/* =============================================================================
   NESNA — Enterprise Intelligence Platform · public marketing website
   Design system: light-surface premium B2B SaaS.
   Palette derived from the NESNA logo (deep navy · NESNA blue · cyan · green).
   Framework-free. Excellent with animations disabled.
   ============================================================================= */

:root{
  /* brand */
  --navy-900:#07152f;
  --navy-800:#0a1e40;
  --navy-700:#0e2b5c;
  --navy:#123063;
  --blue-700:#1257b0;
  --blue:#1a6fd0;          /* NESNA blue (primary) */
  --blue-400:#3d90e6;
  --cyan:#16a9e0;          /* cyan accent */
  --cyan-400:#42c4f0;
  --green:#2ca85f;         /* restrained green accent */
  --green-400:#3ec878;

  /* ink & text */
  --ink:#0b1f42;           /* headings */
  --text:#31435f;          /* body */
  --muted:#5e6f88;         /* secondary text */
  --faint:#8a99b0;         /* labels, meta */

  /* surfaces */
  --bg:#ffffff;
  --surface:#f5f9fd;
  --surface-2:#eef4fb;
  --card:#ffffff;
  --line:#e4ecf5;
  --line-2:#d6e1ee;

  /* effects */
  --grad:linear-gradient(120deg,var(--navy-700) 0%,var(--blue) 48%,var(--cyan) 100%);
  --grad-soft:linear-gradient(120deg,#eef6ff 0%,#e9f6fc 100%);
  --shadow-sm:0 1px 2px rgba(11,31,66,.05),0 2px 6px rgba(11,31,66,.05);
  --shadow:0 2px 6px rgba(11,31,66,.06),0 14px 34px rgba(11,31,66,.09);
  --shadow-lg:0 8px 24px rgba(11,31,66,.10),0 30px 70px rgba(11,31,66,.14);
  --ring:0 0 0 4px rgba(26,111,208,.16);

  --maxw:1200px;
  --nav-h:70px;
  --r:16px;
  --r-sm:11px;
}

/* reset */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16.5px;line-height:1.62;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"Archivo",system-ui,sans-serif;color:var(--ink);
  line-height:1.1;letter-spacing:-.02em;margin:0;font-weight:800;text-wrap:balance}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
img{height:auto}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}

.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--blue);font-weight:500;display:inline-flex;
  align-items:center;gap:9px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}

.section{padding:clamp(64px,8vw,116px) 0;position:relative}
.section.alt{background:var(--surface)}
.section-head{max-width:760px;margin:0 auto clamp(38px,5vw,60px);text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-head h2{font-size:clamp(28px,4.2vw,46px);margin:16px 0 16px}
.section-head p{font-size:clamp(16px,2vw,19px);color:var(--muted)}
.lead{font-size:clamp(17px,2.1vw,20px);color:var(--muted);line-height:1.55}

/* gradient text accent */
.g-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}

/* ============================ buttons ============================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:600;font-size:15px;padding:13px 24px;border-radius:11px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s ease;
  white-space:nowrap;line-height:1}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(22,111,208,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(22,111,208,.42)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28);backdrop-filter:blur(6px)}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:16px}
@media (prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* ============================ nav ============================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;transition:background .3s,box-shadow .3s,border-color .3s;
  background:rgba(255,255,255,.72);backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(255,255,255,.9);box-shadow:0 1px 0 rgba(11,31,66,.06),0 6px 22px rgba(11,31,66,.06);
  border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px}
.nav-logo{display:flex;align-items:center;height:38px;flex:0 0 auto}
.nav-logo img{height:34px;width:auto;display:block}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--navy);padding:9px 14px;border-radius:9px;
  transition:background .18s,color .18s}
.nav-links a:hover{background:var(--surface-2);color:var(--blue)}
.nav-cta{margin-left:8px;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:40px;border:1px solid var(--line-2);
  background:#fff;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:20px;height:2px;background:var(--navy);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:960px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
}
/* mobile drawer */
.mnav{position:fixed;inset:var(--nav-h) 0 0;z-index:99;background:#ffffff;
  padding:22px 24px 40px;transform:translateY(-8px);opacity:0;
  pointer-events:none;transition:.28s ease;overflow-y:auto;display:flex;flex-direction:column;gap:6px}
.mnav.open{opacity:1;transform:none;pointer-events:auto}
.mnav a{font-family:"Archivo";font-weight:700;font-size:20px;color:var(--ink);padding:15px 8px;
  border-bottom:1px solid var(--line)}
.mnav a:last-of-type{border-bottom:none}
.mnav .btn{margin-top:18px}
body.nav-open{overflow:hidden}

