/* ======= GLOBAL ======= */
*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:"Segoe UI", Arial, sans-serif;
}
body{
background:#0b0f19;
color:white;
line-height:1.6;
}

/* HEADER */
header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 60px;
background:#12172a;
position:sticky;
top:0;
z-index:1000;
}
.logo{
font-size:24px;
font-weight:600;
}
nav{
display:flex;
}
nav a{
margin-left:25px;
text-decoration:none;
color:white;
transition:0.3s;
}
nav a:hover{
color:#00ff9d;
}
.menu-btn{
display:none;
font-size:28px;
cursor:pointer;
}

/* HERO */
.hero{
text-align:center;
padding:140px 20px;
max-width:900px;
margin:auto;
}
.hero h1{
font-size:50px;
margin-bottom:20px;
}
.hero p{
font-size:18px;
opacity:0.85;
margin-bottom:20px;
}
.hero .btn{
padding:14px 34px;
border:none;
background:#00ff9d;
color:black;
border-radius:6px;
font-weight:600;
cursor:pointer;
text-decoration:none;
transition:0.3s;
}
.hero .btn:hover{
transform:translateY(-3px);
}

/* ABOUT */
.about{
padding:90px 60px;
text-align:center;
}
.about h2{
font-size:32px;
margin-bottom:20px;
}

/* SKILLS */
.skills{
padding:90px 60px;
text-align:center;
}
.skills h2{
font-size:32px;
margin-bottom:40px;
}
.skill-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}
.skill-card{
background:#151b2e;
padding:30px;
border-radius:12px;
transition:0.3s;
}
.skill-card:hover{
transform:translateY(-5px);
background:#1c223a;
}

/* PROJECTS */
.projects{
padding:90px 60px;
text-align:center;
}
.projects h2{
font-size:32px;
margin-bottom:40px;
}
.project-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:30px;
}
.project-card{
background:#151b2e;
padding:35px;
border-radius:12px;
transition:0.3s;
}
.project-card:hover{
transform:translateY(-5px);
background:#1c223a;
}

/* CONTACT */
.contact{
padding:90px 60px;
text-align:center;
}
.contact form{
max-width:520px;
margin:auto;
display:flex;
flex-direction:column;
gap:15px;
}
.contact input, .contact textarea{
padding:14px;
border:none;
border-radius:6px;
background:#1a1f34;
color:white;
}
.contact textarea{
min-height:120px;
}
.contact button{
padding:14px;
border:none;
background:#00ff9d;
color:black;
font-weight:600;
border-radius:6px;
cursor:pointer;
}
.contact button:hover{
background:#00d887;
}

/* FOOTER */
footer{
text-align:center;
padding:35px;
background:#12172a;
margin-top:60px;
}

/* MOBILE */
@media (max-width:768px){
header{
padding:20px;
}
nav{
display:none;
flex-direction:column;
background:#12172a;
position:absolute;
top:70px;
right:0;
width:200px;
padding:20px;
}
nav a{
margin:10px 0;
}
nav.active{
display:flex;
}
.menu-btn{
display:block;
}
.hero h1{
font-size:36px;
}
.about, .skills, .projects, .contact{
padding:70px 25px;
}
}