/* General Reset */
body, html {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    background: black;
    color: white;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.8);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}

.section {
    padding: 50px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.portfolio-item {
    margin: 20px 0;
}

.footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.9);
}