/* ============ TING — Design tokens ============ */
:root{
  --ink:#080B26;
  --ink-2:#11164A;
  --indigo:#1E22AA;
  --indigo-bright:#3A40E6;
  --indigo-soft:#ECEDFB;
  --slate:#4F758B;
  --slate-deep:#34566A;
  --slate-soft:#EBF1F5;
  --cyan:#2FD9E3;
  --mist:#F4F6FC;
  --paper:#FFFFFF;
  --ink-70:rgba(8,11,38,.70);
  --ink-55:rgba(8,11,38,.55);
  --ink-40:rgba(8,11,38,.40);
  --line:rgba(20,25,80,.10);
  --line-2:rgba(20,25,80,.16);
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 1px 2px rgba(8,11,38,.06), 0 2px 8px rgba(8,11,38,.05);
  --shadow:0 8px 28px -10px rgba(20,25,80,.22);
  --shadow-lg:0 30px 70px -28px rgba(20,25,80,.40);
  --maxw:1240px;
  --font:'Encode Sans', system-ui, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
::selection{background:var(--indigo);color:#fff;}

/* scrollbar */
::-webkit-scrollbar{width:11px;height:11px;}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:20px;border:3px solid var(--paper);}
::-webkit-scrollbar-thumb:hover{background:var(--slate);}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

/* ============ Typography ============ */
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--indigo);display:inline-flex;align-items:center;gap:9px;
}
.eyebrow.on-dark{color:var(--cyan);}
.eyebrow::before{content:'';width:22px;height:2px;background:currentColor;border-radius:2px;opacity:.7;flex:none;}
.eyebrow svg{width:16px;height:16px;flex:none;}
h1,h2,h3{margin:0;line-height:1.05;letter-spacing:-.02em;font-weight:800;}
.display{font-size:clamp(40px,6.2vw,82px);line-height:.98;letter-spacing:-.035em;font-weight:800;}
.h2{font-size:clamp(30px,4vw,52px);letter-spacing:-.03em;font-weight:800;}
.lead{font-size:clamp(16px,1.5vw,20px);line-height:1.55;color:var(--ink-70);font-weight:400;}
.mono{font-family:var(--mono);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  padding:14px 24px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:-.01em;
  transition:transform .18s cubic-bezier(.2,.7,.3,1), box-shadow .25s, background .2s, color .2s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 10px 24px -10px rgba(30,34,170,.7);}
.btn-primary:hover{background:#1a1d96;transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(30,34,170,.8);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.22);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--indigo);box-shadow:var(--shadow);}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line-2);}
.btn-outline:hover{border-color:var(--indigo);color:var(--indigo);transform:translateY(-2px);}
.btn-wa{background:#25D366;color:#0a2a16;font-weight:700;}
.btn-wa:hover{background:#1ebd5a;transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(37,211,102,.7);}
.btn-sm{padding:10px 16px;font-size:13.5px;}

/* ============ Header ============ */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;transition:all .3s;padding:16px 0;}
.hdr-inner{display:flex;align-items:center;gap:28px;
  background:rgba(255,255,255,.0);border-radius:999px;padding:8px 8px 8px 22px;transition:all .3s;}
.hdr.scrolled{padding:10px 0;}
.hdr.scrolled .hdr-inner{background:rgba(255,255,255,.82);backdrop-filter:blur(18px) saturate(1.4);
  box-shadow:0 8px 30px -14px rgba(20,25,80,.30);border:1px solid rgba(255,255,255,.6);}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav a{font-size:14.5px;font-weight:600;color:var(--ink-70);padding:9px 14px;border-radius:999px;transition:.18s;letter-spacing:-.01em;}
.hdr:not(.scrolled) .nav a{color:rgba(255,255,255,.82);}
.hdr:not(.scrolled) .nav a:hover{color:#fff;background:rgba(255,255,255,.12);}
.hdr.scrolled .nav a:hover{color:var(--indigo);background:var(--indigo-soft);}
.nav a.active{color:var(--indigo);}
.hdr:not(.scrolled) .nav a.active{color:#fff;}
.hdr-cta{margin-left:6px;}
.hdr:not(.scrolled) .hdr-cta.btn-primary{background:#fff;color:var(--indigo);}

