:root{
  --paper:#F5F5F7; --paper-2:#ECECEF; --card:#FFFFFF; --card-2:#FAFAFB;
  --ink:#0A0B0D; --ink-2:#1A1C22; --muted:#5C5F66; --faint:#6B6E76;
  --line:rgba(10,11,13,.10); --line-2:rgba(10,11,13,.06);
  --accent:#7C3AED; --accent-2:#A78BFA; --accent-3:#5B5BFF; --accent-ink:#fff;
  --accent-wash:rgba(124,58,237,.09); --accent-grad:linear-gradient(120deg,#5B5BFF,#A23BFF);
  --ok:#12A150; --ok-wash:rgba(18,161,80,.10); --warn:#E8A317; --warn-wash:rgba(232,163,23,.12);
  --info:#2E7BEE; --info-wash:rgba(46,123,238,.10); --danger:#E5484D;
  --panel:#0C0D11; --panel-2:#15171D; --panel-ink:#F2F3F5; --panel-muted:#9A9DA6; --panel-line:rgba(242,243,245,.12);
  --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:26px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(10,14,26,.05),0 2px 8px rgba(10,14,26,.05);
  --shadow:0 10px 34px rgba(10,14,26,.10),0 2px 8px rgba(10,14,26,.05);
  --shadow-lg:0 30px 80px rgba(10,14,26,.18),0 8px 24px rgba(10,14,26,.10);
  --ease:cubic-bezier(.2,.7,.2,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --display:'Bricolage Grotesque',system-ui,sans-serif; --body:'Hanken Grotesk',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- top bar (identical across the suite) ---------- */
.topbar{
  position:sticky;top:0;z-index:50;height:58px;
  display:flex;align-items:center;gap:1rem;
  padding:0 clamp(1rem,4vw,2rem);
  background:rgba(255,255,255,.95);backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--display);font-weight:800;letter-spacing:-.02em;font-size:1.05rem;
  color:var(--ink);text-decoration:none;flex:0 0 auto;
}
.brand-dot{
  width:9px;height:9px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px var(--accent-wash),0 0 12px 1px rgba(124,58,237,.5);
}
.topbar-mid{display:flex;align-items:center;gap:.85rem;margin:0 auto 0 .5rem;min-width:0}
.demo-name{font-family:var(--display);font-weight:600;font-size:.98rem;color:var(--ink-2);white-space:nowrap}
.live-pill{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);padding:.28rem .55rem;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--card);white-space:nowrap;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(18,161,80,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(18,161,80,.45)}70%{box-shadow:0 0 0 7px rgba(18,161,80,0)}100%{box-shadow:0 0 0 0 rgba(18,161,80,0)}}
.topbar-cta{
  flex:0 0 auto;text-decoration:none;font-weight:700;font-size:.9rem;
  background:var(--ink);color:#fff;padding:.5rem 1rem;border-radius:var(--r-pill);
  transition:transform .18s var(--ease-out),box-shadow .18s var(--ease-out),background .18s var(--ease-out);
}
.topbar-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(10,11,13,.22)}
.topbar-cta:active{transform:scale(.97)}

@media (max-width:720px){
  .topbar-mid{margin-left:auto}
  .demo-name,.live-pill{display:none}
}

/* ---------- stage ---------- */
.stage{
  min-height:calc(100dvh - 58px);
  display:grid;grid-template-columns:minmax(0,42fr) minmax(0,58fr);
  gap:clamp(1.5rem,4vw,3.5rem);
  align-items:center;
  padding:clamp(1.5rem,4vw,3.5rem) clamp(1rem,4vw,3rem);
  max-width:1320px;margin:0 auto;
}

/* ---------- left pitch ---------- */
.pitch{max-width:520px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent);background:var(--accent-wash);
  padding:.34rem .7rem;border-radius:var(--r-pill);border:1px solid rgba(124,58,237,.16);
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-grad)}
.pitch h1{
  font-family:var(--display);font-weight:800;letter-spacing:-.035em;line-height:1.02;
  font-size:clamp(2.1rem,5vw,3.3rem);margin:1rem 0 .75rem;color:var(--ink);
}
.pitch .sub{font-size:clamp(1rem,1.4vw,1.12rem);color:var(--ink-2);max-width:46ch}

