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

        :root {
            --primary-color: #0303a4;
            --background-color: #E6E6FA;
            --accent-color: #2e23a3;
            --text-dark: #2c3e50;
            --text-light: #6c757d;
            --white: #ffffff;
            --shadow: 0 10px 30px rgba(75, 0, 130, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: 'PT Sans', sans-serif;
            background: linear-gradient(135deg, var(--background-color) 0%, #f8f9ff 100%);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--accent-color);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
            opacity: 0.05;
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text {
            padding-right: 2rem;
        }

        .hero h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 4rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 1rem;
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.2s forwards;
        }

        .hero .subtitle {
            font-size: 1.5rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.4s forwards;
        }

        .hero .description {
            font-size: 1.2rem;
            margin-bottom: 3rem;
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.6s forwards;
        }

        .profile-image {
            position: relative;
            text-align: center;
            opacity: 0;
            animation: fadeIn 1s ease-out 0.8s forwards;
        }

        .profile-img {
            width: 100%;
            max-width: 400px;
            height: auto;
            border-radius: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .profile-img:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 40px rgba(75, 0, 130, 0.2);
        }

        .img-border {
            position: absolute;
            top: -10px;
            left: -10px;
            right: -10px;
            bottom: -10px;
            border: 2px solid var(--accent-color);
            border-radius: 30px;
            z-index: -1;
            opacity: 0.5;
        }

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

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        /* Section Styling */
        .section {
            padding: 80px 0;
            opacity: 0;
            animation: fadeIn 1s ease-out forwards;
        }

        .section:nth-child(even) {
            background: rgba(255, 255, 255, 0.5);
        }

        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 600;
            text-align: center;
            color: var(--primary-color);
            margin-bottom: 3rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--accent-color);
        }

        /* Skills Section */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .skill-category {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .skill-category:hover {
            transform: translateY(-5px);
            border-color: var(--accent-color);
        }

        .skill-category h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .skill-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .skill-tag {
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: var(--white);
            padding: 0.5rem 1rem;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Back to Portfolio Button */
        .back-button {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: var(--white);
            padding: 1rem 2rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 2rem;
            transition: var(--transition);
        }

        .back-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(143, 0, 255, 0.3);
        }

        .skill-tag-cert {
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: var(--white);
            padding: 0.5rem 1rem;
            margin: 0.5rem;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Timeline */
        .timeline {
            position: relative;
            margin: 2rem 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--accent-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 3rem;
            width: 50%;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            padding-left: 2rem;
        }

        .timeline-item:nth-child(odd) {
            padding-right: 2rem;
        }

        .timeline-content {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }

        .timeline-content:hover {
            transform: scale(1.02);
        }

        .timeline-date {
            background: var(--accent-color);
            color: var(--white);
            padding: 0.5rem 1rem;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .timeline-dot {
            position: absolute;
            top: 2rem;
            width: 16px;
            height: 16px;
            background: var(--accent-color);
            border-radius: 50%;
            border: 4px solid var(--white);
            box-shadow: var(--shadow);
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
        }

        .timeline-item:nth-child(odd) .timeline-dot {
            right: -8px;
        }

        /* Projects Grid */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .project-card {
            background: var(--white);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(75, 0, 130, 0.15);
        }

        .project-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: var(--white);
            padding: 1.5rem;
        }

        .project-body {
            padding: 1.5rem;
        }

        /* Bug Bounty Section */
        .bug-bounty-tool {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin: 2rem 0;
        }

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

        .input-group label {
            display: block;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .input-group input,
        .input-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e0e6ed;
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .input-group input:focus,
        .input-group textarea:focus {
            outline: none;
            border-color: var(--accent-color);
        }

        .btn {
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: var(--white);
            padding: 1rem 2rem;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(143, 0, 255, 0.3);
        }

        /* Contact Section */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .contact-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
        }

        .contact-card:hover {
            transform: translateY(-5px);
        }

        .contact-icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }

        /* Responsive Design */
        @media (max-width: 968px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 2rem;
            }
            
            .hero-text {
                padding-right: 0;
                order: 2;
            }
            
            .profile-image {
                order: 1;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

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

            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 3rem !important;
                padding-right: 0 !important;
            }

            .timeline-dot {
                left: 12px !important;
            }
        }

        /* Animation Classes */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease-out;
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }