/* ── Post hero / header ── */
    .post-hero {
      background: #fff;
      border-bottom: 1px solid #e8e8e8;
    }
    .post-hero-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 36px 20px 0;
    }
    .post-meta-top {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    .post-cat-badge {
      background: #fff5f5;
      border: 1px solid #fecaca;
      color: #e63946;
      font-size: 11.5px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .5px;
      padding: 4px 12px;
      border-radius: 20px;
    }
    .post-meta-sep { color: #ddd; font-size: 14px; }
    .post-read-time {
      font-size: 12.5px;
      color: #888;
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .post-title-main {
      font-size: clamp(24px, 4vw, 38px);
      font-weight: 800;
      color: #1a1a1a;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 14px;
      font-family: 'Inter', sans-serif;
    }
    .post-subtitle {
      font-size: 16px;
      color: #555;
      line-height: 1.7;
      max-width: 720px;
      margin-bottom: 24px;
      font-style: italic;
      font-family: 'Lora', serif;
    }

    /* Share bar */
    .post-share-bar {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 0;
      border-top: 1px solid #f0f0f0;
      flex-wrap: wrap;
    }
    .share-label { font-size: 12.5px; color: #888; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
    .share-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 7px 14px;
      border-radius: 6px;
      font-size: 12.5px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      font-family: inherit;
      transition: opacity .15s;
    }
    .share-btn:hover { opacity: .85; }
    .share-btn.wa { background: #25D366; color: #fff; }
    .share-btn.copy { background: #f0f0f0; color: #444; }

    /* Hero image */
    .post-hero-img {
      width: 100%;
      max-height: 440px;
      object-fit: cover;
      border-radius: 12px 12px 0 0;
      margin-top: 24px;
      display: block;
    }

    /* ── Main layout ── */
    .post-layout {
      max-width: 1200px;
      margin: 0 auto;
      padding: 36px 20px 0;
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 36px;
      align-items: start;
    }

    /* ── Article body ── */
    .article-body {
      background: #fff;
      border-radius: 12px;
      border: 1px solid #e8e8e8;
      padding: 36px 40px;
    }

    .article-body p {
      font-size: 16px;
      line-height: 1.85;
      color: #333;
      margin-bottom: 20px;
      font-family: 'Lora', serif;
    }
    .article-body p strong {
      color: #1a1a1a;
      font-family: 'Inter', sans-serif;
      font-weight: 700;
    }

    .article-body h2 {
      font-size: 22px;
      font-weight: 800;
      color: #1a1a1a;
      margin: 36px 0 16px;
      letter-spacing: -.5px;
      line-height: 1.25;
      padding-top: 8px;
      border-top: 2px solid #f0f0f0;
    }
    .article-body h2:first-child { border-top: none; margin-top: 0; }

    .article-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: #1a1a1a;
      margin: 28px 0 12px;
    }

    /* Pull quote / highlight box */
    .article-highlight {
      background: linear-gradient(135deg, #fff5f5, #fff);
      border-left: 4px solid #e63946;
      border-radius: 0 8px 8px 0;
      padding: 18px 22px;
      margin: 28px 0;
      font-size: 15.5px;
      color: #333;
      line-height: 1.75;
      font-family: 'Lora', serif;
      font-style: italic;
    }

    /* Benefits list */
    .benefits-box {
      background: #f9fdf9;
      border: 1px solid #d1fae5;
      border-radius: 10px;
      padding: 22px 24px;
      margin: 24px 0;
    }
    .benefits-box h3 {
      font-size: 15px;
      font-weight: 700;
      color: #065f46;
      margin: 0 0 14px;
      border: none;
    }
    .benefits-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .benefits-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14.5px;
      color: #1a1a1a;
      line-height: 1.55;
      font-family: 'Inter', sans-serif;
    }
    .benefits-list li::before {
      content: '✓';
      color: #059669;
      font-weight: 800;
      font-size: 14px;
      flex-shrink: 0;
      margin-top: 1px;
    }

    /* Info card inside article */
    .info-card {
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      border-radius: 10px;
      padding: 20px 22px;
      margin: 24px 0;
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }
    .info-card .ic-icon { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
    .info-card p {
      font-size: 14px;
      color: #1e40af;
      line-height: 1.65;
      margin: 0;
      font-family: 'Inter', sans-serif;
      font-style: normal;
    }
    .info-card p strong { color: #1e3a8a; font-family: 'Inter', sans-serif; }

