/* ============================================================================
   REDDENDA · TWO-TIER PALANTIR NAV + MEGA-MENU + MOBILE DRAWER
   Shared across index / defense / finance / energy / transportation.
   Uses ONLY the existing :root tokens — introduces NO new colors.
   transform/opacity-only · one --ease · integer staggers · 320→1920px ·
   full a11y (focus-trap / ESC / aria-expanded / :focus-visible) ·
   prefers-reduced-motion = resolved final frame.
   ============================================================================ */
:root{
  --rdn-navh:108px;                 /* desktop two-tier height (JS keeps it live) */
  --ease-out:cubic-bezier(.22,1,.36,1);
}

/* ========== SCROLL-PROGRESS HAIRLINE ====================================== */
.rdn-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:90;
  background:var(--cobalt);transform:scaleX(0);transform-origin:0 50%;
  will-change:transform;box-shadow:0 0 8px var(--cobalt);pointer-events:none}

/* ========== NAV SHELL (two-tier) ========================================== */
.nav{position:absolute;top:36px;left:0;right:0;z-index:80}
.nav.fixed{position:fixed;top:0;background:rgba(10,10,11,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-d);animation:rdnNavIn .42s var(--ease)}
@keyframes rdnNavIn{from{transform:translateY(-100%)}to{transform:none}}
@media(prefers-reduced-motion:reduce){.nav.fixed{animation:none}}

.nav__in{max-width:1240px;margin:0 auto;color:#fff}

/* ---- ROW 1 : brand left · right cluster --------------------------------- */
.nav__r1{display:flex;align-items:center;gap:18px;padding:14px 32px}
@media(max-width:640px){.nav__r1{padding:12px 20px;gap:12px}}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand .mk{width:28px;height:28px;flex:0 0 auto}
/* the REDDENDA wordmark in polished CHROME (static text → background-clip is safe) */
.brand b{font-weight:600;letter-spacing:.16em;font-size:15px;white-space:nowrap;
  background-image:var(--chrome-grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
@supports not ((-webkit-background-clip:text) or (background-clip:text)){
  .brand b{color:var(--chrome-edge);-webkit-text-fill-color:var(--chrome-edge)}}
.brand .tld{font-family:var(--mono);font-size:10px;color:rgba(255,255,255,.55);
  border:1px solid rgba(255,255,255,.2);border-radius:4px;padding:1px 5px;white-space:nowrap}
@media(max-width:400px){.brand .tld{display:none}}
/* stacked lockup: wordmark line 1, persistent tagline line 2 */
.brand__col{display:flex;flex-direction:column;justify-content:center;gap:3px;line-height:1}
.brand__row{display:flex;align-items:center;gap:8px;line-height:1}
.brand__tag{font-family:var(--mono);font-size:9px;font-weight:500;letter-spacing:.15em;
  text-transform:uppercase;color:rgba(255,255,255,.5);white-space:nowrap}
@media(max-width:480px){.brand__tag{font-size:8px;letter-spacing:.08em}}

.nav__cluster{margin-left:auto;display:flex;align-items:center;gap:10px}

/* ghost-bordered primary CTA (Palantir pill) */
.nav__cta{display:inline-flex;align-items:center;justify-content:center;gap:7px;
  min-height:44px;padding:0 20px;font-weight:500;font-size:14px;letter-spacing:-.01em;
  color:#fff;border:1px solid rgba(255,255,255,.32);border-radius:3px;background:transparent;
  transition:border-color var(--d-sm,.34s) var(--ease-out),background var(--d-sm,.34s) var(--ease-out)}
.nav__cta:hover{border-color:#fff;background:rgba(255,255,255,.07)}
.nav__cta .arr{transition:transform var(--d-sm,.34s) var(--ease-out)}
.nav__cta:hover .arr{transform:translateX(3px)}

/* thin-bordered square icon buttons (search + hamburger) */
/* tiny phones: brand+tagline lockup needs the row — drop the search icon, keep the burger (drawer covers search/nav) */
@media(max-width:420px){.nav__icon[data-search]{display:none}}
.nav__iconwrap{display:flex;align-items:center}
.nav__icon{display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid rgba(255,255,255,.28);background:transparent;
  color:#fff;cursor:pointer;border-radius:3px;
  transition:border-color var(--d-sm,.34s) var(--ease-out),background var(--d-sm,.34s) var(--ease-out)}
.nav__icon+.nav__icon{margin-left:-1px}
.nav__icon:hover{border-color:#fff;background:rgba(255,255,255,.07)}
.nav__icon svg{width:18px;height:18px;display:block}

