/* ============================================================
   CodeStan — Interactive Navigation System
   Command Panel mega menus · immersive mobile menu
   ============================================================ */

html.nv-lock{overflow:hidden}

/* ---------------- Header shell ---------------- */
.nav{--nv-h:80px}
.nav .nav-inner{height:var(--nv-h);transition:height var(--dur-3) var(--ease);position:relative;z-index:3}
.nav::before{ /* soft background glow */
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity var(--dur-3);
  background:radial-gradient(60% 140% at 50% -40%,rgba(162,250,163,.09),transparent 70%);
}
.nav.is-scrolled::before,.nav.is-mega-open::before{opacity:1}
.nav.is-scrolled{--nv-h:64px;box-shadow:0 14px 40px rgba(0,0,0,.35)}
.nav.is-scrolled .nav-logo img{transform:scale(.92)}
.nav-logo img{transition:transform var(--dur-3) var(--ease)}
.nav.is-mega-open{background:rgba(14,14,14,.92);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-color:var(--stroke-soft)}
.nav.is-menu-open{background:transparent;border-color:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}

/* floating widgets always yield to the command panel — nothing overlaps it */
.wa-float,.widget-tab{transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s}
html.nv-mega-on .wa-float,html.nv-mega-on .widget-tab{
  opacity:0;visibility:hidden;transform:translateY(16px);pointer-events:none;
}

/* ---------------- Links + ink indicator ---------------- */
.nav .nav-links{display:flex;align-items:center;gap:2px;margin-inline-start:auto;position:relative;padding:0}
.nv-link{
  display:inline-flex;align-items:center;gap:6px;padding:9px 5px;font-size:14.5px;font-weight:500;
  color:var(--text-p1);border-radius:var(--r-sm);position:relative;z-index:1;
  transition:color var(--dur-2),background var(--dur-2);
}
.nv-link:hover{color:var(--brand)}
.nv-link.is-current{color:var(--brand)}
.nv-caret{width:7px;height:7px;border-inline-end:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2px);transition:transform var(--dur-2) var(--ease);opacity:.7}
.nv-has-mega.is-open .nv-caret{transform:rotate(225deg) translateY(-1px)}
.nv-ink{
  position:absolute;top:50%;left:0;height:32px;border-radius:var(--r-sm);
  background:rgba(162,250,163,.08);box-shadow:inset 0 0 0 1px rgba(162,250,163,.14);
  transform:translateX(0);margin-top:-16px;opacity:0;pointer-events:none;
  transition:transform var(--dur-3) var(--ease),width var(--dur-3) var(--ease),opacity var(--dur-2);
}
.nav .nv-cta{transition:transform var(--dur-2) var(--ease),box-shadow var(--dur-2) var(--ease),padding var(--dur-3) var(--ease)}
.nav.is-scrolled .nv-cta{box-shadow:0 6px 24px rgba(162,250,163,.22)}

/* burger */
.nv-burger{display:none;flex-direction:column;justify-content:center;gap:5px;padding:10px;position:relative;z-index:5}
.nv-burger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur-3) var(--ease),opacity var(--dur-2),width var(--dur-3) var(--ease)}
.nv-burger span:nth-child(2){width:15px;margin-inline-start:auto}
.nv-burger.is-x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nv-burger.is-x span:nth-child(2){opacity:0;width:22px}
.nv-burger.is-x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- Mega command panel ---------------- */
.nv-mega{
  position:absolute;top:100%;inset-inline:0;z-index:2;
  background:rgba(13,13,13,.9);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--stroke-soft);
  opacity:0;visibility:hidden;transform:translateY(-14px);filter:blur(6px);
  transition:opacity var(--dur-3) var(--ease),transform var(--dur-3) var(--ease),filter var(--dur-3) var(--ease),visibility 0s .35s;
  overflow:hidden auto;max-height:calc(100vh - var(--nv-h) - 8px);
}
.nv-mega.is-open{opacity:1;visibility:visible;transform:translateY(0);filter:blur(0);transition-delay:0s}
.nv-mega-glow{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(46% 120% at 18% 0%,rgba(162,250,163,.07),transparent 60%),
             radial-gradient(40% 110% at 85% 10%,rgba(162,250,163,.05),transparent 60%);}
.nv-mega-inner{position:relative;display:block;padding-block:40px 34px}

