/* ==========================================================================
   CHV HyperSite v1 — shared navigation + footer
   One header and one footer for every page. Light first, dark on the toggle.
   Theme lives on <html data-theme="light|dark"> and in localStorage "chv_theme".
   ========================================================================== */
:root{--hx-h:64px;--hx-blue:#62B6DC;--hx-side:max(16px,calc((100% - 1240px) / 2))}
@media (min-width:600px){:root{--hx-side:max(clamp(16px,6vw,88px),calc((100% - 1240px) / 2))}}
.hx-nav,.hx-foot,.hx-sheet{
  --hx-bg:#FFFFFF;--hx-fg:#0B0F17;--hx-soft:#3B4653;--hx-mute:#6A7684;--hx-line:rgba(11,15,23,.10);--hx-line2:rgba(11,15,23,.18);
  --hx-panel:#FFFFFF;--hx-hover:#F1F4F8;--hx-shadow:0 24px 60px rgba(11,17,24,.14);
  font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;box-sizing:border-box}
:root[data-theme="dark"] .hx-nav,:root[data-theme="dark"] .hx-foot,:root[data-theme="dark"] .hx-sheet{
  --hx-bg:#05080D;--hx-fg:#EEF1F5;--hx-soft:#C2CAD4;--hx-mute:#8A95A3;--hx-line:rgba(255,255,255,.09);--hx-line2:rgba(255,255,255,.18);
  --hx-panel:#0A0F16;--hx-hover:#121923;--hx-shadow:0 24px 60px rgba(0,0,0,.55)}
.hx-nav *,.hx-foot *,.hx-sheet *{box-sizing:border-box}

/* ---------- bar ---------- */
.hx-nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding-top:env(safe-area-inset-top,0px);background:var(--hx-bg);border-bottom:1px solid var(--hx-line);color:var(--hx-fg)}
.hx-in{height:var(--hx-h);display:flex;align-items:center;gap:26px;padding-inline:var(--hx-side)}
.hx-nav .hx-brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none;color:inherit}
.hx-nav .hx-mark{width:44px!important;height:44px!important;flex:none;border-radius:50%;overflow:hidden;background:#04070C;display:block;-webkit-mask-image:radial-gradient(circle at 50% 46%,#000 56%,transparent 72%);mask-image:radial-gradient(circle at 50% 46%,#000 56%,transparent 72%)}
.hx-nav .hx-mark video{width:100%;height:100%;object-fit:cover;display:block;mix-blend-mode:screen;transform:scale(1.12) translateY(3%)}
.hx-nav .hx-wm{display:block;height:34px!important;width:auto!important;max-width:none;filter:none!important}
.hx-nav .hx-wm-d,.hx-foot .hx-wm-d{display:none!important}
:root[data-theme="dark"] .hx-nav .hx-wm-l,:root[data-theme="dark"] .hx-foot .hx-wm-l{display:none!important}
:root[data-theme="dark"] .hx-nav .hx-wm-d,:root[data-theme="dark"] .hx-foot .hx-wm-d{display:block!important}

.hx-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.hx-top{position:relative;display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border:0;border-radius:999px;background:transparent;color:var(--hx-soft);font:400 14px/1 Arial,Helvetica,sans-serif;text-decoration:none;cursor:pointer;white-space:nowrap}
.hx-top:hover,.hx-top[aria-expanded="true"]{color:var(--hx-fg);background:var(--hx-hover)}
.hx-top svg{width:12px;height:12px;transition:transform .25s}
.hx-top[aria-expanded="true"] svg{transform:rotate(180deg)}
.hx-top.hx-on{color:var(--hx-fg)}
.hx-top.hx-on::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1.5px;border-radius:2px;background:var(--hx-blue)}

