:root{
  --bg:#03060b; --panel:#07101c; --line:rgba(255,255,255,.12); --text:#f5f7fb;
  --muted:#b9c3d4; --blue:#0062ff; --blue2:#0b7cff; --metal1:#f2f2f2; --metal2:#6c737b;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif} a{color:inherit;text-decoration:none}
.site-header{position:relative;z-index:20;background:linear-gradient(180deg,#050914 0%,#03060b 100%);border-bottom:1px solid var(--line)}
.top-info{display:grid;grid-template-columns:1fr 1fr 1.1fr auto;gap:26px;align-items:center;max-width:1460px;margin:0 auto;padding:18px 24px}
.info-item{display:flex;align-items:center;gap:14px;color:var(--text)} .info-item .ico{font-size:34px;color:var(--blue2);line-height:1}.info-item b{display:block;font-size:18px;margin-bottom:3px}.info-item small{display:block;color:var(--muted);font-size:15px;line-height:1.35}.top-btn{display:block;background:linear-gradient(135deg,#0043b9,#0063ff);padding:16px 34px;border-radius:4px;text-align:center;font-size:22px;font-weight:700;box-shadow:0 8px 30px rgba(0,80,255,.25)}.top-btn small{font-size:14px;font-weight:400;color:#dce9ff}
.main-nav{max-width:1460px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:18px;min-width:450px}.brand img{width:126px;height:126px;object-fit:contain;filter:drop-shadow(0 0 18px rgba(255,255,255,.12))}.brand-text strong,.brand-text em{display:block;font-style:normal;font-weight:900;letter-spacing:1px;line-height:.93;background:linear-gradient(180deg,#fff,#a7adb5 45%,#3e444b 52%,#f4f6f8 100%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 3px 14px rgba(0,0,0,.9),0 0 1px #fff}.brand-text strong{font-size:44px}.brand-text em{font-size:31px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;font-size:18px}.nav-links a{color:#f2f2f2;padding:16px 0;border-bottom:3px solid transparent}.nav-links a:hover,.nav-links a.active{color:var(--blue2);border-bottom-color:var(--blue2)}.menu-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;font-size:24px;padding:8px 12px;border-radius:4px;margin-left:auto}
.hero{position:relative;min-height:720px;overflow:hidden;background:#02050a}.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center right;background-repeat:no-repeat;transform:scale(1.02);transition:opacity .45s ease,transform .8s ease,background-position .25s ease;opacity:1;filter:brightness(1.22) contrast(1.06) saturate(1.05)}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,#02050a 0%,rgba(2,5,10,.86) 16%,rgba(2,5,10,.48) 40%,rgba(2,5,10,.06) 72%,rgba(2,5,10,.33) 100%),linear-gradient(0deg,rgba(2,5,10,.18),rgba(2,5,10,.02))}.hero-content{position:relative;z-index:2;max-width:1460px;margin:0 auto;padding:150px 24px 170px}.slide-label{display:inline-block;background:#073fbe;padding:8px 16px;border-radius:3px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;margin-bottom:20px}.hero h1{font-size:74px;line-height:.96;margin:0 0 20px;max-width:560px;font-weight:900;letter-spacing:-1px;text-shadow:0 6px 25px rgba(0,0,0,.75)}.hero p{font-size:22px;line-height:1.38;color:#eef2f8;max-width:530px;margin:0 0 32px}.hero-actions{display:flex;gap:18px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:4px;padding:16px 34px;font-size:20px}.btn.primary{background:linear-gradient(135deg,#004bd1,#0063ff);font-weight:800}.btn.ghost{border:1px solid rgba(255,255,255,.55);background:rgba(0,0,0,.25)}.btn.call{background:linear-gradient(135deg,#5f45d8,#7f63ff);font-weight:900;box-shadow:0 0 24px rgba(127,99,255,.32)}.inline-call{color:#fff;text-decoration:none}.inline-call:hover,.plain-contact:hover{color:#6bb6ff}.plain-contact{color:#dfeaff;text-decoration:none;font-weight:700}.btn.small{font-size:16px;padding:12px 20px;margin-top:6px}.arrow{position:absolute;top:49%;z-index:3;width:56px;height:56px;border:1px solid rgba(255,255,255,.38);background:rgba(0,0,0,.28);color:#fff;font-size:50px;line-height:1;border-radius:50%;cursor:pointer}.arrow-left{left:24px}.arrow-right{right:24px}.arrow:hover{background:rgba(0,98,255,.42)}.dots{position:absolute;z-index:4;left:50%;bottom:118px;transform:translateX(-50%);display:flex;gap:14px}.dots button{width:13px;height:13px;border-radius:50%;border:0;background:#d9d9d9;opacity:.9;cursor:pointer}.dots button.active{background:var(--blue2);box-shadow:0 0 0 5px rgba(0,98,255,.15)}
.feature-strip{position:relative;z-index:5;max-width:1460px;margin:-88px auto 0;background:rgba(5,15,27,.88);backdrop-filter:blur(10px);display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:8px;overflow:hidden}.feature{display:flex;gap:18px;padding:28px 30px;border-right:1px solid var(--line)}.feature:last-child{border-right:0}.feature span{font-size:44px;color:var(--blue2)}.feature b{font-size:22px}.feature p{margin:8px 0 0;color:var(--muted);font-size:16px;line-height:1.4}
.content-section,.content-grid{max-width:1200px;margin:70px auto 0;padding:0 24px}.content-section h2{font-size:42px;margin:0 0 16px}.content-section p,.content-grid p{color:#cbd4e1;font-size:18px;line-height:1.7}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.content-grid article{background:#08101b;border:1px solid var(--line);border-radius:8px;padding:28px}.content-grid h3{font-size:26px;margin:0 0 10px}footer{border-top:1px solid var(--line);margin-top:70px;padding:24px;text-align:center;color:var(--muted)}


