/* ============================================================
   Polymers Bazaar — Modern Blog styles
   Scoped with "pbb-" prefix (Polymers Bazaar Blog).
   ============================================================ */

:root {
    --pbb-primary: #1e3a8a;
    --pbb-primary-600: #1e40af;
    --pbb-primary-50: #eff6ff;
    --pbb-primary-100: #dbeafe;
    --pbb-accent: #16a34a;
    --pbb-accent-600: #15803d;
    --pbb-accent-50: #dcfce7;
    --pbb-ink: #0f172a;
    --pbb-ink-soft: #334155;
    --pbb-muted: #64748b;
    --pbb-muted-2: #94a3b8;
    --pbb-surface: #ffffff;
    --pbb-surface-alt: #f8fafc;
    --pbb-border: #e2e8f0;
    --pbb-shadow: 0 10px 30px rgba(15,23,42,.08);
    --pbb-shadow-sm: 0 2px 8px rgba(15,23,42,.05);
    --pbb-font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.pbb-wrap { width: 80%; max-width: 1320px; margin: 0 auto; font-family: var(--pbb-font); }

@media (max-width: 1199.98px) { .pbb-wrap { width: 92%; } }
@media (max-width: 575.98px)  { .pbb-wrap { width: calc(100% - 32px); } }

/* =========================================================
   HERO / BANNER
   ========================================================= */
.pbb-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    padding: 56px 0 52px;
    position: relative;
    overflow: hidden;
    font-family: var(--pbb-font);
}
.pbb-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255,255,255,.08) 0, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(22,163,74,.18) 0, transparent 40%);
    pointer-events: none;
}
.pbb-hero__inner { position: relative; }
.pbb-hero__eyebrow {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 3px;
    color: #86efac;
    margin-bottom: 10px;
}
.pbb-hero__title {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
    color: #fff;
    margin: 0 0 10px;
    letter-spacing: -.8px;
    line-height: 1.1;
}
.pbb-hero__subtitle {
    font-size: 15.5px;
    color: #cbd5e1;
    margin: 0;
    max-width: 640px;
    line-height: 1.6;
}

/* =========================================================
   BLOG LIST — FILTERS
   ========================================================= */
.pbb-section { padding: 36px 0 60px; background: #fff; font-family: var(--pbb-font); }

.pbb-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
}
.pbb-filter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--pbb-border);
    background: #fff;
    color: var(--pbb-ink-soft);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: 999px;
    transition: all .2s;
    white-space: nowrap;
}
.pbb-filter:hover {
    border-color: var(--pbb-primary);
    color: var(--pbb-primary);
}
.pbb-filter.pbb-is-active {
    background: var(--pbb-primary);
    color: #fff;
    border-color: var(--pbb-primary);
}
.pbb-filter__count {
    font-size: 11px;
    font-weight: 700;
    background: rgba(15,23,42,.08);
    color: var(--pbb-ink-soft);
    padding: 2px 7px;
    border-radius: 999px;
    min-width: 20px;
    text-align: center;
}
.pbb-filter.pbb-is-active .pbb-filter__count {
    background: rgba(255,255,255,.22);
    color: #fff;
}

/* =========================================================
   BLOG GRID / CARD
   ========================================================= */
.pbb-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
@media (max-width: 991.98px) { .pbb-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (max-width: 575.98px) { .pbb-grid { grid-template-columns: 1fr; gap: 18px; } }