    /* Post footer CTA */
    .post-cta-box {
      background: linear-gradient(135deg, #1a1a2e, #2d2d50);
      border-radius: 12px;
      padding: 28px;
      margin-top: 36px;
      color: #fff;
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .post-cta-box .cta-icon { font-size: 42px; flex-shrink: 0; }
    .post-cta-box .cta-body h3 { font-size: 17px; font-weight: 800; margin-bottom: 6px; color: #fff; }
    .post-cta-box .cta-body p { font-size: 13.5px; opacity: .82; line-height: 1.6; margin-bottom: 14px; font-family: 'Inter', sans-serif; font-style: normal; color: #fff; }
    .post-cta-box .cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }
    .cta-btn-wa {
      background: #25D366;
      color: #fff;
      padding: 10px 18px;
      border-radius: 7px;
      font-size: 13.5px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 7px;
      transition: background .2s;
    }
    .cta-btn-wa:hover { background: #1ebe5d; }
    .cta-btn-catalog {
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.25);
      color: #fff;
      padding: 10px 18px;
      border-radius: 7px;
      font-size: 13.5px;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 7px;
      transition: background .2s;
    }
    .cta-btn-catalog:hover { background: rgba(255,255,255,.22); }

    /* ── Sidebar ── */
    .sidebar-card {
      background: #fff;
      border-radius: 12px;
      border: 1px solid #e8e8e8;
      overflow: hidden;
      margin-bottom: 20px;
    }
    .sidebar-card-header {
      background: #1a1a2e;
      color: #fff;
      padding: 14px 18px;
      font-size: 13.5px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .sidebar-card-body { padding: 16px; }

    /* Sidebar CTA */
    .sidebar-cta {
      background: linear-gradient(135deg, #e63946, #c1121f);
      border-radius: 12px;
      padding: 22px 18px;
      text-align: center;
      color: #fff;
      margin-bottom: 20px;
    }
    .sidebar-cta h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
    .sidebar-cta p { font-size: 12.5px; opacity: .88; margin-bottom: 14px; line-height: 1.6; }
    .sidebar-cta .btn-wa {
      background: #25D366;
      color: #fff;
      padding: 10px 16px;
      border-radius: 8px;
      font-size: 13.5px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-bottom: 8px;
      transition: background .2s;
    }
    .sidebar-cta .btn-wa:hover { background: #1ebe5d; }
    .sidebar-cta .btn-catalog {
      background: rgba(255,255,255,.15);
      color: #fff;
      padding: 9px 16px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid rgba(255,255,255,.25);
      transition: background .2s;
    }
    .sidebar-cta .btn-catalog:hover { background: rgba(255,255,255,.25); }

    /* Table of contents */
    .toc-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
    .toc-list li a {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 6px;
      font-size: 13px;
      color: #444;
      font-weight: 500;
      transition: background .15s, color .15s;
    }
    .toc-list li a:hover { background: #fff5f5; color: #e63946; }
    .toc-list li a::before {
      content: '';
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: #e63946;
      flex-shrink: 0;
    }

    /* Related posts */
    .related-list { display: flex; flex-direction: column; gap: 0; }
    .related-item {
      display: flex;
      gap: 10px;
      padding: 10px 0;
      border-bottom: 1px solid #f5f5f5;
      align-items: flex-start;
      transition: background .15s;
      border-radius: 6px;
    }
    .related-item:last-child { border-bottom: none; }
    .related-item:hover { background: #fafafa; }
    .related-thumb {
      width: 56px;
      height: 44px;
      border-radius: 6px;
      overflow: hidden;
      flex-shrink: 0;
      background: #f0f0f0;
    }
    .related-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .related-title {
      font-size: 12.5px;
      font-weight: 600;
      color: #1a1a1a;
      line-height: 1.45;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      padding-top: 2px;
    }
    .related-item:hover .related-title { color: #e63946; }

    /* Newsletter */
    .newsletter-desc { font-size: 12.5px; color: #777; line-height: 1.6; margin-bottom: 12px; }
    .newsletter-form { display: flex; flex-direction: column; gap: 8px; }
    .newsletter-form input[type="email"] {
      width: 100%;
      padding: 9px 12px;
      border: 1px solid #ddd;
      border-radius: 7px;
      font-size: 13px;
      font-family: inherit;
      outline: none;
      transition: border-color .15s;
    }
    .newsletter-form input[type="email"]:focus { border-color: #e63946; }
    .newsletter-form button {
      background: #e63946;
      color: #fff;
      padding: 9px;
      border: none;
      border-radius: 7px;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      font-family: inherit;
      transition: background .15s;
    }
    .newsletter-form button:hover { background: #c1121f; }

    /* Sticky TOC on scroll */
    .sidebar-sticky { position: sticky; top: 90px; }

    /* Copy toast */
    .copy-toast {
      position: fixed;
      bottom: 90px;
      right: 24px;
      background: #1a1a2e;
      color: #fff;
      padding: 10px 18px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      z-index: 300;
      opacity: 0;
      transform: translateY(8px);
      transition: opacity .3s, transform .3s;
      pointer-events: none;
    }
    .copy-toast.show { opacity: 1; transform: translateY(0); }

    /* Responsive */
    @media (max-width: 960px) {
      .post-layout { grid-template-columns: 1fr; }
      .article-body { padding: 24px 20px; }
      .post-cta-box { flex-direction: column; }
    }
    @media (max-width: 480px) {
      .post-title-main { font-size: 24px; }
      .article-body h2 { font-size: 19px; }
    }