/* ============================ loader ============================ */
.loader{position:fixed;inset:0;z-index:1000;background:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:20px;transition:opacity .5s ease,visibility .5s}
.loader.done{opacity:0;visibility:hidden}
.loader img{height:64px;width:auto;opacity:0;transform:scale(.94);
  animation:loaderIn .8s cubic-bezier(.2,.7,.3,1) forwards}
.loader .lbar{width:132px;height:3px;border-radius:3px;background:var(--surface-2);overflow:hidden;position:relative}
.loader .lbar::after{content:"";position:absolute;inset:0;width:40%;border-radius:3px;background:var(--grad);
  animation:loaderBar 1.1s ease-in-out infinite}
.loader .lcap{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--faint);opacity:0;animation:fadeIn .6s ease .35s forwards}
@keyframes loaderIn{to{opacity:1;transform:scale(1)}}
@keyframes loaderBar{0%{left:-40%}100%{left:100%}}
@keyframes fadeIn{to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  .loader img,.loader .lcap{animation:none;opacity:1;transform:none}
  .loader .lbar::after{animation:none;width:100%}
}

/* ============================ hero ============================ */
.hero{position:relative;padding:calc(var(--nav-h) + clamp(52px,8vw,96px)) 0 clamp(56px,7vw,92px);
  overflow:hidden;background:
    radial-gradient(1200px 560px at 78% -8%,#e7f4fd 0%,rgba(231,244,253,0) 60%),
    radial-gradient(900px 520px at 6% 8%,#eef3fc 0%,rgba(238,243,252,0) 55%),
    #fff}
.hero-grid{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 70% 60% at 60% 20%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 60% 20%,#000,transparent 72%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero-copy .badge{display:inline-flex;align-items:center;gap:8px;font-family:"IBM Plex Mono";
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-700);
  background:#eaf3fe;border:1px solid #d5e8fb;padding:6px 13px;border-radius:30px;font-weight:500}
.hero-copy .badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(44,168,95,.18)}
.hero h1{font-size:clamp(34px,5.4vw,62px);margin:20px 0 0;letter-spacing:-.03em}
.hero h1 .g-text{display:inline}
.hero-sub{font-size:clamp(17px,2.1vw,20px);color:var(--muted);margin-top:20px;max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-attr{margin-top:30px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:3px}
.hero-attr .k{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.hero-attr .v{font-family:"Archivo";font-weight:700;font-size:15px;color:var(--navy);letter-spacing:.01em}

