:root{
  --bn-bg:transparent;
  --bn-panel:rgba(12,16,23,.76);
  --bn-panel-2:rgba(16,22,33,.92);
  --bn-line:rgba(255,255,255,.10);
  --bn-line-strong:rgba(225,201,137,.42);
  --bn-text:#eef1f6;
  --bn-muted:#c8cfda;
  --bn-gold:#e1c989;
  --bn-gold-2:#b89757;
  --bn-shadow:0 18px 70px rgba(0,0,0,.36);
  --bn-radius:28px;
}
.bn-wrap{padding:34px 0 96px;color:var(--bn-text)}
.bn-shell{width:1180px;max-width:calc(100% - 36px);margin:0 auto}
.bn-card,.bn-hero-card,.bn-config,.bn-product-card,.bn-product-hero,.bn-section-card{background:linear-gradient(180deg, rgba(13,18,28,.94), rgba(8,11,18,.94));border:1px solid var(--bn-line);box-shadow:var(--bn-shadow);border-radius:var(--bn-radius);overflow:hidden}
.bn-kicker{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;border:1px solid rgba(225,201,137,.28);background:rgba(225,201,137,.08);color:var(--bn-gold);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.bn-title{font-family:Cinzel,serif;font-size:clamp(34px,5.2vw,64px);line-height:.95;letter-spacing:-.035em;margin:18px 0 12px}
.bn-title--md{font-size:clamp(28px,4vw,48px)}
.bn-lead{font-size:clamp(18px,2vw,24px);line-height:1.45;color:#fff0cf;margin:0 0 14px;max-width:820px}
.bn-copy{font-size:18px;line-height:1.75;color:var(--bn-muted);margin:0}
.bn-btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.bn-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:14px;border:1px solid rgba(255,255,255,.14);background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.20));color:var(--bn-text);font-weight:700;box-shadow:0 10px 28px rgba(0,0,0,.26);cursor:pointer;text-decoration:none}
.bn-btn:hover{transform:translateY(-1px)}
.bn-btn--gold{border-color:rgba(225,201,137,.72);background:linear-gradient(180deg, rgba(225,201,137,.34), rgba(184,151,87,.24) 58%, rgba(111,83,39,.24));color:#fff3cf}
.bn-btn--ghost{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.12))}
.bn-hero-card{position:relative;min-height:410px}
.bn-hero-card video,.bn-hero-card img,.bn-hero-card__shade{position:absolute;inset:0;width:100%;height:100%}
.bn-hero-card video,.bn-hero-card img{object-fit:cover}
.bn-hero-card__shade{background:
  linear-gradient(90deg, rgba(5,7,11,.82) 0%, rgba(5,7,11,.62) 34%, rgba(5,7,11,.20) 100%),
  linear-gradient(180deg, rgba(0,0,0,.04) 0%, rgba(0,0,0,.18) 100%)}
.bn-hero-card__body{position:relative;z-index:2;padding:38px 46px;max-width:740px;min-height:410px;display:flex;flex-direction:column;justify-content:center}
.bn-grid-3{display:grid;grid-template-columns:1.45fr .95fr .95fr;gap:20px;margin-top:28px}
.bn-story-main{position:relative;min-height:420px}
.bn-story-main img,.bn-story-side img{width:100%;height:100%;object-fit:cover;display:block}
.bn-story-main__cap,.bn-story-side__cap{position:absolute;left:0;right:0;bottom:0;padding:24px 24px 26px;background:linear-gradient(180deg, rgba(6,9,14,0), rgba(6,9,14,.82))}
.bn-story-main__cap h3,.bn-story-side__cap h3{font-family:Cinzel,serif;margin:0 0 8px;font-size:clamp(26px,3vw,40px)}
.bn-story-main__cap p,.bn-story-side__cap p{margin:0;color:var(--bn-muted);line-height:1.65}
.bn-story-side{position:relative;min-height:200px}
.bn-story-stack{display:grid;gap:20px}
.bn-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:56px 0 18px}
.bn-section-head--compact{margin-top:44px}
.bn-section-head > div:first-child{max-width:780px}
.bn-section-head p{margin-top:10px}
.bn-config{padding:18px}
.bn-config__shell{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px}
