/* CSS Variables for shadcn-like design system */
:root {
    --background: #ffffff;
    --foreground: #0f172a;
    --card: #ffffff;
    --card-foreground: #0f172a;
    --primary: #0f172a;
    --primary-foreground: #f8fafc;
    --secondary: #f1f5f9;
    --secondary-foreground: #0f172a;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --accent: #f1f5f9;
    --accent-foreground: #0f172a;
    --border: #e2e8f0;
    --input: #e2e8f0;
    --ring: #0f172a;
    --radius: 0.5rem;
  }
  
  .dark {
    --background: #0f172a;
    --foreground: #f8fafc;
    --card: #1e293b;
    --card-foreground: #f8fafc;
    --primary: #f8fafc;
    --primary-foreground: #0f172a;
    --secondary: #1e293b;
    --secondary-foreground: #f8fafc;
    --muted: #1e293b;
    --muted-foreground: #94a3b8;
    --accent: #1e293b;
    --accent-foreground: #f8fafc;
    --border: #334155;
    --input: #334155;
    --ring: #f8fafc;
  }
  
  /* Reset and base styles */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }
  
  @media (min-width: 640px) {
    .container {
      padding: 0 2rem;
    }
  }
  
  @media (min-width: 1024px) {
    .container {
      padding: 0 3rem;
    }
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }
  
  p {
    margin-bottom: 1rem;
    color: var(--muted-foreground);
  }
  
  .text-primary {
    color: #6366f1;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
  }
  
  .btn-primary:hover {
    background-color: var(--primary);
    opacity: 0.9;
  }
  
  .btn-secondary {
    background-color: transparent;
    color: var(--foreground);
    border: 1px solid var(--border);
  }
  
  .btn-secondary:hover {
    background-color: var(--accent);
  }
  
  .btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  
  .btn-full {
    width: 100%;
  }
  
  /* Cards */
  .card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }
  
  /* Header */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
  }
  
  .dark .header {
    background-color: rgba(15, 23, 42, 0.7);
    border-bottom: 1px solid rgba(51, 65, 85, 0.7);
  }
  
  .nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    padding: 0 0.5rem;
  }
  
  .logo {
    display: flex;
    align-items: center;
  }
  
  .logo-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: color 0.2s ease;
  }
  
  .logo-link:hover {
    color: #6366f1;
  }
  
  .nav-content {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .nav {
    display: none;
    gap: 2rem;
  }
  
  @media (min-width: 768px) {
    .nav {
      display: flex;
    }
  }
  
  .nav-link {
    color: var(--muted-foreground);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .nav-icon {
    font-size: 1.25rem;
    color: #6366f1;
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #6366f1;
    transition: width 0.3s ease;
  }
  
  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--foreground);
  }
  
  .nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
  
  .theme-toggle {
    background: none;
    border: none;
    color: var(--foreground);
    cursor: pointer;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
  }
  
  .theme-toggle:hover {
    background-color: var(--secondary);
    transform: rotate(15deg);
  }
  
  .mobile-menu-button {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: none;
    color: var(--foreground);
    cursor: pointer;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
  }
  
  @media (min-width: 768px) {
    .mobile-menu-button {
      display: none;
    }
  }
  
  .theme-toggle:hover,
  .mobile-menu-button:hover {
    background-color: var(--accent);
  }
  
  .theme-toggle svg,
  .mobile-menu-button svg {
    width: 1rem;
    height: 1rem;
  }
  
  .mobile-menu {
    border-top: 1px solid var(--border);
    padding: 1rem 0;
  }
  
  .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    transition: background-color 0.2s ease;
  }
  
  .mobile-nav-link:hover {
    color: var(--foreground);
  }
  
  .hidden {
    display: none;
  }
  
  /* Hero Section */
  .hero {
    padding: 6rem 0 3rem;
    min-height: 80vh;
    display: flex;
    align-items: center;
  }
  
