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

body {
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: white;
}

/* NAV */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: #020617;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

nav a:hover {
    color: #38bdf8;
}

/* HEADER */
header {
    text-align: center;
    padding: 60px 20px;
}

header img {
    width: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
}

/* SECTIONS */
section {
    padding: 60px 20px;
    text-align: center;
}

.container {
    max-width: 800px;
    margin: auto;
}

h2 {
    margin-bottom: 20px;
    color: #38bdf8;
}

/* BUTTON */
.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background: #38bdf8;
    color: black;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
}

.btn:hover {
    background: #0ea5e9;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #020617;
    margin-top: 40px;
}