:root{
  --hl-navy:#0b1220;
  --hl-navy2:#111827;
  --hl-slate:#334155;
  --hl-red:#e8422c;
  --hl-red2:#b42318;
  --hl-gold:#f2b84b;
  --hl-card:#ffffff;
  --hl-soft:#f8fafc;
  --hl-border:#e5e7eb;
}
.site-header{
  box-shadow:0 10px 30px rgba(2,6,23,.06);
}
.top-nav a:hover{color:var(--hl-red)}
.brand-v4-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fecaca;
  letter-spacing:.18em;
  font-size:13px;
  font-weight:900;
  text-transform:uppercase;
}
.brand-v4-kicker:before{
  content:"";
  width:34px;height:2px;background:var(--hl-red);display:inline-block;
}
.brand-v4-hero{
  position:relative;
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:50px;
  align-items:center;
  min-height:720px;
  padding:86px 7vw;
  color:white;
  background:
    radial-gradient(circle at 15% 18%, rgba(232,66,44,.24), transparent 30%),
    radial-gradient(circle at 76% 8%, rgba(242,184,75,.15), transparent 28%),
    linear-gradient(135deg,#08111f 0%,#111827 58%,#2b1110 130%);
  overflow:hidden;
}
.brand-v4-orb{
  position:absolute;border-radius:999px;filter:blur(8px);opacity:.55;pointer-events:none;
  animation:floatOrb 8s ease-in-out infinite alternate;
}
.brand-v4-orb-a{width:260px;height:260px;background:rgba(232,66,44,.15);left:4%;bottom:8%}
.brand-v4-orb-b{width:190px;height:190px;background:rgba(242,184,75,.13);right:8%;top:10%;animation-delay:1.2s}
@keyframes floatOrb{from{transform:translateY(0)}to{transform:translateY(-24px)}}
.brand-v4-hero-copy,.brand-v4-visual{position:relative;z-index:1}
.brand-v4-hero-copy h1{
  font-size:clamp(44px,6.2vw,82px);
  line-height:1.08;
  margin:18px 0 24px;
  font-weight:950;
  letter-spacing:.01em;
}
.brand-v4-hero-copy h1 span{
  background:linear-gradient(90deg,#fff,#fecaca);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-v4-hero-copy p{
  max-width:800px;
  color:#dbe4ef;
  font-size:21px;
}
.brand-v4-search{
  display:flex;
  gap:10px;
  margin-top:28px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  padding:10px;
  border-radius:20px;
  backdrop-filter:blur(10px);
}
.brand-v4-search input{
  flex:1;border:0;border-radius:14px;padding:15px 18px;font-size:17px;
}
.brand-v4-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.brand-v4-visual{min-height:520px}
.brand-v4-image-frame{
  position:absolute;inset:30px 0 30px 20px;
  border-radius:34px;
  transform:rotate(1.5deg);
  box-shadow:0 38px 110px rgba(0,0,0,.38);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  background:#111827;
}
.brand-v4-image-frame:after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 38%,rgba(0,0,0,.48));
}
.brand-v4-image-frame img{width:100%;height:100%;object-fit:cover;transform:scale(1.02)}
.brand-v4-metric{
  position:absolute;
  background:rgba(255,255,255,.92);
  color:#111827;
  border:1px solid rgba(255,255,255,.6);
  border-radius:20px;
  padding:16px 18px;
  box-shadow:0 18px 60px rgba(0,0,0,.25);
  backdrop-filter:blur(10px);
  animation:floatCard 5.8s ease-in-out infinite alternate;
}
.brand-v4-metric strong{display:block;font-size:18px}
.brand-v4-metric span{display:block;color:#64748b;font-size:14px}
.brand-v4-metric-a{left:-4px;bottom:68px}
.brand-v4-metric-b{right:-8px;top:72px;animation-delay:1s}
@keyframes floatCard{from{transform:translateY(0)}to{transform:translateY(-14px)}}

.brand-v4-section{padding:72px 7vw}
.brand-v4-section-head{
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:end;
  margin-bottom:30px;
}
.brand-v4-section-head span,.brand-v4-trust-card>span{
  display:block;
  color:var(--hl-red);
  font-size:13px;
  letter-spacing:.14em;
  font-weight:900;
  text-transform:uppercase;
  margin-bottom:8px;
}
.brand-v4-section-head h2,.brand-v4-trust-card h2{
  font-size:clamp(32px,4vw,48px);
  line-height:1.15;
  margin:0 0 10px;
