@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap");

* {
    box-sizing: border-box;
}

html {
    font-family: "Open Sans", sans-serif;
    padding: 0 !important;
    background-color: #f8f8ff;
    scroll-behavior: smooth;
}


.main-menu {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2;
}


.main-menu a {
    color: white;
    text-decoration: none;

}


.site-header {
    background-image: url('../images/Logica2019-50.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #ffffff;
    text-align: center;
    padding: 250px 20px;
    position: relative;
    overflow: hidden;
}

.site-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.site-header h1,
.site-header p {
    position: relative;
    z-index: 2;
}

section {
    width: 100%;
    padding: 10px 100px;
    margin: 0;
    box-sizing: border-box;

}








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

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    text-align: justify;
}

section:nth-child(odd) {
    background-color: #f8f8ff;

}

section:nth-child(even) {
    background-color:  #f8f8ff;
}

.custom-article-title {
    display: none;
}


#about {
    margin-top: 50px;
    padding-bottom: 50px;
}



.menu-anchor {
    padding: 0 20px;
}

.menu-anchor a {
    padding: 0 20px
}


.section-container div {
    padding: 10px 0;
}

section {
    display: flex;
    align-items: flex-start;
    gap: 20px;

}

section img {
    max-width: 300px;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}




section {
    position: relative;
    display: flex;
    align-items: stretch;
    gap: 20px;
    margin-bottom: 40px;


}





/* devidery */
.section-middle::after {
    content: "";
    position: absolute;
    bottom: 0;
    height: 4px;
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.5s ease-out;
}


.section-middle:nth-child(odd)::after {
    left: calc(50% + 10px);
    width: calc(50% - 20px);
    background: linear-gradient(90deg, greenyellow, black);
    transform-origin: right;
}


.section-middle:nth-child(even)::after {
    left: 20px;
    width: calc(50% - 20px);
    background: linear-gradient(90deg, black, greenyellow);
    transform-origin: left;
}


section.animate::after {
    transform: scaleX(1);
}


.site-footer {
    background-color: #1b1a1a;
    color: white;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
    margin-top: 40px;
}

    .site-footer p {
        margin: 10px 0;
        font-size: 0.9rem;
    }

    .site-footer a {
        color: #009000;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .site-footer a:hover {
        color: white;
    }




    .speakers-inline {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        list-style: none;
        padding: 0;
        margin: 20px 0;
        justify-content: center;
    }


    .speakers-inline li {
        font-size: 1.2rem;

        color: black;
        position: relative;
        padding: 10px 10px;
        background: linear-gradient(90deg, greenyellow, limegreen);
        border-radius: 5px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }


    .speakers-inline li:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }



    .speakers-inline li:hover::after {
        width: 100%;
    }





    article section a {
        color: #009000;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    article section a {
        color: #009000;

    }

    article section a{
        color: #009000;
        opacity: 0.8;
    }
 
    .about-columns {
        display: flex;
        gap: 50px;
        margin-top: 20px;
    }


    .about-columns .column {
        flex: 1;
        padding: 10px;

    }

    .about-columns .column ul {
        list-style-type: disc;
        margin: 0;
        padding-left: 20px;
    }

    .about-columns .column li {
        margin-top: 10px;
        font-size: 0.95rem;
    }

li p {
    font-size: smaller;
}
#speakers li {
  text-align: center; 
}

.logo-box {
  margin:auto !important;
  text-align: center !important;
}

    @media (min-width: 1500px) {
        section {
            padding-left: calc((100vw - 1500px) / 2) !important;
            padding-right: calc((100vw - 1500px) / 2) !important;
        }
    }

    @media (max-width: 768px) {
        section {
            flex-direction: column !important;
       /*    align-items: center; */  
            padding: 20px;
        }

        section img {
            max-width: 100%;
            height: auto;
            margin-top: 10px;

        }

        .about-columns {
            flex-direction: column;
            gap: 0;
        }

        .about-columns .column {
            margin-bottom: 10px;
        }
      
      #about {
    margin-top: 20px;
    
}

    }