* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

body {
    height: 100vh;
    background: #16191c;
}

.navbar {
    height: 70px;
    padding: 0 50px;
    display: flex;
    align-items: center;
    justify-content: space-between; 
    border-bottom: 3px solid rgba(255, 255, 255, 0.811);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgb(14, 14, 10);
}

.navbar h2 {
    color: rgb(255, 255, 255);
    font-weight: 600;
}

.navbar ul {
    display: flex;
}

.navbar ul li {
    list-style: none;
}

.navbar ul li a{
    text-decoration: none;
    color: white;
    font-size: 16px;
    margin-right: 25px;
    transition: color 0.3s ease;
}

.navbar ul li:hover a {
    color: rgb(20, 239, 254);
}

.navbar ul li:last-child a{
    margin: 0;
}

.hire-btn {
    background: rgb(20, 239, 254);
    padding: 8px 40px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

.hire-btn:hover {
    background: rgb(15, 201, 215);
}

.main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 640px;
}

.main h4 {
    color: white;
    font-size: 32px;
    font-weight: 600;
}

.main h4 span {
    color: rgb(15, 201, 215);
    text-decoration: underline;
}

.main p.title {
    color: white;
    font-size: 44px;
    font-weight: 600;
    margin-top: 8px;
}

.main p.subtitle {
    color: rgba(255, 255, 255, 0.911);
    font-size: 16px;
    margin-top: 20px;
}


.main img {
    width: 200px;
    height: 200px;
    margin-top: 100px;
}

.guarantee {
    display: flex;
    flex-wrap: nowrap;
    margin-top: 50px;
    padding: 0 50px;
    gap: 24px;
}

.guarantee .item {
    background:#525e69;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
    width: 100%;
    border-radius: 10px;
    padding: 0 30px;
    border: 4px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.guarantee .item:hover {
    border-color: rgb(15, 201, 215);
}

.guarantee .item .icon {
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    width: 46px;
    height: 46px;
}

.guarantee .item:hover .icon {
    background-color: rgb(15, 201, 215);
}


.guarantee .item .icon i {
    font-size: 30px;
}

.guarantee .item .info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.guarantee .item .info h3 {
    color: rgba(255, 255, 255, 0.911);
    font-size: 28px;
}

.guarantee .item .info a{
    color: rgba(255, 255, 255, 0.911);
    font-size: 28px;
    text-decoration: none;
}

.guarantee .item .info p {
    color: white;
    font-size: 15px;
    font-weight: 500;
}

.guarantee .item > i {
    color: white;
    font-size: 30px;
    transition: color 0.3s ease;
}

.guarantee .item:hover > i {
    color: aqua;
}

.seprator {
    background: rgba(255, 255, 255, 0.2);
    color: rgb(6, 255, 156);
    margin: 50px 50px 30px;
    padding: 10px 20px;
    display: inline-block;
    border-radius: 12px;
}

.about {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
    padding: 0 50px;
}

.about img {
    width: 380px;
}

.about .info h3 {
    color: white;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 10px;
}

.about .info p {
    color: #ccc;
    font-size: 16px;
}

.about .info button {
    margin-top: 30px;
}

.skills {
    display: flex;
    justify-content: space-around;
    padding: 0 50px;
}

.skills .left {
    width: 680px;
}

.skills .left .info h3 {
    color: white;
    font-size: 30px;
    margin-bottom: 20px;
}

.skills .left .info p {
    color:  #ccc;
    font-size: 16px;
}

.skills .left button {
    margin-top: 30px;
}

.skills .right {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    width: 420px;
    height: 120px;
}

.skills .right .item {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #364a5e;
    width: 50px;
    height: 50px;
    border-radius: 10px;
}

