/* ============================================================
   Go Nexus — Landing institucional
   Sistema de design: 3 direções (dark / light / gradiente)
   ============================================================ */

:root{
  /* Tokens de marca (fixos) */
  --blue:#2563EB;
  --blue-bright:#3B82F6;
  --teal:#2DD4BF;
  --cyan:#22D3EE;

  /* Acento (controlado por Tweaks) */
  --accent:#2563EB;
  --accent-2:#2DD4BF;
  --grad:linear-gradient(100deg,var(--accent),var(--accent-2));

  /* Tipografia (controlada por Tweaks) */
  --font-head:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,sans-serif;

  /* Forma */
  --r:16px;
  --r-sm:calc(var(--r) * .6);
  --maxw:1200px;

  --glow:1; /* 1 = brilhos ligados (tema dark) */
}

/* ---------- TEMA: NAVY PREMIUM (default / dark) ---------- */
:root[data-theme="dark"]{
  --bg:#070B16;
  --bg-2:#0B1224;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.06);
  --surface-solid:#0F1729;
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#EAF0FB;
  --text-2:#A9B6CF;
  --text-3:#6B7895;
  --shadow:0 30px 80px -30px rgba(0,0,0,.8);
  --on-accent:#06101f;
  --logo-filter:none;
  --hero-glow:.9;
}

/* ---------- TEMA: CLARO CORPORATIVO ---------- */
:root[data-theme="light"]{
  --bg:#F6F8FC;
  --bg-2:#FFFFFF;
  --surface:#FFFFFF;
  --surface-2:#FFFFFF;
  --surface-solid:#FFFFFF;
  --border:rgba(15,30,60,.10);
  --border-strong:rgba(15,30,60,.16);
  --text:#0E1A30;
  --text-2:#4A5B78;
  --text-3:#8493AE;
  --shadow:0 24px 50px -24px rgba(20,40,80,.22);
  --on-accent:#FFFFFF;
  --logo-filter:none;
  --glow:0;
  --hero-glow:.18;
}

/* ---------- TEMA: GRADIENTE VIBRANTE ---------- */
:root[data-theme="gradient"]{
  --bg:#FFFFFF;
  --bg-2:#F4F8FF;
  --surface:#FFFFFF;
  --surface-2:#F7FAFF;
  --surface-solid:#FFFFFF;
  --border:rgba(20,50,110,.10);
  --border-strong:rgba(20,50,110,.18);
  --text:#0C1730;
  --text-2:#45597C;
  --text-3:#8090AC;
  --shadow:0 28px 60px -26px rgba(30,80,170,.30);
  --on-accent:#FFFFFF;
  --logo-filter:none;
  --glow:0;
  --hero-glow:1;
}

/* ============================================================
   Base
   ============================================================ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .35s ease,color .35s ease;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.05;letter-spacing:-.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-body);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-2);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section{padding:108px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(30px,4vw,46px)}
.section-head p{margin-top:18px;color:var(--text-2);font-size:18px}

/* ============================================================
   Botões
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-body);font-weight:600;font-size:16px;
  padding:15px 26px;border-radius:calc(var(--r) * .7);
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:var(--on-accent);
  box-shadow:0 12px 30px -10px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px color-mix(in srgb,var(--accent) 75%,transparent)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border-strong)}
.btn-ghost:hover{border-color:var(--accent);color:var(--text)}
.btn svg{width:19px;height:19px}
.btn-lg{padding:18px 32px;font-size:17px}

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  -webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:0}
.brand img{height:30px;width:auto;filter:var(--logo-filter)}
.nav-links{display:flex;align-items:center;gap:34px;font-weight:500;font-size:15.5px}
.nav-links a{color:var(--text);opacity:.82;transition:opacity .18s ease,color .18s ease;position:relative}
.nav-links a:hover{color:var(--accent);opacity:1}
:root[data-theme="dark"] .nav-links a:hover{color:var(--accent-2)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--text);padding:6px}
.nav-toggle svg{width:26px;height:26px}

/* ============================================================
   Hero
   ============================================================ */
.hero{position:relative;padding:170px 0 96px;overflow:hidden}
.hero-bgfx{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-grid{position:absolute;inset:0;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 70% 0%,#000 0%,transparent 65%);
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0%,#000 0%,transparent 65%);
  opacity:.5;
}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:calc(.55 * var(--hero-glow))}
.blob-1{width:520px;height:520px;background:var(--accent);top:-180px;right:-80px;opacity:calc(.42 * var(--hero-glow))}
.blob-2{width:440px;height:440px;background:var(--accent-2);top:120px;left:-160px;opacity:calc(.34 * var(--hero-glow))}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero-copy{max-width:620px}
.hero h1{font-size:clamp(40px,5.4vw,68px);letter-spacing:-.035em}
.hero-sub{margin-top:26px;font-size:20px;line-height:1.55;color:var(--text-2);max-width:540px}
.hero-actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;color:var(--text-3);font-size:14.5px;font-weight:500}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2)}