.nv-view{display:none;grid-template-columns:250px 1fr 420px;gap:22px 40px;align-items:stretch;
  min-height:590px;align-content:space-between}  /* both worlds share one height — the cross bar never jumps */
.nv-view.is-on{display:grid;animation:nvViewIn .45s var(--ease) both}
.nv-mega.is-switching .nv-view.is-on{animation:nvViewOut .18s ease both}
@keyframes nvViewIn{from{opacity:0;transform:translateY(14px) scale(.985);filter:blur(4px)}to{opacity:1;transform:none;filter:blur(0)}}
@keyframes nvViewOut{to{opacity:0;transform:translateY(-10px) scale(.99);filter:blur(4px)}}

/* intro column — one clean hierarchy: headline · text · question · CTA */
.nv-col-intro{display:flex;flex-direction:column;gap:16px;padding-inline-end:40px;border-inline-end:1px solid var(--stroke-soft)}
.nv-intro-title{margin:0;font-size:21px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
.nv-intro-text{color:var(--text-p2);font-size:14.5px;line-height:1.65;margin:0}
.nv-intro-q{margin:auto 0 0;color:var(--text-p1);font-size:14px;font-weight:600;line-height:1.5}
.nv-cta-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;color:var(--brand);width:fit-content}
.nv-arrow{font-style:normal;transition:transform var(--dur-2) var(--ease);display:inline-block}
.nv-cta-link:hover .nv-arrow{transform:translateX(4px)}
[dir="rtl"] .nv-arrow{transform:scaleX(-1)}
[dir="rtl"] .nv-cta-link:hover .nv-arrow{transform:scaleX(-1) translateX(4px)}
/* cross-world bridge — slim full-width bar below the panel */
.nv-cross{
  grid-column:1/-1;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 18px;border:1px solid var(--stroke);border-radius:var(--r-pill);
  color:var(--text-p2);font-size:13px;
  transition:border-color var(--dur-2),background var(--dur-2),transform var(--dur-2) var(--ease);
}
.nv-cross b{color:var(--brand);font-size:13.5px;display:inline-flex;align-items:center;gap:8px}
.nv-cross:hover{border-color:var(--brand-line);background:rgba(162,250,163,.05);transform:translateY(-2px)}
.nv-cross:hover .nv-arrow{transform:translateX(4px)}
[dir="rtl"] .nv-cross:hover .nv-arrow{transform:scaleX(-1) translateX(4px)}

/* ---------------- Service network ---------------- */
.nv-col-net{min-width:0}
.nv-net{position:relative;height:352px}
.nv-net-svg{position:absolute;inset:0;width:100%;height:100%}
.nv-line{opacity:.28;transition:opacity var(--dur-2),stroke-width var(--dur-2)}
.nv-line.is-hot{opacity:.95;stroke-width:1.8;stroke-dasharray:5 6;animation:nvDash .9s linear infinite}
@keyframes nvDash{to{stroke-dashoffset:-22}}
.nv-packet{opacity:.9}
.nv-hub{
  position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none;
}
.nv-hub i{
  width:64px;height:64px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,rgba(162,250,163,.32),rgba(162,250,163,.06) 60%),#101210;
  border:1px solid var(--brand-line);
  box-shadow:0 0 44px rgba(162,250,163,.22),inset 0 0 18px rgba(162,250,163,.12);
  animation:nvHubPulse 3.2s ease-in-out infinite;
}
@keyframes nvHubPulse{50%{box-shadow:0 0 64px rgba(162,250,163,.34),inset 0 0 22px rgba(162,250,163,.18)}}
.nv-hub span{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.nv-node{
  position:absolute;transform:translate(-50%,-50%);
  display:flex;align-items:center;gap:8px;padding:9px 15px;border-radius:var(--r-pill);
  background:rgba(22,24,22,.86);border:1px solid var(--stroke);backdrop-filter:blur(6px);
  font-size:13px;font-weight:600;color:var(--text-p1);white-space:nowrap;
  transition:border-color var(--dur-2),color var(--dur-2),box-shadow var(--dur-2),background var(--dur-2),transform var(--dur-2) var(--ease);
  animation:nvFloat 5.2s ease-in-out var(--fd,0s) infinite;
}
@keyframes nvFloat{50%{margin-top:-9px}}
.nv-node i{width:8px;height:8px;border-radius:50%;background:var(--nc);box-shadow:0 0 10px var(--nc);flex:none;transition:box-shadow var(--dur-2)}
.nv-node:hover,.nv-node.is-hot{
  border-color:var(--nc);color:#fff;background:rgba(26,28,26,.95);
  transform:translate(-50%,-50%) scale(1.07);
  box-shadow:0 10px 28px rgba(0,0,0,.45),0 0 26px color-mix(in srgb,var(--nc) 34%,transparent);
  animation-play-state:paused;
}
.nv-node:hover i,.nv-node.is-hot i{box-shadow:0 0 16px var(--nc)}

