/* =========================================================
   NEXUS SENTINEL — Design System
   Paleta: preto/azul profundo + azul tecnológico + ciano
   Tipografia: Space Grotesk (display) / Inter (corpo) / IBM Plex Mono (dados)
   ========================================================= */

:root{
  --void:        #05070d;
  --deep:        #0a1024;
  --deep-2:      #0e1730;
  --panel:       #101a35;
  --line:        #1e2b4d;
  --blue:        #2e5bff;
  --blue-dim:    #16295e;
  --cyan:        #33e6c8;
  --cyan-soft:   #33e6c822;
  --white:       #f5f8fc;
  --ink:         #eef2fa;
  --ink-muted:   #92a0c2;
  --ink-faint:   #5c6a8f;
  --light-bg:    #f4f7fb;
  --light-panel: #ffffff;
  --light-line:  #e2e8f4;
  --light-ink:   #101a35;
  --light-muted: #59668a;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --shadow-glow: 0 0 0 1px var(--line), 0 20px 60px -20px rgba(46,91,255,.35);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--void);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; line-height:1.15; margin:0; color:var(--white); }
p{ margin:0; }
button{ font-family:inherit; }

.container{ max-width:1200px; margin:0 auto; padding:0 24px; }
.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--cyan); display:inline-flex; align-items:center; gap:8px; margin-bottom:14px;
}
.eyebrow::before{ content:''; width:16px; height:1px; background:var(--cyan); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--cyan); outline-offset:2px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- scan line signature ---------- */
.scan-line{
  position:fixed; top:0; left:0; right:0; height:2px; z-index:999;
  background:linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation:scan 5s linear infinite; opacity:.7; pointer-events:none;
}
@keyframes scan{
  0%{ transform:translateX(-100%); }
  100%{ transform:translateX(100%); }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:999px; font-weight:600; font-size:15px;
  border:1px solid transparent; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn-primary{ background:linear-gradient(135deg, var(--blue), #1739b8); color:#fff; box-shadow:0 8px 24px -8px rgba(46,91,255,.6); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 30px -8px rgba(46,91,255,.75); }
.btn-outline{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-outline:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn-ghost{ background:transparent; color:var(--ink-muted); border-color:transparent; }
.btn-ghost:hover{ color:var(--cyan); }
.btn-cyan{ background:var(--cyan); color:#022; box-shadow:0 8px 24px -8px rgba(51,230,200,.5); }
.btn-cyan:hover{ transform:translateY(-2px); }
.btn-sm{ padding:10px 18px; font-size:13.5px; }
.btn-block{ width:100%; }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:500;
  background:rgba(5,7,13,.78); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 24px; gap:24px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{ width:38px; height:38px; object-fit:contain; }
.brand-name{ font-family:var(--font-display); font-size:17px; letter-spacing:.02em; }
.brand-name strong{ color:var(--cyan); font-weight:700; }
.main-nav{ display:flex; gap:30px; }
.main-nav a{ font-size:14.5px; color:var(--ink-muted); font-weight:500; transition:color .15s; position:relative; }
.main-nav a:hover{ color:var(--white); }
.header-actions{ display:flex; align-items:center; gap:10px; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; cursor:pointer; }
.nav-toggle span{ width:22px; height:2px; background:var(--white); display:block; }

@media (max-width:960px){
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--void); flex-direction:column; gap:0;
    padding:10px 24px; transform:translateY(-8px); opacity:0; pointer-events:none; transition:.2s ease;
    border-top:1px solid var(--line);
  }
  .main-nav.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .main-nav a{ padding:16px 0; border-bottom:1px solid var(--line); font-size:16px; }
  .header-actions .btn-ghost{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ---------- hero ---------- */
.hero{
  position:relative; overflow:hidden;
  padding:110px 0 100px;
  background:
    radial-gradient(60% 60% at 80% 10%, rgba(46,91,255,.22), transparent 60%),
    radial-gradient(50% 50% at 10% 90%, rgba(51,230,200,.14), transparent 60%),
    var(--void);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  position:absolute; inset:0; opacity:.35; pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 70% 30%, black, transparent 70%);
}
.hero-inner{ position:relative; display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center; }
.hero h1{ font-size:clamp(34px,4.6vw,58px); letter-spacing:-.01em; }
.hero-sub{ margin-top:22px; font-size:18px; color:var(--ink-muted); max-width:560px; }
.hero-cta{ margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; }
.hero-stats{ margin-top:48px; display:flex; gap:36px; flex-wrap:wrap; }
.hero-stats div{ font-family:var(--font-mono); }
.hero-stats b{ display:block; font-size:26px; color:var(--white); font-family:var(--font-display); }
.hero-stats span{ font-size:12.5px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.08em; }

