/* Index Page CSS */

  :root {
            --primary-color: #3498db;
            --secondary-color: #2c3e50;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            scroll-behavior: smooth;
        }
        
        .navbar {
            background-color: var(--secondary-color);
            padding: 15px 0;
            transition: all 0.3s;
        }
        
        .navbar.scrolled {
            padding: 10px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
            opacity: 0.3;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .profile-img {
            width: 230px;
            height: 255px;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .section-title {
            position: relative;
            display: inline-block;
            margin-bottom: 40px;
            font-weight: 600;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
        }
        
        .skill-item {
            margin-bottom: 15px;
        }
        
        .skill-name {
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .progress {
            height: 8px;
            border-radius: 4px;
        }

        /* Certification Section Styles */
        .certification-card {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .certification-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
        }
        
        .certification-img {
            height: 180px;
            object-fit: cover;
            width: 100%;
            background-color: #f8f9fa;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .certification-img img {
            max-height: 100%;
            max-width: 100%;
            object-fit: contain;
        }
        
        .certification-body {
            padding: 20px;
        }
        
        .certification-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }
        
        .certification-issuer {
            color: var(--primary-color);
            font-weight: 500;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }
        
        .certification-date {
            color: #6c757d;
            font-size: 0.85rem;
            margin-bottom: 12px;
        }
        
        .certification-badge {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 3px 10px;
            border-radius: 15px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        
        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s;
        }
        
        .portfolio-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .portfolio-img {
            width: 100%;
            height: 500px;
            object-fit: cover;
        }
        
        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(52, 152, 219, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: all 0.3s;
        }
        
        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--secondary-color);
            color: white;
            border-radius: 50%;
            margin-right: 10px;
            transition: all 0.3s;
        }
        
        .social-icons a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 30px 0;
        }
        
        .back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 999;
        }
        
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background-color: var(--accent-color);
        }

        /* Timeline styles for experience section */
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 2px;
            background-color: var(--primary-color);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        
        .timeline-date {
            position: absolute;
            left: -30px;
            top: 0;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            line-height: 1.2;
        }
        
        .timeline-content {
            margin-left: 40px;
            padding: 15px;
            background-color: white;
            border-radius: 5px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        /* 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);
        }
        
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
            }
            
            .profile-img {
                width: 150px;
                height: 150px;
                margin-bottom: 20px;
            }
        }