:root{--bg:#f4f7fb;--surface:#fff;--surface2:#edf3fa;--text:#08162e;--muted:#5d6b80;--line:rgba(8,22,46,.11);--blue:#1268e8;--cyan:#36b9ff;--navy:#06142d;--shadow:0 22px 60px rgba(8,31,68,.10)}
[data-theme=dark]{--bg:#050c18;--surface:#0b1628;--surface2:#101f35;--text:#eef6ff;--muted:#91a1b9;--line:rgba(188,218,255,.13);--shadow:0 26px 70px rgba(0,0,0,.34)}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.rf-shell{width:min(1240px,calc(100% - 40px));margin-inline:auto}.rf-section{padding:108px 0}.rf-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.rf-kicker:before{content:"";width:24px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan))}.rf-h2{font-size:clamp(32px,4.2vw,56px);line-height:1.04;letter-spacing:-.045em;margin:16px 0 18px}.rf-lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:680px}.rf-section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:48px}.rf-section-head .rf-lead{max-width:510px}.rf-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 23px;border-radius:12px;font-size:14px;font-weight:750;transition:.25s;border:1px solid transparent}.rf-btn:hover{transform:translateY(-2px)}.rf-btn-primary{color:#fff;background:linear-gradient(135deg,var(--blue),#0a53c7);box-shadow:0 14px 34px rgba(18,104,232,.28)}.rf-btn-ghost{border-color:var(--line);background:color-mix(in srgb,var(--surface) 82%,transparent)}
.rf-topbar{height:35px;background:#06142d;color:#b9c8dc;font-size:12px}.rf-topbar .rf-shell{height:100%;display:flex;align-items:center;justify-content:space-between}.rf-topbar a{color:#e8f3ff}.rf-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.rf-nav{height:78px;display:flex;align-items:center;gap:28px}.rf-logo{width:210px;margin-right:auto}.rf-links{display:flex;align-items:center;gap:4px}.rf-links>a,.rf-menu-trigger{padding:12px;font-size:13px;font-weight:760;border-radius:9px;transition:.2s}.rf-links>a:hover,.rf-menu-trigger:hover{background:var(--surface2);color:var(--blue)}.rf-mega-wrap{position:relative}.rf-menu-trigger{border:0;background:none;color:inherit;cursor:pointer}.rf-mega{position:absolute;right:-220px;top:52px;width:min(890px,90vw);padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(3,1fr);gap:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}.rf-mega-wrap:hover .rf-mega,.rf-mega-wrap:focus-within .rf-mega{opacity:1;visibility:visible;transform:none}.rf-mega a{padding:17px;border-radius:12px;background:var(--bg);border:1px solid transparent}.rf-mega a:hover{border-color:rgba(18,104,232,.3)}.rf-mega strong{display:block;font-size:14px}.rf-mega small{display:block;color:var(--muted);margin-top:5px}.rf-actions{display:flex;align-items:center;gap:8px}.rf-icon-btn{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;display:grid;place-items:center;cursor:pointer}.rf-mobile-toggle,.rf-mobile-panel{display:none}
.rf-hero{min-height:760px;position:relative;overflow:hidden;background:#06142d;color:#fff;display:flex;align-items:center}.rf-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 40%,rgba(35,135,255,.27),transparent 31%),linear-gradient(115deg,rgba(6,20,45,.98),rgba(6,20,45,.82) 49%,rgba(7,42,85,.66))}.rf-grid-bg{position:absolute;inset:0;opacity:.23;background-image:linear-gradient(rgba(118,183,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(118,183,255,.14) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(to right,#000,transparent 78%)}.rf-orbit{position:absolute;width:560px;height:560px;border:1px solid rgba(100,182,255,.25);border-radius:50%;right:4vw;top:90px;animation:spin 40s linear infinite}.rf-orbit:before,.rf-orbit:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(100,182,255,.18);inset:72px}.rf-orbit:after{inset:150px}.rf-satellite{position:absolute;right:calc(4vw + 174px);top:240px;width:210px;height:110px;transform:rotate(-12deg);filter:drop-shadow(0 