/* ============================================================
   NBRTECH — Design System "Claro Enterprise"
   Fundo claro, azul corporativo, sem neon/glow — foco em
   credibilidade técnica para venda B2B.

   IMPORTANTE: as variáveis --navy-900, --ink-100, --ink-500 e
   --signal-400 são referenciadas diretamente (inline) nas páginas
   PHP. Os NOMES não podem mudar sem editar todos os .php — por
   isso o valor delas foi redefinido para o novo tema, mas o nome
   ficou o mesmo por compatibilidade.
   ============================================================ */
:root{
  --white:#ffffff;
  --slate-50:#F8FAFC;
  --slate-100:#F1F5F9;
  --slate-200:#E2E8F0;
  --slate-300:#CBD5E1;
  --slate-500:#64748B;
  --slate-600:#475569;
  --ink-900:#0F172A;      /* texto principal / navy escuro */

  --accent-50:#EFF6FF;
  --accent-500:#3B82F6;
  --accent-600:#2563EB;
  --accent-700:#1D4ED8;

  --danger-600:#DC2626;
  --danger-50:#FEF2F2;

  /* Compatibilidade com o HTML existente (não renomear) */
  --navy-900:#F8FAFC;      /* fundo alternado das seções (era escuro, agora é claro) */
  --ink-100:#0F172A;       /* texto de destaque (era quase-branco, agora navy escuro) */
  --ink-500:#64748B;       /* texto secundário/legenda */
  --signal-400:#1D4ED8;    /* destaque de texto/ícone (era verde neon, agora azul) */

  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-soft:0 12px 32px -18px rgba(15,23,42,.16);
  --shadow-card:0 1px 2px rgba(15,23,42,.04), 0 1px 1px rgba(15,23,42,.03);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--white);
  color:var(--ink-900);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-0.015em;color:var(--ink-900)}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,2.8vw,2.3rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em;color:var(--slate-600)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.skip-link{position:absolute;left:-999px;top:0;background:var(--accent-600);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:8px;font-weight:600;font-size:.96rem;
  border:1.5px solid transparent;cursor:pointer;transition:.18s background ease,.18s border-color ease,.18s color ease,.18s box-shadow ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-card)}
.btn-primary:hover{background:var(--accent-700)}
.btn-secondary{background:var(--white);border-color:var(--slate-300);color:var(--ink-900)}
.btn-secondary:hover{border-color:var(--accent-600);color:var(--accent-700)}
.btn-block{width:100%}
.btn-lg{padding:15px 30px;font-size:1.02rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--slate-200)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:12px 0}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-0.02em;color:var(--ink-900);display:inline-flex;align-items:center}
.logo span{color:var(--accent-600)}
.logo-img{height:46px;width:auto;display:block}
.site-footer .logo-img{height:38px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav ul{display:flex;gap:24px}
.main-nav a{font-weight:600;font-size:.94rem;color:var(--slate-600);padding:6px 2px;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--ink-900)}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--accent-600);transition:right .2s ease}
.main-nav a:hover::after,.main-nav a.active::after{right:0}
.nav-cta{padding:11px 24px;border-radius:999px;font-weight:700}
.main-nav .nav-cta,.main-nav .nav-cta:hover{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink-900);border-radius:2px}

/* ---------- Flash messages ---------- */
.flash{padding:14px 0;font-weight:600;text-align:center;font-size:.92rem}
.flash-success{background:#F0FDF4;color:#15803D}
.flash-error{background:var(--danger-50);color:var(--danger-600)}

/* ---------- Hero ---------- */
.hero{padding:88px 0 76px;background:var(--white);border-bottom:1px solid var(--slate-200)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--accent-50);color:var(--accent-700);font-weight:700;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;padding:7px 14px;border-radius:999px;margin-bottom:18px}
.product-logo{height:44px;width:auto;max-width:200px;margin-bottom:22px;display:block}
.hero p.lead{font-size:1.1rem;color:var(--slate-600);max-width:52ch}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-visual{position:relative}
.hero-card{background:var(--white);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-soft)}
.micro-trust{margin-top:20px;color:var(--slate-500);font-size:.85rem;display:flex;align-items:center;gap:8px}

/* ---------- Seções gerais ---------- */
section{padding:80px 0}
.section-head{max-width:640px;margin:0 auto 46px;text-align:center}
.section-head.left{margin:0 0 38px;text-align:left}
.tag{color:var(--accent-700);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.78rem}

