:root {
    --bg: #ffffff;
    --bg-soft: #f7f8fa;
    --border: #e6e8ec;
    --text: #17191c;
    --text-soft: #646b75;
    --accent: #111827;
    --tag-bg: #f1f3f5;

    --container: 1180px;
}


* {
    box-sizing: border-box;
}


body {
    margin: 0;

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background: var(--bg);
    color: var(--text);

    line-height: 1.6;
}


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


.container {
    width: min(
        calc(100% - 40px),
        var(--container)
    );

    margin: 0 auto;
}


/* HEADER */

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.96);
}


.header-inner {
    min-height: 68px;

    display: flex;
    align-items: center;

    gap: 32px;
}


.brand {
    display: flex;
    align-items: center;
    gap: 9px;

    font-weight: 700;
    font-size: 17px;
}


.brand-mark {
    font-size: 16px;
}


.main-nav {
    display: flex;
    gap: 24px;

    margin-left: auto;
}


.main-nav a {
    font-size: 14px;
    color: var(--text-soft);
}


.main-nav a:hover {
    color: var(--text);
}


/* LANGUAGE */

.language-menu {
    position: relative;
}


.language-menu summary {
    cursor: pointer;

    font-size: 13px;

    list-style: none;
}


.language-dropdown {
    position: absolute;
    right: 0;
    top: 36px;

    min-width: 150px;

    background: #fff;

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

    padding: 6px;

    box-shadow:
        0 10px 30px rgba(0,0,0,.08);

    z-index: 100;
}


.language-dropdown a {
    display: block;

    padding: 8px 10px;

    font-size: 13px;

    border-radius: 6px;
}


.language-dropdown a:hover {
    background: var(--bg-soft);
}


/* HERO */

.hero {
    padding: 92px 0 72px;

    border-bottom: 1px solid var(--border);
}


.hero-eyebrow {
    font-size: 12px;
    font-weight: 700;

    letter-spacing: .12em;

    color: var(--text-soft);

    margin-bottom: 14px;
}


.hero h1 {
    margin: 0;

    max-width: 800px;

    font-size: clamp(
        42px,
        6vw,
        72px
    );

    line-height: 1.04;

    letter-spacing: -.04em;
}


.hero-description {
    max-width: 680px;

    margin-top: 24px;

    color: var(--text-soft);

    font-size: 18px;
}


.hero-stats {
    display: flex;

    margin-top: 32px;
}


.hero-stats div {
    display: flex;
    flex-direction: column;
}


.hero-stats strong {
    font-size: 28px;
}


.hero-stats span {
    font-size: 13px;
    color: var(--text-soft);
}


/* SEARCH */

.search-form {
    display: flex;

    max-width: 680px;

    margin-top: 32px;
}


.search-form input {
    flex: 1;

    min-width: 0;

    padding: 14px 16px;

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

    border-radius:
        8px 0 0 8px;

    font-size: 15px;
}


.search-form button {
    padding: 0 22px;

    border: 0;

    border-radius:
        0 8px 8px 0;

    background: var(--accent);
    color: #fff;

    cursor: pointer;
}


/* SECTIONS */

.section {
    padding: 64px 0;
}


.section-muted {
    background: var(--bg-soft);
}


.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 24px;
}


.section-header h2 {
    margin: 0;

    font-size: 24px;
}


.section-header > a {
    font-size: 14px;

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


/* SKILL GRID */

.skill-grid {
    display: grid;

    grid-template-columns:
        repeat(
            3,
            minmax(0, 1fr)
        );

    gap: 16px;
}


.skill-card {
    border: 1px solid var(--border);

    border-radius: 10px;

    padding: 20px;

    background: #fff;
}


.skill-card:hover {
    border-color: #c7cbd1;
}


.skill-card-top {
    display: flex;
    justify-content: space-between;

    min-height: 24px;
}


.skill-card h3 {
    margin: 16px 0 8px;

    font-size: 19px;
}


.skill-card p {
    margin: 0;

    color: var(--text-soft);

    font-size: 14px;
}


.category-label {
    display: inline-flex;

    padding: 4px 8px;

    background: var(--tag-bg);

    border-radius: 5px;

    font-size: 11px;
    font-weight: 600;
}


.score {
    font-size: 12px;

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


.skill-meta {
    display: flex;
    justify-content: space-between;

    gap: 12px;

    margin-top: 18px;

    font-size: 12px;

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


.tags {
    display: flex;
    flex-wrap: wrap;

    gap: 6px;

    margin-top: 14px;
}


.tags span {
    padding: 4px 7px;

    border-radius: 5px;

    background: var(--tag-bg);

    color: #555;

    font-size: 11px;
}


/* CATEGORY */

.category-grid {
    display: grid;

    grid-template-columns:
        repeat(
            4,
            minmax(0, 1fr)
        );

    gap: 14px;
}


.category-card {
    display: flex;
    flex-direction: column;

    padding: 18px;

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


.category-card span {
    margin-top: 6px;

    color: var(--text-soft);

    font-size: 13px;
}


/* PAGE HEADER */

.page-header {
    padding: 58px 0;

    border-bottom:
        1px solid var(--border);

    background:
        var(--bg-soft);
}


.page-header h1 {
    margin: 0;

    font-size: 40px;

    letter-spacing: -.03em;
}


.page-header p {
    margin-bottom: 0;

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


/* FILTER */

.filter-bar {
    display: grid;

    grid-template-columns:
        1fr 200px 180px auto;

    gap: 10px;

    margin-bottom: 22px;
}


.filter-bar input,
.filter-bar select {
    min-width: 0;

    padding: 11px 12px;