/* logo */
.logo{display:flex;align-items:center;gap:11px;font-weight:800;}
.logo-full{height:32px;width:auto;display:block;flex:none;transition:color .3s;}
.hdr:not(.scrolled) .logo-full{color:#fff;}
.hdr.scrolled .logo-full{color:var(--indigo);}
.foot-logo .logo-full{height:34px;color:#fff;}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:clamp(140px,18vh,210px) 0 clamp(90px,12vh,140px);}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(58,64,230,.55) 0%, rgba(30,34,170,.18) 38%, transparent 64%),
    radial-gradient(80% 70% at 10% 100%, rgba(47,117,139,.45) 0%, transparent 60%),
    linear-gradient(180deg,#0a0e33 0%, #080B26 70%);}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(120% 90% at 70% 20%, #000 30%, transparent 78%);}
.hero .wrap{position:relative;z-index:2;}
.hero-grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;}
.hero h1{margin:22px 0 0;}
.hero .lead{color:rgba(255,255,255,.74);max-width:540px;margin-top:22px;}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:32px;margin-top:46px;flex-wrap:wrap;}
.hero-stat .n{font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1;
  background:linear-gradient(120deg,#fff,#9aa0ff);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-stat .l{font-size:12.5px;color:rgba(255,255,255,.58);margin-top:7px;font-weight:600;letter-spacing:.02em;}
.hero-grad-word{background:linear-gradient(105deg,#7E84FF 0%, #2FD9E3 90%);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* hero visual — network/device panel */
.hero-panel{position:relative;aspect-ratio:1/1.02;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.12);overflow:hidden;backdrop-filter:blur(6px);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.14);}
.hero-panel .node{position:absolute;border-radius:14px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;gap:9px;padding:11px 13px;
  font-size:12.5px;font-weight:600;color:rgba(255,255,255,.9);backdrop-filter:blur(4px);z-index:4;}
.hero-net{position:absolute;inset:0;width:100%;height:100%;z-index:1;overflow:visible;}
.hero-net circle{filter:drop-shadow(0 0 3px currentColor);}
.hero-panel .node .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.hero-panel .node .dot.b{background:#7E84FF;box-shadow:0 0 12px #7E84FF;}
.pulse{animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;
  width:128px;height:128px;border-radius:30px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--indigo-bright),var(--indigo));
  box-shadow:0 0 0 1px rgba(255,255,255,.2), 0 30px 60px -20px rgba(58,64,230,.8);}
.hero-core svg{width:60px;height:60px;color:#fff;}
.ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;
  border:1px solid rgba(255,255,255,.10);}
@media(prefers-reduced-motion:no-preference){
  .ring{animation:spin 26s linear infinite;}
  .ring.r2{animation-duration:40s;animation-direction:reverse;}
}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg);}}

/* ============ Brands strip ============ */
.brands-strip{background:var(--paper);border-bottom:1px solid var(--line);padding:30px 0;}
.brands-strip .row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:space-between;}
.brands-strip .lbl{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-40);}
.brand-logos{display:flex;gap:14px;flex-wrap:wrap;}
.brand-chip{display:inline-flex;align-items:center;gap:10px;padding:11px 20px;border-radius:14px;
  background:var(--mist);border:1px solid var(--line);transition:.2s;}
.brand-chip:hover{border-color:var(--indigo);transform:translateY(-2px);box-shadow:var(--shadow);}
.brand-wm{font-weight:800;font-size:19px;letter-spacing:-.02em;}

