/* Rich Thames AI Demo System — shared design system (matches richthames.com v2) */
:root{
  --gold1:#c9a45c; --gold2:#e6c987; --gold-bright:#f0d9a0;
  --bg:#0b0b0d; --bg2:#101014; --card:#141419; --card2:#181820;
  --line:rgba(201,164,92,.22); --txt:#f2efe8; --muted:#a7a49c; --muted2:#7d7a72;
  --grad:linear-gradient(135deg,#c9a45c,#e6c987);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden;min-height:100vh}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Archivo',sans-serif;line-height:1.08;letter-spacing:-.01em}
.container{max-width:1080px;margin:0 auto;padding:0 32px}
.gold{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.label{display:inline-flex;align-items:center;gap:10px;font-family:'Archivo',sans-serif;font-weight:700;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold1);margin-bottom:18px}
.label::before{content:"";width:28px;height:2px;background:var(--grad);display:inline-block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:'Archivo',sans-serif;font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;padding:16px 30px;border-radius:6px;border:none;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;white-space:nowrap}
.btn-gold{background:var(--grad);color:#17130a;box-shadow:0 8px 28px rgba(201,164,92,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(201,164,92,.48)}
.btn-gold:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--txt);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--gold1);color:var(--gold2);transform:translateY(-2px)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(9,9,11,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(201,164,92,.14)}
.nav-inner{max-width:1080px;margin:0 auto;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.monogram{width:42px;height:42px;flex:none;display:flex;align-items:center;justify-content:center;border:2px solid;border-image:linear-gradient(135deg,#c9a45c,#e6c987) 1;border-radius:8px;background:linear-gradient(160deg,#1a1710,#0d0c08);position:relative;overflow:hidden}
.monogram::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(230,201,135,.25),transparent 60%)}
.monogram span{font-family:'Playfair Display',serif;font-style:normal;font-weight:600;font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;z-index:1}
.brand-name{font-family:'Archivo',sans-serif;font-weight:800;font-size:16px;letter-spacing:.14em;color:#fff;line-height:1.1}
.brand-sub{font-family:'Archivo',sans-serif;font-weight:600;font-size:9px;letter-spacing:.24em;color:var(--gold1);text-transform:uppercase;line-height:1.4}
.nav-cta{padding:11px 20px;font-size:12px}

/* HERO / FORM */
.page{padding:140px 0 60px;position:relative;overflow:hidden}
.page::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% -10%,rgba(201,164,92,.13),transparent 70%);pointer-events:none}
.hero-wrap{position:relative;z-index:1;max-width:680px;margin:0 auto;text-align:center}
.hero-wrap .label{justify-content:center}
.hero-wrap .label::after{content:"";width:28px;height:2px;background:var(--grad);display:inline-block}
h1.page-title{font-size:clamp(34px,4.6vw,56px);font-weight:900;color:#fff;text-transform:uppercase;margin-bottom:18px}
h1.page-title .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-sub{color:#cfccc4;font-size:16px;max-width:560px;margin:0 auto 40px}
.page-sub b{color:var(--gold2);font-weight:600}

/* steps strip */
.steps-strip{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.step-pill{display:flex;align-items:center;gap:9px;font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:9px 16px;background:rgba(255,255,255,.02)}
.step-pill .n{width:20px;height:20px;flex:none;border-radius:50%;background:rgba(201,164,92,.14);color:var(--gold2);display:flex;align-items:center;justify-content:center;font-size:10px}
.step-pill.done{border-color:rgba(201,164,92,.5);color:var(--gold2)}
.step-pill.active{border-color:var(--gold1);color:#fff;background:rgba(201,164,92,.08)}

/* form card */
.form-card{background:linear-gradient(160deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:16px;padding:38px 36px;text-align:left;box-shadow:0 30px 70px rgba(0,0,0,.5)}
.field{margin-bottom:20px}
.field label{display:block;font-family:'Archivo',sans-serif;font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold1);margin-bottom:9px}
.field input,.field textarea{width:100%;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.12);border-radius:8px;color:var(--txt);font-family:'Inter',sans-serif;font-size:15px;padding:14px 16px;transition:border-color .2s,box-shadow .2s;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--gold1);box-shadow:0 0 0 3px rgba(201,164,92,.15)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted2)}
.field .hint{font-size:12.5px;color:var(--muted2);margin-top:7px}
.form-card .btn{width:100%;margin-top:6px}
.form-note{text-align:center;font-size:12.5px;color:var(--muted2);margin-top:16px}