  color:#111827;
}
.brand-v4-section-head p{color:#64748b;font-size:18px;margin:0}
.brand-v4-textlink{color:var(--hl-red);font-weight:900}
.brand-v4-catalog{background:linear-gradient(180deg,#fff,#f8fafc)}
.brand-v4-catalog-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.brand-v4-catalog-card{
  display:flex;
  gap:16px;
  background:white;
  border:1px solid var(--hl-border);
  border-radius:24px;
  padding:22px;
  min-height:172px;
  box-shadow:0 10px 35px rgba(15,23,42,.05);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.brand-v4-catalog-card:hover{
  transform:translateY(-6px);
  border-color:#fecaca;
  box-shadow:0 22px 58px rgba(15,23,42,.1);
}
.brand-v4-catalog-icon{
  flex:0 0 58px;
  width:58px;height:58px;
  border-radius:18px;
  background:linear-gradient(135deg,#fff1f2,#fee2e2);
  color:var(--hl-red);
  display:flex;align-items:center;justify-content:center;
  font-weight:950;
}
.brand-v4-catalog-card h3{margin:0 0 8px;font-size:21px;color:#111827}
.brand-v4-catalog-card p{margin:0 0 10px;color:#64748b;line-height:1.55;font-size:15px}
.brand-v4-catalog-card small{font-weight:900;color:var(--hl-red)}
.brand-v4-scenarios{background:#0b1220;color:white}
.brand-v4-scenarios .brand-v4-section-head h2{color:white}
.brand-v4-scenarios .brand-v4-section-head p{color:#cbd5e1}
.brand-v4-scenario-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.brand-v4-scenario-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:26px;
  padding:24px;
  box-shadow:0 18px 55px rgba(0,0,0,.18);
}
.brand-v4-scenario-card h3{font-size:24px;margin:0 0 16px;color:white}
.brand-v4-scenario-card div{display:flex;flex-wrap:wrap;gap:8px}
.brand-v4-scenario-card a{
  color:white;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  padding:8px 12px;
}
.brand-v4-scenario-card a:hover{background:var(--hl-red)}
.brand-v4-featured{background:white}
.brand-v4-product-grid,.cat-v4-product-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.brand-v4-product-card,.cat-v4-product-card{
  background:white;
  border:1px solid var(--hl-border);
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 10px 35px rgba(15,23,42,.05);
  transition:.22s ease;
}
.brand-v4-product-card:hover,.cat-v4-product-card:hover{
  transform:translateY(-6px);
  box-shadow:0 22px 58px rgba(15,23,42,.1);
}
.brand-v4-product-img,.cat-v4-product-img{
  position:relative;
  display:block;
  background:linear-gradient(180deg,#f8fafc,#fff);
}
.brand-v4-product-img img,.cat-v4-product-img img{
  width:100%;
  height:220px;
  object-fit:contain;
  padding:16px;
}
.brand-v4-product-img span,.cat-v4-product-img span{
  position:absolute;left:12px;top:12px;
  background:var(--hl-red);
  color:white;border-radius:999px;padding:5px 11px;font-size:13px;font-weight:900;
}
.brand-v4-product-body,.cat-v4-product-body{padding:20px}
.brand-v4-product-body small,.cat-v4-product-body small{display:block;color:#64748b;margin-bottom:6px}
.brand-v4-product-body h3,.cat-v4-product-body h3{font-size:21px;line-height:1.35;margin:0 0 8px;color:#111827}
.brand-v4-product-body p,.cat-v4-product-body p{color:#475569;min-height:56px}
.brand-v4-spec{
  background:#f8fafc;
  border:1px solid var(--hl-border);
  border-radius:14px;
  padding:9px 11px;
  color:#334155;
  font-size:14px;
  margin:12px 0;
}
.brand-v4-trust{background:#f8fafc}
.brand-v4-trust-card{
  background:white;
  border:1px solid var(--hl-border);
  border-radius:34px;
  padding:42px;
  box-shadow:0 20px 70px rgba(15,23,42,.08);
}
.brand-v4-trust-card p{font-size:19px;color:#475569;max-width:940px}
.brand-v4-trust-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  margin-top:30px;
}
.brand-v4-trust-grid div{
  background:#0b1220;
  color:white;
  border-radius:22px;
  padding:22px;
}
