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

        body 
        {
            font-family: 'Cairo', sans-serif;
            background: #55efc4;
            color: white;
            transition: background 0.5s, color 0.5s;
        }

        .centered 
        {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 20px;
            text-align: center;
        }

        .login-box {
            max-width: 400px;
            width: 100%;
            background: rgba(255, 255, 255, 0.15);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            margin: auto;
        }

            .login-box input, .login-box button 
            {
                display: block;
                width: 100%;
                margin: 10px 0;
                padding: 10px;
                border: none;
                border-radius: 5px;
            }

            .login-box button {
                background-color: #333;
                color: white;
                cursor: pointer;
            }

        #cv-section {
            display: none;
        }

        .dark-theme {
            background-color: #111;
            color: #f1f1f1;
        }

        .hero img {
            width: 170px;
            height: 170px;
            border-radius: 50%;
            border: 4px solid #000;
            margin-bottom: 20px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        h1 
        {
        background: rgba(255, 255, 255, 0.15);
        padding: 15px;
        border-radius: 10px;
        text-align: center;
        }

        .typing {
            font-size: 1.2rem;
            height: 1.5em;
            overflow: hidden;
            border-right: 2px solid #000;
            white-space: nowrap;
            animation: blink 0.7s step-end infinite;
        }

        @keyframes blink {
            50% {
                border-color: transparent;
            }
        }

        .scroll-down {
            margin-top: 30px;
            font-size: 1.2rem;
            cursor: pointer;
            color: #444;
        }

        .section {
            padding: 60px 20px;
            text-align: center;
        }

            .section h2 {
                font-size: 2rem;
                margin-bottom: 30px;
            }

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

        .cert {
            background-color: #f4f4f4;
            padding: 20px;
            border-radius: 12px;
            width: 250px;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
        }

            .cert h3 
            {
                margin-bottom: 10px;
                font-size: 1.1rem;
            }

            .cert a 
            {
                color: white;
                text-decoration: none;
            }

                .cert a:hover 
                {
                    text-decoration: none;
                }

        .links a {
            margin: 0 10px;
            font-size: 1.8rem;
            color: white;
            text-decoration: none;
            transition: transform 0.2s;
        }

            .links a:hover {
                transform: scale(1.2);
                color: #0984e3;
            }

        .fade-in {
            animation: fadeIn 1.5s ease-in-out;
        }

        @keyframes fadeIn {
            0% {
                opacity: 0;
                transform: translateY(20px);
            }

            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .header 
        {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: 20px;
        padding: 10px 0;
        }

        .logo {

        width: 80px;
        height: auto;
        }

        .faculty-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 25px;
        margin-top: 20px;
        }

        .faculty-member 
        {
        background: rgba(255, 255, 255, 0.15);
        padding: 15px;
        border-radius: 10px;
        text-align: center;
        }

        .faculty-member img {
        width: 100px;
        height: 100px;
        border-radius: 50%;
        object-fit: cover;
        margin-bottom: 10px;
        border: 2px solid #fff;
        box-shadow: 0 0 10px rgba(0,0,0,0.3);
        }

        .faculty-member p 
        {
        font-weight: 600;
        font-size: 1rem;
        }

.footer 
{
    text-align: center;
    padding: 20px 10px;
    margin-top: 50px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
}

.footer a 
{
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    margin-right: 5px;
}

.footer a:hover 
{
    color: rgb(34, 34, 141);
    text-decoration: none;
}


.diagram a
{
    color: rgb(34, 34, 141);
    text-decoration: none;
}

.diagram a:hover
{
    color: red;
}

#no
{
 color: rgb(34, 34, 141);
 text-decoration: none;
}

#no:hover
{
    color: red;
}