/* ---------------- Marketplace: category rail + product grid ---------------- */
.nv-col-grid{min-width:0;display:flex;flex-direction:column;gap:14px}
.nv-cats{display:flex;flex-wrap:wrap;gap:8px}
.nv-cat{
  display:inline-flex;align-items:center;gap:8px;padding:8px 13px;
  border:1px solid var(--stroke);border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--text-p2);
  transition:border-color var(--dur-2),color var(--dur-2),background var(--dur-2),transform var(--dur-2) var(--ease);
}
.nv-cat i{width:6px;height:6px;border-radius:50%;background:var(--brand);opacity:.4;transition:opacity var(--dur-2),box-shadow var(--dur-2)}
.nv-cat em{font-style:normal;font-size:10.5px;font-weight:700;color:var(--text-p2);opacity:.7;
  background:rgba(255,255,255,.05);border-radius:var(--r-pill);padding:1px 7px}
.nv-cat:hover{color:var(--text-p1);border-color:var(--brand-line);transform:translateY(-1px)}
.nv-cat.is-active{color:var(--brand);border-color:var(--brand-line);background:rgba(162,250,163,.07)}
.nv-cat.is-active i{opacity:1;box-shadow:0 0 8px var(--brand)}
.nv-pgrid{
  display:grid;gap:12px;width:100%;flex:1;align-content:start;
  grid-template-columns:repeat(auto-fit,minmax(128px,1fr));
  transition:opacity .16s ease,transform .16s ease,filter .16s ease;
}
.nv-pgrid.is-swap{opacity:0;transform:translateY(8px);filter:blur(4px)}
.nv-ptile{
  display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:15px;
  border:1px solid var(--stroke);border-radius:var(--r-md);background:rgba(24,24,24,.55);
  color:var(--text-p1);text-align:start;
  transition:transform var(--dur-2) var(--ease),border-color var(--dur-2),background var(--dur-2),box-shadow var(--dur-2);
  animation:nvTileIn .5s var(--ease) both;animation-delay:calc(var(--i)*45ms);
}
@keyframes nvTileIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.nv-ptile svg{width:22px;height:22px;color:var(--pc);transition:transform var(--dur-2) var(--ease)}
.nv-ptile span{font-size:13px;font-weight:600;line-height:1.35}
.nv-ptile:hover,.nv-ptile.is-hot{
  transform:translateY(-4px);border-color:var(--pc);background:rgba(28,30,27,.85);
  box-shadow:0 12px 30px rgba(0,0,0,.4),0 0 18px color-mix(in srgb,var(--pc) 18%,transparent);
}
.nv-ptile:hover svg,.nv-ptile.is-hot svg{transform:scale(1.14) rotate(-4deg)}