/* ---------- Grid de serviços (home) ---------- */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{display:block;background:var(--white);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:28px 24px;transition:.2s border-color ease,.2s box-shadow ease,.2s transform ease;cursor:pointer}
.service-card:hover{border-color:var(--accent-500);box-shadow:var(--shadow-soft);transform:translateY(-3px)}
.service-icon{width:48px;height:48px;border-radius:12px;background:var(--accent-50);color:var(--accent-600);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.service-icon-logo{height:40px;width:auto;max-width:150px;margin-bottom:18px;display:block}
.card-link{color:var(--accent-700);font-weight:700;font-size:.88rem;display:inline-flex;align-items:center;gap:6px;margin-top:4px;transition:gap .18s ease}
.service-card:hover .card-link{gap:9px}

/* ---------- Clientes / Prova social ---------- */
.section-clients{background:var(--slate-50);border-top:1px solid var(--slate-200);border-bottom:1px solid var(--slate-200)}
.clients-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}
.client-slot{width:160px;height:70px;border-radius:var(--radius-md);border:1.5px dashed var(--slate-300);background:var(--white);display:flex;align-items:center;justify-content:center;color:var(--slate-500);font-size:.76rem;text-align:center;padding:8px}

/* ---------- Slide infinito de logos de clientes ---------- */
.clients-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(to right, transparent, black 8%, black 92%, transparent);mask-image:linear-gradient(to right, transparent, black 8%, black 92%, transparent)}
.clients-track{display:flex;align-items:center;gap:64px;width:max-content;animation:nbr-marquee 28s linear infinite}
.clients-marquee:hover .clients-track{animation-play-state:paused}
.clients-track img{height:48px;width:auto;max-width:170px;object-fit:contain;filter:grayscale(1) opacity(.55);transition:filter .2s ease;flex-shrink:0}
.clients-track img:hover{filter:grayscale(0) opacity(1)}

.client-logo-item{position:relative;display:flex;align-items:center;flex-shrink:0;cursor:default}
a.client-logo-item{cursor:pointer}
.client-logo-item::after{
  content:attr(data-tooltip);position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%,4px);
  background:var(--ink-900);color:#fff;font-size:.76rem;font-weight:600;white-space:nowrap;
  padding:6px 12px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .18s ease, transform .18s ease;z-index:5;
}
.client-logo-item::before{
  content:"";position:absolute;bottom:calc(100% + 5px);left:50%;transform:translateX(-50%);
  border:5px solid transparent;border-top-color:var(--ink-900);opacity:0;transition:opacity .18s ease;z-index:5;
}
.client-logo-item:hover::after,.client-logo-item:hover::before{opacity:1;transform:translate(-50%,0)}
.client-logo-item:hover::before{transform:translateX(-50%)}
@keyframes nbr-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion: reduce){
  .clients-track{animation:none;flex-wrap:wrap;justify-content:center}
}
.client-slot.has-logo{border-style:solid;border-color:var(--slate-200);padding:14px 20px}
.client-slot.has-logo img{max-width:100%;max-height:100%;object-fit:contain;filter:grayscale(1) opacity(.6);transition:filter .2s ease}
.client-slot.has-logo:hover img{filter:grayscale(0) opacity(1)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px;text-align:center}
.stat-number{font-size:2rem;font-weight:800;color:var(--accent-700)}
.stat-label{color:var(--slate-500);font-size:.88rem}

/* ---------- Dor / Bullets ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pain-item{display:flex;gap:14px;background:var(--white);border-radius:var(--radius-md);padding:18px;border:1px solid var(--slate-200)}
.pain-item .ico{color:var(--danger-600);font-size:1.1rem;flex-shrink:0;font-weight:700}

/* ---------- Benefícios ---------- */
.benefits-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.benefit-item{display:flex;gap:14px;padding:16px;border-radius:var(--radius-md)}
.benefit-item .ico{color:var(--accent-600);font-size:1.15rem;flex-shrink:0;font-weight:700}

/* ---------- Depoimentos ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi-card{background:var(--white);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--slate-200)}
.testi-quote{font-style:italic;color:var(--ink-900)}
.testi-author{margin-top:16px;display:flex;align-items:center;gap:12px}
.testi-avatar{width:40px;height:40px;border-radius:50%;background:var(--slate-100);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--slate-500)}
.testi-name{font-weight:700;color:var(--ink-900);font-size:.9rem}
.testi-role{color:var(--slate-500);font-size:.8rem}