/* hero visual — imagem da central de monitoramento (substitui o radar) */
.hero-visual{
  position:relative; width:100%; max-width:520px; margin-left:auto;
  aspect-ratio:4/3; border-radius:var(--radius-l); overflow:hidden;
  border:1px solid var(--line); box-shadow:var(--shadow-glow);
  background:var(--deep);
}
.hero-visual img{ width:100%; height:100%; object-fit:cover; display:block; }

/* radar visual (signature element) */
.radar{
  position:relative; width:100%; aspect-ratio:1/1; max-width:440px; margin-left:auto;
  border-radius:50%; border:1px solid var(--line);
  background:radial-gradient(circle, rgba(46,91,255,.12), transparent 70%);
}
.radar::before, .radar::after{
  content:''; position:absolute; border:1px solid var(--line); border-radius:50%;
}
.radar::before{ inset:14%; }
.radar::after{ inset:32%; }
.radar-core{
  position:absolute; inset:0; border-radius:50%; overflow:hidden;
}
.radar-sweep{
  position:absolute; inset:0; border-radius:50%;
  background:conic-gradient(from 0deg, transparent 0deg, rgba(51,230,200,.55) 18deg, transparent 60deg);
  animation:spin 4s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.radar-dot{ position:absolute; width:8px; height:8px; border-radius:50%; background:var(--cyan); box-shadow:0 0 12px 3px var(--cyan-soft); }
.radar-eye{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:64px; height:64px; border-radius:50%; background:var(--deep-2); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
}
.radar-eye span{ width:20px; height:20px; border-radius:50%; background:var(--cyan); box-shadow:0 0 18px 6px var(--cyan-soft); }

/* ---------- sections generic ---------- */
section{ padding:100px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(26px,3.2vw,40px); }
.section-head p{ margin-top:16px; color:var(--ink-muted); font-size:16.5px; }
.section-dark{ background:var(--void); }
.section-panel{ background:var(--deep); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* problem section */
.problem-list{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:18px; margin-top:20px; }
.problem-item{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-m); padding:22px;
  display:flex; gap:14px; align-items:flex-start;
}
.problem-item .mark{ color:#ff6a6a; font-family:var(--font-mono); font-size:14px; }
.problem-item p{ color:var(--ink-muted); font-size:15px; }

/* module / feature cards */
.grid-cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:22px; }
.card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-l);
  padding:32px; transition:border-color .2s, transform .2s;
}
.card:hover{ border-color:var(--cyan); transform:translateY(-4px); }
.card .num{ font-family:var(--font-mono); color:var(--cyan); font-size:13px; margin-bottom:16px; display:block; }
.card h3{ font-size:20px; margin-bottom:10px; }
.card p{ color:var(--ink-muted); font-size:14.5px; margin-bottom:16px; }
.card ul{ display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.card ul li{ font-size:14px; color:var(--ink-muted); display:flex; gap:8px; align-items:flex-start; }
.card ul li::before{ content:'—'; color:var(--cyan); flex-shrink:0; }
.card .tagline{ font-size:14px; color:var(--white); font-weight:600; border-top:1px solid var(--line); padding-top:16px; }

/* how it works */
.steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:0; counter-reset:step; position:relative; }
.step{ padding:0 24px 24px 0; position:relative; }
.step .step-num{ font-family:var(--font-display); font-size:40px; color:transparent; -webkit-text-stroke:1px var(--cyan); margin-bottom:16px; display:block; }
.step h3{ font-size:17px; margin-bottom:8px; }
.step p{ color:var(--ink-muted); font-size:14.5px; }

/* segments */
.segments-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:22px; }
.segment-card{
  background:linear-gradient(180deg, var(--panel), var(--deep-2)); border:1px solid var(--line);
  border-radius:var(--radius-l); padding:30px; position:relative; overflow:hidden;
}
.segment-card h3{ font-size:19px; margin-bottom:14px; }
.segment-card ul li{ font-size:14px; color:var(--ink-muted); padding:5px 0; display:flex; gap:8px; }
.segment-card ul li::before{ content:'✓'; color:var(--cyan); }

