/* ============================================================
   blog.css — NSC Global Blog System
   Material Design · No inline styles · Fully responsive
   ============================================================ */

/* ── 1. Tokens & typography ──────────────────────────────── */
:root {
    --blog-primary:       #6200ee;
    --blog-primary-dark:  #3700b3;
    --blog-accent:        #03dac6;
    --blog-surface:       #ffffff;
    --blog-bg:            #f5f5f5;
    --blog-on-surface:    #1e1e1e;
    --blog-muted:         #757575;
    --blog-border:        #e0e0e0;
    --blog-radius:        12px;
    --blog-radius-sm:     8px;
    --blog-shadow:        0 2px 12px rgba(0,0,0,.08);
    --blog-shadow-hover:  0 12px 32px rgba(0,0,0,.14);
    --blog-serif:         'Georgia', 'Times New Roman', serif;
    --blog-sans:          'Roboto', 'Helvetica Neue', sans-serif;
    --blog-transition:    0.22s cubic-bezier(.4,0,.2,1);
}

/* ── 2. Shared container ─────────────────────────────────── */
.blog-container {
    padding-top: 2.5rem;
    padding-bottom: 4rem;
}

/* ── 3. Hero banner (listing page) ──────────────────────── */
.blog-hero {
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-primary-dark) 60%, #1a0040 100%);
    padding: 5rem 1.5rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.blog-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.blog-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
}
.blog-hero-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: .8rem;
    font-family: var(--blog-sans);
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    backdrop-filter: blur(4px);
}
.blog-hero-title {
    color: #fff;
    font-family: var(--blog-sans);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -.02em;
    margin: 0 0 1rem;
    line-height: 1.15;
}
.blog-hero-sub {
    color: rgba(255,255,255,.82);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-family: var(--blog-sans);
}

/* ── 4. Search bar ───────────────────────────────────────── */
.blog-search-wrap {
    max-width: 480px;
    margin: 0 auto;
}
.blog-search-inner {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.95);
    border-radius: 100px;
    box-shadow: 0 4px 24px rgba(0,0,0,.18);
    overflow: hidden;
    transition: box-shadow var(--blog-transition);
}
.blog-search-inner:focus-within {
    box-shadow: 0 4px 32px rgba(98,0,238,.35);
}
.blog-search-icon {
    color: var(--blog-muted);
    padding: 0 0 0 1.2rem;
    font-size: 1.3rem;
    pointer-events: none;
    flex-shrink: 0;
}
.blog-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: .85rem 1rem;
    font-size: 1rem;
    font-family: var(--blog-sans);
    color: var(--blog-on-surface);
    outline: none;
    box-shadow: none;
    height: auto;
    margin: 0;
}
.blog-search-input::placeholder { color: #bdbdbd; }
.blog-search-clear {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 1rem;
    color: var(--blog-muted);
    display: flex;
    align-items: center;
}
.blog-search-notice {
    padding: .75rem 0 1.5rem;
    color: var(--blog-muted);
    font-size: .9rem;
    font-family: var(--blog-sans);
}
.blog-clear-btn {
    margin-left: .5rem;
    color: var(--blog-primary) !important;
}

