:root{
  --ink:#0b1220; --ink-soft:#4a5568; --line:#e3e8ef;
  --brand:#0f5ef7; --brand-dark:#0a3fb0; --accent:#00c2a8;
  --bg:#ffffff; --bg-alt:#f5f8fc; --radius:14px;
  --shadow:0 18px 40px -22px rgba(11,18,32,.35);
  --font:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
.container{width:min(1140px,92%);margin:0 auto}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
p{margin:0 0 1rem;color:var(--ink-soft)}
.btn{display:inline-block;padding:.85rem 1.6rem;border-radius:999px;font-weight:600;background:var(--brand);color:#fff;transition:.25s}
.btn:hover{background:var(--brand-dark)}
.btn.ghost{background:transparent;border:2px solid rgba(255,255,255,.6);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.15)}
.btn.dark{background:var(--ink)}
/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;gap:1rem;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.5px;color:var(--ink)}
.logo span{color:var(--brand)}
.nav ul{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav ul a{color:var(--ink-soft);font-weight:500}
.nav ul a:hover,.nav ul a.active{color:var(--brand)}
/* hero */
.hero{position:relative;color:#fff;padding:7rem 0;background:linear-gradient(120deg,rgba(10,25,60,.88),rgba(15,94,247,.75)),url('../img/network.jpg') center/cover no-repeat}
.hero p{color:rgba(255,255,255,.88);font-size:1.1rem;max-width:56ch}
.hero .tag{display:inline-block;background:rgba(255,255,255,.18);padding:.35rem 1rem;border-radius:999px;font-size:.85rem;margin-bottom:1rem}
.page-head{padding:4.5rem 0;color:#fff;background:linear-gradient(120deg,rgba(10,25,60,.9),rgba(0,194,168,.7)),url('../img/datacenter.jpg') center/cover no-repeat}
.page-head p{color:rgba(255,255,255,.9)}
section{padding:4.5rem 0}
.alt{background:var(--bg-alt)}
.center{text-align:center}
.center p{margin-inline:auto;max-width:62ch}
.grid{display:grid;gap:1.6rem}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:center}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card h3{font-size:1.15rem}
.icon{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:1rem}
.media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.media img{height:100%;object-fit:cover}
.stat{text-align:center;padding:1.5rem;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.stat strong{display:block;font-size:2rem;color:var(--brand)}
.list{list-style:none;padding:0;margin:0}
.list li{padding-left:1.7rem;position:relative;margin-bottom:.6rem;color:var(--ink-soft)}
.list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.cta{background:linear-gradient(120deg,var(--ink),var(--brand-dark));color:#fff;text-align:center}
.cta p{color:rgba(255,255,255,.85)}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{padding:1rem;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-alt)}
form{display:grid;gap:1rem}
input,select,textarea{padding:.9rem 1rem;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.row{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
footer.site{background:var(--ink);color:#cbd5e1;padding:3.5rem 0 1.5rem}
footer.site a{color:#cbd5e1}
footer.site a:hover{color:#fff}
footer .logo{color:#fff}
footer h4{color:#fff;margin:0 0 .8rem}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:.5rem}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.2rem;font-size:.9rem;text-align:center}
.team img{height:240px;object-fit:cover;border-radius:var(--radius) var(--radius) 0 0}
.team .card{padding:0;overflow:hidden}
.team .card div{padding:1.2rem}