*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#0a0f17;--bg-2:#0f1620;--bg-3:#161e2c;--panel:#1a2333;--panel-2:#212c40;
  --line:#1f293a;--line-2:#2c3a52;
  --ink:#dfe7f0;--ink-2:#9aa7bc;--ink-3:#5e6c83;
  --cyan:#22d3ee;--cyan-d:#0e9aae;--steel:#4a8dd6;--steel-d:#2966a8;
  --neon:#67e8f9;
  --glow:rgba(34,211,238,.16);--node:rgba(34,211,238,.28);
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --sans:'Inter','Helvetica Neue',sans-serif;
  --display:'Sora','Inter',sans-serif;
  --maxw:1340px;
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;
  background-image:
    radial-gradient(900px 600px at 80% -10%,rgba(34,211,238,.07),transparent 60%),
    radial-gradient(700px 500px at -10% 30%,rgba(74,141,214,.06),transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--neon)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;letter-spacing:-.02em;line-height:1.1;color:#fff;margin:0}
h1{font-size:clamp(2.5rem,5.6vw,4.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.9rem)}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0 0 14px;color:var(--ink-2)}
/* HEADER */
.hdr{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(10,15,23,.82);border-bottom:1px solid var(--line)}
.hdr-row{display:flex;align-items:center;justify-content:space-between;height:66px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;letter-spacing:.08em;color:#fff;font-size:1.05rem;text-transform:uppercase}
.brand .logo{width:28px;height:28px}
.brand .ix{font-family:var(--mono);font-size:9px;color:var(--cyan);letter-spacing:.22em;background:rgba(34,211,238,.08);border:1px solid var(--cyan-d);padding:2px 7px;margin-left:6px;border-radius:3px}
.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav a{padding:8px 12px;color:var(--ink-2);font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;border-radius:3px;position:relative;transition:.2s}
.nav a::before{content:"";position:absolute;left:50%;bottom:2px;width:0;height:1px;background:var(--cyan);transition:.2s;transform:translateX(-50%)}
.nav a:hover{color:#fff}
.nav a:hover::before{width:60%}
.nav a.active{color:var(--cyan)}
.nav a.active::before{width:60%}
.burger{display:none;background:none;border:1px solid var(--line-2);color:var(--ink);padding:8px 12px;border-radius:3px;cursor:pointer;font-family:var(--mono);font-size:11px}
/* HERO */
.hero{padding:90px 0 80px;position:relative;border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(74,141,214,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(74,141,214,.04) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;mask:radial-gradient(circle at 50% 30%,#000,transparent 75%)}
.hero .container{position:relative;z-index:1}
.hero .meta-row{display:flex;justify-content:space-between;gap:24px;margin-bottom:36px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--ink-3);text-transform:uppercase;flex-wrap:wrap}
.hero .meta-row span{display:flex;align-items:center;gap:8px}
.hero .meta-row span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.hero h1{max-width:1000px;margin-bottom:24px}
.hero h1 em{color:var(--cyan);font-style:normal;background:linear-gradient(90deg,var(--cyan),var(--steel));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:700px;font-size:1.12rem;color:var(--ink-2)}
.cta-row{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;padding:14px 22px;border-radius:4px;border:1px solid var(--cyan);background:linear-gradient(135deg,var(--cyan),var(--steel));color:#0a0f17;font-weight:600;transition:.2s;cursor:pointer;box-shadow:0 0 0 0 var(--glow)}
.btn:hover{box-shadow:0 0 0 8px transparent,0 6px 24px rgba(34,211,238,.25);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
/* NODE NETWORK (hero panel) */
.node-grid{margin-top:60px;display:grid;grid-template-columns:repeat(6,1fr);gap:2px;border:1px solid var(--line);background:var(--line)}
.node{background:var(--bg-2);padding:22px 18px;position:relative;min-height:140px;overflow:hidden;transition:.2s}
.node:hover{background:var(--bg-3)}
.node:hover .core{box-shadow:0 0 0 4px var(--glow),0 0 18px var(--cyan)}
