* { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; background: var(--surface-page); }
  body { font-family: var(--font-body); }
  a { color: var(--text-accent); text-decoration: none; }
  a:hover { color: var(--accent-hover); }
  img { max-width: 100%; display: block; }
  @keyframes peFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
  /* Shared site header — full spec in 01-header-component.md */
  .site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-subtle); }
  .site-header .bar { max-width: 1160px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .site-header .logo { display: flex; align-items: center; gap: 10px; }
  .site-header .wordmark { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; color: var(--text-primary); }
  .site-header .nav-desktop { display: flex; align-items: center; gap: 28px; }
  .site-header .nav-desktop a { font-family: var(--font-body); font-weight: 500; font-size: 14.5px; color: var(--text-secondary); transition: color 0.2s ease; }
  .site-header .nav-desktop a:hover { color: var(--blue-600); }
  .site-header .nav-burger { display: none; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid var(--border-subtle); background: var(--white); border-radius: 10px; cursor: pointer; color: var(--text-primary); }
  @media (max-width: 720px) { .site-header .nav-desktop { display: none !important; } .site-header .nav-burger { display: inline-flex !important; } }

  /* Tab bar — IMPORTANT: NOT sticky (see 01-header-component.md §6). Normal in-flow element. */
  .tabbar-wrap { position: relative; z-index: 20; background: transparent; padding: 16px 32px 8px; display: flex; justify-content: center; }
  .tabbar { display: inline-flex; gap: 4px; background: var(--white); border: 1px solid var(--border-subtle); border-radius: var(--radius-full); padding: 5px; box-shadow: var(--shadow-sm); }
  .tab { border: none; cursor: pointer; border-radius: var(--radius-full); padding: 10px 20px; font-family: var(--font-display); font-weight: 600; font-size: 14.5px; white-space: nowrap; transition: all 0.25s var(--ease-out); background: transparent; color: var(--text-secondary); }
  .tab.active { background: var(--blue-500); color: #fff; box-shadow: var(--shadow-accent); }
  .panel { display: none; animation: peFade 0.45s var(--ease-out); padding: 8px 32px 96px; max-width: 1200px; margin: 0 auto; }
  .panel.active { display: block; }

  .vid-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  @media (max-width: 820px) { .vid-grid { grid-template-columns: 1fr 1fr; } .featured { grid-template-columns: 1fr !important; } }
  @media (max-width: 560px) { .vid-grid { grid-template-columns: 1fr; } }
  .play-lg { position: relative; width: 74px; height: 74px; border-radius: 50%; background: rgba(255,255,255,0.92); display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 28px rgba(0,0,0,0.25); }
  .play-md { position: relative; width: 52px; height: 52px; border-radius: 50%; background: rgba(255,255,255,0.92); display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,0.22); }
  .photos { columns: 3; column-gap: 16px; }
  @media (max-width: 820px) { .photos { columns: 2; } }
  @media (max-width: 520px) { .photos { columns: 1; } }