/* Páginas internas Nscontrol — mesmo design system do index */
:root{
  --bg:#0a0e14;
  --bg-2:#0e131b;
  --bg-3:#121926;
  --card:#111827;
  --card-border:rgba(255,255,255,.07);
  --accent:#00a8e8;
  --accent-soft:rgba(0,168,232,.12);
  --text:#e6ebf2;
  --text-dim:#94a3b8;
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;font-weight:600;line-height:1.25}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}

/* header */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,14,20,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--card-border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand img{height:40px}
nav ul{display:flex;align-items:center;gap:34px;list-style:none}
nav a{color:var(--text-dim);font-size:.93rem;font-weight:400;transition:color .2s}
nav a:hover{color:#fff}
.btn{
  display:inline-block;font-family:'Poppins',sans-serif;font-weight:500;font-size:.92rem;
  padding:12px 26px;border-radius:10px;transition:all .25s ease;cursor:pointer;border:none;
}
.btn-primary{background:var(--accent);color:#04121b}
.btn-primary:hover{background:#33bdf0;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,168,232,.35)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
nav .btn-primary{color:#04121b}

/* hero da página */
.page-hero{
  padding:90px 0 70px;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(0,168,232,.14), transparent 55%),
    radial-gradient(ellipse at 90% 100%, rgba(0,168,232,.07), transparent 50%),
    var(--bg);
  border-bottom:1px solid var(--card-border);
}
.breadcrumb{font-size:.84rem;color:var(--text-dim);margin-bottom:26px}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--accent)}
.kicker{
  color:var(--accent);font-family:'Poppins',sans-serif;font-weight:500;
  font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;
}
.page-hero h1{font-size:clamp(1.9rem,4.2vw,3rem);color:#fff;max-width:820px;margin-bottom:20px;letter-spacing:-.01em}
.page-hero .lead{font-size:clamp(1rem,1.5vw,1.15rem);color:#c3ccd8;max-width:700px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* seções */
section.block{padding:90px 0}
section.block-alt{background:var(--bg-2);border-top:1px solid var(--card-border);border-bottom:1px solid var(--card-border)}
.section-head{max-width:680px;margin-bottom:54px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);color:#fff;margin-bottom:14px}
.section-head p{color:var(--text-dim);font-size:1rem}
.prose{max-width:780px}
.prose p{margin-bottom:18px;color:var(--text-dim)}
.prose p strong{color:var(--text);font-weight:500}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.9rem);color:#fff;margin:44px 0 16px}
.prose ul{margin:0 0 18px 2px;list-style:none}
.prose li{padding-left:22px;position:relative;margin-bottom:10px;color:var(--text-dim)}
.prose li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;background:var(--accent)}
.prose li strong{color:var(--text);font-weight:500}

/* grid de cards */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--bg-2);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:30px 26px;transition:transform .25s,border-color .25s;
}
.block-alt .card{background:var(--bg-3)}
.card:hover{transform:translateY(-4px);border-color:rgba(0,168,232,.4)}
.card h3{font-size:1.06rem;color:#fff;margin-bottom:10px;font-weight:500}
.card p{font-size:.9rem;color:var(--text-dim)}

/* etapas numeradas */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.steps.cols-3{grid-template-columns:repeat(3,1fr)}
.step{
  background:var(--bg-2);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:28px 24px;position:relative;counter-increment:step;
}
.block-alt .step{background:var(--bg-3)}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-family:'Poppins',sans-serif;font-weight:700;font-size:1.6rem;color:var(--accent);
  display:block;margin-bottom:14px;
}
.step h3{font-size:1rem;color:#fff;margin-bottom:8px;font-weight:500}
.step p{font-size:.87rem;color:var(--text-dim)}
.step p strong{color:var(--text);font-weight:500}

/* modelos (página UTM) */
.model-row{
  display:flex;align-items:center;gap:34px;
  background:var(--bg-2);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:26px 32px;margin-bottom:18px;
}
.model-row img{
  height:44px;width:auto;flex-shrink:0;
  filter:drop-shadow(0 14px 14px rgba(0,0,0,.95)) drop-shadow(0 4px 6px rgba(0,0,0,.8)) drop-shadow(0 0 24px rgba(0,168,232,.3));
}
.model-row .info h3{font-size:1.1rem;color:var(--accent);font-weight:600}
.model-row .info .sub{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}
.model-row .info p{font-size:.9rem;color:var(--text-dim);margin-top:6px}