.node .core{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 var(--glow);transition:.3s;animation:nodepulse 3s infinite}
.node .id{font-family:var(--mono);font-size:9px;color:var(--ink-3);letter-spacing:.22em;margin:10px 0 6px;text-transform:uppercase}
.node h4{font-family:var(--display);font-size:.92rem;color:#fff;margin-bottom:0;font-weight:500;line-height:1.25}
.node .wires{position:absolute;left:-6px;right:-6px;bottom:0;height:60px;pointer-events:none;opacity:.35}
@keyframes nodepulse{0%,100%{box-shadow:0 0 0 0 var(--glow)}50%{box-shadow:0 0 0 8px transparent}}
/* SECTION */
section{padding:96px 0;border-bottom:1px solid var(--line);position:relative}
.sec-head{display:grid;grid-template-columns:180px 1fr;gap:48px;margin-bottom:54px;align-items:start}
.sec-head .zix{font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.22em}
.sec-head .zix .num{display:block;color:var(--cyan);font-size:2.2rem;font-weight:600;font-family:var(--display);letter-spacing:-.02em;margin-bottom:6px}
.sec-head h2{max-width:840px}
.sec-head .lead{color:var(--ink-2);margin-top:18px;max-width:760px;font-size:1.02rem}
/* CLUSTER GRID (3 columns) */
.cluster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cluster{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line-2);padding:32px;position:relative;transition:.25s}
.cluster:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 8px 40px rgba(34,211,238,.08)}
.cluster::before{content:"";position:absolute;top:0;left:0;width:40px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.cluster .tag{font-family:var(--mono);font-size:10px;color:var(--cyan);letter-spacing:.22em;margin-bottom:16px}
.cluster h3{font-size:1.1rem;margin-bottom:12px}
.cluster p{font-size:.92rem;color:var(--ink-3);margin-bottom:18px}
.cluster ul{list-style:none;padding:0;margin:0;font-family:var(--mono);font-size:10.5px;color:var(--ink-2);letter-spacing:.06em}
.cluster li{padding:7px 0;border-top:1px dashed var(--line);display:flex;justify-content:space-between}
.cluster li:first-child{border:0;padding-top:0}
.cluster li::before{content:"●";color:var(--cyan-d);margin-right:8px}
/* TOPOLOGY (2-col) */
.topo{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:stretch}
.topo .imgblock{position:relative;min-height:440px;overflow:hidden;border:1px solid var(--line-2);background:var(--bg-2)}
.topo .imgblock img{width:100%;height:100%;object-fit:cover;filter:saturate(.6) contrast(1.05) brightness(.7) hue-rotate(180deg)}
.topo .imgblock::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,15,23,.4) 0%,rgba(34,211,238,.18) 100%);mix-blend-mode:overlay}
.topo .imgblock .tag{position:absolute;top:18px;left:18px;font-family:var(--mono);font-size:10px;color:#fff;background:rgba(10,15,23,.85);padding:6px 12px;border:1px solid var(--cyan);letter-spacing:.22em;text-transform:uppercase;z-index:2}
.topo .imgblock .ix{position:absolute;bottom:18px;right:18px;font-family:var(--mono);font-size:9px;color:var(--ink-2);letter-spacing:.18em;text-align:right;z-index:2}
.topo .panel{background:var(--panel);border:1px solid var(--line-2);padding:36px}
.topo .panel h3{font-size:1.3rem;margin-bottom:16px}
.topo .metrics{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line-2);margin-top:28px}
.topo .metrics > div{padding:18px 0;border-right:1px solid var(--line-2);padding-right:16px}
.topo .metrics > div:nth-child(2n){border-right:0;padding-right:0;padding-left:16px}
.topo .metrics > div:nth-child(-n+2){border-bottom:1px solid var(--line-2)}
.topo .metrics .v{font-family:var(--display);font-size:1.8rem;color:var(--cyan);font-weight:600;letter-spacing:-.01em}
.topo .metrics .l{font-family:var(--mono);font-size:9.5px;color:var(--ink-3);letter-spacing:.22em;text-transform:uppercase;margin-top:4px}
/* LAYER STACK */
.lstack{border:1px solid var(--line-2);background:var(--bg-2)}
.lrow{padding:24px 28px;display:grid;grid-template-columns:80px 200px 1fr 120px;gap:24px;align-items:center;border-bottom:1px solid var(--line);transition:.2s;position:relative}
.lrow:last-child{border-bottom:0}