28px 35px rgba(0,0,0,.35))}.rf-satellite .core{position:absolute;left:76px;top:28px;width:58px;height:50px;border-radius:12px;background:linear-gradient(145deg,#dce8f5,#7893af)}.rf-satellite .panel{position:absolute;top:18px;width:72px;height:70px;background:repeating-linear-gradient(90deg,#1456a8 0 16px,#60b7ff 17px 18px);border:2px solid #91cfff}.rf-satellite .panel:first-child{left:0}.rf-satellite .panel:last-child{right:0}.rf-hero-content{position:relative;z-index:2;max-width:760px;padding:130px 0 105px}.rf-hero h1{font-size:clamp(47px,6.2vw,86px);line-height:.98;letter-spacing:-.055em;margin:22px 0 28px}.rf-gradient{background:linear-gradient(90deg,#fff,#74c6ff);-webkit-background-clip:text;color:transparent}.rf-hero p{font-size:18px;line-height:1.75;color:#b9cbe1;max-width:655px}.rf-hero-actions{display:flex;gap:12px;margin-top:37px;flex-wrap:wrap}.rf-hero .rf-btn-ghost{color:#fff;border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.05)}.rf-metrics{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.14);padding:28px 0 35px}.rf-metric strong{display:block;font-size:22px}.rf-metric span{font-size:12px;color:#8ea4bf;letter-spacing:.08em;text-transform:uppercase}
.rf-category-grid,.rf-app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.rf-category,.rf-app{min-height:265px;padding:28px;position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:20px;transition:.3s}.rf-category:hover,.rf-app:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:rgba(18,104,232,.35)}.rf-category-num{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:.14em}.rf-category h3{font-size:22px;margin:65px 0 10px}.rf-category p,.rf-app p{font-size:14px;color:var(--muted);line-height:1.65}.rf-category p{max-width:76%}.rf-category-arrow{position:absolute;right:23px;bottom:23px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--surface2);transition:.25s}.rf-category:hover .rf-category-arrow{background:var(--blue);color:#fff;transform:rotate(-35deg)}.rf-glyph{position:absolute;right:22px;top:23px;width:92px;height:92px;border-radius:50%;border:1px solid rgba(18,104,232,.17);background:radial-gradient(circle,rgba(54,185,255,.19),transparent 64%)}
.rf-dark{background:#06142d;color:#fff;position:relative;overflow:hidden}.rf-capabilities{display:grid;grid-template-columns:.95fr 1.05fr;gap:80px;align-items:center}.rf-scope-card{aspect-ratio:1/1;border:1px solid rgba(255,255,255,.14);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.01));padding:28px}.rf-scope{height:100%;border-radius:20px;background:radial-gradient(circle at center,rgba(44,172,255,.28),transparent 43%),repeating-radial-gradient(circle at center,transparent 0 58px,rgba(95,189,255,.15) 59px 60px);display:grid;place-items:center}.rf-wave{width:82%;height:2px;background:linear-gradient(90deg,transparent,#45c0ff,#fff,#45c0ff,transparent);box-shadow:0 0 20px #26a8ff}.rf-feature-list{margin-top:36px}.rf-feature{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:18px 0;border-top:1px solid rgba(255,255,255,.13)}.rf-feature b{width:34px;height:34px;border-radius:9px;background:rgba(39,142,255,.15);color:#61baff;display:grid;place-items:center;font-size:12px}.rf-feature h3{font-size:17px;margin:2px 0 5px}.rf-feature p{margin:0;color:#93a9c3;font-size:14px;line-height:1.6}.rf-app{display:flex;flex-direction:column;background:linear-gradient(150deg,var(--surface),var(--surface2))}.rf-app h3{font-size:21px;margin:auto 0 10px}.rf-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:15px}.rf-tags span{padding:6px 9px;border-radius:99px;background:var(--bg);font-size:10px;color:var(--muted);border:1px solid var(--line)}
.rf-process{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}.rf-step{background:var(--surface);padding:30px;min-height:220px}.rf-step-num{font-size:46px;font-weight:800;color:color-mix(in srgb,var(--blue) 25%,transparent)}.rf-step h3{font-size:17px;margin:32px 0 8px}.rf-step p{font-size:13px;color:var(--muted);line-height:1.7}.rf-cta{padding:54px;border-radius:28px;background:linear-gradient(125deg,#0a5bd4,#0b87dc);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:0 28px 70px rgba(8,90,205,.22)}.rf-cta h2{font-size:clamp(28px,4vw,48px);letter-spacing:-.04em;margin:0 0 12px}.rf-cta p{color:#d3e9ff;margin:0}.rf-cta .rf-btn{background:#fff;color:#073f96;white-space:nowrap}
.rf-page-hero{padding:125px 0 80px;background:#06142d;color:#fff;position:relative;overflow:hidden}.rf-page-hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 30%,rgba(29,135,255,.27),transparent 28%)}.rf-page-hero .rf-shell{position:relative;z-index:2}.rf-page-hero h1{font-size:clamp(42px,6vw,72px);line-height:1;letter-spacing:-.05em;margin:17px 0}.rf-page-hero p{max-width:660px;color:#a9bdd5;line-height:1.75}.rf-breadcrumb{font-size:12px;color:#7ebcff}.rf-content-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.rf-panel{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px}.rf-panel h2,.rf-panel h3{margin-top:0}.rf-panel p,.rf-rich p{color:var(--muted);line-height:1.8}.rf-contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}.rf-contact-card{background:#06142d;color:#fff;border-radius:24px;padding:40px}.rf-contact-card p{color:#9eb2ca;line-height:1.7}.rf-contact-item{padding:20px 0;border-top:1px solid rgba(255,255,255,.13)}.rf-contact-item small{display:block;color:#6c8aab;text-transform:uppercase;letter-spacing:.13em;margin-bottom:7px}.rf-form{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:40px}.rf-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.rf-field{display:grid;gap:8px}.rf-field.full{grid-column:1/-1}.rf-field label{font-size:12px;font-weight:800;color:var(--muted)}.rf-field input,.rf-field textarea,.rf-field select{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:11px;padding:14px 15px;outline:none;font:inherit}
.rf-footer{background:#040b17;color:#b5c3d5;padding:74px 0 24px}.rf-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:50px}.rf-footer-logo{width:220px;filter:brightness(0) invert(1);opacity:.92}.rf-footer p{font-size:13px;line-height:1.8;color:#7f91a9}.rf-footer h3{font-size:13px;color:#fff;text-transform:uppercase;letter-spacing:.12em;margin:4px 0 20px}.rf-footer a{display:block;font-size:13px;padding:6px 0}.rf-footer a:hover{color:#59b7ff}.rf-footer-bottom{display:flex;justify-content:space-between;margin-top:55px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:#667b94}.rf-reveal{opacity:0;transform:translateY(20px);transition:opacity .7s,transform .7s}.rf-reveal.is-visible{opacity:1;transform:none}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1024px){.rf-links{display:none}.rf-mobile-toggle{display:grid}.rf-nav{height:70px}.rf-logo{width:185px}.rf-mobile-panel{position:absolute;left:20px;right:20px;top:72px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}.rf-mobile-panel.is-open{display:grid}.rf-mobile-panel a{padding:13px;border-bottom:1px solid var(--line);font-weight:700}.rf-category-grid,.rf-app-grid{grid-template-columns:repeat(2,1fr)}.rf-capabilities{grid-template-columns:1fr;gap:45px}.rf-process{grid-template-columns:repeat(2,1fr)}.rf-footer-grid{grid-template-columns:2fr 1fr 1fr}.rf-footer-grid>div:last-child{grid-column:1/-1}.rf-orbit{right:-260px}.rf-satellite{right:-15px}}
