/* ============================================================
   Red Flag — company landing (rev 4) — LIGHT
   Clean white/light B2B surfaces, keep the technical type system
   (Space Grotesk display + Inter body + JetBrains Mono labels),
   hairline grid rules, big display type, red as the single accent.
   (Reverted from the rev-3 near-black "Anduril" dark theme.)
   ============================================================ */

:root{
  /* brand */
  --brand:#e11d2e; --brand-bright:#c8102e; --brand-dark:#b81624; --brand-soft:rgba(225,29,46,.09);
  /* surfaces (light, layered) */
  --bg:#ffffff; --surface:#f6f7f9; --surface-2:#eef0f3; --surface-3:#e7eaee;
  /* ink */
  --ink:#0d0f14; --text:rgba(13,15,20,.74); --muted:rgba(13,15,20,.56); --faint:rgba(13,15,20,.42);
  /* lines */
  --line:rgba(13,15,20,.14); --line-2:rgba(13,15,20,.08); --line-strong:rgba(13,15,20,.26);
  --shadow:0 20px 48px -26px rgba(13,15,20,.28);
  --shadow-sm:0 4px 18px -10px rgba(13,15,20,.22);
  --maxw:1280px; --radius:4px; --radius-sm:3px;
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',ui-monospace,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body.rf-landing{margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
.rf-landing img{max-width:100%;display:block}
.rf-landing a{text-decoration:none}
.rf-landing a:not(.btn){color:inherit}
.rf-landing h1,.rf-landing h2,.rf-landing h3,.rf-landing h4{font-family:var(--font-display);
  color:var(--ink);margin:0;font-weight:600;letter-spacing:-.025em;line-height:1.08}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-family:var(--font-mono);font-weight:500;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--brand)}
.section-head{max-width:780px;margin:0 0 58px}
.section-head h2{font-size:clamp(30px,4vw,52px);margin:18px 0 0;letter-spacing:-.03em}
.section-sub{color:var(--muted);font-size:18px;margin:18px 0 0;max-width:64ch}
.rf-section{padding:112px 0;position:relative}
.rf-section.alt{background:var(--surface)}

/* ---------- buttons (sharp, mono, uppercase) ---------- */
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-mono);font-weight:500;
  font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;line-height:1;padding:14px 26px;
  border-radius:var(--radius);border:1px solid transparent;cursor:pointer;color:#fff;
  transition:transform .16s ease,background .16s ease,border-color .16s ease,color .16s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-secondary:hover{border-color:var(--ink);background:rgba(13,15,20,.04)}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);backdrop-filter:blur(6px)}
.btn-glass:hover{background:rgba(255,255,255,.24);border-color:#fff}
.btn-ghost{background:transparent;color:var(--text);padding:10px 12px}
.btn-ghost:hover{color:var(--ink)}
.btn-lg{padding:16px 30px}
/* header "Buy now": light button — glass over the transparent hero header, outline once solid */
.rf-header:not(.scrolled) .rf-header-cta .btn-secondary{color:#fff;border-color:rgba(255,255,255,.5);
  background:rgba(255,255,255,.12);backdrop-filter:blur(6px)}
.btn-arrow::after{content:"→";transition:transform .2s ease}
.btn-arrow:hover::after{transform:translateX(4px)}
.cta-link{font-family:var(--font-mono);font-weight:500;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--brand);display:inline-flex;align-items:center;gap:.45em}
.cta-link::after{content:"→";transition:transform .2s ease}
.cta-link:hover::after{transform:translateX(3px)}