/* telas do sistema */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:12px}
.shots img{
  border-radius:12px;border:1px solid var(--card-border);
  transition:transform .3s,border-color .3s;
}
.shots img:hover{transform:scale(1.04);border-color:rgba(0,168,232,.5)}

/* telas do sistema — vitrine 3D com hover (mesmo padrão do index) */
.screens{
  display:flex;justify-content:center;align-items:center;
  perspective:1800px;padding:20px 0 50px;
}
.screen{
  flex:0 1 380px;min-width:0;position:relative;cursor:pointer;margin:0;
  transition:transform .5s cubic-bezier(.2,.8,.25,1), filter .5s ease, z-index 0s .1s;
  transform-style:preserve-3d;
}
.screen img{
  width:100%;border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 70px rgba(0,0,0,.6);
  background:var(--bg);
}
.screen figcaption{
  position:absolute;left:50%;bottom:-40px;transform:translateX(-50%);
  white-space:nowrap;font-size:.85rem;color:var(--accent);font-weight:400;
  opacity:0;transition:opacity .4s ease, transform .4s ease;pointer-events:none;
}
.screen:nth-child(1){transform:rotateY(32deg) scale(.92);z-index:1}
.screen:nth-child(2){transform:rotateY(0) scale(1);z-index:2;margin:0 -34px}
.screen:nth-child(3){transform:rotateY(-32deg) scale(.92);z-index:1}
.screens:hover .screen:not(:hover){filter:brightness(.45) saturate(.7)}
.screens .screen:hover{
  transform:rotateY(0) scale(1.24);z-index:6;filter:none;transition-delay:0s;
}
.screens .screen:hover img{
  box-shadow:0 40px 90px rgba(0,0,0,.75), 0 0 0 1px rgba(0,168,232,.55), 0 0 60px rgba(0,168,232,.28);
}
.screens .screen:hover figcaption{opacity:1;transform:translateX(-50%) translateY(-6px)}
@media (max-width:900px){
  .screens{flex-direction:column;gap:34px;perspective:none;padding:0}
  .screen{flex:none;width:100%;max-width:560px}
  .screen:nth-child(1),.screen:nth-child(2),.screen:nth-child(3){transform:none;margin:0}
  .screens .screen:hover{transform:scale(1.03)}
  .screen figcaption{position:static;transform:none;opacity:1;margin-top:12px;text-align:center;white-space:normal}
}

/* FAQ */
.faq{max-width:820px}
.faq details{
  background:var(--bg-2);border:1px solid var(--card-border);border-radius:12px;
  padding:20px 24px;margin-bottom:14px;
}
.block-alt .faq details{background:var(--bg-3)}
.faq summary{
  cursor:pointer;font-family:'Poppins',sans-serif;font-weight:500;font-size:1rem;color:#fff;
  list-style:none;position:relative;padding-right:34px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:1.4rem;font-weight:400;transition:transform .25s;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{margin-top:14px;font-size:.92rem;color:var(--text-dim)}

/* CTA final */
.cta-band{
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0,168,232,.18), transparent 55%),
    radial-gradient(ellipse at 85% 100%, rgba(0,168,232,.12), transparent 50%),
    var(--bg-3);
  border-top:1px solid var(--card-border);border-bottom:1px solid var(--card-border);
  text-align:center;padding:90px 0;
}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);color:#fff;max-width:720px;margin:0 auto 18px}
.cta-band p{color:var(--text-dim);max-width:640px;margin:0 auto 36px}

/* footer */
footer{background:#070a0f;border-top:1px solid var(--card-border);padding:44px 0 30px;text-align:center}
footer .brand img{height:40px;margin:0 auto 18px}
footer p{color:#5b6878;font-size:.82rem}
footer .foot-links{display:flex;justify-content:center;gap:26px;flex-wrap:wrap;margin-bottom:22px}
footer .foot-links a{color:var(--text-dim);font-size:.88rem}
footer .foot-links a:hover{color:var(--accent)}

/* responsivo */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  nav ul li.hide-mobile{display:none}
  section.block{padding:70px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .model-row{flex-direction:column;text-align:center;gap:18px}
  .shots{grid-template-columns:1fr}
}