:root{
    --cream:#fcf6ee; --cream2:#fffaf3; --ink:#0e1624; --muted:#6a7282;
    --line:#e9e4de; --primary:#ff5818; --primary-deep:#f05100;
    --tint:#ffede0; --tint2:#fff4ec; --navy:#0f172a; --navy2:#1d293d;
    --paper:#f8fafc; --green:#009767; --sky:#0084cc; --violet:#7f22fe; --rose:#e70044;
    --bot:#0084cc; --bot-deep:#006da8;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  body{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--cream);color:var(--ink);-webkit-font-smoothing:antialiased}
  .wrap{max-width:1160px;margin:0 auto;padding:0 28px}
  /* NAV */
  nav{position:sticky;top:0;z-index:50;background:rgba(252,246,238,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  .nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
  .logo{font-weight:800;font-size:20px;letter-spacing:-.02em}
  .logo span{color:var(--primary)}
  .nav-links{display:flex;gap:28px;font-size:14.5px;color:var(--muted);font-weight:500}
  .nav-links a{text-decoration:none;color:inherit}
  .btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:15px;border-radius:999px;padding:13px 26px;transition:transform .15s, box-shadow .15s}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px -12px rgba(255,88,24,.55)}
  .btn-primary:hover{transform:translateY(-1px)}
  .btn-ghost{border:1.5px solid var(--line);color:var(--ink);background:#fff}
  .btn-sm{padding:10px 20px;font-size:14px}
  /* HERO */
  .hero{padding:84px 0 72px;position:relative;overflow:hidden}
  .hero::before{content:"";position:absolute;width:640px;height:640px;right:-180px;top:-160px;background:radial-gradient(circle,rgba(255,88,24,.14),transparent 65%);pointer-events:none}
  .eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-deep);background:var(--tint);border:1px solid #ffd9bd;padding:7px 14px;border-radius:999px;margin-bottom:22px}
  h1{font-size:58px;line-height:1.04;letter-spacing:-.03em;font-weight:800;max-width:640px}
  h1 em{font-style:normal;color:var(--primary)}
  .lede{font-size:18.5px;line-height:1.65;color:var(--muted);max-width:600px;margin:22px 0 34px}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
  .trust{display:flex;gap:26px;flex-wrap:wrap;font-size:14px;color:var(--muted);font-weight:600}
  .trust i{font-style:normal;color:var(--green);margin-right:7px;font-weight:800}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
  /* CHAT MOCK */
  .chat-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 60px -30px rgba(14,22,36,.25);overflow:hidden}
  .chat-head{background:var(--navy);color:#fff;padding:16px 20px;display:flex;align-items:center;gap:12px}
  .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0084cc,#8fd0f2);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:17px}
  .chat-head .who{font-weight:700;font-size:15px}
  .chat-head .who small{display:block;font-weight:500;color:#9fb0c7;font-size:12px}
  .live-dot{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#7ee2b0;white-space:nowrap}
  .live-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:#22c55e;animation:pulse 1.8s infinite}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
  .chat-body{padding:22px 20px;display:flex;flex-direction:column;gap:14px;background:var(--cream2)}
  .msg{max-width:82%;padding:12px 16px;border-radius:16px;font-size:14.5px;line-height:1.55}
  .msg.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start;color:var(--ink)}
  .msg.user{background:var(--bot);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
  .msg .tag{display:block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--bot-deep);margin-bottom:5px}
  .msg.user .tag{color:#cdeaff}
  .chat-input{border-top:1px solid var(--line);padding:14px 18px;display:flex;gap:10px;align-items:center;background:#fff}
  .chat-input .fake{flex:1;background:var(--cream);border:1px solid var(--line);border-radius:999px;padding:11px 18px;font-size:14px;color:#a3adbb}
  .send{width:40px;height:40px;border-radius:50%;background:var(--bot);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700}
  .demo-note{text-align:center;font-size:12.5px;color:var(--muted);padding:10px;background:var(--tint2);border-top:1px dashed #ffd9bd}
  /* Demo-section chat is shorter than the hero chat: tighter internals so the
     card height sits closer to the bullet list, killing dead space below it */
  #demoWindow .chat-head{padding:12px 18px}
  #demoWindow .chat-body{padding:16px 18px;gap:10px}
