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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #581c87 50%, #0f172a 100%);
            color: white;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #1e293b;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(to bottom, #3b82f6, #8b5cf6);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(to bottom, #2563eb, #7c3aed);
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 1rem 2rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .navbar.scrolled {
            background: rgba(15, 23, 42, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: white;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-menu a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.3s ease;
            font-weight: 500;
        }

        .nav-menu a:hover {
            color: #3b82f6;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.3s;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: 0 2rem;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        .hero-content {
            text-align: center;
            z-index: 2;
            max-width: 800px;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 8vw, 4.5rem);
            font-weight: 800;
            margin-bottom: 1rem;
            opacity: 0;
            animation: fadeInUp 1s ease forwards;
        }

        .hero .name-highlight {
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero .subtitle {
            font-size: clamp(1.2rem, 4vw, 2rem);
            color: #d1d5db;
            margin-bottom: 2rem;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            animation: fadeInUp 1s ease 0.3s forwards;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeInUp 1s ease 0.6s forwards;
        }

        .btn {
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
        }

        .btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
        }

        .btn-outline {
            border: 2px solid #3b82f6;
            color: #3b82f6;
            background: transparent;
        }

        .btn-outline:hover {
            background: #3b82f6;
            color: white;
            transform: scale(1.05);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Section Styles */
        .section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-alt {
            background: rgba(30, 41, 59, 0.3);
        }

        .section-title {
            text-align: center;
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .section-title .highlight {
            color: #3b82f6;
        }

        .section-divider {
            width: 100px;
            height: 4px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            margin: 0 auto 3rem;
            border-radius: 2px;
        }

        /* About Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-text {
            font-size: 1.1rem;
            color: #d1d5db;
            line-height: 1.8;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.5rem;
        }

        .skill-card {
            background: rgba(30, 41, 59, 0.5);
            padding: 1.5rem;
            border-radius: 15px;
            text-align: center;
            border: 1px solid rgba(71, 85, 105, 0.5);
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .skill-card:hover {
            transform: translateY(-5px);
            border-color: #3b82f6;
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
        }

        .skill-card i {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #3b82f6;
        }

        /* Education Timeline */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, #3b82f6, #8b5cf6);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin: 3rem 0;
            display: flex;
            align-items: center;
        }

        .timeline-item:nth-child(odd) {
            flex-direction: row-reverse;
        }

        .timeline-content {
            background: rgba(30, 41, 59, 0.5);
            padding: 2rem;
            border-radius: 15px;
            width: 45%;
            border: 1px solid rgba(71, 85, 105, 0.5);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .timeline-content:hover {
            transform: scale(1.05);
            border-color: #3b82f6;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            border-radius: 50%;
            transform: translateX(-50%);
            border: 4px solid #0f172a;
        }

        /* Projects Grid */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background: rgba(30, 41, 59, 0.5);
            border-radius: 20px;
            padding: 2rem;
            border: 1px solid rgba(71, 85, 105, 0.5);
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .project-card:hover {
            transform: translateY(-10px);
            border-color: #3b82f6;
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
        }

        .project-header {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .project-icon {
            width: 60px;
            height: 60px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            font-size: 1.5rem;
            color: white;
        }

        .stock-icon {
            background: linear-gradient(135deg, #10b981, #3b82f6);
        }

        .pill-icon {
            background: linear-gradient(135deg, #f472b6, #a855f7);
        }

        .project-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .project-year {
            color: #3b82f6;
            font-weight: 600;
        }

        .project-description {
            color: #d1d5db;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .project-highlights {
            margin-bottom: 1.5rem;
        }

        .project-highlights h4 {
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            color: white;
        }

        .project-highlights ul {
            list-style: none;
            padding: 0;
        }

        .project-highlights li {
            color: #9ca3af;
            font-size: 0.85rem;
            margin-bottom: 0.3rem;
            padding-left: 1rem;
            position: relative;
        }

        .project-highlights li::before {
            content: "•";
            color: #3b82f6;
            position: absolute;
            left: 0;
        }

        .tech-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 2rem;
        }

        .tech-badge {
            background: rgba(71, 85, 105, 0.5);
            color: #3b82f6;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            border: 1px solid rgba(59, 130, 246, 0.3);
        }

