#collaboration_process{
    width: 100%;
}


#collaboration_process .process_container{
    width: 100%;
    max-width: 50em;
    margin: 0 auto;
    padding: 12vh 1.5em 15vh;
}




/* =============================================
   HEADER
============================================= */

#collaboration_process .process_header{
    text-align: center;
    margin-bottom: 8vh;
}

#collaboration_process .process_header .title{
    font-family: "Literata", Georgia, serif;
    font-size: min(2.5em, 8vw);
    font-weight: 300;
    color: #333;
    letter-spacing: 0.02em;
    margin-bottom: 0.5em;
}

#collaboration_process .process_header .title em{
    font-style: italic;
    color: var(--main-blue);
}

#collaboration_process .process_header .subtitle{
    font-size: 1.05em;
    font-weight: 300;
    color: #666;
    line-height: 1.6;
}




/* =============================================
   TIMELINE
============================================= */

#collaboration_process .timeline{
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}




/* =============================================
   TIMELINE ITEM
============================================= */

#collaboration_process .timeline_item{
    display: flex;
    flex-direction: row;
    gap: 1.5em;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

#collaboration_process .timeline_item.revealed{
    opacity: 1;
    transform: translateY(0);
}

#collaboration_process .timeline_item.no-animation{
    opacity: 1;
    transform: translateY(0);
    transition: none;
}




/* =============================================
   TIMELINE MARKER
============================================= */

#collaboration_process .timeline_marker{
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 3em;
}

#collaboration_process .marker_number{
    width: 3em;
    height: 3em;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Literata", Georgia, serif;
    font-size: 1em;
    font-weight: 400;
    color: var(--main-blue);
    border: 1px solid var(--main-blue);
    border-radius: 50%;
    background: white;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

#collaboration_process .timeline_item:hover .marker_number{
    background: var(--main-blue);
    color: white;
}

#collaboration_process .marker_line{
    flex: 1;
    width: 1px;
    background: linear-gradient(to bottom, var(--main-blue) 0%, rgba(30, 88, 190, 0.1) 100%);
    min-height: 2em;
}

#collaboration_process .timeline_item:last-child .marker_line{
    display: none;
}




/* =============================================
   TIMELINE CONTENT
============================================= */

#collaboration_process .timeline_content{
    flex: 1;
    padding-bottom: 3em;
}

#collaboration_process .timeline_item:last-child .timeline_content{
    padding-bottom: 0;
}

#collaboration_process .step_title{
    font-family: "Literata", Georgia, serif;
    font-size: 1.3em;
    font-weight: 400;
    color: #222;
    margin-bottom: 0.5em;
    letter-spacing: 0.01em;
}

#collaboration_process .step_description{
    font-size: 1em;
    font-weight: 300;
    line-height: 1.7;
    color: #666;
}




/* =============================================
   RESPONSIVE - TABLET
============================================= */

@media screen and (min-width: 600px){

    #collaboration_process .process_container{
        padding: 15vh 2em 18vh;
    }

    #collaboration_process .process_header{
        margin-bottom: 10vh;
    }

    #collaboration_process .process_header .title{
        font-size: 2.8em;
    }

    #collaboration_process .process_header .subtitle{
        font-size: 1.1em;
    }

    #collaboration_process .timeline_item{
        gap: 2em;
    }

    #collaboration_process .timeline_marker{
        width: 4em;
    }

    #collaboration_process .marker_number{
        width: 4em;
        height: 4em;
        font-size: 1.1em;
    }

    #collaboration_process .timeline_content{
        padding-top: 0.8em;
        padding-bottom: 4em;
    }

    #collaboration_process .step_title{
        font-size: 1.5em;
    }

    #collaboration_process .step_description{
        font-size: 1.05em;
    }

}




/* =============================================
   RESPONSIVE - DESKTOP
============================================= */

@media screen and (min-width: 900px){

    #collaboration_process .process_container{
        max-width: 55em;
    }

    #collaboration_process .timeline_item{
        gap: 2.5em;
    }

    #collaboration_process .timeline_marker{
        width: 4.5em;
    }

    #collaboration_process .marker_number{
        width: 4.5em;
        height: 4.5em;
        font-size: 1.15em;
    }

    #collaboration_process .timeline_content{
        padding-bottom: 5em;
    }

    #collaboration_process .step_title{
        font-size: 1.6em;
    }

    #collaboration_process .step_description{
        font-size: 1.1em;
        max-width: 90%;
    }

}