:root{
  --lime:#EBFF4F; --core:#F4FF7A; --pink:#E8A8C8; --ink:#011610; --bg:#0A0B10;
  --surface:#11131a; --surface2:#161922; --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.12);
  --text:#e9ede4; --muted:#8b938f; --dim:#5d6461;
  --accent:var(--lime); --orb:320px;
  --r:20px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:radial-gradient(900px 500px at 75% -10%,rgba(235,255,79,.07),transparent 60%),radial-gradient(700px 500px at 0% 40%,rgba(232,168,200,.05),transparent 60%)}
code,.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
code{color:var(--pink);font-size:.9em}
button{font:inherit;color:inherit}
a{color:inherit}

/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px clamp(16px,4vw,48px);
  background:rgba(10,11,16,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600}
.logo{background:var(--lime);color:var(--ink);font-weight:800;letter-spacing:-.04em;padding:2px 9px;border-radius:9px;font-size:15px}
.sep{color:var(--dim)}
.tag{font-size:11px;font-weight:500;color:var(--muted);border:1px solid var(--line2);padding:2px 8px;border-radius:99px;text-transform:uppercase;letter-spacing:.06em}
.nav-right{display:flex;gap:8px}
.badge{font-size:12px;padding:4px 10px;border-radius:99px;background:var(--surface2);border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.badge.hi{color:var(--ink);background:var(--lime);border-color:var(--lime);font-weight:600}
.badge.lo{color:var(--lime);border-color:rgba(235,255,79,.4)}

main{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,48px)}

/* hero */
.hero{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(20px,4vw,56px);align-items:center;min-height:calc(100vh - 64px);padding:40px 0 24px}
.eyebrow{margin:0 0 10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);font-weight:600}
h1{font-size:clamp(44px,7vw,84px);line-height:.98;letter-spacing:-.035em;margin:0 0 18px;font-weight:750}
.grad{background:linear-gradient(100deg,var(--lime) 10%,var(--core) 40%,var(--pink) 95%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(16px,1.6vw,19px);color:#b9c0bb;max-width:30em;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:99px;padding:12px 22px;border:1px solid var(--line2);background:var(--surface2);cursor:pointer;text-decoration:none;font-weight:600;transition:transform .15s,background .2s,border-color .2s,color .2s}
.btn:hover{border-color:rgba(235,255,79,.5)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--lime);color:var(--ink);border-color:var(--lime);box-shadow:0 8px 30px -8px rgba(235,255,79,.45)}
.btn.primary.on{background:var(--surface2);color:var(--lime);box-shadow:none}
.btn.ghost{background:transparent}
.btn.small{padding:8px 14px;font-size:13px}
.btn.on{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.ico{font-size:12px}
.facts{display:flex;gap:28px;flex-wrap:wrap;margin:0}
.facts div{min-width:0}
.facts dt{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--dim)}
.facts dd{margin:2px 0 0;font-size:14px;color:#c9cfca}

