/* ============================================
   CSS Variables & Reset
   ============================================ */
   :root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --bg-light: #f1f5f9;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
  }
  
  ul {
    list-style: none;
  }
  
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  .section {
    padding: 100px 0;
  }
  
  /* ============================================
     Navigation
     ============================================ */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  }
  
  .navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.95);
  }
  
  .nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
  }
  
  .logo {
    font-size: 1.75rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: var(--transition);
  }
  
  .logo:hover {
    transform: scale(1.05);
  }
  
  .nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
  }
  
  .nav-link {
    font-weight: 600;
    color: var(--text-dark);
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
    font-size: 0.95rem;
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
    transition: var(--transition);
  }
  
  .nav-link:hover {
    color: var(--primary-color);
  }
  
  .nav-link:hover::after {
    width: 100%;
  }
  
  .nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
  }
  
  .nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: var(--radius-full);
    transition: var(--transition);
  }
  
  /* ============================================
     Hero Section
     ============================================ */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    position: relative;
    overflow: hidden;
    padding-top: 100px;
  }
  
  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.08"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>');
    opacity: 0.4;
    animation: patternMove 20s linear infinite;
  }
  
  @keyframes patternMove {
    0% {
      transform: translate(0, 0);
    }
    100% {
      transform: translate(60px, 60px);
    }
  }
  
  .hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
  }
  
  .hero-text {
    color: white;
    animation: fadeInUp 0.8s ease-out;
  }
  
  .hero-greeting {
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    opacity: 0.95;
    letter-spacing: 0.5px;
  }
  
  .hero-name {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    margin-bottom: 1.25rem;
    line-height: 1.1;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero-title {
    font-size: clamp(1.375rem, 3vw, 2rem);
    font-weight: 600;
    margin-bottom: 1.75rem;
    opacity: 0.95;
    letter-spacing: 0.3px;
  }
  
  .hero-tagline {
    font-size: 1.25rem;
    line-height: 1.9;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 90%;
  }
  
  .hero-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
  }
  
  .hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
  }
  
  @keyframes fadeInRight {
    from {
      opacity: 0;
      transform: translateX(30px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
  
  .profile-image-wrapper {
    position: relative;
    width: 380px;
    height: 380px;
  }
  
  .profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 10px solid rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-2xl);
    transition: var(--transition-slow);
  }
  
  .profile-image:hover {
    transform: scale(1.08) rotate(2deg);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.35);
  }
  
  .image-border {
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    border: 4px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: rotate 25s linear infinite;
  }
  
  @keyframes rotate {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }
  
  .scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 10;
  }
  
  .scroll-indicator a {
    color: white;
    font-size: 1.75rem;
    opacity: 0.85;
    transition: var(--transition);
  }
  
  .scroll-indicator a:hover {
    opacity: 1;
    transform: translateY(5px);
  }
  
  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
      transform: translateX(-50%) translateY(0);
    }
    40% {
      transform: translateX(-50%) translateY(-12px);
    }
    60% {
      transform: translateX(-50%) translateY(-6px);
    }
  }
  
  /* ============================================
     Buttons
     ============================================ */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.25rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
  }
  
  .btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
  }
  
  .btn:hover::before {
    width: 300px;
    height: 300px;
  }
  
  .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-lg);
  }
  
  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
  }
  
  .btn-secondary {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
  }
  
  .btn-block {
    width: 100%;
  }
  
  /* ============================================
     Section Headers
     ============================================ */
  .section-header {
    text-align: center;
    margin-bottom: 4rem;
  }
  
  .section-tag {
    display: inline-block;
    padding: 0.625rem 1.75rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
  }
  
  .section-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.2;
  }
  
  /* ============================================
     About Section
     ============================================ */
  .about {
    background: var(--bg-light);
    position: relative;
  }
  
  .about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .about-text {
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-light);
  }
  
  .about-text p {
    margin-bottom: 1.75rem;
  }
  
  .about-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
  }
  
  .detail-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 1.75rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
  }
  
  .detail-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
  }
  
  .detail-card i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
  }
  
  .detail-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
  }
  
  .detail-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 0.5rem;
  }
  
  /* ============================================
     Skills Section
     ============================================ */
  .skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
  }
  
  .skill-category {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
  }
  
  .skill-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
  }
  
  .category-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-dark);
  }
  
  .category-title i {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.75rem;
  }
  
