/* ===== Blog — blg- prefix ===== */

/* ——— Hero ——— */
.blg-hero {
    position: relative;
    overflow: hidden;
    background: var(--color-dark-bg, #050210);
}
.blg-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(100,60,180,.35) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 70%, rgba(80,50,170,.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(120,75,200,.12) 0%, transparent 45%);
    pointer-events: none;
    animation: blgOrbDrift 14s ease-in-out infinite alternate;
}
@keyframes blgOrbDrift { 0% { transform: scale(1) translate(0,0); } 100% { transform: scale(1.1) translate(-2%,3%); } }
.blg-hero-w {
    max-width: 800px;
    margin: 0 auto;
    padding: clamp(120px,12vw,160px) 24px clamp(60px,6vw,80px);
    position: relative;
    z-index: 2;
    text-align: center;
}
.blg-hero-t {
    font-family: var(--font-heading);
    font-size: clamp(36px,5vw,56px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -.04em;
    color: #fff;
    margin: 0 0 18px;
}
.blg-hero-t em {
    font-style: normal;
    background: linear-gradient(135deg, #FF6B81, #FCD34D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.blg-hero-sub {
    font-size: clamp(15px,1.4vw,18px);
    color: rgba(255,255,255,.5);
    line-height: 1.6;
    margin: 0 auto;
    max-width: 600px;
}

/* Particle canvas */
.blg-particles { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }

/* Orbital SVG */
.blg-orbitals { position: absolute; top: 50%; left: 50%; width: min(100%,900px); height: auto; aspect-ratio: 2/1; transform: translate(-50%,-50%); pointer-events: none; opacity: .6; z-index: 1; }
.blg-ring { animation: blgRingSpin 20s linear infinite; }
.blg-ring-2 { animation-duration: 28s; animation-direction: reverse; }
.blg-ring-3 { animation-duration: 35s; }
@keyframes blgRingSpin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.blg-orb-1 { animation: blgOrbit1 12s linear infinite; }
.blg-orb-2 { animation: blgOrbit2 16s linear infinite; }
.blg-orb-3 { animation: blgOrbit3 22s linear infinite; }
.blg-orb-4 { animation: blgOrbit4 18s linear infinite; }
@keyframes blgOrbit1 { 0% { transform: translate(680px,200px); } 25% { transform: translate(400px,80px); } 50% { transform: translate(120px,200px); } 75% { transform: translate(400px,320px); } 100% { transform: translate(680px,200px); } }
@keyframes blgOrbit2 { 0% { transform: translate(600px,115px); } 25% { transform: translate(400px,200px); } 50% { transform: translate(200px,285px); } 75% { transform: translate(400px,200px); } 100% { transform: translate(600px,115px); } }
@keyframes blgOrbit3 { 0% { transform: translate(740px,200px); } 25% { transform: translate(400px,50px); } 50% { transform: translate(60px,200px); } 75% { transform: translate(400px,350px); } 100% { transform: translate(740px,200px); } }
@keyframes blgOrbit4 { 0% { transform: translate(200px,115px); } 25% { transform: translate(400px,200px); } 50% { transform: translate(600px,285px); } 75% { transform: translate(400px,200px); } 100% { transform: translate(200px,115px); } }
.blg-glow-1 { animation: blgOrbit1 12s linear infinite; }
.blg-glow-2 { animation: blgOrbit2 16s linear infinite; }

/* Hero fade-in */
.blg-fade { opacity: 0; transform: translateY(20px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.blg-fade.blg-fade-in { opacity: 1; transform: translateY(0); }
.blg-fade-2 { transition-delay: .15s; }
@media (prefers-reduced-motion: reduce) { .blg-fade, .blg-ring, .blg-orb-1, .blg-orb-2, .blg-orb-3, .blg-orb-4 { animation: none; opacity: 1; transform: none; transition: none; } }

