:root{
  --bg:#0f1a2e; --bg2:#16243d; --card:rgba(255,255,255,.055);
  --cyan:#39c6e6; --cyan2:#1aa6c9; --blue:#0e7fb0; --teal:#5BD6E8;
  --ink:#eef4fa; --muted:#a4b5c9; --line:rgba(255,255,255,.10);
  --grad:linear-gradient(120deg,#39c6e6,#0e7fb0);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--ink);overflow-x:hidden;line-height:1.65}
h1,h2,h3,h4,.brandfont{font-family:'Sora','Inter',sans-serif;font-weight:700;line-height:1.15}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.accent{color:var(--cyan)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* animated background */
.bg-orbs{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.4;animation:float 18s ease-in-out infinite}
.orb.a{width:480px;height:480px;background:#0e7fb0;top:-120px;left:-100px}
.orb.b{width:420px;height:420px;background:#39c6e6;bottom:-140px;right:-80px;animation-delay:-6s}
.orb.c{width:300px;height:300px;background:#124a73;top:40%;left:55%;animation-delay:-10s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.1)}}
.grid-overlay{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:60px 60px;mask-image:radial-gradient(circle at 50% 0%,#000,transparent 70%);opacity:.5}
main,header,footer{position:relative;z-index:1}

/* navbar */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.35s;background:linear-gradient(180deg,rgba(15,26,46,.9),rgba(15,26,46,0))}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
header.scrolled{background:rgba(15,26,46,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.scrolled .nav{padding:12px 0}
.logo img{height:38px}
.menu{display:flex;align-items:center;gap:34px;list-style:none}
.menu a{font-weight:500;color:var(--muted);position:relative;transition:.25s;font-size:15px}
.menu a:hover,.menu a.active{color:#fff}
.menu a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);transition:.3s}
.menu a:hover::after,.menu a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:18px}
.lang{display:flex;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:30px;padding:4px}
.lang a{color:var(--muted);font:600 13px 'Inter';padding:6px 14px;border-radius:30px;cursor:pointer;transition:.25s}
.lang a.on{background:var(--grad);color:#02121a}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--grad);color:#02121a;font-weight:600;
  padding:13px 26px;border-radius:40px;border:0;cursor:pointer;transition:.3s;box-shadow:0 10px 30px -10px var(--cyan)}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px var(--cyan)}
.btn.ghost{background:transparent;color:#fff;border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--cyan);background:var(--card)}
.burger{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:140px 0 90px}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;z-index:0;pointer-events:none;transition:opacity 1.2s ease}
.hero-slide.show{opacity:1;z-index:1;pointer-events:auto}
.hero-slide::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(15,26,46,.9) 0%,rgba(15,26,46,.66) 45%,rgba(15,26,46,.28) 100%)}
.hero-slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform 7s linear}
.hero-slide.show img{transform:scale(1)}
.hero-caption{position:absolute;inset:0;z-index:2;display:flex;align-items:center;padding:140px 0 90px}
.hero-inner{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:30px;padding:8px 18px;font-size:13px;font-weight:600;color:var(--teal);margin-bottom:26px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(57,198,230,.6)}70%{box-shadow:0 0 0 12px rgba(57,198,230,0)}100%{box-shadow:0 0 0 0 rgba(57,198,230,0)}}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.6rem);font-weight:800;letter-spacing:-1px;max-width:15ch}
.hero p{color:var(--muted);font-size:1.12rem;max-width:54ch;margin:24px 0 36px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:38px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dots span{width:34px;height:4px;border-radius:4px;background:rgba(255,255,255,.2);cursor:pointer;transition:.3s}
.hero-dots span.on{background:var(--grad);width:48px}
.scroll-ind{position:absolute;bottom:34px;right:40px;z-index:3;color:var(--muted);font-size:12px;letter-spacing:2px;writing-mode:vertical-rl;display:flex;align-items:center;gap:12px}
.scroll-ind::after{content:"";width:1px;height:50px;background:linear-gradient(var(--cyan),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* sections */
section{padding:110px 0}
.sec-head{max-width:680px;margin-bottom:60px}
.sub-title{color:var(--cyan);font-weight:600;letter-spacing:3px;text-transform:uppercase;font-size:13px;display:block;margin-bottom:16px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.5px}
.sec-head.center{margin:0 auto 60px;text-align:center}

