/* =========================================================
   ZNEXUS — Sistemas Inteligentes
   Design tokens
   ========================================================= */
:root{
  --navy:        #0A1628;
  --navy-2:      #0F2138;
  --navy-3:      #14304F;
  --ink:         #0E1726;
  --paper:       #F6F8FB;
  --paper-2:     #FFFFFF;
  --slate:       #5B6B82;
  --slate-soft:  #8C9AB0;
  --line:        #E3E8EF;
  --line-dark:   rgba(255,255,255,.10);
  --teal:        #16C79A;
  --teal-2:      #0EA890;
  --blue:        #2E7DE1;
  --blue-2:      #1B5FC4;
  --grad-brand:  linear-gradient(115deg, var(--teal) 0%, #1FB7A8 35%, var(--blue) 100%);
  --grad-navy:   linear-gradient(160deg, #0C1B30 0%, #0A1628 60%, #081222 100%);

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body:    "Inter", sans-serif;
  --font-mono:    "JetBrains Mono", monospace;

  --radius: 4px;
  --container: 1180px;
  --cut: 22px; /* diagonal facet size, echoes logo cut */
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  font-size:16px;
  line-height:1.6;
}
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); margin:0; line-height:1.1; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal-2);
}
.eyebrow::before{
  content:"";
  width:18px; height:2px;
  background:var(--grad-brand);
  display:inline-block;
}

section{ position:relative; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:15px;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.btn-primary:hover{ transform:translateY(-1px); box-shadow:0 10px 24px -8px rgba(46,125,225,.45); }
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{ border-color:var(--blue); color:var(--blue); }
.btn-ghost-dark{
  background:transparent;
  border-color:var(--line-dark);
  color:#fff;
}
.btn-ghost-dark:hover{ border-color:var(--teal); color:var(--teal); }
.btn-block{ width:100%; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(246,248,251,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height:34px; width:auto; }
.brand-word{ font-family:var(--font-display); font-weight:700; font-size:21px; color:var(--ink); letter-spacing:-.02em; }
.brand-word b{ background:var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent; }

.nav-main{ display:flex; align-items:center; gap:36px; }
.nav-main a{
  font-size:14.5px; font-weight:500; color:var(--slate);
  position:relative; padding:6px 0;
}
.nav-main a:hover{ color:var(--ink); }
.nav-main a.active{ color:var(--ink); }
.nav-main a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:var(--grad-brand);
}
.header-actions{ display:flex; align-items:center; gap:14px; }

.nav-toggle{
  display:none;
  background:none; border:0; padding:8px;
}
.nav-toggle span{
  display:block; width:22px; height:2px; background:var(--ink); margin:5px 0;
  transition:transform .2s ease, opacity .2s ease;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--grad-navy);
  color:#C9D2E0;
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand img{ height:30px; margin-bottom:14px; }
.footer-brand p{ color:var(--slate-soft); font-size:14px; max-width:280px; }
.footer-col h4{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--teal); margin-bottom:16px; font-weight:600;
}
.footer-col ul li{ margin-bottom:10px; }
.footer-col ul li a{ font-size:14.5px; color:#C9D2E0; }
.footer-col ul li a:hover{ color:#fff; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:24px; font-size:13px; color:var(--slate-soft); flex-wrap:wrap; gap:12px;
}

/* ---------- Diagonal section divider, echoes the Z/X facet cut ---------- */
.cut-top-light{ clip-path:polygon(0 var(--cut),100% 0,100% 100%,0 100%); }
.cut-bottom-light{ clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - var(--cut))); }
.cut-top-r-light{ clip-path:polygon(0 0,100% var(--cut),100% 100%,0 100%); }

