:root{
  --black:#000000;
  --white:#ffffff;
  --green:#C6FF00;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--black);
  color:var(--white);
  font-family: Arial, "Tahoma", sans-serif;
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 5vw;
  background:rgba(0,0,0,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(198,255,0,.25);
}
.brand{display:flex;gap:14px;align-items:center}
.logo-mark{
  width:54px;height:54px;border:2px solid var(--green);
  display:grid;place-items:center;font-weight:900;
  transform:skew(-8deg);
}
.brand strong{font-size:22px;letter-spacing:1px;display:block}
.brand span,.footer span{color:var(--green)}
.brand small{font-size:12px;opacity:.8;letter-spacing:2px}
.nav{display:flex;gap:24px;align-items:center}
.nav a{font-size:14px;opacity:.9}
.nav a:hover{color:var(--green)}
.nav-cta{
  border:1px solid var(--green);
  padding:10px 16px;
}
.menu-btn{display:none;background:none;color:var(--white);border:1px solid var(--green);font-size:22px}
.hero{
  min-height:86vh;
  display:grid;grid-template-columns:1.2fr .8fr;
  gap:50px;align-items:center;
  padding:70px 5vw;
  background:
    linear-gradient(135deg, rgba(198,255,0,.12), transparent 35%),
    radial-gradient(circle at top left, rgba(198,255,0,.16), transparent 28%);
}
.eyebrow{color:var(--green);text-transform:uppercase;letter-spacing:3px;font-weight:700}
h1,h2,h3{line-height:1.15;margin:0 0 20px}
h1{font-size:clamp(46px,8vw,92px);letter-spacing:-2px}
h1 span{color:var(--green)}
h2{font-size:clamp(32px,5vw,58px)}
.lead{font-size:20px;max-width:780px;opacity:.86}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-block;border:1px solid var(--green);
  padding:14px 24px;font-weight:800;text-align:center;
}
.btn.primary{background:var(--green);color:var(--black)}
.btn.secondary{background:transparent;color:var(--white)}
.btn:hover{box-shadow:0 0 30px rgba(198,255,0,.35);transform:translateY(-2px)}
.hero-card,.card,.project-card,.vision-card{
  border:1px solid rgba(198,255,0,.35);
  background:linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  padding:28px;
  position:relative;
}
.hero-card:before,.project-card:before{
  content:"";position:absolute;top:0;right:0;
  width:90px;height:8px;background:var(--green);
}
.hero-card ul{padding-inline-start:20px}
.section{padding:80px 5vw}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:14px;border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1)
}
.stats div{background:var(--white);color:var(--black);padding:24px}
.stats strong{display:block;font-size:32px}
.stats span{font-size:13px}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
.vision-grid,.cards,.project-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px
}
.card h3,.project-card h3,.vision-card h3{color:var(--green)}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;flex-wrap:wrap}
.filters{display:flex;gap:10px;flex-wrap:wrap}
.filters button{
  background:transparent;color:var(--white);border:1px solid rgba(198,255,0,.5);
  padding:10px 14px;cursor:pointer
}
.filters button.active,.filters button:hover{background:var(--green);color:var(--black)}
.project-card span{color:var(--green);font-size:13px;text-transform:uppercase}
.inquiry{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;background:var(--white);color:var(--black)}
.inquiry .eyebrow{color:var(--black)}
.form{display:grid;gap:14px}
.form label{display:grid;gap:7px;font-weight:700}
.form input,.form select,.form textarea{
  width:100%;padding:14px;border:2px solid var(--black);
  background:var(--white);font-size:16px
}
.footer{
  display:grid;grid-template-columns:1fr 1.4fr .8fr;gap:30px;
  padding:50px 5vw;border-top:8px solid var(--green)
}
.footer a{display:block;margin:8px 0;opacity:.85}
.footer a:hover{color:var(--green)}

@media(max-width:900px){
  .nav{display:none;position:absolute;top:90px;left:5vw;right:5vw;background:var(--black);border:1px solid var(--green);padding:20px;flex-direction:column;align-items:flex-start}
  .nav.open{display:flex}
  .menu-btn{display:block}
  .hero,.split,.inquiry,.footer{grid-template-columns:1fr}
  .stats,.vision-grid,.cards,.project-grid{grid-template-columns:1fr}
  .site-header{padding:14px 4vw}
}