/* differentiators mini icons row */
.diff-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; }
.diff-card{ padding:26px; border-radius:var(--radius-m); border:1px solid var(--line); background:var(--deep); }
.diff-card h3{ font-size:17px; margin-bottom:8px; color:var(--cyan); }
.diff-card p{ color:var(--ink-muted); font-size:14px; }

/* CTA band */
.cta-band{
  border-radius:var(--radius-l); padding:56px; text-align:center;
  background:linear-gradient(135deg, var(--blue-dim), var(--deep-2)); border:1px solid var(--line);
  position:relative; overflow:hidden;
}
.cta-band h2{ font-size:clamp(24px,3vw,34px); margin-bottom:14px; }
.cta-band p{ color:var(--ink-muted); margin-bottom:26px; }
.cta-band .btn-row{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- forms ---------- */
.form-panel{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-l); padding:36px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group{ margin-bottom:18px; }
.form-group label{ display:block; font-size:13px; color:var(--ink-muted); margin-bottom:7px; font-family:var(--font-mono); letter-spacing:.03em; }
.form-group input, .form-group select, .form-group textarea{
  width:100%; padding:13px 15px; border-radius:var(--radius-s); border:1px solid var(--line);
  background:var(--void); color:var(--white); font-family:var(--font-body); font-size:14.5px;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{ border-color:var(--cyan); outline:none; }
.form-note{ font-size:12.5px; color:var(--ink-faint); margin-top:14px; }
.alert{ padding:16px 18px; border-radius:var(--radius-s); font-size:14.5px; margin-bottom:22px; }
.alert-success{ background:#0f2b22; border:1px solid #1e6b4f; color:#7ff0c5; }
.alert-error{ background:#2b0f0f; border:1px solid #6b1e1e; color:#f09b7f; }

/* ---------- blog ---------- */
.blog-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:26px; }
.post-card{ border:1px solid var(--line); border-radius:var(--radius-l); overflow:hidden; background:var(--panel); display:flex; flex-direction:column; }
.post-card .thumb{ aspect-ratio:16/9; background:linear-gradient(135deg, var(--blue-dim), var(--deep-2)); display:flex; align-items:center; justify-content:center; }
.post-card .thumb-fallback{ font-family:var(--font-mono); font-size:12px; color:var(--cyan); letter-spacing:.1em; text-transform:uppercase; }
.post-card .body{ padding:24px; display:flex; flex-direction:column; gap:10px; flex:1; }
.post-card .cat{ font-family:var(--font-mono); font-size:11.5px; color:var(--cyan); text-transform:uppercase; letter-spacing:.08em; }
.post-card h3{ font-size:18px; }
.post-card p{ color:var(--ink-muted); font-size:14px; flex:1; }
.post-card .meta{ font-size:12.5px; color:var(--ink-faint); font-family:var(--font-mono); }

.post-single{ max-width:760px; margin:0 auto; }
.post-single .post-meta{ font-family:var(--font-mono); font-size:13px; color:var(--ink-faint); margin-bottom:18px; }
.post-single h1{ font-size:clamp(28px,4vw,42px); margin-bottom:20px; }
.post-single .cover{ border-radius:var(--radius-l); overflow:hidden; margin-bottom:36px; border:1px solid var(--line); aspect-ratio:16/8; background:linear-gradient(135deg, var(--blue-dim), var(--deep-2)); }
.post-content{ color:var(--ink-muted); font-size:17px; line-height:1.8; }
.post-content h2{ color:var(--white); font-size:24px; margin:36px 0 14px; }
.post-content p{ margin-bottom:18px; }

/* ---------- footer ---------- */
.site-footer{ background:var(--deep); border-top:1px solid var(--line); padding:70px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; }
.footer-logo{ width:40px; margin-bottom:14px; }
.footer-slogan{ color:var(--ink-muted); font-size:14px; max-width:260px; }
.footer-social{ display:flex; gap:14px; margin-top:16px; }
.footer-social a{ font-size:13px; color:var(--ink-faint); }
.footer-social a:hover{ color:var(--cyan); }
.footer-col h4{ font-size:13px; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-faint); margin-bottom:16px; font-family:var(--font-mono); }
.footer-col{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ font-size:14px; color:var(--ink-muted); }
.footer-col a:hover{ color:var(--cyan); }
.footer-address{ font-size:13px; color:var(--ink-faint); }
.footer-bottom{ display:flex; justify-content:space-between; margin-top:60px; padding-top:24px; border-top:1px solid var(--line); font-size:12.5px; color:var(--ink-faint); flex-wrap:wrap; gap:10px; }

