:root{
  --bg:#f4f7ff;--bg2:#ffffff;
  --surface:#edf1ff;--surface2:#e0e8ff;
  --blue:#1a56db;--blue-dark:#1240a8;--blue-light:#4d7ef7;
  --blue-border:rgba(26,86,219,0.18);--blue-glow:rgba(26,86,219,0.12);
  --cyan:#06b6d4;--cyan-bg:rgba(6,182,212,0.07);--cyan-border:rgba(6,182,212,0.2);
  --text:#080e1e;--text2:#2e3a5c;--muted:#6272a0;
  --mono: var(--font-mono);--sans: var(--font-product);
  --green:#059669;--green-bg:#ecfdf5;
}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.6;overflow-x:hidden}
body::after{content:'';position:fixed;inset:0;background-image:linear-gradient(rgba(26,86,219,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(26,86,219,0.03) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:0}

/* NAV — idêntico ao site */
nav{position:fixed;top:0;left:0;right:0;z-index:200;padding:0 3rem;height:64px;display:flex;align-items:center;justify-content:space-between;background:rgba(244,247,255,0.88);backdrop-filter:blur(20px);border-bottom:1px solid var(--blue-border)}
.logo{font-family:var(--mono);font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none;letter-spacing:-.03em;display:flex;align-items:center;gap:.5rem}
.logo .sol{color:var(--blue)}.logo .uthe{color:var(--text)}
.logo-dot{width:6px;height:6px;background:var(--cyan);border-radius:50%;animation:blink 2.5s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-link{font-size:.85rem;color:var(--muted);text-decoration:none;transition:color .2s}
.nav-link:hover{color:var(--blue)}
.nav-pill{font-family:var(--mono);font-size:.65rem;font-weight:700;color:var(--blue);background:var(--surface);border:1px solid var(--blue-border);padding:.25rem .6rem;border-radius:4px;letter-spacing:.04em}
.btn-nav{background:var(--blue);color:#fff;border:none;padding:.55rem 1.4rem;font-family:var(--sans);font-size:.85rem;font-weight:600;cursor:pointer;text-decoration:none;border-radius:6px;transition:all .2s;box-shadow:0 2px 12px rgba(26,86,219,.25)}
.btn-nav:hover{background:var(--blue-dark);transform:translateY(-1px)}

/* HERO */
.hero{min-height:80vh;display:flex;flex-direction:column;justify-content:center;padding:8rem 3rem 5rem;max-width:1160px;margin:0 auto;position:relative;z-index:1}
.hero-glow{position:absolute;width:700px;height:400px;background:radial-gradient(ellipse,rgba(26,86,219,.13) 0%,transparent 70%);top:-100px;left:-100px;pointer-events:none}
.section-tag{font-family:var(--mono);font-size:.68rem;color:var(--blue);letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem}
.section-tag::before{content:'//';color:var(--muted);font-weight:400}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);font-weight:700;line-height:1.06;letter-spacing:-.04em;margin-bottom:1.5rem}
.hero h1 .blue{color:var(--blue)}
.hero h1 .cyan{color:var(--cyan)}
.hero-desc{font-size:1.05rem;color:var(--text2);max-width:560px;margin-bottom:2.5rem;line-height:1.7}
.hero-actions{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;margin-bottom:4rem}
.btn-primary{background:var(--blue);color:#fff;border:none;padding:.9rem 2rem;font-family:var(--sans);font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none;border-radius:8px;transition:all .2s;box-shadow:0 4px 20px rgba(26,86,219,.3)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 8px 32px rgba(26,86,219,.4)}
.btn-ghost{color:var(--blue);font-size:.95rem;font-weight:500;text-decoration:none;display:flex;align-items:center;gap:.4rem;transition:gap .2s;font-family:var(--sans)}
.btn-ghost:hover{gap:.7rem}
.hero-stats{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--blue-border);padding-top:2rem;gap:0}
.stat{padding:1rem 1.5rem;border-right:1px solid var(--blue-border)}
.stat:first-child{padding-left:0}
.stat:last-child{border-right:none}
.stat-n{font-family:var(--mono);font-size:1.8rem;font-weight:700;color:var(--blue);letter-spacing:-.04em;line-height:1}
.stat-l{font-size:.72rem;color:var(--muted);margin-top:.35rem;line-height:1.4;font-family:var(--mono)}