/* v18 tablet landscape optimization: keeps desktop navigation, but uses a calmer tablet-sized hero */
@media (min-width:721px) and (max-width:1600px){
  .top-info{display:none}
  .main-nav{padding:12px 28px;gap:22px}
  .brand{min-width:430px;gap:16px}
  .brand img{width:104px;height:104px}
  .brand-text strong{font-size:38px}
  .brand-text em{font-size:27px}
  .nav-links{gap:22px;font-size:16px}
  .nav-links a{padding:14px 0}
  .hero{min-height:610px}
  .hero-bg{background-position:center center;filter:brightness(1.14) contrast(1.06) saturate(1.03)}
  .hero-overlay{background:linear-gradient(90deg,#02050a 0%,rgba(2,5,10,.88) 18%,rgba(2,5,10,.48) 46%,rgba(2,5,10,.15) 76%,rgba(2,5,10,.42) 100%),linear-gradient(0deg,rgba(2,5,10,.22),rgba(2,5,10,.02))}
  .hero-content{max-width:1180px;padding:105px 34px 140px}
  .slide-label{font-size:14px;padding:8px 14px;margin-bottom:18px}
  .hero h1{font-size:58px;line-height:1.02;max-width:500px;margin-bottom:18px}
  .hero p{font-size:19px;line-height:1.38;max-width:510px;margin-bottom:26px}
  .btn{font-size:17px;padding:14px 28px}
  .arrow{width:50px;height:50px;font-size:44px;top:52%}
  .arrow-left{left:22px}.arrow-right{right:22px}
  .dots{bottom:94px;gap:12px}
  .feature-strip{max-width:none;margin:-72px 34px 0;grid-template-columns:repeat(4,1fr)}
  .feature{padding:20px 22px;gap:14px}
  .feature span{font-size:34px}.feature b{font-size:19px}.feature p{font-size:14.5px;line-height:1.35}
}

@media(max-width:1050px){.top-info{grid-template-columns:1fr 1fr}.top-btn{grid-column:auto}.main-nav{flex-wrap:wrap}.brand{min-width:auto}.nav-links{width:100%;justify-content:center;gap:20px;flex-wrap:wrap}.hero{min-height:690px}.hero-content{padding:28px 22px 105px;background:linear-gradient(180deg,#02050a 0%,#040914 100%)}.hero h1{font-size:56px}.feature-strip{grid-template-columns:repeat(2,1fr);margin-left:16px;margin-right:16px}.feature:nth-child(2){border-right:0}.content-grid{grid-template-columns:1fr}}
@media(max-width:720px){
  .top-info{display:none}
  .site-header{position:relative}
  .main-nav{padding:12px 14px;gap:10px}
  .brand{gap:12px;max-width:calc(100% - 72px)}
  .brand img{width:82px;height:82px}
  .brand-text strong{font-size:25px;letter-spacing:.5px}
  .brand-text em{font-size:18px;letter-spacing:.4px}
  .menu-toggle{display:block;font-size:30px;padding:11px 15px}
  .nav-links{display:none;align-items:flex-start;width:100%;padding:8px 0 12px}
  .nav-links.open{display:flex;flex-direction:column}
  .nav-links a{padding:10px 0;font-size:18px}

