:root{
  --bg:#0b0c10;
  --surface:#151821;
  --surface-hover:#1e2230;
  --text:#e8eaf2;
  --text-muted:#94a3b8;
  --accent:#6366f1;
  --accent-hover:#4f46e5;
  --success:#22c55e;
  --danger:#ef4444;
  --border:#252a3a;
  --shadow:0 10px 30px -10px rgba(0,0,0,0.6);
  --radius:14px;
  --transition:0.3s ease;
}
*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.12), transparent 55%), var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:url("img/bg-tech.png");
  background-size:cover;
  background-position:center;
  background-attachment:fixed;
  opacity:0.7;
}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img{max-width:100%;display:block;}
.container{
  max-width:1120px;
  margin:0 auto;
  padding:0 1.5rem;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.5rem;
  padding:0.85rem 1.5rem;
  border-radius:10px;
  font-weight:600;
  font-size:0.95rem;
  border:none;
  cursor:pointer;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition);
  font-family:inherit;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 0 0 0 rgba(99,102,241,0);
}
.btn-primary:hover{
  background:var(--accent-hover);
  transform:translateY(-2px);
  box-shadow:0 12px 24px -6px rgba(99,102,241,0.35);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}
.btn-ghost:hover{
  background:var(--surface-hover);
  border-color:var(--text-muted);
}
.btn-outline{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}
.btn-outline:hover{
  background:var(--surface-hover);
}
.btn-lg{padding:1rem 2rem;font-size:1rem;}
.btn-block{width:100%;}
.btn .dl-icon{font-size:1.1rem;}

.header{position:sticky;top:0;z-index:100;background:rgba(11,12,16,0.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}
.logo{
  font-size:1.45rem;
  font-weight:800;
  letter-spacing:-0.5px;
}
.logo span{color:var(--accent);}
.nav-links{display:flex;gap:1.75rem;}
.nav-links a{
  font-size:0.95rem;
  color:var(--text-muted);
  transition:color var(--transition);
}
.nav-links a:hover{color:var(--text);}
.nav-actions{display:flex;align-items:center;gap:0.75rem;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:28px;height:22px;position:relative;z-index:200;}
.nav-toggle span{
  display:block;position:absolute;width:100%;height:2px;background:var(--text);border-radius:2px;transition:transform var(--transition),opacity var(--transition);
}
.nav-toggle span:nth-child(1){top:0;}
.nav-toggle span:nth-child(2){top:50%;transform:translateY(-50%);}
.nav-toggle span:nth-child(3){bottom:0;}

.hero{padding:5rem 0 4rem;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-10%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(99,102,241,0.15),transparent 70%);border-radius:50%;pointer-events:none;z-index:0;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:center;
  position:relative;z-index:1;
}
.badge{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.5rem 0.9rem;
  background:rgba(99,102,241,0.12);
  color:var(--accent);
  border:1px solid rgba(99,102,241,0.3);
  border-radius:999px;
  font-size:0.85rem;
  font-weight:600;
  margin-bottom:1rem;
}
.hero h1{
  font-size:3rem;
  line-height:1.15;
  margin-bottom:1rem;
  letter-spacing:-1px;
}
.hero h1 br{display:none;}
.hero p{
  font-size:1.1rem;
  color:var(--text-muted);
  max-width:480px;
  margin-bottom:1.5rem;
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2rem;}
.hero-stats{
  display:flex;gap:2rem;
  padding-top:1.5rem;
  border-top:1px solid var(--border);
  color:var(--text-muted);
  font-size:0.9rem;
}
.hero-stats strong{color:var(--text);display:block;font-size:1.25rem;}