/* hamburger -> X morph (transform-only) */
.burger{flex-direction:column;gap:5px}
.burger span{width:20px;height:1.6px;background:#fff;display:block;border-radius:2px;
  transition:transform .32s var(--ease),opacity .2s var(--ease)}
.burger.x span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.burger.x span:nth-child(2){opacity:0}
.burger.x span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ---- ROW 2 : dropdown tabs ---------------------------------------------- */
.nav__r2{display:flex;align-items:center;gap:30px;padding:0 32px 12px;
  border-top:1px solid var(--line-d)}
.ntab{position:relative;display:inline-flex;align-items:center;gap:5px;
  font-size:16px;font-weight:300;line-height:1;color:rgba(255,255,255,.78);
  background:none;border:0;cursor:pointer;padding:11px 0;letter-spacing:-.01em;
  transition:color var(--d-sm,.34s) var(--ease-out)}
.ntab .chev{font-size:11px;opacity:.6;transition:transform var(--d-sm,.34s) var(--ease-out)}
.ntab::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--cobalt);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .22s var(--ease);will-change:transform}
.ntab:hover,.ntab[aria-expanded="true"],.ntab.active{color:#fff}
.ntab:hover::before,.ntab[aria-expanded="true"]::before,.ntab.active::before{transform:scaleX(1)}
.ntab[aria-expanded="true"] .chev{transform:rotate(180deg)}
.ntab--cta{margin-left:auto;color:rgba(255,255,255,.78)}
.ntab--cta::before{display:none}

@media(max-width:900px){.nav__r2{display:none}}
@media(max-width:520px){.nav__cta{display:none}}

/* ========== SIGNATURE DROPDOWN PANEL ====================================== */
.mega{position:fixed;left:0;right:0;top:var(--rdn-navh,108px);z-index:75;
  background:rgba(10,10,11,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d);
  opacity:0;transform:translateY(6px);pointer-events:none;visibility:hidden;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  will-change:transform,opacity}
.mega.open{opacity:1;transform:none;pointer-events:auto;visibility:visible}
.mega__in{max-width:1240px;margin:0 auto;padding:44px 32px;
  display:grid;grid-template-columns:45% 55%;gap:48px;align-items:start;color:#fff}
@media(max-width:1080px){.mega__in{grid-template-columns:42% 58%;gap:36px;padding:38px 28px}}

.mega__t{font-size:clamp(30px,3vw,40px);font-weight:300;letter-spacing:-.035em;
  line-height:1.02;color:var(--g-300,#C9CCD3)}
.mega__d{font-size:15px;line-height:1.5;color:var(--g-500,#7C8089);margin:14px 0 0;max-width:34ch}
.mega__cta{display:inline-flex;align-items:center;gap:7px;margin-top:22px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--cobalt)}
.mega__cta .arr{transition:transform var(--d-sm,.34s) var(--ease-out)}
.mega__cta:hover .arr{transform:translateX(4px)}

.mega__links{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
@media(max-width:1080px){.mega__links{gap:0 28px}}
.mega__links a{position:relative;display:block;padding:15px 0;font-size:17px;
  letter-spacing:-.01em;color:rgba(255,255,255,.8);
  border-top:1px solid var(--line-d);
  transition:color var(--d-sm,.34s) var(--ease-out),transform var(--d-sm,.34s) var(--ease)}
.mega__links a small{display:block;font-size:12.5px;color:var(--g-500,#7C8089);
  letter-spacing:0;margin-top:3px;line-height:1.35;
  transition:color var(--d-sm,.34s) var(--ease-out)}
.mega__links a:hover{color:#fff;transform:translateX(8px)}
.mega__links a:hover small{color:var(--g-300,#C9CCD3)}

/* diagonal-wave stagger : links rise on panel reveal (col + row) */
.mega__links a{opacity:0;transform:translateY(10px);
  transition:opacity .42s var(--ease),transform .42s var(--ease),
    color var(--d-sm,.34s) var(--ease-out)}
.mega.open .mega__links a{opacity:1;transform:none;
  transition-delay:calc((var(--col,0)*40ms) + (var(--row,0)*52ms) + 60ms)}
.mega__t,.mega__d{opacity:0;transform:translateY(8px);
  transition:opacity .42s var(--ease),transform .42s var(--ease)}
.mega.open .mega__t{opacity:1;transform:none;transition-delay:40ms}
.mega.open .mega__d{opacity:1;transform:none;transition-delay:110ms}
@media(max-width:900px){.mega{display:none}}