  #demoWindow .msg{padding:10px 14px}
  #demoWindow .demo-note{padding:8px}
  /* SECTIONS */
  section{padding:76px 0;scroll-margin-top:80px}
  .kicker{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-deep);margin-bottom:14px}
  h2{font-size:38px;letter-spacing:-.025em;font-weight:800;line-height:1.12;max-width:640px}
  .sub{color:var(--muted);font-size:17px;line-height:1.65;margin-top:14px;max-width:620px}
  /* DARK DEMO */
  .dark{background:var(--navy);color:var(--paper);border-radius:28px;margin:0 18px}
  .dark .sub{color:#9fb0c7}
  .dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-top:44px}
  .feat{display:flex;gap:14px;margin-top:12px}
  .feat .n{flex:0 0 34px;height:34px;border-radius:10px;background:rgba(255,88,24,.16);color:#ffb96d;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
  .feat p{font-size:15.5px;line-height:1.6;color:#c6d2e2}
  .feat p strong{color:#fff}
  .dark-cta{margin-top:26px}
  /* OFFERS */
  .offer-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
  .offer{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px;position:relative;overflow:hidden}
  .offer.hero-offer{border:2px solid var(--primary);box-shadow:0 24px 48px -24px rgba(255,88,24,.35)}
  .offer .flag{position:absolute;top:20px;right:20px;font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--primary);color:#fff;padding:6px 12px;border-radius:999px}
  .offer h3{font-size:24px;font-weight:800;letter-spacing:-.02em;margin:14px 0 10px}
  .offer .icon{width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:25px}
  .offer ul{list-style:none;margin:20px 0 26px}
  .offer li{font-size:15px;color:var(--muted);line-height:1.6;padding:9px 0 9px 30px;position:relative;border-bottom:1px dashed var(--line)}
  .offer li:last-child{border-bottom:0}
  .offer li::before{content:"✓";position:absolute;left:2px;color:var(--green);font-weight:800}
  .price{font-size:14px;color:var(--muted);margin-bottom:18px}
  .price strong{color:var(--ink);font-size:19px}
  .price .was{display:block;text-decoration:line-through;text-decoration-thickness:1px;opacity:.8}
  .price strong{display:block;margin-top:3px}
  .price .founding-note{display:block;font-size:12.5px;margin-top:4px}
  .offer-note{margin-top:26px;text-align:center;color:var(--muted);font-size:14.5px}
  /* WORK / PORTFOLIO */
  .work-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
  .pf-card{display:block;border-radius:22px;overflow:hidden;box-shadow:0 24px 48px -24px rgba(15,23,42,.35);transition:transform .18s,box-shadow .18s}
  a.pf-card:hover{transform:translateY(-4px);box-shadow:0 32px 60px -24px rgba(15,23,42,.45)}
  .pf-card img{display:block;width:100%;height:auto}
  /* CASE STUDIES */
  .work-sub{font-size:26px;font-weight:800;letter-spacing:-.02em;margin:60px 0 6px}
  .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
  .case-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;display:grid;grid-template-columns:1fr 1.2fr;transition:transform .18s}
  .case-card:hover{transform:translateY(-4px);box-shadow:0 24px 48px -24px rgba(15,23,42,.18)}
  .case-visual{min-height:260px;padding:0;overflow:hidden}
  .case-visual img{width:100%;height:100%;object-fit:cover;display:block}
  .case-info{padding:32px 30px}
  .case-industry{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--primary-deep);margin-bottom:12px}
  .case-info h4{font-size:19px;font-weight:700;line-height:1.45;color:var(--ink);margin-bottom:18px}
  .case-stat{font-size:52px;font-weight:800;letter-spacing:-.03em;color:var(--primary)}
  .case-label{font-size:14px;color:var(--muted);margin-top:4px}
  .work-note{margin-top:26px;text-align:center;color:var(--muted);font-size:14.5px}
  /* STEPS */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
  .step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px}
  .step .num{font-size:13px;font-weight:800;color:var(--primary-deep);letter-spacing:.1em;margin-bottom:12px}
  .step h4{font-size:19px;font-weight:800;margin-bottom:10px}
  .step p{font-size:15px;color:var(--muted);line-height:1.65}
  /* FOUNDING */
  .founding{background:linear-gradient(135deg,#fff4ec,#ffede0);border:1px solid #ffd9bd;border-radius:24px;padding:48px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;margin-top:44px}
  .founding h3{font-size:30px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