/* ---------- header (transparent over hero -> solid white on scroll) ---------- */
.rf-header{position:fixed;top:0;left:0;right:0;z-index:100;background:transparent;
  border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease}
.rf-header.scrolled{background:rgba(255,255,255,.9);backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line-2);box-shadow:var(--shadow-sm)}
.rf-header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;
  max-width:var(--maxw);margin:0 auto;padding:17px 28px}
.rf-logo img{height:30px;width:auto;filter:brightness(0) invert(1)}          /* white over hero video */
.rf-header.scrolled .rf-logo img{filter:none}                                 /* real logo on white */
.rf-menu,.rf-menu ul{list-style:none;margin:0;padding:0}
.rf-menu{display:flex;justify-content:center;gap:2px;align-items:center}
.rf-menu>li{position:relative}
/* .rf-header prefix outranks `.rf-landing a:not(.btn){color:inherit}` (0,2,1) */
.rf-header .rf-menu>li>a{display:block;font-family:var(--font-mono);font-weight:500;font-size:12.5px;letter-spacing:.04em;
  text-transform:uppercase;color:rgba(255,255,255,.82);padding:10px 13px;transition:color .15s}
.rf-header.scrolled .rf-menu>li>a{color:var(--text)}
/* hover: white ONLY while the header is transparent over the hero; ink once the
   header background is white (scrolled or data-solid pages) — incl. keeping the
   parent item highlighted while its dropdown panel is hovered */
.rf-header:not(.scrolled) .rf-menu>li>a:hover,
.rf-header:not(.scrolled) .rf-menu>li.menu-item-has-children:hover>a,
.rf-header:not(.scrolled) .rf-menu>li.has-panel:hover>a{color:#fff}
.rf-header.scrolled .rf-menu>li>a:hover,
.rf-header.scrolled .rf-menu>li.menu-item-has-children:hover>a,
.rf-header.scrolled .rf-menu>li.has-panel:hover>a{color:var(--ink)}
.rf-menu .sub-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;z-index:10}
.rf-menu li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.rf-menu .sub-menu a{display:block;font-family:var(--font-body);font-size:13.5px;letter-spacing:0;text-transform:none;
  color:var(--text);padding:9px 12px;border-radius:var(--radius-sm);transition:.15s}
.rf-menu .sub-menu a:hover{background:var(--surface);color:var(--ink)}
.rf-menu .sub-menu .sub-menu{top:-9px;left:calc(100% + 6px)}
.rf-menu .menu-item-has-children>a::after,.rf-menu .has-panel>a::after{content:"▾";font-size:.8em;margin-left:5px;opacity:.5}
.rf-menu .rf-ext{width:.8em;height:.8em;margin-left:5px;opacity:.55;vertical-align:-.05em}
/* STM platform link — white over the hero like the rest of the nav, brand red
   once the header background appears (scrolled/solid) and in the mobile panel */
.rf-header.scrolled .rf-menu>li>a.rf-stm,
body.rf-landing.nav-open .rf-menu>li>a.rf-stm{color:var(--brand)}
.rf-header.scrolled .rf-menu>li>a.rf-stm:hover{color:var(--brand-dark)}
.rf-header.scrolled .rf-menu a.rf-stm .rf-ext{opacity:.75}

