:root{
  --floor:#EEF1F3;      /* raised-floor tile */
  --panel:#FFFFFF;
  --ink:#15202B;        /* cabinet graphite */
  --steel:#566573;
  --line:#CBD3DA;
  --cobalt:#1747C9;     /* cable blue */
  --cobalt-dark:#103598;
  --amber:#E39A12;
  --ok:#2E9E5B;
  --rack:#1A232C;
  --rack-face:#33414D;
  --rack-blank:#202A33;
  --u:14px;
  --wrap:1180px;
  --sans:"Helvetica Neue","Segoe UI","Noto Sans Armenian","Noto Sans","Sylfaen","Mshtakan",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--floor);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6}
html[data-lang="en"] .hy,html[data-lang="hy"] .en{display:none !important}
html[data-lang="hy"] body{line-height:1.65}
a{color:var(--cobalt)}
a:hover{color:var(--cobalt-dark)}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:10}
.skip:focus{left:12px;top:12px}

/* header */
.top{position:sticky;top:0;z-index:5;background:rgba(238,241,243,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:28px;height:64px}
.mark{font-weight:800;letter-spacing:.04em;font-size:18px;color:var(--ink);text-decoration:none;white-space:nowrap}
.mark small{font-weight:500;color:var(--steel);font-size:13px;letter-spacing:.02em;margin-left:6px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-size:15px}
.nav a:hover{color:var(--cobalt)}
.lang{font:inherit;font-size:14px;background:none;border:1px solid var(--ink);color:var(--ink);padding:5px 12px;border-radius:3px;cursor:pointer}
.lang:hover{background:var(--ink);color:#fff}

/* hero */
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:72px;align-items:start;padding-top:84px;padding-bottom:96px}
h1{font-size:clamp(38px,5.4vw,68px);line-height:1.04;letter-spacing:-.025em;font-weight:800;margin:0 0 28px;max-width:13em}
html[data-lang="hy"] h1{letter-spacing:-.01em;line-height:1.12;font-size:clamp(32px,4.6vw,58px)}
.lede{font-size:20px;color:var(--steel);max-width:34em;margin:0 0 36px}
.actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{display:inline-block;background:var(--cobalt);color:#fff;text-decoration:none;padding:14px 22px;border-radius:3px;font-weight:600;font-size:16px}
.btn:hover{background:var(--cobalt-dark);color:#fff}
.btn.ghost{background:none;color:var(--ink);border:1px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}

/* rack elevation */
.elev{position:relative}
.rack{background:var(--rack);border-radius:6px 6px 2px 2px;padding:14px 12px 16px;box-shadow:0 24px 40px -22px rgba(21,32,43,.55)}
.rack-head{display:flex;justify-content:space-between;color:#9FB0BF;font-size:12px;padding:0 4px 10px}
.rack-body{display:grid;grid-template-columns:22px 1fr 22px;gap:0}
.ruler{display:flex;flex-direction:column}
.ruler span{height:var(--u);line-height:var(--u);font-size:9px;color:#70808E;text-align:center;font-variant-numeric:tabular-nums}
.slots{display:flex;flex-direction:column;background:#10171D;border-left:3px solid #38454F;border-right:3px solid #38454F}
.dev{display:block;width:100%;padding:0;margin:0;border:0;border-bottom:1px solid #10171D;background:var(--rack-face);position:relative;cursor:pointer;font:inherit;color:inherit}
.dev.blank{background:var(--rack-blank);cursor:default}
.dev:hover:not(.blank),.dev[aria-pressed="true"]{box-shadow:inset 0 0 0 2px #7FA2FF;z-index:1}
.dev:focus-visible{outline:2px solid #fff;outline-offset:-2px}
.dev i{position:absolute;right:7px;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:50%;background:var(--ok)}
.dev.warn i{background:var(--amber);animation:blink 1.4s steps(2,start) infinite}
.dev.server{background-image:repeating-linear-gradient(90deg,transparent 0 9px,rgba(0,0,0,.35) 9px 11px);background-size:72% 60%;background-repeat:no-repeat;background-position:8px 50%}
.dev.switch{background-image:radial-gradient(circle,#0C1116 1.6px,transparent 2px);background-size:9px 7px;background-position:8px 50%;background-repeat:repeat-x}
.dev.storage{background-image:linear-gradient(rgba(0,0,0,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.4) 1px,transparent 1px);background-size:100% 25%,8.33% 100%}
.dev.gpu{background-image:repeating-linear-gradient(135deg,transparent 0 4px,rgba(0,0,0,.35) 4px 6px)}
.dev.patch{background-image:repeating-linear-gradient(90deg,#0C1116 0 5px,transparent 5px 9px);background-size:86% 40%;background-repeat:no-repeat;background-position:8px 50%}
.dev.ups{background:#34414C}
.dev.kvm{background:#303C47}
@keyframes blink{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.dev.warn i{animation:none}html{scroll-behavior:auto}}

