.bk-hero{position:relative;min-height:min(88vh,720px);display:grid;align-items:end;padding:7rem 1.25rem 3.5rem;color:#f4fffc;background:radial-gradient(ellipse 80% 60% at 70% 20%,rgba(159,232,216,.18),transparent 55%),linear-gradient(145deg,var(--hero-deep) 0%,var(--hero-mid) 48%,#0f7a6e 100%);overflow:hidden}.bk-hero-inner{max-width:var(--max);margin:0 auto;width:100%;display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:end}.bk-hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(2.8rem,7vw,4.6rem);letter-spacing:-.04em;line-height:.98;margin:.35rem 0 .75rem}.bk-hero h1 em{font-style:italic;font-weight:700;color:var(--mint, #9fe8d8)}.bk-hero-lede{max-width:28rem;margin:0;font-size:1.1rem;color:#f4fffcd1}.bk-hero-mark{justify-self:end;width:min(280px,70vw);height:auto;filter:drop-shadow(0 24px 40px rgba(0,0,0,.28))}.bk-section{max-width:var(--max);margin:0 auto;padding:4.5rem 1.25rem}.bk-section+.bk-section{border-top:1px solid var(--line)}.bk-section h2{font-family:var(--font-display);font-size:clamp(1.8rem,3.5vw,2.4rem);letter-spacing:-.03em;margin:0 0 .5rem}.bk-section>.bk-lede{color:var(--muted);max-width:36rem;margin:0 0 2rem}.bk-swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.bk-swatch{border:0;padding:0;text-align:left;background:transparent;cursor:pointer;font:inherit;color:inherit}.bk-swatch-chip{height:88px;border-radius:14px;border:1px solid var(--line);margin-bottom:.55rem}.bk-swatch strong{display:block;font-size:.92rem}.bk-swatch span{font-size:.82rem;color:var(--muted);font-variant-numeric:tabular-nums}.bk-logo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.bk-logo-tile{display:flex;flex-direction:column;gap:.75rem;padding:1.5rem;border-radius:18px;min-height:180px;justify-content:center;align-items:center;border:1px solid var(--line)}.bk-logo-tile img{max-width:100%;height:auto}.bk-logo-tile.on-dark{background:#0b1220;color:#f3f6f8;border-color:transparent}.bk-logo-tile.on-paper{background:var(--paper)}.bk-logo-tile.on-accent{background:var(--accent);color:#f4fffc;border-color:transparent}.bk-logo-cap{font-size:.82rem;font-weight:600;color:var(--muted);text-align:center}.bk-logo-tile.on-dark .bk-logo-cap,.bk-logo-tile.on-accent .bk-logo-cap{color:#f4fffcb8}.bk-type-stack{display:grid;gap:1.75rem}.bk-type-row{display:grid;grid-template-columns:140px 1fr;gap:1rem;align-items:baseline}.bk-type-label{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.bk-type-display{font-family:var(--font-display);font-size:clamp(2rem,4vw,3.2rem);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin:0}.bk-type-body{font-family:var(--font-body);font-size:1.15rem;margin:0;max-width:36rem}.bk-voice{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.bk-voice blockquote{margin:0;font-family:var(--font-display);font-size:clamp(1.4rem,2.5vw,1.85rem);font-weight:700;letter-spacing:-.03em;line-height:1.2}.bk-voice ul{margin:0;padding-left:1.1rem;color:var(--muted)}.bk-voice li{margin-bottom:.45rem}.bk-mascot-band{display:grid;grid-template-columns:.9fr 1.1fr;gap:2rem;align-items:center}.bk-mascot-band img{width:100%;max-width:360px;height:auto;justify-self:center}.bk-assets{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem 1.5rem}.bk-assets a{color:var(--accent-deep);font-weight:600;text-decoration:none}.bk-assets a:hover{text-decoration:underline}.bk-toast{position:fixed;bottom:1.25rem;left:50%;transform:translate(-50%) translateY(120%);background:var(--ink);color:#fff;padding:.65rem 1rem;border-radius:999px;font-size:.9rem;font-weight:600;transition:transform .35s ease;z-index:50;pointer-events:none}.bk-toast.show{transform:translate(-50%) translateY(0)}@media(max-width:820px){.bk-hero-inner,.bk-voice,.bk-mascot-band{grid-template-columns:1fr}.bk-hero-mark{justify-self:start;width:160px}.bk-swatches{grid-template-columns:repeat(2,1fr)}.bk-logo-row,.bk-type-row,.bk-assets{grid-template-columns:1fr}}