/* /brand page styles — tokens/base only. */
.section--alt { background: var(--ink-0); border-block: 1px solid var(--hair); }
.bk-h3 { font-size: var(--fs-xl); margin: 56px 0 18px; }
.bk-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--hair); background: radial-gradient(120% 90% at 78% 40%, #161c24 0%, var(--ink-1) 52%, var(--ink-0) 100%); }
.bk-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; background-image: linear-gradient(var(--hair) 1px, transparent 1px), linear-gradient(90deg, var(--hair) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(70% 70% at 78% 45%, #000, transparent); -webkit-mask-image: radial-gradient(70% 70% at 78% 45%, #000, transparent); }
.bk-hero__in { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; min-height: min(760px, calc(100vh - 100px)); padding-block: 56px; }
.bk-hero h1 { font-size: var(--fs-hero); margin: 18px 0 22px; }
.bk-hero__mark { position: relative; display: grid; justify-items: center; gap: 18px; }
.bk-mark-stage { width: min(440px, 78vw); aspect-ratio: 1; color: var(--bone); filter: drop-shadow(0 0 60px rgba(255, 75, 31, .12)); }
.lk svg { width: 100%; height: 100%; overflow: visible; display: block; }
.lk .br, .lk .rbody, .lk .leg { transform-box: fill-box; }
.lk.play .br { animation: lk-br .6s var(--ease) both; }
.lk.play .br0 { --dx: -34px; --dy: -34px; } .lk.play .br1 { --dx: 34px; --dy: -34px; animation-delay: .04s; }
.lk.play .br2 { --dx: -34px; --dy: 34px; animation-delay: .08s; } .lk.play .br3 { --dx: 34px; --dy: 34px; animation-delay: .12s; }
@keyframes lk-br { from { opacity: 0; transform: translate(var(--dx), var(--dy)); } to { opacity: 1; transform: none; } }
.lk.play .rbody { animation: lk-r .5s .28s var(--ease) both; }
@keyframes lk-r { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.lk .legrect { transform-box: fill-box; transform-origin: top; }
.lk.play .legrect { animation: lk-leg .5s .62s cubic-bezier(.7, 0, .2, 1) both; }
@keyframes lk-leg { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.bk-replay { opacity: .8; }
@media (prefers-reduced-motion: reduce) { .lk.play .br, .lk.play .rbody, .lk.play .legrect { animation: none; } }

.bk-pillars article h4 { font-size: var(--fs-xl); }
.bk-lines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--hair); }
.bone { color: var(--bone); }

.bk-logo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.bk-tile { margin: 0; display: grid; grid-template-rows: 1fr auto; min-height: 280px; padding: 28px; }
.bk-tile--hero { grid-column: span 2; }
.bk-tile > div { display: grid; place-items: center; min-height: 0; }
.bk-tile img { max-width: 100%; max-height: 190px; width: auto; height: auto; }
.bk-tile--hero img { max-height: 210px; }
.bk-tile figcaption { margin-top: 18px; font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--text-3); }

.bk-anatomy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.bk-anatomy__art { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1; margin: 0 auto; padding: 8%; color: var(--bone); }
.bk-anatomy__art svg { width: 100%; height: 100%; }
.bk-anatomy__art .pin { position: absolute; display: flex; align-items: center; gap: 8px; font: 500 10.5px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--raid); white-space: nowrap; }
.bk-anatomy__art .pin i { width: 7px; height: 7px; background: var(--raid); display: block; box-shadow: 0 0 0 4px rgba(255, 75, 31, .2); }
.bk-anatomy__list { margin: 0; padding-left: 20px; display: grid; gap: 16px; color: var(--text-2); }
.bk-anatomy__list b { color: var(--text); }
.bk-two { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 32px; }
.bk-clear { padding: 28px; display: grid; place-items: center; background: var(--surface); }
.bk-clear svg { width: 100%; height: auto; max-height: 220px; color: var(--bone); }
.bk-sizes { padding: 24px; display: flex; flex-wrap: wrap; align-items: flex-end; align-content: flex-end; gap: 28px; color: var(--bone); min-height: 278px; }
.bk-sizes figure { margin: 0; display: grid; gap: 8px; justify-items: start; }
.bk-sizes figcaption { font: 400 10px/1 var(--font-mono); letter-spacing: .1em; color: var(--text-3); text-transform: uppercase; }
.bk-sizes svg { height: auto; }
.bk-misuse { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.bk-miss { position: relative; min-height: 150px; padding: 20px 20px 44px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--hair); overflow: hidden; }
.bk-miss img { width: 72%; max-height: 64px; object-fit: contain; }
.bk-miss::after { content: "✕"; position: absolute; top: 10px; right: 12px; font: 700 14px var(--font-mono); color: var(--loss); }
.bk-miss span { position: absolute; left: 14px; bottom: 12px; right: 40px; font: 500 10.5px/1.3 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }

.bk-ratio { display: flex; height: 68px; border: 1px solid var(--hair); overflow: hidden; margin-bottom: 20px; }
.bk-ratio i { display: grid; align-items: end; padding: 8px 10px; font-style: normal; min-width: 0; }
.bk-ratio span { font: 500 10.5px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.bk-sw { background: var(--surface); border: 1px solid var(--hair); display: grid; }
.bk-sw__c { height: 112px; border-bottom: 1px solid var(--hair); position: relative; }
.bk-sw__c b { position: absolute; left: 12px; bottom: 10px; font: 600 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; mix-blend-mode: normal; }
.bk-sw__m { padding: 14px; display: grid; gap: 6px; }
.bk-sw__m .n { font: 800 22px/1 var(--font-display); text-transform: uppercase; letter-spacing: .01em; }
.bk-sw__m .v { font: 400 12px/1.4 var(--font-mono); color: var(--text-2); }
.bk-sw__m .u { font-size: 13px; color: var(--text-3); line-height: 1.4; }
.bk-sw.is-signal .bk-sw__m .n::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px; background: var(--c); }

