:root {
  --bg-main: #0d0d0f;
  --bg-elevated: #111119;
  --bg-dark: #14141d;
  --text-main: #ffffff;
  --text-muted: #b3b7c3;
  --accent: #1e6bff;
  --border-subtle: #1e6bff33;
}
body[data-theme="light"] {
  --bg-main: #f5f6fa;
  --bg-elevated: #ffffff;
  --bg-dark: #e4e6f0;
  --text-main: #111119;
  --text-muted: #454a5a;
  --accent: #1e6bff;
  --border-subtle: #1e6bff44;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;font-family:system-ui,Inter,sans-serif;background:var(--bg-main);color:var(--text-main);overflow-x:hidden;}
img{max-width:100%;height:auto;display:block;}
.header{position:sticky;top:0;width:100%;background:rgba(0,0,0,.55);backdrop-filter:blur(10px);z-index:100;border-bottom:1px solid #ffffff10;}
.header-inner{max-width:1200px;width:100%;margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;align-items:center;}
.logo{font-weight:700;font-size:14px;letter-spacing:.18em;text-decoration:none;color:var(--text-main);}
.nav{display:flex;align-items:center;gap:22px;}
.nav a{text-decoration:none;color:var(--text-muted);font-size:14px;}
.nav a:hover{color:var(--accent);}
.theme-toggle{border:1px solid #ffffff33;background:transparent;border-radius:999px;padding:5px 10px;color:var(--text-main);cursor:pointer;}
.section{padding:60px 20px;}
.section-dark{background:var(--bg-dark);}
.section-inner{max-width:1200px;width:100%;margin:0 auto;}
.section h2{font-size:28px;margin-bottom:20px;}
.btn{padding:12px 22px;font-size:15px;font-weight:600;border-radius:999px;cursor:pointer;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;border:2px solid transparent;}
.btn.primary{background:var(--accent);color:#fff;}
.btn.secondary{border-color:var(--accent);color:var(--accent);}
.btn.secondary:hover{background:var(--accent);color:#fff;}
.hero,
.page-hero{
  position:relative;
  width:100%;
  min-height:calc(100vh - 80px);
  background-size:cover !important;
  background-position:center !important;
  background-repeat:no-repeat !important;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.overlay{position:absolute;inset:0;background:rgba(0,0,0,.45);}
.hero-content,
.page-hero-content{
  position:relative;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:60px 20px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero h1,
.page-hero h1{font-size:clamp(32px,4vw,48px);margin-bottom:10px;line-height:1.2;max-width:650px;}
.hero p,
.page-hero p{color:var(--text-muted);max-width:500px;margin-bottom:28px;}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;}
.section-observe{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease;overflow:hidden;}
.section-observe.show{opacity:1;transform:translateY(0);}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;}
.pillar{background:var(--bg-elevated);border-radius:16px;border:1px solid var(--border-subtle);padding:18px 20px;}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;}
.service-card{background:var(--bg-elevated);border-radius:16px;border:1px solid var(--border-subtle);overflow:hidden;}
.service-card img{width:100%;height:160px;object-fit:cover;}
.service-body{padding:16px 18px 20px;}
.sectors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;}
.sector-card{background:var(--bg-elevated);border-radius:16px;border:1px solid var(--border-subtle);padding:18px 20px;}
.about-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:30px;align-items:center;}
.about-image{border-radius:18px;min-height:260px;border:1px solid var(--border-subtle);background-size:cover;background-position:center;background-repeat:no-repeat;}
.contact-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;}
.contact-form{background:var(--bg-elevated);border-radius:18px;border:1px solid var(--border-subtle);padding:20px;}
.contact-form input,
.contact-form textarea,
.contact-form select{width:100%;margin-top:10px;padding:10px;background:#05060a;color:var(--text-main);border-radius:10px;border:1px solid #ffffff22;}
.footer{border-top:1px solid #ffffff10;padding:18px 20px;background:#020309;}
.footer-inner{max-width:1200px;width:100%;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:13px;color:var(--text-muted);}
#loader{position:fixed;inset:0;background:var(--bg-main);display:none;z-index:9999;}
.spinner{width:50px;height:50px;border:6px solid #1e6bff33;border-top-color:#1e6bff;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);animation:spin 1s linear infinite;}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg);}}
@media(max-width:900px){
  .contact-layout,
  .about-layout{grid-template-columns:1fr;}
}
@media(max-width:768px){
  .nav{width:100%;display:flex;justify-content:space-between;flex-wrap:wrap;}
  .hero,
  .page-hero{min-height:60vh;padding-top:140px;padding-bottom:80px;background-position:center top !important;}
  .hero-content,
  .page-hero-content{padding-left:16px;padding-right:16px;max-width:90%;}
  .hero-buttons{flex-direction:column;align-items:flex-start;width:100%;}
}
@media(max-width:450px){
  h1{font-size:26px;}
  .btn{width:100%;justify-content:center;}
}