*{
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

/*Global, reusable variables*/
:root{
    /*colors*/
    --textcolor: black;
    --backgroundcolor: whitesmoke;
    --dividercolor: rgba(36, 36, 36, 0.315);

    /*speeds*/
    --defaultSpeed: .3s; /*Default Speed for Animations and Transitions used on Page*/
}

/*Stretch html, body and main over the whole screen*/
html, body, main{
    min-height: 100vh;
}

a{
    .bi-github:hover{
        color: #2DBA4E;
    }

    .bi-linkedin:hover{
        color: #0a66c2;
    }

    .bi-envelope:hover{
        color: #ea4335
    }

    color: gray;
}

/*Grid Background*/
body {
    
    --grid-hue: 100; /* color of background/lines */
    --grid-gap: 12px; /* size of the minor squares (line gaps) */
    --grid-opacity: 0.15; /* opacity of crosses */
    
    --grid-border: 16px;
    
    --grid-light: hsl(var(--grid-hue), 50%, 92%);
    --grid-dark: hsl(var(--grid-hue), 20%, 18%);
    --grid-bg: light-dark( var(--grid-light), var(--grid-dark) );
    
    --grid-minor: light-dark( hsl(var(--grid-hue) 60% 20% / calc(var(--grid-opacity) * 0.125)), hsl(var(--grid-hue) 60% 80% / calc(var(--grid-opacity) * 0.125)) );
    --grid-major: light-dark( hsl(var(--grid-hue) 60% 20% / calc(var(--grid-opacity) * 0.35)), hsl(var(--grid-hue) 60% 80% / calc(var(--grid-opacity) * 0.35)) );
    --grid-cross: light-dark( hsl(var(--grid-hue) 60% 20% / var(--grid-opacity)), hsl(var(--grid-hue) 60% 80% / var(--grid-opacity)) );
    
    --paper-lines-y: linear-gradient(var(--grid-minor) 0px 1px,transparent 1px var(--grid-gap));
    --paper-lines-x: linear-gradient(to right, var(--grid-minor) 0px 1px,transparent 1px var(--grid-gap));
    --paper-lines-y-major: linear-gradient(var(--grid-major) 0px 1px,transparent 1px calc(var(--grid-gap) * 5));
    --paper-lines-x-major: linear-gradient(to right, var(--grid-major) 0px 1px,transparent 1px calc(var(--grid-gap) * 5));
    --paper-cross-y: linear-gradient(var(--grid-cross) 0px 1px,transparent 1px calc(var(--grid-gap) * 5));
    --paper-cross-x: linear-gradient(to right, var(--grid-cross) 0px 1px,transparent 1px calc(var(--grid-gap) * 5));
    --paper-cross-mask: radial-gradient(circle at center, transparent calc(var(--grid-gap)/2), var(--grid-bg) calc(var(--grid-gap)/2) 100%);
    
    --paper-gradient: 
        var(--paper-lines-y), 
        var(--paper-lines-x),
        var(--paper-lines-y-major), 
        var(--paper-lines-x-major), 
        var(--paper-cross-mask),
        var(--paper-cross-y), 
        var(--paper-cross-x);
    
    background-size:
        var(--grid-gap) var(--grid-gap), 
        var(--grid-gap) var(--grid-gap), 
        calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5),
        calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5),
        calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5),
        calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5),
        calc(var(--grid-gap) * 5) calc(var(--grid-gap) * 5);
    
    background-repeat: 
        repeat, 
        repeat, 
        repeat, 
        repeat, 
        repeat,
        repeat, 
        repeat;
    
    background-position: 
        var(--grid-border) var(--grid-border),
        var(--grid-border) var(--grid-border),
        var(--grid-border) var(--grid-border),
        var(--grid-border) var(--grid-border),
        calc(var(--grid-border) - var(--grid-gap) * 2.5) calc(var(--grid-border) - var(--grid-gap) * 2.5),
        var(--grid-border) var(--grid-border),
        var(--grid-border) var(--grid-border);
    
    background-color: var(--grid-bg);
    background-image: var(--paper-gradient);
    
    box-shadow: inset 0 0 0 var(--grid-border) var(--grid-bg), inset 0 0 0 calc( var(--grid-border) + 1px) var(--grid-cross), inset 0 0 0 calc( var(--grid-border) + 1px) var(--bg2);
    padding: var(--grid-border);
    
    min-width: 100svw;
    min-height: 100svh;
    
    transition: --grid-gap 0.2s ease-in-out;
}

footer{
    display: flex;
    flex-direction: row;
    margin-top: 1rem;

    a{
        margin-left: auto;
        color: #262626;
        text-decoration: none;
    }
}

/*default values for the site layout*/
.wrapper{
    margin: auto;
    flex-direction: column;
    display: flex;
    max-width: 1300px;
    min-height: 100vh;
}

