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

body{
background:#020c1b;
color:#fff;
line-height:1.6;
overflow-x:hidden;
}

/* HEADER */

header{
position:fixed;
top:0;
left:0;
width:100%;
background:#04152d;
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 8%;
border-bottom:1px solid #0d2c56;
z-index:1000;
}

.logo a{
text-decoration:none;
font-size:28px;
font-weight:bold;
color:#00c8ff;
}

nav{
display:flex;
gap:25px;
}

nav a{
text-decoration:none;
color:#fff;
font-size:16px;
transition:.3s;
}

nav a:hover

.menu-toggle{
display:none;
font-size:35px;
cursor:pointer;
color:#00c8ff;
}

/* HERO */

.hero{
min-height:100vh;
display:flex;
justify-content:center;
align-items:center;
text-align:center;
padding:120px 30px 80px;
background:linear-gradient(
135deg,
#001529,
#00264d,
#003b73,
#005b96
);
}

.hero-content{
max-width:1000px;
}

.hero h1{
font-size:72px;
font-weight:700;
line-height:1.1;
margin-bottom:25px;
}

.hero p{
font-size:24px;
margin-bottom:40px;
}

/* BUTTON */

.btn{
display:inline-block;
padding:15px 35px;
margin:10px;
background:#00c8ff;
color:#fff;
text-decoration:none;
border-radius:8px;
transition:.3s;
}

.btn:hover{
background:#0099cc;
transform:translateY(-3px);
}

/* SECTION */

.section{
padding:100px 10%;
}

.section h2{
text-align:center;
font-size:48px;
margin-bottom:50px;
color:#00c8ff;
}

/* CARDS */

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

.card{
background:#071a36;
padding:30px;
border-radius:15px;
text-align:center;
text-decoration:none;
color:white;
transition:.3s;
}

.card:hover{
transform:translateY(-10px);
border:1px solid #00c8ff;
}

.card h3{
margin-bottom:15px;
color:#00c8ff;
}

/* PAGE BANNER */

.page-banner{
padding-top:160px;
padding-bottom:80px;
background:#04152d;
text-align:center;
}

.page-banner h1{
font-size:60px;
color:#00c8ff;
}

.page-banner p{
font-size:20px;
margin-top:10px;
}

/* CONTENT */

.content{
padding:80px 10%;
}

.content h2{
margin-bottom:20px;
color:#00c8ff;
}

.content ul{
margin-left:20px;
}

.project-box{
background:#071a36;
padding:25px;
border-radius:12px;
margin-bottom:25px;
}

/* FOOTER */

footer{
background:#04152d;
padding:40px;
text-align:center;
border-top:1px solid #0d2c56;
}

footer h3{
color:#00c8ff;
margin-bottom:10px;
}

/* MOBILE */

@media(max-width:768px){

header{
padding:15px 20px;
flex-wrap:wrap;
}

.logo a{
font-size:18px;
}

.menu-toggle{
display:block;
}

nav{
display:none;
width:100%;
margin-top:15px;
flex-direction:column;
text-align:center;
background:#04152d;
}

nav.active{
display:flex;
}

nav a{
padding:12px;
}

.hero{
padding:120px 20px 60px;
min-height:auto;
}

.hero h1{
font-size:42px;
line-height:1.2;
}

.hero p{
font-size:18px;
}

.btn{
display:block;
width:90%;
max-width:300px;
margin:10px auto;
}

.section{
padding:60px 20px;
}

.section h2{
font-size:34px;
}

.page-banner{
padding-top:130px;
}

.page-banner h1{
font-size:40px;
}

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

}