/* ============================================================
   TNAi — Torabinejad Ai
   Aesthetic: cybernetic blueprint × trading terminal
   ============================================================ */

:root{
  --bg:#04060c;
  --bg-2:#070b15;
  --panel:#0a1120;
  --line:rgba(120,180,255,.12);
  --line-strong:rgba(120,180,255,.28);
  --cyan:#26b4ff;
  --cyan-bright:#5fd0ff;
  --blue:#2a6cff;
  --violet:#7b6cff;
  --ink:#eaf3ff;
  --ink-dim:#9fb4d4;
  --ink-faint:#5e7295;
  --up:#1fd6a0;
  --down:#ff5a7a;
  --glow:0 0 30px rgba(38,180,255,.45);
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Sora',system-ui,sans-serif;
  font-weight:300;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
canvas{display:block}

/* ---------- atmosphere ---------- */
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 80%);
  opacity:.55;
}
.bg-vignette{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 90% 60% at 70% 0%,rgba(42,108,255,.12),transparent 60%),
             radial-gradient(ellipse 70% 50% at 20% 100%,rgba(123,108,255,.08),transparent 60%);
}

/* ---------- loader ---------- */
.loader{
  position:fixed;inset:0;z-index:1000;background:var(--bg);
  display:grid;place-items:center;transition:opacity .6s ease,visibility .6s;
}
.loader.done{opacity:0;visibility:hidden}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:22px}
.loader-logo{width:170px;filter:drop-shadow(var(--glow));animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.7;transform:scale(.98)}50%{opacity:1;transform:scale(1.02)}}
.loader-bar{width:220px;height:3px;background:rgba(120,180,255,.15);border-radius:3px;overflow:hidden}
.loader-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--violet));box-shadow:var(--glow)}
.loader-pct{font-family:'Orbitron';font-size:.8rem;letter-spacing:2px;color:var(--ink-dim)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;inset-inline:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(18px,4vw,46px);
  transition:background .4s,backdrop-filter .4s,border-color .4s,padding .4s;
  border-bottom:1px solid transparent;
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(4,6,12,.85),transparent);
  opacity:1;transition:opacity .4s;
}
.site-header.scrolled::before{opacity:0}
.site-header.scrolled{
  background:rgba(4,6,12,.72);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-logo{height:74px;width:auto;filter:drop-shadow(0 0 18px rgba(38,180,255,.55));transition:height .4s}
.site-header.scrolled .brand-logo{height:56px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:'Orbitron';font-weight:700;font-size:1.5rem;letter-spacing:1px;color:var(--ink);
  text-shadow:0 0 18px rgba(38,180,255,.35);transition:font-size .4s;white-space:nowrap}
.site-header.scrolled .brand-name{font-size:1.2rem}
.brand-ai{color:var(--cyan-bright)}
.brand-url{font-family:'Rajdhani';font-weight:600;font-size:.78rem;letter-spacing:2px;
  color:var(--ink-faint);margin-top:3px;transition:font-size .4s}
.site-header.scrolled .brand-url{font-size:.7rem}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  font-size:.92rem;font-weight:400;color:var(--ink-dim);
  padding:8px 14px;border-radius:8px;transition:color .25s,background .25s;
  position:relative;
}
.nav a:hover{color:var(--ink)}
.nav a:not(.nav-cta)::after{
  content:"";position:absolute;inset-inline:14px;bottom:4px;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:right;transition:transform .3s;
}
.nav a:not(.nav-cta):hover::after{transform:scaleX(1)}
.nav-cta{
  border:1px solid var(--line-strong);color:var(--ink);
  background:linear-gradient(180deg,rgba(38,180,255,.12),transparent);
}
.nav-cta:hover{border-color:var(--cyan);box-shadow:var(--glow)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:var(--ink);transition:.3s}

/* ---------- hero / pinned stage ---------- */
.hero{position:relative;z-index:2}
.hero-scroll-driver{height:360vh}            /* drives the pin length */
.sticky-stage{
  position:sticky;top:0;height:100vh;overflow:hidden;
  display:flex;align-items:center;
}
.cyborg-canvas{
  position:absolute;
  inset-inline-end:0;                 /* anchored to the right */
  top:50%;
  transform:translateY(-50%);         /* vertically centered */
  width:48%;                          /* right half — reaches mid-screen */
  height:auto;                        /* keep the video's natural shape */
  max-height:96vh;
  object-fit:contain;                 /* show the whole video, no cropping */
  /* feather the edges so the rectangle melts into the dark background */
  -webkit-mask-image:radial-gradient(ellipse 82% 88% at 60% 50%,#000 60%,transparent 92%);
  mask-image:radial-gradient(ellipse 82% 88% at 60% 50%,#000 60%,transparent 92%);
}
.stage-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 36% 52% at 80% 50%,rgba(38,180,255,.20),transparent 62%);
  mix-blend-mode:screen;
}