.bn-steps{padding:18px;border-radius:24px;background:linear-gradient(180deg, rgba(5,9,16,.92), rgba(10,18,30,.92));border:1px solid rgba(255,255,255,.08)}
.bn-steps__bar{height:8px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden;margin:8px 0 18px}
.bn-steps__bar span{display:block;height:100%;width:14%;background:linear-gradient(90deg, var(--bn-gold), #fff1c8)}
.bn-steps ol{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.bn-steps li{padding:12px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.02);color:var(--bn-muted);font-weight:700}
.bn-steps li.is-active{border-color:rgba(225,201,137,.42);background:rgba(225,201,137,.08);color:#fff}
.bn-steps li.is-done{color:#fff}
.bn-wizard{padding:16px 12px 12px}
.bn-step{display:none}
.bn-step.is-active{display:block}
.bn-step h3{font-family:Cinzel,serif;font-size:clamp(28px,3.4vw,44px);line-height:1.02;margin:4px 0 20px}
.bn-options{display:grid;gap:18px}
.bn-options--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.bn-options--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.bn-option{position:relative;border:1px solid var(--bn-line);border-radius:24px;overflow:hidden;background:linear-gradient(180deg, rgba(14,20,31,.88), rgba(8,12,18,.94));cursor:pointer;transition:.2s ease}
.bn-option:hover{transform:translateY(-2px)}
.bn-option.is-selected{border-color:rgba(225,201,137,.58);box-shadow:0 0 0 1px rgba(225,201,137,.16) inset}
.bn-option img{display:block;width:100%;height:190px;object-fit:contain;background:var(--bn-img-bg, #eef1f5);padding:12px}
.bn-option__body{padding:18px}
.bn-option__body strong{display:block;font-size:18px}
.bn-option__body span{display:block;margin-top:8px;line-height:1.65;color:var(--bn-muted)}
.bn-range-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:stretch}
.bn-range-card{padding:24px;border-radius:24px;border:1px solid var(--bn-line);background:linear-gradient(180deg, rgba(14,20,31,.88), rgba(8,12,18,.94))}
.bn-range-card__value{font-family:Cinzel,serif;font-size:clamp(44px,6vw,74px);line-height:1;margin-bottom:20px;color:#fff}
.bn-range-card input{width:100%}
.bn-range-card__labels{display:flex;justify-content:space-between;margin-top:10px;color:var(--bn-muted);font-weight:700}
.bn-range-visual{display:grid;grid-template-rows:minmax(0,1fr) auto;border-radius:24px;border:1px solid var(--bn-line);overflow:hidden;background:linear-gradient(180deg, rgba(14,20,31,.88), rgba(8,12,18,.94))}
.bn-range-visual img{display:block;width:100%;height:260px;min-height:0;object-fit:contain;background:var(--bn-img-bg, #eef1f5);padding:12px}
.bn-range-visual__cap{padding:16px 18px;border-top:1px solid var(--bn-line);color:var(--bn-muted);line-height:1.65}
.bn-nav{display:flex;justify-content:space-between;gap:12px;margin-top:20px}
.bn-result-stack{display:grid;gap:18px}
.bn-result-card{display:none;border:1px solid var(--bn-line);border-radius:24px;overflow:hidden;background:linear-gradient(180deg, rgba(14,20,31,.88), rgba(8,12,18,.94))}
.bn-result-card.is-visible{display:grid;grid-template-columns:1.05fr .95fr}
.bn-result-card__copy{padding:24px}
.bn-result-card__copy .bn-title--md{margin-top:10px}
.bn-result-card__meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 20px}
.bn-meta{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)}
.bn-meta b{display:block;color:var(--bn-gold);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}