/* hero product visualization */
.hero-vis{position:relative}
.dash{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);
  overflow:hidden;transform:perspective(1600px) rotateY(-9deg) rotateX(3deg);transform-origin:center}
@media(max-width:1040px){.dash{transform:none}}
.dash-bar{display:flex;align-items:center;gap:8px;padding:12px 15px;border-bottom:1px solid var(--line);background:var(--surface)}
.dash-bar i{width:10px;height:10px;border-radius:50%;background:var(--line-2);display:inline-block}
.dash-bar i:nth-child(1){background:#e6a23c66}.dash-bar i:nth-child(2){background:#67c23a66}.dash-bar i:nth-child(3){background:#2fb0d666}
.dash-bar .t{margin-left:8px;font-family:"IBM Plex Mono";font-size:11px;color:var(--faint);letter-spacing:.1em}
.dash-body{padding:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.dash-kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:13px}
.dash-kpi .lbl{font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.dash-kpi .num{font-family:"Archivo";font-weight:800;font-size:22px;color:var(--ink);margin-top:5px;line-height:1}
.dash-kpi .num b{color:var(--blue)}
.dash-kpi .spark{margin-top:8px;height:22px;display:block}
.dash-wide{grid-column:1/3;background:linear-gradient(180deg,#0c2350,#0a1e40);border-radius:12px;padding:14px;position:relative;overflow:hidden;min-height:140px}
.dash-wide .cap{font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#7fb6e8}
.dash-wide .live{position:absolute;top:12px;right:12px;font-family:"IBM Plex Mono";font-size:9px;letter-spacing:.1em;
  color:#fff;background:rgba(44,168,95,.9);padding:3px 8px;border-radius:20px;display:inline-flex;align-items:center;gap:5px}
.dash-wide .live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulseDot 1.4s ease-in-out infinite}
@keyframes pulseDot{0%,100%{opacity:.4}50%{opacity:1}}
.dash-side{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:9px}
.dash-side .row{display:flex;align-items:center;gap:9px}
.dash-side .av{width:26px;height:26px;border-radius:7px;background:var(--grad);flex:0 0 auto;opacity:.9}
.dash-side .ln{flex:1;height:7px;border-radius:4px;background:var(--line-2)}
.dash-side .ln.s{width:60%}
.dash-side .tag{font-family:"IBM Plex Mono";font-size:9px;color:var(--green);border:1px solid #bfe6cf;background:#eefaf2;padding:2px 6px;border-radius:20px}
.float{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);
  padding:11px 13px;display:flex;align-items:center;gap:10px}
.float .ic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:#fff;background:var(--grad);flex:0 0 auto}
.float .ic svg{width:16px;height:16px}
.float .tx b{display:block;font-family:"Archivo";font-size:13px;color:var(--ink);line-height:1.1}
.float .tx span{font-size:11px;color:var(--muted)}
.float.f1{top:-16px;right:-14px;animation:floaty 5s ease-in-out infinite}
.float.f2{bottom:-18px;left:-16px;animation:floaty 6s ease-in-out infinite .6s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@media(max-width:560px){.float{display:none}}
@media (prefers-reduced-motion:reduce){.float{animation:none}}

@media(max-width:1040px){
  .hero .wrap{grid-template-columns:1fr;gap:44px}
  .hero-vis{max-width:560px;margin:0 auto;width:100%}
}

/* ============================ trust strip ============================ */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.strip .wrap{display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;justify-content:center;
  padding:22px 24px}
.strip .item{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;font-weight:500}
.strip .item svg{width:19px;height:19px;color:var(--blue)}

/* ============================ ecosystem (platform intro) ============================ */
.eco{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.eco{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.eco{grid-template-columns:1fr}}
.eco-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s,border-color .2s;position:relative;overflow:hidden}
.eco-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--grad);opacity:0;transition:.25s}
.eco-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-2)}
.eco-card:hover::before{opacity:1}
.eco-ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;color:#fff;
  background:var(--grad);box-shadow:0 6px 16px rgba(22,111,208,.28);margin-bottom:16px}
.eco-ic svg{width:24px;height:24px}
.eco-card h3{font-size:19px;margin-bottom:4px}
.eco-card .sub{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.eco-card p{font-size:14.5px;color:var(--muted)}

/* connected diagram wrapper */
.diagram{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow-sm);padding:clamp(18px,3vw,30px);overflow-x:auto}
.diagram svg{display:block;margin:0 auto;height:auto;width:100%}

/* svg flow tokens */
.f-box{fill:#fff;stroke:var(--line-2)}
.f-accent{fill:#eaf3fe;stroke:var(--blue)}
.f-navy{fill:var(--navy-800);stroke:var(--navy-800)}
.f-t{fill:var(--ink);font-family:"IBM Plex Sans";font-size:13px;font-weight:500}
.f-t-w{fill:#fff;font-family:"IBM Plex Sans";font-size:13px;font-weight:600}
.f-l{fill:var(--faint);font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.06em}
.f-l-w{fill:#8fc0ec;font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.06em}
.f-line{stroke:var(--blue);stroke-width:1.8;fill:none}
.flow-anim{stroke-dasharray:7 7;animation:dash 1.1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-14}}
@media (prefers-reduced-motion:reduce){.flow-anim{animation:none}}