  .founding p{color:#7c5a3e;font-size:16.5px;line-height:1.7}
  .slots{display:flex;gap:12px;margin-top:22px}
  .slot{flex:1;background:#fff;border:1.5px dashed #f0b98a;border-radius:14px;padding:16px;text-align:center;font-size:13.5px;font-weight:700;color:#b07a4a}
  .slot.taken{border-style:solid;background:var(--navy);color:#fff;border-color:var(--navy)}
  .slot-btn{font-family:inherit;cursor:pointer;transition:transform .15s,border-color .15s,box-shadow .15s}
  .slot-btn:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 6px 16px rgba(255,88,24,.18)}
  /* FAQ */
  .faq{max-width:760px;margin-top:36px}
  .qa{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 26px;margin-bottom:14px}
  .qa h4{font-size:16.5px;font-weight:800;margin-bottom:8px}
  .qa p{font-size:15px;color:var(--muted);line-height:1.65}
  /* FINAL CTA */
  .final{background:var(--primary);border-radius:28px;margin:0 18px 90px;padding:70px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
  .final::before{content:"";position:absolute;width:500px;height:500px;left:50%;top:-260px;transform:translateX(-50%);background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%)}
  .final h2{color:#fff;max-width:700px;margin:0 auto}
  .final p{color:#ffe3d3;margin:16px auto 32px;max-width:560px;font-size:17px;line-height:1.65}
  .btn-white{background:#fff;color:var(--primary-deep)}
  footer{background:var(--navy);color:#9fb0c8;padding:44px 0;font-size:13.5px}
  .foot-in{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
  /* NONA floating assistant (orange = Nona Digi brand) */
  #nonaFab{position:fixed;right:24px;bottom:24px;z-index:200;width:62px;height:62px;border-radius:50%;border:none;cursor:pointer;background:linear-gradient(135deg,var(--primary),#ff8a4d);color:#fff;box-shadow:0 14px 30px -8px rgba(255,88,24,.55);display:flex;align-items:center;justify-content:center;transition:transform .18s}
  #nonaFab:hover{transform:scale(1.07)}
  #nonaFab svg{width:28px;height:28px}
  #nonaFab .nona-dot{position:absolute;top:2px;right:2px;width:14px;height:14px;border-radius:50%;background:#22c55e;border:3px solid var(--cream)}
  #nonaPanel{position:fixed;right:24px;bottom:100px;z-index:200;width:384px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 140px);background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 34px 70px -20px rgba(14,22,36,.4);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(18px) scale(.98);pointer-events:none;transition:opacity .22s,transform .22s}
  #nonaPanel.open{opacity:1;transform:none;pointer-events:auto}
  .nona-head{background:var(--navy);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:11px;flex:0 0 auto}
  .nona-head .avatar{width:38px;height:38px;font-size:16px;background:linear-gradient(135deg,var(--primary),#ffb96d)}
  .nona-head .who{font-weight:700;font-size:14.5px;line-height:1.3}
  .nona-head .who small{display:block;font-weight:500;color:#9fb0c7;font-size:11.5px}
  #nonaClose{margin-left:auto;background:none;border:none;color:#9fb0c7;font-size:22px;cursor:pointer;line-height:1;padding:4px}
  #nonaClose:hover{color:#fff}
  #nonaBody{flex:1;overflow-y:auto;padding:18px 14px;display:flex;flex-direction:column;gap:11px;background:var(--cream2)}
  #nonaBody .msg{font-size:14px;max-width:86%}
  #nonaBody .msg .time{font-size:10px;color:#a3adbb;margin-top:5px}
  .nona-chips{display:flex;gap:7px;flex-wrap:wrap;padding:2px}
  .nona-chip{border:1.5px solid var(--primary);color:var(--primary-deep);background:#fff;font-weight:700;font-size:12.5px;padding:8px 14px;border-radius:999px;cursor:pointer;font-family:inherit}
  .nona-chip:hover{background:var(--primary);color:#fff}
  .nona-typing{align-self:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;border-bottom-left-radius:4px;padding:11px 15px;display:flex;gap:5px}
  .nona-typing span{width:6px;height:6px;border-radius:50%;background:#c9cfd8;animation:blink 1.2s infinite}
  .nona-typing span:nth-child(2){animation-delay:.2s}.nona-typing span:nth-child(3){animation-delay:.4s}
  .nona-input{border-top:1px solid var(--line);padding:11px 12px;display:flex;gap:8px;background:#fff;flex:0 0 auto}
  .nona-input input{flex:1;border:1.5px solid var(--line);border-radius:999px;padding:10px 15px;font-size:13.5px;font-family:inherit;background:var(--cream2);color:var(--ink);min-width:0}
  .nona-input input:focus{outline:none;border-color:var(--primary);background:#fff}