.bn-slider{position:relative;overflow:hidden;border-radius:24px}
.bn-slider__track{display:flex;transition:transform .35s ease}
.bn-slider__slide{min-width:100%;position:relative;background:linear-gradient(180deg, rgba(250,252,255,.92), rgba(228,234,240,.86))}
.bn-slider__slide img{display:block;width:100%;height:100%;max-height:520px;object-fit:cover}
.bn-slider--product .bn-slider__slide img{height:250px;max-height:none;object-fit:cover}
.bn-slider__nav{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 10px;pointer-events:none}
.bn-slider__btn{pointer-events:auto;width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(7,10,16,.62);color:#fff;display:grid;place-items:center;cursor:pointer}
.bn-slider__dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px}
.bn-slider__dot{width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.42);border:0;padding:0;cursor:pointer}
.bn-slider__dot.is-active{width:22px;background:var(--bn-gold)}
.bn-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.bn-product-card__body{padding:18px}
.bn-product-card__top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.bn-product-card__top h3{font-family:Cinzel,serif;font-size:36px;line-height:.98;margin:0}
.bn-badge{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;border:1px solid rgba(225,201,137,.44);background:rgba(225,201,137,.08);color:var(--bn-gold);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.bn-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.bn-list li{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);color:var(--bn-muted);line-height:1.6}
.bn-list li strong{color:#fff}
.bn-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.bn-portfolio{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.bn-portfolio-card{overflow:hidden;border-radius:24px;border:1px solid var(--bn-line);background:linear-gradient(180deg, rgba(14,20,31,.88), rgba(8,12,18,.94))}
.bn-portfolio-card img{width:100%;display:block;aspect-ratio:4/5;object-fit:cover}
.bn-portfolio-card__body{padding:14px 16px}
.bn-portfolio-card__body h3{margin:0;font-size:18px}
.bn-cta{margin-top:42px;padding:26px 30px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:22px}
.bn-product-page{padding-top:30px}
.bn-breadcrumb{display:flex;gap:10px;align-items:center;color:var(--bn-muted);margin-bottom:18px}
.bn-breadcrumb a{color:var(--bn-muted)}
.bn-product-hero{padding:20px;display:grid;grid-template-columns:1.02fr .98fr;gap:20px}
.bn-product-info{padding:8px 4px}
.bn-product-info h1{font-family:Cinzel,serif;font-size:clamp(34px,4.3vw,58px);line-height:.95;margin:10px 0 12px}
.bn-product-info p{color:var(--bn-muted);font-size:17px;line-height:1.75}
.bn-spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.bn-spec{padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);color:var(--bn-muted);line-height:1.5}
.bn-spec strong{display:block;color:var(--bn-gold);font-size:12px;text-transform:uppercase;letter-spacing:.14em;margin-bottom:7px}
.bn-page-grid{display:grid;grid-template-columns:1fr 380px;gap:18px;margin-top:22px}
.bn-side-card{padding:20px}
.bn-side-card h3,.bn-main-card h2{font-family:Cinzel,serif;font-size:32px;line-height:1.02;margin:0 0 14px}
.bn-main-card{padding:24px}
.bn-main-card + .bn-main-card{margin-top:18px}
.bn-foot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.bn-mini-card{padding:18px}
.bn-mini-card h3{margin:0 0 10px;font-size:22px}
@media (max-width:1180px){