/* HUD readouts */
.hud{position:absolute;z-index:4;font-family:'Rajdhani';pointer-events:none;
  border:1px solid var(--line-strong);background:rgba(6,10,20,.45);backdrop-filter:blur(6px);
  padding:10px 14px;border-radius:10px;min-width:120px;opacity:0;transition:opacity .8s}
.hud.show{opacity:1}
.hud-label{font-size:.6rem;letter-spacing:3px;color:var(--ink-faint)}
.hud-val{font-family:'Orbitron';font-size:.95rem;color:var(--cyan-bright);margin-top:3px}
.hud-tl{top:104px;inset-inline-end:38%}
.hud-tr{top:104px;inset-inline-end:clamp(18px,4vw,46px)}
.hud-bl{bottom:48px;inset-inline-end:36%}
.hud-bar{width:130px;height:5px;background:rgba(120,180,255,.18);border-radius:4px;margin-top:6px;overflow:hidden}
.hud-bar i{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--cyan),var(--violet))}

/* hero copy panels */
.hero-copy{position:relative;z-index:5;max-width:560px;
  padding-inline-start:clamp(20px,6vw,90px);width:100%}
/* gentle darkening on the far left only; the video's own mask feathers its edges */
.sticky-stage::after{
  content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:linear-gradient(to right,
    var(--bg) 44%,
    rgba(4,6,12,.5) 52%,
    transparent 60%);
}
.panel{position:absolute;top:50%;transform:translateY(-50%) translateY(24px);
  opacity:0;transition:opacity .5s,transform .5s;pointer-events:none;width:min(92vw,560px)}
.panel.active{opacity:1;transform:translateY(-50%);pointer-events:auto}
.eyebrow{font-family:'Rajdhani';font-weight:600;letter-spacing:5px;font-size:.78rem;
  color:var(--cyan);text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--cyan)}
.panel h1{font-weight:900;font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.05;letter-spacing:-1px;text-shadow:0 2px 30px rgba(4,6,12,.9)}
.panel h2{font-weight:900;font-size:clamp(2rem,5vw,3.4rem);line-height:1.08;text-shadow:0 2px 30px rgba(4,6,12,.9)}
.grad{background:linear-gradient(110deg,var(--cyan-bright),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.panel p{color:var(--ink-dim);font-size:clamp(1rem,1.4vw,1.18rem);margin-top:18px;max-width:46ch;text-shadow:0 1px 18px rgba(4,6,12,.95)}
.scroll-hint{display:flex;align-items:center;gap:10px;margin-top:34px;color:var(--ink-faint);
  font-family:'Rajdhani';letter-spacing:3px;font-size:.8rem}
.scroll-hint i{width:22px;height:34px;border:1.5px solid var(--ink-faint);border-radius:12px;position:relative}
.scroll-hint i::after{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);
  width:3px;height:7px;background:var(--cyan);border-radius:2px;animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,12px)}}

/* ---------- marquee ---------- */
.marquee{position:relative;z-index:3;background:var(--bg-2);border-block:1px solid var(--line);
  overflow:hidden;padding:16px 0}
.marquee-track{display:flex;gap:26px;white-space:nowrap;width:max-content;
  animation:marq 26s linear infinite;font-family:'Orbitron';font-size:1rem;letter-spacing:3px;color:var(--ink-faint)}
.marquee-track i{color:var(--cyan)}
.marquee-track span{transition:color .3s}
@keyframes marq{to{transform:translateX(-50%)}}  /* ltr -> moves left */

/* ---------- shared section ---------- */
section{position:relative;z-index:2}
.capabilities,.split,.markets,.process,.cta{
  max-width:var(--maxw);margin-inline:auto;padding:clamp(70px,11vw,140px) clamp(18px,4vw,40px)}
.sec-head{max-width:680px;margin-bottom:54px}
.sec-head h2{font-weight:900;font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.12;letter-spacing:-.5px}
.lead{color:var(--ink-dim);font-size:1.15rem;margin-top:16px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- capabilities grid ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.cap{border:1px solid var(--line);background:linear-gradient(180deg,var(--panel),rgba(7,11,21,.4));
  border-radius:16px;padding:30px;position:relative;overflow:hidden;transition:border-color .4s,transform .4s}
.cap::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 100% 0%,rgba(38,180,255,.1),transparent 50%);opacity:0;transition:opacity .4s}
.cap:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.cap:hover::before{opacity:1}
.cap-ico{font-size:1.8rem;color:var(--cyan);width:54px;height:54px;display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:12px;margin-bottom:20px;
  background:rgba(38,180,255,.06)}
.cap h3{font-weight:700;font-size:1.3rem;margin-bottom:10px}
.cap p{color:var(--ink-dim);font-size:1rem}

