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

:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --text: #ededed;
    --muted: #8a8a8a;
    --accent: #ffffff;
    --border: #262626;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
}

.nav__brand {
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text);
    text-decoration: none;
    margin-right: auto;
}

.nav__link {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.15s ease;
}

.nav__link:hover {
    color: var(--text);
}
.nav__link--active {
    color: var(--text);
}

.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 1rem;
    letter-spacing: -0.01em;
}
h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 0.5rem;
}
p {
    color: var(--muted);
    margin: 0 0 1rem;
}

.lead {
    font-size: 1.15rem;
    margin: 0 0 2rem;
}

.repo-link {
    margin: 2rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.repo-link a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.repo-link a:hover {
    color: var(--text);
}

.badge {
    display: inline-block;
    vertical-align: middle;
    margin-left: 0.5rem;
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    margin-top: 0.5rem;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    transition:
        border-color 0.15s ease,
        background 0.15s ease;
}

.btn:hover {
    border-color: var(--accent);
    background: var(--surface);
}

.btn--primary {
    background: var(--text);
    border-color: var(--text);
    color: var(--bg);
}

.btn--primary:hover {
    background: #fff;
    border-color: #fff;
    color: var(--bg);
}

.downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.download-latest {
    margin: 1rem 0 1.5rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.download-latest__label {
    margin-bottom: 0.85rem;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.older-versions {
    margin-top: 0.5rem;
}

.older-versions summary {
    cursor: pointer;
    width: fit-content;
    padding: 0.4rem 0;
    color: var(--muted);
    font-size: 0.9rem;
    user-select: none;
}

.older-versions summary:hover {
    color: var(--text);
}

.older-versions[open] summary {
    margin-bottom: 0.5rem;
}

.version {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0.85rem 0;
    border-top: 1px solid var(--border);
}

.version:last-child {
    border-bottom: 1px solid var(--border);
}

.version__num {
    flex: 0 0 4.5rem;
    font-variant-numeric: tabular-nums;
    color: var(--text);
    font-size: 0.9rem;
}

.version__date {
    color: var(--muted);
    font-size: 0.85rem;
}

.version .downloads {
    margin-left: auto;
}

.cards {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    color: inherit;
    transition:
        border-color 0.15s ease,
        background 0.15s ease;
}

.card:hover {
    border-color: var(--accent);
    background: var(--surface);
}
.card h2 {
    margin: 0 0 0.25rem;
    font-size: 1.2rem;
}
.card p {
    margin: 0;
}

.card__thumb {
    flex: 0 0 auto;
    width: 220px;
    height: 160px;
    object-fit: contain;
}

.card__body {
    min-width: 0;
}

.back {
    display: inline-block;
    margin-bottom: 1.5rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
}
.back:hover {
    color: var(--text);
}

.product-image {
    display: block;
    width: 100%;
    height: auto;
    margin: 1.5rem 0;
}

.markdown {
    color: var(--text);
}
.markdown h2 {
    font-size: 1.25rem;
}
.markdown p,
.markdown li {
    color: var(--muted);
}
.markdown a {
    color: var(--text);
}
.markdown code {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    font-size: 0.9em;
}
.markdown blockquote {
    margin: 0 0 1.5rem;
    padding: 0.85rem 1.1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
}
.markdown blockquote p {
    margin: 0;
    color: var(--text);
}

.footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
}