:root{
  --navy:#061f3a;
  --navy2:#0b2c4d;
  --ink:#071f3f;
  --cyan:#11b8ef;
  --cyan2:#24c6ff;
  --pale:#f4f8fb;
  --line:#d7e2eb;
  --text:#3f5871;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #e8eef3}
.nav-wrap{height:92px;display:flex;align-items:center;gap:34px}
.brand{margin-right:auto}
.brand-name{font-weight:800;font-size:30px;letter-spacing:.4px}
.brand-name span{color:var(--cyan)}
.brand-tag{font-size:12px;color:#425c76;margin-top:3px}
.main-nav{display:flex;gap:34px;font-weight:700;font-size:14px}
.main-nav a{padding:34px 0 30px;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{border-bottom-color:var(--cyan)}
.btn{display:inline-flex;align-items:center;gap:18px;padding:15px 20px;font-weight:700;font-size:14px;border-radius:3px}
.btn-primary{background:linear-gradient(90deg,#13b9ed,#0aa7e7);color:#fff;box-shadow:0 8px 20px rgba(9,162,222,.15)}
.menu-btn{display:none;background:none;border:0;font-size:28px}

.hero{background:linear-gradient(90deg,#061a31,#052543);color:#fff;overflow:hidden}
.hero-grid{min-height:500px;display:grid;grid-template-columns:46% 54%;align-items:center}
.hero-copy{padding:56px 0}
.eyebrow,.section-kicker,.pillar-label{font-size:12px;font-weight:800;letter-spacing:1.6px;color:var(--cyan)}
.hero h1{font-size:64px;line-height:.97;margin:22px 0 24px;letter-spacing:-2.8px}
.hero h1 span{color:var(--cyan)}
.hero p{font-size:17px;line-height:1.6;max-width:560px;color:#f1f6fa;margin:0 0 26px}

.iq-visual{height:430px;position:relative}
.orbit{position:absolute;border:1px solid rgba(47,191,247,.38);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
.orbit-1{width:210px;height:210px}
.orbit-2{width:300px;height:300px;border-style:dashed}
.orbit-3{width:385px;height:385px}
.iq-core{position:absolute;width:118px;height:118px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;font-size:38px;font-weight:800;color:var(--cyan);background:#082743;border:2px solid var(--cyan);box-shadow:0 0 30px rgba(20,190,244,.25)}
.node{position:absolute;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 0 10px var(--cyan)}
.n1{left:49%;top:11%}.n2{right:18%;top:35%}.n3{right:19%;bottom:34%}.n4{left:49%;bottom:11%}.n5{left:19%;bottom:34%}.n6{left:18%;top:35%}
.connector{position:absolute;height:1px;background:rgba(83,200,245,.65);transform-origin:left center}
.c1{width:175px;left:50%;top:50%;transform:rotate(-35deg)}
.c2{width:175px;left:50%;top:50%;transform:rotate(35deg)}
.c3{width:175px;left:50%;top:50%;transform:rotate(145deg)}
.c4{width:175px;left:50%;top:50%;transform:rotate(215deg)}
.iq-card{position:absolute;width:190px;display:flex;gap:12px;align-items:flex-start;color:#fff}
.iq-card strong{font-size:13px;color:#77d9ff;display:block;margin-bottom:7px}
.iq-card span{font-size:12px;line-height:1.45;color:#dceaf3;display:block}
.iq-icon{width:48px;height:48px;min-width:48px;border:1px solid var(--cyan);border-radius:50%;display:grid;place-items:center;color:var(--cyan);font-size:21px}
.demand{left:1%;top:18%}.capacity{right:0;top:18%}.inventory{left:0;bottom:15%}.performance{right:0;bottom:15%}

.approach{padding:58px 0 68px;text-align:center}
.approach h2,.integrated h2{font-size:38px;letter-spacing:-1.5px;margin:14px 0 38px}
.approach-grid{display:grid;grid-template-columns:1fr 60px 1fr 60px 1fr 60px 1fr;align-items:center}
.approach article{padding:0 18px;min-height:225px;border-right:1px solid var(--line)}
.approach article:last-child{border-right:0}
.step-num{color:#008ed2;font-size:12px;font-weight:800;margin-bottom:10px}
.step-icon{width:58px;height:58px;border:1.5px solid var(--cyan);border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;font-size:23px}
.approach h3{font-size:16px;margin:0 0 12px}
.approach p{font-size:13px;line-height:1.55;color:var(--text);margin:0 auto;max-width:200px}
.arrow{color:var(--cyan);font-size:29px}

