/* Base Styles */
        :root {
            --primary-color: #2d3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --light-text: #f5f5f5;
            --shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #f5f7fa;
        }
        
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        a:hover {
            color: var(--accent-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header Styles */
        header {
            background-color: var(--primary-color);
            color: var(--light-text);
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo h1 {
            font-size: 1.8rem;
            font-weight: 600;
        }
        
        .logo span {
            color: var(--secondary-color);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            color: var(--light-text);
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--secondary-color);
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        .menu-toggle {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
        }
        
        /* Hero Section */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            background-color: var(--primary-color);
            color: var(--light-text);
            padding-top: 80px;
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .hero-text {
            flex: 1;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero h1 span {
            color: var(--secondary-color);
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .btn-primary {
            background-color: var(--secondary-color);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: #2980b9;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--light-text);
            border: 2px solid var(--light-text);
        }
        
        .btn-secondary:hover {
            background-color: var(--light-text);
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .hero-image {
            flex: 1;
            text-align: center;
        }
        
        .hero-image img {
            max-width: 100%;
            height: auto;
            border-radius: 5px;
            box-shadow: var(--shadow);
        }
        
        /* About Section */
        section {
            padding: 100px 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-header h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .section-header p {
            color: #777;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .about-text p {
            margin-bottom: 20px;
        }
        
        .about-text .info-list {
            margin-bottom: 30px;
        }
        
        .info-list li {
            margin-bottom: 15px;
            display: flex;
        }
        
        .info-list li strong {
            min-width: 120px;
            display: inline-block;
            position: relative;
        }
        
        .info-list li strong::after {
            content: ':';
            position: absolute;
            right: 0;
        }
        
        .skills {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 30px;
        }
        
        .skill-tag {
            background-color: var(--light-color);
            color: var(--primary-color);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .skill-tag:hover {
            background-color: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
        }
        
        /* Experience Section */
        .experience {
            background-color: #f9f9f9;
        }
        
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 3px;
            background-color: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1.5px;
        }
        
        .timeline-item {
            position: relative;
            width: 50%;
            padding: 30px 40px;
            box-sizing: border-box;
            margin-bottom: 50px;
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        
        .timeline-content {
            background-color: white;
            padding: 30px;
            border-radius: 5px;
            box-shadow: var(--shadow);
            position: relative;
        }
        
        .timeline-content::after {
            content: '';
            position: absolute;
            top: 30px;
            width: 30px;
            height: 30px;
            background-color: white;
            transform: rotate(45deg);
            z-index: -1;
        }
        
        .timeline-item:nth-child(odd) .timeline-content::after {
            right: -15px;
        }
        
        .timeline-item:nth-child(even) .timeline-content::after {
            left: -15px;
        }
        
        .timeline-dot {
            position: absolute;
            width: 25px;
            height: 25px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            top: 35px;
            z-index: 2;
        }
        
        .timeline-item:nth-child(odd) .timeline-dot {
            right: -44.5px;
        }
        
        .timeline-item:nth-child(even) .timeline-dot {
            left: -44.5px;
        }
        
        .timeline-date {
            font-size: 0.9rem;
            color: var(--secondary-color);
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .timeline-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .timeline-subtitle {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: #555;
        }
        
        .timeline-description ul {
            margin-left: 20px;
            margin-top: 15px;
        }
        
        .timeline-description ul li {
            margin-bottom: 10px;
        }
        
        /* Education Section */
        .education-item {
            background-color: white;
            padding: 30px;
            border-radius: 5px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        
        .education-item:hover {
            transform: translateY(-5px);
        }
        
        .education-date {
            font-size: 0.9rem;
            color: var(--secondary-color);
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .education-title {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .education-subtitle {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: #555;
        }
        
        .education-score {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-top: 10px;
        }
        
        /* Achievements Section */
        .achievements {
            background-color: #f9f9f9;
        }
        
        .achievements-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .achievement-card {
            background-color: white;
            padding: 30px;
            border-radius: 5px;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease;
        }
        
        .achievement-card:hover {
            transform: translateY(-5px);
        }
        
        .achievement-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background-color: var(--secondary-color);
        }
        
        .achievement-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .achievement-description {
            color: #555;
        }
        
        /* Certifications Section */
        .certifications-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .certification-card {
            background-color: white;
            padding: 30px;
            border-radius: 5px;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }
        
        .certification-card:hover {
            transform: translateY(-5px);
        }
        
        .certification-logo {
            width: 80px;
            height: 80px;
            margin-bottom: 20px;
            object-fit: contain;
        }
        
        .certification-title {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .certification-issuer {
            color: #555;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        
/* Contact Section Styles */
#contact {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact-container {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.contact-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: #007bff;
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-text {
    flex: 1;
}

.contact-text h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.contact-text a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    word-break: break-word;
}

.contact-text a:hover {
    color: #007bff;
}

/* Specific icon colors for better branding */
.contact-item:nth-child(1) .contact-icon {
    background: linear-gradient(135deg, #28a745, #1e7e34);
}

.contact-item:nth-child(2) .contact-icon {
    background: linear-gradient(135deg, #dc3545, #bd2130);
}

.contact-item:nth-child(3) .contact-icon {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.contact-item:nth-child(4) .contact-icon {
    background: linear-gradient(135deg, #0077b5, #005885);
}

.contact-item:nth-child(5) .contact-icon {
    background: linear-gradient(135deg, #333, #24292e);
}
        
        /* Footer */
        footer {
            background-color: var(--primary-color);
            color: var(--light-text);
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links li a {
            color: #bbb;
            transition: color 0.3s ease;
        }
        
        .footer-links li a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--light-text);
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer-bottom p {
            font-size: 0.9rem;
            color: #bbb;
        }
        
        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 99;
        }
        
        .back-to-top.show {
            opacity: 1;
        }
        
        .back-to-top:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        /* Responsive Styles */
        @media screen and (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
                gap: 50px;
            }
            
            .hero-text {
                order: 2;
            }
            
            .hero-image {
                order: 1;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .about-content {
                flex-direction: column;
                text-align: center;
            }
            
            .skills {
                justify-content: center;
            }
            
            .info-list li {
                justify-content: center;
            }
            
            .info-list li strong {
                text-align: right;
            }
        }
        
        @media screen and (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background-color: var(--primary-color);
                width: 100%;
                height: calc(100vh - 80px);
                padding: 50px 0;
                transition: all 0.5s ease;
            }
            
            nav ul.active {
                left: 0;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item:nth-child(even) {
                left: 0;
            }
            
            .timeline-item:nth-child(odd) .timeline-content::after,
            .timeline-item:nth-child(even) .timeline-content::after {
                left: -15px;
            }
            
            .timeline-item:nth-child(odd) .timeline-dot,
            .timeline-item:nth-child(even) .timeline-dot {
                left: 18px;
            }
        }
        
        @media screen and (max-width: 576px) {
            .section-header h2 {
                font-size: 2rem;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            
            .timeline-item {
                padding-left: 60px;
                padding-right: 15px;
            }
        }


        * Responsive Design */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-item {
        padding: 20px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
    
    .contact-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .contact-text h3 {
        font-size: 16px;
    }
    
    .contact-text a {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    #contact {
        padding: 60px 0;
    }
    
    .contact-item {
        padding: 15px;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .contact-text a {
        font-size: 12px;
    }
}