:root{
  --bg:#07111f;
  --bg2:#0d1b2e;
  --card:#10233a;
  --text:#f5f8fc;
  --muted:#a9b7c8;
  --accent:#4ea1ff;
  --accent2:#78c1ff;
  --border:rgba(255,255,255,.10);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  background:
    radial-gradient(circle at 15% 10%,rgba(78,161,255,.17),transparent 30%),
    linear-gradient(145deg,var(--bg),var(--bg2));
  color:var(--text);
  min-height:100vh;
  line-height:1.65;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  width:min(1100px,92%);
  margin:auto;
}

header{
  border-bottom:1px solid var(--border);
  background:rgba(7,17,31,.88);
  backdrop-filter:blur(12px);
  position:sticky;
  top:0;
  z-index:10;
}

.nav{
  min-height:70px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.brand{
  font-size:25px;
  font-weight:800;
  letter-spacing:.3px;
}

.brand span{
  color:var(--accent);
}

nav{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
}

nav a{
  color:var(--muted);
  font-size:14px;
}

nav a:hover{
  color:#fff;
}

.hero{
  padding:95px 0 80px;
  text-align:center;
}

.badge{
  display:inline-block;
  padding:7px 13px;
  border:1px solid rgba(78,161,255,.35);
  border-radius:999px;
  color:var(--accent2);
  background:rgba(78,161,255,.08);
  font-size:13px;
}

.hero h1{
  max-width:800px;
  margin:22px auto 16px;
  font-size:clamp(42px,7vw,78px);
  line-height:1.05;
  letter-spacing:-2px;
}

.hero h1 span{
  color:var(--accent);
}

.hero p{
  max-width:680px;
  margin:0 auto;
  color:var(--muted);
  font-size:18px;
}

.actions{
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:32px;
}

.btn{
  display:inline-block;
  border-radius:12px;
  padding:13px 22px;
  font-weight:700;
  border:1px solid var(--border);
}

.btn-primary{
  background:var(--accent);
  color:#04101d;
  border-color:transparent;
}

.btn-secondary{
  background:rgba(255,255,255,.04);
}

.section{
  padding:70px 0;
}

.section-title{
  text-align:center;
  margin-bottom:38px;
}

.section-title h2{
  margin:0 0 10px;
  font-size:34px;
}

.section-title p{
  color:var(--muted);
  margin:0;
}

.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.card{
  padding:25px;
  border:1px solid var(--border);
  background:rgba(16,35,58,.72);
  border-radius:18px;
  box-shadow:0 14px 40px rgba(0,0,0,.15);
}

.card h3{
  margin-top:0;
}

.card p{
  color:var(--muted);
  margin-bottom:0;
}

.icon{
  font-size:28px;
  margin-bottom:13px;
}

.page{
  max-width:850px;
  margin:55px auto;
  padding:38px;
  background:rgba(16,35,58,.72);
  border:1px solid var(--border);
  border-radius:20px;
}

.page h1{
  margin-top:0;
  font-size:40px;
}

.page h2{
  margin-top:34px;
}

.page p,
.page li{
  color:#c0cad7;
}

.page a{
  color:var(--accent2);
}

.notice{
  background:rgba(78,161,255,.09);
  border:1px solid rgba(78,161,255,.25);
  padding:18px;
  border-radius:12px;
}

footer{
  margin-top:70px;
  border-top:1px solid var(--border);
  padding:28px 0;
  text-align:center;
  color:var(--muted);
  font-size:14px;
}

.footer-links{
  margin-bottom:10px;
}

.footer-links a{
  margin:0 8px;
}

@media(max-width:760px){
  .nav{
    padding:14px 0;
    align-items:flex-start;
    flex-direction:column;
  }

  nav{
    gap:13px;
  }

  .hero{
    padding-top:65px;
  }

  .grid{
    grid-template-columns:1fr;
  }

  .page{
    margin:30px auto;
    padding:24px;
  }
}