  .hero{min-height:auto;background:#02050a;overflow:visible}
  .hero-bg{position:relative;inset:auto;height:320px;transform:none;filter:brightness(1.15) contrast(1.06) saturate(1.05);background-size:cover;background-position:center top;background-repeat:no-repeat;background-color:#02050a}
  .hero-overlay{display:none}
  .hero-content{position:relative;z-index:2;max-width:none;margin:0;padding:20px 22px 76px;background:linear-gradient(180deg,#02050a 0%,#040914 100%)}
  .slide-label{font-size:12px;padding:7px 11px;margin-bottom:13px;max-width:100%;white-space:normal}
  .hero h1{font-size:35px;line-height:1.06;max-width:345px;margin:0 0 13px;letter-spacing:-.4px}
  .hero p{font-size:16px;line-height:1.38;max-width:350px;margin:0 0 18px}
  .hero-actions{display:flex;flex-direction:row;gap:10px;align-items:center;flex-wrap:wrap}
  .btn{font-size:15.5px;padding:12px 18px}
  .arrow{width:42px;height:42px;font-size:38px;top:288px;background:rgba(0,0,0,.44)}
  .arrow-left{left:14px}
  .arrow-right{right:14px}
  .dots{position:absolute;z-index:4;left:50%;top:292px;bottom:auto;transform:translateX(-50%);display:flex;gap:12px}
  .dots button{width:12px;height:12px}

  .feature-strip{grid-template-columns:1fr;margin:0;border-left:0;border-right:0;border-radius:0}
  .feature{padding:20px 22px;border-right:0;border-bottom:1px solid var(--line)}
  .section{padding:54px 18px}
  .cards{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center}
}
@media(max-width:420px){
  .brand img{width:74px;height:74px}
  .brand-text strong{font-size:22px}
  .brand-text em{font-size:16px}
  .hero-bg{height:300px}
  .hero-content{padding-top:20px}
  .hero h1{font-size:33px}
  .hero p{font-size:15.5px}
  .btn{width:100%;max-width:340px}
  .dots{top:274px}
  .arrow{top:270px}
}


/* v15 content sections */
.section-kicker{display:inline-block;color:#6bb6ff;text-transform:uppercase;font-weight:900;letter-spacing:.12em;font-size:13px;margin-bottom:10px}
.intro-section p,.highlight-section p,.contact-section p{max-width:940px}
.highlight-section{background:linear-gradient(135deg,rgba(0,61,170,.18),rgba(5,15,27,.72));border:1px solid var(--line);border-radius:10px;padding:34px 34px!important}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0 28px;max-width:900px}
.check-list span{display:block;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:6px;padding:13px 15px;color:#e8eef8;font-weight:700}
.section-actions{margin-top:10px;flex-wrap:wrap}.two-col{grid-template-columns:repeat(2,1fr)}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:24px}.gallery-grid img{width:100%;height:190px;object-fit:cover;border-radius:8px;border:1px solid var(--line);filter:brightness(.92) contrast(1.04)}
.legal-note{color:#9fb0c8!important;font-size:15.5px!important;border-top:1px solid var(--line);padding-top:18px;margin-top:18px}
@media(max-width:900px){.gallery-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.check-list{grid-template-columns:1fr}}
@media(max-width:720px){.content-section,.content-grid{margin-top:48px;padding-left:20px;padding-right:20px}.content-section h2{font-size:34px}.content-section p,.content-grid p{font-size:16.5px;line-height:1.6}.content-grid article{padding:22px}.highlight-section{padding:24px 20px!important;margin-left:16px;margin-right:16px}.section-actions .btn{width:100%;max-width:340px}.gallery-grid{grid-template-columns:1fr}.gallery-grid img{height:230px}}

/* v23 Viber visual emphasis */
a[href^="viber://"].btn.primary.small{background:linear-gradient(135deg,#5f45d8,#7f63ff);box-shadow:0 0 20px rgba(127,99,255,.28)}


/* v24 viber branding */
.viber-icon{width:22px;height:22px;display:inline-block;object-fit:contain;flex:0 0 22px}
.viber-btn,.viber-primary{gap:12px;display:inline-flex;align-items:center;justify-content:center}
.viber-primary{background:linear-gradient(135deg,#7360f2,#8b5cf6)!important;box-shadow:0 0 24px rgba(139,92,246,.28)}
.viber-btn{background:linear-gradient(135deg,#7360f2,#8b5cf6)!important;box-shadow:0 0 24px rgba(139,92,246,.28)}
.viber-primary:hover,.viber-btn:hover{filter:brightness(1.06)}