body {
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background-color: #f9fafb;
      color: #111827;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .animate-fadeIn { animation: fadeIn 0.7s ease-out; }
    
    .trust-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      padding: 0.4rem 0.7rem;
      background: #ecfdf5;
      border: 1px solid #a7f3d0;
      border-radius: 0.5rem;
      font-size: 0.7rem;
      font-weight: 600;
      color: #065f46;
      white-space: nowrap;
    }
    
    .stat-card {
      text-align: center;
      padding: 1rem;
      background: white;
      border: 1px solid #e5e7eb;
      border-radius: 0.75rem;
    }
    
    .stat-number {
      font-size: 1.5rem;
      font-weight: 700;
      color: #059669;
      margin-bottom: 0.25rem;
      line-height: 1.2;
    }
    
    .stat-label {
      font-size: 0.75rem;
      color: #6b7280;
      line-height: 1.3;
    }
    
    .category-card {
      background: white;
      border: 1px solid #e5e7eb;
      border-radius: 1rem;
      padding: 1.25rem;
      transition: all 0.3s ease;
      text-decoration: none;
      color: inherit;
      cursor: pointer;
    }
    
    .category-card:hover {
      box-shadow: 0 10px 25px rgba(0,0,0,0.1);
      transform: translateY(-2px);
      border-color: #10b981;
    }

    .guide-card {
      background: white;
      border: 1px solid #e5e7eb;
      border-radius: 1rem;
      padding: 1.75rem;
      transition: all 0.3s ease;
      display: block;
      height: 100%;
    }

    .guide-card:hover {
      box-shadow: 0 10px 25px rgba(0,0,0,0.12);
      transform: translateY(-3px);
      border-color: #10b981;
    }

    .guide-badge {
      display: inline-block;
      padding: 0.25rem 0.75rem;
      background: #d1fae5;
      color: #065f46;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      border-radius: 0.375rem;
      margin-bottom: 0.75rem;
    }

    .instagram-highlight {
      background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
      border: 2px solid #10b981;
      border-radius: 1.25rem;
      padding: 2rem;
      position: relative;
      overflow: hidden;
    }

    .instagram-highlight::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -10%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
      pointer-events: none;
    }

    .instagram-tool-card {
      background: white;
      border: 1px solid #d1fae5;
      border-radius: 0.875rem;
      padding: 1.25rem;
      transition: all 0.3s ease;
      position: relative;
    }

    .instagram-tool-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(16, 185, 129, 0.2);
      border-color: #10b981;
    }
    
    @media (max-width: 768px) {
      .stat-number {
        font-size: 1.5rem;
      }
      
      .stat-label {
        font-size: 0.75rem;
      }
      
      .trust-badge {
        font-size: 0.7rem;
        padding: 0.4rem 0.6rem;
        gap: 0.25rem;
      }
      
      .category-card {
        padding: 1rem;
      }

      .guide-card {
        padding: 1.25rem;
      }

      .instagram-highlight {
        padding: 1.5rem;
      }

      .instagram-tool-card {
        padding: 1rem;
      }
    }

    .highlight-box {
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      border: 2px solid #10b981;
      border-radius: 1rem;
      padding: 1.5rem;
    }