/* TERMINAL HERO */
.hero-terminal{background:#060d24;border:1px solid rgba(26,86,219,.25);border-radius:12px;overflow:hidden;font-family:var(--mono);font-size:12.5px;max-width:580px;margin-bottom:3rem}
.tbar{background:#0d1535;padding:10px 14px;display:flex;align-items:center;gap:7px;border-bottom:1px solid rgba(26,86,219,.2)}
.dot{width:10px;height:10px;border-radius:50%}
.tbody{padding:18px 22px;line-height:1.85}
.tc{color:#4a5a8a}.tk{color:#79c0ff}.ts{color:#a5d6ff}.tv{color:#ffa657}.tb{color:#ff7b72}.tok{color:#3fb950}

/* SEÇÃO */
.section{padding:6rem 3rem;position:relative;z-index:1}
.section-inner{max-width:1160px;margin:0 auto}
h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:700;letter-spacing:-.04em;margin-bottom:.75rem;line-height:1.15}
.section-sub{font-size:1rem;color:var(--text2);max-width:500px;margin-bottom:3rem;line-height:1.7}

/* FLUXO (como funciona) */
.flow{display:flex;flex-direction:column}
.fstep{display:grid;grid-template-columns:48px 1fr;gap:0 20px}
.fstep-l{display:flex;flex-direction:column;align-items:center}
.fnum{width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--mono);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;z-index:1;border:2px solid var(--blue-border)}
.fnum.dark{background:var(--text)}
.fnum.ok{background:var(--green)}
.fline{width:2px;flex:1;min-height:16px;background:var(--blue-border)}
.fline.dash{background:repeating-linear-gradient(to bottom,var(--blue-border) 0,var(--blue-border) 4px,transparent 4px,transparent 8px)}
.fstep-r{padding-bottom:36px}
.ftag{font-size:.65rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-family:var(--mono);margin-bottom:5px}
.ftag.gray{color:var(--muted)}.ftag.ok{color:var(--green)}
.ftitle{font-size:1.05rem;font-weight:600;color:var(--text);letter-spacing:-.02em;margin-bottom:6px}
.fbody{font-size:.9rem;color:var(--text2);line-height:1.65;margin-bottom:10px}
.fbody code{font-family:var(--mono);font-size:.8rem;background:var(--surface);padding:1px 5px;border-radius:3px;color:var(--blue)}
.fpill{display:inline-block;font-family:var(--mono);font-size:.68rem;font-weight:600;padding:3px 9px;border-radius:4px;background:var(--surface);color:var(--blue);border:1px solid var(--blue-border)}
.fpill.gray{background:var(--bg2);color:var(--muted);border-color:var(--blue-border)}
.branch{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0 4px}
.bc{border:1px solid var(--blue-border);border-radius:10px;padding:14px 16px;background:var(--bg2)}
.bc.hi{border-color:var(--blue);background:var(--surface)}
.bc-tag{font-size:.63rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-family:var(--mono);margin-bottom:4px}
.bc-tag.blue{color:var(--blue)}
.bc-title{font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:3px}
.bc-body{font-size:.8rem;color:var(--muted);line-height:1.5}
.result-box{border:1px solid rgba(5,150,105,.25);border-radius:10px;padding:16px 18px;background:var(--green-bg);margin-top:10px}
.rb-tag{font-size:.63rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--green);font-family:var(--mono);margin-bottom:10px}
.rb-fields{display:flex;flex-wrap:wrap;gap:6px}
.rb-f{font-family:var(--mono);font-size:.7rem;padding:3px 8px;border-radius:4px;background:#dcfce7;color:#14532d;font-weight:600;border:1px solid rgba(5,150,105,.2)}