/* ---------- Oferta / Stack de valor ---------- */
.offer-card{background:var(--white);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:38px;max-width:640px;margin:0 auto;box-shadow:var(--shadow-soft)}
.offer-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--slate-100);color:var(--ink-900)}
.offer-list li:last-child{border-bottom:0}
.offer-list .check{color:var(--accent-600);font-weight:800}

/* ---------- Objeções / FAQ (accordion) ---------- */
.faq-item{border-bottom:1px solid var(--slate-200)}
.faq-question{width:100%;text-align:left;background:none;border:0;color:var(--ink-900);font-weight:700;font-size:1rem;padding:19px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-answer p{padding-bottom:18px}
.faq-item.open .faq-answer{max-height:400px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-plus{transition:.2s transform ease;font-size:1.3rem;color:var(--accent-600)}

/* ---------- Garantia ---------- */
.guarantee{display:flex;gap:22px;align-items:center;background:var(--slate-50);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:30px;max-width:760px;margin:0 auto}
.guarantee-badge{width:72px;height:72px;border-radius:50%;background:var(--accent-50);color:var(--accent-600);display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* ---------- CTA final ---------- */
.cta-final{background:var(--ink-900);border-radius:var(--radius-lg);padding:60px 40px;text-align:center}
.cta-final h2,.cta-final p{color:#fff}
.cta-final p{color:#CBD5E1}
.cta-final p[style]{color:#CBD5E1 !important}

/* ---------- Formulário ---------- */
.form-card{background:var(--white);border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:34px;max-width:640px;margin:0 auto;box-shadow:var(--shadow-soft)}
.form-row{margin-bottom:18px}
label{display:block;font-weight:600;font-size:.86rem;margin-bottom:6px;color:var(--slate-600)}
input[type=text],input[type=email],input[type=tel],select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--slate-300);
  background:var(--white);color:var(--ink-900);font-family:inherit;font-size:.95rem;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-600);box-shadow:0 0 0 3px var(--accent-50)}
textarea{resize:vertical;min-height:120px}
.field-error{color:var(--danger-600);font-size:.82rem;margin-top:4px}
.hp-field{position:absolute;left:-9999px;top:-9999px;opacity:0}
.form-note{color:var(--slate-500);font-size:.82rem;text-align:center;margin-top:14px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);border-top:0;padding-top:60px}
.site-footer .logo{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:#94A3B8;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#CBD5E1;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-brand p{max-width:32ch;font-size:.88rem;color:#94A3B8}
.footer-bottom{border-top:1px solid #1E293B;padding:20px 0;color:#64748B;font-size:.8rem;text-align:center}

/* ---------- WhatsApp float ---------- */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -6px rgba(37,211,102,.5);z-index:200;transition:.18s transform ease;
}
.whatsapp-float:hover{transform:scale(1.06)}

/* ---------- Ícones SVG ---------- */
.nbr-icon{flex-shrink:0;vertical-align:-4px}
.eyebrow .nbr-icon{vertical-align:-3px;margin-right:2px}
.micro-trust .nbr-icon{color:var(--accent-600)}

/* ---------- Scroll reveal (sutil) ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* Respeita usuários que pedem menos movimento no sistema operacional */
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto !important}
}

/* ---------- Utilitários ---------- */
.text-center{text-align:center}
.mt-lg{margin-top:48px}

/* ---------- Responsivo ---------- */
@media (max-width:960px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .benefits-grid{grid-template-columns:1fr}
  .pain-grid{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body.nav-open{overflow:hidden}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;inset:var(--header-h, 84px) 0 0 0;z-index:150;background:var(--white);flex-direction:column;align-items:stretch;padding:32px 24px;transform:translateX(100%);transition:.25s transform ease;overflow-y:auto;-webkit-overflow-scrolling:touch;border-top:1px solid var(--slate-200)}
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;gap:6px;width:100%}
  .main-nav ul a{display:block;padding:14px 4px;border-bottom:1px solid var(--slate-100)}
  .nav-cta{margin-top:20px}
  .services-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  section{padding:56px 0}
  .hero{padding:52px 0 56px}
}