/* ---- Mock de produto (dashboard) ---- */
.mock{
  position:relative;border-radius:calc(var(--r) * 1.1);overflow:hidden;
  background:var(--surface-solid);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.mock::after{content:"";position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);pointer-events:none}
.mock-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--border);
  background:color-mix(in srgb,var(--surface-solid) 100%,var(--text) 3%)}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:var(--text-3);opacity:.5}
.mock-bar .mb-title{margin-left:10px;font-size:13px;color:var(--text-3);font-weight:600;font-family:var(--font-body)}
.mock-body{display:grid;grid-template-columns:64px 1fr;min-height:340px}
.mock-side{border-right:1px solid var(--border);padding:18px 0;display:flex;flex-direction:column;align-items:center;gap:16px}
.mock-side .ms-logo{width:30px;height:30px;border-radius:9px;background:var(--grad)}
.mock-side .ms-i{width:26px;height:26px;border-radius:8px;background:var(--surface-2)}
.mock-side .ms-i.on{background:color-mix(in srgb,var(--accent) 22%,transparent)}
.mock-main{padding:20px 22px}
.mock-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);padding:14px}
.kpi .k-label{font-size:11px;color:var(--text-3);font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-body)}
.kpi .k-val{font-family:var(--font-head);font-weight:600;font-size:22px;margin-top:8px}
.kpi .k-val.up{color:var(--accent-2)}
.mock-chart{margin-top:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);padding:18px 16px 12px}
.chart-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.chart-head .ch-t{font-size:12px;font-weight:600;color:var(--text-2);font-family:var(--font-body)}
.chart-head .ch-pill{font-size:10px;font-weight:700;color:var(--accent-2);background:color-mix(in srgb,var(--accent-2) 16%,transparent);padding:3px 8px;border-radius:99px}
.bars{display:flex;align-items:flex-end;gap:10px;height:96px}
.bars .bar{flex:1;border-radius:6px 6px 3px 3px;background:var(--surface-2);position:relative;overflow:hidden}
.bars .bar::after{content:"";position:absolute;left:0;right:0;bottom:0;height:var(--h,40%);background:var(--grad);border-radius:6px 6px 3px 3px;opacity:.92}
.mock-float{position:absolute;right:-18px;bottom:34px;background:var(--surface-solid);border:1px solid var(--border);
  border-radius:14px;padding:13px 15px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;
  animation:floaty 5s ease-in-out infinite}
.mock-float .mf-ic{width:38px;height:38px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:var(--on-accent)}
.mock-float .mf-ic svg{width:20px;height:20px}
.mock-float .mf-t{font-size:11px;color:var(--text-3);font-weight:600}
.mock-float .mf-v{font-family:var(--font-head);font-weight:600;font-size:16px}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ============================================================
   Segmentos
   ============================================================ */
.segments{padding:30px 0 8px}
.seg-label{text-align:center;color:var(--text-3);font-weight:600;font-size:14px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:26px}
.seg-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px;border-radius:99px;border:1px solid var(--border);
  background:var(--surface);color:var(--text-2);font-weight:600;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--accent);color:var(--text);transform:translateY(-2px)}
.chip .cd{width:8px;height:8px;border-radius:50%;background:var(--grad)}

/* ============================================================
   Diferenciais
   ============================================================ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:30px 28px;position:relative;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feat::before{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;
  background:radial-gradient(120% 120% at 0% 0%,color-mix(in srgb,var(--accent) 10%,transparent),transparent 60%);
  transition:opacity .25s ease}
.feat:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.feat:hover::before{opacity:1}
.feat-ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);margin-bottom:20px;
  border:1px solid color-mix(in srgb,var(--accent) 22%,transparent)}
:root[data-theme="dark"] .feat-ic{color:var(--accent-2)}
.feat-ic svg{width:26px;height:26px}
.feat h3{font-size:20px;margin-bottom:9px;position:relative}
.feat p{color:var(--text-2);font-size:15.5px;position:relative}

/* ============================================================
   Sobre
   ============================================================ */
.about{position:relative}
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-copy h2{font-size:clamp(30px,4vw,44px);margin-bottom:22px}
.about-copy p{color:var(--text-2);font-size:17.5px;margin-bottom:18px}
.about-copy p strong{color:var(--text);font-weight:600}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.mv{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:24px}
.mv h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:12px;font-family:var(--font-body);font-weight:700}
:root[data-theme="dark"] .mv h4{color:var(--accent-2)}
.mv p{font-size:15px;color:var(--text-2);margin:0}
.about-visual{position:relative}
.stats-card{background:var(--surface-solid);border:1px solid var(--border);border-radius:calc(var(--r) * 1.1);
  padding:36px;box-shadow:var(--shadow)}
.stats-card .sc-top{display:flex;align-items:center;gap:14px;padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:24px}
.stats-card .sc-top .sct-ic{width:46px;height:46px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:var(--on-accent)}
.stats-card .sc-top .sct-ic svg{width:24px;height:24px}
.stats-card .sc-top h4{font-size:18px}
.stats-card .sc-top span{display:block;font-size:13px;color:var(--text-3);font-weight:500;font-family:var(--font-body);margin-top:3px}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:22px 18px}
.stat .s-num{font-family:var(--font-head);font-weight:600;font-size:30px;letter-spacing:-.02em}
.stat .s-num .grad-text{display:inline}
.stat .s-lbl{font-size:13.5px;color:var(--text-2);margin-top:4px;font-weight:500}

