*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Microsoft JhengHei',sans-serif;background:#0b0f16;color:white;line-height:1.8}

nav{
position:fixed;top:0;width:100%;
background:rgba(0,0,0,.85);
display:flex;justify-content:space-between;
padding:15px 50px;z-index:1000;
backdrop-filter:blur(8px);
}
.logo{color:#d4af37;font-size:28px;font-weight:bold}
nav ul{display:flex;gap:25px;list-style:none}
nav a{text-decoration:none;color:white}
nav a:hover{color:#d4af37}

.hero{
height:100vh;
background:url('images/banner.png') center/cover no-repeat;
}
.overlay{
height:100%;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.8));
text-align:center;
}
.hero h1{
font-size:6rem;
color:#d4af37;
text-shadow:0 0 25px #d4af37;
}
.hero p{font-size:1.5rem;margin:20px}

.btn{
padding:15px 35px;
background:#d4af37;
color:black;
text-decoration:none;
border-radius:30px;
font-weight:bold;
transition:.3s;
}
.btn:hover{
transform:translateY(-5px);
box-shadow:0 0 20px #d4af37;
}

section{padding:100px 10%}
h2{
text-align:center;
font-size:2.8rem;
color:#d4af37;
margin-bottom:40px;
}

.card,.feature,.weapon-card{
background:#171d28;
padding:25px;
border-radius:15px;
box-shadow:0 0 15px rgba(0,0,0,.4);
}

.feature-grid,.weapon-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:25px;
}

.feature:hover,.weapon-card:hover{
transform:translateY(-8px);
transition:.3s;
}

#boss img{
width:100%;
border-radius:15px;
box-shadow:0 0 25px rgba(212,175,55,.3);
margin-bottom:20px;
}

footer{
background:#05070b;
padding:30px;
text-align:center;
color:#888;
}

@media(max-width:768px){
.hero h1{font-size:3rem}
nav{padding:10px 20px}
nav ul{gap:10px}
}