/* ---------- Hero ---------- */
.hero{
  background:var(--grad-navy);
  color:#fff;
  padding:96px 0 130px;
  overflow:hidden;
  position:relative;
}
.hero::before{
  content:"";
  position:absolute; top:-200px; right:-160px;
  width:620px; height:620px;
  background:radial-gradient(circle, rgba(22,199,154,.18), transparent 65%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute; bottom:-220px; left:-120px;
  width:500px; height:500px;
  background:radial-gradient(circle, rgba(46,125,225,.18), transparent 65%);
  pointer-events:none;
}
.hero-grid{
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;
  position:relative; z-index:1;
}
.hero h1{
  font-size:clamp(34px,4.6vw,54px);
  font-weight:700;
  margin:18px 0 22px;
}
.hero h1 em{ font-style:normal; background:var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p.lead{ font-size:17.5px; color:#AEBBD0; max-width:520px; margin-bottom:34px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:34px; margin-top:52px; flex-wrap:wrap; }
.hero-stats div b{ display:block; font-family:var(--font-display); font-size:26px; color:#fff; }
.hero-stats div span{ font-size:13px; color:var(--slate-soft); }

/* Hero visual: module facets */
.hero-visual{ position:relative; }
.facet-card{
  position:relative;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
  border-radius:6px;
  padding:22px 24px;
  margin-bottom:14px;
  backdrop-filter:blur(6px);
}
.facet-card .tag{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em;
  color:var(--teal); margin-bottom:6px; display:block;
}
.facet-card h4{ font-size:16.5px; color:#fff; margin-bottom:4px; }
.facet-card p{ font-size:13.5px; color:var(--slate-soft); }
.facet-card.offset{ margin-left:34px; }

/* ---------- Section heading ---------- */
.section-head{ max-width:640px; margin-bottom:54px; }
.section-head h2{ font-size:clamp(26px,3.2vw,36px); margin:14px 0 14px; color:var(--ink); }
.section-head p{ color:var(--slate); font-size:16px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head.on-dark h2{ color:#fff; }
.section-head.on-dark p{ color:var(--slate-soft); }

.section{ padding:96px 0; }
.section.tight{ padding:72px 0; }
.section.on-navy{ background:var(--grad-navy); color:#fff; }
.section.on-paper2{ background:var(--paper-2); }

/* ---------- Module tabs (signature element) ---------- */
.module-switch{
  display:flex; gap:2px; margin-bottom:48px; flex-wrap:wrap;
  border-bottom:1px solid var(--line);
}
.module-switch button{
  position:relative;
  background:none; border:0;
  padding:16px 22px 18px;
  font-family:var(--font-mono);
  font-size:13px; letter-spacing:.08em;
  color:var(--slate); text-transform:uppercase;
  border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.module-switch button .full{
  display:block; font-family:var(--font-display); text-transform:none;
  font-size:15px; color:var(--ink); letter-spacing:0; margin-top:3px; font-weight:600;
}
.module-switch button.active{ color:var(--teal-2); }
.module-switch button.active .full{ color:var(--ink); }
.module-switch button.active{ border-color:var(--blue); }
.module-switch button.active::before{
  content:""; position:absolute; left:0; top:8px; bottom:8px; width:3px;
  background:var(--grad-brand);
}

.module-panel{ display:none; }
.module-panel.active{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.module-panel .copy h3{ font-size:25px; margin-bottom:14px; }
.module-panel .copy p{ color:var(--slate); margin-bottom:22px; }
.module-feat{ display:grid; gap:12px; }
.module-feat li{
  display:flex; gap:10px; align-items:flex-start;
  font-size:14.5px; color:var(--ink);
}
.module-feat li::before{
  content:""; width:7px; height:7px; margin-top:7px; flex:0 0 auto;
  background:var(--grad-brand); clip-path:polygon(30% 0,100% 0,70% 100%,0 100%);
}
.module-visual{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:8px;
  padding:30px;
  position:relative;
}
.module-visual .code-line{ font-family:var(--font-mono); font-size:12.5px; color:var(--slate); margin-bottom:8px; }
.module-visual .code-line span{ color:var(--blue); }
.module-visual .code-line b{ color:var(--teal-2); font-weight:600; }

/* ---------- Cards (feature / value props) ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.feat-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:30px 26px;
  transition:border-color .15s ease, transform .15s ease;
}
.feat-card:hover{ border-color:var(--blue); transform:translateY(-3px); }
.feat-icon{
  width:42px; height:42px; border-radius:6px;
  background:var(--grad-brand);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  margin-bottom:18px;
}
.feat-card h3{ font-size:17px; margin-bottom:10px; }
.feat-card p{ font-size:14.5px; color:var(--slate); }