/* grouped mega dropdown (titles + items), e.g. Products / Solutions */
.rf-panel{position:absolute;top:calc(100% + 8px);left:50%;display:flex;flex-wrap:wrap;width:max-content;max-width:calc(100vw - 40px);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 10px;
  opacity:0;visibility:hidden;transform:translate(-50%,6px);transition:.18s ease;z-index:10}
.rf-menu li:hover>.rf-panel{opacity:1;visibility:visible;transform:translate(-50%,0)}
.rf-panel-group{min-width:200px;padding:0 12px}
.rf-panel-group+.rf-panel-group{border-left:1px solid var(--line-2)}
.rf-panel-title{display:block;font-family:var(--font-mono);font-weight:500;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(225,29,46,.62);padding:6px 12px 8px;white-space:nowrap}   /* light red */
.rf-panel a{display:block;font-family:var(--font-body);font-size:13.5px;font-weight:400;letter-spacing:0;text-transform:none;
  color:var(--text);padding:8px 12px;border-radius:var(--radius-sm);transition:.15s;white-space:nowrap}
.rf-panel a:hover{background:var(--surface);color:var(--ink)}
.rf-header-cta{display:flex;align-items:center;gap:10px}
/* header cart icon — hidden while the cart is empty; Woo fragments refresh it */
.rf-cart-link{position:relative;display:flex;align-items:center;justify-content:center;width:38px;height:38px;
  color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);transition:color .15s,border-color .15s}
.rf-cart-link:hover{color:var(--brand);border-color:var(--brand)}
.rf-cart-link svg{width:18px;height:18px}
.rf-cart-link.is-empty{display:none}
.rf-cart-count{position:absolute;top:-7px;right:-7px;min-width:17px;height:17px;padding:0 4px;display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font:500 10px/1 var(--font-mono);border-radius:9px}
.rf-header:not(.scrolled) .rf-cart-link{color:#fff;border-color:rgba(255,255,255,.5)}
.rf-header .btn-ghost{color:rgba(255,255,255,.82)}
.rf-header .btn-ghost:hover{color:#fff}
.rf-header.scrolled .btn-ghost{color:var(--text)}
.rf-header.scrolled .btn-ghost:hover{color:var(--ink)}
.rf-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.rf-burger span{width:22px;height:2px;background:#fff;border-radius:2px}
.rf-header.scrolled .rf-burger span{background:var(--ink)}

/* language switcher — design from redflaglxe.com, adapted to the tokens
   (flag + code + caret button; click-toggled dropdown, see landing.js) */
.rf-lang{position:relative}
.rf-lang-btn{display:flex;align-items:center;gap:6px;background:transparent;border:0;padding:8px 6px;cursor:pointer;
  font-family:var(--font-mono);font-weight:500;font-size:12.5px;letter-spacing:.04em;
  color:rgba(255,255,255,.82);border-radius:var(--radius);transition:color .15s ease}
.rf-lang-btn:hover{color:#fff}
.rf-header.scrolled .rf-lang-btn{color:var(--text)}
.rf-header.scrolled .rf-lang-btn:hover{color:var(--ink)}
.rf-lang-btn img,.rf-lang-option img{display:block;width:20px;height:20px;flex-shrink:0;object-fit:cover;
  border-radius:50%;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.rf-lang-caret{font-size:9px;opacity:.6;transition:transform .15s ease}
.rf-lang.open .rf-lang-caret{transform:rotate(180deg)}
.rf-lang-menu{display:none;position:absolute;top:calc(100% + 10px);right:0;min-width:150px;width:max-content;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px;z-index:1001}
.rf-lang.open .rf-lang-menu{display:block}
/* .rf-header prefix so color survives `.rf-landing a:not(.btn){color:inherit}` */
.rf-header .rf-lang-menu .rf-lang-option{display:flex;align-items:center;gap:10px;padding:9px 12px;white-space:nowrap;
  font-family:var(--font-body);font-size:13.5px;font-weight:400;letter-spacing:0;text-transform:none;
  color:var(--text);text-decoration:none;border-radius:var(--radius-sm);transition:background-color .15s ease}
.rf-header .rf-lang-menu .rf-lang-option:hover{background:var(--surface);color:var(--ink)}
.rf-header .rf-lang-menu .rf-lang-option.active{font-weight:600;color:var(--ink)}