  .skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 1.25rem;
  }
  
  .skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
  }
  
  .skill-item:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
  }
  
  .skill-item i {
    font-size: 2.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
  }
  
  .skill-item:hover i {
    color: white;
    -webkit-text-fill-color: white;
  }
  
  .skill-item span {
    font-size: 0.9375rem;
    font-weight: 600;
  }
  
  /* ============================================
     Experience Section
     ============================================ */
  .experience {
    background: var(--bg-light);
  }
  
  .experience-timeline {
    max-width: 850px;
    margin: 0 auto;
    position: relative;
    padding-left: 2.5rem;
  }
  
  .experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
  }
  
  .timeline-item {
    position: relative;
    margin-bottom: 3.5rem;
  }
  
  .timeline-marker {
    position: absolute;
    left: -2.75rem;
    top: 0.75rem;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    border: 5px solid var(--bg-white);
    box-shadow: var(--shadow-lg);
  }
  
  .timeline-content {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
  }
  
  .timeline-content:hover {
    transform: translateX(12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
  }
  
  .timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 1.25rem;
  }
  
  .timeline-header h3 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--text-dark);
  }
  
  .timeline-date {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow-md);
  }
  
  .timeline-company {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.25rem;
  }
  
  .timeline-details {
    list-style: none;
    padding: 0;
  }
  
  .timeline-details li {
    padding: 0.625rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
  }
  
  .timeline-details li::before {
    content: '▸';
    position: absolute;
    left: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
    font-size: 1.25rem;
  }
  
  /* ============================================
     Projects Section
     ============================================ */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
  }
  
  .project-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
  }
  
  .project-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
  }
  
  .project-image {
    height: 280px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }
  
  .project-image-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
  }
  
  .project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
  }
  
  .project-card:hover .project-overlay {
    opacity: 1;
  }
  
  .project-overlay i {
    font-size: 4.5rem;
    color: white;
    animation: pulse 2s ease-in-out infinite;
  }
  
  @keyframes pulse {
    0%, 100% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.1);
    }
  }
  
  .project-content {
    padding: 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  
  .project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    gap: 1.25rem;
  }
  
  .project-content h3 {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 0;
    color: var(--text-dark);
    flex: 1;
  }
  
  .github-link {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    text-decoration: none;
    box-shadow: var(--shadow-md);
  }
  
  .github-link:hover {
    transform: translateY(-4px) scale(1.15) rotate(5deg);
    box-shadow: var(--shadow-xl);
  }
  
  .github-link i {
    font-size: 1.375rem;
  }
  
  .project-description {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 1.75rem;
    font-size: 1.0625rem;
  }
  
  .project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
  }
  
  .tech-tag {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
  }
  
  .tech-tag:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    transform: translateY(-2px);
  }
  
  .project-features {
    list-style: none;
    padding: 0;
    margin-top: auto;
  }
  
  .project-features li {
    padding: 0.625rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
  }
  
  .project-features li i {
    position: absolute;
    left: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  /* ============================================
     Services Section
     ============================================ */
  .services {
    background: var(--bg-light);
  }
  
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
  }
  
  .service-card {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
  }
  
  .service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
  }
  
  .service-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }
  
  .service-card:hover .service-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: var(--shadow-xl);
  }
  
  .service-icon i {
    font-size: 2.25rem;
    color: white;
  }
  
  .service-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-dark);
  }
  
  .service-card p {
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1.0625rem;
  }
  
  /* ============================================
     Certifications Section
     ============================================ */
  .cert-card {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 3.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    transition: var(--transition);
    border: 1px solid var(--border-color);
  }
  
  .cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
  }
  
  .cert-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
  }
  
  .cert-icon i {
    font-size: 2.75rem;
    color: white;
  }
  
  .cert-content h3 {
    font-size: 1.625rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-dark);
  }
  
  .cert-content p {
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1.125rem;
  }
  
  /* ============================================
     Contact Section
     ============================================ */
  .contact {
    background: var(--bg-light);
  }
  
  .contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
  }
  
  .contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
  }
  
  .contact-item {
    display: flex;
    gap: 1.75rem;
    align-items: flex-start;
  }
  
  .contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
  }
  
  .contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
  }
  
  .contact-icon i {
    color: white;
    font-size: 1.375rem;
  }
  
  .contact-details h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
  }
  
  .contact-details a {
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
    font-size: 1.0625rem;
  }
  
