:root {
    --main-red: #f33;
    --dark-red: #e00;
    --light-red: #f55;
    --dark: #222;
    --light-dark: #333;
    --lighter-dark: #444;
    --more-lighter-dark: #777;
    --trans-dark: #0006;
    --header-height: 4rem;
}

* {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

*:focus {
    outline: .2rem dashed var(--main-red);
    outline-offset: .2rem;
}

body {
    font-family: calibri;
    display: flex;
    flex-direction: column;
    color: white;

    &::-webkit-scrollbar {
        width: .8rem;
        background-color: var(--light-dark);
    }

    &::-webkit-scrollbar-thumb {
        background-color: var(--main-red);
    }

    &::-webkit-scrollbar-thumb:hover {
        background-color: var(--light-red);
    }
}

button {
    cursor: pointer;
}

.hidden {
    opacity: 0 !important;
    pointer-events: none;
}

#background-wrap {
    position: fixed;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-image: url(./imgs/code-snip.jpg);
    display: flex;

    &::after {
        content: "";
        width: 100vw;
        height: 100vh;
        background-image: radial-gradient(#0000 0%, #000f 100%);
    }
}

#to-top-btn {
    position: fixed;
    border-radius: 100%;
    bottom: .5rem;
    right: .5rem;
    box-shadow: 0 0 5px black;
    transition-property: scale, opacity;
    transition-duration: .2s;
    z-index: 2;
    opacity: .2;

    &:hover {
        scale: 1.1;
        opacity: 1;
    }

    & a {
        display: block;
        display: flex;
        width: fit-content;
        border-radius: 100%;
        outline-offset: .2rem;
        background-color: var(--main-red);
        padding: .2rem;
    }

    & svg {
        width: 2rem;
        aspect-ratio: 1;
        fill: white;
    }
}

#first-wrap {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.hide-up {
    translate: 0 -100%;
}

#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 70%;
    min-width: max(20rem, 70%);
    margin: 0 auto;
    padding: .5rem;
    background-color: var(--light-dark);
    border-radius: 0 0 .5rem .5rem;
    transition-property: translate;
    transition-duration: .5s;
    position: sticky;
    top: 0;
    z-index: 2;
    box-shadow: 0 0 10px black;
    height: var(--header-height);
    box-sizing: border-box;
}

#logo-wrap {
    font-size: 2rem;
    display: flex;
    align-items: center;
    height: 100%;
    text-wrap: nowrap;

    & svg {
        height: 100%;
        fill: white;
    }
}

#header-links-wrap {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;

    & button {
        display: none;
    }
}

#header-links {
    display: flex;
    align-items: center;
    height: 100%;

    & a {
        text-decoration: none;
        background-color: var(--dark);
        font-size: 1.1rem;
        padding: 0 .5rem;
        border-radius: .2rem;
        font-weight: bold;
        transition-property: background-color;
        transition-duration: .2s;
        color: white;
        text-wrap: nowrap;
        display: flex;
        align-items: center;
        height: 90%;

        &:hover {
            background-color: var(--main-red);
        }

        &:not(:last-of-type) {
            margin-right: .5rem;
        }

        &:focus {
            z-index: 1;
        }
    }
}

@media (max-width: 640px) {
    #header-links-wrap {
        & button {
            display: flex;
            height: 70%;
            aspect-ratio: 1;
        }

        &[data-open="1"] #header-links {
            display: flex;
        }
    }

    #header-link-btn {
        background-color: transparent;
        border: none;
        flex-direction: column;
        justify-content: space-between;

        & div {
            height: 16.6%;
            background-color: var(--more-lighter-dark);
        }
    }

    #header-links {
        display: none;
        position: absolute;
        flex-direction: column;
        right: 0;
        top: 100%;
        box-shadow: 0 0 10px black;
        border-radius: .5rem;
        padding: .5rem 0;
        background-color: var(--dark);
        min-width: 10rem;
        height: fit-content;

        & a {
            margin: 0 !important;
            border-radius: 0;
            height: min-content;
            padding: .6rem 0;
            width: 100%;
            display: flex;
            box-sizing: border-box;
            padding-left: .5rem;
        }
    }
}

#intro-mat {
    background-color: var(--main-red);
    flex: 1 1 auto;
    margin: 1.5rem;
    border-radius: .5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-size: 2rem;
    height: calc(100vh - var(--header-height) - (1.5rem * 2));
}

body>hr,
#footer hr {
    width: 50%;
    margin: .5rem auto;
    border: .2rem dashed var(--lighter-dark);
}

#about-wrap,
#projects-wrap,
#edu-wrap {
    margin: 1rem auto;
    width: 90%;
    background-color: var(--light-dark);
    border-radius: .5rem;
    display: flex;
    flex-direction: column;
}

#about-head,
#projects-wrap > div:first-of-type,
#edu-head {
    padding: .2rem;
    background-color: var(--lighter-dark);
    width: 90%;
    margin: auto;
    text-align: center;
    font-size: 2rem;
    border-radius: 0 0 .5rem .5rem;
}

#about-wrap {
    max-width: 50rem;
}

#about-body {
    font-size: 2rem;
    padding: 1rem;

    &>p:first-of-type {
        text-align: center;
    }
}

#skills-wrap {
    background-color: var(--lighter-dark);
    border-radius: .5rem;
    padding: .5rem;
}

#skills-wrap,
#about-body>p:last-of-type {
    margin-top: 1.5rem;
}

#about-body li {
    list-style-position: inside;
    list-style-type: square;
}

#about-body p:last-of-type a {
    color: white !important;
}

#carousel-wrap {
    justify-content: center;
    margin: 1rem;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
}

#carousel {
    position: relative;
    display: flex;
    width: 100%;
    max-height: 90vh;

    & button:not(:focus) {
        opacity: 0;
    }

    &:hover button {
        opacity: 1;
    }
}

#controls-wrap {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.carousel-move-btn {
    --btn-shift: 20%;
    background-color: transparent;
    border: none;
    cursor: pointer;
    box-sizing: border-box;
    width: 10%;
    max-width: 6rem;
    pointer-events: all;
    display: flex;
    justify-content: center;
    height: fit-content;
    align-self: center;
    transition-property: translate, opacity;
    transition-duration: .3s;
    border-radius: 100%;

    & svg {
        width: 100%;
        fill: var(--light-red);
        transition: .3s;
        aspect-ratio: 1;
    }

    &:first-of-type {
        translate: calc(var(--btn-shift)) 0;
    }

    &:last-of-type {
        translate: calc(-1 * var(--btn-shift));
    }

    &:hover {
        translate: 0;

        & svg {
            fill: var(--dark-red);
        }
    }
}

#carousel-nav-btns {
    display: flex;
    flex: 1 1 auto;
    margin-top: auto;
    justify-content: center;
    align-items: center;
    height: 5%;
    margin-bottom: 1rem;

    & button {
        border: none;
        margin: 0 .2rem;
        background-color: var(--light-red);
        border-radius: 100%;
        pointer-events: all;
        transition-property: translate, opacity, background-color;
        transition-duration: .2s, .2s, .5s;
        height: 100%;
        aspect-ratio: 1;
        max-height: 1rem;

        &:hover {
            translate: 0 -.3rem;
        }

        &.current {
            background-color: var(--dark-red);
        }
    }
}

#carousel-items {
    width: 100%;
    display: flex;
    overflow: hidden;
}

.carousel-item {
    width: 100%;
    flex-shrink: 0;
    display: flex;

    & img {
        width: 100%;
        object-fit: contain;
    }
}

#cards-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1rem;
}

.card {
    --border-radius: 1rem;
    width: 90%;
    max-width: 20rem;
    height: 30rem;
    margin: .6rem;
    background-color: var(--dark);
    border-radius: var(--border-radius);
    transition-property: scale;
    transition-duration: .2s;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 0 15px black;

    &:hover {
        scale: 1.05;
    }

    & a {
        display: block;
        position: absolute;
        width: 100%;
        height: 100%;
        border: none;
        background-color: transparent;
        border-radius: var(--border-radius);
        cursor: pointer;
        z-index: 1;
    }

    & img,
    & video {
        flex: 1 1 auto;
        object-fit: cover;
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }

    & video {
        display: none;
    }

    & .video-card {
        & video {
            display: initial;
        }

        & img {
            display: none;
        }
    }
}

.card-description {
    width: 100%;
    bottom: 0;
    background-color: var(--main-red);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    padding: .5rem;
    box-sizing: border-box;
    font-size: 1.5rem;
}

#footer {
    width: 70%;
    min-width: fit-content;
    border-radius: .5rem .5rem 0 0;
    background-color: var(--light-dark);
    margin: auto;
    margin-top: 1rem;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: .5rem;

    & hr {
        display: none;
        margin: 1rem auto;
    }
}

#links-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

#links-wrap a {
    display: flex;
    height: fit-content;
    width: fit-content;
    aspect-ratio: 1;
    justify-content: center;
    margin: 0 .2rem;
}

#links-wrap a svg {
    fill: white;
    width: 2.5rem;
    transition-property: translate, fill;
    transition-duration: .2s, .2s;
}

#links-wrap a:hover svg {
    fill: var(--main-red);
    translate: 0 -.2rem;
}

#nums-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
    font-family: monospace;
    padding: .2rem 0;

    & > div {
        z-index: 1;
    }

    & svg {
        position: absolute;
        height: 100%;
        fill: var(--dark);
    }
}

@media (max-width: 550px) {
    #footer {
        flex-direction: column;

        & hr {
            display: initial;
        }
    }
}