@media(max-width:720px){.rf-shell{width:min(100% - 28px,1240px)}.rf-topbar{display:none}.rf-nav{gap:10px}.rf-logo{width:160px}.rf-actions .rf-btn,.rf-actions>[data-theme-toggle]{display:none}.rf-hero{min-height:720px}.rf-hero-content{width:100%;padding:105px 0 70px}.rf-hero h1{font-size:42px;overflow-wrap:anywhere}.rf-hero p{font-size:16px}.rf-hero-actions{display:grid;grid-template-columns:1fr;width:100%}.rf-hero-actions .rf-btn{width:100%}.rf-orbit{opacity:.32;right:-430px;top:180px}.rf-satellite{display:none}.rf-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px}.rf-metric strong,.rf-metric span{overflow-wrap:anywhere}.rf-section{padding:76px 0}.rf-section-head{display:block;margin-bottom:32px}.rf-category-grid,.rf-app-grid,.rf-content-grid,.rf-contact-grid{grid-template-columns:1fr}.rf-process{grid-template-columns:1fr}.rf-step{min-height:auto}.rf-cta{padding:34px 25px;display:block}.rf-cta .rf-btn{margin-top:25px}.rf-form,.rf-contact-card{padding:27px}.rf-form-grid{grid-template-columns:1fr}.rf-footer-grid{grid-template-columns:1fr 1fr;gap:34px}.rf-footer-grid>div:first-child,.rf-footer-grid>div:last-child{grid-column:1/-1}.rf-footer-bottom{display:block;line-height:1.8}.rf-page-hero{padding:95px 0 62px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}.rf-reveal{opacity:1;transform:none}}
.rf-product-nav{position:sticky;top:78px;z-index:40;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(15px);border-bottom:1px solid var(--line)}.rf-product-nav .rf-shell{display:flex;gap:6px;overflow-x:auto;padding-block:11px}.rf-product-nav a{white-space:nowrap;padding:9px 12px;border-radius:9px;font-size:12px;font-weight:750;color:var(--muted)}.rf-product-nav a:hover{background:var(--surface2);color:var(--blue)}.rf-product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.rf-product-card{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}.rf-product-card:hover{transform:translateY(-6px);border-color:rgba(18,104,232,.35);box-shadow:var(--shadow)}.rf-product-image{display:grid;place-items:center;aspect-ratio:1.2/1;padding:24px;background:linear-gradient(145deg,#f8fbff,#edf3fa)}.rf-product-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.rf-product-body{padding:24px}.rf-model{display:inline-flex;padding:6px 9px;border-radius:99px;background:rgba(18,104,232,.09);color:var(--blue);font-size:10px;font-weight:850;letter-spacing:.08em}.rf-product-body h2{font-size:18px;line-height:1.35;margin:15px 0 10px}.rf-product-body p{font-size:13px;line-height:1.68;color:var(--muted);margin:0 0 18px}.rf-text-link{display:inline-flex;gap:7px;color:var(--blue);font-size:13px;font-weight:800}.rf-product-hero{padding:75px 0 90px;background:#06142d;color:#fff}.rf-product-detail-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:72px;align-items:center;margin-top:34px}.rf-product-main-image{aspect-ratio:1/1;display:grid;place-items:center;padding:42px;border-radius:28px;background:#f4f8fc}.rf-product-main-image img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.rf-product-summary h1{font-size:clamp(35px,4.3vw,60px);line-height:1.05;letter-spacing:-.045em;margin:18px 0 22px}.rf-product-summary>p{font-size:16px;line-height:1.75;color:#aebfd4}.rf-summary-points{display:grid;gap:10px;margin:25px 0}.rf-summary-points span{font-size:13px;color:#d3e2f3}.rf-summary-points span:before{content:'✓';color:#5fc4ff;margin-right:10px}.rf-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:70px;align-items:start}.rf-rich h2:not(.rf-h2){font-size:26px;margin:38px 0 12px}.rf-rich table{width:100%;border-collapse:collapse;margin:20px 0 36px}.rf-rich th,.rf-rich td{padding:16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.rf-rich th{width:34%;color:var(--muted)}.rf-detail-aside{position:sticky;top:155px;padding:28px;border-radius:20px;background:var(--surface);border:1px solid var(--line)}.rf-detail-aside h3{font-size:22px;margin:0 0 12px}.rf-detail-aside p{font-size:13px;line-height:1.7;color:var(--muted)}.rf-detail-aside .rf-btn{width:100%;margin:12px 0 18px}.rf-detail-aside small{display:block;text-align:center;color:var(--muted)}.rf-related{background:var(--surface2)}
