/* MTec IA — estilos globais */
:root{
  --azul:#0b5cab; --azul-escuro:#0b3a63; --azul-hover:#08447e;
  --verde:#0e9f6e; --verde-hover:#0b8259;
  --ink:#10222f; --texto:#44586a; --texto-suave:#5a6d7d; --cinza:#7c8ea0;
  --bg:#f6f8fa; --borda:#e3e9ee; --borda-clara:#e8edf2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans',system-ui,sans-serif}
a{color:var(--azul);text-decoration:none}
a:hover{color:var(--azul-hover)}
h1,h2,h3{font-family:Sora,sans-serif}
.container{max-width:1180px;margin:0 auto;padding:0 28px}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--borda)}
.site-header .container{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header img{height:44px;display:block}
.site-nav{display:flex;align-items:center;gap:26px;font-size:14.5px;font-weight:500}
.site-nav a{color:#3b5163}
.site-nav a:hover{color:var(--azul)}
.btn{display:inline-block;padding:14px 26px;border-radius:9px;font-weight:600;font-size:15.5px;cursor:pointer;border:none;font-family:inherit}
.btn-azul{background:var(--azul);color:#fff !important}
.btn-azul:hover{background:var(--azul-hover);color:#fff !important}
.btn-verde{background:var(--verde);color:#fff !important}
.btn-verde:hover{background:var(--verde-hover);color:#fff !important}
.btn-borda{background:#fff;color:var(--ink);border:1px solid #cfd9e2}
.btn-borda:hover{border-color:var(--azul);color:var(--azul)}
.site-nav .btn{padding:10px 20px;font-size:14.5px}

/* Hero */
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--borda-clara)}
.hero .container{padding-top:160px;padding-bottom:96px;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero-col{display:flex;flex-direction:column;gap:22px}
.eyebrow-pill{display:inline-flex;align-self:flex-start;gap:8px;background:#e8f1fa;color:var(--azul);font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:7px 14px;border-radius:999px}
.hero h1{margin:0;font-size:52px;line-height:1.12;font-weight:700;letter-spacing:-.02em;text-wrap:balance}
.hero-sub{margin:0;font-size:18.5px;line-height:1.6;color:var(--texto);max-width:54ch;text-wrap:pretty}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:14px;font-size:13.5px;color:var(--texto-suave);font-weight:500}
.hero-badges span{display:flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--verde);display:inline-block}

/* Chat demo */
.chat-card{background:#fff;border:1px solid #e0e8ee;border-radius:16px;box-shadow:0 18px 50px -18px rgba(16,52,84,.22);overflow:hidden;max-width:430px;margin-left:auto}
.chat-head{background:var(--azul-escuro);color:#fff;padding:14px 18px;display:flex;align-items:center;gap:12px}
.chat-avatar{width:38px;height:38px;border-radius:50%;background:var(--verde);display:flex;align-items:center;justify-content:center;font-family:Sora,sans-serif;font-weight:700;font-size:15px}
.chat-head .nome{font-weight:600;font-size:14.5px}
.chat-head .status{font-size:12px;opacity:.75;display:flex;align-items:center;gap:6px}
.chat-head .status::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ade80}
.chat-msgs{height:330px;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:10px;background:#f2f6f9}
.msg-bot{align-self:flex-start;max-width:85%;background:#fff;border:1px solid #e2e9ef;border-radius:12px 12px 12px 4px;padding:10px 14px;font-size:14px;line-height:1.5;color:#22384a;white-space:pre-line}
.msg-user{align-self:flex-end;max-width:85%;background:var(--azul);color:#fff;border-radius:12px 12px 4px 12px;padding:10px 14px;font-size:14px;line-height:1.5}
.typing{align-self:flex-start;background:#fff;border:1px solid #e2e9ef;border-radius:12px 12px 12px 4px;padding:12px 16px;display:flex;gap:5px}
.typing span{width:7px;height:7px;border-radius:50%;background:#8aa0b2;animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}
.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.chat-chips{padding:10px 14px;display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid #eef2f6;background:#fff}
.chat-chips button{background:#eef4fa;color:var(--azul);border:1px solid #d7e4f0;border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit}
.chat-chips button:hover{background:#dcebf8}
.chat-input{display:flex;gap:10px;padding:12px 14px;background:#fff;border-top:1px solid #eef2f6}
.chat-input input{flex:1;border:1px solid #d3dde5;border-radius:9px;padding:11px 14px;font-size:14px;font-family:inherit;outline:none;color:var(--ink)}
.chat-input button{background:var(--verde);color:#fff;border:none;border-radius:9px;padding:0 18px;font-weight:600;font-size:14px;cursor:pointer;font-family:inherit}
.chat-input button:hover{background:var(--verde-hover)}
.chat-legenda{text-align:center;font-size:12px;color:var(--cinza);margin:12px 0 0}

