*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }

    :root {
      --ink: #0a0a0a;
      --ink2: #444;
      --ink3: #777;
      --ink4: #aaa;
      --surface: #fafaf8;
      --s2: #f2f0eb;
      --s3: #e8e5de;
      --accent: #e8562a;
      --ah: #c94420;
      --navy: #14203b;
      --border: rgba(0, 0, 0, 0.08);
      --b2: rgba(0, 0, 0, 0.14);
      --r: 4px;
      --rl: 10px;
      --max: 1140px;
      --serif: 'Instrument Serif', Georgia, serif;
      --sans: 'Geist', system-ui, sans-serif
    }

    html { scroll-behavior: smooth }
    body { font-family: var(--sans); background: var(--surface); color: var(--ink); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased }

    /* HERO */
    .hub-hero { background: var(--navy); color: #fff; padding: 4.5rem 2rem 3.5rem }
    .hh-i { max-width: var(--max); margin: 0 auto }
    .hh-back { display: inline-block; font-size: 0.78rem; color: rgba(255, 255, 255, 0.6); text-decoration: none; margin-bottom: 1.4rem; letter-spacing: 0.02em }
    .hh-back:hover { color: var(--accent) }
    .hh-label { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(232, 86, 42, 0.95); margin-bottom: 1rem }
    .hh-h1 { font-family: var(--serif); font-size: 2.6rem; font-weight: 400; line-height: 1.15; margin-bottom: 1.6rem; max-width: 820px }
    .hh-intro { max-width: 760px }
    .hh-intro p { font-size: 1.02rem; color: rgba(255, 255, 255, 0.82); line-height: 1.7; margin-bottom: 1rem }
    .hh-intro p:last-child { margin-bottom: 0 }

    /* GRID */
    .ins-grid-section { padding: 4rem 2rem }
    .ig-i { max-width: var(--max); margin: 0 auto }
    .ins-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem }
    .ins-card { background: #fff; border: 1px solid var(--border); border-radius: var(--rl); padding: 1.5rem; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: all 0.2s; min-height: 280px }
    .ins-card:hover { border-color: var(--b2); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05) }
    .ins-card:hover .ic-read { color: var(--accent) }
    .ic-top { flex: 1 }
    .ic-type-row { margin-bottom: 0.8rem }
    .ic-type { font-size: 0.68rem; padding: 0.25rem 0.55rem; border-radius: 2px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 500 }
    .type-article { background: #e8efff; color: #1f3a87 }
    .type-case { background: #fce8df; color: #a13715 }
    .type-guide { background: var(--accent); color: #fff }
    .type-video { background: #ffe8e8; color: #b51919 }
    .ic-cats { font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; margin-bottom: 0.7rem }
    .ic-title { font-family: var(--serif); font-size: 1.15rem; line-height: 1.3; color: var(--ink); margin-bottom: 0.7rem }
    .ic-excerpt { font-size: 0.84rem; color: var(--ink2); line-height: 1.55 }
    .ic-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 1rem; margin-top: 1rem; border-top: 1px solid var(--border) }
    .ic-meta { font-size: 0.75rem; color: var(--ink3) }
    .ic-read { font-size: 0.82rem; color: var(--ink2); transition: color 0.2s }

    /* PRIMARY (single card centered) */
    .ins-grid.primary { grid-template-columns: minmax(0, 720px); justify-content: center }

    /* DUO (two cards side-by-side, featured) */
    .ins-grid.duo { grid-template-columns: 1fr 1fr; max-width: 900px; margin: 0 auto }

    /* RELATED DIVIDER */
    .related { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--border) }
    .related-label { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink3); margin-bottom: 0.4rem }
    .related-h2 { font-family: var(--serif); font-size: 1.6rem; color: var(--ink); margin-bottom: 1.8rem }
    .related-h2 + .ins-grid { grid-template-columns: repeat(2, 1fr) }

    /* FOOTER */
    footer { background: var(--ink); color: rgba(255, 255, 255, 0.75); padding: 3.5rem 2rem 2rem; margin-top: 2rem }
    .foot-i { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 3rem }
    .foot-logo { font-family: var(--serif); font-size: 1.3rem; color: #fff; text-decoration: none }
    .foot-logo span { color: var(--accent) }
    .foot-tag { font-size: 0.85rem; color: rgba(255, 255, 255, 0.55); margin-top: 0.6rem; line-height: 1.55; max-width: 280px }
    .foot-social { display: flex; gap: 1rem; margin-top: 1.4rem }
    .foot-social-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: rgba(255, 255, 255, 0.65); text-decoration: none }
    .foot-social-link:hover { color: var(--accent) }
    .foot-col h5 { font-size: 0.8rem; color: #fff; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; font-weight: 500 }
    .foot-col ul { list-style: none }
    .foot-col li { margin-bottom: 0.55rem }
    .foot-col a { font-size: 0.85rem; color: rgba(255, 255, 255, 0.6); text-decoration: none }
    .foot-col a:hover { color: var(--accent) }
    .foot-btm { max-width: var(--max); margin: 2.5rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, 0.08); display: flex; justify-content: space-between; font-size: 0.78rem; color: rgba(255, 255, 255, 0.45); flex-wrap: wrap; gap: 1rem }
    .foot-btm a { color: rgba(255, 255, 255, 0.5); text-decoration: none }
    .foot-btm a:hover { color: var(--accent) }

    /* RESPONSIVE */
    @media (max-width: 900px) {
      .ins-grid, .related-h2 + .ins-grid { grid-template-columns: 1fr 1fr }
      .foot-i { grid-template-columns: 1fr 1fr; gap: 2rem }
    }
    @media (max-width: 600px) {
      .hh-h1 { font-size: 1.9rem }
      .ins-grid, .related-h2 + .ins-grid { grid-template-columns: 1fr }
      .foot-i { grid-template-columns: 1fr }
    }