.art-hero {
    padding: 160px var(--gutter) 80px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .art-hero-inner {
    max-width: 800px;
    margin: 0 auto;
  }
  .art-meta {
    display: flex; gap: 16px; align-items: center;
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--muted); margin-bottom: 24px;
  }
  .art-meta .cat { color: var(--leaf); }
  .art-hero h1 {
    font-size: clamp(32px, 5vw, 64px);
    font-weight: 300;
    letter-spacing: -0.035em;
    line-height: 1.05;
    margin-bottom: 32px;
  }
  .art-lede {
    font-size: 18px;
    line-height: 1.6;
    color: var(--muted);
    max-width: 680px;
  }
  .art-cover {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    display: block;
  }
  .art-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 72px var(--gutter);
    font-size: 17px;
    line-height: 1.75;
    color: var(--ink);
  }
  .art-body h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 500;
    letter-spacing: -0.025em;
    margin: 56px 0 20px;
    line-height: 1.2;
  }
  .art-body h3 {
    font-size: 20px;
    font-weight: 500;
    margin: 40px 0 16px;
  }
  .art-body p { margin-bottom: 24px; }
  .art-body ul, .art-body ol {
    margin: 0 0 24px 24px;
    display: flex; flex-direction: column; gap: 8px;
  }
  .art-body li { line-height: 1.6; }
  .art-body strong { font-weight: 600; color: var(--ink); }
  .art-body h2:first-child { margin-top: 0; }

  .art-cta {
    background: var(--ink);
    color: var(--paper);
    padding: 72px var(--gutter);
    text-align: center;
  }
  .art-cta h2 {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 300;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
  }
  .art-cta p { opacity: 0.7; margin-bottom: 32px; }

  .art-nav {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--line);
  }
  .art-nav-item {
    flex: 1;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-decoration: none;
    color: var(--ink);
    transition: background 200ms;
    border-right: 1px solid var(--line);
  }
  .art-nav-item:last-child { border-right: none; }
  .art-nav-item:hover { background: var(--mist); }
  .art-nav-dir {
    font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--muted);
  }
  .art-nav-title {
    font-size: 15px; font-weight: 500;
    letter-spacing: -0.01em; line-height: 1.3;
  }
  .art-nav-next { text-align: right; }

  @media (max-width: 640px) {
    .art-nav { flex-direction: column; }
    .art-nav-item { border-right: none; border-bottom: 1px solid var(--line); }
    .art-nav-next { text-align: left; }
  }