:root{--navy:#071b2e;--blue:#123b59;--volt:#ffd600;--white:#f7fbff;--wire:#72d7ff}*{box-sizing:border-box}body{margin:0;background:var(--navy);color:var(--white);font:16px/1.65 system-ui,sans-serif}a{color:var(--wire)}header,main,footer{max-width:1200px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #42718e}.brand{font-weight:900;color:white;text-decoration:none}.brand b{color:var(--volt)}nav{display:flex;gap:18px;flex-wrap:wrap}.hero{padding:78px 0 45px}.eyebrow{font:800 .78rem monospace;color:var(--volt);text-transform:uppercase;letter-spacing:.15em}h1,h2{line-height:1.02;letter-spacing:-.05em}h1{font-size:clamp(3.4rem,9vw,8rem);max-width:12ch;margin:.12em 0}h2{font-size:clamp(2rem,4vw,3.5rem)}.circuit{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:40px 0 75px}.node{border:1px solid #42718e;padding:22px;min-height:210px;position:relative}.node:after{content:"";height:5px;background:var(--volt);position:absolute;left:0;right:0;bottom:0}.node strong{color:var(--volt)}.split{display:grid;grid-template-columns:1fr 1fr;gap:35px}.panel{background:var(--blue);padding:28px;border-left:7px solid var(--volt)}.cta{display:inline-block;background:var(--volt);color:var(--navy);padding:14px 20px;text-decoration:none;font-weight:900}.page{max-width:900px;margin:auto;padding:65px 22px}.page p,.page li{max-width:74ch;color:#c9dceb}.lead{min-height:330px;border:1px dashed var(--wire);padding:22px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:24px}footer{border-top:1px solid #42718e;margin-top:70px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}@media(max-width:800px){.circuit,.split,.contact{grid-template-columns:1fr}header{flex-direction:column}.node{min-height:0}}