/* ============================================================
   SINGLE ARTICLE — article.css
   Cyberskins design: var(--cs-red), Barlow Condensed / Manrope
   ============================================================ */


/* ── Page wrapper ─────────────────────────────────────────── */
.art-page {
    background: var(--cs-bg-0, #080A0E);
    min-height: 100vh;
}


/* ── HERO ──────────────────────────────────────────────────── */
.art-hero {
    padding-top: calc(var(--header-h, 80px) + clamp(36px, 4.5vw, 60px));
    padding-bottom: clamp(28px, 3.5vw, 44px);
    position: relative;
    overflow: hidden;
}

.art-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 55% 80% at 20% 45%,
        rgba(245,34,45,0.07) 0%, transparent 70%);
    pointer-events: none;
}


/* Breadcrumb */
.art-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 12px;
    color: var(--cs-txt3, #4A4E5A);
    margin-bottom: 22px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.art-breadcrumb__link {
    color: var(--cs-txt3, #4A4E5A);
    text-decoration: none;
    transition: color .2s;
}

.art-breadcrumb__link:hover { color: var(--cs-red, #F5222D); }

.art-breadcrumb__sep { opacity: .35; }

.art-breadcrumb__current {
    color: var(--cs-txt2, #8B8F9A);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 40ch;
}


/* Title */
.art-h1 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(40px, 6.5vw, 82px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: var(--cs-txt, #F0F2F8);
    margin-bottom: 20px;
    max-width: 860px;
    position: relative;
    z-index: 1;
}


/* Meta row: category + date */
.art-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.art-meta__cat {
    font-family: 'Manrope', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--cs-red, #F5222D);
    text-decoration: none;
    transition: opacity .2s;
}

.art-meta__cat:hover { opacity: .7; }

.art-meta__sep {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--cs-txt3, #4A4E5A);
    flex-shrink: 0;
}

.art-meta__date {
    font-family: 'Manrope', sans-serif;
    font-size: 12px;
    color: var(--cs-txt3, #4A4E5A);
    letter-spacing: .04em;
}


/* ── LAYOUT ────────────────────────────────────────────────── */
.art-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: clamp(40px, 5vw, 64px);
    padding-top: clamp(28px, 3.5vw, 44px);
    padding-bottom: clamp(60px, 8vw, 100px);
    align-items: start;
}


/* ── MAIN: cover + content + tags ──────────────────────────── */
.art-main { min-width: 0; }

.art-cover {
    margin-bottom: clamp(28px, 3.5vw, 40px);
    overflow: hidden;
}

.art-cover__img {
    width: 100%;
    aspect-ratio: 21 / 9;
    object-fit: cover;
    display: block;
}


/* Content typography */
.art-content {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(15px, 1.5vw, 16px);
    line-height: 1.85;
    color: var(--cs-txt2, #8B8F9A);
}

.art-content h2 {
    font-family: 'Barlow Condensed', sans-serif !important;
    font-size: clamp(24px, 3vw, 36px) !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    color: var(--cs-txt, #F0F2F8) !important;
    line-height: 1.05 !important;
    margin: 2.4em 0 .75em !important;
    letter-spacing: .01em !important;
}

.art-content h3 {
    font-family: 'Barlow Condensed', sans-serif !important;
    font-size: clamp(18px, 2.2vw, 24px) !important;
    font-weight: 700 !important;
    color: var(--cs-txt, #F0F2F8) !important;
    margin: 2em 0 .6em !important;
}

.art-content h4 {
    font-family: 'Barlow Condensed', sans-serif !important;
    font-size: clamp(16px, 1.8vw, 20px) !important;
    font-weight: 700 !important;
    color: var(--cs-txt, #F0F2F8) !important;
    margin: 1.8em 0 .5em !important;
}

