:root{
  --bg:#0b1420;
  --panel:#142336;
  --panel2:#1b2e43;
  --ink:#edf5fb;
  --muted:#a4b6c8;
  --accent:#44d3bf;
  --gold:#f3bd67;
  --line:#2b4155;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px/1.8 Arial,sans-serif;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:auto;padding:0 25px}
header{
  background:#101d2d;
  border-bottom:1px solid var(--line);
}
nav{
  min-height:90px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.logo{font-size:28px;font-weight:800}
.logo span{color:var(--accent)}
.menu{display:flex;gap:24px;flex-wrap:wrap}
.menu a{font-size:14px;font-weight:700}
.menu a:hover{color:var(--accent)}
.hero{
  padding:110px 0;
  background:
    radial-gradient(circle at 80% 25%,#23576a,transparent 35%),
    linear-gradient(125deg,#0b1420,#1a3147);
}
.kicker{
  color:var(--accent);
  font-size:12px;
  font-weight:800;
  letter-spacing:3px;
  text-transform:uppercase;
}
h1,h2,h3{line-height:1.2}
h1{
  font-size:clamp(42px,7vw,76px);
  max-width:850px;
}
h2{font-size:clamp(30px,4vw,43px)}
h3{font-size:25px}
p{color:var(--muted)}
.lead{font-size:21px;max-width:740px}
.button{
  display:inline-block;
  background:var(--accent);
  color:#091820;
  padding:14px 29px;
  border-radius:9px;
  font-weight:800;
  margin-top:22px;
}
section{padding:75px 0}
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:23px;
  margin-top:35px;
}
.card{
  display:block;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:32px;
  transition:.2s;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--accent);
}
.card small{
  color:var(--accent);
  font-size:12px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-weight:800;
}
.card p{font-size:15px}
.article{
  max-width:850px;
  margin:75px auto;
  padding:0 25px;
  min-height:55vh;
}
.article h1{font-size:clamp(37px,6vw,58px)}
.article h2{font-size:30px;margin-top:40px}
.article p,.article li{font-size:17px;line-height:2}
.feature{
  background:var(--panel2);
  border-left:5px solid var(--accent);
  border-radius:10px;
  padding:43px;
}
footer{
  background:#080f18;
  border-top:1px solid var(--line);
  padding:45px 0;
}
footer p{color:var(--muted)}
@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:650px){
  nav{
    flex-direction:column;
    align-items:flex-start;
    padding:20px 0;
  }
  .menu{gap:14px}
  .grid{grid-template-columns:1fr}
  .hero{padding:65px 0}
  section{padding:48px 0}
  .feature{padding:25px}
}