/* ============================ feature blocks (split) ============================ */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center}
.feature+.feature{margin-top:clamp(56px,7vw,96px)}
.feature.rev .feature-media{order:-1}
@media(max-width:860px){.feature{grid-template-columns:1fr;gap:34px}.feature.rev .feature-media{order:0}}
.feature h3{font-size:clamp(24px,3.2vw,34px);margin:14px 0 14px}
.feature .lead{margin-bottom:22px}
.chk{display:flex;flex-direction:column;gap:12px}
.chk li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.chk li svg{width:20px;height:20px;color:var(--green);flex:0 0 auto;margin-top:2px}
.chk li b{color:var(--ink);font-weight:600}
.feature-media{position:relative}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);
  padding:20px;position:relative;overflow:hidden}
.panel.navy{background:linear-gradient(165deg,#0c2350,#081832);border-color:#0c2350;color:#dbe8fb}
.panel .p-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel .p-head .ttl{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.panel.navy .p-head .ttl{color:#7fb6e8}

/* stat row inside panels */
.mini-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mini-kpi{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:13px}
.mini-kpi .n{font-family:"Archivo";font-weight:800;font-size:24px;color:var(--ink);line-height:1}
.mini-kpi .l{font-size:12px;color:var(--muted);margin-top:5px}

/* attendance/workforce list mock */
.wf-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.wf-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#fff}
.wf-row .av{width:32px;height:32px;border-radius:9px;background:var(--grad);flex:0 0 auto;opacity:.92}
.wf-row .meta{flex:1;min-width:0}
.wf-row .meta b{font-size:13.5px;color:var(--ink);display:block;font-family:"Archivo"}
.wf-row .meta span{font-size:11.5px;color:var(--muted)}
.pill{font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.06em;padding:3px 9px;border-radius:20px;white-space:nowrap;font-weight:500}
.pill.ok{color:var(--green);background:#edfaf1;border:1px solid #c7ecd4}
.pill.blue{color:var(--blue-700);background:#eaf3fe;border:1px solid #d0e6fb}
.pill.warn{color:#b57d17;background:#fdf6e7;border:1px solid #f0e2bc}

/* camera monitoring mock */
.cams{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.cam{position:relative;aspect-ratio:4/3;border-radius:9px;overflow:hidden;
  background:linear-gradient(150deg,#12294f,#0a1a36);border:1px solid #16305a}
.cam .scan{position:absolute;inset:0;background:linear-gradient(transparent,rgba(66,196,240,.14),transparent);
  height:40%;animation:scan 3.2s ease-in-out infinite}
@keyframes scan{0%{top:-40%}100%{top:100%}}
.cam .box{position:absolute;border:1.5px solid var(--cyan-400);border-radius:3px;
  box-shadow:0 0 0 1px rgba(66,196,240,.25)}
.cam .box::after{content:attr(data-l);position:absolute;top:-14px;left:-1px;font-family:"IBM Plex Mono";
  font-size:7.5px;letter-spacing:.04em;background:var(--cyan);color:#04121f;padding:1px 4px;border-radius:3px;white-space:nowrap}
.cam .lbl{position:absolute;bottom:5px;left:6px;font-family:"IBM Plex Mono";font-size:8px;letter-spacing:.08em;color:#9fc9ee}
.cam.small .lbl{display:none}
@media (prefers-reduced-motion:reduce){.cam .scan{animation:none;opacity:.5}}

/* identity chain */
.chain{display:flex;flex-direction:column;gap:0}
.chain .node{display:flex;align-items:center;gap:14px;padding:13px 15px;border:1px solid var(--line);
  border-radius:12px;background:#fff;position:relative;z-index:1}
.chain .node .num{width:30px;height:30px;border-radius:9px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-family:"IBM Plex Mono";font-size:12px;flex:0 0 auto}
.chain .node b{font-family:"Archivo";font-size:15px;color:var(--ink);display:block}
.chain .node span{font-size:12.5px;color:var(--muted)}
.chain .link{width:2px;height:16px;background:var(--line-2);margin-left:29px}