/* ── 5. Post card grid ───────────────────────────────────── */
.blog-grid { margin-top: .5rem; }
.blog-card-col { margin-bottom: .5rem; }
.blog-card {
    border-radius: var(--blog-radius) !important;
    box-shadow: var(--blog-shadow) !important;
    border: 1px solid var(--blog-border);
    background: var(--blog-surface);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    transition: transform var(--blog-transition), box-shadow var(--blog-transition) !important;
}
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--blog-shadow-hover) !important;
}
.blog-card-image-link { display: block; text-decoration: none; }
.blog-card-image-wrap {
    position: relative;
    overflow: hidden;
    height: 200px;
}
.blog-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
    display: block;
}
.blog-card:hover .blog-card-img { transform: scale(1.04); }
.blog-card-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.28) 100%);
    pointer-events: none;
}
.blog-card-no-image {
    height: 160px;
    background: linear-gradient(135deg, #ede7f6 0%, #e8eaf6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.blog-card-no-image .material-icons {
    font-size: 3.5rem;
    color: var(--blog-primary);
    opacity: .4;
}
.blog-card-content {
    flex: 1;
    padding: 1.25rem 1.25rem .75rem !important;
}
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: .6rem;
}
.blog-card-date,
.blog-card-read {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .78rem;
    color: var(--blog-muted);
    font-family: var(--blog-sans);
}
.blog-card-title {
    font-family: var(--blog-sans);
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--blog-on-surface);
    line-height: 1.35;
    margin: 0 0 .6rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-excerpt {
    font-family: var(--blog-sans);
    font-size: .9rem;
    color: var(--blog-muted);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1.25rem 1.25rem !important;
    border-top: 1px solid var(--blog-border);
    margin-top: auto;
}
.blog-read-btn {
    background: var(--blog-primary) !important;
    border-radius: 100px !important;
    font-size: .82rem !important;
    height: 36px !important;
    line-height: 36px !important;
    padding: 0 1.2rem !important;
    letter-spacing: .03em;
}
.blog-read-btn .material-icons { font-size: 1rem; line-height: 36px; }
.blog-author {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .78rem;
    color: var(--blog-muted);
    font-family: var(--blog-sans);
}

/* ── 6. Infinite scroll indicators ──────────────────────── */
.blog-sentinel { height: 80px; display: block; }
.blog-loader { padding: 1.5rem 0 2.5rem; }
.blog-spinner {
    width: 44px;
    height: 44px;
    margin: 0 auto .75rem;
    position: relative;
}
.blog-spinner-ring {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid var(--blog-border);
    border-top-color: var(--blog-primary);
    animation: blog-spin .75s linear infinite;
}
@keyframes blog-spin { to { transform: rotate(360deg); } }
.blog-loader-text {
    color: var(--blog-muted);
    font-size: .88rem;
    font-family: var(--blog-sans);
    margin: 0;
}
.blog-end {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 2rem 0 3rem;
    font-family: var(--blog-sans);
}
.blog-end-line { flex: 1; height: 1px; background: var(--blog-border); }
.blog-end-text { font-size: .85rem; color: var(--blog-muted); white-space: nowrap; }
.blog-empty { padding: 4rem 1rem; }
.blog-empty-icon { font-size: 4rem; color: #bdbdbd; display: block; margin-bottom: 1rem; }

/* ── 7. Breadcrumb bar ───────────────────────────────────── */
.blog-breadcrumb-bar {
    background: #fafafa;
    border-bottom: 1px solid var(--blog-border);
    padding: .6rem 0;
}
.blog-breadcrumb-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
}
.blog-back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .85rem;
    font-family: var(--blog-sans);
    color: var(--blog-primary);
    text-decoration: none;
    transition: gap var(--blog-transition);
}
.blog-back-link:hover { gap: 6px; }

/* ── 8. Show page hero image ─────────────────────────────── */
.blog-show-hero {
    position: relative;
    width: 100%;
    height: 420px;
    overflow: hidden;
    background: #1a0040;  /* fallback while image loads */
}
.blog-show-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 6s ease;
}
.blog-show-hero:hover .blog-show-hero-img { transform: scale(1.03); }
.blog-show-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0,0,0,.15) 0%,
        rgba(0,0,0,.05) 40%,
        rgba(0,0,0,.55) 100%
    );
}
.blog-show-hero-badge {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(0,0,0,.55);
    color: #fff;
    border-radius: 100px;
    padding: .35rem .9rem;
    font-size: .8rem;
    font-family: var(--blog-sans);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,.15);
}

