.product-header nav a.active::after{right:0}
.catalog-hero{min-height:310px;padding:58px clamp(22px,6vw,94px) 46px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:44px;align-items:end;background:var(--navy);color:#fff}
.catalog-kicker{margin-bottom:16px;color:var(--orange);font-size:.72rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase}
.catalog-kicker::before{content:"";display:inline-block;width:28px;height:2px;margin:0 14px 3px 0;background:currentColor}
.catalog-hero h1{max-width:900px;margin:0 0 14px;font-size:clamp(2.8rem,5vw,5.35rem);font-weight:600;letter-spacing:-.06em;line-height:.96}
.catalog-hero>div>p:last-child{max-width:700px;margin:0;color:#aebbc4;font-size:.98rem;line-height:1.7}
.catalog-stat{min-width:150px;padding:18px 0 4px;border-top:1px solid #496073}
.catalog-stat strong{display:block;color:var(--orange);font-size:3rem;font-weight:600;line-height:1}
.catalog-stat span{display:block;margin-top:8px;color:#94a7b5;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
.category-nav{padding:0 clamp(22px,6vw,94px);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-bottom:1px solid var(--line)}
.category-nav a{min-height:82px;padding:14px clamp(14px,2vw,30px);display:flex;align-items:center;gap:13px;position:relative;border-left:1px solid var(--line);color:var(--steel);transition:background-color .2s ease,color .2s ease}
.category-nav a:first-child{border-left:0}
.category-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:3px;background:var(--orange);transition:right .2s ease}
.category-nav a:hover,.category-nav a.active{background:var(--mist);color:var(--ink)}
.category-nav a.active::after{right:0}
.category-nav span{color:var(--orange);font-size:.68rem;font-weight:700;letter-spacing:.12em}
.category-nav b{font-size:.9rem;font-weight:600;line-height:1.35}
.catalog-content{padding:78px clamp(22px,6vw,94px) 120px;background:#fff}
.catalog-intro{padding-bottom:36px;display:grid;grid-template-columns:minmax(240px,.4fr) minmax(320px,.6fr);gap:8vw;border-bottom:1px solid var(--line)}
.catalog-intro p:first-child{margin:0;color:var(--orange);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.catalog-intro p:last-child{max-width:640px;margin:0;color:var(--steel);line-height:1.8}
.product-series{padding:68px 0;display:grid;grid-template-columns:minmax(240px,.34fr) minmax(0,.66fr);gap:6vw;border-bottom:1px solid var(--line)}
.series-copy{position:sticky;top:112px;align-self:start}
.series-index{display:block;margin-bottom:22px;color:var(--orange);font-size:.7rem;font-weight:700;letter-spacing:.16em}
.series-copy h2{max-width:430px;margin:0 0 18px;font-size:clamp(2rem,3.5vw,4rem);font-weight:600;letter-spacing:-.055em;line-height:1.03}
.series-copy p{max-width:420px;margin:0;color:var(--steel);line-height:1.75}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.product-card{min-width:0;margin:0;background:var(--mist);border:1px solid var(--line)}
.product-image{height:280px;padding:18px;display:grid;place-items:center;background:#050708;overflow:hidden}
.product-image img{width:100%;height:100%;object-fit:contain}
.product-card figcaption{min-height:74px;padding:17px 19px;display:flex;align-items:center;gap:12px;background:#fff;font-size:.86rem;font-weight:600;line-height:1.35}
.product-card figcaption span{color:var(--orange);font-size:.66rem;letter-spacing:.1em}
.catalog-cta{padding:80px clamp(22px,6vw,94px);display:flex;align-items:end;justify-content:space-between;gap:50px;background:var(--mist);border-top:1px solid var(--line)}
.catalog-cta p{margin-bottom:10px;color:var(--orange);font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.catalog-cta h2{max-width:900px;margin:0;font-size:clamp(2.2rem,4.4vw,4.8rem);font-weight:600;letter-spacing:-.055em;line-height:1.03}
.product-footer{min-height:120px;padding:28px clamp(22px,6vw,94px);display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff}
.product-footer .brand-symbol{background:transparent}
.product-footer p{margin:0;color:#8193a0;font-size:.75rem}
@media (max-width:980px){
  .catalog-hero{padding-top:52px}
  .category-nav{grid-template-columns:repeat(2,1fr)}
  .category-nav a:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .category-nav a:nth-child(4){border-top:1px solid var(--line)}
  .product-series{grid-template-columns:1fr;gap:34px}
  .series-copy{position:static}
}
@media (max-width:680px){
  .catalog-hero{min-height:0;padding:42px 20px 36px;grid-template-columns:1fr;gap:24px}
  .catalog-hero h1{font-size:2.65rem}
  .catalog-stat{min-width:0}
  .category-nav{padding:0 20px;grid-template-columns:1fr}
  .category-nav a{min-height:62px;padding-top:10px;padding-bottom:10px;border-left:0!important;border-top:1px solid var(--line)}
  .category-nav a:first-child{border-top:0}
  .catalog-content{padding:58px 20px 82px}
  .catalog-intro{grid-template-columns:1fr;gap:16px}
  .product-series{padding:50px 0}
  .product-grid{grid-template-columns:1fr}
  .product-image{height:250px}
  .catalog-cta{padding:60px 20px;align-items:flex-start;flex-direction:column}
  .product-footer{padding:30px 20px;align-items:flex-start;flex-direction:column;gap:28px}
}