/* VTC Corporation — product-forward design system */
:root{
  --ink:#0A0E1F; --ink-2:#0F1530; --panel:#141B3A;
  --line:rgba(146,163,224,.16); --line-2:rgba(146,163,224,.28);
  --text:#EAEEFB; --muted:#9AA6D0; --muted-2:#6E79A6;
  --brand:#5B8CFF; --teal:#31E0C4; --violet:#9E8BFF;
  --glow-a:rgba(91,140,255,.55); --glow-b:rgba(49,224,196,.42);
  --grad:linear-gradient(100deg,var(--brand),var(--teal));
  --grad-v:linear-gradient(100deg,var(--violet),var(--brand));
  --maxw:1180px; --r:16px;
  --display:"Bricolage Grotesque",-apple-system,system-ui,"Segoe UI",sans-serif;
  --body:"Inter",-apple-system,system-ui,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
::selection{background:rgba(91,140,255,.32)}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.05;letter-spacing:-.02em;margin:0}
p{margin:0}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.eyebrow{font-family:var(--body);font-weight:600;font-size:13.5px;color:var(--teal);margin:0 0 18px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
a:focus-visible,button:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}

/* NAV */
header{position:sticky;top:0;z-index:60;transition:background .3s,border-color .3s,backdrop-filter .3s}
header.scrolled{background:rgba(10,14,31,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;font-size:20px}
.mark{width:38px;height:38px;border-radius:10px;flex:none;display:grid;place-items:center;background:linear-gradient(150deg,#1b2450,#0d1330);border:1px solid var(--line-2);position:relative;overflow:hidden}
.mark::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:.16}
.mark svg{width:26px;height:26px;position:relative}
.cw-head .mark svg{width:23px;height:23px}
.brand small{display:block;font-family:var(--body);font-weight:500;font-size:12.5px;color:#AEB7D8;margin-top:3px;letter-spacing:.1px}
.navlinks{display:flex;align-items:center;gap:30px}
.navlinks a{font-size:15px;color:var(--muted);transition:color .2s}
.navlinks a:hover,.navlinks a.active{color:var(--text)}
.navlinks a.btn-primary{color:#0A0E1F}
.navlinks a.btn-primary:hover{color:#0A0E1F}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--body);font-weight:600;font-size:15px;padding:11px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .25s,background .2s,border-color .2s}
.btn-primary{background:#EEF2FF;color:#0A0E1F;font-weight:600;box-shadow:0 8px 28px -12px rgba(5,10,25,.55)}
.btn-primary:hover{background:#ffffff;transform:translateY(-2px);box-shadow:0 14px 40px -14px rgba(5,10,25,.7)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--muted);background:rgba(255,255,255,.05)}
.navtoggle{display:none;background:none;border:1px solid var(--line-2);border-radius:9px;padding:9px;cursor:pointer}
.navtoggle svg{display:block;stroke:var(--text)}

/* HERO */
.hero{position:relative;padding:70px 0 86px}
.glow{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.glow::before,.glow::after{content:"";position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.glow::before{width:600px;height:600px;top:-240px;left:-140px;background:radial-gradient(circle,var(--glow-a),transparent 62%)}
.glow::after{width:520px;height:520px;top:-120px;right:-160px;background:radial-gradient(circle,var(--glow-b),transparent 62%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(38px,5.4vw,62px);max-width:16ch}
.hero .lead{color:var(--muted);font-size:clamp(17px,2vw,20px);margin-top:24px;max-width:54ch}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:38px}
.chip{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:rgba(255,255,255,.02)}
.chip b{color:var(--text);font-weight:600}

/* page hero (inner) */
.phero{position:relative;padding:72px 0 30px}
.phero>.wrap{position:relative;z-index:1}
.phero h1{font-size:clamp(34px,5vw,56px);max-width:17ch}
.phero .lead{color:var(--muted);font-size:clamp(17px,2vw,20px);margin-top:20px;max-width:58ch}
.phero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}