/* ============ Clients trust strip ============ */
.clients-strip{background:var(--paper);border-bottom:1px solid var(--line);padding:26px 0;}
.clients-strip .wrap{display:flex;align-items:center;gap:14px 36px;flex-wrap:wrap;justify-content:space-between;}
.clients-lbl{margin:0;font-size:13px;font-weight:600;color:var(--ink-55);max-width:420px;line-height:1.45;}
.clients-logos{display:flex;align-items:center;gap:30px;flex-wrap:wrap;}
.client-wm{font-weight:800;font-size:21px;letter-spacing:-.02em;color:var(--slate-deep);opacity:.62;filter:grayscale(1);transition:.2s;}
.client-wm:hover{opacity:1;color:var(--indigo);}

/* ============ Section scaffolding ============ */
.section{padding:clamp(72px,10vh,118px) 0;}
.section.mist{background:var(--mist);}
.section.ink{background:var(--ink);color:#fff;}
.sec-head{max-width:680px;margin-bottom:46px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{margin:16px 0 0;}
.sec-head .lead{margin-top:18px;}

/* ============ Catalog ============ */
.cat-toolbar{display:flex;flex-direction:column;gap:18px;margin-bottom:30px;}
.cat-search{position:relative;max-width:480px;width:100%;}
.cat-search svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--ink-40);}
.cat-search input{width:100%;padding:15px 18px 15px 50px;border-radius:999px;border:1px solid var(--line-2);
  background:#fff;font-family:inherit;font-size:15px;color:var(--ink);outline:none;transition:.2s;box-shadow:var(--shadow-sm);}
.cat-search input:focus{border-color:var(--indigo);box-shadow:0 0 0 4px var(--indigo-soft);}
.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;}
.brand-tab{display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:999px;
  font-weight:700;font-size:14px;color:var(--ink-70);background:#fff;border:1px solid var(--line-2);transition:.18s;}
.brand-tab .ct{font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--mist);color:var(--ink-55);}
.brand-tab:hover{border-color:var(--slate);color:var(--ink);}
.brand-tab.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.brand-tab.active .ct{background:rgba(255,255,255,.16);color:#fff;}

.cat-layout{display:grid;grid-template-columns:248px 1fr;gap:34px;align-items:start;}
.cat-side{position:sticky;top:96px;}
.cat-side h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-40);margin:0 0 12px;font-weight:700;}
.cat-cats{display:flex;flex-direction:column;gap:3px;}
.cat-cat{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--ink-70);text-align:left;transition:.16s;width:100%;}
.cat-cat:hover{background:var(--mist);color:var(--ink);}
.cat-cat.active{background:var(--indigo-soft);color:var(--indigo);}
.cat-cat .n{font-size:11.5px;font-weight:700;color:var(--ink-40);}
.cat-cat.active .n{color:var(--indigo);}

.cat-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.cat-meta .count{font-size:14px;color:var(--ink-55);font-weight:600;}
.cat-meta .count b{color:var(--ink);}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:18px;}
.pcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:transform .2s cubic-bezier(.2,.7,.3,1), box-shadow .25s, border-color .2s;
  display:flex;flex-direction:column;min-height:218px;overflow:hidden;}
.pcard::after{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 80% at 100% 0,rgba(58,64,230,.07),transparent 55%);opacity:0;transition:.25s;}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.pcard:hover::after{opacity:1;}
.pcard-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px;}
.picon{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,var(--indigo-soft),#fff);border:1px solid var(--line);color:var(--indigo);}
.picon svg{width:27px;height:27px;}
.pcard:hover .picon{background:linear-gradient(150deg,var(--indigo),var(--indigo-bright));color:#fff;border-color:transparent;}
.pcard .model{font-family:var(--mono);font-size:11px;font-weight:500;color:var(--slate-deep);
  background:var(--slate-soft);padding:5px 10px;border-radius:8px;letter-spacing:-.02em;white-space:nowrap;}
.pcard h4{font-size:17px;font-weight:700;letter-spacing:-.02em;margin:0 0 7px;line-height:1.18;}
.pcard p{font-size:13.5px;line-height:1.5;color:var(--ink-55);margin:0;flex:1;}
.pcard-foot{display:flex;align-items:center;gap:10px;margin-top:18px;flex-wrap:wrap;}
.pcard-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.pcard .brandtag{font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--ink-40);text-transform:uppercase;margin-left:auto;}
.plink{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--indigo);transition:.18s;}
.plink svg{width:15px;height:15px;transition:transform .18s;}
.pcard:hover .plink.wa-req svg{transform:translate(3px,-3px);}
/* datasheet download — primary action chip */
.plink.dl{padding:8px 13px;border-radius:999px;background:var(--indigo-soft);color:var(--indigo);}
.plink.dl:hover{background:var(--indigo);color:#fff;}
.plink.dl svg{width:16px;height:16px;}
.pcard:hover .plink.dl svg{animation:dlbob .55s ease;}
@keyframes dlbob{50%{transform:translateY(3px);}}
.plink.wa-req{color:var(--slate-deep);}
.plink.wa-req:hover{color:var(--indigo);}