.brand-v4-trust-grid strong{display:block;color:#fca5a5;font-size:26px}
.brand-v4-trust-grid span{font-weight:800}
.brand-v4-cta{
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center;
  padding:56px 7vw;
  color:white;
  background:linear-gradient(135deg,var(--hl-red),#7f1d1d);
}
.brand-v4-cta h2{font-size:36px;margin:0 0 8px}
.brand-v4-cta p{margin:0;color:#fee2e2}
.brand-v4-cta .btn{background:white;color:#991b1b}

.cat-v4-hero{
  display:grid;
  grid-template-columns:1fr .88fr;
  gap:32px;
  align-items:end;
  padding:64px 7vw;
  color:white;
  background:
    radial-gradient(circle at 16% 12%, rgba(232,66,44,.22), transparent 28%),
    linear-gradient(135deg,#08111f,#111827 64%,#2b1110);
}
.cat-v4-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;margin:16px 0}
.cat-v4-hero p{font-size:20px;color:#dbe4ef}
.cat-v4-search{
  display:flex;gap:10px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  padding:10px;border-radius:20px;
}
.cat-v4-search input{flex:1;border:0;border-radius:14px;padding:14px 16px;font-size:16px}
.cat-v4-layout{
  display:grid;
  grid-template-columns:310px 1fr;
  gap:30px;
  padding:38px 7vw;
  background:#f8fafc;
}
.cat-v4-sidebar{
  position:sticky;top:86px;align-self:start;
  background:white;border:1px solid var(--hl-border);
  border-radius:26px;padding:18px;
  box-shadow:0 12px 40px rgba(15,23,42,.06);
}
.cat-v4-sidebar h2{margin:0 0 14px}
.cat-v4-side-list{display:flex;flex-direction:column;gap:8px}
.cat-v4-side-list a{
  display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;
  border:1px solid var(--hl-border);border-radius:16px;padding:10px;background:white;
}
.cat-v4-side-list a.active,.cat-v4-side-list a:hover{background:#fff1f2;border-color:#fecaca}
.cat-v4-side-list span{
  width:44px;height:44px;border-radius:14px;background:#f8fafc;color:var(--hl-red);
  display:flex;align-items:center;justify-content:center;font-weight:950;
}
.cat-v4-side-list strong{font-size:15px}
.cat-v4-side-list small{color:#64748b}
.cat-v4-bar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:white;border:1px solid var(--hl-border);border-radius:24px;padding:20px 24px;margin-bottom:20px;
  box-shadow:0 10px 35px rgba(15,23,42,.04);
}
.cat-v4-bar h2{margin:0;font-size:30px}
.cat-v4-bar p{margin:4px 0 0;color:#64748b}
.reveal-on-scroll{opacity:0;transform:translateY(22px);animation:revealV4 .7s ease forwards}
.reveal-on-scroll:nth-child(2){animation-delay:.08s}
.reveal-on-scroll:nth-child(3){animation-delay:.14s}
.reveal-on-scroll:nth-child(4){animation-delay:.2s}
.reveal-on-scroll:nth-child(5){animation-delay:.26s}
@keyframes revealV4{to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion: reduce){
  .brand-v4-orb,.brand-v4-metric,.reveal-on-scroll{animation:none;opacity:1;transform:none}
}
@media(max-width:1120px){
  .brand-v4-catalog-grid,.brand-v4-product-grid,.cat-v4-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand-v4-scenario-grid,.brand-v4-trust-grid{grid-template-columns:1fr 1fr}
  .cat-v4-layout{grid-template-columns:1fr}
  .cat-v4-sidebar{position:static}
}
@media(max-width:820px){
  .brand-v4-hero,.cat-v4-hero{grid-template-columns:1fr;padding:52px 7vw}
  .brand-v4-visual{min-height:360px}
  .brand-v4-image-frame{inset:10px 0;transform:none}
  .brand-v4-metric{position:relative;display:inline-block;margin:10px 8px 0 0;left:auto;right:auto;top:auto;bottom:auto}
  .brand-v4-search,.cat-v4-search{display:block}
  .brand-v4-search .btn,.cat-v4-search .btn{width:100%;margin-top:10px}
  .brand-v4-section-head,.brand-v4-cta,.cat-v4-bar{display:block}
  .brand-v4-catalog-grid,.brand-v4-product-grid,.cat-v4-product-grid,.brand-v4-scenario-grid,.brand-v4-trust-grid{grid-template-columns:1fr}
  .brand-v4-cta .btn,.cat-v4-bar .btn{margin-top:14px}
}