/* ENDPOINTS */
.endpoints{display:flex;flex-direction:column;border:1px solid var(--blue-border);border-radius:12px;overflow:hidden;background:var(--bg2)}
.ep{border-bottom:1px solid var(--blue-border);cursor:pointer;transition:background .12s}
.ep:last-child{border-bottom:none}
.ep:hover{background:var(--surface)}
.ep-h{display:flex;align-items:center;gap:12px;padding:16px 20px}
.badge{font-family:var(--mono);font-size:.7rem;font-weight:700;padding:3px 9px;border-radius:5px;min-width:44px;text-align:center;flex-shrink:0}
.get{background:#ecfdf5;color:#065f46}
.post{background:#fff7ed;color:#92400e}
.patch{background:#f0f9ff;color:#0369a1}
.ep-path{font-family:var(--mono);font-size:.82rem;font-weight:600;color:var(--text)}
.ep-label{font-size:.78rem;color:var(--muted);margin-left:auto;flex-shrink:0}
.ep-chev{color:var(--muted);font-size:13px;transition:transform .2s;margin-left:10px;flex-shrink:0}
.ep.open .ep-chev{transform:rotate(180deg)}
.ep-body{display:none;border-top:1px solid var(--blue-border);background:var(--surface);padding:20px}
.ep.open .ep-body{display:block}
.ep-desc{font-size:.85rem;color:var(--text2);margin-bottom:14px;line-height:1.6}
.pl{font-size:.63rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-family:var(--mono);margin-bottom:8px}
.params{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.param{display:grid;grid-template-columns:140px 70px 1fr;gap:10px;font-size:.8rem;align-items:baseline}
.pn{font-family:var(--mono);color:var(--text);font-weight:600}
.pt{color:var(--muted);font-style:italic}
.pi{color:var(--text2)}
.pi code{font-family:var(--mono);font-size:.72rem;background:var(--bg2);padding:1px 4px;border-radius:3px}
.cb{background:#060d24;border-radius:8px;padding:14px 18px;font-family:var(--mono);font-size:.78rem;line-height:1.75;overflow-x:auto;border:1px solid rgba(26,86,219,.15)}

/* FORMULÁRIO */
.form-section{background:#060d24;border-radius:16px;padding:52px 48px;max-width:660px;border:1px solid rgba(26,86,219,.2)}
.form-section .section-tag{color:rgba(77,126,247,.8)}
.form-section .section-tag::before{color:rgba(98,114,160,.5)}
.form-section h2{color:#f1f5f9}
.form-section .section-sub{color:rgba(255,255,255,.45);max-width:100%}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fg{margin-bottom:16px}
.fl{display:block;font-size:.75rem;color:rgba(255,255,255,.35);margin-bottom:6px;font-weight:600;font-family:var(--mono);letter-spacing:.04em;text-transform:uppercase}
.fi{width:100%;background:#0d1535;border:1px solid rgba(26,86,219,.25);border-radius:8px;padding:10px 13px;font-size:.88rem;color:#f1f5f9;font-family:var(--sans);outline:none;transition:border-color .15s}
.fi:focus{border-color:var(--blue)}
.fi::placeholder{color:rgba(98,114,160,.5)}
textarea.fi{resize:vertical;min-height:80px}
.form-hint{font-size:.72rem;color:rgba(98,114,160,.6);margin-top:5px;font-family:var(--mono)}
.btn-submit{width:100%;background:var(--blue);color:#fff;border:none;font-size:.95rem;font-weight:600;padding:13px;border-radius:8px;cursor:pointer;font-family:var(--sans);margin-top:6px;transition:all .2s;box-shadow:0 4px 20px rgba(26,86,219,.35)}
.btn-submit:hover{background:var(--blue-dark);transform:translateY(-1px)}
.ok-msg{display:none;text-align:center;padding:40px 0}
.ok-icon{width:52px;height:52px;background:rgba(5,150,105,.15);border:1px solid rgba(5,150,105,.3);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:22px;color:var(--green)}
.ok-msg h3{font-size:1.25rem;font-weight:600;color:#f1f5f9;margin-bottom:8px}
.ok-msg p{color:rgba(255,255,255,.4);font-size:.85rem;line-height:1.6}