@media(max-width:1024px){.rf-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.rf-product-detail-grid{gap:38px}.rf-detail-layout{grid-template-columns:1fr 290px;gap:35px}}
@media(max-width:720px){.rf-product-nav{top:70px}.rf-product-grid,.rf-product-detail-grid,.rf-detail-layout{grid-template-columns:1fr}.rf-product-hero{padding:50px 0 65px}.rf-product-main-image{padding:25px;border-radius:20px}.rf-product-summary h1{font-size:35px}.rf-detail-aside{position:static}.rf-product-image{padding:18px}.rf-product-body{padding:20px}}
.rf-menu-trigger{display:flex;align-items:center;gap:5px}.rf-chevron{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}.rf-mega{left:50%;right:auto;top:54px;width:min(790px,calc(100vw - 48px));padding:18px;transform:translate(-50%,8px)}.rf-mega-wrap:hover .rf-mega,.rf-mega-wrap:focus-within .rf-mega{transform:translate(-50%,0)}.rf-mega-wrap:hover .rf-chevron,.rf-mega-wrap:focus-within .rf-chevron{transform:rotate(180deg)}.rf-mega a{padding:15px}.rf-product-image,.rf-product-main-image{position:relative;overflow:hidden}.rf-product-image:after,.rf-product-main-image:after{content:'';position:absolute;left:50%;top:54%;width:264px;height:96px;transform:translate(-50%,-50%) scale(1);background:url('/RFsatellite-logo-v1.png') center/contain no-repeat;opacity:.38;filter:saturate(.88);pointer-events:none;transition:transform .38s ease,opacity .38s ease,filter .38s ease}.rf-product-image:hover:after,.rf-product-card:hover .rf-product-image:after,.rf-product-main-image:hover:after{transform:translate(-50%,-50%) scale(1.07);opacity:.58;filter:saturate(1.05) drop-shadow(0 8px 18px rgba(7,54,113,.16))}.rf-product-main-image:after{width:420px;height:152px;opacity:.34}

/* Mega menu sub-categories */
.rf-mega-card {
  padding: 17px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid transparent;
}
.rf-mega-card--has-subs {
  grid-row: span 1;
}
.rf-mega-card > a {
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  display: block;
  margin-bottom: 10px;
}
.rf-mega-card > a:hover {
  border-color: transparent;
  color: var(--blue);
}
.rf-mega-subs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  padding-top: 2px;
}
.rf-mega-subs a {
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--line);
  border-radius: 20px;
  transition: .2s;
}
.rf-mega-subs a:hover {
  color: var(--blue);
  border-color: rgba(18,104,232,.35);
  background: color-mix(in srgb, var(--blue) 10%, transparent);
}
/* Shop layout (sidebar + products) */
.rf-section--tight {
  padding: 56px 0 80px;
}
.rf-page-hero--compact {
  padding: 52px 0 56px;
}
.rf-page-hero--compact h1 {
  font-size: clamp(28px, 3vw, 42px);
  margin: 12px 0 10px;
}
.rf-page-hero--compact p {
  max-width: 720px;
  margin-bottom: 0;
  font-size: 16px;
}
@media(max-width:720px) {
  .rf-page-hero--compact {
    padding: 38px 0 42px;
  }
  .rf-page-hero--compact h1 {
    font-size: clamp(30px, 9vw, 40px);
    line-height: 1.08;
    overflow-wrap: anywhere;
  }
  .rf-page-hero--compact p {
    font-size: 15px;
  }
}
.rf-shop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}
.rf-shop-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.rf-sidebar-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}
.rf-sidebar-title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.rf-cat-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rf-cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: .2s;
}
.rf-cat-item:hover {
  background: var(--surface2);
  color: var(--blue);
}
.rf-cat-item--active {
  background: color-mix(in srgb, var(--blue) 10%, transparent);
  color: var(--blue);
  font-weight: 700;
}
.rf-cat-item--active .rf-cat-arrow {
  opacity: 1;
}
.rf-cat-arrow {
  font-size: 11px;
  opacity: .4;
  transition: .2s;
}
.rf-cat-item:hover .rf-cat-arrow {
  opacity: 1;
  transform: translateX(2px);
}
.rf-cat-item--parent {
  font-weight: 750;
  font-size: 13.5px;
  margin-top: 8px;
}
.rf-cat-item--parent:first-child {
  margin-top: 0;
}
.rf-cat-children {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
  margin-top: 4px;
  margin-bottom: 4px;
}
.rf-cat-item--child {
  font-size: 12.5px;
  font-weight: 500;
  padding: 7px 10px;
  color: var(--muted);
}
.rf-cat-item--child:hover {
  color: var(--blue);
}
.rf-cat-item--child.rf-cat-item--active {
  color: var(--blue);
  font-weight: 650;
}
.rf-sidebar-cta {
  background: linear-gradient(160deg, color-mix(in srgb, var(--blue) 12%, var(--surface)), var(--surface));
  text-align: center;
}
.rf-sidebar-cta h3 {
  font-size: 15px;
  margin: 0 0 8px;
}
.rf-sidebar-cta p {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 14px;
}
.rf-sidebar-cta .rf-btn {
  width: 100%;
  min-height: 42px;
  font-size: 12.5px;
}
.rf-shop-main {
  min-width: 0;
}
.rf-shop-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  gap: 20px;
}
.rf-h2--small {
  font-size: clamp(24px, 2.5vw, 36px);
  margin: 10px 0 0;
}
.rf-shop-count {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
}
@media (max-width: 900px) {
  .rf-shop-layout {
    grid-template-columns: 1fr;
  }
  .rf-shop-sidebar {
    position: static;
  }
  .rf-cat-children {
    display: flex;
  }
}
/* Mega menu cards - always show as card layout */
.rf-mega .rf-mega-card {
  padding: 17px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid transparent;
  transition: .2s;
}
.rf-mega .rf-mega-card:hover {
  border-color: rgba(18,104,232,.3);
}
.rf-mega .rf-mega-card > a {
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  display: block;
}
.rf-mega .rf-mega-card > a:hover {
  color: var(--blue);
}
.rf-mega .rf-mega-subs:empty {
  display: none;
}
.rf-mega .rf-mega-subs:not(:empty) {
  margin-top: 10px;
}
.rf-mega .rf-mega-card:first-child{grid-row:span 3}.rf-tag-filter,.rf-content-tags{display:flex;flex-wrap:wrap;gap:8px}.rf-tag-filter{margin:0 0 34px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.rf-tag-filter a,.rf-content-tags a{padding:8px 11px;border-radius:99px;border:1px solid var(--line);background:var(--surface2);color:var(--muted);font-size:11px;font-weight:750}.rf-tag-filter a:hover,.rf-content-tags a:hover{color:var(--blue);border-color:rgba(18,104,232,.35)}.rf-content-tags{margin:22px 0}.rf-product-summary .rf-content-tags a{color:#c9ddf4;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14)}

/* Sidebar children empty hide */
.rf-cat-children:empty {
  display: none;
}
.rf-empty-state{grid-column:1/-1;padding:55px;border:1px dashed var(--line);border-radius:20px;background:var(--surface);text-align:center}.rf-empty-state h2{margin:0 0 10px;font-size:27px}.rf-empty-state p{max-width:620px;margin:0 auto 24px;color:var(--muted);line-height:1.75}
.rf-category-intro{padding:52px 56px;text-align:left;border-style:solid;background:linear-gradient(145deg,var(--surface),var(--surface2))}.rf-category-intro .rf-kicker{display:block;margin-bottom:14px}.rf-category-intro h2{max-width:720px;margin:0 0 20px;font-size:clamp(27px,3vw,38px);line-height:1.18}.rf-category-intro p{max-width:850px;margin:0 0 16px}.rf-category-intro .rf-btn{margin-top:12px}@media(max-width:720px){.rf-category-intro{padding:34px 25px}}

/* Homepage product-led visuals */
