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

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, sans-serif;
    font-size: 1.05rem;
    font-weight: 450;
    line-height: 1.6;
    color: #222;
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    padding: 0;
    margin-bottom: 2.5rem;
}

nav a {
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
}

nav a:hover {
    color: #000;
}

h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #333;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

section {
    margin-bottom: 2.5rem;
}

section p {
    margin-bottom: 0.75rem;
    color: #444;
}

a {
    color: #2563eb;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.project-item {
    margin-bottom: 1.5rem;
}

.project-item p {
    margin-bottom: 0.5rem;
}

.project-item a {
    margin-right: 1rem;
    font-size: 0.9rem;
}

footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e5e5;
    font-size: 0.85rem;
    color: #888;
}

ul {
    padding-left: 1.25rem;
    color: #444;
}

ul li {
    margin-bottom: 0.5rem;
}

@media (max-width: 600px) {
    body {
        padding: 1.25rem 0.75rem;
    }
    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
    }
    h1 {
        font-size: 1.6rem;
    }
    h2 {
        font-size: 1.35rem;
    }
    h3 {
        font-size: 1.15rem;
    }
}