/* Critical CSS for immediate render */
      :root {
        --primary-color: #0a9396;
        --secondary-color: #94d2bd;
        --dark-color: #005f73;
        --light-bg: #f0fdfa;
        --font-primary: "Inter", system-ui, -apple-system, sans-serif;
        --font-accent: "Poppins", system-ui, -apple-system, sans-serif;
        --sidebar-width: 260px;
      }
      
      * {
        box-sizing: border-box;
        -webkit-tap-highlight-color: transparent;
      }
      
      html, body {
        height: 100%;
        margin: 0;
        font-family: var(--font-primary);
        background-color: var(--light-bg);
        color: var(--dark-color);
        overflow: hidden;
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
      }
      
      body {
        display: flex;
        flex-direction: row;
        height: 100vh;
      }
      
      /* Critical mobile navigation styles */
      .floating-menu { position: fixed; bottom: 20px; right: 20px; z-index: 1002; display: none; }
      .fab-button { width: 56px; height: 56px; border-radius: 50%; background: var(--primary-color); border: none; cursor: pointer; box-shadow: 0 4px 12px rgba(0,0,0,0.15); display: flex; align-items: center; justify-content: center; }
      .fab-icon { width: 20px; height: 2px; background: white; position: relative; transition: all 0.3s ease; }
      .fab-icon::before, .fab-icon::after { content: ''; position: absolute; width: 20px; height: 2px; background: white; transition: all 0.3s ease; }
      .fab-icon::before { top: -6px; }
      .fab-icon::after { top: 6px; }
      
      /* Critical layout styles */
      .sidebar { width: var(--sidebar-width); background: white; box-shadow: 2px 0 10px rgba(0,0,0,0.1); display: flex; flex-direction: column; position: fixed; height: 100vh; z-index: 1000; }
      .content { margin-left: var(--sidebar-width); flex: 1; padding: 40px; overflow-y: auto; height: 100vh; padding-bottom: 120px; }
      .profile-header { text-align: center; margin-bottom: 40px; }
      .seo-primary-heading { font-size: 2.8rem; margin: 0 0 20px 0; color: var(--dark-color); font-family: var(--font-accent); font-weight: 700; line-height: 1.2; }
      .profile-header img { width: 180px; height: 180px; border-radius: 50%; object-fit: cover; margin-bottom: 20px; border: 4px solid var(--secondary-color); }
      .profile-header h1 { font-size: 2.2rem; margin: 0 0 10px 0; color: var(--dark-color); font-family: var(--font-accent); }
      .profile-header p { font-size: 1.2rem; color: #666; margin-bottom: 30px; }
      .btn-download { display: inline-block; background: var(--primary-color); color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; font-weight: 600; transition: all 0.3s ease; }
      
      /* Mobile responsive critical styles */
      @media (max-width: 768px) {
        .sidebar { display: none; }
        .content { margin-left: 0; padding: 20px; padding-bottom: 100px; }
        .floating-menu { display: block; }
        .seo-primary-heading { font-size: 2.2rem; }
        .profile-header img { width: 140px; height: 140px; }
        .profile-header h1 { font-size: 1.8rem; }
      }
      
      /* Loading state */
      .loading-fonts .seo-primary-heading, .loading-fonts .profile-header h1, .loading-fonts h2, .loading-fonts h3, .loading-fonts h4 {
        font-family: system-ui, -apple-system, sans-serif;
      }
      
      /* Hidden SEO content styles */
      .seo-hidden {
        position: absolute !important;
        left: -9999px !important;
        top: -9999px !important;
        width: 1px !important;
        height: 1px !important;
        overflow: hidden !important;
        clip: rect(1px, 1px, 1px, 1px) !important;
        white-space: nowrap !important;
        border: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
      }
      
      /* Skills grid styles */
      .skills-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 30px;
        margin-top: 35px;
      }
      
      .skill-category {
        background: white;
        padding: 30px;
        border-radius: 16px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        border: 1px solid #e5e7eb;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
      }
      
      .skill-category::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background-image: linear-gradient(90deg, var(--primary-color) 0%, #14b8a6 100%);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s ease;
      }
      
      .skill-category:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 40px rgba(0,0,0,0.12);
      }
      
      .skill-category:hover::before {
        transform: scaleX(1);
      }
      
      .skill-category h3 {
        margin: 0 0 20px 0;
        color: var(--dark-color);
        font-size: 1.3rem;
        font-weight: 600;
        font-family: var(--font-accent);
        position: relative;
      }
      
      .skill-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
      }
      
      .skill-tag {
        background-image: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
        color: #475569;
        padding: 8px 16px;
        border-radius: 24px;
        font-size: 0.9rem;
        font-weight: 500;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border: 1px solid transparent;
        cursor: default;
        position: relative;
        overflow: hidden;
      }
      
      .skill-tag::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background-image: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
        transition: left 0.5s ease;
      }
      
      .skill-tag.primary {
        background-image: linear-gradient(135deg, var(--primary-color) 0%, #14b8a6 100%);
        color: white;
        font-weight: 600;
      }
      
      .skill-tag:hover {
        transform: translateY(-2px) scale(1.05);
        box-shadow: 0 6px 20px rgba(0,0,0,0.15);
      }
      
      .skill-tag:hover::before {
        left: 100%;
      }
      
      @media (max-width: 768px) {
        .skills-grid {
          grid-template-columns: 1fr;
          gap: 20px;
          margin-top: 25px;
        }
        
        .skill-category {
          padding: 25px;
        }
        
        .skill-category h3 {
          font-size: 1.2rem;
          margin-bottom: 15px;
        }
        
        .skill-tag {
          padding: 6px 12px;
          font-size: 0.85rem;
        }
      }