.rf-hero-products{position:absolute;z-index:1;right:max(3vw,24px);top:50%;width:min(47vw,720px);height:520px;transform:translateY(-54%);pointer-events:none}.rf-hero-product{position:absolute;display:grid;place-items:center;overflow:hidden;border:1px solid rgba(137,201,255,.22);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(226,239,252,.94));box-shadow:0 28px 70px rgba(0,0,0,.34);transition:transform .5s ease}.rf-hero-product img{width:100%;height:100%;object-fit:contain}.rf-hero-product--main{right:2%;top:21%;width:58%;height:45%;transform:rotate(-3deg)}.rf-hero-product--converter{left:30%;top:0;width:28%;height:29%;padding:18px;transform:rotate(5deg);background:linear-gradient(145deg,rgba(17,49,88,.96),rgba(7,27,57,.96))}.rf-hero-product--lna{left:16%;bottom:4%;width:32%;height:27%;padding:13px;transform:rotate(-5deg)}.rf-hero-products:after{content:"REAL RF HARDWARE";position:absolute;right:4%;bottom:9%;font-size:10px;font-weight:800;letter-spacing:.2em;color:rgba(143,204,255,.62)}
.rf-category-icon{position:absolute;right:22px;top:22px;width:74px;height:74px;display:grid;place-items:center;border:1px solid rgba(18,104,232,.18);border-radius:18px;color:var(--blue);background:linear-gradient(145deg,rgba(18,104,232,.1),rgba(54,185,255,.04));transition:transform .3s ease,background .3s ease,color .3s ease}.rf-category-icon svg{width:38px;height:38px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.rf-category:hover .rf-category-icon{transform:translateY(-3px) rotate(-3deg);color:#fff;background:linear-gradient(145deg,var(--blue),#20a9e8)}
.rf-scope-card--product{padding:20px}.rf-scope-card--product .rf-scope{position:relative;overflow:hidden}.rf-scope-card--product .rf-scope img{position:relative;z-index:2;width:82%;height:58%;object-fit:contain;filter:drop-shadow(0 24px 25px rgba(0,0,0,.45));transition:transform .45s ease}.rf-scope-card--product:hover .rf-scope img{transform:translateY(-7px) scale(1.025)}.rf-scope-card--product .rf-wave{position:absolute;z-index:1}.rf-scope-card--product .rf-scope span{position:absolute;z-index:3;left:24px;bottom:22px;padding:8px 11px;border:1px solid rgba(94,188,255,.22);border-radius:8px;background:rgba(4,22,49,.72);color:#79c8ff;font-size:10px;font-weight:800;letter-spacing:.14em}
@media(max-width:1120px){.rf-hero-products{right:-70px;width:52vw;opacity:.58}.rf-hero-content{max-width:680px}.rf-hero-product--lna{display:none}}
@media(max-width:720px){.rf-hero-products{right:-160px;top:38%;width:430px;height:360px;opacity:.22}.rf-hero-product--main{width:65%;height:47%}.rf-hero-product--converter{display:none}.rf-category-icon{width:62px;height:62px}.rf-category-icon svg{width:32px;height:32px}}

/* Applications, collections and about */
.rf-subpage-hero{padding:92px 0 82px}.rf-subpage-hero .rf-kicker{margin-top:30px;color:#6fc5ff}.rf-subpage-hero h1{max-width:920px;font-size:clamp(44px,6vw,76px)}.rf-subpage-hero p{max-width:760px;font-size:17px}.rf-hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}.rf-hero-pills span{padding:8px 12px;border:1px solid rgba(145,204,255,.2);border-radius:999px;background:rgba(255,255,255,.05);color:#c3d9ef;font-size:11px;font-weight:700;letter-spacing:.04em}.rf-section--intro{padding:82px 0}.rf-section--cards{padding-top:0;background:linear-gradient(180deg,var(--bg),var(--surface2))}.rf-split-intro,.rf-about-lead{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:80px;align-items:start}.rf-split-intro .rf-h2,.rf-about-lead .rf-h2{margin-bottom:0}.rf-application-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rf-application-card{display:grid;grid-template-columns:56px 1fr;gap:22px;padding:34px;border:1px solid var(--line);border-radius:22px;background:var(--surface);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}.rf-application-card:hover{transform:translateY(-5px);border-color:rgba(18,104,232,.35);box-shadow:var(--shadow)}.rf-app-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,var(--blue),#1fa9e7);color:#fff;font-size:12px;font-weight:850}.rf-application-card h2{margin:12px 0 12px;font-size:24px;line-height:1.25}.rf-application-card p,.rf-application-card li,.rf-about-copy p,.rf-strength-grid