/* Building-block pages (block-<key>.html). Uses the site tokens from styles.css; the Key Insights and
   case-study components keep their own styles (ki-849h7wv9d3.css, cs-o6b4nz4525.css). */

/* ---------------- title band ---------------- */
.bb-hero { background: var(--blue-900); color: #fff; padding: 112px 0 44px; }
.bb-hero-in { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: center; }
.bb-eye { font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--amber-2); }
.bb-eye b { color: #fff; }
.bb-hero h1 { margin: 10px 0 12px; font-size: clamp(34px, 5vw, 56px); line-height: 1.05; letter-spacing: -.02em; text-wrap: balance; color: #fff; }
.bb-q { margin: 0 0 10px; font-size: clamp(18px, 2vw, 22px); font-style: italic; color: #e7ebf7; }
.bb-desc { margin: 0 0 22px; font-size: 15px; color: var(--blue-200); max-width: 52ch; }
.bb-counts { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.bb-counts a { display: inline-flex; gap: 6px; align-items: baseline; padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.1);
  color: #fff; font-size: 13px; text-decoration: none; transition: background .2s; }
.bb-counts a:hover, .bb-counts a:focus-visible { background: var(--amber); color: var(--blue-900); outline: none; }
.bb-counts b { font-size: 15px; }
.bb-counts i { font-style: normal; opacity: .7; }
.bb-hero-photo .kic-photo { margin: 0; border-radius: var(--rad); overflow: hidden; box-shadow: var(--shadow-lg); }
.bb-hero-photo .kic-photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.bb-hero-photo figcaption { padding: 6px 10px; font-size: 11px; color: var(--blue-200); background: rgba(0,0,0,.25); }

/* ---------------- hop strip ---------------- */
.bb-hop { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.bb-hop .wrap { display: flex; align-items: center; gap: 14px; padding-block: 10px; }
.bb-hop-l { flex: none; font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.bb-hop ol { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.bb-hop ol::-webkit-scrollbar { display: none; }
.bb-hop a { display: inline-flex; gap: 6px; align-items: baseline; white-space: nowrap; padding: 6px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 600; color: var(--blue-700); background: var(--blue-100); text-decoration: none; }
.bb-hop a span { font-size: 11px; opacity: .65; }
.bb-hop a:hover, .bb-hop a:focus-visible { background: var(--blue-200); outline: none; }
.bb-hop a[aria-current] { background: var(--amber); color: var(--blue-900); }

/* ---------------- sections ---------------- */
.bb-sec { padding: 64px 0; scroll-margin-top: 60px; }
.bb-sec-alt { background: var(--paper-2); }
.bb-sec-h { margin-bottom: 26px; max-width: 760px; }
.bb-sec-h h2 { margin: 6px 0 0; font-size: clamp(26px, 3vw, 34px); line-height: 1.15; text-wrap: balance; }
.bb-sec-h p { margin: 10px 0 0; color: var(--muted); }
.bb-out { margin: 14px 0 0; font-size: 14px; font-weight: 600; }
.bb-out a { color: var(--blue-700); }

/* expandable panels ("Read more", "Read the whole section here") */
.bb-more { margin-top: 14px; border-top: 1px solid var(--line); }
.bb-more > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; padding: 12px 0; min-height: 44px;
  font-weight: 700; font-size: 14px; color: var(--blue-700); }
.bb-more > summary::-webkit-details-marker { display: none; }
.bb-more > summary::after { content: "▾"; transition: transform .2s; }
.bb-more[open] > summary::after { transform: rotate(180deg); }
.bb-more > summary:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; border-radius: 4px; }
.bb-more[open] > summary span::after { content: " (close)"; font-weight: 500; color: var(--muted); }
.bb-more-body { padding-bottom: 6px; }

/* ---------------- key insights ---------------- */
.bb-ins-list { display: grid; gap: 22px; max-width: 900px; }
.bb-ins { background: #fff; border: 1px solid var(--line); border-radius: var(--rad); padding: 26px 28px 14px; box-shadow: var(--shadow-sm); scroll-margin-top: 70px; }
.bb-ins-k { font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--amber); }
.bb-ins h3 { margin: 6px 0 12px; font-size: clamp(20px, 2.2vw, 24px); line-height: 1.25; color: var(--blue-900); text-wrap: balance; }
.bb-pull { margin: 0; padding: 4px 0 4px 18px; border-left: 4px solid var(--amber); font-size: 17px; line-height: 1.55; color: var(--ink); }
.bb-steps { list-style: none; margin: 4px 0 18px; padding: 0; display: grid; gap: 14px; }
.bb-steps li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; }
.bb-step-n { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--blue-100); color: var(--blue-700); font-weight: 700; font-size: 13px; }
.bb-steps h4 { margin: 2px 0 2px; font-size: 15px; color: var(--blue-900); }
.bb-steps p { margin: 0; font-size: 14.5px; line-height: 1.6; color: #3c4668; }
.bb-impl { background: var(--blue-100); border-radius: var(--rad-sm); padding: 14px 16px; margin: 0 0 16px; }
.bb-impl p { margin: 0; font-size: 15px; font-weight: 600; color: var(--blue-900); }
.bb-ins .kic-examples { margin-bottom: 4px; }

/* ---------------- case studies ---------------- */
.bb-cs-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.bb-cs { background: #fff; border-radius: var(--rad); border-left: 5px solid var(--amber); padding: 20px 22px 14px; box-shadow: var(--shadow-sm); min-width: 0; }
.bb-cs-who { font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--amber); }
.bb-cs h3 { margin: 6px 0 10px; font-size: 17px; line-height: 1.35; color: var(--blue-900); }
.bb-stat { display: flex; gap: 12px; align-items: baseline; background: var(--blue-100); border-radius: var(--rad-sm); padding: 10px 14px; margin: 10px 0; }
.bb-stat b { flex: none; font-size: 26px; line-height: 1; color: var(--blue-700); }
.bb-stat span { font-size: 13.5px; color: #3c4668; }
.bb-key { margin: 8px 0; font-size: 14.5px; line-height: 1.55; color: #3c4668; }
.bb-k { font-weight: 700; color: var(--blue-900); background: linear-gradient(0deg, rgba(247,148,30,.28), rgba(247,148,30,.28)) no-repeat 0 92% / 100% .32em; }
.bb-fade { position: relative; max-height: 4.8em; overflow: hidden; margin: 8px 0 0; font-size: 14.5px; color: #3c4668; }
.bb-fade::after { content: ""; position: absolute; inset: auto 0 0 0; height: 2.4em; background: linear-gradient(rgba(255,255,255,0), #fff); }
.bb-quote { display: flex; gap: 12px; align-items: flex-start; margin: 10px 0; padding: 12px 14px; background: #fdf0dd; border-radius: 0 var(--rad-sm) var(--rad-sm) 0; border-left: 3px solid var(--amber); }
.bb-quote img { width: 48px; height: 48px; border-radius: 50%; flex: none; display: inline-block; }
.bb-quote blockquote { margin: 0; font-style: italic; font-size: 14.5px; line-height: 1.5; color: var(--blue-900); }
.bb-quote figcaption { margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.bb-quote figcaption b { color: var(--ink); margin-right: 6px; }
.bb-quote figcaption span { display: block; }
.bb-cs-body { font-size: 14.5px; line-height: 1.65; color: #3c4668; }
.bb-cs-body p { margin: 0 0 12px; }
.bb-cs-h { margin: 16px 0 8px; font-size: 15px; color: var(--blue-900); }
.bb-lead { color: var(--blue-900); }
.bb-ul { margin: 0 0 12px; padding-left: 20px; }
.bb-ul li { margin-bottom: 6px; }
.bb-ul li::marker { color: var(--amber); }
.bb-callout, .bb-lessons { background: var(--paper); border-radius: var(--rad-sm); padding: 12px 14px; margin: 12px 0; }
.bb-lessons ol { margin: 0; padding-left: 20px; }
.bb-lessons li { margin-bottom: 6px; }
.bb-note { font-size: 12.5px; color: var(--muted); }
.bb-cs-body .csc { margin: 14px 0; }
.bb-cs-body .cs-photo { margin: 14px 0; }
.bb-soon { max-width: 760px; background: #fff; border: 1.5px dashed rgba(20,32,63,.22); border-radius: var(--rad); padding: 20px 22px; color: var(--muted); }
.bb-soon b { color: var(--ink); }
.bb-loading { color: var(--muted); }

/* ---------------- library ---------------- */
.bb-res-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.bb-res { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--rad-sm);
  padding: 12px; text-decoration: none; color: var(--ink); transition: box-shadow .2s, transform .2s; }
.bb-res:hover, .bb-res:focus-visible { box-shadow: var(--shadow); transform: translateY(-2px); outline: none; }
.bb-res-cover { width: 64px; height: 84px; border-radius: 4px; overflow: hidden; background: var(--blue-100); display: grid; place-items: center; }
.bb-res-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bb-res-cover span { font-size: 9px; text-align: center; padding: 4px; color: var(--blue-700); font-weight: 700; }
.bb-res-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.bb-res-type { font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--amber); }
.bb-res-text b { font-size: 14px; line-height: 1.35; color: var(--blue-900); }
.bb-res-meta { font-size: 12px; color: var(--muted); }
.bb-all { margin: 22px 0 0; }

/* ---------------- open questions + pager ---------------- */
.bb-gaps { max-width: 820px; background: #fff; border-radius: var(--rad); padding: 20px 24px; }
.bb-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-block: 40px 64px; }
.bb-pager a { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--rad); text-decoration: none;
  background: #fff; color: var(--blue-900); transition: box-shadow .2s; }
.bb-pager a:hover, .bb-pager a:focus-visible { box-shadow: var(--shadow); outline: none; }
.bb-pager span { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.bb-pager b { font-size: 18px; }
.bb-next { text-align: right; }

@media (max-width: 900px) {
  .bb-hero { padding-top: 96px; }
  .bb-hero-in { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .bb-cs-list { grid-template-columns: minmax(0, 1fr); }
  .bb-res-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .bb-hop-l { display: none; }
  .bb-sec { padding: 44px 0; }
  .bb-ins { padding: 20px 18px 10px; }
  .bb-res-grid { grid-template-columns: minmax(0, 1fr); }
  .bb-pager { grid-template-columns: minmax(0, 1fr); }
  .bb-next { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { .bb-res, .bb-counts a, .bb-more > summary::after { transition: none; } }