:root {
    --height: 300px;
    --width: 550px;
    --width-expanded: min(780px, calc(100vw - 40px));
    --height-expanded: min(640px, calc(100dvh - 40px));
    --height-main-expanded: 360px;

    --flip-axis: 1, 0, 0;
    --ease-expand: cubic-bezier(0.2, 0.9, 0.3, 1);

    --color-icon: #404040;
    --color-muted: #606060;
    --color-control: #808080;
}

@font-face {
    font-family: "Roboto";
    src: local("Roboto"), url("font/roboto.woff2") format("woff2");
    font-weight: 100 900;
    font-display: swap;
}

body {
    font-family: "Roboto", "Helvetica Neue", "Helvetica", "Arial", sans-serif;

    background-image: url("../img/background.svg");
    background-color: black;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;

    display: flex;
    justify-content: center;
    align-items: center;

    margin: 0;
    height: 100dvh;
    width: 100vw;

    min-height: var(--height);
    min-width: var(--width);
}

.footer-container {
    position: absolute;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    right: 12px;

    display: flex;
    align-items: center;
    gap: 8px;

    font-size: 0.8em;
    padding: 5px 14px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.7);
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
}

.footer-container a {
    color: inherit;
    transition: color 0.15s;
}

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

.footer-container .separator {
    opacity: 0.5;
}

.preload * {
    transition: none !important;
}

.card-container {
    width: var(--width);
    height: var(--height);
    perspective: 1000px;
    transition: width 0.3s var(--ease-expand), height 0.3s var(--ease-expand);
}

.anchor {
    position: absolute;
    top: 0;
    left: 0;
}

#details:target + .card-container {
    width: var(--width-expanded);
    height: var(--height-expanded);
}

.card {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 1s;
    transform-style: preserve-3d;

    animation: hint 0.9s ease-in-out 1.2s;
    animation-composition: add;
}

@keyframes hint {
    35% { transform: rotate3d(var(--flip-axis), 25deg); }
    70% { transform: rotate3d(var(--flip-axis), -6deg); }
}

#flip:target,
#details:target + .card-container .card,
.card-container:has(.back :focus-visible) .card,
.card .back {
    transform: rotate3d(var(--flip-axis), 180deg);
}

@media (hover: hover) {
    .card-container:hover .card {
        transform: rotate3d(var(--flip-axis), 180deg);
    }
}

.card .front, .card .back {
    background-image: url("../img/noise.png");

    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;

    border-radius: 10px;
    background-color: white;
}

.card .front {
    display: flex;
    align-items: center;
    justify-content: center;
}

.card .front img {
    border-radius: 50%;
    max-height: 200px;
}

.card .front hr, .card .back hr {
    height: calc(var(--height) / 2);
    width: 0px;

    border-radius: 10px;
    border: 2px dashed lightgray;

    margin: 0 10px;
}

.card .front .name {
    margin-left: 30px;
}

.card .front .name h1 {
    margin: 0 0 10px 0;
}

.card .front .name ul {
    padding: 0 0 0 20px;
    margin: 0;
    list-style: square;
}

.card .front .name .slogan,
.card .details h2,
.card .back .interests .label {
    font-size: 0.85em;
    font-weight: 300;
    color: var(--color-muted);
}

.card .front .name .slogan {
    margin: 12px 0 0 0;
}

.card .back {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card .back-main {
    flex-shrink: 0;
    height: var(--height);
    overflow: hidden;
    transition: height 0.3s var(--ease-expand), opacity 0.15s;

    display: flex;
    align-items: center;
    justify-content: center;
}

.card .details {
    flex: 1;
    overflow-y: auto;
    padding: 0 50px 50px 50px;

    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0s 0.15s;
}

#details:target + .card-container .back-main {
    height: var(--height-main-expanded);
}

#details:target + .card-container .details {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s 0.1s, visibility 0s;
}

.card .details h2 {
    margin: 0 0 6px 0;
}

.card .details p {
    margin: 0;
    line-height: 1.4em;
}

.card .details p + p {
    margin-top: 0.7em;
}

.card .flip-button, .card .details-button {
    position: absolute;
    bottom: 0;

    display: flex;
    align-items: center;
    gap: 6px;

    font-size: 0.85em;
    color: var(--color-control);
}

.card .details-button {
    z-index: 1;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 0 15px 0;
}

.card .details-button i {
    font-size: 0.85em;
}

.card .details-close {
    visibility: hidden;
}

#details:target + .card-container .details-open,
#details:target + .card-container .flip-button {
    visibility: hidden;
}

#details:target + .card-container .details-close {
    visibility: visible;
}

.card .back hr {
    margin: 0 20px;
}

.card .back ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.card .back ul li {
    margin: 5px 0;
}

