/* ==========================================================
   NEXIUM | página de venda (campanhas)
   Grafite + dourado, as mesmas cores do sistema.
========================================================== */
:root{
  --bg:#0b0b0d;
  --bg-2:#111114;
  --surface:#16161a;
  --surface-2:#1d1d22;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --fg:#f3f1ec;
  --muted:#a7a39a;
  --subtle:#77736b;
  --gold:#d6ab5a;
  --gold-2:#f1d08b;
  --gold-soft:rgba(214,171,90,.12);
  --ok:#4ade80;
  --warn:#fbbf24;
  --wa:#25d366;
  --r:18px;
  --wrap:1180px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--fg);font-family:Inter,system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
h1,h2,h3{font-family:Sora,Inter,sans-serif;letter-spacing:-.025em;line-height:1.1}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

.nx-wrap{width:min(var(--wrap),calc(100% - 32px));margin:0 auto}

/* ---------- botões ---------- */
.nx-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;font-weight:700;font-size:.92rem;border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s}
.nx-btn:hover{transform:translateY(-2px)}
.nx-btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1408;box-shadow:0 12px 34px -12px rgba(214,171,90,.7)}
.nx-btn-ghost{border-color:var(--line-2);background:rgba(255,255,255,.03)}
.nx-btn-ghost:hover{border-color:var(--gold)}
.nx-btn-wa{background:var(--wa);color:#05210f}
.nx-btn-lg{min-height:54px;padding:0 26px;font-size:1rem}
.nx-btn[disabled]{opacity:.6;cursor:wait;transform:none}

.nx-eyebrow{display:inline-block;margin-bottom:14px;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}

/* ---------- topo ---------- */
.nx-header{position:sticky;top:0;z-index:50;background:rgba(11,11,13,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nx-nav{display:flex;align-items:center;gap:24px;min-height:68px}
.nx-brand{display:flex;align-items:center;gap:10px}
.nx-brand strong{display:block;font-family:Sora,sans-serif;font-size:1.05rem;letter-spacing:.16em}
.nx-brand small{display:block;font-size:.66rem;color:var(--subtle);letter-spacing:.04em}
.nx-links{display:none;gap:22px;margin-left:auto;font-size:.88rem;color:var(--muted)}
.nx-links a:hover{color:var(--fg)}
.nx-nav-cta{margin-left:auto;min-height:40px;padding:0 14px;font-size:.82rem}
@media(min-width:1024px){
  .nx-links{display:flex}
  .nx-nav-cta{margin-left:0}
}

/* ---------- hero ---------- */
.nx-hero{position:relative;padding:56px 0 64px;overflow:hidden;
  background:radial-gradient(60rem 30rem at 85% -10%,rgba(214,171,90,.16),transparent 60%),radial-gradient(40rem 30rem at -10% 110%,rgba(214,171,90,.07),transparent 60%)}
.nx-hero-grid{display:grid;gap:48px;align-items:center}
.nx-hero h1{font-size:clamp(2.2rem,7.5vw,4rem);font-weight:800;margin-bottom:18px}
.nx-hero h1 em{font-style:normal;color:transparent;background:linear-gradient(120deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text}
.nx-lead{font-size:1.08rem;color:var(--muted);max-width:560px;margin-bottom:28px}
.nx-lead-sm{color:var(--muted);margin:14px 0 20px}
.nx-hero-ctas{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.nx-hero-checks{list-style:none;display:grid;gap:8px;font-size:.9rem;color:var(--muted)}
.nx-hero-checks li::before,.nx-list li::before{content:"✓";display:inline-grid;place-items:center;width:20px;height:20px;margin-right:10px;border-radius:50%;background:var(--gold-soft);color:var(--gold);font-size:.72rem;font-weight:800}
@media(min-width:560px){.nx-hero-ctas{flex-direction:row}}
@media(min-width:1024px){
  .nx-hero{padding:88px 0 96px}
  .nx-hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
}