.cat-empty{text-align:center;padding:70px 20px;color:var(--ink-40);}
.cat-empty svg{width:46px;height:46px;margin:0 auto 14px;opacity:.5;}

/* category tiles (compact entry view) */
.cat-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(252px,1fr));gap:14px;}
.ctile{display:flex;align-items:center;gap:15px;text-align:left;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:17px 18px;width:100%;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .25s,border-color .2s;}
.ctile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.ctile-ico{width:50px;height:50px;border-radius:14px;flex:none;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--indigo-soft),#fff);border:1px solid var(--line);color:var(--indigo);}
.ctile-ico svg{width:26px;height:26px;}
.ctile:hover .ctile-ico{background:linear-gradient(150deg,var(--indigo),var(--indigo-bright));color:#fff;border-color:transparent;}
.ctile-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px;}
.ctile-name{font-size:15.5px;font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--ink);}
.ctile-meta{font-size:12.5px;color:var(--ink-55);font-weight:600;}
.ctile-arrow{color:var(--ink-40);flex:none;display:grid;transition:.18s;}
.ctile-arrow svg{width:18px;height:18px;}
.ctile:hover .ctile-arrow{color:var(--indigo);transform:translate(3px,-3px);}

/* results bar */
.cat-resbar{display:flex;align-items:center;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.back-btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:999px;
  font-weight:700;font-size:14px;color:var(--ink);background:#fff;border:1px solid var(--line-2);transition:.18s;}
.back-btn svg{width:17px;height:17px;}
.back-btn:hover{border-color:var(--indigo);color:var(--indigo);transform:translateX(-2px);}
.cat-restitle{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.cat-resbar .count{margin-left:auto;font-size:14px;color:var(--ink-55);font-weight:600;}
.cat-resbar .count b{color:var(--ink);}

/* ============ Solutions ============ */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.sol-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;overflow:hidden;transition:.22s;min-height:220px;display:flex;flex-direction:column;}
.sol-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.sol-ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--ink);color:var(--cyan);transition:.22s;}
.sol-ico svg{width:25px;height:25px;}
.sol-card:hover .sol-ico{background:var(--indigo);color:#fff;}
.sol-card h3{font-size:21px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px;}
.sol-card p{font-size:14.5px;line-height:1.55;color:var(--ink-55);margin:0 0 16px;flex:1;}
.sol-tags{display:flex;gap:6px;flex-wrap:wrap;}
.sol-tag{font-size:11px;font-weight:700;letter-spacing:.03em;color:var(--slate-deep);background:var(--slate-soft);
  padding:5px 10px;border-radius:999px;}

/* ============ SCADA ============ */
.scada{position:relative;overflow:hidden;}
.scada .scada-bg{position:absolute;inset:0;z-index:0;
  background:radial-gradient(90% 120% at 100% 0,rgba(58,64,230,.4),transparent 55%),
  radial-gradient(70% 90% at 0 100%,rgba(47,117,139,.34),transparent 55%);}
.scada .wrap{position:relative;z-index:2;}
.scada-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:54px;align-items:center;}
.scada-feats{display:flex;flex-direction:column;gap:22px;margin-top:32px;}
.scada-feat{display:flex;gap:15px;align-items:flex-start;}
.scada-feat .fi{width:42px;height:42px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:var(--cyan);}
.scada-feat .fi svg{width:21px;height:21px;}
.scada-feat h4{font-size:16.5px;font-weight:700;margin:2px 0 4px;}
.scada-feat p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.5;margin:0;}