/* ---------- Timeline / process (real sequence: implantação) ---------- */
.process{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; counter-reset:step; }
.process-step{ position:relative; padding:0 22px 0 0; }
.process-step:not(:last-child)::after{
  content:""; position:absolute; top:19px; right:-2px; left:54px; height:1px; background:var(--line);
}
.process-num{
  font-family:var(--font-mono); font-size:13px; color:#fff;
  width:38px; height:38px; border-radius:50%;
  background:var(--grad-navy);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; position:relative; z-index:1;
}
.process-step h4{ font-size:16px; margin-bottom:8px; }
.process-step p{ font-size:14px; color:var(--slate); }

/* ---------- Pricing ---------- */
.plans-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; align-items:stretch; }
.plan-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:8px;
  padding:34px 30px;
  display:flex; flex-direction:column;
}
.plan-card.featured{
  border:1px solid transparent;
  background:linear-gradient(var(--paper-2),var(--paper-2)) padding-box, var(--grad-brand) border-box;
  position:relative;
  transform:translateY(-10px);
  box-shadow:0 24px 48px -24px rgba(14,23,38,.25);
}
.plan-badge{
  position:absolute; top:-13px; left:30px;
  background:var(--grad-brand); color:#fff;
  font-family:var(--font-mono); font-size:11px; letter-spacing:.08em;
  padding:5px 12px; border-radius:3px; text-transform:uppercase;
}
.plan-name{ font-family:var(--font-mono); font-size:12.5px; letter-spacing:.1em; color:var(--teal-2); text-transform:uppercase; margin-bottom:10px; }
.plan-price{ font-size:38px; font-family:var(--font-display); font-weight:700; margin-bottom:4px; }
.plan-price span{ font-size:14px; font-weight:500; color:var(--slate); }
.plan-desc{ font-size:14px; color:var(--slate); margin-bottom:26px; }
.plan-feat{ display:grid; gap:13px; margin-bottom:30px; flex:1; }
.plan-feat li{ display:flex; gap:10px; font-size:14px; align-items:flex-start; }
.plan-feat li::before{
  content:""; width:7px; height:7px; margin-top:6px; flex:0 0 auto;
  background:var(--grad-brand); clip-path:polygon(30% 0,100% 0,70% 100%,0 100%);
}
.plan-feat li.muted{ color:var(--slate-soft); }
.plan-feat li.muted::before{ background:var(--line); }

.plans-note{ text-align:center; margin-top:36px; color:var(--slate); font-size:14px; }

/* ---------- Logos / trust strip ---------- */
.trust-strip{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:28px; padding:36px 0;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.trust-strip span{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; color:var(--slate-soft); text-transform:uppercase; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--grad-navy);
  color:#fff;
  padding:80px 0;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-band h2{ font-size:clamp(26px,3.4vw,38px); margin-bottom:16px; }
.cta-band p{ color:var(--slate-soft); max-width:520px; margin:0 auto 32px; font-size:16px; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- Generic page hero (inner pages) ---------- */
.page-hero{
  background:var(--grad-navy); color:#fff;
  padding:64px 0 78px;
  position:relative;
}
.page-hero .eyebrow{ color:var(--teal); }
.page-hero h1{ font-size:clamp(30px,4vw,44px); margin:14px 0 16px; }
.page-hero p{ color:var(--slate-soft); max-width:560px; font-size:16.5px; }

/* ---------- About page specifics ---------- */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.value-list{ display:grid; gap:24px; margin-top:8px; }
.value-list li{ display:flex; gap:16px; }
.value-num{ font-family:var(--font-mono); color:var(--teal-2); font-size:13px; flex:0 0 30px; padding-top:3px; }
.value-list h4{ font-size:16px; margin-bottom:6px; }
.value-list p{ font-size:14.5px; color:var(--slate); }