/* stage */
.stage-wrap{display:flex;flex-direction:column;align-items:center;gap:14px}
.stage{--glow:rgba(235,255,79,.16);position:relative;width:100%;max-width:560px;aspect-ratio:1/1;border-radius:32px;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 46%,#151821 0%,#0d0f15 55%,#0a0b10 100%);border:1px solid var(--line);overflow:hidden;touch-action:none;
  box-shadow:0 40px 80px -40px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.04)}
.stage[data-mood="1"]{--glow:rgba(235,255,79,.26)}
.stage[data-mood="2"]{--glow:rgba(190,210,255,.14)}
.stage[data-mood="3"]{--glow:rgba(232,168,200,.30)}
.glow{position:absolute;inset:0;background:radial-gradient(circle at 50% 48%,var(--glow),transparent 58%);transition:background .7s ease;pointer-events:none}
.ring{position:absolute;width:78%;aspect-ratio:1;border-radius:50%;border:1px dashed rgba(255,255,255,.05);pointer-events:none}
.orb{display:block;cursor:pointer;-webkit-tap-highlight-color:transparent;outline:none}
#heroCanvas{width:min(var(--orb),86%);height:auto;aspect-ratio:1/1;position:relative;z-index:1;transition:width .25s cubic-bezier(.2,.8,.2,1)}
.state-pill{position:absolute;top:16px;left:16px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;padding:6px 12px 6px 10px;border-radius:99px;background:rgba(0,0,0,.35);border:1px solid var(--line2);z-index:2}
.state-pill i{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);transition:background .4s,box-shadow .4s}
.stage[data-mood="2"] .state-pill i{background:#c8d4ff;box-shadow:0 0 10px #c8d4ff}
.stage[data-mood="3"] .state-pill i{background:var(--pink);box-shadow:0 0 10px var(--pink)}
.loading{position:absolute;color:var(--muted);font-size:13px;z-index:0}
.hint{position:absolute;top:18px;right:18px;font-size:12px;color:var(--dim);z-index:2}
.wave{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);width:min(280px,60%);height:40px;z-index:2;opacity:.9;pointer-events:none}
.tour-caption{width:100%;max-width:560px;background:rgba(14,16,22,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line2);border-radius:16px;padding:12px 16px;display:flex;flex-direction:column;gap:2px;}
.tour-caption strong{font-size:15px}
.tour-caption span{font-size:13.5px;color:#b9c0bb}
.tour-steps{display:flex;gap:4px;margin-bottom:8px;visibility:hidden}
.tour-caption.touring .tour-steps{visibility:visible}
.tour-caption.touring{border-color:rgba(235,255,79,.3)}
.tour-steps i{flex:1;height:3px;border-radius:2px;background:rgba(255,255,255,.12);overflow:hidden;position:relative}
.tour-steps i.done{background:var(--lime)}
.tour-steps i b{position:absolute;inset:0;width:0;background:var(--lime)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* sections */
.section{padding:72px 0 24px}
.section-head{max-width:640px;margin-bottom:28px}
h2{font-size:clamp(28px,3.6vw,42px);letter-spacing:-.025em;line-height:1.08;margin:0 0 10px}
h3{font-size:16px;margin:0 0 12px}
h3 small{font-weight:500;color:var(--dim);font-size:12px;margin-left:6px}
.sub{color:#a9b0ab;margin:0;max-width:36em}

/* gallery */
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.card{display:flex;flex-direction:column;text-align:left;gap:6px;padding:12px 12px 16px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);cursor:pointer;transition:transform .2s,border-color .2s,background .2s}
.card:hover{transform:translateY(-3px);border-color:var(--line2)}
.card img{width:100%;aspect-ratio:1;border-radius:14px;display:block;margin-bottom:6px;background:#0a0b10}
.card b{font-size:16px}
.card span{font-size:13px;color:#a2a9a4;line-height:1.4;flex:1}
.card em{font-style:normal;font-size:11px;color:var(--dim);font-family:ui-monospace,Menlo,monospace}
.card.on{border-color:var(--lime);background:linear-gradient(180deg,rgba(235,255,79,.07),var(--surface) 50%)}
.card.pink.on{border-color:var(--pink);background:linear-gradient(180deg,rgba(232,168,200,.09),var(--surface) 50%)}