/* dashboard mock */
.dash{background:#0c1142;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-lg);}
.dash-bar{display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.dash-bar .d{width:11px;height:11px;border-radius:50%;}
.dash-bar .t{margin-left:10px;font-size:12.5px;color:rgba(255,255,255,.6);font-weight:600;}
.dash-bar .live{margin-left:auto;font-size:11px;font-weight:700;color:#25D366;display:flex;align-items:center;gap:6px;white-space:nowrap;flex:none;}
.dash-bar .live::before{content:'';width:7px;height:7px;border-radius:50%;background:#25D366;box-shadow:0 0 8px #25D366;}
.dash-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-bottom:13px;}
.dash-kpi{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:14px;}
.dash-kpi .l{font-size:10.5px;color:rgba(255,255,255,.5);font-weight:600;letter-spacing:.03em;text-transform:uppercase;}
.dash-kpi .v{font-size:25px;font-weight:800;letter-spacing:-.03em;margin-top:5px;}
.dash-kpi .v small{font-size:13px;font-weight:600;color:rgba(255,255,255,.5);}
.dash-kpi .up{color:var(--cyan);}
.dash-chart{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:16px;height:158px;position:relative;}
.dash-chart .cap{font-size:11px;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:6px;}
.spark{position:absolute;left:16px;right:16px;bottom:14px;height:96px;}

/* ============ Blog ============ */
.rail-arrows{display:flex;gap:10px;}
.rail-arrow{width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line-2);
  display:grid;place-items:center;color:var(--ink);transition:.18s;}
.rail-arrow svg{width:20px;height:20px;}
.rail-arrow:hover{border-color:var(--indigo);color:var(--indigo);transform:translateY(-2px);box-shadow:var(--shadow);}
.rail-arrow:disabled{opacity:.35;cursor:default;transform:none;box-shadow:none;border-color:var(--line);color:var(--ink-40);}

.blog-rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-behavior:smooth;padding:6px 4px 22px;margin:0 -4px;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:var(--line-2) transparent;}
.blog-rail::-webkit-scrollbar{height:8px;}
.blog-rail::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:20px;}
.blog-rail::-webkit-scrollbar-thumb:hover{background:var(--slate);}
.blog-rail .post{flex:0 0 calc((100% - 44px)/3);scroll-snap-align:start;}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column;cursor:pointer;}
.post:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent;}
.post:focus-visible{outline:3px solid var(--indigo);outline-offset:2px;}
.post-media{position:relative;aspect-ratio:16/10;overflow:hidden;display:grid;place-items:center;}
.post-media img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.post:hover .post-media img{transform:scale(1.05);}
.post-media .pat{position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.25) 1.2px,transparent 1.2px);background-size:16px 16px;}
.post-media.noimg::after{content:'';position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1.2px,transparent 1.2px);background-size:16px 16px;}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post .cat{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo);}
.post h3{font-size:18px;font-weight:700;letter-spacing:-.02em;margin:11px 0 9px;line-height:1.25;}
.post p{font-size:14px;color:var(--ink-55);line-height:1.5;margin:0 0 16px;flex:1;}
.post .meta{font-size:12.5px;color:var(--ink-40);font-weight:600;display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.post .meta-read{margin-left:auto;color:var(--indigo);display:inline-flex;align-items:center;gap:5px;}
.post .meta-read svg{width:14px;height:14px;transition:transform .18s;}
.post:hover .meta-read svg{transform:translate(3px,-3px);}

/* ============ Blog reader (overlay) ============ */
.reader{position:fixed;inset:0;z-index:200;display:none;}
.reader.open{display:block;}
.reader-backdrop{position:absolute;inset:0;background:rgba(8,11,38,.62);backdrop-filter:blur(4px);animation:fade .25s ease;}
@keyframes fade{from{opacity:0}to{opacity:1}}
.reader-panel{position:absolute;top:0;right:0;bottom:0;width:min(760px,100%);background:var(--paper);
  box-shadow:-30px 0 80px -30px rgba(8,11,38,.5);display:flex;flex-direction:column;animation:slidein .32s cubic-bezier(.2,.7,.3,1);}
@keyframes slidein{from{transform:translateX(40px);opacity:.4}to{transform:translateX(0);opacity:1}}
.reader-close{position:absolute;top:16px;right:16px;z-index:3;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.92);box-shadow:var(--shadow);display:grid;place-items:center;color:var(--ink);transition:.18s;}
.reader-close svg{width:20px;height:20px;}
.reader-close:hover{background:var(--indigo);color:#fff;transform:rotate(90deg);}
.reader-scroll{overflow-y:auto;height:100%;}
.reader-hero{aspect-ratio:16/9;overflow:hidden;background:var(--mist);}
.reader-hero img{width:100%;height:100%;object-fit:cover;}
.reader-body{padding:36px clamp(24px,5vw,56px) 48px;}
.reader-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12.5px;font-weight:600;color:var(--ink-40);margin-bottom:14px;}
.reader-meta .cat{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo);}
.reader-body>h1{font-size:clamp(26px,3.4vw,38px);line-height:1.12;letter-spacing:-.025em;margin:0 0 24px;}
.reader-article{font-size:16px;line-height:1.72;color:var(--ink-70);}
.reader-article h2{font-size:24px;letter-spacing:-.02em;margin:34px 0 12px;color:var(--ink);}
.reader-article h3{font-size:20px;letter-spacing:-.02em;margin:28px 0 10px;color:var(--ink);}
.reader-article h4{font-size:17px;margin:22px 0 8px;color:var(--ink);}
.reader-article p{margin:0 0 16px;}
.reader-article ul,.reader-article ol{margin:0 0 18px;padding-left:22px;}
.reader-article li{margin-bottom:8px;}
.reader-article strong{color:var(--ink);font-weight:700;}
.reader-article a{color:var(--indigo);font-weight:600;text-decoration:underline;text-underline-offset:2px;}
.reader-article figure{margin:24px 0;}
.reader-article img{width:100%;border-radius:var(--radius);border:1px solid var(--line);}
.reader-article blockquote{margin:22px 0;padding:14px 20px;border-left:4px solid var(--indigo);
  background:var(--mist);border-radius:0 12px 12px 0;color:var(--ink-70);font-style:italic;}
.reader-foot{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:stretch;}
.contact-info{display:flex;flex-direction:column;}
.contact-info h2{margin:16px 0 0;}
.ci-list{display:flex;flex-direction:column;gap:6px;margin-top:30px;}
.ci-item{display:flex;gap:15px;align-items:center;padding:15px;border-radius:14px;transition:.18s;}
.ci-item:hover{background:#fff;box-shadow:var(--shadow-sm);}
.ci-item .ic{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:var(--indigo-soft);color:var(--indigo);}
.ci-item .ic svg{width:22px;height:22px;}
.ci-item .k{font-size:12px;color:var(--ink-40);font-weight:700;letter-spacing:.04em;text-transform:uppercase;}
.ci-item .v{font-size:16px;font-weight:700;letter-spacing:-.01em;margin-top:2px;}
.wa-card{margin-top:auto;background:linear-gradient(135deg,#0c1142,var(--ink));border-radius:var(--radius-lg);
  padding:26px;color:#fff;display:flex;align-items:center;gap:20px;}
.wa-card .ic{width:54px;height:54px;border-radius:15px;background:#25D366;display:grid;place-items:center;flex:none;}
.wa-card .ic svg{width:30px;height:30px;color:#0a2a16;}
.wa-card h4{font-size:18px;font-weight:700;margin:0 0 4px;}
.wa-card p{font-size:13.5px;color:rgba(255,255,255,.6);margin:0;}