/* ---------- split section ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.split-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:0 30px 80px rgba(0,0,0,.5)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}
.split-scan{position:absolute;inset:0;
  background:linear-gradient(transparent,rgba(38,180,255,.06) 50%,transparent);
  background-size:100% 8px;mix-blend-mode:screen;animation:scan 6s linear infinite;pointer-events:none}
@keyframes scan{to{background-position:0 200px}}
.chip{position:absolute;font-family:'Rajdhani';font-weight:600;font-size:.8rem;letter-spacing:1px;
  background:rgba(6,10,20,.7);backdrop-filter:blur(6px);border:1px solid var(--line-strong);
  color:var(--cyan-bright);padding:6px 12px;border-radius:8px}
.chip-1{top:18px;inset-inline-start:18px;animation:float 4s ease-in-out infinite}
.chip-2{top:50%;inset-inline-end:18px;animation:float 4s ease-in-out infinite .8s}
.chip-3{bottom:20px;inset-inline-start:30px;animation:float 4s ease-in-out infinite 1.6s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.split-body h2{font-weight:900;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.12;margin-bottom:18px}
.split-body p{color:var(--ink-dim);font-size:1.08rem}
.ticks{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:14px}
.ticks li{position:relative;padding-inline-start:30px;color:var(--ink);font-size:1.02rem}
.ticks li::before{content:"";position:absolute;inset-inline-start:0;top:.55em;width:14px;height:14px;
  border:1.5px solid var(--cyan);border-radius:4px;
  background:linear-gradient(135deg,var(--cyan),transparent);box-shadow:0 0 10px rgba(38,180,255,.5)}

/* ---------- markets / terminal ---------- */
.terminal{border:1px solid var(--line-strong);border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,#060a14,#04060c);box-shadow:0 30px 90px rgba(0,0,0,.55);margin-bottom:40px}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:rgba(10,17,32,.6)}
.term-bar .dot{width:11px;height:11px;border-radius:50%;background:#243049}
.term-bar .dot:first-child{background:#ff5f57}
.term-bar .dot:nth-child(2){background:#febc2e}
.term-bar .dot:nth-child(3){background:#28c840}
.term-title{font-family:'Orbitron';font-size:.78rem;letter-spacing:2px;color:var(--ink-dim);margin-inline-start:10px}
.term-live{margin-inline-start:auto;font-family:'Rajdhani';font-size:.78rem;letter-spacing:2px;color:var(--up);
  display:flex;align-items:center;gap:7px}
.term-live i{width:8px;height:8px;border-radius:50%;background:var(--up);box-shadow:0 0 8px var(--up);animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.3}}
.term-body{padding:20px;display:grid;grid-template-columns:230px 1fr;gap:20px}
.term-stats{display:flex;flex-direction:column;gap:14px}
.tstat{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:rgba(10,17,32,.4)}
.tstat span{display:block;font-size:.72rem;letter-spacing:1px;color:var(--ink-faint);font-family:'Rajdhani'}
.tstat b{font-family:'Orbitron';font-size:1.25rem;color:var(--ink);display:block;margin-top:2px}
.tstat em{font-style:normal;font-size:.78rem;color:var(--ink-dim);font-family:'Rajdhani'}
.tstat .up{color:var(--up)}
.tstat .sig{color:var(--up)}
.chart-canvas{width:100%;height:300px;border:1px solid var(--line);border-radius:10px;background:rgba(4,7,14,.6)}

.mk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mk{border:1px solid var(--line);border-radius:14px;padding:26px 20px;text-align:center;
  background:linear-gradient(180deg,var(--panel),transparent)}
.mk b{font-family:'Orbitron';font-size:clamp(1.8rem,3.5vw,2.6rem);
  background:linear-gradient(110deg,var(--cyan-bright),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.mk span{color:var(--ink-dim);font-size:.92rem;margin-top:8px;display:block}

/* ---------- process timeline ---------- */
.timeline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:t}
.timeline li{border-top:1px solid var(--line-strong);padding-top:22px;position:relative}
.timeline li::before{content:"";position:absolute;top:-5px;inset-inline-start:0;width:9px;height:9px;
  border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.t-num{font-family:'Orbitron';font-size:.85rem;color:var(--cyan);letter-spacing:2px}
.timeline h3{font-weight:700;font-size:1.25rem;margin:10px 0 8px}
.timeline p{color:var(--ink-dim);font-size:.96rem}

