/* ---------- fonts (self-hosted, SIL OFL) ---------- */
@font-face{font-family:"Onest";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/onest-latin-400-normal.93dfb945d2.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/onest-latin-600-normal.a56e6d2dcc.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/onest-latin-700-normal.d48e1aee80.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Onest";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/onest-cyrillic-400-normal.51adb4c8c5.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/onest-cyrillic-600-normal.73984d20ad.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Onest";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/onest-cyrillic-700-normal.0fcb8fa256.woff2") format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Noto Sans Armenian";font-style:normal;font-weight:400;font-display:swap;src:url("/fonts/noto-sans-armenian-armenian-400-normal.f634ee190f.woff2") format("woff2");unicode-range:U+0308,U+0530-058F,U+2010,U+2024,U+25CC,U+FB13-FB17}
@font-face{font-family:"Noto Sans Armenian";font-style:normal;font-weight:600;font-display:swap;src:url("/fonts/noto-sans-armenian-armenian-600-normal.8d68fcb954.woff2") format("woff2");unicode-range:U+0308,U+0530-058F,U+2010,U+2024,U+25CC,U+FB13-FB17}
@font-face{font-family:"Noto Sans Armenian";font-style:normal;font-weight:700;font-display:swap;src:url("/fonts/noto-sans-armenian-armenian-700-normal.ca4e3b75dd.woff2") format("woff2");unicode-range:U+0308,U+0530-058F,U+2010,U+2024,U+25CC,U+FB13-FB17}

/* ---------- tokens ---------- */
:root{
  color-scheme:light dark;
  --bg:#ffffff; --bg-alt:#f5f5f7; --text:#1d1d1f; --muted:#6e6e73;
  --line:#d2d2d7; --link:#0066cc; --btn:#0066cc; --btn-ink:#ffffff;
  --dark:#000000; --dark-text:#f5f5f7; --dark-muted:#a1a1a6; --dark-tile:#141416;
  --nav:rgba(255,255,255,.8); --wm-filter:invert(1); --shadow:rgba(0,0,0,.18);
  --led:#1fa84a;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000000; --bg-alt:#101012; --text:#f5f5f7; --muted:#a1a1a6;
    --line:#2c2c30; --link:#3d8bff; --nav:rgba(0,0,0,.75);
    --dark:#101012; --dark-tile:#1c1c1f; --wm-filter:none; --shadow:rgba(0,0,0,.6);
    --led:#30d158;
  }
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-padding-top:64px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  background:var(--bg);color:var(--text);
  font-family:"Onest","Noto Sans Armenian",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;
  overflow-wrap:break-word;
}
img,svg{display:block;max-width:100%;height:auto}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--link);outline-offset:3px;border-radius:4px}
main:focus{outline:none}
.wrap{max-width:1024px;margin:0 auto;padding:0 22px}
.center{text-align:center}

.skip-link{position:absolute;left:12px;top:-80px;z-index:100;background:var(--btn);color:var(--btn-ink);
  padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600}
.skip-link:focus{top:12px;text-decoration:none}

/* ---------- navigation ---------- */
.nav{position:sticky;top:0;z-index:20;background:var(--nav);
  -webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line)}
.nav-in{position:relative;max-width:1024px;margin:0 auto;padding:0 22px;height:48px;
  display:flex;align-items:center;gap:20px}
.logo{font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--text);margin-right:auto}
.logo:hover{text-decoration:none}
.nav-links{list-style:none;display:flex;gap:24px}
.nav-links a{color:var(--text);font-size:13px;opacity:.8}
.nav-links a:hover{opacity:1;text-decoration:none}

.langs{list-style:none;display:flex;background:var(--bg-alt);border-radius:980px;padding:2px}
.langs a{display:block;color:var(--muted);font-size:12px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:980px}
.langs a:hover{color:var(--text);text-decoration:none}
.langs a[aria-current="page"]{background:var(--bg);color:var(--text);box-shadow:0 1px 2px var(--shadow)}