/* ============================ how it works (architecture) ============================ */
.arch{background:linear-gradient(170deg,#081a3a 0%,#0a2350 55%,#0b1d42 100%);position:relative;overflow:hidden}
.arch .hero-grid{opacity:.14;mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000,transparent 78%)}
.arch .section-head h2{color:#fff}
.arch .section-head p{color:#a9c4e6}
.arch .eyebrow{color:#5fd0f0}
.arch-wrap{position:relative;background:rgba(255,255,255,.03);border:1px solid rgba(120,170,230,.18);
  border-radius:20px;padding:clamp(18px,3vw,34px);box-shadow:0 30px 80px rgba(0,0,0,.35);backdrop-filter:blur(4px)}
.arch svg{width:100%;height:auto;display:block}
.a-node{fill:rgba(14,40,84,.9);stroke:rgba(120,170,230,.4)}
.a-node.key{fill:url(#agrad);stroke:var(--cyan-400)}
.a-t{fill:#eaf3ff;font-family:"IBM Plex Sans";font-size:13px;font-weight:600}
.a-l{fill:#7fb6e8;font-family:"IBM Plex Mono";font-size:9px;letter-spacing:.08em}
.a-line{stroke:rgba(120,170,230,.45);stroke-width:1.6;fill:none}
.a-flow{stroke:var(--cyan-400);stroke-width:2;fill:none;stroke-dasharray:6 10;
  animation:dash2 1.2s linear infinite;filter:drop-shadow(0 0 4px rgba(66,196,240,.6))}
@keyframes dash2{to{stroke-dashoffset:-16}}
@media (prefers-reduced-motion:reduce){.a-flow{animation:none;stroke-dasharray:none}}

/* ============================ value / outcome cards ============================ */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid3{grid-template-columns:1fr}}
.val-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s}
.val-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.val-card .vi{width:44px;height:44px;border-radius:12px;background:var(--surface-2);color:var(--blue);
  display:grid;place-items:center;margin-bottom:16px;border:1px solid var(--line)}
.val-card .vi svg{width:22px;height:22px}
.val-card h3{font-size:18px;margin-bottom:8px}
.val-card p{font-size:14px;color:var(--muted)}

/* ============================ industries ============================ */
.ind{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:820px){.ind{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.ind{grid-template-columns:1fr}}
.ind-card{position:relative;border-radius:var(--r);overflow:hidden;min-height:190px;padding:22px;
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
  background:linear-gradient(160deg,#0e2b5c,#0a1c3d);border:1px solid #103063}
.ind-card::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(120,170,230,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,230,.14) 1px,transparent 1px);
  background-size:26px 26px;mask-image:radial-gradient(circle at 80% 10%,#000,transparent 70%)}
.ind-card .ii{position:absolute;top:20px;left:20px;width:40px;height:40px;border-radius:11px;
  background:rgba(66,196,240,.16);border:1px solid rgba(66,196,240,.4);display:grid;place-items:center;color:#7fe0ff}
.ind-card .ii svg{width:20px;height:20px}
.ind-card h3{color:#fff;font-size:19px;position:relative}
.ind-card p{color:#a9c4e6;font-size:13.5px;margin-top:6px;position:relative}

/* ============================ technology ============================ */
.tech-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,4vw,52px);align-items:center}
@media(max-width:860px){.tech-grid{grid-template-columns:1fr}}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.tchip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line-2);
  border-radius:30px;padding:9px 16px;font-size:13.5px;font-weight:500;color:var(--navy);
  box-shadow:var(--shadow-sm);transition:transform .18s,border-color .18s}
.tchip:hover{transform:translateY(-2px);border-color:var(--blue)}
.tchip .d{width:7px;height:7px;border-radius:50%;background:var(--grad)}

/* ============================ product showcase ============================ */
.show{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:760px){.show{grid-template-columns:1fr}}
.show-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s}
.show-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.show-card .cap{padding:16px 20px;border-top:1px solid var(--line)}
.show-card .cap b{font-family:"Archivo";font-size:16px;color:var(--ink);display:block}
.show-card .cap span{font-size:13px;color:var(--muted)}
.show-viz{aspect-ratio:16/9;background:var(--surface);padding:16px;position:relative;overflow:hidden}
.concept-tag{position:absolute;top:12px;right:12px;font-family:"IBM Plex Mono";font-size:9px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--faint);background:rgba(255,255,255,.85);
  border:1px solid var(--line);padding:3px 8px;border-radius:20px}