.hx-right{margin-left:auto;display:flex;align-items:center;gap:18px}
.hx-tel{font:400 13px/1 "IBM Plex Mono",ui-monospace,Menlo,monospace;color:var(--hx-soft);text-decoration:none;white-space:nowrap}
.hx-tel:hover{color:var(--hx-fg)}
.hx-tgl{flex:none;position:relative;width:30px;height:16px;padding:0;border-radius:999px;border:1px solid var(--hx-line2);background:#E8EDF3;cursor:pointer}
.hx-tgl::before{content:"";position:absolute;inset:-14px -8px}
.hx-tgl i{position:absolute;top:1px;left:1px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(4,7,12,.25);transition:transform .3s cubic-bezier(.2,.7,.2,1),background .3s}
:root[data-theme="dark"] .hx-tgl{background:#1A222D}
:root[data-theme="dark"] .hx-tgl i{transform:translateX(14px);background:var(--hx-blue)}
.hx-cta{position:relative;overflow:hidden;isolation:isolate;display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;background:var(--hx-blue);color:#04070C;font:400 14px/1 Arial,Helvetica,sans-serif;text-decoration:none;white-space:nowrap;animation:hxbreathe 3.2s ease-in-out infinite;transition:transform .25s,box-shadow .25s}
.hx-cta::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;z-index:-1;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-18deg);transition:left .6s ease}
.hx-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(98,182,220,.45);animation:none}
.hx-cta:hover::after{left:120%}
@keyframes hxbreathe{0%,100%{box-shadow:0 6px 18px rgba(98,182,220,.32)}50%{box-shadow:0 6px 24px rgba(98,182,220,.55)}}
.hx-burger{display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--hx-line2);background:transparent;color:var(--hx-fg);cursor:pointer;align-items:center;justify-content:center}
.hx-burger svg{width:18px;height:18px}

/* ---------- mega panels ---------- */
.hx-panel{position:absolute;left:0;right:0;top:100%;background:var(--hx-panel);border-bottom:1px solid var(--hx-line);box-shadow:var(--hx-shadow);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .22s,transform .3s cubic-bezier(.2,.7,.2,1),visibility 0s .3s}
.hx-panel.hx-open{opacity:1;visibility:visible;transform:none;transition:opacity .22s,transform .3s cubic-bezier(.2,.7,.2,1),visibility 0s}
.hx-pin{padding:28px var(--hx-side) 22px}
.hx-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 28px}
.hx-col h6{margin:0 0 10px;font:400 11px/1 Arial,Helvetica,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--hx-mute)}
.hx-item{display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px;align-items:start;padding:10px;margin:0 -10px;border-radius:14px;text-decoration:none;color:inherit;transition:background .2s}
.hx-item:hover,.hx-item:focus-visible{background:var(--hx-hover);outline:0}
.hx-item.hx-here{background:var(--hx-hover)}
.hx-ic{width:38px;height:38px;border-radius:12px;border:1px solid var(--hx-line2);display:grid;place-items:center;color:var(--hx-blue)}
.hx-ic svg{width:18px;height:18px}
.hx-item b{display:block;font:400 15px/1.3 Arial,Helvetica,sans-serif;color:var(--hx-fg)}
.hx-item span{display:block;margin-top:3px;font:400 13px/1.4 Arial,Helvetica,sans-serif;color:var(--hx-mute)}
.hx-pfoot{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--hx-line);font:400 13px/1 Arial,Helvetica,sans-serif}
.hx-pfoot a{color:var(--hx-fg);text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.hx-pfoot a svg{width:13px;height:13px;transition:transform .25s}
.hx-pfoot a:hover svg{transform:translateX(3px)}
.hx-pfoot span{color:var(--hx-mute)}
/* software cards */
.hx-apps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.hx-app{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:6px;min-height:150px;padding:18px;border-radius:18px;background:#04070C;color:#fff;text-decoration:none;border:1px solid transparent;transition:transform .25s,box-shadow .25s}
.hx-app:hover,.hx-app:focus-visible{transform:translateY(-3px);box-shadow:0 18px 40px rgba(4,7,12,.3);outline:0}
.hx-app.hx-here{border-color:var(--hx-blue)}
.hx-app::before{content:"";position:absolute;left:52%;top:-70%;width:110%;height:240%;border-radius:50%;border:1.5px solid var(--hx-blue);opacity:.8}
.hx-app::after{content:"";position:absolute;left:46%;top:-84%;width:124%;height:268%;border-radius:50%;border:1px dashed rgba(98,182,220,.4);animation:hxspin 48s linear infinite}
.hx-app:hover::after{animation-duration:14s}
@keyframes hxspin{to{transform:rotate(360deg)}}
.hx-app b{position:relative;font:400 20px/1 Arial,Helvetica,sans-serif;letter-spacing:.14em}
.hx-app em{position:relative;font:400 11px/1 Arial,Helvetica,sans-serif;font-style:normal;letter-spacing:.2em;text-transform:uppercase;color:#9FD3EC}
.hx-app span{position:relative;margin-top:auto;font:400 13px/1.45 Arial,Helvetica,sans-serif;color:#C9D3DC;max-width:24em}
.hx-app i{position:relative;font:400 12px/1 Arial,Helvetica,sans-serif;font-style:normal;color:var(--hx-blue);margin-top:6px}

