:root{
  --navy:#0d1b2a;--navy-2:#13263a;--ink:#17212b;--muted:#667585;--line:#dce4ea;
  --bg:#f6f8fa;--white:#fff;--yellow:#f3b61f;--yellow-2:#ffd35a;--blue:#1e78d7;
  --green:#1d9d76;--shadow:0 16px 45px rgba(13,27,42,.10);--radius:22px;--radius-sm:14px;
  --max:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,228,234,.9)}
.nav-shell{height:76px;display:flex;align-items:center;gap:22px}
.brand{width:188px;flex:0 0 auto}
.brand img{width:188px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link,.nav-drop-btn{border:0;background:transparent;padding:11px 12px;border-radius:11px;font-size:14px;font-weight:650;color:#344557;cursor:pointer;display:flex;align-items:center;gap:5px}
.nav-link:hover,.nav-drop-btn:hover,.nav-link.active,.nav-drop-btn.active{background:#eef3f7;color:var(--navy)}
.nav-dropdown{position:relative}
.nav-drop-menu{display:none;position:absolute;top:46px;left:0;min-width:190px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:15px;padding:8px}
.nav-dropdown:hover .nav-drop-menu,.nav-dropdown.open .nav-drop-menu{display:block}
.nav-drop-menu a{display:block;padding:10px 11px;border-radius:9px;font-size:14px}
.nav-drop-menu a:hover{background:#f1f5f8}
.nav-cta{margin-left:4px}
.menu-toggle{display:none;background:none;border:0;padding:8px}
.menu-toggle span{display:block;width:23px;height:2px;background:var(--navy);margin:5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;border:1px solid transparent;font-weight:750;transition:.2s ease;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--yellow);color:var(--navy);box-shadow:0 9px 25px rgba(243,182,31,.25)}
.btn-primary:hover{background:var(--yellow-2)}
.btn-dark{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-sm{padding:10px 14px;font-size:14px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:#516374}
.eyebrow:before{content:"";width:28px;height:3px;border-radius:2px;background:var(--yellow)}
h1,h2,h3,h4{line-height:1.16;color:var(--navy);margin:0 0 .55em}
h1{font-size:clamp(42px,6vw,72px);letter-spacing:-.045em}
h2{font-size:clamp(30px,4vw,45px);letter-spacing:-.035em}
h3{font-size:22px}
p{margin:.2em 0 1em}
.lead{font-size:clamp(18px,2.2vw,22px);color:#4a5b6c;max-width:760px}
.small{font-size:13px}
.muted{color:var(--muted)}
.hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#f9fbfc 0%,#eff4f7 58%,#e7edf1 100%);padding:82px 0 76px}
.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-170px;top:-220px;background:radial-gradient(circle at 50% 50%,rgba(243,182,31,.26),rgba(243,182,31,0) 68%)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:50px;align-items:center}
.hero-copy{position:relative;z-index:2}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-proof{display:flex;gap:24px;flex-wrap:wrap;margin-top:32px;color:#526170;font-size:13px}
.hero-proof span{display:flex;align-items:center;gap:7px}
.hero-proof span:before{content:"✓";display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e5f6ef;color:#13785a;font-weight:800}
.dashboard{position:relative;background:var(--navy);border-radius:28px;padding:18px;box-shadow:0 26px 70px rgba(13,27,42,.28);min-height:440px}
.dash-top{display:flex;align-items:center;justify-content:space-between;color:white;padding:8px 7px 16px}
.dots{display:flex;gap:5px}.dots i{width:8px;height:8px;border-radius:50%;background:#496379}.dots i:first-child{background:var(--yellow)}
.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dash-card{background:#122942;border:1px solid #25435d;border-radius:17px;padding:15px;color:#fff;min-height:112px}
.dash-card.wide{grid-column:1/-1;min-height:180px}
.metric{font-size:28px;font-weight:800;letter-spacing:-.03em}.metric-label{font-size:12px;color:#9fb1c1}
.spark{height:66px;margin-top:10px;position:relative;overflow:hidden}
.spark svg{width:100%;height:100%}
.tag{display:inline-flex;border-radius:999px;padding:6px 9px;background:#e9f0f5;color:#405362;font-size:12px;font-weight:700}
.tag.yellow{background:#fff3ca;color:#745800}
.section{padding:82px 0}.section.soft{background:var(--bg)}.section.dark{background:var(--navy);color:#d5dee6}