/*Center Element for the landing page*/
.welcome{
    display: flex;
    margin:auto;
    flex-direction: column;
    align-self: center;
    align-items: center;
    justify-content: center;
    text-align: center;
    max-width: 66%;

    span{
        padding: .5rem;
        background-color: #fff;
        border-radius: .5rem;
    }

    p{
        padding: 0 5rem 0 5rem;
        line-height: 2.5rem;
    }

    .icons{
        width: 20%;
        display: flex;
        justify-content: space-between;
        
        font-size: 1.75rem;        
    }
}

@keyframes welcomeParagraphAnimation{
    from{
        opacity: 0;
        margin-top: 5rem;
    }
    to{
        opacity: 1;
        margin-top: 1rem;
    }
}


@keyframes welcomeHAnimation {
    from{
        opacity: 0;
    }
    to{
        opacity: 1;
    }
}

.welcome{

        h1{
        animation-name: welcomeHAnimation;
        animation-duration: 1.5s;
        font-size: 2.5rem;
    }

        p{
        margin-top: 1rem;
        animation-name: welcomeParagraphAnimation;
        animation-duration: 1.5s;
        animation-fill-mode: forwards;
        opacity: 0;
    }

        ul{
            margin: 2rem;
            display: flex;
            padding: 0;

            li{
                list-style: none;

                a{
                    position: relative;
                    text-transform: uppercase;
                    margin: 2rem 0;
                    padding: .75rem 2rem;
                    text-decoration: none;
                    color: #262626;
                    font-weight: 600;
                    transition: color var(--defaultSpeed);
                    z-index: 1;

                    /*hidden before, before is the two bars floating into view in the animation*/
                    &:before{
                        content: "";
                        position: absolute;
                        top: 0;
                        left: 0;
                        width: 100%;
                        height: 100%;
                        border-top: 2px solid #262626;
                        border-bottom: 2px solid #262626;
                        transform: scaleY(2);
                        opacity: 0;
                        transition: var(--defaultSpeed);
                    }
                    /*hidden after, after is the "background" in the animation*/
                    &:after{
                    content: '';
                    position: absolute;
                    top:2px;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background-color: #262626;
                    transform: scale(0);
                    opacity: 0;
                    transition: var(--defaultSpeed);
                    z-index: -1;
                    }
                    /*on hover make before and after visible and scale them*/
                    &:hover{
                        color:#fff;
                        &:before{
                            transform: scaleY(1);
                            opacity: 1;
                        }
                        &::after{
                            transform: scaleY(1);
                            opacity: 1;
                        }
                }
            }
        }
    }
}

/*Navigation*/
@keyframes navAnimation{
    from{
        opacity: 0;
        scale: .3;
    }
    to{
        opacity: 1;
        scale: 1;
    }
}


/*Navbar*/
nav{
    display: flex;
    flex-direction: row;
    padding: 0 2rem 2rem 2rem;
    
        h1{
            margin-top: auto;
            margin-bottom: auto;
        }

        a{
            text-decoration: none;
            color: #262626;
        }


        ul{
        margin: auto 0 auto auto;
        display: flex;
        padding: 0;

        li{
            list-style: none;

            a{
                position: relative;
                text-transform: uppercase;
                margin: 2rem 0;
                padding: .75rem 2rem;
                text-decoration: none;
                color: #262626;
                font-weight: 600;
                transition: color var(--defaultSpeed);
                z-index: 1;

                /*hidden before, before is the two bars floating into view in the animation*/
                &:before{
                    content: "";
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    border-top: 2px solid #262626;
                    border-bottom: 2px solid #262626;
                    transform: scaleY(2);
                    opacity: 0;
                    transition: var(--defaultSpeed);
                }
                /*hidden after, after is the "background" in the animation*/
                &:after{
                content: '';
                position: absolute;
                top:2px;
                left: 0;
                width: 100%;
                height: 100%;
                background-color: #262626;
                transform: scale(0);
                opacity: 0;
                transition: var(--defaultSpeed);
                z-index: -1;
                }
                /*on hover make before and after visible and scale them*/
                &:hover{
                    color:#fff;
                    &:before{
                        transform: scaleY(1);
                        opacity: 1;
                    }
                    &::after{
                        transform: scaleY(1);
                        opacity: 1;
                    }
                }
            }
        }
    }
}



/*divider*/
hr.divider{
    border: .3vh solid var(--dividercolor);
    border-radius: .3rem;
    width: 75%;
}

/*About Me*/
/*About Me Details like Experience and Education*/
.about-me-detail{
    width: 66%;
    display: flex;
    flex-direction: column;
    margin: 2rem auto 2rem auto;

    h2{
        margin-bottom: 1rem;
    }

    .skills{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;

        div{
            min-width: 33%;
            min-height: 25%;
            margin-bottom: .5rem;
        }
        ul{
            list-style: none;
            padding: 0;

            li{
                margin-bottom: .5rem;
            }
        }
   }
}

.about-me-welcome{
    display: flex;

    div{
        padding: 2rem;

        h2{
            margin-bottom: 1rem;
        }
    }

    img{
        margin: 0 2rem 2rem 2rem;
        padding: 0 1rem;
        height: 350px;
    }
}

