*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Segoe UI',sans-serif;
  scroll-behavior:smooth;
}

body{
  background:url("assets/background.png") no-repeat center center fixed;
  background-size:cover;
  color:white;
  font-size:18px;
}

.overlay{
  background:rgba(8,12,35,0.90);
  min-height:100vh;
}

nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:28px 90px;
  background:rgba(0,0,0,0.60);
  backdrop-filter:blur(18px);
  position:sticky;
  top:0;
  z-index:9999;
}

nav img{height:55px;}

nav a{
  position:relative;
  color:white;
  text-decoration:none;
  margin-left:35px;
  font-weight:600;
  font-size:1.15rem;
}

nav a::after{
  content:"";
  position:absolute;
  width:0%;
  height:2px;
  bottom:-8px;
  left:0;
  background:#4da3ff;
  transition:0.3s ease;
}

nav a:hover::after{width:100%;}

.warning-box{
  position:fixed;
  top:120px;
  right:50px;
  width:380px;
  padding:25px;
  border-radius:20px;
  background:rgba(255,60,60,0.20);
  backdrop-filter:blur(30px);
  border:1px solid rgba(255,80,80,0.65);
  font-size:1rem;
  line-height:1.8;
  z-index:1000000;
}

.hero{
  text-align:center;
  padding:220px 20px 170px 20px;
}

.hero h1{
  font-size:6rem;
  margin-bottom:35px;
}

.hero p{
  font-size:1.55rem;
  max-width:1200px;
  margin:auto;
  line-height:2.1;
}

.section{
  padding:130px 10%;
}

.section h2{
  font-size:3.4rem;
  margin-bottom:70px;
}

.card{
  background:rgba(255,255,255,0.10);
  padding:50px;
  border-radius:24px;
  margin-bottom:50px;
  backdrop-filter:blur(14px);
  transition:0.3s;
  line-height:2;
  font-size:1.2rem;
}

.card h3{
  font-size:1.9rem;
  margin-bottom:18px;
}

.card:hover{
  background:rgba(255,255,255,0.22);
  transform:translateY(-6px);
}

.button{
  display:inline-block;
  margin-top:22px;
  background:#4da3ff;
  padding:14px 26px;
  border-radius:12px;
  text-decoration:none;
  color:white;
  font-weight:600;
  font-size:1.05rem;
  transition:0.3s;
}

.button:hover{
  box-shadow:0 0 20px #4da3ff;
  transform:translateY(-3px);
}

footer{
  text-align:center;
  padding:80px;
  font-size:1.1rem;
  background:rgba(0,0,0,0.70);
  margin-top:120px;
}