/* product chat/visual mock */
.mock{position:relative;border:1px solid var(--line);border-radius:22px;background:radial-gradient(120% 100% at 100% 0,rgba(49,224,196,.08),transparent 55%),radial-gradient(120% 120% at 0 100%,rgba(91,140,255,.10),transparent 55%),linear-gradient(180deg,var(--ink-2),#0b1128);padding:22px;box-shadow:0 30px 80px -40px rgba(4,8,24,.9)}
.mock-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.mock-head .who{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:15px}
.mock-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 var(--glow-b);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(49,224,196,.5)}70%{box-shadow:0 0 0 9px rgba(49,224,196,0)}100%{box-shadow:0 0 0 0 rgba(49,224,196,0)}}
@media (prefers-reduced-motion:reduce){.mock-dot{animation:none}}
.bubble{max-width:82%;padding:12px 15px;border-radius:14px;font-size:14.5px;line-height:1.5;margin-bottom:12px}
.bubble.bot{background:var(--panel);border:1px solid var(--line);border-bottom-left-radius:5px}
.bubble.user{background:var(--grad);color:#08122b;margin-left:auto;border-bottom-right-radius:5px;font-weight:500}
.mock-input{display:flex;gap:10px;align-items:center;margin-top:16px;border:1px solid var(--line-2);border-radius:12px;padding:10px 12px;color:var(--muted-2);font-size:14px}
.mock-input .snd{margin-left:auto;width:30px;height:30px;border-radius:8px;background:var(--grad);display:grid;place-items:center}
.mock-input .snd svg{stroke:#08122b;width:16px;height:16px;fill:none;stroke-width:2}

/* STATS */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .num{font-family:var(--display);font-weight:700;font-size:clamp(30px,3.6vw,42px);letter-spacing:-.03em}
.stat .lab{color:var(--muted);font-size:14.5px;margin-top:6px}

/* sections */
.band{padding:96px 0}
.band.tight{padding-top:0}
.band-head{max-width:660px;margin-bottom:50px}
.band-head.center{margin-left:auto;margin-right:auto;text-align:center}
.band-head h2{font-size:clamp(28px,3.6vw,42px)}
.band-head p{color:var(--muted);font-size:18px;margin-top:18px}

/* glyphs */
.glyph{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line-2);background:radial-gradient(120% 120% at 20% 10%,rgba(91,140,255,.16),transparent 60%)}
.glyph svg{stroke:var(--teal);width:24px;height:24px;fill:none;stroke-width:1.6}
.glyph.v svg{stroke:var(--violet)}

/* product cards (two flagship) */
.products{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pcard{position:relative;border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,var(--ink-2),#0b1027);padding:34px;transition:border-color .25s,transform .25s;overflow:hidden}
.pcard::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad);opacity:0;transition:opacity .25s}
.pcard.v::before{background:var(--grad-v)}
.pcard:hover{border-color:var(--line-2);transform:translateY(-4px)}
.pcard:hover::before{opacity:1}
.pcard .ptag{font-size:12.5px;color:var(--teal);font-weight:600;margin:18px 0 8px}
.pcard.v .ptag{color:var(--violet)}
.pcard h3{font-size:25px;margin-bottom:12px}
.pcard p{color:var(--muted);font-size:15.5px}
.pcard ul{margin:18px 0 22px;padding:0;list-style:none}
.pcard li{color:var(--muted);font-size:14.5px;padding:7px 0 7px 22px;position:relative;border-top:1px solid var(--line)}
.pcard li:first-child{border-top:none}
.pcard li::before{content:"";position:absolute;left:2px;top:15px;width:8px;height:8px;border-radius:2px;background:var(--grad)}
.pcard.v li::before{background:var(--grad-v)}

/* feature bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,var(--ink-2),#0b1027);padding:28px;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card h3{font-size:20px;margin:16px 0 10px}
.card p{color:var(--muted);font-size:15px}
.card.lead-card{grid-column:span 4}.card.lead-card h3{font-size:25px}
.card.small{grid-column:span 2}.card.half{grid-column:span 3}.card.third{grid-column:span 2}
.card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:7px;padding:4px 10px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{border:1px solid var(--line);border-radius:14px;background:var(--ink-2);padding:24px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--display);font-weight:700;font-size:16px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h4{font-family:var(--display);font-weight:600;font-size:17px;margin:10px 0 7px}
.step p{color:var(--muted);font-size:14px}

/* caps */
.caps{display:grid;grid-template-columns:1fr 1fr;gap:14px 44px}
.cap{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.cap .ci{flex:none;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.cap .ci svg{stroke:var(--teal);width:20px;height:20px;fill:none;stroke-width:1.6}
.cap h4{font-family:var(--display);font-weight:600;font-size:17px;margin:0 0 4px}
.cap p{color:var(--muted);font-size:14.5px;margin:0}