.about-me-point{
    display: flex;
    margin-top: 1rem;
}

.about-me-point-left{
    min-width: 20%;
    margin-right: 6rem;
}

.about-me-point-right{

    details{
        margin: .5rem 0 0 2rem;
        font-size: smaller;
        max-width: 75%;
        

        ul{
            margin-top: .25rem;
        }

        summary{
            &:hover{
                cursor: pointer;
                color: green;
            }
        }
    }

    a{
    color: #262626;
    }
}

.about-me-skills-container{
    margin-top: 1rem;
}


/*Project Page*/

.projects{
    margin-top: 1.5rem;

    .container{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
}

/*curtain-cards for Project Overview*/
.curtain-card{
    cursor: pointer;
    position: relative;
    width: 24rem;
    height: 29rem;
    margin: 0 3rem 3rem 0;
    background: #fff;
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, .5);
    border-radius: 1rem;

    .face{
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
    }

    .face.face-one{
        box-sizing: border-box;
        padding: 1.25rem;

        .content{
            font-size: 1.2em;
            margin: 0 auto 0 auto;
            padding: 0 0 1em 0;
            
            img{
                width: 100%;
                height: 100%;
                object-fit: contain;
            }
        }
    }

    .face.face-two{
        transition: .5s;
        border-radius: 1rem;
        height: 25%;
        display: flex;
        color: #fff;
        flex-direction: column;
        background-color: rgba(7, 80, 29, 0.5);
        backdrop-filter: blur(5px);
        overflow: hidden;

        span{
            transition: .5s;
            align-self: center;
            min-width: 80%;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }

        .icons{
            transition: .5s;
            margin: auto 0 0 0;
            padding: 0 1.5rem 0 1.5rem;
            transform: scale(0);
            text-align: left;

            .divider{
                width: 100%;
                background-color: #fff;
            }

            p{
                padding-bottom: 1.5rem;
            }
        }

        ul{
            list-style: none;
            padding: 0;

            li{
                margin-top: .5rem;
            }
        }
    }

    .face-two::before{
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 50%;
        height: 100%;
        border-radius: 1rem 0 0 1rem;
    }

    .face.face-two h2{
        margin: 0;
        padding: 0;
        font-size: 2em;
        transition: .5s;
        text-shadow: 0 2px 5px rgba(0, 0, 0, .2);
    }

    &:hover .face.face-two{
        height: 75%;
        border-radius: 0 0 1rem 1rem;

        span{
            top: 5%;
            transform: translate(-5%);
        }

        .icons{
            transform: scale(1);
        }
        
        h2{
            font-size: 2em;
        }
    }
}

/* Project Page(s)*/
.content{
    background-color: #fff;
    margin: auto;
    padding: 2rem;
    max-width: 90%;
    
    h1, h2, h3{
        margin-bottom: 1rem;
        margin-top: 1rem;
    }

    .contributions{
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;

        div{
            width: 50%;
        }
    }

    .about-content{
        display: flex;
        flex-direction: row;

        .about-description{
            margin: 0 0 0 4rem;

            ul{
                padding: 1rem;
            }
        }

        .about-image{
            display: flex;
            min-width:33%;
            
        }

        img{
            margin-left: auto;
            margin-right: auto;
            width: 100%;
            height: 100%;
            object-fit: contain;
            align-self: center;
        }

        a{
            color: #262626;
        }
    }
    
    .voices-container{
        position: relative;


        .voices-container-upper{
            display:none;
            flex-direction: row;

            .biometrics{
                display: flex;
                flex-direction: column;
                min-width: 33%;
                height: 15rem;
                justify-content: center;
                align-items: center;

                .biometrics-image{
                    width: 10em;
                    height: 10em;
                    margin-bottom: 1rem;
                }

                img{
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    border-radius: 50%;
                }
            }

            .quote{
                margin: auto;
                justify-content: center;
                align-items: center;
                text-align: center;
                line-height: 1.8;
                margin-right: 7rem;
            }
        }

        .prev, .next{
            position: absolute;
            cursor: pointer;
            top: 30%;
            width: auto;
            font-weight: bold;
            font-size: 2em;
            transition: .3s;
            padding: .25rem;
            

            &:hover{
                background-color: #262626;
                scale: 1.3;
            }
        }

        .next{
            border-radius: 0 .25em .25em 0;
            right: 0;
        }

        .prev{
            border-radius: .25em 0 0 .25em;
            left: 0;
        }
    }
}

.socials{
    position: fixed;
    bottom: 0;
    right: .5rem;
    font-size: 2.25rem;

    ul{
        list-style: none;
        padding: 1rem;
        
        li{
            padding-top: .5rem;
        }
    }

    a:hover{
        transition: .25s;
        font-size: 36pt;
    }
}