.pbb-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--pbb-border);
    border-radius: 14px;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    text-decoration: none;
    color: inherit;
    height: 100%;
}
.pbb-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--pbb-shadow);
    border-color: var(--pbb-primary-100);
    color: inherit;
}
.pbb-card__media {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--pbb-surface-alt);
    overflow: hidden;
}
.pbb-card__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s ease;
}
.pbb-card:hover .pbb-card__media img { transform: scale(1.06); }
.pbb-card__media-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--pbb-muted-2);
    font-size: 40px;
}
.pbb-card__cat {
    position: absolute;
    top: 14px;
    left: 14px;
    background: #fff;
    color: var(--pbb-primary);
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .4px;
    padding: 5px 12px;
    border-radius: 999px;
    box-shadow: 0 4px 10px rgba(15,23,42,.08);
}
.pbb-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.pbb-card__meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--pbb-muted);
    margin-bottom: 10px;
    font-weight: 500;
}
.pbb-card__meta i { color: var(--pbb-primary); font-size: 12px; }
.pbb-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--pbb-ink);
    line-height: 1.35;
    margin: 0 0 10px;
    letter-spacing: -.2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pbb-card:hover .pbb-card__title { color: var(--pbb-primary); }
.pbb-card__desc {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--pbb-muted);
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pbb-card__cta {
    margin-top: auto;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--pbb-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .2s ease;
}
.pbb-card:hover .pbb-card__cta { gap: 10px; }

/* =========================================================
   EMPTY STATE
   ========================================================= */
.pbb-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--pbb-muted);
}
.pbb-empty__icon {
    font-size: 48px;
    color: var(--pbb-muted-2);
    margin-bottom: 12px;
}
.pbb-empty h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--pbb-ink);
    margin: 0 0 6px;
}
.pbb-empty p { margin: 0; font-size: 14px; }

/* =========================================================
   PAGINATION
   ========================================================= */
.pbb-pagination { margin-top: 36px; display: flex; justify-content: center; }
.pbb-pagination .pagination {
    display: flex;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: center;
}
.pbb-pagination .page-item .page-link,
.pbb-pagination .page-item span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border: 1px solid var(--pbb-border);
    border-radius: 10px;
    background: #fff;
    color: var(--pbb-ink-soft);
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
    transition: all .2s;
}
.pbb-pagination .page-item.active .page-link {
    background: var(--pbb-primary);
    color: #fff;
    border-color: var(--pbb-primary);
}
.pbb-pagination .page-item:not(.disabled) .page-link:hover {
    border-color: var(--pbb-primary);
    color: var(--pbb-primary);
}
.pbb-pagination .page-item.disabled span {
    color: var(--pbb-muted-2);
    opacity: .6;
    cursor: not-allowed;
}

/* =========================================================
   BLOG DETAIL
   ========================================================= */
.pbb-breadcrumb {
    padding: 20px 0 0;
    background: var(--pbb-surface-alt);
    font-family: var(--pbb-font);
}
.pbb-breadcrumb__nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--pbb-muted);
}
.pbb-breadcrumb__nav a {
    color: var(--pbb-ink-soft);
    text-decoration: none;
    transition: color .2s;
}
.pbb-breadcrumb__nav a:hover { color: var(--pbb-primary); }
.pbb-breadcrumb__sep { color: var(--pbb-muted-2); font-size: 10px; }
.pbb-breadcrumb__current {
    color: var(--pbb-ink);
    font-weight: 600;
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pbb-detail { padding: 32px 0 56px; background: #fff; font-family: var(--pbb-font); }
.pbb-detail__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: flex-start;
}
@media (max-width: 991.98px) {
    .pbb-detail__grid { grid-template-columns: 1fr; gap: 36px; }
}