.lrow::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:.2s}
.lrow:hover{background:var(--bg-3)}
.lrow:hover::before{background:var(--cyan)}
.lrow .lv{font-family:var(--mono);font-size:10.5px;color:var(--cyan);letter-spacing:.2em}
.lrow .nm{font-family:var(--display);color:#fff;font-size:1.05rem}
.lrow .ds{color:var(--ink-3);font-size:.9rem;margin:0}
.lrow .st{font-family:var(--mono);font-size:9.5px;color:var(--cyan);letter-spacing:.22em;text-align:right;text-transform:uppercase}
/* NODE ROUTE (timeline) */
.route{position:relative;padding-left:48px}
.route::before{content:"";position:absolute;left:16px;top:0;bottom:0;width:1px;background:linear-gradient(180deg,var(--cyan) 0%,var(--line-2) 100%)}
.route .ev{position:relative;padding:18px 0 32px}
.route .ev::before{content:"";position:absolute;left:-37px;top:24px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px var(--glow)}
.route .ev .marker{font-family:var(--mono);font-size:10px;color:var(--cyan);letter-spacing:.22em;margin-bottom:6px}
.route .ev h3{font-size:1.1rem;margin-bottom:8px}
.route .ev p{font-size:.94rem;color:var(--ink-3);margin:0}
/* INTEGRATION MATRIX (4×3) */
.imx{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line-2);background:var(--bg-2)}
.imx > div{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;transition:.2s}
.imx > div:hover{background:var(--bg-3)}
.imx > div:nth-child(4n){border-right:0}
.imx > div:nth-last-child(-n+4){border-bottom:0}
.imx .id{font-family:var(--mono);font-size:9px;color:var(--cyan);letter-spacing:.22em;margin-bottom:12px}
.imx h4{font-family:var(--display);font-size:.98rem;color:#fff;margin-bottom:8px;font-weight:500}
.imx p{font-size:.83rem;color:var(--ink-3);margin:0;line-height:1.55}
/* COMM FLOW (3 wide) */
.cflow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;position:relative}
.cflow .stage{background:var(--panel);border:1px solid var(--line-2);padding:32px;position:relative}
.cflow .stage::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--cyan);opacity:.4}
.cflow .stage .nm{font-family:var(--mono);font-size:10.5px;color:var(--cyan);letter-spacing:.22em;margin-bottom:18px}
.cflow .stage h3{font-size:1.15rem;margin-bottom:12px}
.cflow .stage p{font-size:.92rem;color:var(--ink-3);margin:0 0 18px}
.cflow .stage .meta{font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.18em;padding-top:18px;border-top:1px solid var(--line);text-transform:uppercase}
.cflow .stage .meta span{color:var(--cyan)}
/* FAQ */
.faq{max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;color:#fff;font-family:var(--display);font-size:1.15rem;text-align:left;padding:22px 60px 22px 0;cursor:pointer;position:relative;letter-spacing:-.01em}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:1.6rem;transition:.2s;font-family:var(--mono)}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--ink-2)}
.faq-item.open .faq-a{max-height:600px;padding:0 0 22px}
.faq-a p{font-size:.95rem;line-height:1.7}
/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info{background:var(--panel);border:1px solid var(--line-2);padding:32px}
.contact-info h3{font-size:1.4rem;margin-bottom:24px}
.contact-info .row{padding:18px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px}
.contact-info .row:last-child{border-bottom:0}
.contact-info .lbl{font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.22em;text-transform:uppercase}
.contact-info .val{color:#fff;font-size:.95rem;text-align:right}
.form{background:var(--panel);border:1px solid var(--line-2);padding:32px}
.form label{display:block;font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.22em;text-transform:uppercase;margin:0 0 7px}
.form input,.form textarea,.form select{width:100%;background:var(--bg);border:1px solid var(--line-2);color:#fff;padding:13px;font-family:var(--sans);font-size:.95rem;border-radius:3px;margin-bottom:18px;transition:.15s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--cyan)}
.form textarea{min-height:140px;resize:vertical}
.form-msg{font-family:var(--mono);font-size:10.5px;color:var(--cyan);margin-top:8px;letter-spacing:.16em;display:none}
