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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f7f7f7;
    color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

header h1 {
    margin-bottom: 10px;
    font-size: 2.5em;
}

header p {
    font-size: 1.2em;
}

section {
    padding: 60px 0;
}

.container {
    width: 80%;
    margin: 0 auto;
}

h2 {
    font-size: 2.2em;
    margin-bottom: 20px;
}

.project-cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.project-card {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 48%;
}

.project-card h3 {
    margin-bottom: 15px;
}

.project-card p {
    margin-bottom: 15px;
}

.project-card a {
    text-decoration: none;
    color: #3498db;
    font-weight: bold;
}

#contact ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

#contact ul li a {
    color: #333;
    text-decoration: none;
    font-size: 1.2em;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

footer p {
    font-size: 0.9em;
}

/* Scroll-to-top Button */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    font-size: 1.5em;
    cursor: pointer;
    display: none;
}