.pbb-article { }
.pbb-article__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 18px;
}
.pbb-article__cat {
    display: inline-block;
    padding: 5px 14px;
    background: var(--pbb-primary-50);
    color: var(--pbb-primary);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    border-radius: 999px;
}
.pbb-article__date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--pbb-muted);
}
.pbb-article__date i { color: var(--pbb-primary); }
.pbb-article__title {
    font-size: clamp(26px, 3.4vw, 40px);
    line-height: 1.15;
    font-weight: 800;
    color: var(--pbb-ink);
    margin: 0 0 24px;
    letter-spacing: -.5px;
}
.pbb-article__media {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 28px;
    background: var(--pbb-surface-alt);
    aspect-ratio: 16/9;
}
.pbb-article__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.pbb-article__content {
    font-size: 16px;
    line-height: 1.85;
    color: var(--pbb-ink-soft);
}
.pbb-article__content > :first-child { margin-top: 0; }
.pbb-article__content > :last-child { margin-bottom: 0; }
.pbb-article__content h2,
.pbb-article__content h3,
.pbb-article__content h4 {
    font-weight: 700;
    color: var(--pbb-ink);
    margin: 30px 0 14px;
    line-height: 1.3;
    letter-spacing: -.2px;
}
.pbb-article__content h2 { font-size: 26px; }
.pbb-article__content h3 { font-size: 22px; }
.pbb-article__content h4 { font-size: 18px; }
.pbb-article__content p { margin: 0 0 16px; }
.pbb-article__content a {
    color: var(--pbb-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
}
.pbb-article__content a:hover { color: var(--pbb-primary-600); }
.pbb-article__content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
}
.pbb-article__content blockquote {
    border-left: 4px solid var(--pbb-primary);
    padding: 8px 20px;
    margin: 22px 0;
    color: var(--pbb-ink-soft);
    background: var(--pbb-surface-alt);
    border-radius: 0 8px 8px 0;
    font-style: italic;
}
.pbb-article__content ul,
.pbb-article__content ol { padding-left: 22px; margin: 0 0 16px; }
.pbb-article__content li { margin-bottom: 6px; }
.pbb-article__content code {
    background: var(--pbb-surface-alt);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    color: var(--pbb-primary-600);
}

/* Share bar */
.pbb-share {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    padding: 20px 0 0;
    margin-top: 28px;
    border-top: 1px solid var(--pbb-border);
}
.pbb-share__label {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--pbb-ink);
}
.pbb-share__links { display: flex; gap: 8px; }
.pbb-share__btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--pbb-ink-soft);
    background: var(--pbb-surface-alt);
    text-decoration: none;
    transition: all .25s;
    font-size: 15px;
}
.pbb-share__btn:hover { transform: translateY(-2px); color: #fff; }
.pbb-share__btn--fb:hover { background: #1877f2; }
.pbb-share__btn--tw:hover { background: #1da1f2; }
.pbb-share__btn--li:hover { background: #0a66c2; }
.pbb-share__btn--wa:hover { background: #25d366; }

.pbb-back {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--pbb-primary);
    text-decoration: none;
    transition: gap .2s;
}
.pbb-back:hover { gap: 12px; color: var(--pbb-primary-600); }

/* Sidebar */
.pbb-sidebar { position: sticky; top: 90px; }
.pbb-widget {
    background: #fff;
    border: 1px solid var(--pbb-border);
    border-radius: 14px;
    padding: 22px;
}
.pbb-widget + .pbb-widget { margin-top: 18px; }
.pbb-widget__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--pbb-ink);
    margin: 0 0 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--pbb-border);
    position: relative;
}
.pbb-widget__title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 40px;
    height: 2px;
    background: var(--pbb-accent);
}

.pbb-related { display: flex; flex-direction: column; gap: 14px; }
.pbb-related__item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    align-items: center;
}
.pbb-related__thumb {
    width: 72px;
    height: 72px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--pbb-surface-alt);
    flex-shrink: 0;
}
.pbb-related__thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.pbb-related__thumb-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--pbb-muted-2);
    font-size: 22px;
}
.pbb-related__item:hover .pbb-related__thumb img { transform: scale(1.08); }
.pbb-related__title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--pbb-ink);
    margin: 0 0 4px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
}
.pbb-related__item:hover .pbb-related__title { color: var(--pbb-primary); }
.pbb-related__date {
    font-size: 11.5px;
    color: var(--pbb-muted);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.pbb-related__date i { color: var(--pbb-primary); font-size: 10px; }

/* CTA widget */
.pbb-cta-widget {
    background: linear-gradient(135deg, var(--pbb-primary) 0%, var(--pbb-primary-600) 100%);
    color: #fff;
    padding: 24px;
    border-radius: 14px;
    text-align: center;
}
.pbb-cta-widget__title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #fff;
}
.pbb-cta-widget__desc {
    font-size: 13px;
    color: #cbd5e1;
    margin: 0 0 16px;
    line-height: 1.55;
}
.pbb-cta-widget__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    color: var(--pbb-primary);
    padding: 9px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: background .2s;
}
.pbb-cta-widget__btn:hover { background: #e8f0fe; color: var(--pbb-primary); }