/* ============================ why nesna (comparison) ============================ */
.cmp{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:stretch}
@media(max-width:760px){.cmp{grid-template-columns:1fr}.cmp .vs{display:none}}
.cmp-col{border-radius:var(--r);padding:28px;border:1px solid var(--line)}
.cmp-col.old{background:var(--surface)}
.cmp-col.new{background:linear-gradient(165deg,#0c2350,#081832);border-color:#0c2350;color:#dbe8fb;box-shadow:var(--shadow-lg)}
.cmp-col h3{font-size:20px;margin-bottom:16px}
.cmp-col.new h3{color:#fff}
.cmp-col .tag{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;display:block}
.cmp-col.old .tag{color:var(--faint)}.cmp-col.new .tag{color:#5fd0f0}
.cmp-col ul{display:flex;flex-direction:column;gap:11px}
.cmp-col li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px}
.cmp-col.old li{color:var(--muted)}
.cmp-col.old li svg{color:#c0728a}
.cmp-col.new li{color:#cfe0f6}
.cmp-col.new li svg{color:var(--green-400)}
.cmp-col li svg{width:18px;height:18px;flex:0 0 auto;margin-top:2px}
.cmp .vs{align-self:center;font-family:"Archivo";font-weight:800;color:var(--faint);font-size:14px;
  background:#fff;border:1px solid var(--line);border-radius:50%;width:46px;height:46px;display:grid;place-items:center}

/* ============================ CTA ============================ */
.cta{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.cta .hero-grid{opacity:.16;mask-image:radial-gradient(ellipse at 50% 40%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000,transparent 75%)}
.cta .wrap{position:relative;text-align:center;padding:clamp(56px,8vw,96px) 24px}
.cta h2{color:#fff;font-size:clamp(28px,4.4vw,48px);margin-bottom:18px}
.cta p{color:#e2eefb;font-size:clamp(16px,2vw,19px);max-width:640px;margin:0 auto 30px}
.cta .hero-cta{justify-content:center}

/* ============================ contact ============================ */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,60px)}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-info h2{font-size:clamp(26px,3.6vw,40px);margin:14px 0 16px}
.contact-detail{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.cd{display:flex;gap:14px;align-items:flex-start}
.cd .ci{width:44px;height:44px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line);
  color:var(--blue);display:grid;place-items:center;flex:0 0 auto}
.cd .ci svg{width:21px;height:21px}
.cd .k{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.cd .v{font-size:16px;color:var(--ink);font-weight:600;word-break:break-word}
.cd a.v{color:var(--blue)}
.cd a.v:hover{text-decoration:underline}

.form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,34px);box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:520px){.form-row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600;color:var(--navy)}
.field label .req{color:var(--blue)}
.field input,.field textarea{font-family:inherit;font-size:15px;color:var(--ink);background:var(--surface);
  border:1px solid var(--line-2);border-radius:10px;padding:12px 14px;transition:border-color .18s,box-shadow .18s,background .18s;width:100%}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:var(--ring)}
.field textarea{resize:vertical;min-height:120px}
.form .btn{width:100%}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center}
.form-status{font-size:14px;margin-top:14px;padding:12px 14px;border-radius:10px;display:none}
.form-status.show{display:block}
.form-status.ok{background:#edfaf1;border:1px solid #c7ecd4;color:#1c7a45}

/* ============================ footer ============================ */
.footer{background:var(--navy-900);color:#b9cbe4}
.footer .wrap{padding:clamp(48px,6vw,72px) 24px 32px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:30px}}
.footer-brand .logo-plate{background:#fff;border-radius:12px;padding:12px 16px;display:inline-flex;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.footer-brand .logo-plate img{height:32px;width:auto;display:block}
.footer-brand p{margin-top:16px;font-size:14px;color:#8fa6c6;max-width:38ch}
.footer-brand .attr{margin-top:16px;font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:.04em;color:#7d94b6}
.footer-brand .attr b{color:#cfe0f6;font-weight:500;display:block;letter-spacing:.06em;margin-top:2px}
.footer-col h4{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:#6f88ac;font-weight:500;margin-bottom:16px}
.footer-col a,.footer-col .li{display:block;font-size:14px;color:#b9cbe4;padding:6px 0;transition:color .16s}
.footer-col a:hover{color:#fff}
.footer-col a.mail{color:#6fc7f0}
.footer-bottom{margin-top:38px;padding-top:22px;border-top:1px solid rgba(120,170,230,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:#7d94b6}
.footer-bottom .mono{letter-spacing:.04em}

