html, body {
    background-color: #1e1e1e !important;
    margin: 0;
}

ul {
    gap: 10px;
}

li:hover {
    animation-fill-mode: both;
}


nav.navbar {
  position: sticky;
  top: 0;
  z-index: 9999;
}

#img:hover {
    transform: translateY(-20px);
}

    .title {
        color: white;
        justify-content: center;
        text-align: center;
        margin-top: 100px;
    }

    .scrolling-text-container {
        background-color: white;
        display: flex;
        flex-direction: column;
        border-radius: 4px;
        overflow: hidden;
        max-width: 1250px;
        margin: 0 auto;
    }

    .scrolling-text-inner {
        display: flex;
        white-space: nowrap;
        font-size: 16px;
        font-weight: 600;
        padding: 8px 0;
        width: fit-content;
        max-width: 1250px;
    }

    .scrolling-text {
        display: flex;
    }

    .scrolling-text-item {
        padding: 0 30px;
    }

    .scrolling-text-inner > div {
        animation: var(--direction) var(--marquee-speed) linear infinite;
    }

    .scrolling-text-container:hover .scrolling-text-inner > div {
        animation-play-state: paused;
    }


    @keyframes scroll-right {
        0% {
            transform: translateX(-100%);
        }
        100% {
            transform: translateX(0%);
        }
    }

    .about-section {
    align-items: center;
    text-align: center;
    justify-content: center;
    color: white;
    display: flex;
    flex-direction: column;

  }

    #border {
        margin-top: 100px;
        border: 2px solid white;
        border-radius: 50px;
        display: inline-block;
        padding: 20px;
    }

    .contacts-section {
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 50px;
        gap: 10px;
    }

    .contacts-section a {
        font-size: 30px; 
        color: white; 
        text-decoration: none;
    }

    .contacts-section a:hover {
        color: gray;
    }

    .certifications-section h2 {
        padding: 50px;
        color: white;
        text-align: center;
        align-items: center;
    }

    .cards {
        flex-wrap: wrap;
        justify-content: center;
        display: flex;
        padding: 50px;
        gap: 50px;
        position: relative;
        z-index: 1;
    }

    @media (max-width: 768px) {
        .cards {
            flex-direction: column;
            align-items: center;
            padding: 20px;
            gap: 30px;
            position: relative;
            z-index: 1;
        }

        .card {
            width: 90%;
            max-width: 400px;
            position: relative;
            z-index: 1;
        }
    }