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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.header {
    background-color: #333;
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.1em;
    opacity: 0.9;
}

.skills {
    padding: 30px;
}

.skills h2 {
    font-size: 1.8em;
    margin-bottom: 25px;
    color: #333;
    border-bottom: 2px solid #333;
    padding-bottom: 10px;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.skill-category {
    padding: 15px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
}

.skill-category h3 {
    color: #333;
    margin-bottom: 12px;
    font-size: 1.1em;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 6px 0;
    border-bottom: 1px solid #eee;
}

.skill-category li:last-child {
    border-bottom: none;
}

.footer {
    padding: 20px 30px;
    background-color: #f9f9f9;
    text-align: center;
    border-top: 1px solid #ddd;
    font-size: 0.9em;
    color: #666;
}