/* tela ilustrativa */
.nx-hero-visual{position:relative;padding-bottom:40px}
.nx-app{border:1px solid var(--line-2);border-radius:20px;background:linear-gradient(180deg,var(--surface-2),var(--surface));box-shadow:0 40px 120px -30px rgba(0,0,0,.8),0 0 0 1px rgba(214,171,90,.06);overflow:hidden}
.nx-app-bar{display:flex;align-items:center;gap:6px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:.72rem;color:var(--subtle)}
.nx-app-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.14)}
.nx-app-bar span{margin-left:8px}
.nx-app-body{padding:18px}
.nx-rings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}
.nx-ring{--p:50;position:relative;aspect-ratio:1;border-radius:50%;display:grid;place-content:center;text-align:center;
  background:radial-gradient(closest-side,var(--surface) 76%,transparent 78% 100%),conic-gradient(var(--gold) calc(var(--p)*1%),rgba(255,255,255,.08) 0)}
.nx-ring b{font-family:Sora,sans-serif;font-size:1.15rem;line-height:1}
.nx-ring small{font-size:.58rem;color:var(--muted)}
.nx-app-list{display:grid;gap:8px}
.nx-row{display:flex;align-items:center;gap:12px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02)}
.nx-row b{display:block;font-size:.82rem}
.nx-row small{display:block;font-size:.72rem;color:var(--muted)}
.nx-row-new{border-color:rgba(214,171,90,.4);background:var(--gold-soft)}
.nx-tag{flex-shrink:0;min-width:44px;padding:4px 8px;border-radius:8px;text-align:center;font-size:.66rem;font-weight:800;background:var(--gold);color:#1a1408}
.nx-tag-warn{background:rgba(251,191,36,.16);color:var(--warn)}
.nx-tag-ok{background:rgba(74,222,128,.14);color:var(--ok)}
.nx-wa-card{position:absolute;right:-6px;bottom:0;width:min(290px,78%);padding:14px 16px;border-radius:16px;border:1px solid rgba(37,211,102,.35);background:#0f1a14;box-shadow:0 24px 60px -20px rgba(0,0,0,.8);font-size:.8rem;animation:nxFloat 6s ease-in-out infinite}
.nx-wa-head{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:.7rem;color:#8fd9a8}
.nx-wa-dot{width:8px;height:8px;border-radius:50%;background:var(--wa)}
.nx-wa-card p{color:#d8efe0}
.nx-illus{margin-top:10px;font-size:.68rem;color:var(--subtle)}
.nx-hero-visual>.nx-illus{position:absolute;left:0;bottom:6px;margin:0}
@keyframes nxFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ---------- prova ---------- */
.nx-proof{border-block:1px solid var(--line);background:var(--bg-2);padding:28px 0}
.nx-proof-title{text-align:center;font-size:.8rem;color:var(--subtle);letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}
.nx-proof-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;text-align:center}
.nx-proof-grid b{display:block;font-family:Sora,sans-serif;font-size:2rem;color:var(--gold-2)}
.nx-proof-grid span{font-size:.82rem;color:var(--muted)}
@media(min-width:768px){.nx-proof-grid{grid-template-columns:repeat(4,1fr)}}

/* ---------- seções ---------- */
.nx-sec{padding:72px 0}
.nx-sec-alt{background:var(--bg-2);border-block:1px solid var(--line)}
.nx-sec h2{font-size:clamp(1.7rem,5vw,2.6rem);font-weight:800}
.nx-head{max-width:720px;margin-bottom:40px}
.nx-head p{color:var(--muted);margin-top:12px}
.nx-split{display:grid;gap:32px}
@media(min-width:900px){
  .nx-sec{padding:100px 0}
  .nx-split{grid-template-columns:.9fr 1.1fr;gap:56px}
  .nx-split-center{align-items:center}
}

/* problema */
.nx-pains{display:grid;gap:12px}
.nx-pain{padding:20px 22px;border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:14px;background:var(--surface)}
.nx-pain b{display:block;margin-bottom:4px}
.nx-pain p{color:var(--muted);font-size:.93rem}

/* passos */
.nx-steps{list-style:none;display:grid;gap:14px;counter-reset:s}
.nx-steps li{position:relative;padding:24px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.nx-steps span{display:grid;place-items:center;width:36px;height:36px;margin-bottom:14px;border-radius:10px;background:var(--gold-soft);color:var(--gold);font-family:Sora,sans-serif;font-weight:800}
.nx-steps b{display:block;font-family:Sora,sans-serif;margin-bottom:6px}
.nx-steps p{color:var(--muted);font-size:.9rem}
@media(min-width:768px){.nx-steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.nx-steps{grid-template-columns:repeat(4,1fr)}}