        /* Certificates Carousel */
        .certificates-carousel {
            position: relative;
            max-width: 600px;
            margin: 0 auto;
        }

        .certificate-card {
            background: rgba(30, 41, 59, 0.5);
            padding: 3rem;
            border-radius: 20px;
            text-align: center;
            border: 1px solid rgba(71, 85, 105, 0.5);
            backdrop-filter: blur(10px);
        }

        .certificate-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        }

        .ibm-cert {
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
        }

        .duke-cert {
            background: linear-gradient(135deg, #10b981, #059669);
        }

        /* Certificate Carousel Navigation Arrows */
/* Modern Arrow Buttons for Carousel */
.certificates-carousel {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.certificate-card {
  background: rgba(30, 41, 59, 0.5);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid rgba(71, 85, 105, 0.5);
  backdrop-filter: blur(10px);
  color: #d1d5db;
  font-size: 1.1rem;
  font-weight: 500;
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.1);
  transition: all 0.5s ease;
}

.carousel-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 1rem;
  z-index: 10;
  pointer-events: none;
}

.arrow-btn {
  pointer-events: all;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border: none;
  color: white;
  font-size: 1.8rem;
  padding: 0.7rem 1.2rem;
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.arrow-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.7);
  background: linear-gradient(135deg, #4f46e5, #a855f7);
}

.carousel-nav {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 0.6rem;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  background: rgba(71, 85, 105, 0.6);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: #3b82f6;
}

        /* Technologies Grid */
        .tech-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .tech-category h3 {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            text-align: center;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 1rem;
        }

        .soft-skills {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .soft-skill {
            background: rgba(30, 41, 59, 0.5);
            padding: 1.5rem;
            border-radius: 15px;
            display: flex;
            align-items: center;
            gap: 1rem;
            border: 1px solid rgba(71, 85, 105, 0.5);
            transition: all 0.3s ease;
        }

        .soft-skill:hover {
            transform: scale(1.05);
            border-color: #8b5cf6;
        }

        .soft-skill-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: linear-gradient(135deg, #8b5cf6, #f472b6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(71, 85, 105, 0.5);
            border-radius: 4px;
            overflow: hidden;
            margin-top: 0.5rem;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(135deg, #8b5cf6, #f472b6);
            width: 90%;
            border-radius: 4px;
            animation: fillProgress 2s ease-in-out;
        }

        @keyframes fillProgress {
            from { width: 0; }
            to { width: 90%; }
        }

        /* Contact Section */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.5rem;
            background: rgba(30, 41, 59, 0.5);
            border-radius: 15px;
            border: 1px solid rgba(71, 85, 105, 0.5);
            transition: all 0.3s ease;
            text-decoration: none;
            color: inherit;
        }

        .contact-item:hover {
            transform: scale(1.05);
            border-color: #3b82f6;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .contact-form {
            background: rgba(30, 41, 59, 0.5);
            padding: 2rem;
            border-radius: 20px;
            border: 1px solid rgba(71, 85, 105, 0.5);
            backdrop-filter: blur(10px);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-control {
            width: 100%;
            padding: 1rem;
            background: rgba(71, 85, 105, 0.5);
            border: 1px solid rgba(71, 85, 105, 0.5);
            border-radius: 10px;
            color: white;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        .form-control::placeholder {
            color: #9ca3af;
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* Footer */
        .footer {
            background: rgba(15, 23, 42, 0.5);
            padding: 2rem;
            text-align: center;
            border-top: 1px solid rgba(71, 85, 105, 0.5);
            backdrop-filter: blur(10px);
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1rem;
        }

        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #3b82f6;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .about-grid,
            .contact-grid,
            .tech-section {
                grid-template-columns: 1fr;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                flex-direction: row !important;
                padding-left: 50px;
            }

            .timeline-content {
                width: 100%;
            }

            .timeline-dot {
                left: 20px;
            }

            .projects-grid {
                grid-template-columns: 1fr;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* Typing Animation */
        .typing-text {
            border-right: 2px solid #3b82f6;
            animation: blink 1s infinite;
        }

        @keyframes blink {
            0%, 50% { border-color: transparent; }
            51%, 100% { border-color: #3b82f6; }
        }

        /* Scroll Reveal Animation */
        .reveal {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s ease;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }