body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    scroll-behavior: smooth;
    background-color: #fafafa;
    transition: background-color 0.5s ease;
}

header {
    background-color: #3498db;
    color: white;
    padding: 20px 0;
    text-align: center;
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s, transform 0.3s;
}

nav ul li a:hover {
    color: #f1c40f;
    transform: scale(1.1);
}

.hero {
    padding: 50px 20px;
    background-color: #3498db;
    color: white;
    text-align: center;
    animation: fadeIn 2s ease-in-out;
}

.hero h1 {
    font-size: 3em;
    animation: slideIn 1.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-50px); }
    to { transform: translateY(0); }
}

#about, #contact {
    padding: 50px 20px;
    text-align: center;
    background: #f4f4f4;
}

#portfolio {
    padding: 50px 20px;
    text-align: center;
    animation: changeColor 10s infinite;
}

@keyframes changeColor {
    0% { background-color: #f4f4f4; }
    20% { background-color: #e1f7d5; }
    40% { background-color: #ffb3ba; }
    60% { background-color: #ffdfba; }
    80% { background-color: #ffffba; }
    100% { background-color: #f4f4f4; }
}

.about-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.about-container img {
    border-radius: 50%;
    margin: 20px;
    max-width: 150px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-container img:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.portfolio-gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.project {
    margin: 10px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.project img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.project img:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

#contact-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

#contact-form:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

#contact-form input, #contact-form textarea {
    width: 80%;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#contact-form input:focus, #contact-form textarea:focus {
    border-color: #3498db;
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.5);
}

#contact-form button {
    padding: 10px 20px;
    border: none;
    background-color: #3498db;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

#contact-form button:hover {
    background-color: #2980b9;
    transform: scale(1.05);
}

.project-graph {
    margin-top: 50px;
}