/* funções */
.nx-features{display:grid;gap:14px}
.nx-features article{padding:24px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);transition:border-color .3s,transform .3s var(--ease)}
.nx-features article:hover{border-color:rgba(214,171,90,.45);transform:translateY(-3px)}
.nx-ico{display:grid;place-items:center;width:42px;height:42px;margin-bottom:14px;border-radius:12px;background:var(--gold-soft);color:var(--gold);font-style:normal;font-size:1.15rem}
.nx-features h3{font-size:1.05rem;margin-bottom:6px}
.nx-features p{color:var(--muted);font-size:.9rem}
@media(min-width:680px){.nx-features{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.nx-features{grid-template-columns:repeat(3,1fr)}}

/* automações */
.nx-flows{display:grid;gap:12px}
.nx-flow{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:baseline;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.nx-when,.nx-then{font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.nx-when{color:var(--subtle)}
.nx-then{color:var(--gold)}
.nx-flow b{font-weight:600;font-size:.94rem}
.nx-arrow{display:none}
@media(min-width:900px){
  .nx-flows{grid-template-columns:repeat(2,1fr)}
}

/* IA */
.nx-list{list-style:none;display:grid;gap:10px;color:var(--fg);font-size:.95rem}
.nx-chat{display:flex;flex-direction:column;gap:12px;padding:22px;border:1px solid var(--line-2);border-radius:22px;background:var(--surface)}
.nx-msg{max-width:88%;padding:13px 16px;border-radius:16px;font-size:.9rem}
.nx-msg-me{align-self:flex-end;background:var(--surface-2);border:1px solid var(--line);border-bottom-right-radius:4px}
.nx-msg-ai{align-self:flex-start;background:var(--gold-soft);border:1px solid rgba(214,171,90,.3);border-bottom-left-radius:4px}
.nx-msg-ai sup{color:var(--gold);font-weight:800}
.nx-src{display:block;margin-top:8px;font-size:.74rem;color:var(--muted)}
.nx-badge{display:inline-block;margin-top:8px;padding:3px 9px;border-radius:999px;background:rgba(74,222,128,.14);color:var(--ok);font-size:.68rem;font-weight:800}
.nx-msg-refuse{background:rgba(255,255,255,.04);border-color:var(--line-2)}

/* evolução */
.nx-road{display:grid;gap:14px}
.nx-road-card{padding:22px;border:1px dashed var(--line-2);border-radius:var(--r);background:transparent}
.nx-road-card.is-live{border-style:solid;border-color:rgba(74,222,128,.3);background:var(--surface)}
.nx-road-card h3{font-size:1.02rem;margin:12px 0 6px}
.nx-road-card p{color:var(--muted);font-size:.9rem}
.nx-pill{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--gold-soft);color:var(--gold)}
.nx-pill-live{background:rgba(74,222,128,.14);color:var(--ok)}
@media(min-width:680px){.nx-road{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.nx-road{grid-template-columns:repeat(3,1fr)}}

/* segurança */
.nx-sec-grid{display:grid;gap:14px}
.nx-sec-grid div{padding:22px;border-top:2px solid var(--gold);background:var(--surface);border-radius:0 0 14px 14px}
.nx-sec-grid b{display:block;margin-bottom:6px;font-family:Sora,sans-serif}
.nx-sec-grid p{color:var(--muted);font-size:.9rem}
@media(min-width:680px){.nx-sec-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.nx-sec-grid{grid-template-columns:repeat(4,1fr)}}

/* planos */
.nx-plans{display:grid;gap:16px}
.nx-plan{position:relative;display:flex;flex-direction:column;padding:28px 24px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}
.nx-plan h3{font-size:1.4rem}
.nx-plan-for{color:var(--muted);font-size:.9rem;margin:6px 0 18px}
.nx-plan ul{list-style:none;display:grid;gap:9px;margin-bottom:24px;font-size:.92rem}
.nx-plan li::before{content:"✓";color:var(--gold);font-weight:800;margin-right:9px}
.nx-plan .nx-btn{margin-top:auto}
.nx-plan-hi{border-color:rgba(214,171,90,.55);background:linear-gradient(180deg,rgba(214,171,90,.1),var(--surface) 40%);box-shadow:0 30px 80px -40px rgba(214,171,90,.5)}
.nx-plan-flag{position:absolute;top:-12px;left:24px;padding:4px 12px;border-radius:999px;background:var(--gold);color:#1a1408;font-size:.7rem;font-weight:800}
@media(min-width:900px){.nx-plans{grid-template-columns:repeat(3,1fr)}}