  .bn-grid-3,.bn-portfolio,.bn-products,.bn-foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bn-config__shell,.bn-product-hero,.bn-page-grid,.bn-result-card.is-visible,.bn-cta{grid-template-columns:1fr}
  .bn-range-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .bn-shell{max-width:calc(100% - 20px)}
  .bn-hero-card{min-height:360px}
  .bn-hero-card__body{padding:28px 24px;min-height:360px}
  .bn-grid-3,.bn-portfolio,.bn-products,.bn-options--3,.bn-options--2,.bn-foot-grid,.bn-spec-grid,.bn-result-card__meta{grid-template-columns:1fr}
  .bn-btn-row,.bn-actions,.bn-nav{flex-direction:column}
  .bn-btn,.bn-nav .bn-btn,.bn-actions .bn-btn{width:100%}
  .bn-product-card__top{flex-direction:column}
  .bn-steps{padding:14px}
  .bn-wizard{padding:8px 2px 2px}
  .bn-option img{height:150px}
}


.bn-section-head--solo{margin:40px 0 14px;align-items:center}
.bn-section-head--with-action{justify-content:space-between}
.bn-grid-3--use{grid-template-columns:1.55fr .95fr .92fr;gap:24px;align-items:stretch;margin-top:12px}
.bn-grid-3--use .bn-story-main{min-height:560px}
.bn-grid-3--use .bn-story-stack{grid-template-rows:repeat(2,minmax(0,1fr));align-items:stretch}
.bn-grid-3--use .bn-story-side--tight{min-height:268px}
.bn-grid-3--use .bn-story-side--tall{min-height:560px}
.bn-story-side--contain img{object-fit:contain;background:linear-gradient(180deg, rgba(7,10,16,.92), rgba(9,14,22,.96));padding:14px}
.bn-story-side__cap h3{font-size:clamp(18px,2vw,24px);line-height:1.1}
.bn-story-main__cap h3{font-size:clamp(28px,3vw,40px);line-height:1.02}
.bn-story-main__cap,.bn-story-side__cap{padding:20px 22px 22px}
.bn-story-main__cap p,.bn-story-side__cap p{font-size:16px}
.bn-config{padding:20px}
.bn-config__shell{gap:20px}
.bn-steps{padding:20px}
.bn-wizard{padding:18px 14px 14px}
.bn-options{gap:20px}
.bn-range-grid{gap:20px}
.bn-nav{margin-top:24px}
.bn-products{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}
.bn-product-card{display:flex;flex-direction:column;height:100%}
.bn-product-card__body{display:flex;flex-direction:column;gap:14px;height:100%}
.bn-product-card__body .bn-list{flex:1}
.bn-result-card__copy{display:flex;flex-direction:column;justify-content:center}
.bn-slider--product .bn-slider__slide{background:radial-gradient(circle at top, rgba(44,57,82,.38), rgba(10,14,22,.96) 68%);aspect-ratio:16/9;min-height:0;display:flex;align-items:center;justify-content:center}
.bn-slider--product .bn-slider__slide img{width:100%;height:100%;max-height:none;object-fit:contain;padding:20px}
.bn-portfolio-showcase{padding:20px}
.bn-slider--portfolio .bn-slider__slide{background:linear-gradient(180deg, rgba(8,11,18,.98), rgba(4,6,10,.98))}
.bn-portfolio-frame{position:relative;margin:0}
.bn-slider--portfolio .bn-slider__slide img{display:block;width:100%;height:clamp(340px,52vw,620px);object-fit:contain;background:#070b11;padding:18px}
.bn-portfolio-frame figcaption{position:absolute;left:18px;right:auto;bottom:18px;padding:14px 18px;border-radius:16px;background:rgba(6,9,14,.88);border:1px solid rgba(255,255,255,.08);font-size:clamp(24px,3vw,46px);font-family:Inter,system-ui,sans-serif;font-weight:800;line-height:1}
.bn-slider__btn{backdrop-filter:blur(8px)}
@media (max-width:1180px){
  .bn-grid-3--use{grid-template-columns:1fr}
  .bn-grid-3--use .bn-story-main,.bn-grid-3--use .bn-story-side--tall{min-height:420px}
  .bn-grid-3--use .bn-story-side--tight{min-height:240px}
