body {
    font-family: "Segoe UI", Tahoma, sans-serif;
    background-color: #0f172a;   
    color: #e5e7eb;              
    line-height: 1.7;
}


header {
    background: linear-gradient(135deg, #020617, #1e293b);
    padding: 30px 15px;
    text-align: center;
    border-bottom: 3px solid #38bdf8;
}

header h1 {
    font-size: 2.4rem;
    letter-spacing: 1px;
}


nav {
    background-color: #020617;
    padding: 12px;
    
}

nav a {
    color: #38bdf8;
    text-decoration: none;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background-color 0.3s, color 0.3s;
}

nav a:hover {
    background-color: #38bdf8;
    color: #020617;
}

nav a:active {
    background-color: #000;
    color: white;
}

nav a:visited {
    color: #a78bfa;
}

nav ul{
    display: flex;
    justify-content: center;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    }


main {
    max-width: 900px;
    margin: 30px auto;
    padding: 25px;
    background-color: #020617;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.15);
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}


h2 {
    color: #38bdf8;
    margin-bottom: 10px;
    margin-top: 20px;
    border-left: 4px solid #38bdf8;
    padding-left: 10px;
}


p {
    margin-bottom: 15px;
}


ul {
    margin-left: 25px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}


footer {
    background-color: #020617;
    text-align: center;
    padding: 20px;
    border-top: 2px solid #38bdf8;
    margin-top: 40px;
}

footer a {
    color: #38bdf8;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}


hr {
    border: none;
    height: 1px;
    background-color: #334155;
    margin: 20px 0;
}

#portfolioimg {
    display: block;
    max-width: 500px;
    width: 100%;
    height: auto;
    margin: 20px auto;
    border-radius: 250px;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

main {
    padding: 10px;
}
 
header h1 {
    font-size: 1.5rem;
}
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    border: 1px solid #38bdf8;
    padding: 10px;
}

th {
    background-color: #1e293b;
}

button {
    background-color: #38bdf8;
    color: #020617;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}