/* ---------- hero (full-bleed cinematic video) ---------- */
.rf-hero{position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:100vh;padding-top:96px;overflow:hidden;background:#0a0b0d}
.rf-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.rf-hero-scrim{position:absolute;inset:0;z-index:1;background:
  linear-gradient(90deg,rgba(8,9,11,.56) 0%,rgba(8,9,11,.28) 46%,rgba(8,9,11,.06) 100%),
  linear-gradient(0deg,rgba(8,9,11,.6) 0%,rgba(8,9,11,0) 52%)}
.rf-hero .container{position:relative;z-index:2;width:100%}
.rf-hero .eyebrow{color:rgba(255,255,255,.85)}
.rf-hero-content{max-width:920px;padding:0 0 46px}
.rf-hero-content h1{color:#fff;font-size:clamp(38px,5.6vw,72px);font-weight:600;letter-spacing:-.035em;
  line-height:1.03;margin:24px 0 0}
.rf-hero-content h1 .accent{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);
  text-decoration-thickness:.05em;text-underline-offset:.14em}
.rf-hero-sub{font-size:clamp(17px,1.5vw,21px);color:rgba(255,255,255,.86);max-width:54ch;margin:26px 0 0}
.rf-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:38px 0 0}
.rf-hero-strip{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.14)}
.rf-hero-strip-inner{max-width:var(--maxw);margin:0 auto;padding:18px 28px;display:flex;flex-wrap:wrap;
  align-items:center;gap:26px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;
  text-transform:uppercase;color:rgba(255,255,255,.6)}
.rf-hero-strip b{color:#fff;font-weight:500;margin-right:.5em}
.rf-hero-strip .sep{width:1px;height:12px;background:rgba(255,255,255,.24)}
.rf-hero-strip .scroll{margin-left:auto;display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.7)}

/* ---------- trust belt (logos -> uniform dark on light) ---------- */
.rf-trust{padding:50px 0;background:var(--bg);border-bottom:1px solid var(--line-2)}
.rf-trust-label{text-align:center;font-family:var(--font-mono);font-weight:500;font-size:11.5px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin:0 0 30px}
.rf-marquee{position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.rf-marquee-track{display:flex;align-items:center;gap:62px;width:max-content;animation:rf-scroll 48s linear infinite}
.rf-marquee:hover .rf-marquee-track{animation-play-state:paused}
.rf-marquee-track img{height:38px;width:auto;object-fit:contain;
  filter:grayscale(1);opacity:.62;transition:opacity .25s}
.rf-marquee-track img:hover{opacity:1}
@keyframes rf-scroll{to{transform:translateX(-50%)}}

/* ---------- products (hairline grid of light panels) ---------- */
.rf-prod-group{margin-top:60px}
.rf-prod-group:first-of-type{margin-top:0}
.rf-prod-grouphead{display:flex;align-items:baseline;gap:16px;margin:0 0 22px;padding-bottom:16px;border-bottom:1px solid var(--line-2)}
.rf-prod-grouphead h3{font-family:var(--font-mono);font-size:13px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.rf-prod-grouphead .line{display:none}
.rf-prod-grouphead .count{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-left:auto}
.rf-product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.rf-product{background:#fff;overflow:hidden;display:flex;flex-direction:column;position:relative;transition:background .2s ease,box-shadow .2s ease}
.rf-product::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;z-index:3}
.rf-product:hover{background:#fff;box-shadow:var(--shadow-sm)}
.rf-product:hover::before{transform:scaleX(1)}
.rf-product-img{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.rf-product-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rf-product:hover .rf-product-img img{transform:scale(1.04)}
.rf-product-body{padding:24px;display:flex;flex-direction:column;flex:1}
.rf-product-cat{font-family:var(--font-mono);font-weight:500;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:10px}
.rf-product-body h4{font-size:21px;font-weight:600;color:var(--ink)}
.rf-product-body p{font-size:14.5px;color:var(--muted);margin:9px 0 18px}
.rf-product .cta-link{margin-top:auto}

/* ---------- solutions / use cases (full-bleed image tiles) ---------- */
.rf-solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.rf-solution{position:relative;overflow:hidden;min-height:440px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;background:#0a0b0d}
.rf-solution img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.9;transition:transform .5s ease,opacity .4s ease}
.rf-solution:hover img{transform:scale(1.05);opacity:1}
.rf-solution::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(8,9,11,0) 26%,rgba(8,9,11,.9) 100%)}
.rf-solution-body{position:relative;z-index:2;padding:30px}
.rf-solution-body h3{color:#fff;font-size:23px}
.rf-solution-body p{font-size:14.5px;color:rgba(255,255,255,.8);margin:9px 0 0}