/* Faixa de números */
.stats{background:var(--azul-escuro);color:#fff}
.stats .container{padding-top:44px;padding-bottom:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stats .num{font-family:Sora,sans-serif;font-size:34px;font-weight:700}
.stats .rotulo{font-size:13.5px;opacity:.75;margin-top:4px}

/* Seções */
section{scroll-margin-top:80px}
.secao .container{padding-top:96px;padding-bottom:96px}
.secao-intro{max-width:640px;margin-bottom:52px}
.eyebrow{color:var(--verde);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.secao h2{margin:0 0 14px;font-size:36px;font-weight:700;letter-spacing:-.01em}
.secao-intro p{margin:0;font-size:16.5px;line-height:1.6;color:var(--texto)}
.bg-branco{background:#fff;border-top:1px solid var(--borda-clara);border-bottom:1px solid var(--borda-clara)}

/* Cards de soluções */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--borda);border-radius:14px;padding:30px;transition:border-color .2s,box-shadow .2s}
.card:hover{border-color:var(--azul);box-shadow:0 10px 30px -14px rgba(16,52,84,.18)}
.card .icone-num{width:44px;height:44px;border-radius:10px;background:#e8f1fa;color:var(--azul);display:flex;align-items:center;justify-content:center;font-family:Sora,sans-serif;font-weight:700;font-size:18px;margin-bottom:18px}
.card h3{margin:0 0 8px;font-size:19px;font-weight:600}
.card p{margin:0;font-size:14.5px;line-height:1.6;color:var(--texto)}

/* Produtos */
.grid-produtos{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}
.produto-destaque{background:linear-gradient(135deg,var(--azul-escuro),var(--azul));border-radius:16px;padding:38px;color:#fff;display:flex;flex-direction:column;gap:16px}
.tag{align-self:flex-start;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.tag-claro{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25)}
.tag-azul{background:#eef4fa;color:var(--azul);font-size:11.5px}
.produto-destaque h3{margin:0;font-size:30px;font-weight:700}
.produto-destaque p{margin:0;font-size:15.5px;line-height:1.65;opacity:.9}
.lista-check{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;font-size:14.5px}
.lista-check li{display:flex;gap:10px;align-items:baseline}
.lista-check .ck{color:#5eead4;font-weight:700}
.btn-branco{align-self:flex-start;margin-top:8px;background:#fff;color:var(--azul-escuro);padding:12px 24px;border-radius:9px;font-weight:600;font-size:14.5px}
.btn-branco:hover{background:#e8f1fa;color:var(--azul-escuro)}
.coluna-produtos{display:flex;flex-direction:column;gap:22px}
.produto-futuro{flex:1;background:var(--bg);border:1px dashed #c9d5df;border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:8px}
.produto-futuro h3{margin:6px 0 0;font-size:19px;font-weight:600}
.produto-futuro p{margin:0;font-size:14px;line-height:1.6;color:var(--texto)}

/* WhatsApp / passos */
.grid-meio{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.grid-meio > div > p{font-size:16.5px;line-height:1.65;color:var(--texto)}
.lista-check-verde{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px;font-size:15px;color:#22384a}
.lista-check-verde li{display:flex;gap:12px;align-items:baseline}
.lista-check-verde .ck{color:var(--verde);font-weight:700}
.passos-card{background:#fff;border:1px solid var(--borda);border-radius:16px;padding:34px}
.passos-card h3{margin:0 0 24px;font-size:18px;font-weight:600}
.passo{display:flex;gap:18px}
.passo-trilha{display:flex;flex-direction:column;align-items:center}
.passo-num{width:34px;height:34px;border-radius:50%;background:var(--azul);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-family:Sora,sans-serif;flex-shrink:0}
.passo-num.verde{background:var(--verde)}
.passo-linha{width:2px;flex:1;background:#dfe7ee}
.passo-texto{padding-bottom:22px}
.passo-texto .titulo{font-weight:600;font-size:15px}
.passo-texto .desc{font-size:14px;color:var(--texto);line-height:1.55}

