body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 20px 0;
    flex: 1;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

nav ul {
    padding: 0;
    list-style: none;
    text-align: center;
    background: #444;
    margin: 0;
}

av ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    padding: 15px 20px;
    display: inline-block;
    transition: background 0.3s;
}

nav ul li a:hover, .active {
    background: #555;
}

section {
    padding: 20px;
    margin-bottom: 20px;
    background: #fff;
    border-radius: 5px;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h2 {
    color: #333;
}

#about img {
    max-width: 200px;
    border-radius: 50%;
    float: left;
    margin-right: 20px;
}

.skills ul {
    list-style: none;
    padding: 0;
}

.skills li {
    display: inline-block;
    background: #333;
    color: #fff;
    padding: 5px 15px;
    margin: 5px;
    border-radius: 5px;
    transition: transform 0.2s;
}

.skills li:hover {
    transform: scale(1.1);
}

.work-experience .job, .education-item, .certificate-item {
    margin-bottom: 20px;
    border-left: 3px solid #333;
    padding-left: 15px;
}

.work-experience h3, .education-item h3, .certificate-item h3 {
    margin-bottom: 5px;
}

.work-experience p, .education-item p, .certificate-item p {
    margin: 0;
}

footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: #fff;
    margin-top: auto;
}