/* ---------- showcase "In the field" (media + spec list) ---------- */
.rf-showcase{position:relative;background:var(--surface);overflow:hidden;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.rf-showcase-inner{display:grid;grid-template-columns:1fr 1.1fr;align-items:stretch;gap:0;max-width:var(--maxw);margin:0 auto}
.rf-showcase-text{padding:104px clamp(28px,5vw,72px)}
.rf-showcase-text h2{font-size:clamp(28px,3vw,44px);margin:18px 0 0;letter-spacing:-.03em}
.rf-showcase-text p{color:var(--text);font-size:17px;margin:20px 0 0}
.rf-showcase-list{list-style:none;padding:0;margin:30px 0 0;display:grid;gap:0}
.rf-showcase-list li{display:flex;gap:15px;align-items:center;font-size:15px;color:var(--ink);
  padding:15px 0;border-top:1px solid var(--line-2)}
.rf-showcase-list li:last-child{border-bottom:1px solid var(--line-2)}
.rf-showcase-list li::before{content:"";width:7px;height:7px;background:var(--brand);transform:rotate(45deg);flex:0 0 7px}
.rf-showcase-media{position:relative;min-height:520px;background:var(--surface-2)}
.rf-showcase-media video,.rf-showcase-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- testimonials (light panels) ---------- */
.rf-tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.rf-tst{background:#fff;padding:34px 30px;display:flex;flex-direction:column}
.rf-tst-quote{font-size:16px;line-height:1.65;color:var(--text);margin:0 0 24px;flex:1}
.rf-tst-quote::before{content:"";display:block;width:30px;height:2px;background:var(--brand);margin-bottom:20px}
.rf-tst-foot{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line-2);padding-top:20px}
.rf-tst-foot img{height:30px;width:auto;max-width:120px;object-fit:contain;filter:grayscale(1);opacity:.8}
.rf-tst-who b{font-family:var(--font-display);font-size:14.5px;color:var(--ink);display:block;line-height:1.3}
.rf-tst-who span{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}

/* ---------- certifications band ---------- */
.rf-certs{background:var(--bg);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:64px 0}
.rf-certs-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.rf-certs-lead{max-width:340px}
.rf-certs-lead h3{font-size:24px}
.rf-certs-lead p{font-size:14.5px;color:var(--muted);margin:11px 0 0}
.rf-certs-list{display:flex;gap:1px;flex-wrap:wrap;background:var(--line-2);border:1px solid var(--line-2)}
.rf-cert{display:flex;align-items:center;gap:12px;background:#fff;padding:18px 22px;min-width:172px;transition:background .2s ease}
.rf-cert:hover{background:var(--surface)}
.rf-cert .shield{width:30px;height:30px;border-radius:var(--radius-sm);background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;flex:0 0 30px}
.rf-cert b{font-family:var(--font-display);font-size:14px;color:var(--ink);display:block;line-height:1.2}
.rf-cert span{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}