/* ── 9. Post header ──────────────────────────────────────── */
.blog-post-header {
    padding: 2.25rem 0 1.25rem;
}
.blog-post-title {
    font-family: var(--blog-sans);
    font-size: clamp(1.7rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--blog-on-surface);
    line-height: 1.18;
    letter-spacing: -.025em;
    margin: 0 0 .9rem;
}
.blog-post-lead {
    font-family: var(--blog-sans);
    font-size: 1.15rem;
    color: #555;
    line-height: 1.65;
    margin: 0 0 1.25rem;
    font-weight: 400;
}
.blog-post-byline {
    display: flex;
    align-items: center;
    gap: .85rem;
    flex-wrap: wrap;
}
.blog-byline-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--blog-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.blog-byline-avatar .material-icons { font-size: 1.4rem; }
.blog-byline-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}
.blog-byline-author {
    font-family: var(--blog-sans);
    font-size: .92rem;
    font-weight: 600;
    color: var(--blog-on-surface);
}
.blog-byline-meta {
    font-family: var(--blog-sans);
    font-size: .82rem;
    color: var(--blog-muted);
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
}
.blog-byline-dot { opacity: .4; }
.blog-header-share {
    display: flex;
    align-items: center;
    gap: .4rem;
    margin-left: auto;
}
.blog-share-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform var(--blog-transition), filter var(--blog-transition);
}
.blog-share-icon-btn svg { width: 15px; height: 15px; }
.blog-share-icon-btn:hover { transform: translateY(-2px); filter: brightness(1.12); }
.blog-share-icon-btn.blog-share-twitter  { background: #000; color: #fff; }
.blog-share-icon-btn.blog-share-linkedin { background: #0a66c2; color: #fff; }
.blog-share-icon-btn.blog-share-whatsapp { background: #25d366; color: #fff; }

/* ── 10. Post divider ────────────────────────────────────── */
.blog-post-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--blog-border) 20%, var(--blog-border) 80%, transparent);
    margin: 0 0 2.25rem;
}

/* ── 11. Blog body content ───────────────────────────────── */
.blog-content {
    font-family: var(--blog-serif);
    font-size: 1.18rem;
    line-height: 1.85;
    color: #2c3e50;
    word-break: break-word;
}
.blog-content h1,
.blog-content h2,
.blog-content h3,
.blog-content h4 {
    font-family: var(--blog-sans);
    font-weight: 600;
    color: var(--blog-on-surface);
    margin-top: 2.25rem;
    margin-bottom: .75rem;
    line-height: 1.25;
}
.blog-content h1 { font-size: 2rem; }
.blog-content h2 { font-size: 1.55rem; }
.blog-content h3 { font-size: 1.25rem; }
.blog-content h4 { font-size: 1.05rem; }
.blog-content p  { margin-bottom: 1.5rem; }
.blog-content a {
    color: var(--blog-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.blog-content a:hover { color: var(--blog-primary-dark); }
.blog-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--blog-radius);
    margin: 1.5rem auto;
    display: block;
}
.blog-content blockquote {
    border-left: 4px solid var(--blog-primary);
    background: #f3ebff;
    padding: 1rem 1.5rem;
    margin: 1.75rem 0;
    border-radius: 0 var(--blog-radius-sm) var(--blog-radius-sm) 0;
    font-style: italic;
    color: #444;
}
.blog-content blockquote p { margin-bottom: 0; }
.blog-content ul,
.blog-content ol {
    padding-left: 1.75rem;
    margin-bottom: 1.5rem;
}
.blog-content li   { margin-bottom: .5rem; }
.blog-content pre  {
    background: #1e1e2e;
    color: #cdd6f4;
    border-radius: var(--blog-radius-sm);
    padding: 1.2rem 1.5rem;
    overflow-x: auto;
    font-size: .9rem;
    line-height: 1.6;
    margin: 1.5rem 0;
}
.blog-content code {
    background: #ede7f6;
    color: var(--blog-primary-dark);
    padding: .15em .4em;
    border-radius: 4px;
    font-size: .9em;
}
.blog-content pre code { background: none; color: inherit; padding: 0; border-radius: 0; }
.blog-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: .95rem;
    font-family: var(--blog-sans);
}
.blog-content th,
.blog-content td { padding: .75rem 1rem; border: 1px solid var(--blog-border); text-align: left; }
.blog-content th { background: #ede7f6; font-weight: 600; color: var(--blog-on-surface); }
.blog-content tr:nth-child(even) { background: #fafafa; }
.blog-content hr { border: none; border-top: 1px solid var(--blog-border); margin: 2.5rem 0; }