.section.dark h2,.section.dark h3,.section.dark h4{color:#fff}.section.dark .lead,.section.dark .muted{color:#aebdca}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head .lead{max-width:640px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 28px rgba(13,27,42,.045)}
.card.dark-card{background:#122942;border-color:#25435d;color:#d7e0e7}
.card.dark-card h3{color:#fff}
.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#fff3ca;color:#755900;font-weight:900;font-size:20px;margin-bottom:18px}
.card p{color:var(--muted)}.dark-card p{color:#aebdca}
.list-check{list-style:none;margin:16px 0 0;padding:0}
.list-check li{padding:7px 0 7px 26px;position:relative}
.list-check li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:850}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{border-radius:24px;padding:27px;min-height:330px;display:flex;flex-direction:column;position:relative;overflow:hidden;border:1px solid var(--line)}
.product-card h3{font-size:29px}.product-card p{color:#536576}.product-card .btn{margin-top:auto;align-self:flex-start}
.product-card:after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-50px;top:-50px;background:rgba(243,182,31,.18)}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;align-items:stretch}
.flow-step{border:1px solid #2b475e;background:#132a41;border-radius:18px;padding:20px;color:#d5dee6;position:relative}
.flow-step b{display:block;color:white;margin-bottom:7px}.flow-step span{display:block;font-size:13px;color:#aebdca}
.flow-step:not(:last-child):after{content:"→";position:absolute;right:-14px;top:50%;transform:translateY(-50%);z-index:2;color:var(--yellow);font-size:23px;font-weight:800}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.visual-panel{border-radius:26px;min-height:390px;background:linear-gradient(145deg,#13283c,#0a1724);padding:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.visual-panel:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:24px 24px}
.sensor-map{position:relative;height:340px;z-index:1}
.sensor-node{position:absolute;width:76px;height:76px;border-radius:20px;background:#1b3b55;border:1px solid #315777;color:white;display:grid;place-items:center;text-align:center;font-size:11px;font-weight:700}
.sensor-node:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--yellow);right:9px;top:9px;box-shadow:0 0 0 5px rgba(243,182,31,.14)}
.node-a{left:6%;top:13%}.node-b{right:5%;top:10%}.node-c{left:13%;bottom:8%}.node-d{right:10%;bottom:12%}
.core-node{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:128px;height:128px;border-radius:32px;background:var(--yellow);color:var(--navy);display:grid;place-items:center;text-align:center;font-weight:900;box-shadow:0 0 0 15px rgba(243,182,31,.08)}
.connector{position:absolute;height:1px;background:#46677f;transform-origin:left center}
.c1{width:145px;left:22%;top:30%;transform:rotate(22deg)}.c2{width:130px;left:53%;top:31%;transform:rotate(-24deg)}
.c3{width:145px;left:22%;top:70%;transform:rotate(-20deg)}.c4{width:130px;left:54%;top:67%;transform:rotate(25deg)}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.kpi{border-radius:18px;padding:19px;background:#fff;border:1px solid var(--line)}
.kpi strong{font-size:28px;display:block;color:var(--navy)}.kpi span{font-size:12px;color:var(--muted)}
.page-hero{padding:68px 0 56px;background:linear-gradient(145deg,#f8fafb,#eef3f6);border-bottom:1px solid var(--line)}
.page-hero .lead{max-width:800px}
.breadcrumb{font-size:13px;color:#6c7b8a;margin-bottom:15px}.breadcrumb a{color:#335d7a}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.feature-item{display:flex;gap:11px;align-items:flex-start;padding:13px;border-radius:14px;background:#f7f9fa;border:1px solid #e8edf1}
.feature-item b{display:block}.feature-item span{font-size:13px;color:var(--muted)}
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.industry{padding:20px;border-radius:18px;border:1px solid var(--line);background:#fff}
.industry strong{display:block;color:var(--navy);margin-bottom:6px}.industry span{font-size:13px;color:var(--muted)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff}
table{border-collapse:collapse;width:100%;min-width:780px}
th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f6f8fa;color:var(--navy);font-size:13px}
