/* ================================================================
   VIRTUALIO.TECH — Virtual Presence Studio
   Premium glass + HUD design system (CI master: 3D chrome VO)
   #C0C0C0 silver · #00FFFF cyan · #4B0082 violet · #0A0A0A obsidian
   Futura-alike (Jost) display · Inter body
   ================================================================ */

:root{
  --obsidian:#0A0A0A; --ink:#060709; --panel:#0c0e14;
  --silver:#C0C0C0; --cyan:#00FFFF; --cyan-soft:#5cebff; --violet:#4B0082; --violet-lit:#8a5cf0;
  --text:#EAF2F6; --muted:#8f99ab; --muted-2:#5a6273;
  --glass:rgba(255,255,255,.045); --glass-2:rgba(255,255,255,.02);
  --edge:rgba(255,255,255,.12); --edge-cyan:rgba(0,255,255,.30);
  --grid:rgba(0,255,255,.05);
  --cyan-glow:0 0 26px -4px rgba(0,255,255,.6);
  --violet-glow:0 0 70px -14px rgba(138,92,240,.7);
  --maxw:1200px; --radius:16px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--obsidian);color:var(--text);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}

/* layered atmosphere */
body::before{content:"";position:fixed;inset:0;z-index:-3;background:
  radial-gradient(1100px 720px at 84% -12%,rgba(0,255,255,.12),transparent 58%),
  radial-gradient(900px 620px at 2% 6%,rgba(75,0,130,.35),transparent 60%),
  radial-gradient(700px 700px at 60% 120%,rgba(138,92,240,.14),transparent 60%),var(--obsidian)}
body::after{content:"";position:fixed;inset:0;z-index:-2;opacity:.55;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:48px 48px;-webkit-mask-image:radial-gradient(circle at 50% 18%,#000,transparent 82%);mask-image:radial-gradient(circle at 50% 18%,#000,transparent 82%)}
/* faint scanlines */
.scan{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.015) 0 1px,transparent 1px 3px)}

h1,h2,h3,.display{font-family:"Jost","Futura","Inter",sans-serif;font-weight:600;letter-spacing:-.01em;line-height:1.03;margin:0 0 .4em}
h1{font-size:clamp(2.7rem,6.4vw,5rem)}
h2{font-size:clamp(2rem,3.8vw,3rem)}
h3{font-size:1.32rem;font-weight:500}
p{margin:0 0 1.1rem;color:#c6cedb}
a{color:var(--cyan-soft);text-decoration:none}
strong{color:#fff;font-weight:600}
.lead{font-size:clamp(1.08rem,1.7vw,1.32rem);color:#cdd5e1;max-width:60ch}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.78rem;letter-spacing:.04em}
.chrome{background:linear-gradient(180deg,#fff 0%,#e7ecf3 32%,#b7bfcc 56%,#8b93a3 74%,#f2f5fa 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.cyanword{background:linear-gradient(100deg,#eafeff,var(--cyan) 55%,var(--violet-lit));-webkit-background-clip:text;background-clip:text;color:transparent}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:clamp(64px,8vw,116px) 0}

/* HUD eyebrow chip */
.eyebrow{display:inline-flex;align-items:center;gap:.6em;font-family:"Jost",sans-serif;font-size:.72rem;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--cyan);
  padding:.5em 1.05em;border:1px solid var(--edge-cyan);border-radius:6px;background:linear-gradient(180deg,rgba(0,255,255,.08),rgba(0,255,255,.02));
  box-shadow:inset 0 0 16px -8px var(--cyan),0 0 20px -12px var(--cyan)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}

/* pulse divider */
.pulse{position:relative;height:1px;background:linear-gradient(90deg,transparent,rgba(0,255,255,.55),transparent);overflow:visible}
.pulse::after{content:"";position:absolute;top:50%;left:0;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan);transform:translateY(-50%);animation:run 7s linear infinite}
@keyframes run{0%{left:0}100%{left:100%}}

/* GLASS NAV with underglow + grid (matches CI mockup) */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);
  background:linear-gradient(180deg,rgba(12,14,20,.72),rgba(10,10,10,.42));
  border-bottom:1px solid var(--edge-cyan);box-shadow:0 1px 0 rgba(0,255,255,.15),0 22px 50px -34px rgba(0,255,255,.7)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:13px;color:#fff}
.brand .logochip{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;
  background:radial-gradient(120% 120% at 30% 20%,rgba(0,255,255,.14),rgba(75,0,130,.14) 60%,rgba(255,255,255,.03));
  border:1px solid var(--edge);box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 0 22px -10px var(--cyan)}
.brand .logochip img,.brand .logochip svg{width:30px;height:30px;display:block;filter:drop-shadow(0 0 6px rgba(0,255,255,.5))}
.brand .bt{font-family:"Jost",sans-serif;font-weight:600;font-size:1.2rem;line-height:1}
.brand small{display:block;font-family:"Inter";font-size:.57rem;letter-spacing:.26em;text-transform:uppercase;color:var(--muted-2);margin-top:3px}
.navlinks{display:flex;gap:24px;align-items:center}
.navlinks a{color:var(--muted);font-size:.92rem;transition:.2s}
.navlinks a:hover,.navlinks a[aria-current]{color:#fff;text-shadow:0 0 14px rgba(0,255,255,.6)}
.nav-cta{padding:.55em 1.15em;border:1px solid var(--cyan);border-radius:8px;color:var(--cyan)!important;font-family:"Jost";font-size:.86rem;background:rgba(0,255,255,.06);box-shadow:inset 0 0 16px -8px var(--cyan),0 0 18px -8px var(--cyan);transition:.25s}
.nav-cta:hover{background:var(--cyan);color:#04121a!important;box-shadow:var(--cyan-glow)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:"Jost",sans-serif;font-weight:600;font-size:1rem;padding:.9em 1.6em;border-radius:11px;cursor:pointer;transition:.28s var(--ease);border:1px solid transparent}
.btn-primary{background:linear-gradient(120deg,var(--cyan),#38d6ff);color:#04121a;box-shadow:var(--cyan-glow),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px var(--cyan),0 18px 50px -16px rgba(0,255,255,.85)}
.btn-ghost{border-color:var(--edge);color:#fff;background:var(--glass);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:inset 0 0 22px -12px var(--cyan)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:2rem}