.form-msg.show{display:block}
.map-frame{margin-top:48px;border:1px solid var(--line-2);background:var(--bg-2);overflow:hidden}
.map-frame iframe{width:100%;height:400px;border:0;filter:invert(.86) hue-rotate(170deg) saturate(.55) brightness(1.1)}
/* FOOTER */
.ftr{background:linear-gradient(180deg,var(--bg-2),#070b11);border-top:1px solid var(--line);padding:64px 0 24px;position:relative;overflow:hidden}
.ftr::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 20% 0%,rgba(34,211,238,.05),transparent 60%);pointer-events:none}
.ftr .container{position:relative;z-index:1}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.ftr h5{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.22em;text-transform:uppercase;margin:0 0 18px}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr ul li{padding:6px 0}
.ftr ul a{color:var(--ink-2);font-size:.92rem}
.ftr ul a:hover{color:var(--cyan)}
.ftr .lead{color:var(--ink-2);font-size:.92rem;max-width:340px}
.socials{display:flex;gap:8px;margin-top:18px}
.socials a{width:38px;height:38px;background:rgba(34,211,238,.06);border:1px solid var(--line-2);display:grid;place-items:center;border-radius:3px;transition:.2s}
.socials a:hover{border-color:var(--cyan);background:rgba(34,211,238,.12)}
.socials svg{width:16px;height:16px;fill:var(--ink-2)}
.socials a:hover svg{fill:var(--cyan)}
.ftr-bot{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.2em;text-transform:uppercase;flex-wrap:wrap;gap:12px}
/* COOKIE */
.cookie{position:fixed;bottom:18px;left:18px;right:18px;max-width:560px;margin:0 auto;background:var(--panel);border:1px solid var(--cyan-d);padding:18px 22px;z-index:80;display:none;border-radius:4px;font-size:.88rem;color:var(--ink-2);box-shadow:0 8px 40px rgba(0,0,0,.5)}
.cookie.show{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.cookie p{margin:0;flex:1;min-width:260px;font-size:.85rem}
.cookie button{font-family:var(--mono);font-size:10px;letter-spacing:.2em;padding:8px 14px;border:1px solid var(--cyan);background:linear-gradient(135deg,var(--cyan),var(--steel));color:#0a0f17;cursor:pointer;border-radius:3px;text-transform:uppercase;font-weight:600}
.cookie button.dec{background:transparent;color:var(--ink-2);border-color:var(--line-2)}
/* BACK TOP */
.back-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;background:var(--panel);border:1px solid var(--cyan);border-radius:4px;display:none;place-items:center;cursor:pointer;color:var(--cyan);font-family:var(--mono);font-size:14px;z-index:70;transition:.2s}
.back-top.show{display:grid}
.back-top:hover{background:var(--cyan);color:#0a0f17}
/* REVEAL */
.reveal{opacity:1;transform:translateY(22px);transition:transform .6s ease}
.reveal.in{transform:translateY(0)}
@media(max-width:1080px){
  .node-grid{grid-template-columns:repeat(3,1fr)}
  .cluster-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:840px){
  .sec-head{grid-template-columns:1fr;gap:18px}
  .node-grid{grid-template-columns:repeat(2,1fr)}
  .cluster-grid{grid-template-columns:1fr}
  .topo{grid-template-columns:1fr}
  .imx{grid-template-columns:1fr 1fr}
  .imx > div:nth-child(4n){border-right:1px solid var(--line)}
  .imx > div:nth-child(2n){border-right:0}
  .imx > div:nth-last-child(-n+4){border-bottom:1px solid var(--line)}
  .imx > div:nth-last-child(-n+2){border-bottom:0}
  .cflow{grid-template-columns:1fr}
  .lrow{grid-template-columns:1fr;gap:10px}
  .lrow .st{text-align:left}
  .contact-grid{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--bg-2);flex-direction:column;border-bottom:1px solid var(--line);padding:14px 28px}
  .nav.open{display:flex}
  .burger{display:inline-block}
}
@media(max-width:540px){
  .container{padding:0 20px}
  .node-grid{grid-template-columns:1fr}
  .imx{grid-template-columns:1fr}
  .imx > div{border-right:0!important}
  .imx > div:not(:last-child){border-bottom:1px solid var(--line)!important}
  .imx > div:last-child{border-bottom:0!important}
  .ftr-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .reveal{transform:none}
  .node .core{animation:none}
}