/* CHAT WIDGET */
#chat-btn{position:fixed;bottom:2rem;right:2rem;z-index:500;width:52px;height:52px;background:var(--blue);border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(26,86,219,.4);transition:all .2s}
#chat-btn:hover{background:var(--blue-dark);transform:scale(1.05)}
#chat-btn svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#chat-btn::before{content:'Assistente fiscal';position:absolute;right:62px;background:var(--text);color:#fff;font-family:var(--sans);font-size:.72rem;font-weight:500;padding:.35rem .75rem;border-radius:6px;white-space:nowrap;opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s;pointer-events:none}
#chat-btn:hover::before{opacity:1;transform:translateX(0)}
#chat-box{position:fixed;bottom:92px;right:2rem;width:380px;max-height:560px;background:var(--bg2);border:1px solid var(--blue-border);border-radius:16px;display:none;flex-direction:column;z-index:499;overflow:hidden;box-shadow:0 20px 60px rgba(26,86,219,.15)}
#chat-box.open{display:flex}
#chat-head{background:#060d24;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(26,86,219,.2)}
#chat-head-info{display:flex;align-items:center;gap:10px}
#chat-avatar{width:32px;height:32px;background:var(--blue);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.7rem;color:#fff;font-weight:700;flex-shrink:0}
#chat-head-title{font-size:.82rem;font-weight:600;color:#f1f5f9;font-family:var(--mono)}
#chat-head-sub{font-size:.68rem;color:rgba(98,114,160,.7);margin-top:1px;font-family:var(--mono)}
#chat-close{background:none;border:none;color:rgba(98,114,160,.6);cursor:pointer;font-size:18px;line-height:1;padding:4px;transition:color .15s}
#chat-close:hover{color:#94a3b8}
#chat-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;min-height:200px;max-height:360px;background:var(--bg)}
.msg{max-width:85%;padding:10px 13px;border-radius:12px;font-size:.83rem;line-height:1.55}
.msg-user{background:var(--blue);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.msg-bot{background:var(--bg2);color:var(--text2);align-self:flex-start;border-bottom-left-radius:3px;border:1px solid var(--blue-border)}
.msg-bot code{font-family:var(--mono);font-size:.73rem;background:var(--surface);padding:1px 5px;border-radius:3px;color:var(--blue)}
.msg-bot pre{background:#060d24;color:#e2e8f0;padding:10px 12px;border-radius:6px;font-family:var(--mono);font-size:.73rem;overflow-x:auto;margin:6px 0;border:1px solid rgba(26,86,219,.2)}
.msg-typing{display:flex;align-items:center;gap:4px;padding:12px 14px}
.typing-dot{width:6px;height:6px;background:var(--muted);border-radius:50%;animation:bounce .9s infinite}
.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-5px)}}
.msg-suggestions{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.suggestion{background:var(--surface);color:var(--blue);border:1px solid var(--blue-border);border-radius:6px;padding:4px 9px;font-size:.72rem;font-weight:500;cursor:pointer;transition:background .12s;font-family:var(--mono)}
.suggestion:hover{background:var(--surface2)}
#chat-footer{padding:10px 12px;border-top:1px solid var(--blue-border);display:flex;gap:8px;align-items:flex-end;background:var(--bg2)}
#chat-input{flex:1;border:1px solid var(--blue-border);border-radius:8px;padding:8px 11px;font-size:.83rem;font-family:var(--sans);resize:none;outline:none;max-height:96px;line-height:1.5;transition:border-color .15s;color:var(--text);background:var(--bg)}
#chat-input:focus{border-color:var(--blue)}
#chat-send{background:var(--blue);border:none;border-radius:8px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background .15s}
#chat-send:hover{background:var(--blue-dark)}
#chat-send svg{width:15px;height:15px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* FOOTER — idêntico ao site */
footer{background:#060d24;border-top:1px solid rgba(26,86,219,.12);padding:2rem 3rem;display:flex;align-items:center;justify-content:space-between;z-index:1;position:relative}
.footer-logo{font-family:var(--mono);font-weight:700;font-size:1rem;color:rgba(255,255,255,.6);text-decoration:none;letter-spacing:-.03em}
.footer-logo .sol{color:var(--blue-light)}
.footer-center{text-align:center}
.footer-center p{font-size:.72rem;color:rgba(255,255,255,.2);font-family:var(--mono);line-height:1.7}
.footer-right{font-family:var(--mono);font-size:.72rem;color:rgba(255,255,255,.25)}

/* FADE */
.fade-up{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:960px){
  nav{padding:0 1.5rem}
  .hero,.section{padding-left:1.5rem;padding-right:1.5rem}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3){border-right:none}
  .stat:nth-child(4),.stat:nth-child(5){border-top:1px solid var(--blue-border)}
  .branch{grid-template-columns:1fr}
  footer{flex-direction:column;gap:.75rem;text-align:center;padding:1.5rem}
}
@media(max-width:640px){
  .hero h1{font-size:2rem}
  .nav-links .nav-link{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(5){display:none}
  #chat-box{width:calc(100vw - 2rem);right:1rem;bottom:76px}
  #chat-btn{bottom:1rem;right:1rem}
  .row2{grid-template-columns:1fr}
  .form-section{padding:32px 20px}
  .param{grid-template-columns:1fr;gap:2px}
}