:root{--bk-brand-blue:#009CD0;--bk-brand-orange:#F07D2D;--bk-brand-gray:#ACACAC;--bk-blue-50:#E8F6FB;--bk-blue-100:#CDEBF6;--bk-blue-500:var(--bk-brand-blue);--bk-blue-600:#0079A6;--bk-blue-700:#00618A;--bk-blue-800:#004C6D;--bk-orange-50:#FEF1E8;--bk-orange-100:#FCDDC7;--bk-orange-500:var(--bk-brand-orange);--bk-orange-600:#C2540C;--bk-orange-700:#A3460A;--bk-ink:#202124;--bk-text:#3D4451;--bk-muted:#5F6672;--bk-subtle:#8A919C;--bk-border:#E4E7EC;--bk-border-strong:#D0D5DD;--bk-surface:#F5F7FA;--bk-surface-2:#EEF2F6;--bk-white:#FFFFFF;--bk-success:#1E7F4F;--bk-success-bg:#E7F5EE;--bk-danger:#B42318;--bk-danger-bg:#FDECEA;--bk-warning:#8A5300;--bk-warning-bg:#FFF4E0;--bk-color-link:var(--bk-blue-600);--bk-color-link-hover:var(--bk-blue-700);--bk-color-primary:var(--bk-blue-600);--bk-color-accent:var(--bk-orange-600);--bk-color-heading:var(--bk-ink);--bk-color-body:var(--bk-text);--bk-focus-ring:0 0 0 3px rgba(0,156,208,.40);--bk-font:"DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;--bk-fs-h1:clamp(2rem,     1.45rem + 2.2vw,  3.5rem);--bk-fs-h2:clamp(1.625rem, 1.3rem  + 1.3vw,  2.375rem);--bk-fs-h3:clamp(1.25rem,  1.12rem + .55vw,  1.5rem);--bk-fs-h4:clamp(1.125rem, 1.07rem + .25vw,  1.25rem);--bk-fs-h5:1.0625rem;--bk-fs-h6:1rem;--bk-fs-lead:clamp(1.0625rem, 1rem + .3vw, 1.25rem);--bk-fs-body:1rem;--bk-fs-sm:.875rem;--bk-fs-xs:.8125rem;--bk-fs-nav:.9375rem;--bk-fw-regular:400;--bk-fw-medium:500;--bk-fw-semi:600;--bk-fw-bold:700;--bk-lh-tight:1.2;--bk-lh-snug:1.35;--bk-lh-body:1.65;--bk-ls-tight:-0.02em;--bk-space-1:4px;--bk-space-2:8px;--bk-space-3:12px;--bk-space-4:16px;--bk-space-5:20px;--bk-space-6:24px;--bk-space-7:32px;--bk-space-8:40px;--bk-space-9:48px;--bk-space-10:64px;--bk-space-11:80px;--bk-space-12:96px;--bk-section-y:clamp(48px, 2.5rem + 2.5vw, 80px);--bk-container:1200px;--bk-gutter:16px;--bk-radius-sm:6px;--bk-radius-md:10px;--bk-radius-lg:14px;--bk-radius-xl:20px;--bk-radius-pill:999px;--bk-shadow-xs:0 1px 2px rgba(16,24,40,.05);--bk-shadow-card:0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);--bk-shadow-hover:0 14px 28px -10px rgba(16,24,40,.16), 0 2px 6px rgba(16,24,40,.05);--bk-shadow-pop:0 18px 40px -12px rgba(16,24,40,.22);--bk-ease:cubic-bezier(.2,.7,.3,1);--bk-t-fast:150ms var(--bk-ease);--bk-t-base:200ms var(--bk-ease);--bk-t-slow:300ms var(--bk-ease);--bk-control-h:48px;--bk-control-h-sm:38px;--bk-header-h:76px}@media (max-width:767px){:root{--bk-control-h:46px;--bk-header-h:64px}}@media (prefers-reduced-motion:reduce){:root{--bk-t-fast:0ms linear;--bk-t-base:0ms linear;--bk-t-slow:0ms linear}}