/* status / progress */
.status{display:none;margin-top:22px;border-radius:10px;border:1px solid var(--line);background:rgba(201,164,92,.05);padding:16px 18px;text-align:left}
.status.show{display:block}
.status-line{display:flex;align-items:center;gap:12px;font-size:14px;color:#d8d5cd;padding:4px 0}
.status-line .dot{width:8px;height:8px;flex:none;border-radius:50%;background:var(--muted2)}
.status-line.pending .dot{background:var(--muted2)}
.status-line.active .dot{background:var(--gold2);box-shadow:0 0 10px rgba(201,164,92,.7);animation:pulse 1.1s infinite}
.status-line.done .dot{background:#7fce7f}
.status-line.fail .dot{background:#d06a6a}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.spinner{width:16px;height:16px;flex:none;border:2px solid rgba(201,164,92,.25);border-top-color:var(--gold2);border-radius:50%;animation:spin .8s linear infinite;display:none}
.status-line.active .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}

/* manual fallback */
.fallback{display:none;margin-top:22px;border-top:1px dashed var(--line);padding-top:22px}
.fallback.show{display:block}
.fallback p{font-size:14px;color:var(--muted);margin-bottom:14px}

/* error banner */
.error-banner{display:none;margin-top:18px;border:1px solid rgba(208,106,106,.5);background:rgba(208,106,106,.08);border-radius:10px;padding:14px 18px;font-size:14px;color:#e8b0b0;text-align:left}
.error-banner.show{display:block}

/* ============ DEMO PAGE ============ */
.demo-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.4fr;gap:28px;align-items:start;max-width:1140px;margin:0 auto;padding:0 32px}
.profile-card,.chat-shell{background:linear-gradient(160deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 70px rgba(0,0,0,.5)}
.profile-card{padding:28px 26px;position:sticky;top:96px}
.pc-label{font-family:'Archivo',sans-serif;font-weight:700;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold1);margin-bottom:6px}
.pc-biz{font-family:'Playfair Display',serif;font-style:italic;font-weight:600;font-size:26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:4px;word-break:break-word}
.pc-url{font-size:12.5px;color:var(--muted);word-break:break-all;margin-bottom:20px}
.pc-url a{color:var(--gold2);border-bottom:1px solid rgba(201,164,92,.4)}
.pc-sec{border-top:1px solid rgba(201,164,92,.14);padding-top:16px;margin-top:16px}
.pc-sec h4{font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.pc-sec ul{list-style:none}
.pc-sec li{font-size:13.5px;color:#d8d5cd;padding:3px 0;display:flex;gap:9px;align-items:baseline;word-break:break-word}
.pc-sec li::before{content:"";width:5px;height:5px;flex:none;border-radius:50%;background:var(--gold1);position:relative;top:-2px}
.pc-scrapped{font-size:12.5px;color:var(--muted2);max-height:130px;overflow:auto;border:1px solid rgba(255,255,255,.07);border-radius:8px;padding:10px 12px;background:rgba(0,0,0,.25);line-height:1.5}
.share-box{border-top:1px solid rgba(201,164,92,.14);padding-top:18px;margin-top:18px}
.share-box h4{font-family:'Archivo',sans-serif;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold1);margin-bottom:9px}
.share-box p{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.share-row{display:flex;gap:8px;flex-wrap:wrap}
.share-row .btn{padding:10px 14px;font-size:11px}
.copy-ok{font-size:11.5px;color:#7fce7f;margin-top:8px;opacity:0;transition:opacity .3s}
.copy-ok.show{opacity:1}