.readout{background:var(--panel);border:1px solid var(--line);border-top:0;border-radius:0 0 6px 6px;padding:14px 16px 12px}
.readout dl{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px;margin:0}
.readout dt{font-size:12px;color:var(--steel)}
.readout dd{margin:0;font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.readout dd.warn{color:#A96A00}
.readout dd.ok{color:#1F7A44}
.note{font-size:12px;color:var(--steel);margin:10px 0 0}

/* sections */
section{border-top:1px solid var(--line)}
.sec{padding-top:88px;padding-bottom:88px}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.12;letter-spacing:-.02em;margin:0 0 18px;font-weight:800;max-width:18em}
html[data-lang="hy"] h2{letter-spacing:-.01em;line-height:1.2}
.intro{color:var(--steel);max-width:40em;margin:0 0 52px;font-size:19px}
.caps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 64px;margin:0}
.caps div{border-top:1px solid var(--line);padding:22px 0 26px}
.caps dt{font-weight:700;font-size:19px;margin-bottom:6px}
.caps dd{margin:0;color:var(--steel);max-width:32em}
.deploy{margin-top:40px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--cobalt);padding:22px 26px;max-width:52em}
.deploy p{margin:0}

.white{background:var(--panel)}
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px}
.cols h3{font-size:19px;margin:0 0 8px}
.cols p{margin:0;color:var(--steel)}

.facts{width:100%;border-collapse:collapse;max-width:760px}
.facts th,.facts td{text-align:left;padding:16px 0;border-top:1px solid var(--line);vertical-align:top}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:1px solid var(--line)}
.facts th{width:34%;font-weight:500;color:var(--steel);padding-right:20px}
.facts td{font-weight:600}

.contact{background:var(--ink);color:#fff;border-top:0}
.contact h2{color:#fff}
.contact .intro{color:#AEBBC7}
.mails{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;max-width:900px}
.mails p{margin:0 0 6px;color:#AEBBC7;font-size:15px}
.mails a{color:#fff;font-size:clamp(20px,2.6vw,30px);font-weight:700;text-decoration:underline;text-decoration-color:#5B83FF;text-underline-offset:6px;word-break:break-all}
.mails a:hover{color:#BFD0FF}
.contact :focus-visible{outline-color:#fff}

footer{background:var(--ink);color:#8C9BA8;font-size:14px;border-top:1px solid #2B3844}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between;padding-top:24px;padding-bottom:28px}
footer a{color:#C6D1DB}

@media (max-width:920px){
  .hero .wrap{grid-template-columns:1fr;gap:48px;padding-top:56px;padding-bottom:64px}
  .elev{max-width:340px}
  .caps,.cols,.mails{grid-template-columns:1fr}
  .cols{gap:32px}
  .sec{padding-top:64px;padding-bottom:64px}
}
@media (max-width:640px){
  body{font-size:16px}
  .lang{margin-left:auto}
  .wrap{padding-left:20px;padding-right:20px}
  .lede{font-size:18px}
  :root{--u:12px}
}

/* multi-page additions */
.nav a[aria-current="page"]{color:var(--cobalt);box-shadow:0 2px 0 var(--cobalt)}
.pagehead .wrap{padding-top:76px;padding-bottom:60px}
.pagehead h1{font-size:clamp(34px,4.6vw,56px);max-width:16em;margin-bottom:22px}
html[data-lang="hy"] .pagehead h1{font-size:clamp(30px,4vw,48px)}
.pagehead .lede{margin:0;max-width:38em}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px}
.duo>div{border-top:3px solid var(--ink);padding-top:22px}
.duo h3{font-size:26px;line-height:1.2;margin:0 0 12px;letter-spacing:-.01em}
.duo p{margin:0 0 18px;color:var(--steel);max-width:30em}
.more{font-weight:600;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px}
.more::after{content:" \2192"}
.steps{list-style:none;margin:0;padding:0;counter-reset:s;max-width:820px}
.steps li{counter-increment:s;display:grid;grid-template-columns:56px 1fr;border-top:1px solid var(--line);padding:22px 0 24px}
.steps li::before{content:counter(s);font-size:28px;font-weight:800;color:var(--cobalt);line-height:1.1;font-variant-numeric:tabular-nums}
.steps h3{font-size:19px;margin:0 0 4px}
.steps p{margin:0;color:var(--steel);max-width:36em}
.plain{max-width:44em;color:var(--steel);font-size:19px;margin:0 0 18px}
.deploy p+p{margin-top:12px}
.addr{color:#fff;font-size:19px;font-weight:600;font-style:normal;line-height:1.5}
@media (max-width:920px){.duo{grid-template-columns:1fr;gap:40px}}
@media (max-width:640px){
  .top .wrap{height:auto;flex-wrap:wrap;gap:0 16px;padding-top:14px}
  .nav{order:3;width:100%;margin:0;flex-wrap:wrap;gap:6px 20px;padding:12px 0 12px}
  .nav a{white-space:nowrap;font-size:14px}
  .pagehead .wrap{padding-top:48px;padding-bottom:40px}
  .steps li{grid-template-columns:40px 1fr}
}