/* ---------- mobile sheet ---------- */
body.hx-locked{overflow:hidden}

@media (max-width:1180px){.hx-tel{display:none}}
@media (max-width:1020px){.hx-menu{display:none}.hx-burger{display:inline-flex;border:0;margin-left:-8px}.hx-right{gap:12px}.hx-in{gap:14px}}

/* ---------- footer ---------- */
.hx-foot{background:var(--hx-bg);color:var(--hx-soft);border-top:1px solid var(--hx-line);padding:48px var(--hx-side) calc(26px + env(safe-area-inset-bottom,0px))}
.hx-fgrid{display:grid;grid-template-columns:1.3fr repeat(4,minmax(0,1fr));gap:32px 36px}
.hx-fbrand img{height:44px;width:auto;display:block}
.hx-fbrand p{margin:14px 0 0;font-size:14px;line-height:1.6;color:var(--hx-mute);max-width:26em}
.hx-foot h6{margin:0 0 14px;font:700 10px/1 Arial,Helvetica,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--hx-mute)}
.hx-foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:14px}
.hx-foot a{color:var(--hx-soft);text-decoration:none}
.hx-foot a:hover{color:var(--hx-fg)}
.hx-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22C55E;margin-right:8px;vertical-align:1px}
.hx-fbar{margin-top:36px;padding-top:20px;border-top:1px solid var(--hx-line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12px;color:var(--hx-mute)}
@media (max-width:1000px){.hx-fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.hx-fbrand{grid-column:1/-1}}
@media (max-width:480px){.hx-fgrid{grid-template-columns:minmax(0,1fr)}}


