.blog-hero {
    position: relative;
    padding: 160px 24px 60px;
    overflow: hidden;
    isolation: isolate;
    text-align: center;
  }
  .blog-hero::before { content: ''; position: absolute; z-index: -2; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, var(--yellow) 0%, transparent 65%); top: -160px; right: -80px; filter: blur(80px); opacity: 0.4; animation: blobFloat 22s ease-in-out infinite; }
  .blog-hero::after { content: ''; position: absolute; z-index: -2; width: 440px; height: 440px; border-radius: 50%; background: radial-gradient(circle, var(--pink) 0%, transparent 65%); bottom: -140px; left: -80px; filter: blur(80px); opacity: 0.3; animation: blobFloat 26s ease-in-out infinite reverse; }
  .blog-hero-inner { max-width: 900px; margin: 0 auto; }
  .blog-eyebrow { display: inline-flex; padding: 8px 18px; background: #FFFFFF; border: 1px solid var(--line); border-radius: var(--radius-pill); font-size: 12px; font-weight: 700; color: var(--brand); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 24px; box-shadow: 0 2px 8px rgba(0,40,249,0.06); }
  .blog-title { font-size: clamp(44px, 6vw, 68px); line-height: 1.02; font-weight: 800; letter-spacing: -0.035em; margin-bottom: 20px; }
  .blog-title .brand-accent { color: var(--brand); }
  .blog-title .italic-accent { font-weight: 500; font-style: italic; color: var(--ink-1); }
  .blog-lead { font-size: 17px; line-height: 1.6; color: var(--ink-1); max-width: 620px; margin: 0 auto; }

  /* filter chips */
  .blog-filters { max-width: 1280px; margin: 40px auto 0; padding: 0 24px; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
  .filter-chip {
    padding: 10px 18px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    font-size: 13.5px; font-weight: 600;
    color: var(--ink-1);
    cursor: pointer;
    transition: all .2s var(--ease);
  }
  .filter-chip:hover { color: var(--brand); border-color: var(--brand); }
  .filter-chip.active { background: var(--brand); color: #FFFFFF; border-color: var(--brand); }

  /* featured post */
  .featured { max-width: 1280px; margin: 60px auto 0; padding: 0 24px; }
  .featured-card {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(10,10,20,0.08);
    transition: transform .35s var(--ease), box-shadow .35s var(--ease);
    cursor: pointer;
  }
  .featured-card:hover { transform: translateY(-6px); box-shadow: 0 32px 60px rgba(10,10,20,0.12); }
  .featured-img {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--brand) 0%, #4360FF 50%, var(--pink) 100%);
    position: relative;
    overflow: hidden;
  }
  .featured-img::after {
    content: 'Featured';
    position: absolute; top: 16px; left: 16px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.95);
    color: var(--ink-0);
    border-radius: 999px;
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
  }
  .featured-content { padding: 40px 44px 40px 0; display: flex; flex-direction: column; justify-content: center; }
  .post-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--brand-soft);
    color: var(--brand);
    border-radius: 999px;
    font-size: 11.5px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    margin-bottom: 16px;
    width: fit-content;
  }
  .featured-title { font-size: clamp(26px, 2.6vw, 34px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.15; margin-bottom: 14px; }
  .featured-excerpt { font-size: 15.5px; line-height: 1.6; color: var(--ink-1); margin-bottom: 24px; }
  .post-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--ink-2); }
  .post-author-dot { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--pink)); display: grid; place-items: center; color: #FFFFFF; font-weight: 700; font-size: 12px; }
  .post-meta-sep { color: var(--ink-3); }

  /* posts grid */
  .posts-section { position: relative; padding: 80px 24px 100px; background: var(--bg-0); overflow: hidden; }
  .posts-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .post-card {
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
    display: flex; flex-direction: column;
  }
  .post-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(10,10,20,0.1); }
  .post-img {
    aspect-ratio: 16/10;
    background-color: #ECECEF;
    position: relative;
  }
  .post-img.g1 { background: linear-gradient(135deg, var(--brand), #4360FF); }
  .post-img.g2 { background: linear-gradient(135deg, var(--pink), var(--coral)); }
  .post-img.g3 { background: linear-gradient(135deg, #26D9A0, #14B8A6); }
  .post-img.g4 { background: linear-gradient(135deg, var(--yellow), var(--orange)); }
  .post-img.g5 { background: linear-gradient(135deg, var(--lavender), var(--brand)); }
  .post-img.g6 { background: linear-gradient(135deg, var(--sky), var(--brand)); }
  .post-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
  .post-title { font-size: 19px; font-weight: 800; letter-spacing: -0.015em; line-height: 1.25; margin-bottom: 10px; }
  .post-excerpt { font-size: 14px; line-height: 1.55; color: var(--ink-1); margin-bottom: 20px; flex: 1; }
  .post-footer { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--ink-2); padding-top: 16px; border-top: 1px solid var(--line); }

  /* newsletter */
  .newsletter { position: relative; padding: 80px 24px; background: var(--bg-dark); color: #FFFFFF; overflow: hidden; text-align: center; }
  .newsletter::before { content: ''; position: absolute; top: 20%; right: -100px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(0,40,249,0.4) 0%, transparent 70%); filter: blur(90px); }
  .newsletter::after { content: ''; position: absolute; bottom: 10%; left: -100px; width: 350px; height: 350px; border-radius: 50%; background: radial-gradient(circle, rgba(255,107,157,0.25) 0%, transparent 70%); filter: blur(90px); }
  .newsletter-inner { position: relative; z-index: 1; max-width: 580px; margin: 0 auto; }
  .newsletter h2 { font-size: clamp(28px, 3.5vw, 38px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px; }
  .newsletter p { font-size: 15.5px; line-height: 1.55; color: rgba(255,255,255,0.75); margin-bottom: 28px; }
  .news-form { display: flex; gap: 10px; max-width: 460px; margin: 0 auto; }
  .news-input {
    flex: 1;
    padding: 14px 18px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 999px;
    color: #FFFFFF;
    font-size: 14.5px;
    font-family: inherit;
    outline: none;
    transition: all .2s var(--ease);
  }
  .news-input:focus { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.3); }
  .news-input::placeholder { color: rgba(255,255,255,0.4); }
  .news-btn {
    padding: 14px 24px;
    background: var(--brand);
    color: #FFFFFF;
    border-radius: 999px;
    font-size: 14px; font-weight: 700;
    border: none; cursor: pointer;
    transition: all .2s var(--ease);
  }
  .news-btn:hover { background: var(--brand-hover); transform: translateY(-1px); box-shadow: 0 12px 28px rgba(0,40,249,0.32); }

  @media (max-width: 960px) {
    .blog-hero { padding: 110px 16px 40px; }
    .blog-title { font-size: 38px; }
    .featured { padding: 0 16px; }
    .featured-card { grid-template-columns: 1fr; gap: 0; }
    .featured-content { padding: 28px; }
    .posts-section { padding: 60px 16px 80px; }
    .posts-grid { grid-template-columns: 1fr; }
    .newsletter { padding: 60px 16px; }
    .news-form { flex-direction: column; }
  }
