:root{
  --bg:#070A12;
  --card:#111A2E;
  --text:#E5E7EB;
  --muted:#9CA3AF;
  --accent:#3B82F6;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Inter, system-ui, sans-serif;
}

body{
  background:radial-gradient(circle at top, #0B1630, var(--bg) 60%);
  color:var(--text);
  overflow-x:hidden;
}

/* layout */
.container{
  max-width:1000px;
  margin:auto;
  padding:0 20px;
}

/* NAV */
nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:24px 0;
}

.logo{
  font-weight:600;
  letter-spacing:-0.5px;
}

/* BUTTONS */
.btn{
  padding:10px 14px;
  border-radius:10px;
  background:var(--accent);
  color:white;
  text-decoration:none;
  transition:.2s;
}

.btn:hover{
  transform:translateY(-2px);
  opacity:.9;
}

/* HERO */
.hero{
  text-align:center;
  padding:110px 0 70px;
}

.hero h1{
  font-size:56px;
  letter-spacing:-1.5px;
  line-height:1.05;
}

.hero p{
  margin-top:16px;
  color:var(--muted);
  max-width:620px;
  margin-left:auto;
  margin-right:auto;
}

.cta{
  display:inline-block;
  margin-top:26px;
  padding:12px 18px;
  background:linear-gradient(135deg,#3B82F6,#7C5CFF);
  color:white;
  border-radius:12px;
  text-decoration:none;
  transition:.2s;
}

.cta:hover{
  transform:translateY(-3px);
}

/* sections */
section{
  padding:70px 0;
}

h2{
  font-size:18px;
  margin-bottom:16px;
}

/* muted text */
.muted{
  color:var(--muted);
  max-width:650px;
}

/* grid */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;
}

/* cards */
.card{
  background:var(--card);
  padding:20px;
  border-radius:16px;
  transition:.25s ease;
  border:1px solid rgba(255,255,255,0.06);
}

.card:hover{
  transform:translateY(-6px);
  border-color:rgba(59,130,246,0.4);
}

.card p{
  color:var(--muted);
  font-size:14px;
  margin-top:8px;
}

/* glow */
.glow{
  position:absolute;
  width:600px;
  height:600px;
  background:radial-gradient(circle, rgba(59,130,246,.25), transparent 60%);
  top:-200px;
  left:50%;
  transform:translateX(-50%);
  filter:blur(60px);
  z-index:-1;
}

/* FOOTER */
footer{
  text-align:center;
  padding:40px;
  color:var(--muted);
  font-size:13px;
}

/* ANIMATION SYSTEM */
.fade{
  opacity:0;
  transform:translateY(20px);
  transition:0.8s ease;
}

.fade.show{
  opacity:1;
  transform:translateY(0);
}