  .bn-products{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .bn-section-head--with-action{align-items:flex-start}
  .bn-products{grid-template-columns:1fr}
  .bn-slider--product .bn-slider__slide{min-height:260px}
  .bn-slider--product .bn-slider__slide img{height:260px;padding:14px}
  .bn-slider--portfolio .bn-slider__slide img{height:300px;padding:10px}
  .bn-portfolio-frame figcaption{left:12px;bottom:12px;font-size:24px;padding:12px 14px}
}

.bn-config .bn-option img,.bn-config .bn-range-visual img{box-shadow:inset 0 0 0 1px rgba(0,0,0,.04)}
.bn-config .bn-range-visual__cap{padding:14px 16px}
.bn-products .bn-slider{border-bottom-left-radius:0;border-bottom-right-radius:0}
@media (max-width:760px){
  .bn-config .bn-option img{height:170px;padding:10px}
  .bn-config .bn-range-visual img{height:220px;padding:10px}
}



/* v7 fixes: flush model sliders, overlay arrows, cover-filled portfolio + usecase zoom */
.bn-media-flush{padding:0 !important}
.bn-products .bn-slider,
.bn-result-card .bn-slider{border-radius:24px 24px 0 0;margin:0}
.bn-slider__nav{z-index:6}
.bn-slider__btn{
  width:42px;height:42px;
  background:rgba(4,7,12,.56);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 22px rgba(0,0,0,.25);
}
.bn-slider__btn:hover{background:rgba(4,7,12,.75)}

.bn-slider--product .bn-slider__slide{
  background:#070b11;
  aspect-ratio:16/9;
  min-height:0;
  display:block;
}
.bn-slider--product .bn-slider__slide img{
  display:block;
  width:100%;
  height:100%;
  max-height:none;
  object-fit:cover;
  padding:0;
  background:#070b11;
}
.bn-slider--product .bn-slider__nav{
  padding:0 12px;
}
.bn-slider--product .bn-slider__dots{
  bottom:10px;
}

.bn-portfolio-showcase{
  padding:0;
  overflow:hidden;
}
.bn-slider--portfolio{
  border-radius:inherit;
}
.bn-slider--portfolio .bn-slider__slide{
  background:#070b11;
}
.bn-slider--portfolio .bn-slider__slide img{
  display:block;
  width:100%;
  height:clamp(360px,48vw,560px);
  object-fit:cover;
  object-position:center center;
  background:#070b11;
  padding:0;
}
.bn-slider--portfolio .bn-slider__nav{
  padding:0 14px;
}
.bn-slider--portfolio .bn-slider__btn{
  width:48px;
  height:48px;
}
.bn-portfolio-frame{
  margin:0;
}
.bn-portfolio-frame figcaption{
  z-index:7;
}

.bn-grid-3--use .bn-story-side--contain img{
  object-fit:cover;
  object-position:center center;
  padding:0;
  background:none;
}
.bn-grid-3--use .bn-story-side--tight img{
  object-position:center 48%;
}
.bn-grid-3--use .bn-story-side--tall img{
  object-position:center center;
}

@media (max-width:760px){
  .bn-slider--product .bn-slider__slide{
    aspect-ratio:16/10;
  }
  .bn-slider--portfolio .bn-slider__slide img{
    height:300px;
  }
}


/* v8 restore model-range card image presentation without changing the rest */
.bn-products .bn-slider--product .bn-slider__slide{
  background:radial-gradient(circle at top, rgba(44,57,82,.38), rgba(10,14,22,.96) 68%);
  aspect-ratio:16/9;
  min-height:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.bn-products .bn-slider--product .bn-slider__slide img{
  width:100%;
  height:100%;
  max-height:none;
  object-fit:contain;
  padding:20px;
  background:none;
}
.bn-products .bn-slider--product .bn-slider__nav{padding:0 10px}
.bn-products .bn-slider--product .bn-slider__dots{bottom:10px}
@media (max-width:760px){
  .bn-products .bn-slider--product .bn-slider__slide{min-height:260px}
  .bn-products .bn-slider--product .bn-slider__slide img{height:260px;padding:14px}
}