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

body {
    font-family: "Times New Roman", Times, serif;
    line-height: 1.6;
    color: #000;
    background-color: #fff;
}

header {
    background-color: #fff;
    border-bottom: 2px solid #000;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav a {
    color: #000;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    transition: border-color 0.3s;
}

nav a:hover {
    border-color: #000;
}

main {
    margin-top: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 2rem;
}

section {
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-bottom: 1px solid #000;
}

section:last-child {
    border-bottom: none;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #000;
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

a {
    text-decoration: none;
}


.experience-item,
.project-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border: 1px solid #000;
}

.company,
.date {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.date {
    font-style: italic;
}

.project-tech {
    font-style: italic;
    color: #333;
}

.contact-info {
    text-align: center;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

footer {
    text-align: center;
    padding: 2rem;
    border-top: 2px solid #000;
    margin-top: 3rem;
}

@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    main {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .experience-item,
    .project-item {
        padding: 1rem;
    }
}