:root{
  --bg:#08111f; --line:rgba(255,255,255,.14); --text:#eef4ff; --muted:#b8c4d9;
  --accent:#77d8ff; --accent2:#6ff0c3; --dark:#07101d; --shadow:0 18px 50px rgba(0,0,0,.28);
  --radius:22px; --max:1180px; --header:88px; --header2:88px; --logo:100px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{
  margin:0; color:var(--text); line-height:1.6;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:
    radial-gradient(circle at 14% 12%, rgba(119,216,255,.16), transparent 20%),
    radial-gradient(circle at 84% 10%, rgba(111,240,195,.10), transparent 18%),
    linear-gradient(180deg, #06101d 0%, #0b1830 50%, #08111f 100%);
}
a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
.container{width:min(calc(100% - 32px), var(--max));margin:0 auto}

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:1000;
  background:rgba(8,17,31,.92);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:.28s ease;
  backdrop-filter:blur(14px);
}
.site-header.scrolled{
  background:rgba(8,17,31,.92);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 26px rgba(0,0,0,.16);
  backdrop-filter:blur(14px);
}

.nav-wrap{
  min-height:var(--header);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  transition:.28s ease;
}
.site-header.scrolled .nav-wrap{
  min-height:var(--header);
}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{
  width:var(--logo);
  height:var(--logo);
  object-fit:contain;
  transition:none;
}
.site-header.scrolled .brand-logo{
  width:var(--logo);
  height:var(--logo);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:1rem;letter-spacing:.08em;text-transform:uppercase;line-height:1.05}
.brand-text span{font-size:.8rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Top nav */
.top-nav{
  display:flex;
  align-items:center;
  gap:22px;
}
.top-nav > a,
.top-nav .nav-item > a{
  color:var(--muted);
  font-weight:600;
  font-size:.96rem;
  display:inline-flex;
  align-items:center;
}
.top-nav > a:hover,
.top-nav > a.active,
.top-nav .nav-item > a:hover,
.top-nav .nav-item > a.active,
.top-nav .nav-item.open > a{
  color:var(--text);
}

/* Dropdown */
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
}
.has-dropdown .dropdown-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.has-dropdown .dropdown-toggle::after{
  content:"";
  width:8px;
  height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
  transition:transform .2s ease;
  margin-left:2px;
}
.has-dropdown.open .dropdown-toggle::after{
  transform:rotate(-135deg) translateY(-1px);
}
.submenu{
  position:absolute;
  top:calc(100% + 12px);
  left:0;
  min-width:220px;
  margin:0;
  padding:10px 0;
  list-style:none;
  border-radius:14px;
  background:rgba(8,17,31,.98);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 40px rgba(0,0,0,.28);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .22s ease, transform .22s ease, visibility .22s ease;
  z-index:1200;
}
.has-dropdown.open .submenu{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.submenu li{
  margin:0;
  padding:0;
}
.submenu a{
  display:block;
  padding:10px 16px;
  color:var(--muted);
  font-size:.94rem;
  white-space:nowrap;
}
.submenu a:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
}

.header-actions{display:flex;align-items:center;gap:12px}
.lang-switch{display:inline-flex;align-items:center;padding:4px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04)}
.lang-switch a{padding:8px 12px;border-radius:999px;font-size:.9rem;color:var(--muted)}
.lang-switch a.active{color:var(--dark);background:linear-gradient(135deg,var(--accent),var(--accent2));font-weight:700}
.menu-toggle{display:none;border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.04);border-radius:12px;min-height:42px;padding:0 12px;font:inherit}