.reveal{opacity:0;transform:translateY(40px);transition:.8s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}

/* features */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 30px;transition:.35s;position:relative;overflow:hidden}
.feat::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:.35s;z-index:-1}
.feat:hover{transform:translateY(-8px);border-color:transparent}
.feat .ico{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,rgba(57,198,230,.18),rgba(14,127,176,.18));
  display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--cyan);margin-bottom:22px;transition:.35s}
.feat:hover .ico{background:rgba(255,255,255,.15);color:#fff;transform:rotate(-6deg) scale(1.05)}
.feat h3{font-size:1.18rem;margin-bottom:10px}
.feat p{color:var(--muted);font-size:.96rem}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-imgs{position:relative}
.about-imgs img{border-radius:20px;border:1px solid var(--line)}
.about-imgs .a2{position:absolute;width:55%;bottom:-40px;right:-20px;box-shadow:0 30px 60px -20px #000}
.about-badge{position:absolute;top:24px;left:-22px;background:var(--grad);color:#02121a;border-radius:16px;padding:18px 22px;box-shadow:0 20px 40px -12px var(--cyan)}
.about-badge b{font-family:'Sora','Inter';font-size:1.8rem;display:block;line-height:1}
.about-badge span{font-size:.8rem;font-weight:600}
.about-content h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:20px}
.about-content p{color:var(--muted);margin-bottom:18px}
.checks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.checks li{display:flex;gap:10px;align-items:center;font-weight:500;font-size:.95rem}
.checks i{color:var(--cyan)}

/* counters */
.counters{background:linear-gradient(120deg,rgba(14,127,176,.14),rgba(57,198,230,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.count-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;text-align:center}
.count b{font-family:'Sora','Inter';font-size:clamp(2.6rem,5vw,3.6rem);font-weight:800;display:block}
.count span{color:var(--muted);font-weight:500;letter-spacing:1px}

/* services grid */
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.serv{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;cursor:pointer;display:block}
.serv img{width:100%;height:100%;object-fit:cover;transition:.6s}
.serv:hover img{transform:scale(1.12)}
.serv::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,11,20,.95) 0%,rgba(7,11,20,.25) 55%,transparent 100%)}
.serv-body{position:absolute;left:0;right:0;bottom:0;padding:26px;z-index:2;transition:.4s}
.serv-body .num{font-family:'Sora','Inter';color:var(--cyan);font-size:.85rem;letter-spacing:2px}
.serv-body h3{font-size:1.25rem;margin:6px 0 0}
.serv-arrow{position:absolute;top:22px;right:22px;z-index:2;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:#fff;transform:translateX(8px);opacity:0;transition:.4s}
.serv:hover .serv-arrow{transform:none;opacity:1;background:var(--grad);color:#02121a}
.serv-desc{max-height:0;overflow:hidden;opacity:0;color:var(--muted);font-size:.9rem;margin-top:0;transition:.45s}
.serv:hover .serv-desc{max-height:90px;opacity:1;margin-top:10px}

/* cta band */
.cta-band{background:var(--grad);border-radius:28px;padding:60px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;color:#02121a;position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.4rem);max-width:18ch}
.cta-band .btn{background:#02121a;color:#fff;box-shadow:none}
.cta-band .btn:hover{transform:translateY(-3px)}