/* why/editorial */
.why{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.why-state{font-family:var(--display);font-weight:600;font-size:clamp(24px,3vw,32px);line-height:1.18;letter-spacing:-.02em}
.why-list{display:flex;flex-direction:column;gap:26px}
.diff{border-left:2px solid transparent;border-image:var(--grad) 1;padding-left:22px}
.diff h4{font-family:var(--display);font-weight:600;font-size:19px;margin:0 0 7px}
.diff p{color:var(--muted);font-size:15.5px;margin:0}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.ind{border:1px solid var(--line);border-radius:var(--r);padding:30px;background:linear-gradient(180deg,var(--ink-2),#0b1027);transition:border-color .25s,transform .25s}
.ind:hover{border-color:var(--line-2);transform:translateY(-3px)}
.ind h3{font-size:22px;margin:16px 0 8px}.ind p{color:var(--muted);font-size:15.5px}.ind .tags{margin-top:16px}

/* track record */
.rec-row{display:grid;grid-template-columns:180px 1fr;gap:30px;padding:28px 0;border-top:1px solid var(--line);align-items:baseline}
.rec-row:last-child{border-bottom:1px solid var(--line)}
.rec-k{font-family:var(--display);font-weight:600;font-size:16px;color:var(--muted)}
.rec-v h4{font-family:var(--display);font-weight:600;font-size:20px;margin:0 0 8px}
.rec-v p{color:var(--muted);font-size:15.5px;margin:0}.rec-v b{color:var(--teal);font-weight:600}

/* about */
.about-lead{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.about-lead p{color:var(--muted);font-size:17.5px;margin-top:18px}
.founder{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,var(--ink-2),#0b1027);padding:30px}
.founder .role{color:var(--teal);font-size:14px;margin-bottom:6px}.founder h3{font-size:22px}
.founder ul{margin:18px 0 0;padding:0;list-style:none}
.founder li{color:var(--muted);font-size:15px;padding:9px 0;border-top:1px solid var(--line)}

/* CTA */
.cta{position:relative;border:1px solid var(--line-2);border-radius:26px;overflow:hidden;background:linear-gradient(120deg,#0e1738,#0a1028);padding:64px 40px;text-align:center}
.cta::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;filter:blur(90px);top:-320px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,var(--glow-a),transparent 60%);opacity:.6}
.cta h2{position:relative;font-size:clamp(28px,3.6vw,40px);max-width:22ch;margin:0 auto}
.cta p{position:relative;color:var(--muted);font-size:18px;margin:18px auto 32px;max-width:50ch}
.cta .btn-primary{position:relative;font-size:16px;padding:14px 26px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;color:var(--muted)}
.field input,.field textarea,.field select{background:var(--ink-2);border:1px solid var(--line-2);border-radius:10px;color:var(--text);font-family:var(--body);font-size:15px;padding:12px 14px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--teal)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-info{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,var(--ink-2),#0b1027);padding:30px}
.contact-info h3{font-size:20px;margin-bottom:16px}.contact-info a{color:var(--text)}
.contact-info .row{padding:14px 0;border-top:1px solid var(--line);color:var(--muted);font-size:15px}
.contact-info .row:first-of-type{border-top:none}
.contact-info .row b{color:var(--text);font-weight:600;display:block;margin-bottom:3px}

/* footer */
footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:96px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot p{color:var(--muted-2);font-size:14px;margin-top:14px;max-width:34ch}
.foot-links{display:flex;gap:44px;flex-wrap:wrap}
.foot-col h5{font-family:var(--body);font-size:13px;color:var(--muted-2);font-weight:600;margin:0 0 14px}
.foot-col a{display:block;color:var(--muted);font-size:14.5px;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-base{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:13.5px}

.rise{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none;transition:none}}