/* ——— Section (Index) ——— */
.blg-section { padding: clamp(40px,5vw,64px) 0 clamp(56px,6vw,80px); }
.blg-section-w {
    max-width: 1232px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ——— Category Pills ——— */
.blg-cats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: clamp(28px,3vw,40px);
}
.blg-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light, #667085);
    background: var(--gray-100, #F2F4F7);
    text-decoration: none;
    transition: all .2s;
    border: 1px solid transparent;
}
.blg-cat:hover {
    background: var(--gray-200, #E4E7EC);
    color: var(--color-text, #101828);
}
.blg-cat.active {
    background: var(--color-primary, #7F56D9);
    color: #fff;
    border-color: var(--color-primary, #7F56D9);
}
.blg-cat-count {
    font-size: 12px;
    font-weight: 700;
    opacity: .6;
}
.blg-cat.active .blg-cat-count { opacity: .8; }

/* ——— Card Grid ——— */
.blg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px,2vw,28px);
}
.blg-grid-3 { grid-template-columns: repeat(3, 1fr); }

.blg-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--gray-200, #EAECF0);
    transition: transform .25s cubic-bezier(.23,1,.32,1), box-shadow .25s, border-color .25s;
}
.blg-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.08);
    border-color: rgba(127,86,217,.2);
}
.blg-card-img {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--gray-100, #F2F4F7);
}
.blg-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s cubic-bezier(.23,1,.32,1);
}
.blg-card:hover .blg-card-img img { transform: scale(1.05); }
.blg-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #E4E7EC, #F2F4F7);
}

.blg-card-body {
    padding: 20px 22px 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.blg-card-cat {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-primary, #7F56D9);
    margin-bottom: 8px;
}
.blg-card-title {
    font-family: var(--font-heading);
    font-size: clamp(16px,1.2vw,18px);
    font-weight: 700;
    color: var(--color-text, #101828);
    line-height: 1.35;
    letter-spacing: -.02em;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blg-card-excerpt {
    font-size: 14px;
    color: var(--color-text-light, #667085);
    line-height: 1.6;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.blg-card-meta {
    font-size: 13px;
    color: var(--gray-400, #98A2B3);
}

/* ——— Pagination ——— */
.blg-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: clamp(36px,4vw,48px);
}
.blg-page-btn, .blg-page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-light, #667085);
    background: #fff;
    text-decoration: none;
    border: 1px solid var(--gray-200, #EAECF0);
    transition: all .2s;
}
.blg-page-btn:hover, .blg-page-num:hover {
    background: var(--gray-50, #F9FAFB);
    color: var(--color-text, #101828);
    border-color: var(--gray-300, #D0D5DD);
}
.blg-page-num.active {
    background: var(--color-primary, #7F56D9);
    color: #fff;
    border-color: var(--color-primary, #7F56D9);
}

/* ——— Breadcrumb Bar (Detail) ——— */
.blg-breadcrumb-bar {
    background: var(--gray-50, #F9FAFB);
    border-bottom: 1px solid var(--gray-200, #EAECF0);
    padding: 16px 0;
}
.blg-breadcrumb-w {
    max-width: 1232px;
    margin: 0 auto;
    padding: 0 24px;
}
.blg-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-400, #98A2B3);
}
.blg-breadcrumb a {
    color: var(--color-text-light, #667085);
    text-decoration: none;
    transition: color .15s;
}
.blg-breadcrumb a:hover { color: var(--color-primary, #7F56D9); }
.blg-breadcrumb svg { color: var(--gray-300, #D0D5DD); flex-shrink: 0; }
.blg-breadcrumb > span:last-child {
    color: var(--color-text, #101828);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 400px;
}

/* ——— Detail Layout ——— */
.blg-layout {
    max-width: 1232px;
    margin: 0 auto;
    padding: clamp(32px,4vw,48px) 24px clamp(48px,5vw,64px);
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: clamp(32px,4vw,56px);
}

/* ——— Article ——— */
.blg-article-header { margin-bottom: clamp(24px,3vw,36px); }
.blg-article-cat {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-primary, #7F56D9);
    background: var(--color-primary-bg, #F5F0FF);
    padding: 5px 12px;
    border-radius: 6px;
    text-decoration: none;
    margin-bottom: 14px;
    transition: background .15s;
}
.blg-article-cat:hover { background: rgba(127,86,217,.15); color: var(--color-primary, #7F56D9); }