/* footer */
footer{background:var(--bg2);border-top:1px solid var(--line);padding:70px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
.foot-grid .logo img{height:40px;margin-bottom:20px}
.foot-grid p{color:var(--muted);font-size:.93rem}
.foot-col h4{font-size:1rem;margin-bottom:20px}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:12px;color:var(--muted);font-size:.93rem;transition:.2s}
.foot-col a:hover{color:var(--cyan)}
.foot-contact li{display:flex;gap:12px;margin-bottom:16px;color:var(--muted);font-size:.92rem}
.foot-contact i{color:var(--cyan);margin-top:4px}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.86rem}
.socials{display:flex;gap:12px}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.3s}
.socials a:hover{background:var(--grad);color:#02121a;border-color:transparent;transform:translateY(-3px)}

.to-top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;background:var(--grad);color:#02121a;
  border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(20px);transition:.3s;z-index:40;font-size:18px}
.to-top.show{opacity:1;transform:none}

/* ===== inner pages ===== */
.page-banner{position:relative;padding:180px 0 90px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,26,46,.94),rgba(15,26,46,.6))}
.page-banner img.bnr{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.page-banner h1{position:relative;font-size:clamp(2rem,4vw,3rem)}
.crumbs{position:relative;margin-top:14px;color:var(--muted);font-size:.95rem;display:flex;gap:10px;align-items:center}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{opacity:.5}

/* service detail */
.sd-grid{display:grid;grid-template-columns:330px 1fr;gap:40px;align-items:start}
.sd-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:24px}
.sd-list{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}
.sd-list a{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-radius:12px;color:var(--muted);font-weight:500;transition:.25s}
.sd-list a:hover{background:rgba(255,255,255,.04);color:#fff}
.sd-list a.active{background:var(--grad);color:#02121a}
.sd-contact{background:linear-gradient(135deg,rgba(14,127,176,.25),rgba(57,198,230,.1));border:1px solid var(--line);border-radius:18px;padding:28px}
.sd-contact h3{font-size:1.2rem;margin-bottom:18px}
.sd-contact li{display:flex;gap:12px;margin-bottom:14px;color:var(--muted);font-size:.92rem}
.sd-contact i{color:var(--cyan);margin-top:4px}
.sd-body img.lead{border-radius:18px;border:1px solid var(--line);margin-bottom:34px;width:100%}
.sd-body h2{font-size:1.9rem;margin-bottom:16px}
.sd-body p{color:var(--muted);margin-bottom:18px}
.sd-bullets{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 30px}
.sd-bullets li{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.sd-bullets i{color:var(--cyan);margin-top:5px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:38px}
.contact-card h2{font-size:1.7rem;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;margin-bottom:8px;font-size:.9rem;color:var(--muted)}
.field input,.field textarea{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;color:var(--ink);font:inherit;transition:.25s}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--cyan);background:rgba(57,198,230,.06)}
.info-list li{display:flex;gap:16px;margin-bottom:24px}
.info-list .ic{width:50px;height:50px;flex:0 0 50px;border-radius:14px;background:linear-gradient(135deg,rgba(57,198,230,.18),rgba(14,127,176,.18));display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:20px}
.info-list span{display:block;color:var(--muted);font-size:.82rem}
.info-list h5{font-size:1.02rem;margin-top:3px}
.map{margin-top:26px;border-radius:18px;overflow:hidden;border:1px solid var(--line);line-height:0}
.map iframe{width:100%;height:320px;border:0}
.alert{background:rgba(57,198,230,.12);border:1px solid var(--cyan);color:#dff6fc;padding:14px 18px;border-radius:12px;margin-bottom:22px;font-size:.95rem}
.err{color:#ff8d8d;font-size:.82rem;margin-top:6px}

@media(max-width:900px){
  .menu,.nav-right .btn{display:none}
  .burger{display:block}
  .menu.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--bg2);
    padding:20px;border-bottom:1px solid var(--line);gap:18px}
  .feat-grid,.serv-grid,.count-grid{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr;gap:80px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .sd-grid{grid-template-columns:1fr}
  .sd-side{position:static}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .feat-grid,.serv-grid,.count-grid,.checks,.foot-grid,.sd-bullets{grid-template-columns:1fr}
  section{padding:80px 0}
  .cta-band{padding:40px}
  .page-banner{padding:150px 0 70px}
}