/* NEU-JKF Nordic · Blower Filter BF-90 PowerPulse, scroll-driven 3D section. v1 (2026-11-05).
   Everything is scoped to .bfx, so it can share a page with the other filter sections.
   Colours and fonts follow the NEU-JKF Nordic visual identity: Exo (display), Montserrat (text). */
.bfx{
  --bfx-bg:#0C1A33;          /* section background */
  --bfx-panel:rgba(12,26,51,.78);
  --bfx-rule:rgba(137,208,245,.18);
  --bfx-text:#FFFFFF;
  --bfx-muted:#C9D2E2;
  --bfx-label:#90A2C2;
  --bfx-accent:#89D0F5;      /* Clear Azure */
  --bfx-blue:#204485;        /* Oriental Blue */
  --bfx-font-display:"Exo","Montserrat",Arial,sans-serif;
  --bfx-font-body:"Montserrat",Arial,sans-serif;
  --bfx-offset:var(--njk-nav-h,72px);
  --bfx-length:720vh;        /* scroll distance for the whole story */
  background:var(--bfx-bg);color:var(--bfx-text);font-family:var(--bfx-font-body);
}
.bfx,.bfx *{box-sizing:border-box}
.bfx [hidden]{display:none!important}
.bfx-track{position:relative;height:var(--bfx-length)}
.bfx-stick{position:sticky;top:var(--bfx-offset);height:calc(100vh - var(--bfx-offset));height:calc(100svh - var(--bfx-offset));overflow:hidden;
  background:radial-gradient(120% 90% at 62% 45%,#11244A 0%,#0C1A33 55%,#08142A 100%)}
.bfx-stick>canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity .8s}
.bfx-stick>canvas.ready{opacity:1}
.bfx-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.bfx-ui{position:absolute;inset:0;pointer-events:none;max-width:1440px;margin-inline:auto;
  padding:calc(40px + env(safe-area-inset-top,0px)) max(20px,4vw) clamp(24px,6vh,72px);display:grid;grid-template-rows:auto 1fr}
.bfx-top{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.bfx-eyebrow{font:600 12px/1.2 var(--bfx-font-body);letter-spacing:.18em;text-transform:uppercase;color:var(--bfx-label);margin:0}
.bfx-bar{display:flex;gap:6px;width:min(300px,42vw)}
.bfx-bar i{flex:1;height:3px;background:var(--bfx-rule);transition:background .4s}
.bfx-bar i.on{background:var(--bfx-accent)}
.bfx-cards{position:relative;align-self:end;min-height:200px}
.bfx-card{position:absolute;left:0;bottom:0;width:min(460px,100%);background:var(--bfx-panel);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid var(--bfx-rule);border-radius:4px;padding:26px 28px;display:grid;gap:12px;opacity:0;transform:translateY(16px);transition:opacity .45s,transform .45s;pointer-events:none}
.bfx-card.on{opacity:1;transform:none;pointer-events:auto}
.bfx-card .bfx-eyebrow{color:var(--bfx-accent)}
.bfx-card h3{font:700 clamp(1.6rem,2.8vw,2.5rem)/1.05 var(--bfx-font-display);color:var(--bfx-text);letter-spacing:-.01em;margin:0;text-wrap:balance}
.bfx-card p{font-size:15px;line-height:1.55;color:var(--bfx-muted);margin:0}
.bfx-facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--bfx-rule);margin-top:4px}
.bfx-facts div{padding:12px 14px;border-right:1px solid var(--bfx-rule);display:grid;gap:3px}
.bfx-facts div:last-child{border-right:0}
.bfx-facts b{font:700 1.35rem/1 var(--bfx-font-display);color:var(--bfx-text)}
.bfx-facts span{font:500 11px/1.3 var(--bfx-font-body);color:var(--bfx-label);letter-spacing:.04em}
.bfx-btn{justify-self:start;display:inline-flex;gap:.6em;align-items:center;margin-top:4px;padding:13px 22px;border-radius:999px;background:var(--bfx-accent);color:#050E12;
  font:600 14px/1 var(--bfx-font-body);text-decoration:none;transition:transform .2s}
.bfx-btn:hover{transform:translateY(-2px);color:#050E12}
.bfx :focus-visible{outline:2px solid var(--bfx-accent);outline-offset:3px}
.bfx-labels span{position:absolute;left:0;top:0;font:600 11px/1 var(--bfx-font-body);letter-spacing:.14em;text-transform:uppercase;color:#E4E9EF;
  padding:8px 12px 8px 26px;border:1px solid rgba(137,208,245,.35);border-radius:999px;background:rgba(12,26,51,.75);white-space:nowrap;opacity:0;will-change:transform}
.bfx-labels span:before{content:"";position:absolute;left:11px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--bfx-accent)}
.bfx-fallback{position:absolute;inset:auto 0 50% 0;text-align:center;color:var(--bfx-muted)}
@media (max-width:760px){
  .bfx-card{padding:18px 20px}
  .bfx-card p{font-size:14px}
  .bfx-facts b{font-size:1.1rem}
  .bfx-labels span{font-size:9px;padding:6px 9px 6px 20px}
  .bfx-labels span:before{left:8px;width:6px;height:6px;margin-top:-3px}
}
@media (prefers-reduced-motion:reduce){.bfx *{transition:none!important}}
#section-configurators{scroll-margin-top:var(--njk-nav-h)}