/* chat */
.chat-shell{display:flex;flex-direction:column;min-height:620px;max-height:80vh}
.chat-head{display:flex;align-items:center;gap:14px;padding:18px 24px;border-bottom:1px solid rgba(201,164,92,.16);background:rgba(201,164,92,.04);border-radius:16px 16px 0 0}
.bot-avatar{width:44px;height:44px;flex:none;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-family:'Archivo',sans-serif;font-weight:900;font-size:16px;color:#17130a;box-shadow:0 0 18px rgba(201,164,92,.4)}
.chat-head-txt{min-width:0}
.chat-head-txt b{display:block;font-family:'Archivo',sans-serif;font-size:14.5px;letter-spacing:.04em;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-head-txt span{font-size:11.5px;color:#7fce7f;display:flex;align-items:center;gap:6px}
.chat-head-txt span::before{content:"";width:7px;height:7px;border-radius:50%;background:#7fce7f;box-shadow:0 0 8px rgba(127,206,127,.8)}
.chat-live{margin-left:auto;font-family:'Archivo',sans-serif;font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold1);border:1px solid var(--line);border-radius:99px;padding:6px 12px;white-space:nowrap}
.chat-body{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}
.msg{max-width:82%;padding:14px 18px;border-radius:14px;font-size:14.5px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg.bot{align-self:flex-start;background:var(--grad);color:#1c1608;font-weight:500;border-bottom-left-radius:4px;box-shadow:0 6px 18px rgba(201,164,92,.22)}
.msg.user{align-self:flex-end;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:var(--txt);border-bottom-right-radius:4px}
.msg.typing{align-self:flex-start;display:flex;gap:5px;padding:16px 20px;background:rgba(201,164,92,.15);border:1px solid var(--line)}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--gold2);animation:blink 1.2s infinite}
.msg.typing i:nth-child(2){animation-delay:.2s}
.msg.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}
.cta-card{align-self:stretch;border:1px solid rgba(201,164,92,.45);background:linear-gradient(135deg,rgba(201,164,92,.12),rgba(230,201,135,.05));border-radius:14px;padding:20px 22px;animation:msgIn .5s ease;margin-top:4px}
.cta-card h4{font-family:'Archivo',sans-serif;font-size:15px;font-weight:800;letter-spacing:.02em;color:#fff;margin-bottom:7px}
.cta-card p{font-size:13.5px;color:#d8d5cd;margin-bottom:14px}
.cta-card .btn{padding:12px 22px;font-size:12px}
.suggest{align-self:flex-start;display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.suggest button{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:99px;color:#d8d5cd;font-family:'Inter',sans-serif;font-size:12.5px;padding:8px 15px;cursor:pointer;transition:border-color .2s,color .2s}
.suggest button:hover{border-color:var(--gold1);color:var(--gold2)}
.chat-input{display:flex;gap:12px;padding:18px 24px;border-top:1px solid rgba(201,164,92,.16)}
.chat-input input{flex:1;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:10px;color:var(--txt);font-family:'Inter',sans-serif;font-size:15px;padding:14px 18px;outline:none;transition:border-color .2s}
.chat-input input:focus{border-color:var(--gold1)}
.chat-input input::placeholder{color:var(--muted2)}
.chat-input .btn{padding:14px 22px}
.chat-input .btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.chat-hint{padding:0 24px 16px;font-size:11.5px;color:var(--muted2);text-align:center}

/* footer */
.footer{background:#070709;border-top:1px solid rgba(201,164,92,.14);padding:34px 0;margin-top:70px;position:relative;z-index:1}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted2)}
.foot-bottom .disc{max-width:640px}
.demo-banner{position:relative;z-index:1;text-align:center;font-family:'Archivo',sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--muted2);padding:12px;background:rgba(208,106,106,.07);border-bottom:1px solid rgba(208,106,106,.18)}
.demo-banner b{color:#d99}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .msg,.cta-card{animation:none}
}

/* RESPONSIVE */
@media (max-width:900px){
  .demo-grid{grid-template-columns:1fr;padding:0 20px;gap:20px}
  .profile-card{position:static}
  .chat-shell{min-height:540px;max-height:none}
  .chat-body{padding:18px;gap:13px}
}
@media (max-width:700px){
  .container{padding:0 20px}
  .brand-name{font-size:13px}
  .brand-sub{font-size:8px;letter-spacing:.18em}
  .monogram{width:34px;height:34px}
  .monogram span{font-size:18px}
  .nav-cta{padding:9px 14px;font-size:10px}
  .page{padding:120px 0 40px}
  .form-card{padding:28px 22px}
  .nav-inner{padding:12px 20px}
  .chat-input{padding:14px 16px;gap:8px}
  .chat-input .btn{padding:12px 16px;font-size:12px}
  .msg{max-width:92%}
  .chat-head{padding:14px 16px}
  .chat-live{display:none}
  .step-pill{font-size:10px;padding:8px 12px}
}