.skills .right .item i {
    color: white;
    font-size: 34px;
}

footer {
    position: relative;
    margin-top: 100px;
    padding: 80px 50px 40px;
}

footer .cols {
    display: flex;
    align-items: start;
}

footer .cols .about-col {
    flex: 3;
}

footer .cols .about-col h3 {
    color: #ffb742;
    margin-bottom: 20px;
}

footer .cols .about-col p {
    color: #ccc;
    font-size: 13px;
}

footer .cols .links-col {
    flex: 3;
}

footer .cols .links-col h4, footer .cols .news-col h4 {
    color: white;
    margin-bottom: 20px;
}

footer .cols .links-col a {
    display: block;
    text-decoration: none;
    color: #525e69;
    font-size: 14px;
    line-height: 26px;
    transition: color 0.3s ease;
}

footer .cols .links-col a:hover {
    color: #ffb742;
}

footer .cols .news-col {
    flex: 3;
}

footer .cols .news-col p {
    color: #7b7b7b;
    font-size: 15px;
}

footer .cols .news-col form {
    position: relative;
    width: 100%;
    margin-top: 20px;
}

footer .cols .news-col form input {
    width: 100%;
    background: #16191c;
    border: none;
    padding: 13px;
    border-radius: 100px;
    font-weight: 400;
    font-size: 13px;
}

footer .cols .news-col form button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: #ffb742;
    border: none;
    border-radius: 50%;
    position: absolute;
    top: 0;
    right: 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

footer .cols .news-col form button:hover {
    background-color: #fb8c00;
}

footer .cols .news-col form button i {
    font-size: 26px;
}

@media screen and (max-width: 1100px) {
    .quarantee{
        flex-wrap: wrap;
        gap: 10px;
    }

    .quarantee .item {
        flex-basis: 49%;
    }

    .skills {
        justify-content: space-between;
        gap: 20px;
    }

    .skills .left {
        width: 500px;
    }

    .skills .left .info h3 {
        font-size: 22px;
    }

    .skills .left .info p {
        font-size: 12px;
    }

    footer {
        margin-top: 150px;
    }

    footer .cols {
        flex-wrap: wrap;
    }

    footer .cols .about-col{
        flex-basis: 50%;
    }

    footer .cols .links-col{
        flex-basis: 50%;
    }

    footer .cols .news-col{
        flex-basis: 50%;
    }
}

@media screen and (max-width: 780px) {
    .navbar button {
        display: none;
    }

    .main h4 {
        font-size: 24px;
    }

    .main p.title {
        font-size: 36px;
    }
    
    .main p.subtitle {
        font-size: 14px;
    }

    .quarantee .item {
        flex-basis: 100%;
    }

    .about {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media screen and (max-width: 650px) {
    .navbar {
        justify-content: center;
    }
    .navbar h2 {
        display: none;
    }

    .navbar ul li a {
        font-size: 14px;
    }

    .main {
        margin-top: 50px;
        height: 320px;
        justify-content: start;
    }

    .main h4 {
        font-size: 20px;
    }

    .main p.title {
        font-size: 28px;
    }

    .main p.subtitle {
        font-size: 12px;
    }

    .main img {
        height: 150px;
        width: 150px;
        margin-top: 40px;
    }

    .skills {
        flex-wrap: wrap;
        justify-content: center;
    }

    .skills .right {
        justify-content: space-between;
    }

    .skills .left .info h3 {
        font-size: 20px;
    }

    footer .cols .about-col {
        flex-basis: 100%;
        margin-bottom: 40px;
    }

    footer .cols .links-col {
        flex-basis: 100%;
        margin-bottom: 20px;
    }

    footer .cols .news-col {
        flex-basis: 100%;
    }
}

@media screen and (max-width: 480px) {
    
    .main p.title {
        font-size: 18px;
    }

    .main p.subtitle {
        font-size: 10px;
    }

    .quarantee .item .info h3 {
        font-size: 20px;
    }

    .quarantee .item .info p {
        font-size: 12px;
    }

}

.kaggle-button {
    display: inline-block;
    padding: 4px 12px;
    background-color: #11b542;
    color: white;
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 4px;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.kaggle-button:hover {
    background-color: #092d17;
    transform: translateY(-2px);
}

.kaggle-button:active {
    background-color: #143508;
    transform: translateY(0);
}