.blg-article-title {
    font-family: var(--font-heading);
    font-size: clamp(28px,3.5vw,40px);
    font-weight: 900;
    color: var(--color-text, #101828);
    line-height: 1.15;
    letter-spacing: -.03em;
    margin: 0 0 16px;
}
.blg-article-excerpt {
    font-size: clamp(16px,1.2vw,18px);
    color: var(--color-text-light, #667085);
    line-height: 1.6;
    margin: 0 0 16px;
}
.blg-article-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-400, #98A2B3);
    flex-wrap: wrap;
}
.blg-article-author { font-weight: 600; color: var(--color-text, #101828); }
.blg-article-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gray-300, #D0D5DD);
    flex-shrink: 0;
}

.blg-article-hero {
    margin-bottom: clamp(28px,3vw,40px);
    border-radius: 16px;
    overflow: hidden;
}
.blg-article-hero img { width: 100%; height: auto; display: block; }

/* Article Content */
.blg-article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-secondary, #344054);
}
.blg-article-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(22px,2vw,26px);
    font-weight: 800;
    color: var(--color-text, #101828);
    margin: 40px 0 16px;
    letter-spacing: -.02em;
    padding-top: 8px;
}
.blg-article-content h3 {
    font-family: var(--font-heading);
    font-size: clamp(18px,1.5vw,21px);
    font-weight: 700;
    color: var(--color-text, #101828);
    margin: 32px 0 12px;
    letter-spacing: -.01em;
}
.blg-article-content p { margin: 0 0 18px; }
.blg-article-content ul, .blg-article-content ol { margin: 0 0 18px; padding-left: 24px; }
.blg-article-content li { margin-bottom: 8px; }
.blg-article-content img { max-width: 100%; height: auto; border-radius: 12px; margin: 20px 0; }
.blg-article-content blockquote {
    border-left: 4px solid var(--color-primary, #7F56D9);
    padding: 16px 24px;
    margin: 20px 0;
    background: var(--gray-50, #F9FAFB);
    border-radius: 0 12px 12px 0;
    color: var(--color-text-secondary, #344054);
    font-style: italic;
}
.blg-article-content a { color: var(--color-primary, #7F56D9); text-decoration: underline; text-underline-offset: 2px; }
.blg-article-content a:hover { color: var(--color-secondary, #6941C6); }
.blg-article-content pre {
    background: #1D2939;
    color: #E4E7EC;
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    font-size: 14px;
    margin: 20px 0;
    line-height: 1.6;
}
.blg-article-content code {
    background: var(--gray-100, #F2F4F7);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: .9em;
}
.blg-article-content pre code { background: none; padding: 0; border-radius: 0; font-size: inherit; }

/* Share */
.blg-share {
    margin-top: clamp(32px,3vw,48px);
    padding-top: clamp(24px,2vw,32px);
    border-top: 1px solid var(--gray-200, #EAECF0);
    display: flex;
    align-items: center;
    gap: 16px;
}
.blg-share-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #101828);
}
.blg-share-btns { display: flex; gap: 8px; }
.blg-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gray-100, #F2F4F7);
    color: var(--color-text-light, #667085);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all .2s;
}
.blg-share-btn:hover {
    background: var(--color-primary-bg, #F5F0FF);
    color: var(--color-primary, #7F56D9);
}
.blg-share-btn.copied {
    background: #ECFDF3;
    color: #039855;
}

/* ——— Sidebar ——— */
.blg-sidebar {
    position: sticky;
    top: 90px;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.blg-sidebar-box {
    background: var(--gray-50, #F9FAFB);
    border: 1px solid var(--gray-200, #EAECF0);
    border-radius: 16px;
    padding: 24px;
}
.blg-sidebar-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text, #101828);
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200, #EAECF0);
}