/* ============================ reveal animation ============================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* skip link */
.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:var(--navy);padding:10px 16px;
  border-radius:8px;z-index:200;box-shadow:var(--shadow);font-weight:600}
.skip:focus{left:12px}

/* ============================ AI monitoring pipeline ============================ */
.pipe{margin-top:clamp(48px,6vw,72px);background:linear-gradient(165deg,#0b2350,#081832);
  border:1px solid #10305f;border-radius:20px;padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.pipe-head .eyebrow{color:#5fd0f0}
.pipe-head .lead{color:#a9c4e6;max-width:70ch}
.pipe-track{list-style:none;margin:26px 0 0;padding:0;display:grid;grid-template-columns:repeat(8,1fr);gap:10px;counter-reset:none}
@media(max-width:1024px){.pipe-track{grid-template-columns:repeat(4,1fr)}}
@media(max-width:560px){.pipe-track{grid-template-columns:repeat(2,1fr)}}
.pipe-step{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(120,170,230,.22);
  border-radius:12px;padding:14px 12px;text-align:center;transition:border-color .3s,background .3s,transform .3s;opacity:.55}
.pipe-step.on{opacity:1;border-color:var(--cyan-400);background:rgba(66,196,240,.1);transform:translateY(-3px)}
.pipe-step .ps-ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;margin:0 auto 9px;
  background:rgba(66,196,240,.12);color:#7fe0ff;border:1px solid rgba(66,196,240,.3);transition:background .3s,color .3s}
.pipe-step.on .ps-ic{background:var(--grad);color:#fff;border-color:transparent}
.pipe-step .ps-ic svg{width:19px;height:19px}
.pipe-step b{display:block;font-family:"Archivo";font-size:13.5px;color:#eaf3ff}
.pipe-step span{font-size:11px;color:#8fb6e0;display:block;margin-top:2px;line-height:1.3}
.pipe-step.key{border-color:var(--cyan-400);background:rgba(66,196,240,.08)}
.note-line{margin-top:20px;font-size:12.5px;color:#7fa0c8;font-family:"IBM Plex Mono";letter-spacing:.02em;max-width:80ch}
@media (prefers-reduced-motion:reduce){.pipe-step{opacity:1}}

/* ============================ how-it-works numbered steps ============================ */
.steps-sec{border-top:1px solid rgba(120,170,230,.14)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
@media(max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{position:relative;background:rgba(255,255,255,.03);border:1px solid rgba(120,170,230,.2);
  border-radius:14px;padding:22px 20px}
.step .st-n{font-family:"Archivo";font-weight:800;font-size:26px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;line-height:1}
.step .st-b b{display:block;font-family:"Archivo";font-size:16px;color:#fff;margin:12px 0 6px}
.step .st-b p{font-size:13.5px;color:#a9c4e6;line-height:1.5}

/* ============================ operational flow ============================ */
.opflow{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px}
.op-step{background:#fff;border:1px solid var(--line-2);border-radius:11px;padding:14px 20px;
  font-family:"IBM Plex Mono";font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);
  box-shadow:var(--shadow-sm);white-space:nowrap}
.op-step.key{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(22,111,208,.32)}
.op-arrow{width:26px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));position:relative;flex:0 0 auto}
.op-arrow::after{content:"";position:absolute;right:-1px;top:-3px;border-left:6px solid var(--cyan);
  border-top:4px solid transparent;border-bottom:4px solid transparent}
@media(max-width:820px){
  .opflow{flex-direction:column}
  .op-step{width:100%;max-width:280px;text-align:center}
  .op-arrow{width:2px;height:18px;background:linear-gradient(180deg,var(--blue),var(--cyan))}
  .op-arrow::after{right:auto;left:-3px;bottom:-1px;top:auto;border-left:4px solid transparent;border-right:4px solid transparent;border-top:6px solid var(--cyan);border-bottom:none}
}