/* ========== MOBILE DRAWER (≤900px) ======================================== */
.drawer{position:fixed;inset:0;z-index:85;background:rgba(8,8,10,.98);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .34s var(--ease),transform .34s var(--ease),visibility .34s;
  overscroll-behavior:contain}
.drawer.open{opacity:1;visibility:visible;transform:none}
.drawer__top{display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px calc(14px + env(safe-area-inset-top));
  border-bottom:1px solid var(--line-d);flex:0 0 auto}
.drawer__x{display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid rgba(255,255,255,.28);border-radius:3px;
  background:none;color:#fff;cursor:pointer;font-size:22px;line-height:1;
  transition:border-color var(--d-sm,.34s) var(--ease-out),transform var(--d-sm,.34s) var(--ease-out)}
.drawer__x:hover{border-color:#fff;transform:rotate(90deg)}
.drawer__body{flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:8px 0 24px}

.dacc{border-bottom:1px solid var(--line-d)}
.dacc__h{width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:12px;min-height:60px;padding:0 20px;background:none;border:0;color:#fff;
  font-size:21px;font-weight:300;letter-spacing:-.02em;cursor:pointer;text-align:left}
.dacc__h .pl{font-family:var(--mono);font-size:22px;line-height:1;color:var(--g-500);
  transition:transform var(--d-sm,.34s) var(--ease-out),color var(--d-sm,.34s) var(--ease-out);flex:0 0 auto}
.dacc__h[aria-expanded="true"]{color:#fff}
.dacc__h[aria-expanded="true"] .pl{transform:rotate(45deg);color:var(--cobalt)}
.dacc__desc{padding:0 20px 4px;font-size:13.5px;color:var(--g-500);line-height:1.4;margin-top:-6px}
.dacc__panel{overflow:hidden;max-height:0;
  transition:max-height .38s var(--ease)}
.dacc__h[aria-expanded="true"]+.dacc__desc+.dacc__panel,
.dacc__h[aria-expanded="true"]+.dacc__panel{max-height:640px}
.dacc__panel a{min-height:52px;padding:13px 20px 13px 22px;
  font-size:16px;color:rgba(255,255,255,.8);border-top:1px solid var(--line-d);
  display:flex;flex-direction:column;justify-content:center;
  transition:color var(--d-sm,.34s) var(--ease-out),background var(--d-sm,.34s) var(--ease-out)}
.dacc__panel a:hover,.dacc__panel a:focus-visible{color:#fff;background:rgba(255,255,255,.04)}
.dacc__panel a small{font-size:12px;color:var(--g-500);margin-top:2px}
.drawer__footcta{flex:0 0 auto;padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line-d)}
.drawer__footcta a{display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;min-height:54px;background:var(--cobalt);color:#fff;font-weight:500;
  font-size:16px;border-radius:3px}
.drawer__footcta a:hover{background:var(--cobalt-700)}

@media(min-width:901px){.drawer{display:none}}

/* ========== SHARED A11Y / TAP-TARGET HYGIENE ============================== */
.nav *{-webkit-tap-highlight-color:transparent}
.drawer *{-webkit-tap-highlight-color:transparent}
.nav :focus-visible,.mega :focus-visible,.drawer :focus-visible{
  outline:2px solid var(--cobalt);outline-offset:2px;border-radius:2px}
body.rdn-lock{overflow:hidden}

/* ========== STICKY MOBILE THUMB-ZONE CTA ================================== */
.mcta{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(10,10,11,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--rule-dark);
  transform:translateY(120%);transition:transform var(--d-md,.58s) var(--ease)}
.mcta.show{transform:none}
.mcta a{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  min-height:52px;background:var(--cobalt);color:#fff;font-weight:500;font-size:16px;border-radius:3px}
.mcta a:hover{background:var(--cobalt-700)}
@media(max-width:880px){.mcta{display:block}}

/* ========== REDUCED MOTION : resolved final frame, never animate ========== */
@media(prefers-reduced-motion:reduce){
  .rdn-progress{transition:none}
  .nav__cta .arr,.mega__cta .arr,.drawer__x,.ntab .chev{transition:none}
  .burger span{transition:none}
  .mega{transition:opacity .001ms,visibility .001ms;transform:none}
  .mega.open{transform:none}
  .mega__links a,.mega__t,.mega__d{transition:none;opacity:1;transform:none}
  .mega.open .mega__links a{transition-delay:0s}
  .drawer{transition:opacity .001ms,visibility .001ms;transform:none}
  .dacc__panel{transition:none}
  .ntab::before{transition:none}
  .mcta{transition:none}
}