.bk-type { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.bk-spec-d { font-size: clamp(40px, 5.4vw, 76px); margin: 18px 0 14px; }
.bk-spec-s { font: 400 20px/1.45 var(--font-sans); margin: 18px 0 14px; max-width: 34ch; }
.bk-spec-m { font: 500 22px/1.5 var(--font-mono); margin: 18px 0 14px; }
.bk-spec-p { font: italic 400 24px/1.4 var(--font-serif); margin: 18px 0 14px; max-width: 28ch; }
.bk-scale { margin-top: 16px; display: grid; gap: 4px; }
.bk-scale .r { display: grid; grid-template-columns: 90px 70px minmax(0, 1fr); align-items: baseline; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--hair); }
.bk-scale .r:last-child { border: 0; }
.bk-scale .k { font: 500 11px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.bk-scale .px { font: 400 12px/1 var(--font-mono); color: var(--text-4); }
.bk-scale .s { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-family: var(--font-display); font-weight: 800; text-transform: uppercase; line-height: 1; }

.bk-voice { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.bk-voice .panel { padding: 24px; }
.bk-voice blockquote { margin: 16px 0 0; padding-left: 14px; border-left: 2px solid var(--hair-2); font: 400 15px/1.55 var(--font-mono); color: var(--text-2); }
.bk-voice blockquote b { color: var(--raid); font-weight: 600; }
.bk-dont blockquote { border-left-color: color-mix(in srgb, var(--loss) 55%, transparent); }
.bk-dont s { color: var(--text-3); text-decoration-color: var(--loss); }
.bk-signoffs { gap: 10px; }

.bk-gl > .panel { display: block; }
.bk-demo-frame { padding: 20px; background: var(--surface-2); }
.bk-radar { display: block; width: 100%; max-width: 220px; margin: 14px auto 8px; }
.bk-sweep { transform-origin: 100px 100px; animation: bk-sweep 6s linear infinite; }
@keyframes bk-sweep { to { transform: rotate(360deg); } }
.bk-stamps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px 14px; margin-top: 10px; align-items: center; }
.bk-stamps img { width: 100%; height: auto; }

.bk-notice { padding: 18px 20px; margin: 18px 0 26px; max-width: 860px; }
.bk-filter { gap: 8px; margin-bottom: 18px; }
.bk-filter button { min-height: 34px; padding: 0 14px; background: transparent; color: var(--text-2); border: 1px solid var(--hair-2); font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; cursor: pointer; }
.bk-filter button[aria-selected="true"] { background: var(--raid); color: var(--raid-ink); border-color: var(--raid); }
.bk-assets { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.bk-asset { display: grid; grid-template-rows: auto 1fr auto; background: var(--surface); border: 1px solid var(--hair); min-width: 0; }
.bk-asset__p { position: relative; aspect-ratio: 4 / 3; overflow: hidden; min-width: 0; background-color: var(--ink-0); background-image: linear-gradient(45deg, #1a1f26 25%, transparent 25%, transparent 75%, #1a1f26 75%), linear-gradient(45deg, #1a1f26 25%, transparent 25%, transparent 75%, #1a1f26 75%); background-size: 16px 16px; background-position: 0 0, 8px 8px; border-bottom: 1px solid var(--hair); }
.bk-asset__p img { position: absolute; inset: 14px; width: calc(100% - 28px); height: calc(100% - 28px); object-fit: contain; }
.bk-asset.is-paper .bk-asset__p { background: var(--paper); }
.bk-asset__m { padding: 12px 14px 4px; display: grid; gap: 4px; }
.bk-asset__m b { font: 600 13px/1.3 var(--font-mono); word-break: break-all; }
.bk-asset__m span { font: 400 11px/1.4 var(--font-mono); color: var(--text-3); letter-spacing: .04em; }
.bk-asset__a { display: flex; gap: 8px; padding: 12px 14px 14px; }

.bk-gen { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 16px; align-items: start; }
.bk-gen__ctl { display: grid; gap: 16px; }
.bk-gen__out { padding: 16px; display: grid; place-items: center; min-height: 360px; background-color: var(--ink-0); }
.bk-gen__out canvas { width: 100%; height: auto; max-height: 480px; }
.bk-ink { display: flex; gap: 8px; flex-wrap: wrap; }
.bk-ink button { width: 36px; height: 36px; border: 2px solid transparent; background: var(--c); cursor: pointer; outline-offset: 2px; }
.bk-ink button[aria-checked="true"] { border-color: var(--bone); box-shadow: 0 0 0 2px var(--ink-1) inset; }

@media (max-width: 960px) {
  .bk-hero__in, .bk-anatomy, .bk-two, .bk-gen { grid-template-columns: minmax(0, 1fr); }
  .bk-hero__in { min-height: 0; }
  .bk-logo-grid, .bk-misuse { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-lines { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .bk-voice, .bk-type { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .bk-logo-grid, .bk-misuse { grid-template-columns: minmax(0, 1fr); }
  .bk-tile--hero { grid-column: auto; }
  .bk-stamps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-gl > .panel[style*="span 2"] { grid-column: auto !important; }
  .bk-scale .r { grid-template-columns: 70px minmax(0, 1fr); } .bk-scale .px { display: none; }
}