* { box-sizing: border-box; }

:root {
    --card-top-gradient: linear-gradient(to bottom, #0001 13%, transparent 13%);
}

body {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--base-font-size);
    font-family: var(--body-font-family);
    color: var(--body-color);

    background: var(--body-background);
    background-image: radial-gradient(var(--bg-yellow) 1.5px, transparent 0);
    background-size: 40px 40px;
    background-position: -19px -19px;

    overflow-x: hidden;
}

.navigation {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: right;

    width: 100%;
    padding: 10px;

    .name:has(+.buttons[inert]) {
        opacity: 0;
    }
    .name {
        position: absolute;
        top: 10px;
        left: 20px;
        font-size: 1.2em;
        font-family: var(--header-font-family);
    }
    .buttons button {
        margin-inline: 10px;
    }

    .buttons[inert] {
        opacity: 0;
        pointer-events: none;
    }
}

h1 {
    font-family: var(--header-font-family);
    color: var(--header-color);
    font-size: 2.6em;
    margin: 0;
}
h2 {
    font-size: 1em;
    font-weight: normal;
}

@media (width < 350px) {
    h1 {
        font-size: 2.3em;
    }
}

button {
    background: none;
    border: none;
    font-family: var(--header-font-family);
    cursor: pointer;
    font-size: 1.2em;
    border-bottom: 2px solid #0001;

    transition: 0.2s;
    &:hover {
        border-bottom-color: #0005;
    }
}

.main {
    display: flex;
    flex-direction: column;
    width: 100%;
    flex-grow: 1;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;

    padding-block: 50px;
    padding-bottom: 50px;
    margin-bottom: 20px;

    .page[inert] {
        display: none;
    }

    .section-container {
        display: flex;
        flex-direction: row;
    }

    .intro:not(:has(.cards)), .menu, .card {
        position: relative;
        display: flex;

        flex-direction: column;
        align-items: start;
        justify-content: center;
        gap: 10px;

        padding: 40px;
        width: min(300px, 80vmin);
        height: min(300px, 80vmin);
        min-height: min(300px, 80vmin);

        --card-color: var(--bg-yellow);
        background-color: var(--card-color);
        background-image: var(--card-top-gradient);
        --box-shadow: 4px 8px 8px -2px rgb(from var(--shadow-color) r g b / 40%);
        box-shadow: var(--box-shadow);

        border-radius: 0px;

        a {
            color: var(--text-color);
            text-decoration: underline;
            cursor: pointer;
        }
    }

    .intro:not(:has(.cards)) {
        z-index: 1;
        width: min(350px, 90vmin);
        height: min(350px, 90vmin);

        --card-color: var(--bg-orange);
        --card-tilt: 5deg;
    }

    .intro, .card, .menu {
        transform: rotate(calc(-1 * var(--card-tilt)));
        & > * {
            transform: rotate(var(--card-tilt));
        }
    }

    .menu {
        align-items: end;
        justify-content: end;

        button {
            height: 15%;
            width: 100%;
            text-align: right;

            color: var(--text-color);
        }
    }

    .cards {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        max-width: min(680px, 80vw);
        gap: 60px 80px;
        padding-bottom: 20px;
        margin-top: 30px;

        .card {
            position: relative;
            justify-content: flex-start;

            details > summary {
                cursor: pointer;
                list-style: none;
                &::after {
                    content: '(more)';
                    margin-left: 8px;
                }
                &::before, &::after {
                    font-size: 0.9em;
                    opacity: 0.9;
                    text-decoration: underline;
                }
                &::marker {
                    display: none;
                }
            }

            details[open] {
                -position: absolute;
                top: 0;
                left: 0;
                bottom: 0;
                right: 0;

                & > * {
                    display: inline;
                }

                summary {
                    font-weight: 500;
                    &::after {
                        content: '';
                        margin: 0;
                    }
                    &::before {
                        margin-right: 5px;
                        font-weight: normal;
                        content: '(less)';
                    }
                }
            }
            details[open] ~ img {
                bottom: -200px;
                max-height: 200px;
                display: none;
            }

            h3 {
                font-family: var(--header-font-family);
                color: var(--header-color);
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: space-between;
                font-size: 1.3em;

                margin: 0;
                margin-top: 10px;

                a {
                    font-family: var(--body-font-family);
                    font-weight: normal;
                    color: var(--text-color);
                    font-size: 0.8em;
                }
            }
            