  @media (min-width: 1024px) {
    .hero {
      padding: 6rem 0 4rem;
      min-height: 90vh;
    }
  }
  
  .hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: flex-start;
  }
  
  @media (min-width: 768px) {
    .hero-content {
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
  }
  
  @media (min-width: 1024px) {
    .hero-content {
      gap: 4rem;
    }
  }
  
  .hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
  }
  
  .hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 100%;
  }
  
  @media (min-width: 768px) {
    .hero-description {
      max-width: 600px;
    }
  }
  
  .hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
  }
  
  .hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
  }
  
  .stat {
    text-align: center;
  }
  
  .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
  }
  
  .stat-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
  }
  
  .hero-image {
    display: flex;
    justify-content: center;
    margin-top: 0;
  }
  
  .image-wrapper {
    position: relative;
    margin-top: 0;
  }
  
  .profile-image {
    width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
  }
  
  .image-bg {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: -1rem;
    bottom: -1rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: var(--radius);
    z-index: 1;
  }
  
  @media (min-width: 768px) {
    .hero-text, .hero-image {
      padding-top: 1.5rem;
    }
  }
  
  /* Sections */
  section {
    padding: 4rem 0;
  }
  
  @media (min-width: 640px) {
    section {
      padding: 5rem 0;
    }
  }
  
  @media (min-width: 1024px) {
    section {
      padding: 6rem 0;
    }
  }
  
  .about {
    background-color: var(--muted);
  }
  
  .section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
  
  @media (min-width: 768px) {
    .section-header {
      margin-bottom: 4rem;
    }
  }
  
  .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
  }
  
  .section-icon {
    color: #6366f1;
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
  }
  
  /* About Section */
  .about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  @media (min-width: 768px) {
    .about-content {
      grid-template-columns: 3fr 2fr;
      gap: 2rem;
    }
  }
  
  @media (min-width: 1024px) {
    .about-content {
      gap: 4rem;
    }
  }
  
  .about-text p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
  }
  
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
  }
  
  @media (min-width: 640px) {
    .skills-grid {
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.5rem;
    }
  }
  
  .skill-card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
  }
  
  .skill-card h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--card-foreground);
  }
  
  .skill-card p {
    font-size: 0.875rem;
    margin: 0;
  }
  
  .about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
  
  .about-sidebar .card {
    padding: 1.5rem;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .about-sidebar .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  }
  
  .about-sidebar h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
  }
  
  .about-sidebar h3 .material-icons {
    color: #6366f1;
    font-size: 1.5rem;
  }
  
  .feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  
  .feature-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  
  .feature-list .material-icons {
    color: #6366f1;
    font-size: 1.25rem;
    flex-shrink: 0;
  }
  
  .achievement-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .achievement-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  
  .achievement-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  
  .achievement-list .material-icons {
    color: #6366f1;
    font-size: 1.25rem;
    flex-shrink: 0;
  }
  
  .achievement-text {
    font-size: 0.95rem;
    line-height: 1.5;
  }
  
  /* Skills Section */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }
  
  @media (min-width: 640px) {
    .skills-grid {
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
    }
  }
  
  @media (min-width: 1024px) {
    .skills-grid {
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
  }
  
  .skill-category {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
  }
  
  .skill-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }
  
  .skill-icon {
    font-size: 1.5rem;
  }
  
  .skill-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .skill-item {
    margin-bottom: 1.5rem;
  }
  
  .skill-item span {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
  }
  
  .skill-bar {
    width: 100%;
    height: 12px;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 6px;
    overflow: visible;
    position: relative;
    margin-bottom: 5px;
  }
  
  .skill-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: repeating-linear-gradient(to right, transparent, transparent 24%, rgba(99, 102, 241, 0.2) 25%, rgba(99, 102, 241, 0.2) 25%);
    z-index: 1;
  }
  
  .skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #818cf8);
    border-radius: 6px;
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
    z-index: 2;
  }
  
