card.is-pending { opacity: 0.9; }
.lchsp .backbone-detail-abbr { width: 56px; height: 56px; border-radius: 10px; background: var(--teal-light); display: grid; place-items: center; font-family: var(--serif); font-size: 20px; color: var(--teal-deep); flex-shrink: 0; }
.lchsp .backbone-detail-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.lchsp .backbone-detail-name { font-family: var(--serif); font-size: 22px; }
.lchsp .backbone-detail-role { color: var(--ink-60); font-size: 15px; margin: 0; }
.lchsp .backbone-footnote { margin-top: 24px; font-size: 13px; color: var(--ink-60); font-style: italic; max-width: 720px; }
@media (max-width: 720px) { .lchsp .backbone-detail-grid { grid-template-columns: 1fr; } }

/* CO-LEAD callout */
.lchsp .about-colead { padding: 64px 0; }
.lchsp .colead-card { background: var(--ink); color: var(--paper); border-radius: 14px; padding: clamp(40px, 6vw, 72px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.lchsp .colead-card h2 { margin: 18px 0 20px; }
.lchsp .colead-body { opacity: 0.85; font-size: 17px; max-width: 520px; margin-bottom: 28px; }
.lchsp .colead-btn-outline { background: transparent; color: var(--paper); border: 1px solid color-mix(in srgb, var(--paper) 40%, transparent); }
.lchsp .colead-btn-outline:hover { background: color-mix(in srgb, var(--paper) 10%, transparent); }
.lchsp .colead-side { padding: 28px; border-radius: 12px; background: color-mix(in srgb, var(--paper) 8%, transparent); border: 1px solid color-mix(in srgb, var(--paper) 20%, transparent); }
.lchsp .colead-side-label { color: color-mix(in srgb, var(--paper) 70%, transparent); margin-bottom: 12px; }
.lchsp .colead-side-label + .colead-side-label, .lchsp .colead-side-value + .colead-side-sub ~ .colead-side-label { margin-top: 24px; }
.lchsp .colead-side-value { font-family: var(--serif); font-size: 24px; margin-bottom: 6px; }
.lchsp .colead-side-sub { font-size: 14px; opacity: 0.75; margin-bottom: 24px; }
.lchsp .colead-side-open { font-family: var(--serif); font-size: 24px; font-style: italic; color: color-mix(in srgb, var(--paper) 65%, transparent); }
@media (max-width: 960px) { .lchsp .colead-card { grid-template-columns: 1fr; gap: 32px; } }