/* ===== CHAT WIDGET ===== */
#vtc-chat-launch{position:fixed;right:22px;bottom:22px;z-index:200;display:inline-flex;align-items:center;gap:10px;padding:13px 18px 13px 15px;border:none;border-radius:999px;background:var(--grad);color:#08122b;font-family:var(--body);font-weight:600;font-size:15px;cursor:pointer;box-shadow:0 12px 34px -8px var(--glow-a);transition:transform .2s,box-shadow .25s}
#vtc-chat-launch:hover{transform:translateY(-2px);box-shadow:0 18px 44px -10px var(--glow-a)}
#vtc-chat-launch svg{width:20px;height:20px;fill:none;stroke:#08122b;stroke-width:2}
#vtc-chat-launch.hide{display:none}
#vtc-chat{position:fixed;right:22px;bottom:22px;z-index:201;width:380px;max-width:calc(100vw - 32px);height:580px;max-height:calc(100vh - 44px);display:none;flex-direction:column;background:linear-gradient(180deg,var(--ink-2),#0a1026);border:1px solid var(--line-2);border-radius:20px;overflow:hidden;box-shadow:0 40px 90px -30px rgba(2,6,20,.9)}
#vtc-chat.open{display:flex;animation:slideup .28s ease}
@keyframes slideup{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.cw-head{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.cw-head .mark{width:34px;height:34px}
.cw-head .cw-who{font-family:var(--display);font-weight:600;font-size:15px}
.cw-head .cw-sub{font-size:12px;color:var(--teal);display:flex;align-items:center;gap:6px;margin-top:2px}
.cw-head .cw-sub i{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.cw-close{margin-left:auto;background:none;border:none;color:var(--muted);cursor:pointer;padding:6px;border-radius:8px}
.cw-close:hover{color:var(--text);background:rgba(255,255,255,.05)}
.cw-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.cw-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.cw-msg{max-width:86%;padding:11px 14px;border-radius:14px;font-size:14.5px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}
.cw-msg.bot{background:var(--panel);border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start}
.cw-msg.user{background:var(--grad);color:#08122b;border-bottom-right-radius:5px;align-self:flex-end;font-weight:500}
.cw-msg.bot a{color:var(--teal);text-decoration:underline}
.cw-typing{align-self:flex-start;display:flex;gap:4px;padding:13px 15px;background:var(--panel);border:1px solid var(--line);border-radius:14px;border-bottom-left-radius:5px}
.cw-typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.cw-typing span:nth-child(2){animation-delay:.2s}.cw-typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.cw-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 12px}
.cw-chip{font-size:13px;color:var(--text);border:1px solid var(--line-2);background:rgba(255,255,255,.03);border-radius:999px;padding:7px 13px;cursor:pointer;transition:border-color .2s,background .2s}
.cw-chip:hover{border-color:var(--teal);background:rgba(49,224,196,.08)}
.cw-foot{display:flex;gap:8px;padding:14px 16px;border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.cw-foot input{flex:1;background:var(--ink);border:1px solid var(--line-2);border-radius:11px;color:var(--text);font-family:var(--body);font-size:14.5px;padding:11px 14px}
.cw-foot input:focus{outline:none;border-color:var(--teal)}
.cw-send{width:42px;flex:none;border:none;border-radius:11px;background:var(--grad);cursor:pointer;display:grid;place-items:center}
.cw-send:disabled{opacity:.5;cursor:default}
.cw-send svg{width:18px;height:18px;stroke:#08122b;fill:none;stroke-width:2}
.cw-note{font-size:11px;color:var(--muted-2);text-align:center;padding:0 16px 10px}

@media (max-width:920px){
  .navlinks{position:fixed;inset:74px 0 auto 0;flex-direction:column;gap:0;background:rgba(10,14,31,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:8px 0;transform:translateY(-140%);transition:transform .3s;align-items:stretch}
  .navlinks.open{transform:none}
  .navlinks a{padding:15px 26px;border-top:1px solid var(--line)}
  .navlinks .btn{margin:12px 26px}
  .navtoggle{display:block}
  .hero-grid,.phero-grid,.why,.about-lead,.contact-grid{grid-template-columns:1fr;gap:36px}
  .mock{order:2}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .products,.bento,.caps,.ind-grid,.steps,.frow{grid-template-columns:1fr;gap:14px}
  .card.lead-card,.card.small,.card.half,.card.third{grid-column:auto}
  .rec-row{grid-template-columns:1fr;gap:8px}
  .band{padding:70px 0}.cta{padding:46px 22px}
  #vtc-chat-launch span{display:none}#vtc-chat-launch{padding:14px;border-radius:50%}
}

/* ===== three-pillar additions ===== */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard .pnum{font-family:var(--display);font-weight:700;font-size:14px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pcard.c3::before{background:linear-gradient(100deg,var(--teal),var(--brand))}
.offer{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.offer .card h3{font-size:19px}
.lead-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 30px;margin:0;padding:0;list-style:none}
.lead-list li{color:var(--muted);font-size:15px;padding:10px 0 10px 22px;position:relative;border-top:1px solid var(--line)}
.lead-list li::before{content:"";position:absolute;left:2px;top:17px;width:8px;height:8px;border-radius:2px;background:var(--grad)}
.lead-list li b{color:var(--text);font-weight:600}
@media (max-width:920px){.trio{grid-template-columns:1fr}.offer,.lead-list{grid-template-columns:1fr;gap:0}}