/* ── 12. Bottom share bar ────────────────────────────────── */
.blog-share-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
    border-top: 1px solid var(--blog-border);
    border-bottom: 1px solid var(--blog-border);
    margin: 2.5rem 0;
}
.blog-share-bar-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--blog-sans);
    font-size: .82rem;
    font-weight: 600;
    color: var(--blog-muted);
    text-transform: uppercase;
    letter-spacing: .07em;
    white-space: nowrap;
}
.blog-share-bar-buttons {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
}
.blog-share-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border-radius: 100px;
    padding: .5rem 1.1rem;
    font-family: var(--blog-sans);
    font-size: .85rem;
    font-weight: 500;
    text-decoration: none;
    transition: filter var(--blog-transition), transform var(--blog-transition);
    border: none;
}
.blog-share-pill svg { width: 15px; height: 15px; flex-shrink: 0; }
.blog-share-pill:hover { filter: brightness(1.1); transform: translateY(-1px); }
.blog-share-pill.blog-share-twitter  { background: #000; color: #fff; }
.blog-share-pill.blog-share-linkedin { background: #0a66c2; color: #fff; }
.blog-share-pill.blog-share-whatsapp { background: #25d366; color: #fff; }

/* ── 13. Author bio ──────────────────────────────────────── */
.blog-author-bio {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    background: linear-gradient(135deg, #f3ebff 0%, #e8eaf6 100%);
    border-radius: var(--blog-radius);
    padding: 1.5rem;
    margin: 2rem 0 3rem;
    border: 1px solid #ede7f6;
}
.blog-author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--blog-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.blog-author-avatar .material-icons { font-size: 1.8rem; }
.blog-author-name {
    font-family: var(--blog-sans);
    font-weight: 700;
    font-size: 1rem;
    color: var(--blog-on-surface);
    margin: 0 0 .3rem;
}
.blog-author-desc {
    font-family: var(--blog-sans);
    font-size: .88rem;
    color: var(--blog-muted);
    line-height: 1.6;
    margin: 0;
}

/* ── 14. Related posts section ───────────────────────────── */
.blog-related {
    background: var(--blog-bg);
    padding: 3rem 0 4rem;
    border-top: 1px solid var(--blog-border);
}
.blog-related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: .5rem;
}
.blog-related-title {
    font-family: var(--blog-sans);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--blog-on-surface);
    margin: 0;
    letter-spacing: -.02em;
}
.blog-related-all {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--blog-sans);
    font-size: .88rem;
    font-weight: 500;
    color: var(--blog-primary);
    text-decoration: none;
}
.blog-related-all:hover { text-decoration: underline; }
.blog-all-btn {
    background: var(--blog-primary) !important;
    border-radius: 100px !important;
}

/* ── 15. [x-cloak] support ───────────────────────────────── */
[x-cloak] { display: none !important; }

/* ── 16. Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
    .blog-hero            { padding: 3.5rem 1rem 3rem; }
    .blog-card-image-wrap { height: 180px; }
    .blog-show-hero       { height: 260px; }
    .blog-show-hero-badge { bottom: .75rem; right: .75rem; }
    .blog-author-bio      { flex-direction: column; }
    .blog-share-pill span { display: none; }
    .blog-share-pill      { padding: .5rem .8rem; }
    .blog-share-bar       { flex-direction: column; align-items: flex-start; }
    .blog-post-byline     { gap: .5rem; }
    .blog-header-share    { margin-left: 0; }
    .blog-breadcrumb-inner { flex-direction: column; align-items: flex-start; gap: .3rem; }
    .blog-related-header  { flex-direction: column; align-items: flex-start; }
    .blog-post-title      { font-size: 1.6rem; }
}
@media (min-width: 601px) and (max-width: 992px) {
    .blog-card-image-wrap { height: 190px; }
    .blog-show-hero       { height: 340px; }
}