  .skill-progress::after {
    content: '';
    position: absolute;
    right: -3px;
    top: -3px;
    height: 18px;
    width: 6px;
    background-color: #4f46e5;
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(79, 70, 229, 0.6);
  }
  
  /* Projects Section */
  .projects {
    background-color: var(--muted);
  }
  
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
  }
  
  /* Projects Grid Layout */
  .projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .filter-btn:hover {
    background-color: var(--accent);
    color: var(--accent-foreground);
    border-color: var(--accent);
  }
  
  .filter-btn.active {
    background-color: #6366f1;
    color: white;
    border-color: #6366f1;
  }
  
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
  }
  
  @media (max-width: 768px) {
    .projects-grid {
      grid-template-columns: 1fr;
    }
  }
  
  .project-card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  
  .project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  }
  
  .project-image {
    position: relative;
    overflow: hidden;
  }
  
  .project-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  
  .project-card:hover .project-image img {
    transform: scale(1.05);
  }
  
  .project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .project-card:hover .project-overlay {
    opacity: 1;
  }
  
  .project-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  
  .project-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--card-foreground);
  }
  
  .project-content p {
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.5;
  }
  
  .project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .tech-badge {
    background-color: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 500;
  }
  
  .project-impact {
    background-color: var(--accent);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1.25rem;
  }
  
  .project-impact h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-foreground);
  }
  
  .project-impact ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
  }
  
  .project-impact li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
    color: var(--accent-foreground);
  }
  
  .project-impact li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-foreground);
  }
  
  .project-impact li:last-child {
    margin-bottom: 0;
  }
  
  .project-links {
    display: flex;
    gap: 1rem;
    margin-top: auto;
  }
  
  .project-link {
    color: #6366f1;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease;
    position: relative;
  }
  
  .project-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #6366f1;
    transition: width 0.3s ease;
  }
  
  .project-link:hover::after {
    width: 100%;
  }
  
  .project-link:hover {
    color: #4f46e5;
  }
  
  .projects-cta {
    text-align: center;
    padding: 2rem;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
  }
  
  .projects-cta h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--card-foreground);
  }
  
  .projects-cta p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Experience Section */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--border);
  }
  
  .timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
  }
  
  .timeline-marker {
    position: absolute;
    left: 0.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background-color: #6366f1;
    border-radius: 50%;
    border: 3px solid var(--background);
  }
  
  .timeline-content {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
  }
  
  .timeline-header {
    margin-bottom: 1rem;
  }
  
  .timeline-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--card-foreground);
  }
  
  .company {
    color: #6366f1;
    font-weight: 500;
    display: block;
    margin: 0.25rem 0;
  }
  
  .period {
    color: var(--muted-foreground);
    font-size: 0.875rem;
  }
  
  .achievements {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
  }
  
  .achievements li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    border-bottom: 1px solid var(--border);
  }
  
  .achievements li:last-child {
    border-bottom: none;
  }
  
  .achievement-icon {
    color: #6366f1;
    font-size: 1rem;
    flex-shrink: 0;
  }
  
  .tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  /* Education Section */
  .education {
    background-color: var(--muted);
  }
  
  .education-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
  }
  
  .education-section h4 {
    margin-bottom: 0.5rem;
    color: var(--card-foreground);
  }
  
  /* Certifications Section */
  .certifications {
    background-color: var(--background);
  }
  
  .certifications-grid {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: nowrap;
  }
  
  .certification-card {
    flex: 1;
    min-width: 0; /* Prevents flex items from overflowing */
    width: calc(33.333% - 1.33rem);
  }
  
  @media (max-width: 768px) {
    .certifications-grid {
      flex-direction: column;
      align-items: center;
    }
    
    .certification-card {
      width: 100%;
      max-width: 400px;
    }
  }
  
  .certification-card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }
  
  .certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  }
  
  .certification-image {
    position: relative;
    overflow: hidden;
  }
  
  .certification-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  
  .certification-card:hover .certification-image img {
    transform: scale(1.05);
  }
  