/* FROSTED GLASS CARDS with always-on HUD corner brackets */
.card{position:relative;border-radius:var(--radius);padding:30px 30px 34px;isolation:isolate;
  background:
    linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.028)),
    linear-gradient(115deg,rgba(0,255,255,.05),transparent 42%);
  backdrop-filter:blur(22px) saturate(150%);-webkit-backdrop-filter:blur(22px) saturate(150%);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),inset 0 -30px 60px -50px rgba(0,255,255,.5),0 26px 60px -34px rgba(0,0,0,.95),0 0 0 1px rgba(0,0,0,.2);
  transition:.32s var(--ease)}
/* top sheen */
.card > .k:first-child{position:relative}
/* gradient edge glow (always on) */
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(135deg,rgba(0,255,255,.7),transparent 38%,transparent 64%,rgba(138,92,240,.7));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.6;transition:.32s}
/* HUD corner brackets — 4 corners, always visible */
.card::before{content:"";position:absolute;inset:11px;pointer-events:none;opacity:.5;transition:.32s;
  background:
   linear-gradient(var(--cyan),var(--cyan)) 0 0/15px 2px no-repeat,linear-gradient(var(--cyan),var(--cyan)) 0 0/2px 15px no-repeat,
   linear-gradient(var(--cyan),var(--cyan)) 100% 0/15px 2px no-repeat,linear-gradient(var(--cyan),var(--cyan)) 100% 0/2px 15px no-repeat,
   linear-gradient(var(--cyan),var(--cyan)) 0 100%/15px 2px no-repeat,linear-gradient(var(--cyan),var(--cyan)) 0 100%/2px 15px no-repeat,
   linear-gradient(var(--cyan),var(--cyan)) 100% 100%/15px 2px no-repeat,linear-gradient(var(--cyan),var(--cyan)) 100% 100%/2px 15px no-repeat;
  filter:drop-shadow(0 0 4px rgba(0,255,255,.6))}
.card:hover{transform:translateY(-6px);border-color:var(--edge-cyan);box-shadow:inset 0 1px 0 rgba(255,255,255,.32),0 30px 70px -28px rgba(0,255,255,.45),0 26px 60px -34px rgba(0,0,0,.95)}
.card:hover::after{opacity:1}
.card:hover::before{opacity:.95}
.card h3{color:#fff;margin-top:.2em}
.card .k{font-family:"Jost";color:var(--cyan);font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;margin-bottom:.7rem;text-shadow:0 0 14px rgba(0,255,255,.5)}
.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}

/* hero */
.hero{position:relative;padding:clamp(66px,10vw,132px) 0 clamp(52px,7vw,94px)}
.hero-stage{position:relative;display:grid;place-items:center;padding:26px;border-radius:24px;
  background:radial-gradient(120% 120% at 50% 30%,rgba(0,255,255,.10),rgba(75,0,130,.12) 55%,transparent 78%);
  border:1px solid var(--edge);backdrop-filter:blur(6px)}
.hero-stage::before{content:"";position:absolute;inset:auto 12% -6% 12%;height:60px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(0,255,255,.5),transparent);filter:blur(22px);opacity:.7}
.hero-logo{max-width:420px;width:100%;border-radius:18px;filter:drop-shadow(0 0 50px rgba(0,255,255,.28)) drop-shadow(0 0 80px rgba(138,92,240,.4))}
.support{margin-top:1.5rem;color:var(--muted);font-family:"Jost";letter-spacing:.05em}

/* stage / portal */
.stage{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--edge-cyan);
  box-shadow:var(--violet-glow),inset 0 0 60px -40px var(--cyan)}
.stage::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:inherit;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.stage video,.stage img{display:block;width:100%;height:auto}
.twin-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.portal{width:min(80%,380px);margin:0 auto;filter:drop-shadow(0 0 60px rgba(0,255,255,.55))}

.section-head{max-width:66ch;margin-bottom:44px}.section-head p{color:var(--muted)}

footer{border-top:1px solid var(--edge-cyan);padding:58px 0 42px;margin-top:40px;backdrop-filter:blur(10px);background:linear-gradient(180deg,transparent,rgba(0,255,255,.03))}
.foot{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
footer a{color:var(--muted)}footer a:hover{color:#fff}
.hashtags{color:var(--muted-2);font-size:.76rem;margin-top:20px}
.center{text-align:center}.mt0{margin-top:0}

@media(max-width:860px){
  .navlinks{display:none}.burger{display:block}
  .navlinks.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;background:rgba(10,10,10,.98);border-bottom:1px solid var(--edge-cyan);padding:8px 0}
  .navlinks.open a{padding:14px 24px;width:100%}
  .grid-3,.grid-2,.twin-grid{grid-template-columns:1fr}
}