/* ==========================================================================
   Drawer menu (tablet + phone) — slides in from the left, Grok-style
   ========================================================================== */
.hx-scrim{position:fixed;inset:0;z-index:1001;background:rgba(4,7,12,.38);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s .3s}
.hx-scrim.hx-open{opacity:1;visibility:visible;transition:opacity .3s,visibility 0s}
.hx-sheet{position:fixed;top:0;left:0;bottom:0;z-index:1002;width:min(86vw,360px);display:flex;flex-direction:column;background:var(--hx-bg);color:var(--hx-fg);border-right:1px solid var(--hx-line);border-radius:0 26px 26px 0;box-shadow:var(--hx-shadow);padding:calc(10px + env(safe-area-inset-top,0px)) 0 calc(14px + env(safe-area-inset-bottom,0px));transform:translateX(-104%);visibility:hidden;transition:transform .42s cubic-bezier(.2,.8,.2,1),visibility 0s .42s;overscroll-behavior:contain}
.hx-sheet.hx-open{transform:none;visibility:visible;transition:transform .42s cubic-bezier(.2,.8,.2,1),visibility 0s}
.hx-dh{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 14px 10px 18px}
.hx-dbrand img{display:block;height:24px!important;width:auto!important}
.hx-sheet .hx-wm-d{display:none!important}
:root[data-theme="dark"] .hx-sheet .hx-wm-l{display:none!important}
:root[data-theme="dark"] .hx-sheet .hx-wm-d{display:block!important}
.hx-x{width:40px;height:40px;border-radius:50%;border:0;background:transparent;color:var(--hx-fg);display:grid;place-items:center;cursor:pointer}
.hx-x:active{background:var(--hx-hover)}
.hx-x svg{width:20px;height:20px}
.hx-ask{display:flex;align-items:center;gap:10px;margin:2px 14px 8px;min-height:46px;padding:0 16px;border-radius:999px;background:var(--hx-hover);color:var(--hx-mute);text-decoration:none;font-size:15px}
.hx-ask svg{width:17px;height:17px;color:var(--hx-blue);flex:none}
.hx-dscroll{flex:1;overflow-y:auto;padding:0 8px 10px;-webkit-overflow-scrolling:touch}
.hx-sheet h6{margin:16px 12px 4px;font:400 11px/1 Arial,Helvetica,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--hx-mute)}
.hx-row{display:flex;align-items:center;gap:12px;min-height:48px;padding:6px 10px;border-radius:14px;color:var(--hx-fg);text-decoration:none;transition:background .15s}
.hx-row:active,.hx-row:hover{background:var(--hx-hover)}
.hx-row.hx-here{background:var(--hx-hover)}
.hx-row.hx-here .hx-ric{color:var(--hx-blue)}
.hx-ric{width:22px;height:22px;flex:none;display:grid;place-items:center;color:var(--hx-soft)}
.hx-ric svg{width:20px;height:20px}
.hx-rt{display:flex;flex-direction:column;min-width:0}
.hx-rt b{font-weight:400;font-size:15.5px;line-height:1.25}
.hx-rt small{font-size:12.5px;color:var(--hx-mute);margin-top:2px}
.hx-dfoot{display:flex;flex-direction:column;gap:10px;padding:12px 14px 0;border-top:1px solid var(--hx-line)}
.hx-seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:999px;background:var(--hx-hover)}
.hx-seg button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:38px;border:0;border-radius:999px;background:transparent;color:var(--hx-mute);font:400 14px Arial,Helvetica,sans-serif;cursor:pointer}
.hx-seg button svg{width:16px;height:16px}
.hx-seg button[aria-checked="true"]{background:var(--hx-bg);color:var(--hx-fg);box-shadow:0 1px 4px rgba(4,7,12,.12)}
:root[data-theme="dark"] .hx-seg button[aria-checked="true"]{background:#1E2733}
.hx-dfoot .hx-cta{justify-content:center;height:48px;font-size:16px}
body.hx-locked{overflow:hidden}

/* ==========================================================================
   Phone top bar (≤760px) — menu left, brand centered, Start right
   ========================================================================== */
@media (max-width:760px){
  :root{--hx-h:56px}
  .hx-nav{border-bottom-color:transparent;transition:border-color .2s,box-shadow .2s}
  .hx-nav.hx-scrolled{border-bottom-color:var(--hx-line)}
  .hx-in{display:grid;grid-template-columns:44px 1fr auto;gap:8px;padding-inline:8px 12px}
  .hx-burger{grid-column:1;grid-row:1;width:44px;height:44px;border:0;display:inline-flex}
  .hx-burger svg{width:22px;height:22px}
  .hx-nav .hx-brand{grid-column:2;grid-row:1;justify-self:center;gap:8px}
  .hx-nav .hx-mark{width:30px!important;height:30px!important}
  .hx-nav .hx-wm{height:21px!important}
  .hx-right{grid-column:3;grid-row:1;gap:0}
  .hx-right .hx-tgl{display:none}
  .hx-right .hx-cta{height:34px;padding:0 14px;font-size:13.5px}
}
@media (max-width:370px){.hx-nav .hx-wm{display:none!important}}
@media (prefers-reduced-motion:reduce){.hx-cta,.hx-app::after{animation:none!important}.hx-panel,.hx-sheet,.hx-scrim{transition:none}}