  .contact-details a:hover {
    color: var(--accent-color);
    text-decoration: underline;
  }
  
  .social-links {
    display: flex;
    gap: 1.25rem;
    margin-top: 1.25rem;
  }
  
  .social-link {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }
  
  .social-link:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-xl);
  }
  
  .contact-form {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
  }
  
  .form-group {
    margin-bottom: 1.75rem;
  }
  
  .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-size: 1rem;
  }
  
  .form-group input,
  .form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
  }
  
  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-white);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  }
  
  .form-group textarea {
    resize: vertical;
    min-height: 140px;
  }
  
  /* Form Button States */
  .contact-form button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
  }
  
  .contact-form button[type="submit"]:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-md);
  }
  
  .contact-form button[type="submit"] .fa-spinner {
    animation: spin 1s linear infinite;
  }
  
  @keyframes spin {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }
  
  /* ============================================
     Footer
     ============================================ */
  .footer {
    background: linear-gradient(135deg, var(--text-dark), #1e293b);
    color: white;
    padding: 3rem 0;
    text-align: center;
  }
  
  .footer p {
    margin-bottom: 0.75rem;
  }
  
  .footer-tagline {
    opacity: 0.85;
    font-size: 0.9375rem;
  }
  
  /* ============================================
     Toast Notification
     ============================================ */
  .toast {
    position: fixed;
    bottom: 2.5rem;
    right: 2.5rem;
    background: var(--text-dark);
    color: white;
    padding: 1.25rem 1.75rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2xl);
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    z-index: 9999;
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .toast.show {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* ============================================
     Animations
     ============================================ */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(40px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .fade-in-up {
    animation: fadeInUp 0.8s ease-out;
  }
  
  /* ============================================
     Responsive Design
     ============================================ */
  @media (max-width: 968px) {
    .hero-content {
      grid-template-columns: 1fr;
      text-align: center;
      gap: 3rem;
    }
  
    .hero-image {
      order: -1;
    }
  
    .profile-image-wrapper {
      width: 300px;
      height: 300px;
    }
  
    .contact-wrapper {
      grid-template-columns: 1fr;
      gap: 3rem;
    }
  
    .about-details {
      grid-template-columns: 1fr;
    }
  
    .section {
      padding: 80px 0;
    }
  }
  
  @media (max-width: 768px) {
    .nav-menu {
      position: fixed;
      top: 75px;
      left: -100%;
      flex-direction: column;
      background: white;
      width: 100%;
      text-align: center;
      transition: 0.3s;
      box-shadow: var(--shadow-xl);
      padding: 2.5rem 0;
      gap: 0;
      border-top: 1px solid var(--border-color);
    }
  
    .nav-menu.active {
      left: 0;
    }
  
    .nav-link {
      padding: 1.25rem;
      display: block;
      width: 100%;
    }
  
    .nav-toggle {
      display: flex;
    }
  
    .nav-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(6px, 6px);
    }
  
    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }
  
    .nav-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(8px, -8px);
    }
  
    .section {
      padding: 70px 0;
    }
  
    .hero-buttons {
      justify-content: center;
    }
  
    .skills-container {
      grid-template-columns: 1fr;
    }
  
    .projects-grid {
      grid-template-columns: 1fr;
    }
  
    .services-grid {
      grid-template-columns: 1fr;
    }
  
    .cert-card {
      flex-direction: column;
      text-align: center;
      padding: 2.5rem;
    }
  
    .experience-timeline {
      padding-left: 2rem;
    }
  
    .timeline-marker {
      left: -2.25rem;
    }
  }
  
  @media (max-width: 480px) {
    .container {
      padding: 0 15px;
    }
  
    .hero-name {
      font-size: 2.5rem;
    }
  
    .hero-title {
      font-size: 1.25rem;
    }
  
    .profile-image-wrapper {
      width: 260px;
      height: 260px;
    }
  
    .btn {
      padding: 0.875rem 1.75rem;
      font-size: 0.9375rem;
    }
  
    .section-title {
      font-size: 2rem;
    }
  
    .contact-form {
      padding: 2rem;
    }
  
    .contact-wrapper {
      gap: 2.5rem;
    }
  
    .projects-grid {
      grid-template-columns: 1fr;
    }
  
    .project-card {
      border-radius: var(--radius-lg);
    }
  
    .section {
      padding: 60px 0;
    }
  }