.menu{display:none}
.menu summary{list-style:none;cursor:pointer;padding:8px;margin:-8px;color:var(--text);border-radius:8px}
.menu summary::-webkit-details-marker{display:none}
.menu summary svg{width:22px;height:22px}
.menu .i-close{display:none}
.menu[open] .i-open{display:none}
.menu[open] .i-close{display:block}
.menu-panel{position:absolute;left:0;right:0;top:48px;background:var(--bg);
  border-bottom:1px solid var(--line);box-shadow:0 16px 32px -24px var(--shadow)}
.menu-panel ul{list-style:none;padding:8px 22px 16px}
.menu-panel a{display:block;padding:12px 0;color:var(--text);font-size:16px;border-bottom:1px solid var(--line)}
.menu-panel li:last-child a{border-bottom:0}
@media (max-width:760px){
  .nav-links{display:none}
  .menu{display:block}
}

/* ---------- hero ---------- */
.hero{padding:88px 0 0;overflow:hidden}
.wordmark{width:min(560px,86vw);margin:0 auto;filter:var(--wm-filter)}
.hero h1{font-size:clamp(26px,3.4vw,34px);font-weight:600;letter-spacing:-.02em;
  margin:18px auto 0;max-width:24ch;line-height:1.15}
.hero .sub{color:var(--muted);font-size:clamp(17px,2vw,21px);margin:14px auto 0;max-width:42ch}
.cta{display:flex;gap:16px 28px;justify-content:center;align-items:center;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--btn);color:var(--btn-ink);padding:11px 22px;border-radius:980px;
  font-size:17px;transition:filter .2s ease,transform .2s ease}
.btn:hover{text-decoration:none;filter:brightness(1.1)}
.btn:active{transform:scale(.97)}

.rack{list-style:none;margin:64px auto 0;width:min(680px,100%);display:grid;gap:10px;text-align:left}
.unit{min-height:44px;border-radius:12px;background:var(--bg-alt);border:1px solid var(--line);
  display:flex;align-items:center;padding:10px 18px;gap:14px}
.led{flex:none;width:8px;height:8px;border-radius:50%;background:var(--led);box-shadow:0 0 8px var(--led)}
.unit .name{font-size:14px;font-weight:600;white-space:nowrap}
.unit .role{font-size:13px;color:var(--muted);margin-left:auto;text-align:right}
.bays{display:flex;gap:4px;flex:none}
.bays i{display:block;width:22px;height:6px;border-radius:3px;background:var(--line)}
@media (max-width:640px){.bays{display:none}}
@media (max-width:420px){.unit{flex-wrap:wrap;gap:4px 12px}.unit .role{flex-basis:100%;margin-left:20px;text-align:left}}

/* ---------- sections ---------- */
.section{padding:112px 0}
.h2{font-size:clamp(36px,6vw,64px);font-weight:700;letter-spacing:-.04em;line-height:1.05}
.intro{color:var(--muted);font-size:clamp(19px,2.2vw,24px);max-width:38ch;margin:16px auto 0;line-height:1.35}
.alt{background:var(--bg-alt)}

.dark{background:var(--dark);color:var(--dark-text)}
.dark .intro{color:var(--dark-muted)}
.dark :focus-visible{outline-color:#3d8bff}
.modes{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:64px;text-align:left}
.mode{background:var(--dark-tile);border-radius:22px;padding:34px 28px}
.mode h3{font-size:28px;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.mode p{color:var(--dark-muted);margin-top:10px;font-size:16px}
@media (max-width:760px){.modes{grid-template-columns:1fr}}

.tiles{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:64px}
.tile{min-width:0;background:var(--bg);border-radius:26px;padding:32px;border:1px solid transparent;
  display:flex;flex-direction:column;align-items:flex-start}
.tile.w3{grid-column:span 3}
.tile.w2{grid-column:span 2}
.tile h3{font-size:clamp(22px,2.4vw,28px);font-weight:700;letter-spacing:-.025em;line-height:1.1}
.tile p{color:var(--muted);margin-top:8px;max-width:40ch;font-size:16px}
.tools{list-style:none;margin-top:auto;padding-top:24px;font-size:13px;display:flex;flex-wrap:wrap;gap:6px}
.tools li{border:1px solid var(--line);border-radius:980px;padding:3px 10px;transition:border-color .25s ease}
@media (max-width:860px){.tile.w2{grid-column:span 3}}
@media (max-width:600px){.tile.w3,.tile.w2{grid-column:span 6}.tile{padding:28px 24px}}