p,.rf-collection-card p,.rf-collection-card li{color:var(--muted);line-height:1.7}.rf-application-card ul,.rf-collection-card ul{margin:18px 0;padding-left:19px;font-size:13px}.rf-application-card li+li,.rf-collection-card li+li{margin-top:6px}.rf-solution-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.rf-solution-links a{padding:8px 11px;border-radius:999px;background:var(--surface2);border:1px solid var(--line);color:var(--blue);font-size:11px;font-weight:800}.rf-about-copy p{margin:0 0 18px;font-size:16px}.rf-strength-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.rf-strength-grid article{padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.rf-strength-grid b{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(18,104,232,.1);color:var(--blue);font-size:12px}.rf-strength-grid h3{margin:30px 0 10px;font-size:19px}.rf-strength-grid p{margin:0;font-size:13px}.rf-process--dark{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.12)}.rf-process--dark .rf-step{background:#0a1b36}.rf-process--dark .rf-step p{color:#93a9c3}.rf-collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.rf-collection-card{display:block;min-height:390px;padding:38px;border:1px solid var(--line);border-radius:24px;background:var(--surface);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}.rf-collection-card:hover{transform:translateY(-6px);border-color:rgba(18,104,232,.35);box-shadow:var(--shadow)}.rf-collection-card>span{color:var(--blue);font-size:11px;font-weight:850;letter-spacing:.15em}.rf-collection-card h2{margin:44px 0 14px;font-size:29px}.rf-collection-card p{font-size:14px}.rf-collection-card b{display:inline-block;margin-top:20px;color:var(--blue);font-size:13px}.rf-collection-card--accent{background:linear-gradient(145deg,#082452,#0b65c8);color:#fff}.rf-collection-card--accent>span,.rf-collection-card--accent b{color:#79ceff}.rf-collection-card--accent p,.rf-collection-card--accent li{color:#c4d8ed}
.rf-collection-card--blue{background:linear-gradient(145deg,#082452,#0b65c8);color:#fff}.rf-collection-card--blue>span,.rf-collection-card--blue b{color:#79ceff}.rf-collection-card--blue p,.rf-collection-card--blue li{color:#c4d8ed}
.rf-links>a.is-active,.rf-menu-trigger.is-active{position:relative;background:rgba(18,104,232,.1);color:var(--blue)}.rf-links>a.is-active:after,.rf-menu-trigger.is-active:after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--blue),var(--cyan))}.rf-mobile-panel>a.is-active{color:var(--blue);background:rgba(18,104,232,.09);border-radius:9px}
@media(max-width:900px){.rf-application-grid,.rf-collection-grid,.rf-split-intro,.rf-about-lead{grid-template-columns:1fr}.rf-split-intro,.rf-about-lead{gap:28px}.rf-strength-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.rf-subpage-hero{padding:64px 0 58px}.rf-subpage-hero .rf-kicker{margin-top:22px}.rf-subpage-hero h1{font-size:40px}.rf-application-card{grid-template-columns:1fr;padding:26px}.rf-strength-grid{grid-template-columns:1fr}.rf-collection-card{min-height:auto;padding:28px}.rf-collection-card h2{margin-top:28px;font-size:25px}}
.rf-captcha-field small{color:var(--muted);font-size:11px;line-height:1.5}.rf-captcha-row{display:grid;grid-template-columns:minmax(150px,1fr) 120px auto;gap:10px;align-items:center}.rf-captcha-row input{height:50px}.rf-captcha-image{height:50px;padding:2px;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden;cursor:pointer}.rf-captcha-image img{width:100%;height:100%;object-fit:cover}.rf-captcha-refresh{height:50px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface2);color:var(--blue);font-weight:750;cursor:pointer}.rf-captcha-refresh:hover{border-color:rgba(18,104,232,.4)}@media(max-width:620px){.rf-captcha-row{grid-template-columns:1fr 120px}.rf-captcha-refresh{grid-column:1/-1;height:44px}}