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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

h2 {
    font-size: 2.2rem;
}

h2, h3 {
    color: #0066cc;
    margin-bottom: 1.5rem;
}

h3 {
    margin-top: 1.5rem;
}

h4 {
    margin: 20px 0;
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem;
}



/* Responsive */
@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .about {
        grid-template-columns: 1fr;
    }

    .about-avatar {
        font-size: 6rem;
        padding: 2rem;
    }

}