.card .back ul li i {
    width: 20px;
    margin-right: 7px;
    text-align: center;
    color: var(--color-icon);
    font-size: 0.9em;
    line-height: 1em;
}

.card .back .interests {
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    column-gap: 10px;
    row-gap: 6px;
}

.card .back .interests .label {
    text-align: right;
}

.card .back .interests .icons {
    display: flex;
    align-items: center;
    gap: 0.4em;
    font-size: 1.25em;
    color: var(--color-icon);
}

.card .back .interests .skill {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 1.25em;
}

.card .back .interests .skill > i, .card .flip-button i {
    width: 1.25em;
    text-align: center;
}

.card .back .interests .icon {
    width: 1.25em;
    height: 1em;
    fill: currentColor;
}

.card .back .interests .caption {
    display: none;
    margin-top: 4px;

    font-size: 0.5em;
    line-height: 1.2em;
    color: var(--color-muted);
    text-align: center;
    hyphens: auto;
}

#details:target + .card-container .interests {
    row-gap: 14px;
}

#details:target + .card-container .interests .label {
    align-self: start;
    padding-top: 0.1em;
}

#details:target + .card-container .interests .icons {
    align-items: flex-start;
}

#details:target + .card-container .interests .skill {
    width: 4.8em;
}

#details:target + .card-container .interests .caption {
    display: block;
}

.card .flip-button {
    right: 0;
    padding: 0 25px 15px 0;
}

.card .front .flip-button {
    top: 0;
    left: 0;
    justify-content: flex-end;
    align-items: flex-end;
}

.card .pin-remove, #flip:target .pin-add {
    display: none;
}

#flip:target .pin-remove {
    display: flex;
}

@media (hover: hover) {
    .touch-only {
        display: none !important;
    }
}

@media not (hover: hover) {
    .hover-only {
        display: none !important;
    }
}

a {
    text-decoration: none;
    color: black;
}

.clickable {
    cursor: pointer;
}

html:not(.js) .requires-js {
    display: none;
}

@media only screen and (max-width: 760px) {
    #details:target + .card-container .back-main > ul,
    #details:target + .card-container .back-main > hr {
        display: none;
    }
}

@media only screen and (max-width: 600px) {
    :root {
        --max-height: calc(100dvh - 110px);
        --width: min(300px, calc(100vw - 32px));
        --height: min(550px, var(--max-height));
        --width-expanded: min(440px, calc(100vw - 24px));
        --height-expanded: var(--max-height);
        --flip-axis: 0, 1, 0;
    }
    .footer-container {
        bottom: calc(6px + env(safe-area-inset-bottom, 0px));
        right: 6px;
        gap: 6px;
        font-size: 0.7em;
        padding: 3px 10px;
    }
    .card .front, .card .back-main {
        flex-direction: column;
    }
    .card .front img {
        max-height: min(200px, 30dvh);
    }
    .card .front hr, .card .back hr {
        width: calc(var(--width) / 2);
        height: 0px;
        margin: 0;
    }
    .card .front .name {
        margin-top: 25px;
        margin-left: 0;
        text-align: center;
    }
    .card .front .name ul {
        padding: 0;
        list-style: none;
    }
    .card .back-main {
        gap: 28px;
        padding-bottom: 30px;
        box-sizing: border-box;
    }
    #details:target + .card-container .back {
        overflow-y: auto;
    }
    #details:target + .card-container .details {
        flex: none;
        overflow: visible;
        padding: 20px 25px 5px 25px;
    }
    #details:target + .card-container .back-main {
        flex: none;
        height: auto;
        overflow: visible;
        justify-content: flex-start;
        padding: 15px 25px 0 25px;
    }
    #details:target + .card-container .interests {
        grid-template-columns: 1fr;
        row-gap: 4px;
        width: 100%;
    }
    #details:target + .card-container .interests .label {
        text-align: left;
        margin-top: 10px;
    }
    #details:target + .card-container .interests .icons {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px 4px;
    }
    #details:target + .card-container .interests .skill {
        width: auto;
        min-width: 0;
    }
    #details:target + .card-container .interests .caption {
        -webkit-hyphens: auto;
        overflow-wrap: break-word;
        max-width: 100%;
    }
    #details:target + .card-container .details-close {
        position: sticky;
        order: 1;
        left: auto;
        transform: none;
        flex: none;
        justify-content: center;
        margin-top: auto;
        padding: 18px 0 15px 0;
        background: linear-gradient(to bottom, rgba(248, 248, 248, 0), rgb(248, 248, 248) 45%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .card, .card-container, .card .back-main, .card .details {
        transition: none;
        animation: none;
    }
}