.integrated{padding:54px 0 68px;background:linear-gradient(110deg,#f7fbfe,#eef6fb)}
.integrated>.wrap{text-align:center}
.integrated h2{margin-bottom:8px}
.section-intro{color:#597087;margin:0 auto 40px;max-width:700px;line-height:1.5}
.integrated-grid{display:grid;grid-template-columns:1fr 260px 1fr;gap:38px;text-align:left;align-items:start}
.pillar h3{font-size:29px;line-height:1.05;margin:14px 0}
.pillar>p{font-size:14px;line-height:1.55;color:var(--text);min-height:62px}
.service-row{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid #ccd9e4;align-items:center}
.service-icon{width:36px;height:36px;min-width:36px;display:grid;place-items:center;border:1.5px solid #199ee3;border-radius:50%;color:#078dce}
.service-row strong{font-size:12px;display:block;margin-bottom:4px}
.service-row span{font-size:12px;line-height:1.4;color:#536a80;display:block}

.bridge{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center;flex-direction:column}
.bridge-core{width:122px;height:122px;border-radius:50%;display:grid;place-items:center;background:#082642;border:2px solid var(--cyan);color:var(--cyan);font-weight:800;font-size:34px;box-shadow:0 0 0 18px rgba(29,180,236,.08),0 0 0 35px rgba(29,180,236,.05)}
.bridge-line{position:absolute;top:130px;width:110px;height:1px;background:linear-gradient(90deg,transparent,#28b9ef)}
.bridge-line.l{left:0}.bridge-line.r{right:0;transform:scaleX(-1)}
.bridge-copy{text-align:center;color:#137ab1;font-size:13px;line-height:1.45;margin-top:32px}
.bridge-copy strong{color:var(--ink);font-size:16px}

.about{padding:58px 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.about h2{font-size:33px;line-height:1.05;margin:14px 0}
.about-copy{color:#526a81;line-height:1.65;font-size:15px}

.contact-strip{background:#08233f;color:#fff;padding:42px 0}
.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.contact-inner h2{margin:0 0 8px;font-size:27px}
.contact-inner p{margin:0;color:#cbd9e4}

footer{background:#061a31;color:#fff;padding:34px 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr .8fr;gap:30px;align-items:center}
.footer-brand{font-size:27px}
.footer-tag{color:#d5e1ea}
.copyright{font-size:11px;color:#c6d4df;margin-top:20px}
.footer-nav{display:flex;gap:25px;font-size:13px}
.footer-contact{font-size:13px;line-height:2;color:#dce8f1}

@media(max-width:980px){
  .main-nav,.nav-cta{display:none}
  .menu-btn{display:block}
  .nav-wrap.menu-open .main-nav{display:flex;position:absolute;top:92px;left:0;right:0;background:#fff;padding:18px 24px;flex-direction:column;gap:4px;border-top:1px solid #e8eef3}
  .nav-wrap.menu-open .main-nav a{padding:12px 0}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{text-align:center;padding-bottom:20px}
  .hero p{margin-left:auto;margin-right:auto}
  .iq-visual{height:420px}
  .approach-grid{grid-template-columns:1fr 1fr;gap:28px}
  .approach-grid .arrow{display:none}
  .approach article{border-right:0}
  .integrated-grid{grid-template-columns:1fr}
  .bridge{min-height:240px}
  .about-grid,.footer-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .wrap{width:min(100% - 28px,1180px)}
  .nav-wrap{height:78px}
  .brand-name{font-size:24px}
  .brand-tag{font-size:10px}
  .hero h1{font-size:48px}
  .hero-grid{min-height:auto}
  .iq-visual{height:520px}
  .iq-card{width:155px}
  .iq-card span{font-size:11px}
  .approach h2,.integrated h2{font-size:30px}
  .approach-grid{grid-template-columns:1fr}
  .approach article{min-height:auto;padding:18px 0}
  .contact-inner{flex-direction:column;align-items:flex-start}
  .footer-nav{flex-wrap:wrap}
}