.hero-visual{position:relative;display:flex;flex-direction:column;gap:1rem;}
.screen-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  height:420px;
  display:flex;flex-direction:column;
}
.screen-header{
  display:flex;align-items:center;gap:8px;
  padding:12px 16px;
  background:linear-gradient(180deg,#222,#1a1a1a);
  border-bottom:1px solid var(--border);
}
.dot{width:12px;height:12px;border-radius:50%;}
.dot-red{background:#ff5f56;box-shadow:0 0 0 1px rgba(255,95,86,0.4);}
.dot-yellow{background:#ffbd2e;box-shadow:0 0 0 1px rgba(255,189,46,0.4);}
.dot-green{background:#27c93f;box-shadow:0 0 0 1px rgba(39,201,63,0.4);}
.screen-title{font-size:0.85rem;color:var(--text-muted);margin-left:8px;}
.screen-body{flex:1;position:relative;overflow:hidden;background:#0f1115;}
.desktop-bg{
  padding:1.2rem;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1rem;
  height:100%;
}
.icon{
  display:flex;flex-direction:column;align-items:center;gap:0.5rem;
  width:64px;height:64px;
  background:linear-gradient(135deg,var(--surface-hover),var(--surface));
  border:1px solid var(--border);
  border-radius:14px;
}
.ic{
  width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#a855f7);box-shadow:inset 0 0 0 1px rgba(255,255,255,0.15);
}
.icon span{font-size:0.65rem;color:var(--text-muted);text-align:center;line-height:1.1;}
.remote-bar{
  position:absolute;bottom:0;left:0;right:0;
  padding:0.75rem 1.2rem;
  background:linear-gradient(to top,rgba(0,0,0,0.7),transparent);
  display:flex;align-items:center;gap:0.75rem;font-size:0.8rem;color:#fff;
}
.status{width:8px;height:8px;background:var(--success);border-radius:50%;box-shadow:0 0 8px var(--success);}
.status-on{animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
.floating{
  position:absolute;
  display:flex;flex-direction:column;align-items:center;
  background:rgba(255,255,255,0.06);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:12px;
  padding:0.9rem 1.1rem;
  color:var(--text);
  font-size:0.85rem;
  box-shadow:var(--shadow);
  animation:float 6s ease-in-out infinite;
}
.badge-float .big{font-size:1.5rem;font-weight:800;color:var(--accent);display:block;}
.badge-float .small{font-size:0.75rem;color:var(--text-muted);}
.badge-float{top:14%;left:-90px;transform:translateX(-50%);}
.badge-float.right{top:auto;bottom:18%;right:-90px;left:auto;transform:translateX(50%);}
@keyframes float{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,-14px)}}
.badge-float.right{animation-name:floatRight;}
@keyframes floatRight{0%,100%{transform:translate(50%,0)}50%{transform:translate(50%,-14px)}}

.section{padding:5rem 0;}
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem;}
.section-head h2{font-size:2.25rem;margin-bottom:0.75rem;letter-spacing:-0.5px;}
.section-head p{color:var(--text-muted);font-size:1.05rem;}
.bg-alt{background:var(--surface);}

.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1.5rem;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:2rem;
  transition:transform var(--transition),border-color var(--transition);
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--accent);}
.feature-icon{font-size:2rem;margin-bottom:1rem;display:block;}
.feature-card h3{font-size:1.2rem;margin-bottom:0.75rem;}
.feature-card p{color:var(--text-muted);font-size:0.95rem;line-height:1.6;}

.platforms-grid{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  justify-content:center;
  margin-bottom:1.5rem;
}
.platform-card{
  padding:0.9rem 1.6rem;
  border:1px solid var(--border);
  border-radius:999px;
  background:var(--surface);
  color:var(--text);
  font-size:0.95rem;
  font-weight:500;
  transition:all var(--transition);
}
.platform-card:hover{border-color:var(--accent);color:var(--accent);background:var(--surface-hover);transform:translateY(-2px);}

.steps{
  display:flex;
  flex-wrap:wrap;
  gap:2rem;
  justify-content:center;
  max-width:900px;
  margin:0 auto;
}
.step{
  text-align:center;
  max-width:260px;
}
.step-number{
  width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;display:grid;place-items:center;
  font-size:1.25rem;font-weight:800;margin:0 auto 1rem;
}
.step h3{margin-bottom:0.6rem;font-size:1.15rem;}
.step p{color:var(--text-muted);font-size:0.95rem;}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1.5rem;
}
.plan-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:2rem 1.5rem;
  position:relative;
  display:flex;flex-direction:column;
}
.plan-card.featured{border-color:var(--accent);z-index:2;}
.plan-badge{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:0.75rem;font-weight:700;
  padding:0.25rem 0.8rem;border-radius:999px;
}
.plan-card h3{font-size:1.35rem;margin:1.2rem 0 0.4rem;}
.price{font-size:2.2rem;font-weight:800;line-height:1;margin-bottom:0.2rem;}
.price .currency{font-size:1rem;position:relative;top:-0.6em;}
.price .period{font-size:1rem;color:var(--text-muted);margin-left:0.2rem;}
.plan-features{margin:1.4rem 0;display:flex;flex-direction:column;gap:0.55rem;flex:1;}
.plan-features li{font-size:0.95rem;color:var(--text-muted);display:flex;align-items:center;gap:0.6rem;}
.plan-features li::before{content:none;}
.btn-block{margin-top:auto;}