.stack-panel{
  background:var(--navy);
  border-radius:8px;
  padding:30px;
  color:#fff;
}
.stack-panel h4{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; color:var(--teal); text-transform:uppercase; margin-bottom:18px; }
.stack-rows div{
  display:flex; justify-content:space-between;
  padding:11px 0; border-bottom:1px solid var(--line-dark); font-size:14px;
}
.stack-rows div:last-child{ border-bottom:0; }
.stack-rows span:first-child{ color:var(--slate-soft); }
.stack-rows span:last-child{ font-family:var(--font-mono); font-size:13px; color:var(--teal); }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; }
.contact-info-item{ display:flex; gap:16px; padding:20px 0; border-bottom:1px solid var(--line); }
.contact-info-item:first-child{ padding-top:0; }
.contact-info-item .ico{
  width:38px; height:38px; flex:0 0 auto;
  background:var(--grad-brand);
  clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px);
}
.contact-info-item h4{ font-size:15px; margin-bottom:4px; }
.contact-info-item p{ font-size:14px; color:var(--slate); }

.form-field{ margin-bottom:20px; }
.form-field label{ display:block; font-size:13.5px; font-weight:500; margin-bottom:7px; color:var(--ink); }
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding:13px 14px;
  border:1px solid var(--line); border-radius:4px;
  font-family:var(--font-body); font-size:14.5px; background:#fff; color:var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(46,125,225,.12);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-note{ font-size:12.5px; color:var(--slate-soft); margin-top:6px; }

/* ---------- Login page ---------- */
.login-wrap{
  min-height:calc(100vh - 76px - 1px);
  display:flex; align-items:stretch;
  background:var(--paper);
}
.login-panel{
  flex:1; display:flex; align-items:center; justify-content:center; padding:60px 24px;
}
.login-card{
  width:100%; max-width:400px;
  background:#fff; border:1px solid var(--line); border-radius:8px;
  padding:40px 36px;
}
.login-card .brand{ margin-bottom:26px; }
.login-card h1{ font-size:22px; margin-bottom:8px; }
.login-card > p{ font-size:14.5px; color:var(--slate); margin-bottom:28px; }
.login-aside{
  flex:1; background:var(--grad-navy); color:#fff;
  display:flex; align-items:center; padding:60px;
  position:relative; overflow:hidden;
}
.login-aside::before{
  content:""; position:absolute; top:-160px; right:-140px; width:480px; height:480px;
  background:radial-gradient(circle, rgba(22,199,154,.2), transparent 65%);
}
.login-aside-inner{ position:relative; z-index:1; max-width:380px; }
.login-aside h2{ font-size:26px; margin-bottom:16px; }
.login-aside p{ color:var(--slate-soft); font-size:15px; margin-bottom:28px; }
.login-quote{ border-left:2px solid var(--teal); padding-left:18px; font-size:14.5px; color:#D6DEEA; }
.tenant-note{
  display:flex; gap:10px; align-items:flex-start;
  background:rgba(46,125,225,.08); border:1px solid rgba(46,125,225,.25);
  padding:14px 16px; border-radius:6px; margin-top:24px; font-size:13px; color:var(--ink);
}

/* ---------- Utility ---------- */
.mt-0{ margin-top:0 !important; }
.text-center{ text-align:center; }
.muted{ color:var(--slate); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .hero-grid, .two-col, .contact-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; }
  .grid-3, .grid-4{ grid-template-columns:repeat(2,1fr); }
  .plans-grid{ grid-template-columns:1fr; }
  .plan-card.featured{ transform:none; }
  .process{ grid-template-columns:repeat(2,1fr); gap:36px 0; }
  .process-step:nth-child(2)::after{ display:none; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:36px 24px; }
  .module-panel.active{ grid-template-columns:1fr; }
}
@media (max-width:760px){
  .nav-main{
    position:fixed; inset:76px 0 0 0; background:var(--paper);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:12px 24px 24px;
    transform:translateY(-12px);
    opacity:0; visibility:hidden; pointer-events:none;
    transition:opacity .18s ease, transform .18s ease;
    border-top:1px solid var(--line);
  }
  .nav-main.open{ opacity:1; visibility:visible; pointer-events:auto; transform:translateY(0); }
  .nav-main a{ width:100%; padding:14px 0; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:block; }
  .header-actions .btn-ghost{ display:none; }
  .grid-3, .grid-4{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .process{ grid-template-columns:1fr; }
  .login-aside{ display:none; }
}