body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f6fb;
    color: #222;
    margin: 0;
    padding: 0;
}
header {
    background: linear-gradient(90deg, #4e54c8, #8f94fb);
    color: #fff;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
}
nav {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
    margin: 0;
}
nav li {
    margin: 0 1.5rem;
}
nav a {
    text-decoration: none;
    color: #4e54c8;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.2s;
}
nav a:hover {
    color: #8f94fb;
}
section {
    max-width: 800px;
    margin: 2rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}
footer {
    text-align: center;
    padding: 1rem;
    background: #4e54c8;
    color: #fff;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    margin-top: 2rem;
}
img.profile {
    width: 120px;
    height: auto;
    border-radius: 50%;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.projects {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}
.project-card {
    background: #f4f6fb;
    border-radius: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    padding: 1rem;
    width: 220px;
    text-align: left;
}
.project-card h4 {
    margin-top: 0;
    color: #4e54c8;
}
@media (max-width: 600px) {
    section {
        padding: 1rem;
    }
    nav ul {
        flex-direction: column;
    }
    nav li {
        margin: 0.5rem 0;
    }
    .projects {
        flex-direction: column;
        align-items: center;
    }
}