/* Global Styles */
 :root {
    --primary-color: #2AAA8A;
    --secondary-color: #1E7F74;
    --accent-color: #34D1B6;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #28a745;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        html {
            scroll-behavior: smooth;
          }

        body {
            line-height: 1.6;
            color: var(--dark-color);
            background-color: #fff;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        section {
            padding: 80px 0;
        }
        
        h1, h2, h3, h4 {
            margin-bottom: 20px;
            font-weight: 700;
            color: var(--secondary-color);
        }
        
        h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        h2::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            margin: 15px auto 0;
        }
        
        p {
            margin-bottom: 15px;
        }
        
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--accent-color);
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--primary-color);
            color: white;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        
        .btn:hover {
            background: var(--accent-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }
        
        .btn-outline:hover {
            background: var(--primary-color);
            color: white;
        }
        
        .text-center {
            text-align: center;
        }

        .list-style-none {
            list-style: none;
        }
        
        .color-light {
            color: var(--light-color);
        }

        .mb-2{
            margin-bottom: 0.5rem;
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        header.scrolled {
            padding: 10px 0;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary-color);
        }
        
        .logo span {
            color: var(--accent-color);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            font-weight: 600;
            position: relative;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .menu-toggle {
            display: none;
            cursor: pointer;
        }
        
        /* Hero Section */
        #hero {
            height: 100vh;
            display: flex;
            align-items: center;
            /* background: linear-gradient(90deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.6) 100%), url('../assets/images/banner.jpg') no-repeat center center/cover; */
            background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.6) 50%, rgba(0, 0, 0, 0.7) 100%), url('../assets/images/banner.jpg') no-repeat center center/cover;

            /* background: #1E7F74; */
            /* background: linear-gradient(90deg, rgba(30, 127, 116, 0.47) 0%, rgba(30, 127, 116, 0.43) 34%, rgba(30, 127, 116, 0.47) 100%), url('../assets/images/banner.jpg') no-repeat center center/cover; */
            /* background: linear-gradient(90deg, rgba(30, 127, 116, 0.47) 0%, rgba(30, 127, 116, 0.43) 34%, rgba(30, 127, 116, 0.47) 100%), url('../assets/images/banner.jpg') no-repeat center center/cover; */
            /* background-image: url('../assets/images/banner.jpg'); */
            /* background: linear-gradient(rgba(0, 86, 179, 0.8), rgba(0, 86, 179, 0.8)), url('../assets/images/banner.jpg') no-repeat center center/cover; */
            color: white;
            text-align: center;
            padding-top: 80px;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: white;
        }
        
        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .hero-btns .btn {
            margin: 0 10px;
        }
        
        .profile-img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid white;
            margin: 0 auto 30px;
            display: block;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        /* About Section */
        #about {
            background-color: var(--light-color);
        }
        
        /* .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        } */
        
        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 20px;
        }
        
        .skills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }
        
        .skill {
            background: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        /* Competencies Section */
        .competencies {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .competency-card {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            text-align: center;
        }
        
        .competency-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .competency-icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        
        /* IoT Solutions Section */
        .iot-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
        }
        
        .tab-btn {
            padding: 10px 20px;
            background: none;
            border: none;
            border-bottom: 3px solid transparent;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .tab-btn.active {
            border-bottom: 3px solid var(--accent-color);
            color: var(--accent-color);
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .hardware-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .hardware-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .hardware-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .hardware-img {
            width: 100%;
            /* height: 200px; */
            object-fit: cover;
        }
        
        .hardware-info {
            padding: 20px;
        }
        
        .hardware-info h3 {
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        
        .software-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .feature-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .feature-card h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .feature-list {
            list-style: none;
        }
        
        .feature-list li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 25px;
        }
        
        .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success-color);
            font-weight: bold;
        }
        
        /* Experience Section */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 2px;
            background-color: var(--accent-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }
        
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            border: 4px solid var(--accent-color);
            border-radius: 50%;
            top: 15px;
            z-index: 1;
        }
        
        .left {
            left: 0;
        }
        
        .right {
            left: 50%;
        }
        
        .left::after {
            right: -10px;
        }
        
        .right::after {
            left: -10px;
        }
        
        .timeline-content {
            padding: 20px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .timeline-content h3 {
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .timeline-date {
            color: var(--accent-color);
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        /* Projects Section */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .project-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .project-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .project-info {
            padding: 20px;
        }
        
        .project-info h3 {
            margin-bottom: 10px;
        }
        
        .project-stats {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
            color: var(--accent-color);
            font-weight: 600;
        }
        
        /* Contact Section */
        #contact {
            background-color: var(--light-color);
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }
        
        .contact-info h3 {
            margin-bottom: 20px;
        }
        
        .contact-details {
            margin-bottom: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-icon {
            margin-right: 15px;
            color: var(--accent-color);
            font-size: 1.2rem;
        }
        
        .contact-form .form-group {
            margin-bottom: 20px;
        }
        
        .contact-form label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        
        .contact-form textarea {
            height: 150px;
            resize: vertical;
        }
        
        /* Footer */
        footer {
            background: var(--secondary-color);
            color: white;
            padding: 50px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
            justify-items: center;
        }
        

        .footer-col h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item::after {
                left: 21px;
            }
            
            .left::after, .right::after {
                left: 21px;
            }
            
            .right {
                left: 0;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                left: -100%;
                width: 80%;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: all 0.5s ease;
                z-index: 999;
                box-shadow: 2px 0 5px rgba(0,0,0,0.1);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .menu-toggle {
                display: block;
                cursor: pointer;
                z-index: 1000;
            }
            
            /* Optional: Add overlay when menu is open */
            .overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0,0,0,0.5);
                z-index: 998;
                display: none;
            }
            
            .overlay.active {
                display: block;
            }

            #hero{
                margin-top: 10vh;
            }
            
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            
            section {
                padding: 60px 0;
            }

            .footer-content{
                justify-items: left;
            }
        }

        /* Desktop Styles */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
    
    .nav-links {
        display: flex;
    }
}