/* API (dark) */
.api{background:#0e1b26;color:#fff}
.api .eyebrow{color:#5eead4}
.api p{color:#a9bccb}
.api .lista-check-verde{color:#dbe6ee}
.api .lista-check-verde .ck{color:#5eead4}
.terminal{background:#122636;border:1px solid #1f3a4f;border-radius:14px;overflow:hidden}
.terminal-bar{display:flex;align-items:center;gap:8px;padding:13px 18px;border-bottom:1px solid #1f3a4f}
.terminal-bar i{width:11px;height:11px;border-radius:50%;display:inline-block}
.terminal-bar .r{background:#ff5f57}.terminal-bar .y{background:#febc2e}.terminal-bar .g{background:#28c840}
.terminal-bar code{margin-left:10px;font-size:12px;color:#7c96a8}
.terminal pre{margin:0;padding:22px 24px;font-family:ui-monospace,Menlo,monospace;font-size:13px;line-height:1.65;color:#9fd3bd;overflow-x:auto}

/* Segurança */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card-seg{border:1px solid var(--borda);border-radius:14px;padding:26px;background:#f9fbfc}
.card-seg .titulo{font-family:Sora,sans-serif;font-weight:700;font-size:15px;color:var(--azul);margin-bottom:10px}
.card-seg p{margin:0;font-size:14px;line-height:1.6;color:var(--texto)}
.nota-legal{margin:28px 0 0;font-size:14px;color:var(--texto-suave)}

/* Sobre */
.grid-sobre{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.grid-sobre p{font-size:16px;line-height:1.7;color:var(--texto);text-wrap:pretty}
.ficha{background:#fff;border:1px solid var(--borda);border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:18px}
.ficha h3{margin:0;font-size:17px;font-weight:600}
.ficha dl{margin:0;display:flex;flex-direction:column;gap:14px;font-size:14.5px;line-height:1.55;color:#22384a}
.ficha dt{font-size:12px;font-weight:600;color:var(--cinza);text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px}
.ficha dd{margin:0}

/* CTA final */
.cta-final{background:linear-gradient(135deg,var(--azul-escuro),var(--azul));color:#fff}
.cta-final .container{padding-top:88px;padding-bottom:88px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px}
.cta-final h2{margin:0;font-size:38px;font-weight:700;letter-spacing:-.01em;max-width:20ch;text-wrap:balance}
.cta-final p{margin:0;font-size:17px;line-height:1.6;opacity:.85;max-width:52ch}
.cta-final .btn-ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff}
.cta-final .btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}

/* Footer */
.site-footer{background:#0e1b26;color:#8fa5b5}
.site-footer .container{padding-top:52px;padding-bottom:40px;display:flex;flex-direction:column;gap:28px}
.footer-topo{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;flex-wrap:wrap}
.footer-marca{max-width:340px}
.footer-marca img{height:40px;display:block;filter:invert(1) brightness(1.6);margin-bottom:14px}
.footer-marca p{margin:0;font-size:13.5px;line-height:1.6}
.footer-colunas{display:flex;gap:56px;flex-wrap:wrap}
.footer-col{display:flex;flex-direction:column;gap:9px;font-size:13.5px}
.footer-col .titulo{color:#fff;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.footer-col a{color:#8fa5b5}
.footer-col a:hover{color:#fff}
.footer-base{border-top:1px solid #1f3a4f;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px}

/* Botão WhatsApp flutuante */
.zap-fab{position:fixed;right:26px;bottom:26px;z-index:60;width:56px;height:56px;border-radius:50%;background:var(--verde);color:#fff;display:flex;align-items:center;justify-content:center;font-family:Sora,sans-serif;font-weight:700;font-size:13px;box-shadow:0 10px 26px -8px rgba(14,159,110,.6)}
.zap-fab:hover{background:var(--verde-hover);color:#fff}

/* Páginas legais */
.pagina-legal{max-width:860px;margin:0 auto;padding:64px 28px 96px;line-height:1.7;font-size:15.5px;color:#22384a}
.pagina-legal h1{font-size:34px;font-weight:700;margin:0 0 8px;color:var(--ink)}
.pagina-legal .meta{color:var(--cinza);font-size:13.5px;margin:0 0 40px}
.pagina-legal h2{font-size:20px;margin:36px 0 10px}
.pagina-legal p{margin:0 0 10px}
.header-legal{background:#fff;border-bottom:1px solid var(--borda)}
.header-legal .container{max-width:860px;height:68px;display:flex;align-items:center;justify-content:space-between}
.header-legal img{height:40px;display:block}
.footer-legal{border-top:1px solid var(--borda);background:#fff}
.footer-legal .container{max-width:860px;padding-top:22px;padding-bottom:22px;font-size:12.5px;color:var(--cinza);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* Responsivo */
@media (max-width: 960px){
  .site-nav a:not(.btn){display:none}
  .hero .container,.grid-meio,.grid-sobre,.grid-produtos{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .chat-card{margin:0 auto}
  .grid-2{grid-template-columns:1fr}
  .grid-4,.stats .container{grid-template-columns:repeat(2,1fr)}
  .secao h2{font-size:29px}
}