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

body{
    background:#f4f7fc;
    color:#333;
}

/* ================= HEADER ================= */

header{
    position:fixed;
    width:100%;
    top:0;
    left:0;
    padding:18px 8%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:rgba(12,25,55,.95);
    backdrop-filter:blur(12px);
    z-index:1000;
}

.logo{
    font-size:34px;
    font-weight:800;
    color:#fff;
    letter-spacing:2px;
}

nav ul{
    display:flex;
    list-style:none;
}

nav ul li{
    margin-left:30px;
}

nav ul li a{
    text-decoration:none;
    color:#fff;
    font-size:18px;
    transition:.3s;
}

nav ul li a:hover{
    color:#00d4ff;
}

/* ================= HOME ================= */

#home{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    flex-direction:column;
    text-align:center;
    background:linear-gradient(135deg,#0f172a,#1d4ed8,#38bdf8);
    color:white;
    padding:100px 10%;
}

/* BIG NAME */

#home h1{
    font-size:75px;
    font-weight:800;
    letter-spacing:3px;
    margin-bottom:10px;
    text-transform:uppercase;
}

#home h2{
    font-size:32px;
    color:#ffffff;
    margin-bottom:20px;
    font-weight:500;
}

#home p{
    max-width:750px;
    font-size:20px;
    line-height:1.8;
    margin-bottom:35px;
}

/* Button */

.btn{
    display:inline-block;
    padding:15px 40px;
    background:#fff;
    color:#0f172a;
    font-weight:700;
    text-decoration:none;
    border-radius:40px;
    transition:.4s;
}

.btn:hover{
    background:#00d4ff;
    color:#fff;
    transform:translateY(-5px);
}

/* ================= SECTION ================= */

section{
    padding:100px 10%;
}

section h2{
    text-align:center;
    font-size:42px;
    margin-bottom:50px;
    color:#0f172a;
    position:relative;
}

section h2::after{
    content:"";
    width:80px;
    height:4px;
    background:#0ea5e9;
    display:block;
    margin:15px auto;
}

/* ================= ABOUT ================= */

#about{
    text-align:center;
}

#about img{
    width:230px;
    height:230px;
    border-radius:50%;
    object-fit:cover;
    border:7px solid #0ea5e9;
    box-shadow:0 15px 40px rgba(0,0,0,.2);
    margin-bottom:25px;
}

#about p{
    max-width:900px;
    margin:auto;
    font-size:18px;
    line-height:1.8;
}

/* ================= SKILLS ================= */

#skills ul{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:18px;
    list-style:none;
}

#skills li{
    background:#0ea5e9;
    color:#fff;
    padding:14px 28px;
    border-radius:40px;
    font-size:18px;
    transition:.4s;
}

#skills li:hover{
    background:#0f172a;
    transform:translateY(-8px);
}

/* ================= PROJECT ================= */

.project{
    width:340px;
    display:inline-block;
    margin:20px;
    border-radius:18px;
    overflow:hidden;
    background:white;
    box-shadow:0 12px 35px rgba(0,0,0,.15);
    transition:.4s;
}

.project:hover{
    transform:translateY(-10px);
}

.project img{
    width:100%;
    height:220px;
    object-fit:cover;
}

.project h3{
    font-size:24px;
    padding:20px 20px 10px;
    color:#0f172a;
}

.project p{
    padding:0 20px 25px;
    line-height:1.6;
}

/* ================= CERTIFICATES ================= */

#certificates ul{
    list-style:none;
}

#certificates li{
    background:white;
    width:70%;
    margin:20px auto;
    padding:18px;
    border-left:6px solid #0ea5e9;
    box-shadow:0 8px 20px rgba(0,0,0,.15);
    border-radius:10px;
}

/* ================= CONTACT ================= */

#contact{
    text-align:center;
}

#contact p{
    font-size:20px;
    margin:18px;
}

/* ================= FOOTER ================= */

footer{
    background:#0f172a;
    color:white;
    text-align:center;
    padding:30px;
    font-size:18px;
}

/* ================= MOBILE ================= */

@media(max-width:768px){

header{
    flex-direction:column;
    padding:15px;
}

.logo{
    margin-bottom:10px;
}

nav ul{
    flex-direction:column;
}

nav ul li{
    margin:10px;
}

#home h1{
    font-size:42px;
}

#home h2{
    font-size:24px;
}

#home p{
    font-size:17px;
}

.project{
    width:100%;
}

#certificates li{
    width:95%;
}
}