
        :root {
            --primary-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            --secondary-gradient: linear-gradient(135deg, #00b4db 0%, #0083b0 100%);
            --accent-gradient: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
            --success-gradient: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
            --warning-gradient: linear-gradient(135deg, #00cec9 0%, #55a3ff 100%);
            --info-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
            --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
            --text-light: #ffffff;
            --text-dark: #2c3e50;
            --card-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.2);
        }


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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #00b4db 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Animated Background Elements */
        .bg-decoration {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: -1;
        }

        .floating-shape {
            position: absolute;
            border-radius: 50%;
            animation: float 15s infinite;
        }

        .shape1 {
            width: 80px;
            height: 80px;
            background: var(--accent-gradient);
            top: 10%;
            left: 10%;
            animation-delay: 0s;
            opacity: 0.3;
        }

        .shape2 {
            width: 60px;
            height: 60px;
            background: var(--secondary-gradient);
            top: 70%;
            right: 15%;
            animation-delay: 5s;
            opacity: 0.3;
        }

        .shape3 {
            width: 100px;
            height: 100px;
            background: var(--success-gradient);
            bottom: 20%;
            left: 20%;
            animation-delay: 10s;
            opacity: 0.3;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            25% { transform: translateY(-20px) rotate(90deg); }
            50% { transform: translateY(-40px) rotate(180deg); }
            75% { transform: translateY(-20px) rotate(270deg); }
        }

        /* Navigation */
        .navbar {
            background: rgba(255, 255, 255, 0.95) !important;
            backdrop-filter: blur(20px);
            border-radius: 20px;
            margin: 1rem auto;
            max-width: 90%;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar-brand {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 900;
            font-size: 1.8rem;
        }

        .nav-link {
            color: var(--text-dark) !important;
            font-weight: 600;
            margin: 0 0.5rem;
            border-radius: 15px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--accent-gradient);
            transition: left 0.3s ease;
            z-index: -1;
        }

        .nav-link:hover::before,
        .nav-link.active::before {
            left: 0;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-light) !important;
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            border-radius: 30px;
            padding: 3rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: var(--card-shadow);
        }

        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            background: linear-gradient(45deg, #fff, #f0f0f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: clamp(1.2rem, 3vw, 2rem);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            font-weight: 300;
        }

        .hero-description {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .contact-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .btn-gradient {
            background: var(--accent-gradient);
            border: none;
            color: white;
            padding: 12px 30px;
            border-radius: 25px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .btn-gradient:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
            color: white;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-link {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.5rem;
        }

        .social-link.github {
            background: var(--dark-gradient);
        }

        .social-link.linkedin {
            background: var(--primary-gradient);
        }

        .social-link:hover {
            transform: translateY(-3px) scale(1.1);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }

        /* Section Styling */
        .section {
            padding: 5rem 0;
            position: relative;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 900;
            text-align: center;
            margin-bottom: 3rem;
            color: white;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }

        .section-content {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 30px;
            padding: 3rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* Skills Section */
                .skills-category {
            margin-bottom: 3rem;
        }

        .skills-category h5 {
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .skills-category.cert h5 {
            background: var(--warning-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .skill-card {
            background: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            padding: 2rem;
            text-align: center;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
        }

        .skill-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(102, 126, 234, 0.3);
        }

        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent-gradient);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .skill-card:hover::before {
            transform: scaleX(1);
        }

        .skill-card i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            display: block;
        }

        .skill-card .cert-name {
            font-weight: 700;
            color: var(--text-dark);
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .cert-status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .cert-status.completed {
            background: linear-gradient(135deg, #00b894, #00cec9);
            color: white;
        }

        .cert-status.studying {
            background: linear-gradient(135deg, #fdcb6e, #e17055);
            color: white;
        }

        .cert-status.planned {
            background: linear-gradient(135deg, #74b9ff, #0984e3);
            color: white;
        }

        .cert-date {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 1.5rem;
            font-style: italic;
        }

        .cert-buttons {
            display: flex;
            gap: 0.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cert-btn {
            padding: 8px 16px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .cert-btn.verify {
            background: var(--success-gradient);
            color: white;
        }

        .cert-btn.about {
            background: var(--primary-gradient);
            color: white;
        }

        .cert-btn.disabled {
            background: #ccc;
            color: #666;
            cursor: not-allowed;
        }

        .cert-btn:not(.disabled):hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .cert-btn i {
            font-size: 0.9rem;
            margin: 0;
        }

        @media (max-width: 768px) {
            .skills-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .skill-card {
                padding: 1.5rem;
            }

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

            .cert-btn {
                width: 100%;
                justify-content: center;
            }
        }

/* Portfolio Section */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .project-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 25px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
            height: fit-content;
            opacity: 0;
            transform: translateY(20px);
        }

        .project-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--card-shadow-hover);
        }

        .project-image {
            height: 250px;
            overflow: hidden;
            position: relative;
            background: #f8f9fa;
        }

        .project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .project-card:hover .project-image img {
            transform: scale(1.1);
        }

        .status-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--warning-gradient);
            color: white;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
        }

        .project-content {
            padding: 2rem;
        }

        .project-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .tech-stack {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .tech-stack i {
            font-size: 1.5rem;
            padding: 8px;
            border-radius: 50%;
            background: rgba(102, 126, 234, 0.1);
            transition: all 0.3s ease;
        }

        .tech-stack i:hover {
            background: var(--accent-gradient);
            color: white;
            transform: scale(1.1);
        }

        .project-description {
            color: var(--text-dark);
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .project-features {
            margin-bottom: 2rem;
        }

        .project-features h6 {
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .features-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 0.5rem;
            list-style: none;
        }

        .features-list li {
            padding: 8px 12px;
            background: rgba(102, 126, 234, 0.1);
            border-radius: 15px;
            font-size: 0.9rem;
            text-align: center;
            transition: all 0.3s ease;
        }

        .features-list li:hover {
            background: var(--accent-gradient);
            color: white;
            transform: translateY(-2px);
        }

        .project-links {
            display: flex;
            gap: 1rem;
            justify-content: center;
        }

        .project-link {
            padding: 12px 25px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .project-link.code {
            background: var(--dark-gradient);
            color: white;
        }

        .project-link.demo {
            background: var(--success-gradient);
            color: white;
        }

        .project-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
        }

        /* Show More Button */
        .show-more-container {
            text-align: center;
            margin-top: 3rem;
        }

        .show-more-btn {
            background: var(--success-gradient);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .show-more-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }

        .show-more-btn:active {
            transform: translateY(-1px);
        }

        .show-more-btn.hidden {
            display: none;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .project-card {
                margin: 0 1rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }

        /* Footer */
        .footer {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            padding: 2rem 0;
            text-align: center;
            color: white;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .footer-tech {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin: 1rem 0;
        }

        .footer-tech i {
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }

        .footer-tech i:hover {
            transform: scale(1.2);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero-content {
                padding: 2rem;
            }

            .section-content {
                padding: 2rem;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

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

            .navbar {
                margin: 0.5rem auto;
            }

            .section-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-content {
                padding: 1.5rem;
            }

            .section-content {
                padding: 1.5rem;
            }

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

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

            .project-content {
                padding: 1.5rem;
            }

            .features-list {
                grid-template-columns: 1fr;
            }

            .project-links {
                flex-direction: column;
                text-align: center;
            }
        }