/* dúvidas */
.nx-faq-wrap{max-width:860px}
.nx-faq{display:grid;gap:10px}
.nx-faq details{border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.nx-faq details[open]{border-color:rgba(214,171,90,.4)}
.nx-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;padding:18px 20px;font-weight:600}
.nx-faq summary::-webkit-details-marker{display:none}
.nx-faq summary::after{content:"+";color:var(--gold);font-size:1.2rem;line-height:1;transition:transform .25s}
.nx-faq details[open] summary::after{transform:rotate(45deg)}
.nx-faq p{padding:0 20px 18px;color:var(--muted);font-size:.93rem}

/* demonstração */
.nx-cta-sec{background:radial-gradient(50rem 26rem at 90% 10%,rgba(214,171,90,.14),transparent 60%),var(--bg-2);border-top:1px solid var(--line)}
.nx-form{display:grid;gap:12px;padding:26px;border:1px solid var(--line-2);border-radius:22px;background:var(--surface);box-shadow:0 30px 90px -40px rgba(0,0,0,.9)}
.nx-form label{display:grid;gap:6px;font-size:.8rem;font-weight:600;color:var(--muted)}
.nx-form input,.nx-form select{width:100%;padding:13px 14px;border-radius:11px;border:1px solid var(--line-2);background:var(--bg);color:var(--fg);font-size:.95rem}
.nx-form select option{background:var(--bg)}
.nx-form input:focus,.nx-form select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(214,171,90,.18)}
.nx-form .invalido{border-color:#f87171}
.nx-hp{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important}
.nx-status{min-height:1.2em;font-size:.88rem}
.nx-status.ok{color:var(--ok)}
.nx-status.erro{color:#fca5a5}
.nx-privacy{font-size:.74rem;color:var(--subtle)}
@media(min-width:640px){
  .nx-form{grid-template-columns:1fr 1fr;padding:32px}
  .nx-full{grid-column:1 / -1}
}

/* rodapé */
.nx-footer{padding:36px 0 110px;border-top:1px solid var(--line)}
.nx-footer-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.nx-footer p{font-size:.82rem;color:var(--subtle)}
.nx-footer p a{color:var(--gold)}
@media(min-width:900px){.nx-footer{padding-bottom:36px}}

/* barra fixa no celular */
.nx-sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr auto;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(11,11,13,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);transition:transform .3s var(--ease)}
.nx-sticky.escondida{transform:translateY(110%)}
@media(min-width:900px){.nx-sticky{display:none}}

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

/* topo no celular: marca e botão numa linha só */
@media(max-width:479px){
  .nx-brand small{display:none}
  .nx-nav{gap:12px}
  .nx-nav-cta{white-space:nowrap;font-size:.78rem;padding:0 12px}
}

/* logo oficial */
.nx-logo{height:29px;width:auto}
.nx-brand small{padding-left:12px;border-left:1px solid var(--line-2);line-height:1.2}
@media(max-width:479px){.nx-logo{height:24px}}

/* ==========================================================
   Ajustes 28/09: menu centralizado e topo sem quebra de linha
========================================================== */
.nx-nav{justify-content:space-between}
.nx-nav-cta{white-space:nowrap;flex-shrink:0}
.nx-brand{flex-shrink:0;white-space:nowrap}
/* abaixo do computador: só logo + botão, sem a assinatura */
@media(max-width:1023px){
  .nx-brand small{display:none}
  .nx-nav-cta{margin-left:0}
}
@media(max-width:379px){
  .nx-nav-cta{font-size:.74rem;padding:0 10px}
  .nx-logo{height:21px}
}
/* computador: marca | menu no centro | botão */
@media(min-width:1024px){
  .nx-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:24px}
  .nx-brand{justify-self:start}
  .nx-links{margin-left:0;justify-self:center}
  .nx-nav-cta{justify-self:end}
}
@media(min-width:1024px) and (max-width:1180px){
  .nx-brand small{display:none}
  .nx-links{gap:16px}
}

/* migração: sistemas de origem */
.nx-sistemas{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.nx-sistemas li{padding:4px 10px;border:1px solid var(--line-2);border-radius:999px;font-size:.72rem;font-weight:600;color:var(--fg);background:rgba(255,255,255,.03)}