:root{
    --bg:#f8fafc;
    --card:#ffffff;
    --text:#0f1724;
    --muted:#475569;
    --accent:#7c3aed;
    --accent-2:#06b6d4;
    --container:1100px;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Inter',sans-serif;
    background:
        radial-gradient(circle at top left,
        rgba(124,58,237,.08),
        transparent 40%),

        radial-gradient(circle at bottom right,
        rgba(6,182,212,.08),
        transparent 40%),

        #f8fafc;

    color:var(--text);
    line-height:1.6;
}

.container{
    max-width:var(--container);
    margin:auto;
    padding:0 20px;
}

/* HEADER */

.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(255,255,255,.85);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(0,0,0,.05);
}

.header-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 0;
}

.logo{
    text-decoration:none;
    font-weight:700;
    font-size:1.4rem;
    color:var(--accent);
    font-family:'Poppins',sans-serif;
}

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

.nav a{
    text-decoration:none;
    color:var(--muted);
    font-weight:600;
    transition:.3s;
}

.nav a:hover{
    color:var(--accent);
}

/* HERO */

.hero{
    padding:60px 0;
}

.hero-inner{
    display:grid;
    grid-template-columns:1fr 320px;
    align-items:center;
    gap:50px;
}

.hero-copy h1{
    font-size:3rem;
    font-family:'Poppins',sans-serif;
    margin-bottom:15px;
}

.lead{
    color:var(--muted);
    font-size:1.1rem;
    margin-bottom:25px;
}

.hero-buttons{
    display:flex;
    gap:12px;
    flex-wrap:wrap;
}

.btn{
    display:inline-block;
    text-decoration:none;
    padding:12px 22px;
    border-radius:12px;
    font-weight:600;
    color:white;
    background:linear-gradient(
        135deg,
        var(--accent),
        var(--accent-2)
    );
    transition:.3s;
}

.btn:hover{
    transform:translateY(-3px);
}

.btn.ghost{
    background:white;
    color:var(--text);
    border:1px solid #ddd;
}

.hero-media img{
    width:300px;
    height:300px;
    border-radius:50%;
    object-fit:cover;
    border:6px solid white;
    box-shadow:0 20px 40px rgba(0,0,0,.12);
}

/* SECTIONS */

.section{
    padding:45px 0;
}

h2{
    font-family:'Poppins',sans-serif;
    margin-bottom:20px;
    font-size:2rem;
}

h3{
    margin-bottom:10px;
}

/* CARDS */

.card{
    background:white;
    border-radius:16px;
    padding:24px;
    box-shadow:0 8px 25px rgba(0,0,0,.05);
    transition:.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card ul{
    margin-top:12px;
    padding-left:20px;
}

.card ul li{
    margin-bottom:8px;
}

/* PROJECTS */

.projects-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:20px;
    margin-top:20px;
}

/* SKILLS */

.skills-list{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    list-style:none;
    margin-bottom:20px;
}

.skills-list li{
    background:white;
    padding:10px 18px;
    border-radius:999px;
    box-shadow:0 4px 10px rgba(0,0,0,.05);
    transition:.3s;
}

.skills-list li:hover{
    transform:translateY(-3px);
}

/* CONTACT */

#contact p{
    margin-bottom:12px;
}

#contact a{
    color:var(--accent);
    text-decoration:none;
}

#contact a:hover{
    text-decoration:underline;
}

/* FOOTER */

.site-footer{
    margin-top:50px;
    border-top:1px solid rgba(0,0,0,.08);
}

.footer-inner{
    padding:25px 0;
    text-align:center;
    color:var(--muted);
}

/* RESPONSIVE */

@media(max-width:900px){

    .hero-inner{
        grid-template-columns:1fr;
        text-align:center;
    }

    .hero-media{
        order:-1;
    }

    .hero-media img{
        margin:auto;
        width:250px;
        height:250px;
    }

    .header-inner{
        flex-direction:column;
        gap:15px;
    }

    .nav{
        flex-wrap:wrap;
        justify-content:center;
    }
}