  .nona-input button{width:42px;height:42px;flex:0 0 42px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:16px;cursor:pointer;font-weight:700}
  .nona-input button:hover{background:var(--primary-deep)}
  .nona-note{font-size:10.5px;color:var(--muted);text-align:center;padding:7px;background:var(--tint2);border-top:1px dashed #ffd9bd;flex:0 0 auto}
  /* LIVE Smile Studio demo (blue = demo bot identity) */
  #demoBody{min-height:340px;max-height:460px;overflow-y:auto}
  #demoBody .msg .time{font-size:10px;color:#a3adbb;margin-top:5px}
  #demoInput{flex:1;border:1.5px solid var(--line);border-radius:999px;padding:11px 18px;font-size:14px;font-family:inherit;background:var(--cream2);color:var(--ink);min-width:0}
  #demoInput:focus{outline:none;border-color:var(--bot);background:#fff}
  #demoSend{border:none;cursor:pointer}
  .demo-chips{display:flex;gap:7px;flex-wrap:wrap;padding:2px}
  .demo-chip{border:1.5px solid var(--bot);color:var(--bot-deep);background:#fff;font-weight:700;font-size:12.5px;padding:8px 14px;border-radius:999px;cursor:pointer;font-family:inherit}
  .demo-chip:hover{background:var(--bot);color:#fff}
  /* AUDIT FORM */
  .audit-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:44px;align-items:start}
  .audit-checks{list-style:none;margin-top:24px}
  .audit-checks li{display:flex;gap:14px;padding:15px 0;border-bottom:1px dashed var(--line);font-size:15.5px;line-height:1.6}
  .audit-checks li:last-child{border-bottom:0}
  .audit-checks .ic{flex:0 0 38px;height:38px;border-radius:12px;background:var(--tint);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:var(--primary-deep)}
  .audit-checks strong{display:block;font-size:15.5px}
  .audit-checks span{color:var(--muted);font-size:14px}
  .form-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:0 24px 48px -28px rgba(14,22,36,.25);position:sticky;top:140px}
  .form-card h3{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
  .form-card .fine{font-size:13.5px;color:var(--muted);margin-bottom:22px;line-height:1.6}
  .field{margin-bottom:15px}
  .field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:var(--ink)}
  .field label small{font-weight:500;color:var(--muted)}
  .field input{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 16px;font-size:15px;font-family:inherit;background:var(--cream2);color:var(--ink)}
  .field input:focus{outline:none;border-color:var(--primary);background:#fff}
  .field input.bad{border-color:#e11d48;background:#fff}
  .ferr{display:none;color:#b91c1c;font-size:12.5px;font-weight:600;margin-top:6px}
  .form-card .btn{width:100%;justify-content:center;margin-top:6px}
  .privacy{font-size:12.5px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.6}
  #audit-done{display:none;text-align:center;padding:20px 0}
  #audit-done .ok{width:64px;height:64px;border-radius:50%;background:#e6f7ef;color:var(--green);font-size:30px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
  #audit-done h3{margin-bottom:12px}
  #audit-done p{color:var(--muted);font-size:15.5px;line-height:1.7;margin-bottom:8px}
  #audit-done p strong{color:var(--ink)}
  .next-steps{text-align:left;background:var(--cream2);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-top:20px}
  .next-steps div{font-size:14.5px;padding:7px 0;color:var(--muted)}
  .next-steps div strong{color:var(--ink)}
  /* RESPONSIVE */
  @media (max-width:920px){
    .hero-grid{grid-template-columns:1fr;gap:40px}
    .dark-grid{grid-template-columns:1fr;gap:24px}
    .offer-grid{grid-template-columns:1fr}
    .work-grid{grid-template-columns:1fr}
    .case-grid{grid-template-columns:1fr}
    .case-card{grid-template-columns:1fr}
    .case-visual{min-height:180px}
    .steps{grid-template-columns:1fr}
    .founding{grid-template-columns:1fr;padding:34px 26px}
    .nav-links{display:none}
    h1{font-size:42px}
    h2{font-size:30px}
    .hero{padding:56px 0 52px}
    section{padding:56px 0}
    .dark{margin:0 10px;border-radius:22px}
    .final{margin:0 10px 64px;padding:52px 24px}
    .chat-card{max-width:520px}
    .foot-in{flex-direction:column;text-align:center}
    .audit-grid{grid-template-columns:1fr}
    .form-card{position:static;padding:28px 24px}
  }

/* Accessibility: skip link */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;font-weight:700;z-index:200}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}