*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --background: #0c0708;
    --surface: #170e10;
    --surface-hover: #241518;

    --text: #fcfaff;
    --text-muted: #9c898d;

    --border: #4a2126;

    --accent: #9e2132;
    --accent-hover: #c22d41;

    --grid-accent: rgba(158, 33, 50, 0.15);
    --grid-crimson: rgba(194, 45, 65, 0.35);
    --grid-size-accent: 80px;
    --grid-size-crimson: 84px;
    --grid-weight: 2px;
    --grid-opacity: 3.5%;
}

html {
    scroll-behavior: smooth;
    scrollbar-color: color-mix(in srgb, var(--accent) 20%, transparent);
    overflow-x: hidden;
}

html::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

html::-webkit-scrollbar-track {
    background: var(--background);
}

html::-webkit-scrollbar-thumb {
    background-color: color-mix(in srgb, var(--accent) 20%, transparent);
    border-radius: 20px;
    border: 2px solid var(--background);
}

html::-webkit-scrollbar-thumb:hover {
    background-color: var(--accent);
}

body {
    background-color: var(--background);

    background-image:
        linear-gradient(
            to right,
            var(--grid-accent) var(--grid-weight),
            transparent var(--grid-weight)
        ),
        linear-gradient(
            to bottom,
            var(--grid-accent) var(--grid-weight),
            transparent var(--grid-weight)
        ),
        linear-gradient(
            to right,
            var(--grid-crimson) var(--grid-weight),
            transparent var(--grid-weight)
        ),
        linear-gradient(
            to bottom,
            var(--grid-crimson) var(--grid-weight),
            transparent var(--grid-weight)
        );

    background-size:
        var(--grid-size-accent) var(--grid-size-accent),
        var(--grid-size-accent) var(--grid-size-accent),
        var(--grid-size-crimson) var(--grid-size-crimson),
        var(--grid-size-crimson) var(--grid-size-crimson);

    animation: gridScroll 16s linear infinite;

    transition:
        background-color 500ms ease,
        color 300ms ease;

    color: var(--text);
    line-height: 1.5;
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Oxygen,
        Ubuntu,
        Cantarell,
        "Open Sans",
        "Helvetica Neue",
        sans-serif;

    min-height: 100vh;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

@keyframes gridScroll {
    0% {
        background-position:
            0px 0px,
            0px 0px,
            0px 0px,
            0px 0px;
    }
    100% {
        background-position:
            var(--grid-size-accent) var(--grid-size-accent),
            var(--grid-size-accent) var(--grid-size-accent),
            var(--grid-size-crimson) var(--grid-size-crimson),
            var(--grid-size-crimson) var(--grid-size-crimson);
    }
}

header {
    padding: 8px 24px;
    margin-bottom: 32px;

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

img {
    max-width: 100%;
    height: auto;

    display: inline-block;
    vertical-align: middle;
}

.section-asset-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;

    width: 100%;
    margin-top: 16px;
}

.img-badge-row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;

    width: 100%;
}

.taka-badge-img {
    width: 100px;
    height: auto;
    max-height: 120px;

    object-fit: contain;

    border: 4.5px dashed var(--border);
    border-radius: 4px;

    background-color: var(--surface);

    padding: 4px;

    transition:
        border-color 200ms ease,
        transform 200ms ease;
}

.taka-badge-img:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

a {
    display: inline-block;

    color: var(--accent);
    border-bottom: 1px solid transparent;

    text-decoration: none;

    transition:
        color 150ms ease,
        border-color 150ms ease,
        transform 150ms ease;
}

a:hover {
    color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: scale(1.05);
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;

    padding: 32px 20px;
}

section {
    background: color-mix(in srgb, var(--surface) 88%, transparent);

    border: 1px solid var(--border);
    border-radius: 8px;

    padding: 4px 32px 20px;

    max-width: 900px;

    position: relative;
}

article {
    background: color-mix(in srgb, var(--surface) 44%, transparent);

    border: 1px solid var(--border);
    border-radius: 8px;

    padding: 4px 32px 20px;

    max-width: 900px;

    margin-bottom: 20px;
}

section,
article {
    width: min(100%, 900px);
}

dl {
    display: grid;
    grid-template-columns: minmax(120px, 200px) 1fr;

    border: 1px solid var(--border);
    border-radius: 8px;

    overflow: hidden;

    margin-top: 12px;
}

dt,
dd {
    margin: 0;
    padding: 12px 16px;
}

dt {
    font-weight: 600;
    background: var(--surface);
}

dd {
    border-left: 1px solid var(--border);
}

dt:not(:first-of-type),
dd:not(:first-of-type) {
    border-top: 1px solid var(--border);
}

footer {
    background: var(--background);
    border-top: 1px solid var(--border);

    padding: 20px;

    text-align: center;
}

@media (max-width: 820px) {
    body {
        padding: 1.25rem 1rem;
    }

    header {
        flex-direction: column;
        gap: 12px;
        padding: 8px 0;
    }

    nav {
        flex-wrap: wrap;
        gap: 10px 14px;
    }

    main {
        padding-inline: 0;
    }

    .taka-img {
        margin-top: 12px;
    }
}

@media (max-width: 560px) {
    body {
        padding: 0.875rem 0.75rem;
    }

    h1 {
        font-size: clamp(2.2rem, 10vw, 3rem);
    }

    h2 {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    nav {
        gap: 8px 12px;
    }

    nav a {
        font-size: 0.92rem;
    }

    section {
        padding: 16px 16px 18px;
        padding-right: 32px;
        padding-bottom: 140px;
    }

    .taka-img {
        left: 50%;
        right: auto;
        bottom: 16px;

        transform: translateX(-50%);
    }

    input,
    button {
        width: 100%;
        max-width: 100%;
        min-height: 44px;
    }

    dl {
        grid-template-columns: 1fr;
    }

    dt,
    dd {
        border-left: none;
    }

    dd {
        border-top: 1px solid var(--border);
    }

    iframe {
        width: 100%;
    }

    footer {
        padding: 16px 12px;
    }
}