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

    :root {
      --bg: #faf8f5;
      --fg: #2a2d35;
      --card: #ffffff;
      --primary: #1e5a8a;
      --accent: #e05a2b;
      --accent-dark: #c4381f;
      --secondary-bg: #f5f0e8;
      --muted: #6b7280;
      --border: #e5e0d8;
      --font-heading: 'Merriweather', Georgia, serif;
      --font-body: 'Source Sans 3', -apple-system, sans-serif;
    }

    body {
      background: var(--bg);
      color: var(--fg);
      font-family: var(--font-body);
      font-size: 18px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    /* Header */
    .header {
      background: var(--card);
      border-bottom: 1px solid var(--border);
      padding: 16px 20px;
    }
    .header-inner {
      max-width: 720px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      font-family: var(--font-heading);
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .date {
      font-size: 0.85rem;
      color: var(--muted);
    }

    /* Main */
    main {
      max-width: 720px;
      margin: 0 auto;
      padding: 16px 20px 40px;
    }

    .category {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent);
      margin-bottom: 8px;
    }

    h1 {
      font-family: var(--font-heading);
      font-size: clamp(1.5rem, 4vw, 2.25rem);
      font-weight: 700;
      line-height: 1.3;
      color: var(--fg);
      margin-bottom: 24px;
    }

    .hero-img {
      width: 100%;
      max-height: 288px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 32px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    }

    /* Article body */
    .article p {
      margin-bottom: 20px;
    }

    .article strong {
      font-weight: 700;
    }

    .highlight {
      background: var(--secondary-bg);
      border-left: 4px solid var(--accent);
      border-radius: 8px;
      padding: 20px;
    }

    blockquote {
      border-left: 4px solid var(--primary);
      background: var(--secondary-bg);
      border-radius: 0 8px 8px 0;
      padding: 20px;
      margin: 24px 0;
      font-style: italic;
    }

    /* CTA Button */
    .cta-wrap {
      text-align: center;
      margin: 40px 0;
    }

    .cta-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      color: #fff;
      font-family: var(--font-body);
      font-size: 1.1rem;
      font-weight: 600;
      padding: 16px 32px;
      border-radius: 6px;
      text-decoration: none;
      box-shadow: 0 4px 14px -2px rgba(224, 90, 43, 0.4);
      transition: all 0.2s ease;
      animation: pulse-cta 2s ease-in-out infinite;
    }
    .cta-button:hover {
      box-shadow: 0 6px 20px -2px rgba(224, 90, 43, 0.55);
      transform: translateY(-1px);
    }
    .cta-button svg {
      width: 20px;
      height: 20px;
      fill: currentColor;
    }

    @keyframes pulse-cta {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.02); }
    }
    
        /* Video thumbnail */
    .video-container {
      display: block;
      position: relative;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
      margin: 32px 0;
      cursor: pointer;
      text-decoration: none;
    }

    .video-container img.thumbnail {
      width: 100%;
      aspect-ratio: 16/9;
      object-fit: cover;
    }

    .video-overlay {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0,0,0,0.05);
      transition: background 0.2s;
    }

    .video-container:hover .video-overlay { background: rgba(0,0,0,0.1); }

    .play-button {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: rgba(255,255,255,0.9);
      backdrop-filter: blur(12px);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
      transition: transform 0.2s;
    }

    @media (min-width: 768px) {
      .play-button { width: 80px; height: 80px; }
    }

    .video-container:hover .play-button { transform: scale(1.05); }

    .play-button svg {
      width: 28px;
      height: 28px;
      margin-left: 4px;
      fill: var(--foreground);
    }

    @media (min-width: 768px) {
      .play-button svg { width: 32px; height: 32px; }
    }

    .video-bar {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(4px);
      padding: 8px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: white;
      font-size: 0.75rem;
    }

    .video-bar-left {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .video-bar-left .font-medium { font-weight: 500; }

    .hd-badge {
      background: rgba(255,255,255,0.2);
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 10px;
      font-weight: 700;
    }

    .video-bar .duration { font-variant-numeric: tabular-nums; }

    .video-progress {
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 3px;
      background: var(--destructive);
      opacity: 0.8;
    }

    /* Author */
    .author-section {
      border-top: 1px solid var(--border);
      padding-top: 32px;
      margin-top: 48px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
    }
    .author-img {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      object-fit: cover;
      flex-shrink: 0;
    }
    .author-section h3 {
      font-family: var(--font-heading);
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .author-section p {
      font-size: 1rem;
      color: var(--muted);
      line-height: 1.6;
    }
    .author-link {
      display: inline-block;
      margin-top: 8px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent);
      text-decoration: none;
    }
    .author-link:hover { text-decoration: underline; }

    /* Footer */
    footer {
      border-top: 1px solid var(--border);
      margin-top: 48px;
      padding: 24px 20px;
      text-align: center;
      font-size: 0.75rem;
      color: var(--muted);
    }

    /* Responsive */
    @media (max-width: 640px) {
      .date { display: none; }
      .author-section { flex-direction: column; }
      .cta-button { width: 100%; }
    }