/* ==========================================================================
   Biriai Brand Kit page — extends site.css with the same tokens
   ========================================================================== */

.bk-hero { padding-bottom: clamp(56px, 7vw, 88px); }
.bk-section .section-head { align-items: start; }
.bk-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }

/* ---------- Colours ---------- */
.bk-colors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.bk-color { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); overflow: hidden; }
.bk-color__chip { height: 168px; }
.bk-color__chip.is-light { box-shadow: inset 0 -1px 0 var(--line-soft); }
.bk-color__body { display: flex; flex-direction: column; gap: 4px; flex: 1; padding: var(--space-5) var(--space-5) var(--space-4); }
.bk-color__name { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.01em; }
.bk-color__role { font-size: var(--fs-caption); line-height: 1.45; color: var(--c-slate); }
.bk-color__values { display: grid; gap: 2px; margin: var(--space-4) calc(var(--space-2) * -1) 0; }
.bk-value {
  display: flex; align-items: center; gap: 12px; width: 100%; min-height: 36px; padding: 0 var(--space-2);
  border-radius: var(--r-xs); text-align: left; transition: background-color var(--dur-fast) var(--ease);
}
.bk-value:hover { background: var(--c-offwhite); }
.bk-value:focus-visible { outline-offset: 0; }
.bk-value__k { flex: none; width: 36px; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.04em; color: var(--c-slate); }
.bk-value__v { flex: 1; min-width: 0; font-size: 0.875rem; color: var(--c-charcoal); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk-value__icon { width: 16px; height: 16px; color: var(--c-slate); opacity: 0; transition: opacity var(--dur-fast) var(--ease); }
.bk-value:hover .bk-value__icon, .bk-value:focus-visible .bk-value__icon { opacity: 1; }
@media (hover: none) { .bk-value__icon { opacity: 0.6; } }
@media (max-width: 960px) { .bk-colors { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .bk-colors { grid-template-columns: 1fr; } .bk-color__chip { height: 120px; } }

/* ---------- Logo and icon ---------- */
.bk-assets { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: var(--space-4); }
.bk-asset { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); overflow: hidden; }
.bk-asset__preview { display: grid; place-items: center; min-height: 320px; padding: var(--space-7); border-bottom: 1px solid var(--line-soft); }
.bk-asset__preview img { width: 64%; max-width: 380px; height: auto; }
.bk-asset--square .bk-asset__preview img { width: 36%; max-width: 160px; }
.bk-asset__meta { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-4); padding: var(--space-5); }
.bk-asset__title { font-size: 1.125rem; font-weight: 600; }
.bk-asset__dl { display: flex; gap: var(--space-2); }
@media (max-width: 860px) {
  .bk-assets { grid-template-columns: 1fr; }
  .bk-asset__preview { min-height: 220px; }
}