/* ============================ AI assistant ============================ */
.assistant-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,60px);align-items:center}
@media(max-width:860px){.assistant-grid{grid-template-columns:1fr;gap:34px}}
.chat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-lg);overflow:hidden;max-width:460px;margin:0 auto;width:100%}
.chat-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--surface)}
.chat-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(44,168,95,.16)}
.chat-ttl{font-family:"Archivo";font-weight:700;font-size:14px;color:var(--ink)}
.chat-body{padding:18px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#fbfdff,#f5f9fd)}
.msg{max-width:82%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.5}
.msg.user{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);color:var(--text);border-bottom-left-radius:4px;box-shadow:var(--shadow-sm)}
.msg.bot b{color:var(--ink)}
.msg.typing{display:inline-flex;gap:5px;align-items:center}
.msg.typing span{width:7px;height:7px;border-radius:50%;background:var(--faint);animation:typing 1.2s infinite}
.msg.typing span:nth-child(2){animation-delay:.2s}.msg.typing span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
@media (prefers-reduced-motion:reduce){.msg.typing span{animation:none;opacity:.6}}
.chat-input{display:flex;align-items:center;gap:10px;padding:13px 16px;border-top:1px solid var(--line);background:#fff}
.chat-input span:first-child{flex:1;color:var(--faint);font-size:13.5px}
.ci-send{width:34px;height:34px;border-radius:9px;background:var(--grad);color:#fff;display:grid;place-items:center}
.ci-send svg{width:16px;height:16px}

/* ============================ technology categories ============================ */
.tech-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.tech-cats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.tech-cats{grid-template-columns:1fr}}
.tcat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm)}
.tcat h4{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.tcat .chips{margin-top:0}
.tcat.navy{background:linear-gradient(165deg,#0c2350,#081832);border-color:#0c2350}
.tlayers{display:flex;flex-direction:column;gap:10px}
.tlayer{display:flex;gap:12px;align-items:center}
.tlayer .tl-n{font-family:"IBM Plex Mono";font-size:12px;color:#5fd0f0;width:26px;flex:0 0 auto}
.tlayer b{display:block;font-family:"Archivo";font-size:13.5px;color:#fff}
.tlayer span{font-size:11.5px;color:#8fb6e0}

/* ============================ about ============================ */
.about-wrap{max-width:820px}
.about-wrap h2{font-size:clamp(26px,3.6vw,40px);margin:16px 0 16px}
.about-attr{margin-top:28px;padding:22px 24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:4px}
.about-attr .k{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.about-attr .v{font-family:"Archivo";font-weight:800;font-size:19px;color:var(--ink);letter-spacing:.01em}
.about-attr .m{color:var(--blue);font-weight:500;margin-top:2px}
.about-attr .m:hover{text-decoration:underline}

/* footer brand tag */
.fbrand-tag{font-family:"IBM Plex Mono";font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#7fa0c8;margin-top:14px}
.footer-brand p+p{margin-top:8px}

/* ============================ product experience — imagery ============================ */
.show-hero{max-width:960px;margin:0 auto clamp(24px,4vw,40px)}
.browser{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}
.browser-bar{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line);background:var(--surface)}
.browser-bar i{width:11px;height:11px;border-radius:50%;background:var(--line-2)}
.browser-bar i:nth-child(1){background:#e6a23c66}.browser-bar i:nth-child(2){background:#67c23a66}.browser-bar i:nth-child(3){background:#2fb0d666}
.browser-url{margin-left:10px;font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:.06em;color:var(--faint)}
.browser-tag{margin-left:auto}
.browser-shot{display:block;width:100%;height:auto;background:var(--surface)}
.show-hero-cap{text-align:center;color:var(--muted);font-size:14.5px;margin-top:16px;max-width:60ch;margin-left:auto;margin-right:auto}

/* image scene cards reuse .show / .show-card / .show-viz */
.show-card{margin:0}
.show-viz>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:1}
.show-viz{padding:0}
.concept-tag{z-index:2}
.show-card figcaption.cap{border-top:1px solid var(--line)}