.clients{list-style:none;display:flex;justify-content:center;margin-top:56px}
.client{background:#ffffff;border:1px solid var(--line);border-radius:26px;padding:44px 56px;
  display:flex;flex-direction:column;align-items:center;gap:18px;width:min(460px,100%)}
.client img{width:100%;max-width:320px}
.client span{color:#6e6e73;font-size:14px}
@media (max-width:480px){.client{padding:32px 28px}}

.about{display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:center}
.portrait{aspect-ratio:4/5;border-radius:30px;background:var(--bg);border:1px solid var(--line);
  display:grid;place-items:center;font-size:120px;font-weight:700;letter-spacing:-.06em;color:var(--line)}
.about h2{font-size:clamp(34px,5vw,52px);font-weight:700;letter-spacing:-.035em;line-height:1.05}
.about p{color:var(--muted);font-size:19px;margin-top:18px;max-width:46ch}
@media (max-width:760px){.about{grid-template-columns:1fr;gap:36px}.portrait{max-width:320px;width:100%}}

.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:64px;counter-reset:s}
.steps li{counter-increment:s;border-top:2px solid var(--text);padding-top:18px}
.steps li::before{content:counter(s);display:block;font-size:44px;font-weight:700;letter-spacing:-.04em;line-height:1}
.steps h3{font-size:20px;margin-top:14px;letter-spacing:-.01em}
.steps p{color:var(--muted);font-size:15px;margin-top:6px}
@media (max-width:760px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:440px){.steps{grid-template-columns:1fr}}

.contact .h2{font-size:clamp(40px,8vw,88px)}
.mail{display:inline-block;margin-top:28px;font-size:clamp(24px,3.4vw,34px);font-weight:600}

.footer{border-top:1px solid var(--line);padding:22px 0;color:var(--muted);font-size:12px}

/* 404 */
.nf{min-height:70vh;display:grid;place-items:center;padding:80px 0}
.nf .code{font-size:clamp(80px,18vw,160px);font-weight:700;letter-spacing:-.05em;line-height:1}
.nf-list{list-style:none;display:grid;gap:18px;margin-top:32px}
.nf-list h1{font-size:clamp(24px,4vw,32px);font-weight:700;letter-spacing:-.02em}
.nf-list p{color:var(--muted);margin-top:6px}
.nf-list .btn{margin-top:10px;font-size:15px;padding:8px 18px}

/* ---------- motion ---------- */
@media (prefers-reduced-motion:no-preference){
  .unit{opacity:0;transform:translateY(24px);animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
  .unit:nth-child(1){animation-delay:.15s}
  .unit:nth-child(2){animation-delay:.3s}
  .unit:nth-child(3){animation-delay:.45s}
  .unit:nth-child(4){animation-delay:.6s}
  .unit:nth-child(5){animation-delay:.75s}
  .led{animation:pulse 2.8s ease-in-out infinite}
  .unit:nth-child(2) .led{animation-delay:.5s}
  .unit:nth-child(3) .led{animation-delay:1s}
  .unit:nth-child(4) .led{animation-delay:1.5s}
  .unit:nth-child(5) .led{animation-delay:2s}

  .reveal-on .reveal{opacity:0;transform:translateY(18px);
    transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
  .reveal-on .reveal.in{opacity:1;transform:none}

  .tile,.mode{transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s ease,box-shadow .35s ease,opacity .7s ease}
}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

@media (hover:hover) and (pointer:fine){
  .tile:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 12px 32px -18px var(--shadow)}
  .tile:hover .tools li{border-color:var(--muted)}
  .mode:hover{transform:translateY(-4px)}
}
@media (prefers-reduced-motion:reduce){
  .tile:hover,.mode:hover{transform:none}
}

/* ---------- print ---------- */
@media print{
  :root{--bg:#fff;--bg-alt:#fff;--text:#000;--muted:#333;--dark:#fff;--dark-text:#000;--dark-muted:#333;--dark-tile:#fff;--wm-filter:invert(1)}
  .nav,.skip-link,.rack,.cta{display:none!important}
  .reveal,.unit{opacity:1!important;transform:none!important}
  .section{padding:32px 0}
  .tile,.mode,.client{break-inside:avoid;border:1px solid #ccc;box-shadow:none}
  a{color:#000}
}