@media (max-width:900px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .hero-inner{ grid-template-columns:1fr; }
  .radar{ margin:0 auto; max-width:300px; }
  .hero-visual{ margin:0 auto; max-width:100%; }
  .form-row{ grid-template-columns:1fr; }
}

/* ---------- whatsapp float ---------- */
.whatsapp-float{
  position:fixed; bottom:26px; right:26px; z-index:600; width:58px; height:58px; border-radius:50%;
  background:#20c997; color:#04241a; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 30px -8px rgba(32,201,151,.6); transition:transform .15s;
}
.whatsapp-float:hover{ transform:scale(1.08); }

/* ---------- language switcher ---------- */
.lang-switch{ display:flex; align-items:center; gap:2px; margin-right:6px; }
.lang-switch button{
  background:none; border:none; cursor:pointer; font-size:18px; line-height:1;
  padding:6px 5px; border-radius:6px; opacity:.75; transition:opacity .15s, background .15s;
  filter:grayscale(.15);
}
.lang-switch button:hover{ opacity:1; background:var(--panel); }
@media (max-width:960px){
  .lang-switch{ margin:0 0 14px; }
}
/* esconde a barra padrão que o Google Translate injeta no topo da página */
.goog-te-banner-frame, iframe.goog-te-banner-frame{ display:none !important; }
body{ top:0 !important; }
.goog-tooltip, .goog-tooltip:hover{ display:none !important; }
.goog-text-highlight{ background:none !important; box-shadow:none !important; }

/* ---------- cookie consent banner (LGPD) ---------- */
.cookie-banner{
  position:fixed; left:0; right:0; bottom:0; z-index:900;
  background:var(--panel); border-top:1px solid var(--line);
  padding:20px 24px; display:none; align-items:center; justify-content:space-between;
  gap:24px; flex-wrap:wrap; box-shadow:0 -10px 30px -12px rgba(0,0,0,.35);
}
.cookie-banner p{ font-size:13.5px; color:var(--ink-muted); max-width:640px; margin:0; }
.cookie-banner p a{ color:var(--cyan); text-decoration:underline; }
.cookie-banner .cookie-actions{ display:flex; gap:10px; flex-wrap:wrap; }
@media (max-width:700px){
  .cookie-banner{ flex-direction:column; align-items:flex-start; }
}
/* ---------- stats strip (landing pages, tema tech) ---------- */
.stats-strip{ display:flex; flex-wrap:wrap; gap:48px; justify-content:center; padding:8px 0; }
.stats-strip .stat{ text-align:center; }
.stats-strip .stat b{ display:block; font-family:var(--font-display); font-size:30px; color:var(--white); }
.stats-strip .stat span{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-faint); }

/* ---------- quote / depoimento ---------- */
.quote-card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius-l);
  padding:46px; text-align:center; max-width:760px; margin:0 auto;
}
.quote-card blockquote{ font-family:var(--font-display); font-size:20px; font-weight:500; color:var(--white); margin:0 0 16px; line-height:1.5; }
.quote-card cite{ font-style:normal; color:var(--ink-faint); font-size:13.5px; font-family:var(--font-mono); }

/* ---------- FAQ (accordion) ---------- */
.faq-list{ max-width:760px; margin:0 auto; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-item summary{
  cursor:pointer; padding:20px 4px; font-weight:600; color:var(--white); font-size:15.5px;
  display:flex; justify-content:space-between; align-items:center; list-style:none;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; color:var(--cyan); font-size:20px; margin-left:16px; }
.faq-item[open] summary::after{ content:'–'; }
.faq-item p{ padding:0 4px 20px; color:var(--ink-muted); font-size:14.5px; }

.breadcrumb{ font-family:var(--font-mono); font-size:12.5px; color:var(--ink-faint); margin-bottom:26px; display:flex; gap:8px; flex-wrap:wrap; }
.breadcrumb a{ color:var(--ink-faint); }
.breadcrumb a:hover{ color:var(--cyan); }

/* page hero (inner pages, smaller) */
.page-hero{ padding:70px 0 60px; border-bottom:1px solid var(--line); background:radial-gradient(60% 60% at 80% 0%, rgba(46,91,255,.18), transparent 60%); }
.page-hero h1{ font-size:clamp(28px,4vw,44px); max-width:760px; }
.page-hero p{ color:var(--ink-muted); margin-top:16px; max-width:600px; font-size:16.5px; }