.hero{position:relative;padding:180px 0 84px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%, rgba(119,216,255,.12), transparent 18%),radial-gradient(circle at 30% 70%, rgba(111,240,195,.08), transparent 20%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.page-hero{padding:150px 0 34px}
.eyebrow{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(119,216,255,.10);color:#a7ebff;border:1px solid rgba(119,216,255,.20);font-size:.85rem;margin-bottom:18px}
.hero h1,.page-hero h1{font-size:clamp(2.3rem,4.8vw,4.75rem);line-height:1.02;margin:0 0 18px;letter-spacing:-.035em}
.hero p,.page-hero p{color:var(--muted);font-size:1.08rem;max-width:760px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.18s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#031019;background:linear-gradient(135deg,var(--accent),#41b7ff);box-shadow:0 14px 34px rgba(119,216,255,.24)}
.btn-secondary{background:rgba(255,255,255,.04);border-color:var(--line)}
.hero-panel,.card,.contact-card,.metric-card,.timeline-item,.feature-card{background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-panel{min-height:430px;padding:24px;position:relative;overflow:hidden}
.stack{position:absolute;inset:0;display:grid;place-items:center}
.stack-layer{position:absolute;width:74%;height:58px;border-radius:18px;border:1px solid rgba(255,255,255,.18);box-shadow:0 12px 30px rgba(0,0,0,.18);backdrop-filter:blur(8px)}
.stack-layer:nth-child(1){transform:translateY(-112px) rotate(-7deg);background:rgba(111,240,195,.16)}
.stack-layer:nth-child(2){transform:translateY(-44px) rotate(5deg);background:rgba(119,216,255,.14)}
.stack-layer:nth-child(3){transform:translateY(26px) rotate(-4deg);background:rgba(255,255,255,.08)}
.stack-layer:nth-child(4){transform:translateY(96px) rotate(7deg);background:rgba(119,216,255,.18)}
.floating-note{position:absolute;right:20px;bottom:20px;width:min(290px,82%);padding:18px;border-radius:18px;background:rgba(8,17,31,.74);border:1px solid rgba(255,255,255,.14)}
.floating-note h3{margin:0 0 8px;font-size:1.05rem}.floating-note p{margin:0;color:var(--muted);font-size:.95rem}
.section{padding:30px 0 82px}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}
.section-head h2{margin:0;font-size:clamp(1.7rem,3vw,2.7rem);letter-spacing:-.025em}
.grid-2,.grid-3,.grid-4,.contact-grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)} .grid-3{grid-template-columns:repeat(3,1fr)} .grid-4{grid-template-columns:repeat(4,1fr)} .contact-grid{grid-template-columns:.95fr 1.05fr}
.card,.feature-card,.contact-card,.timeline-item,.metric-card{padding:22px}
.card h3,.feature-card h3,.contact-card h3,.timeline-item h3{margin:0 0 10px}
.card p,.feature-card p,.contact-card p,.timeline-item p{margin:0;color:var(--muted)}
.card ul,.feature-card ul,.clean-list{margin:14px 0 0;padding-left:18px;color:var(--muted)}
.clean-list{list-style:none;padding:0;margin:0}
.clean-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)} .clean-list li:last-child{border-bottom:0}
.label{display:inline-flex;width:44px;height:44px;border-radius:14px;align-items:center;justify-content:center;background:linear-gradient(135deg, rgba(119,216,255,.16), rgba(111,240,195,.12));border:1px solid rgba(255,255,255,.12);font-weight:800;margin-bottom:16px}
.metric-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.metric-row:last-child{border-bottom:0} .metric-row strong{font-size:1.2rem} .metric-row span{color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);color:var(--muted);font-size:.9rem}
.timeline{display:grid;gap:16px}
.notice{font-size:.93rem;color:var(--muted)}
.contact-form label{display:block;margin-bottom:8px;font-weight:600}
.contact-form input,.contact-form textarea{width:100%;padding:13px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:var(--text);font:inherit;margin-bottom:16px}
.contact-form textarea{min-height:160px;resize:vertical}
footer{padding:28px 0 42px;border-top:1px solid rgba(255,255,255,.08);color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px}
.footer-grid h4{margin:0 0 8px;color:var(--text)} .footer-grid p{margin:0}
.footer-links a{display:block;margin-bottom:6px;color:var(--muted)}
.footer-bottom{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);font-size:.92rem}

