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

body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: auto;
}

section {
    padding: 60px 0;
    border-bottom: 1px solid #ddd;
}

h1,
h2 {
    margin-bottom: 20px;
    color: #000509;
}

.hero {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 2.8em;
}

.hero p {
    font-size: 1.3em;
    color: #ccc;
}

.profile-pic {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
}

.about,
.certificates,
.contact {
    background-color: white;
    margin-top: 20px;
    border-radius: 10px;
    padding: 40px 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

ul {
    padding-left: 20px;
    text-align: left;
}

ul li {
    margin-bottom: 10px;
}