.values{list-style:none;margin:1.9rem 0 0;display:flex;flex-direction:column;gap:1.05rem}
.value{display:flex;gap:.9rem;align-items:flex-start}
.value-ic{
  flex:0 0 auto;width:42px;height:42px;border-radius:var(--r);
  display:grid;place-items:center;color:var(--accent);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.value-ic svg{width:21px;height:21px}
.value-txt{display:flex;flex-direction:column;gap:.1rem;padding-top:.1rem}
.value-txt strong{font-weight:700;font-size:1rem;color:var(--ink);letter-spacing:-.01em}
.value-txt span{font-size:.9rem;color:var(--muted)}

.counter{
  margin-top:2rem;display:inline-flex;align-items:center;gap:.7rem;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:.7rem 1rem .7rem .8rem;box-shadow:var(--shadow-sm);
}
.counter-ring{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  color:var(--ok);background:var(--ok-wash);
}
.counter-ring svg{width:18px;height:18px}
.counter-txt{font-size:.9rem;color:var(--muted);font-weight:500}
.counter-num{
  font-family:var(--mono);font-weight:600;font-size:1.15rem;color:var(--ink);
  min-width:1.4ch;text-align:center;transition:transform .3s var(--ease-out)}
.counter-num.bump{transform:scale(1.28);color:var(--ok)}

/* ---------- right: chat widget ---------- */
.chat-wrap{display:flex;justify-content:center;align-items:stretch;min-width:0}
.chat{
  width:100%;max-width:480px;height:min(520px,calc(100dvh - 130px));
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);overflow:hidden;position:relative;
}
.chat::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(160deg,rgba(124,58,237,.35),transparent 42%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}

.chat-head{
  display:flex;align-items:center;gap:.7rem;padding:.85rem 1rem;
  border-bottom:1px solid var(--line);background:var(--card-2);position:relative;z-index:1;
}
.avatar{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--accent-ink);background:var(--accent-grad);box-shadow:0 4px 12px rgba(124,58,237,.35);
}
.avatar svg{width:22px;height:22px}
.chat-id{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.chat-name{font-family:var(--display);font-weight:700;font-size:1rem;color:var(--ink)}
.chat-status{font-size:.76rem;color:var(--muted);display:inline-flex;align-items:center;gap:.35rem}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(18,161,80,.5);animation:pulse 2s infinite}
.chat-secure{margin-left:auto;color:var(--faint);display:grid;place-items:center}
.chat-secure svg{width:18px;height:18px}

.stream{
  flex:1 1 auto;overflow-y:auto;padding:1.1rem 1rem;
  display:flex;flex-direction:column;gap:.6rem;scroll-behavior:smooth;
  background:
    radial-gradient(120% 60% at 100% 0,var(--accent-wash),transparent 60%),
    var(--card);
}
.stream::-webkit-scrollbar{width:8px}
.stream::-webkit-scrollbar-thumb{background:rgba(10,11,13,.14);border-radius:99px;border:2px solid transparent;background-clip:content-box}

.msg{max-width:82%;display:flex;flex-direction:column;gap:.25rem;animation:rise .28s var(--ease-out) both}
@keyframes rise{from{opacity:0;transform:translateY(6px) scale(.98)}to{opacity:1;transform:none}}
.msg .bubble{
  padding:.62rem .82rem;border-radius:var(--r-lg);font-size:.94rem;
  white-space:pre-wrap;word-wrap:break-word;
}
.msg .time{font-family:var(--mono);font-size:.62rem;color:var(--faint);letter-spacing:.02em;padding:0 .3rem}
.msg.bot{align-self:flex-start;align-items:flex-start}
.msg.bot .bubble{background:var(--paper-2);color:var(--ink-2);border-bottom-left-radius:6px}
.msg.user{align-self:flex-end;align-items:flex-end}
.msg.user .bubble{background:var(--accent-grad);color:#fff;border-bottom-right-radius:6px}
.msg .cursor{display:inline-block;width:.5ch;color:var(--accent);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* typing indicator */
.typing{align-self:flex-start;background:var(--paper-2);border-radius:var(--r-lg);border-bottom-left-radius:6px;padding:.72rem .9rem;display:inline-flex;gap:.28rem;animation:rise .28s var(--ease-out) both}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--faint);display:inline-block;animation:bounce 1.3s infinite ease-in-out}
.typing i:nth-child(2){animation-delay:.16s}
.typing i:nth-child(3){animation-delay:.32s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}