@media (max-width:1020px){
  :root{--logo:125px}
  .hero-grid,.grid-2,.grid-3,.grid-4,.contact-grid,.footer-grid{grid-template-columns:1fr}
}

@media (max-width:920px){
  :root{--header:82px;--header2:82px;--logo:109px}

  .menu-toggle{display:inline-flex}
  .header-actions{gap:8px; flex-shrink:0}
  .lang-switch a{padding:8px 11px;font-size:.88rem}
  .top-nav{
    position:absolute;
    left:16px;
    right:16px;
    top:calc(var(--header) - 6px);
    display:none;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    padding:16px;
    border-radius:18px;
    background:rgba(8,17,31,.96);
    border:1px solid var(--line)
  }
  .site-header.scrolled .top-nav{
    top:calc(var(--header) - 6px);
  }
  .top-nav.open{display:flex}

  .top-nav > a,
  .top-nav .nav-item > a{
    width:100%;
    min-height:46px;
    justify-content:flex-start;
    padding:6px 0;
    font-size:1rem;
  }

  .nav-item{
    width:100%;
    display:block;
  }
  .top-nav .nav-item > a{
    width:100%;
    justify-content:flex-start;
  }
  .submenu{
    position:static;
    min-width:100%;
    margin-top:6px;
    padding:6px 0 0 12px;
    border:none;
    box-shadow:none;
    background:transparent;
    opacity:1;
    visibility:visible;
    transform:none;
    display:none;
  }
  .has-dropdown.open .submenu{
    display:block;
  }
  .submenu a{
    padding:10px 0;
    min-height:42px;
    font-size:.96rem;
  }
}

@media (max-width:640px){
  :root{--logo:94px}
  .brand-text span{font-size:.72rem;white-space:normal}
  .hero{padding-top:160px}
  .page-hero{padding-top:138px}
  .lang-switch a{padding:7px 10px;font-size:.84rem}
}

/* ===== Right-side hamburger button ===== */
.menu-toggle{
  display:none;
  width:44px;
  min-width:44px;
  height:44px;
  padding:0;
  border:none;
  background:transparent;
  color:var(--text);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  cursor:pointer;
  border-radius:10px;
}

.menu-toggle .bar{
  display:block;
  width:20px;
  height:2px;
  border-radius:999px;
  background:currentColor;
  margin:2px 0;
  transition:transform .22s ease, opacity .22s ease;
}

.menu-toggle.open .bar:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.menu-toggle.open .bar:nth-child(2){
  opacity:0;
}
.menu-toggle.open .bar:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}

@media (min-width:921px){
  .menu-toggle{
    display:none !important;
  }
}

@media (max-width:920px){
  .menu-toggle{
    display:inline-flex;
  }
}

/* ===== Products submenu arrow button ===== */
.submenu-toggle{
  display:none;
  width:32px;
  min-width:32px;
  height:32px;
  margin-left:8px;
  padding:0;
  border:none;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  position:relative;
  border-radius:8px;
}

.submenu-toggle::before,
.submenu-toggle::after{
  content:"";
  position:absolute;
  top:15px;
  width:8px;
  height:2px;
  background:currentColor;
  transition:transform .2s ease;
}

.submenu-toggle::before{
  left:9px;
  transform:rotate(45deg);
}

.submenu-toggle::after{
  right:9px;
  transform:rotate(-45deg);
}

.nav-item.open > .submenu-toggle::before{
  transform:rotate(-45deg);
}

.nav-item.open > .submenu-toggle::after{
  transform:rotate(45deg);
}

/* Small screen nav layout */
@media (max-width:920px){
  .nav-item.has-dropdown{
    width:100%;
    display:flex;
    align-items:center;
    flex-wrap:wrap;
  }

  .nav-item.has-dropdown > a{
    flex:1 1 auto;
    width:auto;
  }

  .submenu-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px;
    min-width:36px;
    height:36px;
  }

  .nav-item.has-dropdown > .submenu{
    width:100%;
  }
}