/* ---------- CTA ---------- */
.cta{text-align:center}
.cta-inner{border:1px solid var(--line-strong);border-radius:24px;
  padding:clamp(40px,7vw,80px);position:relative;overflow:hidden;
  background:radial-gradient(ellipse 70% 100% at 50% 0%,rgba(42,108,255,.14),transparent 60%),var(--panel)}
.cta-logo{height:70px;margin:0 auto 26px;filter:drop-shadow(var(--glow))}
.cta h2{font-weight:900;font-size:clamp(2rem,5vw,3.4rem);line-height:1.1}
.cta p{color:var(--ink-dim);font-size:1.15rem;margin:18px auto 0;max-width:50ch}
.cta-row{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.btn{font-family:'Sora';font-weight:700;font-size:1rem;padding:15px 32px;border-radius:12px;
  transition:transform .25s,box-shadow .25s,border-color .25s;border:1px solid transparent}
.btn-primary{background:linear-gradient(110deg,var(--cyan),var(--blue));color:#03101e;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 40px rgba(38,180,255,.6)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--cyan);transform:translateY(-3px)}

/* ---------- footer ---------- */
.site-footer{position:relative;z-index:2;border-top:1px solid var(--line);
  background:var(--bg-2);margin-top:40px}
.foot-top{max-width:var(--maxw);margin-inline:auto;padding:60px clamp(18px,4vw,40px) 40px;
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px}
.foot-brand-row{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-logo{height:48px;width:auto;filter:drop-shadow(0 0 14px rgba(38,180,255,.35))}
.foot-brand-text{display:flex;flex-direction:column;line-height:1.05}
.foot-name{font-family:'Orbitron';font-weight:700;font-size:1.05rem;letter-spacing:.5px;color:var(--ink)}
.foot-url{font-family:'Rajdhani';font-weight:600;font-size:.68rem;letter-spacing:1.5px;color:var(--ink-faint);margin-top:2px}
.foot-brand p{color:var(--ink-dim);max-width:34ch}
.foot-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.foot-col h4{font-family:'Rajdhani';letter-spacing:2px;color:var(--ink);margin-bottom:14px;font-size:1rem}
.foot-col a{display:block;color:var(--ink-dim);padding:5px 0;font-size:.95rem;transition:color .25s}
.foot-col a:hover{color:var(--cyan)}
.foot-bot{border-top:1px solid var(--line);max-width:var(--maxw);margin-inline:auto;
  padding:20px clamp(18px,4vw,40px);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--ink-faint);font-size:.85rem}
.foot-tag{font-family:'Orbitron';letter-spacing:2px;color:var(--ink-dim)}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .brand-logo{height:52px}
  .brand-name{font-size:1.15rem}
  .brand-url{font-size:.66rem;letter-spacing:1.5px}
  .brand{gap:10px}
  .nav{position:fixed;inset:0 0 auto;top:0;flex-direction:column;background:rgba(4,6,12,.97);
    backdrop-filter:blur(16px);padding:90px 30px 40px;gap:6px;transform:translateY(-100%);
    transition:transform .4s;border-bottom:1px solid var(--line);align-items:stretch}
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px;font-size:1.1rem;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex;z-index:101}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .cap-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split-media{order:-1;max-width:440px;margin-inline:auto}
  .term-body{grid-template-columns:1fr}
  .term-stats{flex-direction:row;flex-wrap:wrap}
  .tstat{flex:1;min-width:130px}
  .mk-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr}
  .hero-copy{padding-inline-start:24px}
  .cyborg-canvas{
    width:96%;height:auto;max-height:70vh;
    inset-inline-end:-6%;inset-inline-start:auto;
    top:50%;transform:translateY(-50%);opacity:.85;
    -webkit-mask-image:radial-gradient(ellipse 80% 85% at 62% 50%,#000 55%,transparent 88%);
    mask-image:radial-gradient(ellipse 80% 85% at 62% 50%,#000 55%,transparent 88%);
  }
  /* darken the left so text stays readable over the cyborg backdrop */
  .sticky-stage::after{background:linear-gradient(to right,
    var(--bg) 26%,rgba(4,6,12,.9) 46%,rgba(4,6,12,.45) 64%,transparent 82%)}
  .hud-tr,.hud-bl{display:none}
  .hud-tl{top:auto;bottom:30px;inset-inline-start:24px;inset-inline-end:auto}
}
@media (max-width:480px){
  .brand-logo{height:44px}
  .brand-name{font-size:1rem;letter-spacing:.5px}
  .brand-url{display:none}
  .mk-grid,.timeline{grid-template-columns:1fr}
  .panel p{font-size:1rem}
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.15s!important}
  html{scroll-behavior:auto}
  .hero-scroll-driver{height:auto}
  .sticky-stage{position:relative;height:auto;min-height:90vh}
}