/* system receipt card */
.receipt{align-self:stretch;max-width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:.7rem .8rem;box-shadow:var(--shadow-sm);animation:rise .3s var(--ease-out) both}
.receipt-h{font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.07em;color:var(--faint);margin-bottom:.5rem}
.receipt-row{display:flex;align-items:center;gap:.5rem;font-size:.84rem;color:var(--ink-2);padding:.14rem 0}
.receipt-row svg{width:16px;height:16px;color:var(--ok);flex:0 0 auto}

/* ---------- composer ---------- */
.composer{border-top:1px solid var(--line);padding:.7rem;background:var(--card-2);position:relative;z-index:1}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.6rem}
.chip{
  font-size:.82rem;font-weight:600;color:var(--accent);
  background:var(--accent-wash);border:1px solid rgba(124,58,237,.2);
  padding:.4rem .7rem;border-radius:var(--r-pill);
  transition:background .16s var(--ease-out),transform .12s var(--ease-out),color .16s var(--ease-out);
  animation:rise .24s var(--ease-out) both;
}
.chip:hover{background:var(--accent);color:var(--accent-ink)}
.chip:active{transform:scale(.96)}
.input-row{display:flex;gap:.5rem;align-items:center}
.chat-input{
  flex:1 1 auto;min-width:0;font-family:var(--body);font-size:.94rem;color:var(--ink);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:.68rem 1rem;transition:border-color .16s var(--ease-out),box-shadow .16s var(--ease-out);
}
.chat-input::placeholder{color:var(--faint)}
.chat-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash)}
.send{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  color:var(--accent-ink);background:var(--accent-grad);box-shadow:0 6px 16px rgba(124,58,237,.32);
  transition:transform .14s var(--ease-out),filter .16s var(--ease-out),opacity .16s var(--ease-out);
}
.send svg{width:19px;height:19px;transform:translateX(-1px)}
.send:hover{filter:brightness(1.06)}
.send:active{transform:scale(.94)}
.send:disabled,.chat-input:disabled{opacity:.5;cursor:not-allowed}
.composer-note{display:block;text-align:center;margin-top:.5rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.03em;color:var(--faint)}

/* ---------- toast ---------- */
.toast{
  position:fixed;right:clamp(1rem,4vw,2rem);bottom:clamp(1rem,4vw,2rem);z-index:60;
  display:flex;align-items:center;gap:.55rem;
  background:var(--panel);color:var(--panel-ink);
  padding:.7rem 1rem;border-radius:var(--r);box-shadow:var(--shadow-lg);
  border:1px solid var(--panel-line);
  transform:translateY(14px) scale(.96);opacity:0;pointer-events:none;
  transition:transform .32s var(--ease-out),opacity .32s var(--ease-out);
}
.toast.show{transform:none;opacity:1}
.toast-ic{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--ok)}
.toast-ic svg{width:17px;height:17px}
.toast-txt{font-weight:600;font-size:.9rem}
.toast-arrow{color:var(--accent-2);font-weight:700}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .stage{grid-template-columns:1fr;align-items:start;gap:1.75rem;padding-bottom:2.5rem}
  .pitch{max-width:none;order:1}
  .chat-wrap{order:2}
  .chat{max-width:none;height:min(560px,80dvh)}
  .pitch h1{font-size:clamp(1.9rem,8vw,2.6rem)}
}
@media (max-width:420px){
  .value-txt strong{font-size:.95rem}
  .msg{max-width:88%}
  .toast{left:1rem;right:1rem;bottom:1rem}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  .stream{scroll-behavior:auto}
}