.art-content h5,
.art-content h6 {
    font-family: 'Manrope', sans-serif !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    color: var(--cs-txt, #F0F2F8) !important;
    text-transform: uppercase !important;
    letter-spacing: .08em !important;
    margin: 1.6em 0 .5em !important;
}

.art-content p { margin-bottom: 1.5em; }

.art-content strong {
    color: var(--cs-txt, #F0F2F8);
    font-weight: 600;
}

.art-content ul,
.art-content ol {
    padding-left: 1.6em;
    margin-bottom: 1.5em;
}

.art-content li { margin-bottom: .5em; }

.art-content a {
    color: var(--cs-red, #F5222D);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.art-content a:hover { opacity: .75; }

.art-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2em 0;
}

.art-content blockquote {
    border-left: 3px solid var(--cs-red, #F5222D);
    padding: 14px 20px;
    margin: 2em 0;
    background: rgba(245,34,45,0.04);
    color: var(--cs-txt, #F0F2F8);
    font-style: italic;
}


/* Tags */
.art-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: clamp(28px, 3.5vw, 44px);
    padding-top: 28px;
    border-top: 1px solid var(--cs-bdr, rgba(255,255,255,0.07));
}

.art-tag {
    display: inline-flex;
    align-items: center;
    padding: 7px 16px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--cs-txt2, #8B8F9A);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--cs-bdr, rgba(255,255,255,0.07));
    text-decoration: none;
    transition: background .2s, border-color .2s, color .2s;
    clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}

.art-tag:hover {
    background: rgba(245,34,45,0.07);
    border-color: rgba(245,34,45,0.30);
    color: var(--cs-red, #F5222D);
}


/* ── SIDEBAR ───────────────────────────────────────────────── */
.art-sidebar {
    position: sticky;
    top: calc(var(--header-h, 80px) + 28px);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.art-sidebar-widget {
    background: var(--cs-bg-card, #0D1018);
    border: 1px solid var(--cs-bdr, rgba(255,255,255,0.07));
    padding: 20px;
    position: relative;
}

/* Red top stripe */
.art-sidebar-widget::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cs-red, #F5222D), var(--cs-orange, #FF6B00));
}

.art-sidebar-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--cs-txt3, #4A4E5A);
    margin: 0 0 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--cs-bdr, rgba(255,255,255,0.07));
}

.art-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.art-sidebar-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 12px;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background .2s, border-color .2s;
}

.art-sidebar-link:hover {
    background: rgba(255,255,255,0.03);
    border-color: var(--cs-bdr, rgba(255,255,255,0.07));
}

.art-sidebar-link.is-active {
    background: rgba(245,34,45,0.08);
    border-color: rgba(245,34,45,0.22);
}

.art-sidebar-link__title {
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--cs-txt2, #8B8F9A);
    line-height: 1.45;
    transition: color .2s;
}

.art-sidebar-link:hover .art-sidebar-link__title,
.art-sidebar-link.is-active .art-sidebar-link__title {
    color: var(--cs-txt, #F0F2F8);
}

.art-sidebar-link__date {
    font-family: 'Manrope', sans-serif;
    font-size: 11px;
    color: var(--cs-txt3, #4A4E5A);
    letter-spacing: .03em;
}

.art-sidebar-link.is-active .art-sidebar-link__date {
    color: rgba(245,34,45,0.55);
}


/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 960px) {
    .art-layout {
        grid-template-columns: 1fr;
    }

    .art-sidebar {
        position: static;
        order: -1;
    }

    .art-sidebar-widget { padding: 16px; }

    .art-sidebar-list { flex-direction: row; flex-wrap: wrap; }

    .art-sidebar-link {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        padding: 8px 12px;
    }

    .art-sidebar-link__date { white-space: nowrap; }
}

@media (max-width: 640px) {
    .art-h1 { font-size: clamp(32px, 9vw, 52px); }
    .art-cover__img { aspect-ratio: 16 / 9; }
    .art-sidebar-list { flex-direction: column; }
}