body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

header {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    margin: 0.5rem 0 0;
    font-size: 1.2rem;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: white;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.skills-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.skill-category {
    width: 48%;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #2c3e50;
    color: white;
}

@media (max-width: 600px) {
    .skills-container {
        flex-direction: column;
    }
    .skill-category {
        width: 100%;
    }
}