/* chat */
.chat-section{display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.phone{width:340px;height:680px;border-radius:48px;background:#07080b;border:10px solid #1b1e26;box-shadow:0 0 0 1px #2a2e38,0 50px 100px -40px rgba(0,0,0,.9),0 0 80px -30px rgba(235,255,79,.15);
  display:flex;flex-direction:column;overflow:hidden;position:relative}
.phone-notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:96px;height:26px;border-radius:20px;background:#000;z-index:2}
.phone-status{display:flex;justify-content:space-between;padding:12px 26px 0;font-size:12px;font-weight:600;color:#cfd4cf;height:36px}
.phone-status .dots{letter-spacing:1px;font-size:9px}
.phone-head{display:flex;flex-direction:column;align-items:center;padding:0 0 6px;border-bottom:1px solid var(--line)}
#phoneCanvas{width:150px;height:150px}
.phone-who{text-align:center;margin-top:-10px}
.phone-who b{display:block;font-size:15px}
.phone-who span{font-size:12px;color:var(--muted);transition:color .3s}
.phone-who span.listen{color:var(--lime)} .phone-who span.think{color:#c8d4ff} .phone-who span.speak{color:var(--pink)}
.msgs{flex:1;overflow-y:auto;padding:14px 14px 6px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth}
.msg{max-width:84%;padding:9px 13px;border-radius:18px;font-size:14px;line-height:1.4;animation:rise .25s ease}
.msg.bot{background:var(--surface2);border:1px solid var(--line);border-bottom-left-radius:6px;align-self:flex-start}
.msg.user{background:var(--lime);color:var(--ink);border-bottom-right-radius:6px;align-self:flex-end;font-weight:500}
.msg.typing{display:flex;gap:4px;padding:12px 14px}
.msg.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:bob 1s infinite}
.msg.typing i:nth-child(2){animation-delay:.15s}.msg.typing i:nth-child(3){animation-delay:.3s}
@keyframes bob{0%,60%,100%{transform:none;opacity:.5}30%{transform:translateY(-4px);opacity:1}}
.chips{display:flex;gap:6px;overflow-x:auto;padding:6px 12px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;font-size:12.5px;padding:7px 12px;border-radius:99px;border:1px solid rgba(235,255,79,.35);background:transparent;color:var(--lime);cursor:pointer}
.chip:disabled{opacity:.4;cursor:default}
.composer{display:flex;gap:8px;padding:8px 12px 20px}
.composer input{flex:1;min-width:0;background:var(--surface2);border:1px solid var(--line2);border-radius:99px;padding:10px 14px;color:var(--text);font:inherit;font-size:14px;outline:none}
.composer input:focus{border-color:rgba(235,255,79,.5)}
.send{width:40px;height:40px;border-radius:50%;border:0;background:var(--lime);color:var(--ink);font-weight:800;font-size:18px;cursor:pointer}
.chat-copy .sub{margin-bottom:20px}
.flow{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:10px}
.flow li{display:flex;align-items:center;gap:10px;color:#b9c0bb}
.flow b{color:var(--text)}
.d{width:10px;height:10px;border-radius:50%}
.d.listen{background:var(--lime)} .d.think{background:#c8d4ff} .d.speak{background:var(--pink)}
.card-flat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.live-row{display:flex;align-items:center;gap:12px;margin-top:10px;flex-wrap:wrap}
.live-row .btn{flex:none}
.note{font-size:12.5px;color:var(--muted);margin:0}
.fine{font-size:12px;color:var(--dim);margin-top:18px;max-width:36em}

/* controls */
.panel{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ctl{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:10px;min-width:0}
.ctl>label:first-child{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);display:flex;justify-content:space-between}
.ctl output{color:var(--lime);font-family:ui-monospace,Menlo,monospace;letter-spacing:0;text-transform:none}
.seg{display:flex;background:var(--bg);border:1px solid var(--line2);border-radius:12px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:transparent;padding:8px 6px;border-radius:9px;cursor:pointer;font-size:13px;font-weight:600;color:#aab1ac}
.seg button.on{background:var(--lime);color:var(--ink)}
.seg button.pink.on{background:var(--pink)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:#b9c0bb;cursor:pointer}
input[type=range]{width:100%;accent-color:var(--lime);height:22px}
.range-wrap{position:relative;padding-bottom:18px}
.mark{position:absolute;bottom:0;font-size:11px;color:var(--pink);transform:translateX(-50%);white-space:nowrap}
.mark::before{content:"";position:absolute;left:50%;top:-9px;width:1px;height:7px;background:var(--pink)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;grid-column:1/-1}
.stats div{display:flex;flex-direction:column}
.stats span{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.08em}
.stats b{font-size:18px;color:var(--text)}

.foot{max-width:1180px;margin:60px auto 0;padding:24px clamp(16px,4vw,48px) 40px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot p{margin:0}
.foot b{color:var(--text)}

/* responsive */
@media (max-width:980px){
  .hero{grid-template-columns:1fr;min-height:0;padding-top:28px}
  .hero-copy{order:2}
  .stage-wrap{order:1}
  .cards{grid-template-columns:repeat(3,1fr)}
  .chat-section{grid-template-columns:1fr;justify-items:center}
  .chat-copy{max-width:560px}
  .panel{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .nav .tag{display:none}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards .card:last-child{grid-column:span 2}
  .panel{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .phone{width:min(340px,100%);height:620px}
  .stage{border-radius:24px}
  .facts{gap:18px}
}