/* ---------- CTA (the single red moment) ---------- */
.rf-cta{padding:120px 0;background:var(--surface);border-top:1px solid var(--line-2)}
.rf-cta-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  padding:72px clamp(32px,6vw,88px);background:#fff;box-shadow:var(--shadow)}
.rf-cta-card::before{content:"";position:absolute;right:-130px;top:-130px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(225,29,46,.14),transparent 70%)}
.rf-cta-inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.rf-cta h2{font-size:clamp(28px,3.4vw,46px);letter-spacing:-.03em}
.rf-cta p{color:var(--text);font-size:17px;margin:15px 0 0}
.rf-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- footer (light) ---------- */
.rf-footer{background:var(--surface);color:var(--muted);padding:78px 0 30px;border-top:1px solid var(--line-2)}
.rf-footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:40px}
.rf-footer-brand img{height:28px;margin-bottom:20px}
.rf-footer-brand p{font-size:13.5px;color:var(--faint);max-width:34ch;line-height:1.6}
.rf-footer-col h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin:0 0 18px}
.rf-footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .15s}
.rf-footer-col a:hover{color:var(--brand)}
.rf-footer-certs{margin-top:52px;padding-top:28px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rf-footer-certs span,.rf-footer-certs a{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 14px}
.rf-footer-certs a{transition:border-color .15s,color .15s}
.rf-footer-certs a:hover{border-color:var(--line-strong);color:var(--ink)}
.rf-footer-certs .qp{border:0;padding:0;font-family:var(--font-body);text-transform:none;letter-spacing:0;
  font-size:13px;color:var(--faint);flex:1;min-width:240px}
.rf-footer-bottom{margin-top:30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.03em;color:var(--faint)}
.rf-footer-bottom a{color:var(--muted)}.rf-footer-bottom a:hover{color:var(--ink)}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .rf-section{padding:84px 0}
  .rf-hero{min-height:92vh}
  .rf-product-grid,.rf-solution-grid,.rf-tst-grid{grid-template-columns:repeat(2,1fr)}
  .rf-showcase-inner{grid-template-columns:1fr}.rf-showcase-text{padding:64px 28px}.rf-showcase-media{min-height:380px}
  .rf-cta-inner{grid-template-columns:1fr;text-align:left}.rf-cta-actions{justify-content:flex-start}
  .rf-footer-top{grid-template-columns:1fr 1fr 1fr}
  .rf-certs-inner{justify-content:flex-start}
}
@media(max-width:768px){
  .rf-menu,.rf-header-cta .btn-ghost,.rf-header-cta .btn-secondary{display:none}
  .rf-burger{display:flex}
  body.rf-landing.nav-open .rf-menu{display:flex;position:absolute;top:64px;left:10px;right:10px;flex-direction:column;
    align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px;gap:2px;box-shadow:var(--shadow);max-height:calc(100vh - 84px);overflow:auto}
  body.rf-landing.nav-open .rf-menu>li>a{color:var(--text)}
  body.rf-landing.nav-open .rf-menu>li>a:hover,
  body.rf-landing.nav-open .rf-menu>li.menu-item-has-children:hover>a,
  body.rf-landing.nav-open .rf-menu>li.has-panel:hover>a{color:var(--ink)}
  body.rf-landing.nav-open .rf-menu .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 14px;background:transparent}
  body.rf-landing.nav-open .rf-menu .rf-panel{position:static;display:block;max-width:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 14px;background:transparent}
  body.rf-landing.nav-open .rf-panel-group{min-width:0;padding:0}
  body.rf-landing.nav-open .rf-panel-group+.rf-panel-group{border-left:0}
  body.rf-landing.nav-open .rf-panel-title{display:none}   /* no group subtitles in the mobile menu */
  .rf-section{padding:64px 0}
  .rf-hero{min-height:90vh;padding-top:84px}
  /* stats as a clean 2×2 grid on mobile (flex-wrap made 3+1 with orphan separators) */
  .rf-hero-strip-inner{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px;font-size:10.5px}
  .rf-hero-strip .sep,.rf-hero-strip .scroll{display:none}
  .rf-product-grid,.rf-solution-grid,.rf-tst-grid,.rf-certs-list{grid-template-columns:1fr}
  .rf-footer-top{grid-template-columns:1fr 1fr}
  .section-head{margin-bottom:40px}
  .btn{width:100%;justify-content:center}.rf-header-cta .btn{width:auto}
}
@media(max-width:480px){
  .rf-footer-top{grid-template-columns:1fr}
  /* language switcher collapses to the flag alone (as on redflaglxe.com) */
  .rf-lang-code{display:none}
  .rf-lang-btn img{width:24px;height:24px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}