:root {
      --primary: #6366f1;
      --primary-dark: #4f46e5;
      --secondary: #ec4899;
      --dark: #0f172a;
      --darker: #070b15;
      --card: #1e293b;
      --card-hover: #2d3748;
      --text: #f1f5f9;
      --text-muted: #94a3b8;
      --success: #10b981;
      --glass: rgba(255, 255, 255, 0.05);
      --glass-border: rgba(255, 255, 255, 0.1);
      --radius: 16px;
      --radius-sm: 8px;
      --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
      --transition: all 0.3s ease;
    }

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

    body {
      font-family: 'Poppins', sans-serif;
      background: linear-gradient(135deg, var(--darker), var(--dark));
      color: var(--text);
      min-height: 100vh;
      overflow-x: hidden;
      position: relative;
    }

    /* Animated Background */
    .bg-animation {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      overflow: hidden;
    }

    .bg-animation span {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.4;
    }

    .bg-animation .circle-1 {
      width: 400px;
      height: 400px;
      background: var(--primary);
      top: 10%;
      left: 5%;
      animation: float 15s infinite ease-in-out;
    }

    .bg-animation .circle-2 {
      width: 600px;
      height: 600px;
      background: var(--secondary);
      bottom: 10%;
      right: 5%;
      animation: float 20s infinite ease-in-out reverse;
    }

    /* Particles */
    .particles {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
    }

    .particle {
      position: absolute;
      background: rgba(255, 255, 255, 0.3);
      border-radius: 50%;
      animation: float-particle 20s infinite linear;
    }

    /* Header */
    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 5%;
      background: rgba(15, 23, 42, 0.8);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--glass-border);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-icon {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      color: white;
      box-shadow: var(--shadow);
    }

    .logo-text h1 {
      font-size: 22px;
      font-weight: 700;
      background: linear-gradient(to right, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .logo-text p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Navigation */
    .nav-buttons {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .back-btn {
      background: transparent;
      border: 1px solid var(--glass-border);
      padding: 8px 15px;
      border-radius: var(--radius-sm);
      color: var(--text-muted);
      font-size: 14px;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
      display: inline-block;
    }

    .back-btn:hover {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
      border-color: transparent;
    }

    /* Main Content */
    .container {
      max-width: 1200px;
      margin: 40px auto;
      padding: 20px;
    }

    /* About Section */
    .about-section {
      margin-bottom: 40px;
      padding: 30px;
      background: rgba(30, 41, 59, 0.5);
      border-radius: var(--radius);
      backdrop-filter: blur(10px);
      border: 1px solid var(--glass-border);
    }

    .about-section h2 {
      font-size: 2.2rem;
      margin-bottom: 20px;
      background: linear-gradient(to right, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .about-content {
      display: flex;
      gap: 30px;
      align-items: center;
    }

    .about-text {
      flex: 1;
    }

    .about-text p {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .skills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .skill {
      background: var(--primary-dark);
      color: white;
      padding: 8px 15px;
      border-radius: 20px;
      font-size: 14px;
    }

    .about-image {
      flex: 1;
      text-align: center;
    }

    .profile-img {
      width: 200px;
      height: 200px;
      border-radius: 50%;
      object-fit: cover;
      border: 4px solid var(--primary);
      box-shadow: var(--shadow);
    }

    /* Certifications Section */
    .certifications-section {
      margin-bottom: 40px;
      padding: 30px;
      background: rgba(30, 41, 59, 0.5);
      border-radius: var(--radius);
      backdrop-filter: blur(10px);
      border: 1px solid var(--glass-border);
    }

    .certifications-section h2 {
      font-size: 2.2rem;
      margin-bottom: 20px;
      background: linear-gradient(to right, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .certs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .cert-card {
      background: var(--card);
      border-radius: var(--radius);
      padding: 20px;
      border: 1px solid var(--glass-border);
      transition: var(--transition);
    }

    .cert-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    }

    .cert-header {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
    }

    .cert-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 15px;
    }

    .cert-title {
      font-size: 18px;
      font-weight: 600;
    }

    .cert-org {
      font-size: 14px;
      color: var(--text-muted);
    }

    .cert-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* GitHub Section */
    .github-section {
      margin-bottom: 40px;
      padding: 30px;
      background: rgba(30, 41, 59, 0.5);
      border-radius: var(--radius);
      backdrop-filter: blur(10px);
      border: 1px solid var(--glass-border);
    }

    .github-section h2 {
      font-size: 2.2rem;
      margin-bottom: 20px;
      background: linear-gradient(to right, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .github-input {
      display: flex;
      gap: 10px;
      margin-bottom: 20px;
    }

    .github-input input {
      flex: 1;
      padding: 12px 15px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--glass-border);
      background: var(--card);
      color: var(--text);
      font-family: 'Poppins', sans-serif;
    }

    .github-input button {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: white;
      border: none;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      font-weight: 500;
      transition: var(--transition);
    }

    .github-input button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    }

    .github-stats {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 15px;
      margin-bottom: 25px;
    }

    .stat-card {
      background: var(--card);
      border-radius: var(--radius);
      padding: 20px;
      text-align: center;
      border: 1px solid var(--glass-border);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 700;
      background: linear-gradient(to right, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
    }

    .project-card {
      background: var(--card);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid var(--glass-border);
      transition: var(--transition);
    }

    .project-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    }

    .project-info {
      padding: 20px;
    }

    .project-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .project-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 15px;
      min-height: 42px;
    }

    .project-meta {
      display: flex;
      gap: 15px;
      margin-bottom: 15px;
    }

    .meta-item {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .project-link {
      display: inline-block;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: white;
      padding: 8px 15px;
      border-radius: var(--radius-sm);
      text-decoration: none;
      font-size: 14px;
      transition: var(--transition);
      width: 100%;
      text-align: center;
    }

    .project-link:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    }

    .loader {
      text-align: center;
      padding: 30px;
      color: var(--text-muted);
    }

    .loader i {
      font-size: 2rem;
      margin-bottom: 10px;
    }

    .error-message {
      background: rgba(239, 68, 68, 0.1);
      border: 1px solid rgba(239, 68, 68, 0.2);
      color: #f87171;
      padding: 15px;
      border-radius: var(--radius-sm);
      margin-bottom: 20px;
    }

    /* Footer */
    footer {
      text-align: center;
      padding: 30px 20px;
      margin-top: 60px;
      color: var(--text-muted);
      font-size: 14px;
      border-top: 1px solid var(--glass-border);
    }

    /* Animations */
    @keyframes float {
      0%, 100% {
        transform: translateY(0) rotate(0deg);
      }
      50% {
        transform: translateY(-20px) rotate(10deg);
      }
    }

    @keyframes float-particle {
      0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0;
      }
      10% {
        opacity: 1;
      }
      90% {
        opacity: 1;
      }
      100% {
        transform: translateY(-100vh) translateX(100px) rotate(360deg);
        opacity: 0;
      }
    }

    /* Responsive */
    @media (max-width: 768px) {
      .about-content {
        flex-direction: column;
      }
      
      .github-stats, .certs-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      }
    }

    @media (max-width: 480px) {
      .github-stats, .certs-grid {
        grid-template-columns: 1fr;
      }
      
      .projects-grid {
        grid-template-columns: 1fr;
      }
      
      .github-input {
        flex-direction: column;
      }
    }