/* ---------------- Preview panel ---------------- */
.nv-col-preview{min-width:0}
.nv-pv{height:100%;transition:opacity .15s ease,transform .15s ease,filter .15s ease}
.nv-pv.is-morph{opacity:0;transform:translateY(10px) scale(.98);filter:blur(4px)}
.nv-pv-card{
  height:100%;display:flex;flex-direction:column;gap:13px;padding:20px;
  border:1px solid var(--stroke);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(30,32,29,.7),rgba(18,18,18,.9));
  box-shadow:var(--shadow-sharp);
  animation:nvPvIn .38s var(--ease) both;
}
@keyframes nvPvIn{from{opacity:0;transform:translateY(12px) scale(.98);filter:blur(4px)}to{opacity:1;transform:none;filter:blur(0)}}
.nv-pv-head{display:flex;align-items:center;gap:10px}
.nv-pv-head strong{font-size:16px;font-weight:650}
.nv-pv-dot{width:9px;height:9px;border-radius:50%;background:var(--c);box-shadow:0 0 12px var(--c);margin-inline-start:auto;animation:nvBlink 2.2s ease-in-out infinite}
@keyframes nvBlink{50%{opacity:.35}}
.nv-pv-dash{border-radius:var(--r-md);overflow:hidden;line-height:0}
.nv-dashsvg{width:100%;height:auto;display:block}
.nv-pv-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.nv-pv-stat{
  display:flex;flex-direction:column;gap:2px;padding:8px 11px;
  border:1px solid var(--stroke-soft);border-radius:var(--r-sm);background:rgba(255,255,255,.02);
}
.nv-pv-stat b{font-size:15px;font-weight:700;color:var(--brand);line-height:1.1}
.nv-pv-stat span{font-size:10.5px;color:var(--text-p2);line-height:1.25}
.nv-pv-row{display:flex;align-items:flex-start;gap:12px;font-size:13px}
.nv-pv-row>span{color:var(--text-p2);flex:none;width:104px;padding-top:1px}
[dir="rtl"] .nv-pv-row>span{width:96px}
.nv-pv-row b{font-weight:600;font-size:13.5px}
.nv-pv-duo{display:grid;grid-template-columns:1.4fr 1fr;gap:10px;align-items:stretch}
.nv-pv-duo>span{display:block;width:auto;padding-top:0;font-size:11px;margin-bottom:4px}
.nv-pv-duo>span,.nv-pv-duo>b{grid-row:auto}
.nv-pv-duo b{white-space:nowrap}
.nv-pv-sep{display:none}
.nv-chips{display:flex;flex-wrap:wrap;gap:6px}
.nv-chips i{font-style:normal;font-size:11.5px;font-weight:600;padding:4px 9px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text-p1)}
.nv-go{
  margin-top:auto;display:flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 18px;border-radius:var(--r-pill);font-weight:700;font-size:14px;letter-spacing:.02em;
  color:#10140f;background:var(--gc,#a2faa3);
  box-shadow:0 0 0 0 transparent;transition:transform var(--dur-2) var(--ease),box-shadow var(--dur-2) var(--ease);
}
.nv-go:hover{transform:translateY(-2px);box-shadow:0 10px 30px color-mix(in srgb,var(--gc,#a2faa3) 32%,transparent)}
.nv-go:hover .nv-arrow{transform:translateX(4px)}
[dir="rtl"] .nv-go:hover .nv-arrow{transform:scaleX(-1) translateX(4px)}

/* ---------------- Veil — the page behind is softly hidden, never readable ----------------
   lives on <body>; sits above the page (z:95) and below the header (z:100) */
.nv-veil{
  position:fixed;inset:0;z-index:95;background:rgba(6,6,6,.9);
  backdrop-filter:blur(26px) saturate(.5);-webkit-backdrop-filter:blur(26px) saturate(.5);
  opacity:0;visibility:hidden;transition:opacity var(--dur-3) var(--ease),visibility 0s .35s;
}
.nv-veil.is-on{opacity:1;visibility:visible;transition-delay:0s}

