:root{
  --bg:#071018; --bg2:#0d1822; --panel:#101d28; --text:#edf4f8; --muted:#adc0cc;
  --line:#203543; --blue:#5e8eff; --cyan:#61d5ff; --gold:#e9b43f; --white:#fff;
  --max:1180px; --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(7,16,24,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;font-weight:800;letter-spacing:.01em}
.brand-mark{width:42px;height:42px;border-radius:11px;border:1px solid #284151;background:
linear-gradient(145deg,rgba(94,142,255,.35),rgba(97,213,255,.06)),url('assets/patent-schematic.jpg') center/145px auto}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:.74rem;letter-spacing:.07em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:24px;font-size:.94rem;color:#d6e1e8}
.nav-links a:hover,.nav-links a.active{color:var(--cyan)}
.cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#071018;font-weight:800}
.menu-btn{display:none;background:none;border:0;color:white;font-size:1.6rem}
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08);background:
radial-gradient(circle at 75% 25%,rgba(94,142,255,.23),transparent 35%),
linear-gradient(110deg,#071018 12%,#0b1620 55%,#071018)}
.hero:after{content:"";position:absolute;inset:0;background:url('assets/patent-schematic.jpg') 88% 50%/620px auto no-repeat;opacity:.24;mix-blend-mode:screen;pointer-events:none}
.hero-grid{position:relative;z-index:1;min-height:650px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:60px;padding:78px 0}
.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:800}
h1{font-size:clamp(2.8rem,6vw,5.6rem);line-height:.98;margin:14px 0 24px;letter-spacing:-.045em;max-width:790px}
h2{font-size:clamp(2rem,3vw,3.1rem);line-height:1.1;letter-spacing:-.025em;margin:0 0 18px}
h3{font-size:1.25rem;margin:0 0 10px}
.lead{font-size:clamp(1.1rem,2vw,1.36rem);color:#c7d6df;max-width:720px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn-secondary{display:inline-flex;padding:12px 18px;border-radius:999px;border:1px solid #385265;color:#e6f2f8;font-weight:700}
.hero-card{background:rgba(16,29,40,.72);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:26px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.hero-card img{aspect-ratio:1/1;object-fit:cover;border-radius:13px;opacity:.9}
.hero-card .caption{margin-top:14px;color:var(--muted);font-size:.9rem}
.flow{padding:54px 0;background:#0a141d;border-bottom:1px solid rgba(255,255,255,.08)}
.flow-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;align-items:stretch}
.flow-step{position:relative;background:#0f1c27;border:1px solid #1d3443;border-radius:14px;padding:20px 17px;text-align:center;font-weight:750}
.flow-step:not(:last-child):after{content:"→";position:absolute;right:-17px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:1.45rem;z-index:2}
.section{padding:92px 0}
.section.alt{background:#0a141d}
.section-intro{max-width:760px;margin-bottom:42px;color:var(--muted);font-size:1.06rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:linear-gradient(180deg,#101e29,#0c1821);border:1px solid #1e3545;border-radius:var(--radius);padding:28px;min-height:260px}
.card .num{font-size:.78rem;color:var(--cyan);font-weight:800;letter-spacing:.13em}
.card p{color:var(--muted)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.tag{font-size:.78rem;padding:6px 9px;border-radius:999px;background:#162a39;color:#cce1eb;border:1px solid #274455}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.case{overflow:hidden;background:#0e1b25;border:1px solid #203746;border-radius:20px}
.case-media{height:330px;background:#020608;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-media.schematic img{object-fit:contain;padding:22px;background:#000}
.case-body{padding:28px}
.case-body p{color:var(--muted)}
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#213544;border:1px solid #213544;border-radius:18px;overflow:hidden}
.stat{background:#0d1923;padding:26px;text-align:center}
.stat strong{display:block;font-size:2.1rem;color:white;line-height:1}
.stat span{display:block;color:var(--muted);margin-top:8px;font-size:.9rem}
.quote{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.2;max-width:900px;margin:0;color:#eef7fb}
.quote strong{color:var(--cyan)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.split p{color:var(--muted)}
.list{display:grid;gap:12px;margin-top:22px}
.list div{padding:13px 0;border-top:1px solid #1b3140}
.footer{border-top:1px solid rgba(255,255,255,.08);background:#050b10;padding:42px 0;color:#91a8b6}
.footer-grid{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}
.footer strong{color:white}
.page-hero{padding:90px 0 70px;background:radial-gradient(circle at 85% 20%,rgba(94,142,255,.22),transparent 32%),#09131c;border-bottom:1px solid #1b2e3a}
.page-hero h1{font-size:clamp(2.6rem,5vw,4.8rem);max-width:920px}
.content{padding:80px 0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.prose{max-width:840px;color:#c6d5dd}
.prose h2,.prose h3{color:white}
.timeline{display:grid;gap:14px}
.timeline article{padding:20px 22px;border-left:3px solid var(--blue);background:#0d1923;border-radius:0 12px 12px 0}
.timeline time{color:var(--cyan);font-size:.8rem;font-weight:800;letter-spacing:.08em}
.pub-list{display:grid;gap:12px}
.pub{padding:18px 20px;border:1px solid #203746;border-radius:12px;background:#0c1821}
.pub strong{display:block}
.pub span{color:var(--muted);font-size:.91rem}
.contact-box{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;background:#0e1b25;border:1px solid #203746;border-radius:22px;padding:34px}
.contact-details{display:grid;gap:12px}
.contact-details a{color:var(--cyan)}
.notice{color:#8ea3af;font-size:.84rem;margin-top:20px}
@media(max-width:900px){
  .nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:#071018;padding:20px;flex-direction:column;border-bottom:1px solid #203746}
  .nav-links.open{display:flex}.menu-btn{display:block}.nav .cta{display:none}
  .hero-grid,.split,.case-grid,.two-col,.contact-box{grid-template-columns:1fr}
  .hero-grid{min-height:auto;padding:64px 0}.hero-card{max-width:520px}
  .flow-row{grid-template-columns:1fr 1fr}.flow-step:nth-child(2):after{display:none}
  .cards{grid-template-columns:1fr}.statbar{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .container{width:min(var(--max),calc(100% - 26px))}
  .hero:after{opacity:.12;background-size:500px auto}
  .flow-row{grid-template-columns:1fr}.flow-step:after{display:none}
  .statbar{grid-template-columns:1fr}.footer-grid{flex-direction:column}
  .section{padding:68px 0}.page-hero{padding:66px 0 52px}
}

/* Experience page: retain the original timeline and add one supporting RF-system image. */
.experience-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(310px,.72fr);gap:34px;align-items:start}
.experience-visual{margin:0;background:#0d1923;border:1px solid #203746;border-radius:16px;overflow:hidden;position:sticky;top:102px}
.experience-visual img{width:100%;height:auto;object-fit:contain;background:#020608}
.experience-visual p{margin:0;padding:14px 16px;color:var(--muted);font-size:.88rem;line-height:1.45}
@media(max-width:900px){
  .experience-layout{grid-template-columns:1fr}
  .experience-visual{position:static;max-width:620px;margin:8px auto 0}
}