.download-card{
  background:linear-gradient(135deg,var(--surface),#0f1115);
  border:1px solid var(--border);
  border-radius:24px;
  padding:3.5rem 2rem;
  text-align:center;
}
.download-card h2{font-size:2rem;margin-bottom:0.75rem;}
.download-card p{color:var(--text-muted);max-width:560px;margin:0 auto 1.8rem;}
.download-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem;}
.download-note{font-size:0.9rem;color:var(--text-muted);}

.faq-list{max-width:800px;margin:0 auto;}
.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:0.8rem;overflow:hidden;background:var(--surface);}
.faq-question{
  width:100%;text-align:left;padding:1.1rem 1.2rem;
  background:none;border:none;color:var(--text);font-size:1rem;
  font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  transition:background var(--transition);
}
.faq-question:hover{background:var(--surface-hover);}
.faq-question[aria-expanded="true"]{background:var(--surface-hover);border-bottom:1px solid var(--border);}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s ease;
  font-size:0.95rem;color:var(--text-muted);padding:0 1.2rem;
}
.faq-item.open .faq-answer{max-height:400px;padding:0 1.2rem 1.1rem;}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:start;
}
.contact-info h2{font-size:1.8rem;margin-bottom:0.75rem;}
.contact-info p{color:var(--text-muted);margin-bottom:1.4rem;}
.contact-item{margin-bottom:0.9rem;color:var(--text);font-size:0.98rem;}
.contact-item strong{color:var(--accent);margin-right:0.4rem;}
.form-group{margin-bottom:1rem;}
.form-group label{display:block;margin-bottom:0.4rem;font-size:0.9rem;color:var(--text-muted);}
.form-group input,.form-group textarea{
  width:100%;padding:0.85rem 1rem;border-radius:10px;
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  font-family:inherit;font-size:0.95rem;transition:border-color var(--transition);
}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);}
textarea{resize:vertical;min-height:100px;}

.footer{border-top:1px solid var(--border);padding:3rem 0;margin-top:2rem;color:var(--text-muted);}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:2rem;}
.footer-brand .logo{margin-bottom:0.5rem;display:inline-block;}
.footer-brand p{max-width:260px;font-size:0.9rem;line-height:1.5;color:var(--text-muted);}
.footer-links a{display:block;margin-bottom:0.6rem;color:var(--text);font-size:0.95rem;transition:color var(--transition);}
.footer-links a:hover{color:var(--accent);}
.footer-legal p{font-size:0.85rem;}
.footer-legal p:last-child{margin-top:0.5rem;font-size:0.8rem;opacity:0.6;}

.navbar-scrolled{background:rgba(11,12,16,0.95);}

.banner-topo{
  width:100%;
  overflow:visible;
  background:transparent;
  padding:1rem 0;
}
.slider{
  position:relative;
  width:100%;
  max-width:1200px;
  height:350px;
  margin:0 auto;
  overflow:hidden;
  background:#000;
  border-radius:16px;
  box-shadow:0 20px 40px -10px rgba(0,0,0,0.6);
}
.slider-track{
  display:flex;
  width:300%;
  height:100%;
  transition:transform 0.6s ease-in-out;
}
.slider-slide{
  flex:0 0 33.3333%;
  width:33.3333%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.banner-img{
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  display:block;
}
.slider-btn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:10;
  background:rgba(0,0,0,0.4);
  border:none;
  color:#fff;
  width:44px;
  height:44px;
  border-radius:50%;
  cursor:pointer;
  font-size:1.2rem;
  display:grid;
  place-items:center;
  transition:background var(--transition);
}
.slider-btn:hover{background:rgba(0,0,0,0.7);}
.slider-prev{left:1rem;}
.slider-next{right:1rem;}
.slider-dots{
  position:absolute;
  bottom:1rem;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:0.5rem;
  z-index:10;
}
.dot{
  width:10px;height:10px;border-radius:50%;
  background:rgba(255,255,255,0.4);
  cursor:pointer;
  transition:background var(--transition);
}
.dot.active{background:#fff;}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:2.3rem;}
  .hero-visual{order:-1;}
  .screen-card{height:340px;}
  .floating{display:none;}
  .nav-links{position:fixed;inset:72px 0 0 0;background:var(--bg);flex-direction:column;padding:2rem;gap:1.2rem;transform:translateX(100%);transition:transform 0.3s ease;border-bottom:1px solid var(--border);}
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:block;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .hero h1{font-size:1.9rem;}
  .platform-card{flex:1 1 45%;text-align:center;}
  .footer-grid{flex-direction:column;align-items:center;text-align:center;}
  .footer-links a{text-align:center;}
}