            & > img {
                position: relative;
                display: block;
                margin-left: 20px;
                margin-top: 5px;
                margin-bottom: -55px;
                top: 0;
                max-width: 130%;
                max-height: 150px;
                border: 6px solid var(--header-color);
                z-index: 1;

                box-shadow: var(--box-shadow);
            }
        }

        .card:nth-of-type(1), .card.n1 {
            --card-tilt: 6deg;
        }
        .card:nth-of-type(2), .card.n2 {
            --card-color: var(--bg-green);
            --card-tilt: -4deg;
            margin-left: -30px;
        }
        .card:nth-of-type(3), .card.n3 {
            --card-color: var(--bg-blue);
            --card-tilt: 0deg;
            margin-right: -10px;
        }
        .card:nth-of-type(4), .card.n4 {
            --card-color: var(--bg-purple);
            --card-tilt: 5deg;
        }
    }

}

.page[data-pagename=home], .page[data-pagename=contact] {
    .intro::before {
        content: '';
        position: absolute;
        border: 3px dashed #0001;
        --inset: 15px;
        top: calc(var(--inset) + 15%); bottom: var(--inset);
        left: var(--inset); right: var(--inset);
    }
    .intro {
        padding-top: 15%;
    }
}

.page[data-pagename=home] {
    margin-bottom: 10vh;

    .menu {
        margin-top: 100px;
        margin-left: -80px;
    }
}
.page[data-pagename=about] {
    .section-container {
        flex-direction: row;
        align-items: center;
    }

    .intro {
        --card-color: var(--bg-green);
        background-color: var(--card-color);
        background-image:
            var(--card-top-gradient),
            linear-gradient(to bottom, var(--card-color) 13%, transparent 13%),
            repeating-linear-gradient(5deg, transparent 0px, #0002 1px, transparent 2px, transparent 1.56em)
            ;
        height: unset;
        background-position-y: -3px;

        >*:not(h1) {
            position: relative;
            top: 18px;
        }

        .subtitle {
            position: relative;
            font-weight: 500;
            top: 1.95em;
        }
    }
    .menu {
        background-color: var(--bg-blue);
        margin-top: -50px;
        margin-left: -80px;
    }
}
.page[data-pagename=contact] {
    .intro {
        --card-color: var(--bg-purple);
    }
}
.page[data-pagename=portfolio] {
    .subtitle.large {
        position: relative;
        font-size: 1.1em;
        margin-top: 30px;
        color: var(--header-color);
        &::after {
            content: '';
            position: absolute;
            width: 30%;
            height: 0;
            top: 50%;
            right: 0px;
            border-bottom: 1px solid rgb(from var(--header-color) r g b / 50%);
        }
    }
}

@media (width < 850px) {
    .main .cards {
        flex-direction: column;
        gap: 80px;
        .card {
            margin-left: 0 !important;
            margin-right: 0 !important;
            margin-top: 0 !important;
            margin-bottom: 0 !important;
            height: unset;
            img {
                max-height: 180px;
                margin-bottom: -85px;
            }
            &:last-child {
                margin-bottom: 40px !important;
            }
        }
    }
}
@media (width < 700px) {
    .main .page .section-container {
        flex-direction: column;
    }
    .page[data-pagename=home] {
        .intro {
            padding-top: calc(15% + 20px);
        }
        .menu {
            margin-top: -80px;
            margin-left: 120px;
        }
    }
    .page[data-pagename=about] {
        .menu {
            margin-top: -150px;
            margin-left: 120px;
        }
    }
    .page[data-pagename=contact] {
        .menu {
            justify-content: start;
            padding-top: 60px;
            margin-left: 30px;
        }
    }
}
@media (width < 500px) {
    .page[data-pagename=home] {
        .menu {
            margin-top: -60px;
            margin-left: 80px;
        }
    }
}
@media (width < 450px) {
    .main .menu {
        height: unset;
    }

    .page[data-pagename=about] {
        .intro {
            width: 85%;
        }
        .menu {
            justify-content: start;
            padding-top: 60px;
            margin-top: 0px;
            margin-left: 30px;

            button {
                text-align: left;
            }
        }
    }
}
@media (width < 350px) {
    .page[data-pagename=home] {
        .intro {
            padding-top: calc(20% + 30px);
            height: unset;
            min-width: 100vmin;
            min-height: 100vmin;
        }
        .menu {
            padding-inline: 25px;
            margin-top: -10px;
            margin-left: 30px;
        }
    }
}

.back-button {
    display: none;
}

@media (width < 650px) {
    .navigation .buttons {
        visibility: hidden;
        display: flex;
    }
    .back-button {
        display: flex;
        position: absolute;
        top: 10px;
        right: 20px;
        flex-direction: row;
        align-items: center;

        svg {
            display: none;
        }
    }
}

.footer {
    opacity: 0.7;
}