.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-70);margin-bottom:7px;letter-spacing:-.01em;}
.field label .req{color:var(--indigo);}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:13px;border:1px solid var(--line-2);
  background:var(--mist);font-family:inherit;font-size:14.5px;color:var(--ink);outline:none;transition:.18s;}
.field textarea{resize:vertical;min-height:96px;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--indigo);background:#fff;box-shadow:0 0 0 4px var(--indigo-soft);}
.field input.err,.field select.err{border-color:#e0455e;background:#fdf2f4;}
.field .msg{font-size:12px;color:#e0455e;margin-top:6px;font-weight:600;}
.form .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:var(--ink-40);text-align:center;margin-top:14px;line-height:1.5;}
.form-success{text-align:center;padding:30px 10px;}
.form-success .ok{width:72px;height:72px;border-radius:50%;background:var(--indigo-soft);color:var(--indigo);
  display:grid;place-items:center;margin:0 auto 20px;}
.form-success .ok svg{width:38px;height:38px;}
.form-success h3{font-size:24px;margin-bottom:10px;}
.form-success p{color:var(--ink-55);font-size:15px;line-height:1.55;max-width:340px;margin:0 auto 22px;}

/* ============ Footer ============ */
.footer{background:var(--ink);color:#fff;padding:70px 0 30px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-grid h5{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.42);margin:0 0 18px;font-weight:700;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:14.5px;color:rgba(255,255,255,.68);transition:.16s;width:fit-content;}
.foot-links a:hover{color:#fff;}
.foot-about p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.6;margin:18px 0 22px;max-width:300px;}
.foot-soc{display:flex;gap:10px;}
.foot-soc a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;color:rgba(255,255,255,.8);transition:.18s;}
.foot-soc a:hover{background:var(--indigo);color:#fff;border-color:transparent;transform:translateY(-2px);}
.foot-soc svg{width:19px;height:19px;}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:24px;gap:16px;flex-wrap:wrap;}
.foot-bot p{font-size:13px;color:rgba(255,255,255,.45);margin:0;}

/* ============ WhatsApp FAB ============ */
.wa-fab{position:fixed;right:26px;bottom:26px;z-index:70;display:flex;align-items:center;gap:0;
  background:#25D366;color:#0a2a16;border-radius:999px;padding:0;height:60px;overflow:hidden;
  box-shadow:0 16px 36px -10px rgba(37,211,102,.6);transition:.25s;}
.wa-fab:hover{transform:translateY(-3px);box-shadow:0 22px 44px -12px rgba(37,211,102,.7);}
.wa-fab .icon{width:60px;height:60px;display:grid;place-items:center;flex:none;}
.wa-fab .icon svg{width:31px;height:31px;}
.wa-fab .txt{max-width:0;opacity:0;white-space:nowrap;font-weight:700;font-size:15px;transition:.3s;padding-right:0;}
.wa-fab:hover .txt{max-width:200px;opacity:1;padding-right:24px;}
.wa-fab .ping{position:absolute;top:-2px;right:-2px;width:18px;height:18px;border-radius:50%;background:#e0455e;
  color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center;border:2px solid var(--paper);}

/* ============ Responsive ============ */
@media(max-width:980px){
  .hero-grid-2{grid-template-columns:1fr;}
  .hero-panel{max-width:420px;margin-top:10px;}
  .scada-grid,.contact-grid{grid-template-columns:1fr;gap:36px;}
  .sol-grid{grid-template-columns:repeat(2,1fr);}
  .blog-rail .post{flex:0 0 calc((100% - 22px)/2);}
  .cat-layout{grid-template-columns:1fr;}
  .cat-side{position:static;}
  .cat-cats{flex-direction:row;flex-wrap:wrap;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media(max-width:680px){
  .nav{display:none;}
  .sol-grid,.dash-cards{grid-template-columns:1fr;}
  .blog-rail .post{flex:0 0 86%;}
  .form-row{grid-template-columns:1fr;}
  .wrap{padding:0 20px;}
  .hero-stats{gap:22px;}
  .foot-grid{grid-template-columns:1fr;}
  .dash-cards{grid-template-columns:repeat(3,1fr);}
}