  .certification-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: rgba(99, 102, 241, 0.9);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
  }
  
  .certification-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  
  .certification-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--card-foreground);
  }
  
  .certification-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1rem;
  }
  
  .certification-issuer {
    color: #6366f1;
    font-weight: 500;
    font-size: 0.875rem;
  }
  
  .certification-status {
    color: var(--muted-foreground);
    font-size: 0.875rem;
  }
  
  .certification-content p {
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    flex: 1;
  }
  
  .certification-link {
    display: inline-block;
    color: #6366f1;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
  }
  
  .certification-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #6366f1;
    transition: width 0.3s ease;
  }
  
  .certification-link:hover::after {
    width: 100%;
  }
  
  .certification-link:hover {
    color: #4f46e5;
  }
  
  /* Contact Section */
  .contact {
    background-color: var(--muted);
  }
  
  .contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
  }
  
  .contact-info p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
  }
  
  .contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  .contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .contact-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .contact-icon .material-icons {
    font-size: 1.25rem;
    color: #6366f1;
  }
  
  .contact-method h4 {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
  }
  
  .contact-method p {
    margin: 0;
    font-size: 0.875rem;
  }
  
  .social-links h4 {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1rem;
  }
  
  .social-icons {
    display: flex;
    gap: 1rem;
  }
  
  .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .social-link .material-icons {
    color: #6366f1;
    font-size: 1.25rem;
  }
  
  .social-link:hover {
    background-color: #6366f1;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.25);
  }
  
  .social-link:hover .material-icons {
    color: white;
  }
  
  /* Contact Form */
  .contact-form-wrapper {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
  }
  
  .contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--card-foreground);
  }
  
  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--card-foreground);
  }
  
  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--input);
    border-radius: var(--radius);
    background-color: var(--background);
    color: var(--foreground);
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
  }
  
  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
  }
  
  .form-group textarea {
    resize: vertical;
    min-height: 100px;
  }
  
  /* Footer */
  .footer {
    background-color: var(--background);
    border-top: 1px solid var(--border);
    padding: 3rem 0 1rem;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
  }
  
  .footer-section h3,
  .footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--foreground);
  }
  
  .footer-section p {
    font-size: 0.875rem;
    margin-bottom: 1rem;
  }
  
  .footer-section ul {
    list-style: none;
    padding: 0;
  }
  
  .footer-section ul li {
    padding: 0.25rem 0;
    font-size: 0.875rem;
  }
  
  .footer-section ul li a {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s ease;
  }
  
  .footer-section ul li a:hover {
    color: var(--foreground);
  }
  
  .footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
  }
  
  .footer-bottom p {
    font-size: 0.875rem;
    margin: 0;
  }
  
  /* Responsive Design */
  @media (min-width: 768px) {
    .nav {
      display: flex;
    }
    
    .mobile-menu-button {
      display: none;
    }
    
    .hero-content {
      grid-template-columns: 1fr 1fr;
    }
    
    .hero-title {
      font-size: 4rem;
    }
    
    .about-content {
      grid-template-columns: 2fr 1fr;
    }
    
    .contact-content {
      grid-template-columns: 1fr 1fr;
    }
    
    .form-row {
      grid-template-columns: 1fr 1fr;
    }
  }
  
  @media (max-width: 767px) {
    .hero-title {
      font-size: 2.5rem;
    }
    
    .hero-buttons {
      flex-direction: column;
    }
    
    .hero-stats {
      justify-content: center;
    }
    
    .form-row {
      grid-template-columns: 1fr;
    }
    
    .timeline::before {
      left: 0.5rem;
    }
    
    .timeline-item {
      padding-left: 2rem;
    }
    
    .timeline-marker {
      left: 0;
    }
  }
  
  /* Animations */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .fade-in-up {
    animation: fadeInUp 0.6s ease-out;
  }
  
  /* Smooth transitions */
  * {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  }