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

    border-radius: 7px;

    background: #fff;
}


.filter-bar button {
    border: 0;

    border-radius: 7px;

    padding: 0 18px;

    background: var(--accent);

    color: white;

    cursor: pointer;
}


.result-count {
    margin-bottom: 18px;

    color: var(--text-soft);

    font-size: 13px;
}


/* DETAIL */

.skill-hero {
    padding: 54px 0;

    border-bottom:
        1px solid var(--border);
}


.skill-hero h1 {
    margin:
        14px 0 14px;

    font-size: 46px;

    letter-spacing: -.035em;
}


.skill-lead {
    max-width: 760px;

    font-size: 18px;

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


.breadcrumbs {
    display: flex;
    gap: 8px;

    margin-bottom: 18px;

    color: var(--text-soft);

    font-size: 12px;
}


.skill-stats {
    display: flex;
    gap: 36px;

    margin-top: 30px;
}


.skill-stats div {
    display: flex;
    flex-direction: column;
}


.skill-stats strong {
    font-size: 20px;
}


.skill-stats span {
    font-size: 12px;

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


.detail-layout {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr) 280px;

    gap: 54px;
}


.detail-section {
    padding-bottom: 40px;

    margin-bottom: 40px;

    border-bottom:
        1px solid var(--border);
}


.detail-section h2 {
    margin-top: 0;

    font-size: 22px;
}


.detail-sidebar {
    min-width: 0;
}


.sidebar-card {
    margin-bottom: 16px;

    padding: 18px;

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

    border-radius: 9px;
}


.sidebar-card h3 {
    margin-top: 0;

    font-size: 14px;
}


.sidebar-card dl {
    margin-bottom: 0;
}


.sidebar-card dt {
    margin-top: 12px;

    color: var(--text-soft);

    font-size: 11px;
}


.sidebar-card dd {
    margin: 2px 0 0;
}


/* FILES */

.file-list {
    border:
        1px solid var(--border);

    border-radius: 8px;

    overflow: hidden;
}


.file-row {
    display: grid;

    grid-template-columns:
        90px minmax(0, 1fr) 100px;

    gap: 12px;

    padding: 11px 14px;

    border-bottom:
        1px solid var(--border);

    font-size: 13px;
}


.file-row:last-child {
    border-bottom: 0;
}


.file-type {
    color: var(--text-soft);

    font-size: 11px;
}


/* PAGINATION */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;

    gap: 20px;

    margin-top: 36px;
}


/* FOOTER */

.site-footer {
    margin-top: 80px;

    border-top:
        1px solid var(--border);

    background:
        var(--bg-soft);
}


.footer-inner {
    display: flex;
    justify-content: space-between;

    gap: 40px;

    padding-top: 44px;
    padding-bottom: 36px;
}


.footer-brand {
    font-weight: 700;
}


.footer-inner p {
    max-width: 440px;

    color: var(--text-soft);

    font-size: 13px;
}


.footer-links {
    display: flex;
    gap: 20px;

    font-size: 13px;
}


.footer-bottom {
    display: flex;
    justify-content: space-between;

    padding-top: 18px;
    padding-bottom: 18px;

    border-top:
        1px solid var(--border);

    color: var(--text-soft);

    font-size: 11px;
}


/* MOBILE */

@media (
    max-width: 800px
) {

    .container {
        width:
            min(
                calc(100% - 28px),
                var(--container)
            );
    }

    .main-nav {
        display: none;
    }

    .language-menu {
        margin-left: auto;
    }

    .hero {
        padding:
            58px 0 48px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .skill-grid {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns:
            repeat(
                2,
                1fr
            );
    }

    .filter-bar {
        grid-template-columns: 1fr;
    }

    .detail-layout {
        grid-template-columns: 1fr;
    }

    .skill-stats {
        flex-wrap: wrap;
    }

    .footer-inner,
    .footer-bottom {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
    }

}
/* =========================================================
   Header brand icon / language switcher
   ========================================================= */

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.brand-mark img {
    display: block;
    width: 24px;
    height: 24px;
}

.language-menu {
    position: relative;
    flex: 0 0 auto;
}

.language-menu details {
    position: relative;
}

.language-menu summary {
    list-style: none;
}

.language-menu summary::-webkit-details-marker {
    display: none;
}

.language-trigger {
    display: inline-flex;
    align-items: center;
    gap: 7px;

    min-height: 38px;

    padding: 0 11px;

    border: 1px solid var(--border);
    border-radius: 7px;

    background: #fff;

    color: var(--text);
    font-size: 13px;
    font-weight: 500;

    cursor: pointer;
    user-select: none;
}

.language-trigger:hover {
    background: var(--bg-soft);
}

.language-icon {
    color: var(--text-soft);
    font-size: 13px;
}

.language-chevron {
    margin-left: 2px;
    color: var(--text-soft);
    font-size: 12px;
}

.language-dropdown {
    position: absolute;

    top: calc(100% + 8px);
    right: 0;

    z-index: 1000;

    min-width: 170px;

    padding: 6px;

    border: 1px solid var(--border);
    border-radius: 9px;

    background: #fff;

    box-shadow:
        0 14px 40px rgba(17, 24, 39, .12);
}

.language-dropdown a {
    display: block;

    padding: 9px 10px;

    border-radius: 6px;

    color: var(--text-soft);
    font-size: 13px;
}

.language-dropdown a:hover {
    background: var(--bg-soft);
    color: var(--text);
}

.language-dropdown a.is-active {
    background: var(--bg-soft);
    color: var(--text);
    font-weight: 600;
}

@media (max-width: 800px) {
    .language-current {
        max-width: 76px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}