td{font-size:14px}.price-title{font-weight:800;font-size:18px;color:var(--navy)}
.highlight-row{background:#fffaf0}
.cta-band{border-radius:28px;padding:35px;background:linear-gradient(130deg,var(--navy),#1e3850);color:#d9e3ea;display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-band h2{color:white;font-size:35px;max-width:720px}.cta-band p{margin-bottom:0;color:#b7c5d0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:27px;box-shadow:var(--shadow)}
.field{margin-bottom:15px}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:6px;color:#344557}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border-radius:11px;border:1px solid #cfd9e0;background:#fff;color:var(--ink);outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#719cc0;box-shadow:0 0 0 3px rgba(30,120,215,.10)}
.field textarea{min-height:120px;resize:vertical}
.form-note{font-size:13px;margin-top:10px}.form-note.error{color:#a53f3f}.form-note.success{color:#147354}
.monitor-box{background:var(--navy);border-radius:26px;padding:30px;color:#dce6ed}
.monitor-box h3{color:#fff}.monitor-box input{background:#132a41;color:#fff;border-color:#35526a}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800;background:#e9f4ff;color:#1e5f99}
.timeline{position:relative;margin-top:20px}
.timeline:before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:#dfe7ed}
.timeline-item{position:relative;padding:0 0 24px 55px}
.timeline-item:before{content:"";position:absolute;left:11px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--yellow);border:4px solid #fff;box-shadow:0 0 0 1px #d9e2e8}
.timeline-item h4{margin-bottom:4px}
.faq{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:17px 0}
summary{cursor:pointer;font-weight:750;color:var(--navy)}
details p{color:var(--muted);margin:10px 0 0}
.site-footer{background:#08131f;color:#b7c3cd;padding:54px 0 22px}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:35px}
.footer-logo{width:176px;margin-bottom:15px}.site-footer h4{color:white;font-size:14px;margin-bottom:12px}
.site-footer a{display:block;color:#b7c3cd;padding:4px 0;font-size:14px}.site-footer a:hover{color:white}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #1b2a36;margin-top:35px;padding-top:19px;font-size:12px}
[data-reveal]{opacity:0;transform:translateY(14px);transition:.55s ease}[data-reveal].revealed{opacity:1;transform:none}
.note{padding:15px 17px;border-left:4px solid var(--yellow);background:#fff8df;border-radius:0 12px 12px 0;color:#5e542d}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#0c1b28;color:#cfe0ec;padding:3px 7px;border-radius:7px;font-size:.9em}
@media(max-width:1050px){
  .nav-cta{display:none}.main-nav{gap:0}.nav-link,.nav-drop-btn{padding:10px 8px}
  .hero-grid,.split{gap:30px}.cards,.product-grid{grid-template-columns:repeat(2,1fr)}.industry-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr 1fr}.flow-step:not(:last-child):after{display:none}
}
@media(max-width:820px){
  .container{width:min(100% - 28px,var(--max))}
  .nav-shell{height:68px}.brand,.brand img{width:164px}
  .menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 14px;box-shadow:var(--shadow);align-items:stretch;flex-direction:column}
  .main-nav.open{display:flex}.nav-link,.nav-drop-btn{width:100%;justify-content:space-between;padding:12px}
  .nav-drop-menu{position:static;box-shadow:none;border:0;background:#f5f7f9;margin:3px 0 7px}
  .nav-dropdown:hover .nav-drop-menu{display:none}.nav-dropdown.open .nav-drop-menu{display:block}
  .hero{padding:54px 0}.hero-grid,.split{grid-template-columns:1fr}.dashboard{min-height:390px}
  .section{padding:62px 0}.section-head{align-items:flex-start;flex-direction:column}
  .cards,.product-grid{grid-template-columns:1fr 1fr}.kpi-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:570px){
  h1{font-size:42px}.hero-actions .btn{width:100%}.dashboard{min-height:350px}.dash-grid{grid-template-columns:1fr}.dash-card.wide{grid-column:auto}
  .cards,.product-grid,.industry-grid,.kpi-row,.feature-list,.flow{grid-template-columns:1fr}
  .cta-band{align-items:flex-start;flex-direction:column;padding:27px}.cta-band h2{font-size:29px}
  .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}
}