/* ---------------- Mobile fullscreen menu ---------------- */
.nv-mmenu{
  position:fixed;inset:0;z-index:98;background:rgba(9,9,9,.985);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transition:opacity var(--dur-3) var(--ease),visibility 0s .35s;
}
html.nv-lock .widget-tab, html.nv-lock .wa-float{display:none}
.nv-mmenu.is-open{opacity:1;visibility:visible;transition-delay:0s}
.nv-mm-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.nv-mm-bg i{
  position:absolute;border-radius:50%;filter:blur(60px);opacity:.16;
  animation:nvMmDrift 11s ease-in-out infinite alternate;
}
.nv-mm-bg i:nth-child(1){width:340px;height:340px;background:#a2faa3;top:-8%;inset-inline-start:-10%}
.nv-mm-bg i:nth-child(2){width:260px;height:260px;background:#8ff5d2;top:36%;inset-inline-end:-14%;animation-delay:-3s}
.nv-mm-bg i:nth-child(3){width:200px;height:200px;background:#93c5fd;bottom:-6%;inset-inline-start:16%;animation-delay:-6s}
.nv-mm-bg i:nth-child(4){width:8px;height:8px;filter:none;background:#a2faa3;top:30%;inset-inline-start:60%;opacity:.5;animation-duration:7s}
.nv-mm-bg i:nth-child(5){width:6px;height:6px;filter:none;background:#8ff5d2;top:64%;inset-inline-start:26%;opacity:.45;animation-duration:9s;animation-delay:-4s}
@keyframes nvMmDrift{to{transform:translate(34px,-30px)}}
.nv-mm-scroll{position:relative;height:100%;overflow-y:auto;padding:calc(var(--nv-h,80px) + 20px) 28px 48px;display:flex;flex-direction:column;gap:8px}
.nv-mm-links{display:flex;flex-direction:column}
.nv-mm-link{
  display:flex;align-items:baseline;gap:16px;padding:13px 4px;font-size:26px;font-weight:650;
  color:var(--text);border-bottom:1px solid var(--stroke-soft);
  opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease),color var(--dur-2);
  transition-delay:calc(60ms + var(--i)*55ms);
}
.nv-mmenu.is-open .nv-mm-link{opacity:1;transform:none}
.nv-mm-link em{font-style:normal;font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.1em}
.nv-mm-link.is-current{color:var(--brand)}
.nv-mm-link:active{color:var(--brand)}
.nv-mm-group{margin-top:10px;opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease) .5s,transform .5s var(--ease) .5s}
.nv-mmenu.is-open .nv-mm-group{opacity:1;transform:none}
.nv-mm-group-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 4px;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-p2);
}
.nv-mm-group-head .nv-caret{width:9px;height:9px}
.nv-mm-group.is-open .nv-mm-group-head .nv-caret{transform:rotate(225deg)}
.nv-mm-chips{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-height:0;overflow:hidden;transition:max-height .5s var(--ease),padding .3s}
.nv-mm-group.is-open .nv-mm-chips{max-height:1900px;padding-block:8px 14px}
.nv-mm-cat{
  grid-column:1/-1;margin:10px 0 -2px;font-size:11px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand);opacity:.85;
}
.nv-mm-cat:first-child{margin-top:0}
.nv-mm-chip{
  display:flex;align-items:center;gap:9px;padding:13px 14px;border:1px solid var(--stroke);
  border-radius:var(--r-md);font-size:13.5px;font-weight:600;color:var(--text-p1);text-align:start;
  transition:border-color var(--dur-2),background var(--dur-2);
}
.nv-mm-chip i{width:7px;height:7px;border-radius:50%;background:var(--nc);box-shadow:0 0 8px var(--nc);flex:none}
.nv-mm-chip:active{border-color:var(--nc);background:rgba(255,255,255,.04)}
.nv-mm-cta{margin-top:auto;justify-content:center;width:100%;padding:16px;font-size:16px;
  opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease) .62s,transform .5s var(--ease) .62s}
.nv-mmenu.is-open .nv-mm-cta{opacity:1;transform:none}

/* ---------------- Transit overlay (all pages) ---------------- */
.transit{position:fixed;inset:0;z-index:300;pointer-events:none;visibility:hidden}
.transit.is-run{visibility:visible;pointer-events:auto}
.transit-glow{
  position:absolute;left:var(--tx,50%);top:var(--ty,50%);
  width:20px;height:20px;border-radius:50%;transform:translate(-50%,-50%) scale(0);
  background:radial-gradient(circle,var(--ta,#a2faa3) 0%,rgba(19,19,19,.97) 68%);
  transition:transform .85s cubic-bezier(.7,0,.3,1),opacity .3s;
}
.transit.is-run .transit-glow{transform:translate(-50%,-50%) scale(240)}
.transit.is-leave .transit-glow{transform:translate(-50%,-50%) scale(0);opacity:1;transition:transform .9s var(--ease)}

/* ---------------- Responsive ---------------- */
@media(max-width:1280px){
  .nv-view{grid-template-columns:220px 1fr 350px;gap:18px 24px}
  .nv-pv-row>span{width:92px}
  .nv-link{padding:9px 9px;font-size:13.5px}
}
@media(max-width:1120px){
  .nav .nav-links{display:none}
  .nav .nv-cta{display:none}
  .nv-burger{display:flex}
  .nv-mega{display:none}
}

/* ---------------- Reduced motion ---------------- */
@media(prefers-reduced-motion:reduce){
  .nv-node,.nv-hub i,.nv-mm-bg i,.nv-pv-dot{animation:none}
  .nv-node:hover,.nv-node.is-hot{transform:translate(-50%,-50%)}
  .nv-line.is-hot{animation:none;stroke-dasharray:none}
  .nv-ptile{animation:none}
  .nv-mega,.nv-view.is-on,.nv-pv-card,.nv-mmenu,.nv-mm-link,.nv-mm-group,.nv-mm-cta{transition-duration:.01ms;animation-duration:.01ms}
  .transit-glow{transition:none}
}

/* ---------------- shared backend submit error (nav.js csFormError) ---------------- */
.cs-form-err{margin:10px 0 0;font-size:11px;font-weight:400;color:#d99;line-height:1.6}