/* ============================================================
   CTA / Contato
   ============================================================ */
.cta{position:relative;overflow:hidden}
.cta-card{
  position:relative;border-radius:calc(var(--r) * 1.4);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--border);
  padding:64px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-card::before{content:"";position:absolute;inset:0;z-index:0;opacity:calc(.5 * var(--glow) + .12);
  background:radial-gradient(90% 120% at 0% 0%,color-mix(in srgb,var(--accent) 26%,transparent),transparent 55%),
             radial-gradient(80% 120% at 100% 100%,color-mix(in srgb,var(--accent-2) 24%,transparent),transparent 55%)}
:root[data-theme="gradient"] .cta-card{background:var(--grad);border-color:transparent}
:root[data-theme="gradient"] .cta-card::before{opacity:.0}
:root[data-theme="gradient"] .cta-copy h2,
:root[data-theme="gradient"] .cta-copy p{color:#fff}
:root[data-theme="gradient"] .cta-copy .eyebrow{color:rgba(255,255,255,.85)}
:root[data-theme="gradient"] .cta-copy .eyebrow::before{background:#fff}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(28px,3.4vw,40px)}
.cta-copy p{margin-top:18px;color:var(--text-2);font-size:18px;max-width:420px}
.cta-channels{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.channel{display:flex;align-items:center;gap:13px;color:var(--text-2);font-weight:500}
.channel .ch-ic{width:42px;height:42px;border-radius:12px;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;color:var(--accent)}
:root[data-theme="gradient"] .channel{color:rgba(255,255,255,.92)}
:root[data-theme="gradient"] .channel .ch-ic{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.28);color:#fff}
.channel .ch-ic svg{width:21px;height:21px}
.channel b{display:block;color:var(--text);font-family:var(--font-head)}
:root[data-theme="gradient"] .channel b{color:#fff}

/* Form */
.lead-form{position:relative;z-index:1;background:var(--surface-solid);border:1px solid var(--border);
  border-radius:var(--r);padding:30px;display:grid;gap:14px;box-shadow:0 20px 50px -30px rgba(0,0,0,.5)}
:root[data-theme="gradient"] .lead-form{box-shadow:0 30px 60px -28px rgba(20,60,140,.5)}
.lead-form h3{font-size:21px;margin-bottom:4px}
.lead-form .lf-sub{font-size:14px;color:var(--text-3);margin-bottom:6px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.field input,.field textarea{
  font-family:var(--font-body);font-size:15.5px;color:var(--text);
  background:var(--bg);border:1px solid var(--border);border-radius:calc(var(--r) * .55);
  padding:13px 15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;width:100%;
}
.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.field textarea{resize:vertical;min-height:84px}
.lead-form .btn{width:100%}
.form-note{font-size:12.5px;color:var(--text-3);text-align:center}
.cta.no-form .cta-card{grid-template-columns:1fr;max-width:760px;margin:0 auto;text-align:center}
.cta.no-form .lead-form{display:none}
.cta.no-form .cta-copy p{margin-left:auto;margin-right:auto}
.cta.no-form .cta-channels{align-items:center}
.cta.no-form .cta-actions{justify-content:center}
.cta-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{border-top:1px solid var(--border);padding:60px 0 36px;background:var(--bg-2)}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--border)}
.foot-brand img{height:28px;filter:var(--logo-filter);margin-bottom:18px}
.foot-brand p{color:var(--text-2);font-size:15px;max-width:280px}
.foot-col h5{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);margin:0 0 16px;font-family:var(--font-body);font-weight:700}
.foot-col a{display:block;color:var(--text-2);font-size:15px;padding:6px 0;transition:color .18s ease}
.foot-col a:hover{color:var(--accent)}
:root[data-theme="dark"] .foot-col a:hover{color:var(--accent-2)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;color:var(--text-3);font-size:13.5px;flex-wrap:wrap;gap:12px}
.foot-bottom .made{display:inline-flex;align-items:center;gap:8px}

/* ============================================================
   Reveal on scroll
   ============================================================ */
/* Conteúdo sempre visível. Animação de entrada desativada para máxima robustez. */
.reveal{opacity:1 !important;transform:none !important}

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-visual{order:2}
  .about-inner{grid-template-columns:1fr;gap:42px}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;gap:36px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--border);padding:10px 24px 18px}
  .nav-links.open a{padding:14px 0;border-bottom:1px solid var(--border);width:100%}
  .nav-toggle{display:block}
  .nav .btn-ghost{display:none}
  .feature-grid{grid-template-columns:1fr}
  .mv-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .mock-float{display:none}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .cta-card{padding:34px 22px}
  .lead-form{padding:22px}
}