/* TOC */
.blg-toc { display: flex; flex-direction: column; gap: 2px; }
.blg-toc-link {
    display: block;
    padding: 6px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-light, #667085);
    text-decoration: none;
    border-radius: 8px;
    border-left: 2px solid transparent;
    transition: all .15s;
    line-height: 1.4;
}
.blg-toc-link:hover {
    color: var(--color-text, #101828);
    background: #fff;
}
.blg-toc-link.active {
    color: var(--color-primary, #7F56D9);
    border-left-color: var(--color-primary, #7F56D9);
    background: #fff;
    font-weight: 600;
}
.blg-toc-sub { padding-left: 22px; font-size: 12px; }

/* Sidebar Categories */
.blg-sidebar-cats { display: flex; flex-direction: column; gap: 2px; }
.blg-sidebar-cat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    font-size: 14px;
    color: var(--color-text-light, #667085);
    text-decoration: none;
    border-radius: 8px;
    transition: all .15s;
}
.blg-sidebar-cat:hover {
    background: #fff;
    color: var(--color-text, #101828);
}
.blg-sidebar-cat.active {
    background: rgba(127,86,217,.08);
    color: var(--color-primary, #7F56D9);
    font-weight: 600;
}
.blg-sidebar-cat-count {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-400, #98A2B3);
    background: #fff;
    padding: 2px 8px;
    border-radius: 100px;
    min-width: 24px;
    text-align: center;
}
.blg-sidebar-cat.active .blg-sidebar-cat-count {
    background: rgba(127,86,217,.12);
    color: var(--color-primary, #7F56D9);
}

/* Sidebar Recent Posts */
.blg-sidebar-recent { display: flex; flex-direction: column; gap: 14px; }
.blg-recent-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    border-radius: 10px;
    padding: 6px;
    margin: -6px;
    transition: background .15s;
}
.blg-recent-item:hover { background: #fff; }
.blg-recent-img {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}
.blg-recent-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.blg-recent-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text, #101828);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blg-recent-date {
    font-size: 12px;
    color: var(--gray-400, #98A2B3);
}

/* ——— Related ——— */
.blg-related {
    background: var(--gray-50, #F9FAFB);
    padding: clamp(48px,5vw,72px) 0 clamp(56px,6vw,80px);
}
.blg-related-w {
    max-width: 1232px;
    margin: 0 auto;
    padding: 0 24px;
}
.blg-related-title {
    font-family: var(--font-heading);
    font-size: clamp(22px,2.5vw,28px);
    font-weight: 800;
    color: var(--color-text, #101828);
    margin: 0 0 clamp(24px,3vw,32px);
    letter-spacing: -.02em;
}

/* ——— Responsive ——— */
@media (max-width: 1024px) {
    .blg-layout {
        grid-template-columns: 1fr 260px;
        gap: 32px;
    }
}

@media (max-width: 960px) {
    .blg-grid { grid-template-columns: repeat(2, 1fr); }
    .blg-grid-3 { grid-template-columns: repeat(2, 1fr); }

    .blg-layout {
        grid-template-columns: 1fr;
    }
    .blg-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px;
    }
    .blg-sidebar-box {
        flex: 1;
        min-width: 260px;
    }
    #blgTocBox { display: none; }
}

@media (max-width: 560px) {
    .blg-hero-w {
        padding: clamp(100px,10vw,120px) 16px clamp(40px,5vw,60px);
        text-align: left;
    }
    .blg-hero-sub { margin: 0; }
    .blg-section-w { padding: 0 16px; }
    .blg-grid { grid-template-columns: 1fr; }
    .blg-grid-3 { grid-template-columns: 1fr; }

    .blg-breadcrumb-w { padding: 0 16px; }
    .blg-breadcrumb > span:last-child { max-width: 200px; }

    .blg-layout { padding: 24px 16px 40px; }

    .blg-article-title { font-size: clamp(24px,6vw,32px); }

    .blg-sidebar { flex-direction: column; }
    .blg-sidebar-box { min-width: auto; }

    .blg-share { flex-direction: column; align-items: flex-start; gap: 12px; }

    .blg-related-w { padding: 0 16px; }

    .blg-pagination { flex-wrap: wrap; }
}