:root {
            --primary: #4167a2;
            --primary-light: #5a80b5;
            --primary-dark: #2f4d78;
            --accent: #9ee9f1;
            --accent-dark: #7dc9d1;
            --light: #ffffff;
            --dark: #2d3748;
            --gray: #718096;
            --light-gray: #f8f9fa;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            color: var(--dark);
            line-height: 1.6;
            background-color: var(--light);
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Header & Navigation */
        header {
            background-color: var(--light);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 100;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
        }

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

        .nav-links li {
            margin-left: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }

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

        /* Flag Selector */
        .flag-selector {
            position: relative;
            display: inline-block;
            margin-left: 2rem;
        }

        .flag-selector .selected-flag.british-flag {
            background-image: url('/Flag_of_the_United_Kingdom.svg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .flag-selector .selected-flag.polish-flag {
            background-image: url('/Flag_of_Poland.svg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        /* Make sure the selected-flag has dimensions */
        .selected-flag {
            width: 60px;
            height: 30px;
            display: block;
            cursor: pointer;
            border: 2px solid #fff;
            border-radius: 3px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .selected-flag:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }

        .flags-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            background: white;
            border-radius: 6px;
            margin-top: 8px;
            overflow: hidden;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            animation: fadeIn 0.3s ease;
            min-width: 120px;
        }

        .flag-option {
            display: flex;
            align-items: center;
            padding: 10px 15px;
            text-decoration: none;
            color: var(--dark);
            transition: background 0.2s ease;
        }

        .flag-option:hover {
            background: var(--light-gray);
        }

        .flag {
            width: 30px;
            height: 20px;
            margin-right: 10px;
            border: 1px solid #ddd;
            border-radius: 3px;
        }

        .flag-icon{
            margin-right: 10px;
        }


        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Hero Section */
        .hero {
            padding: 8rem 0 5rem;
            background: linear-gradient(to bottom right, var(--light) 60%, var(--accent));
            text-align: center;
        }

        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 2rem;
        }

        /* Services Section */
        .services {
            padding: 5rem 0;
            background-color: var(--light);
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .section-title p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background-color: var(--light);
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
            border-top: 4px solid var(--primary);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--accent) 0%, var(--light) 100%);
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin: 0 auto 1.5rem;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .service-card p {
            color: var(--gray);
        }

        /* Projects Section */
        .projects {
            padding: 5rem 0;
            background: linear-gradient(to bottom, var(--light) 50%, var(--accent));
        }

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

        .project-card {
            background-color: var(--light);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s;
        }

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

        .project-img {
            height: 200px;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light);
            font-size: 3rem;
        }

        .project-content {
            padding: 1.5rem;
        }

        .project-card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: var(--primary);
        }

        .project-card p {
            color: var(--gray);
            margin-bottom: 1rem;
        }

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

        .project-tag {
            background-color: var(--accent);
            color: var(--dark);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Approach Section */
        .approach {
            padding: 5rem 0;
            background-color: var(--light);
        }

        .approach-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 3rem;
        }

        .approach-text {
            flex: 1;
            min-width: 300px;
        }

        .approach-text h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }

        .approach-text p {
            color: var(--gray);
            margin-bottom: 1.5rem;
        }

        .approach-list {
            flex: 1;
            min-width: 300px;
        }

        .approach-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
            background-color: var(--light-gray);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

        .approach-item span {
            background-color: var(--primary);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            flex-shrink: 0;
        }

        /* Testimonials */
        .testimonials {
            padding: 5rem 0;
            background: linear-gradient(to bottom, var(--accent) 0%, var(--light) 100%);
        }

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

        .testimonial-card {
            background-color: var(--light);
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            border-top: 4px solid var(--primary);
        }

        .testimonial-text {
            font-style: italic;
            color: var(--gray);
            margin-bottom: 1.5rem;
            position: relative;
        }

        .testimonial-text::before {
            content: """;
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.2;
            position: absolute;
            top: -1rem;
            left: -1rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            margin-right: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        /* CTA Section */
        .cta {
            padding: 5rem 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            text-align: center;
        }

        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .cta p {
            max-width: 600px;
            margin: 0 auto 2rem;
            font-size: 1.1rem;
        }

        .btn {
            display: inline-block;
            background-color: var(--light);
            color: var(--primary);
            padding: 0.8rem 1.8rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            background-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        #contact-button{
            color: var(--light);
            background-color: var(--primary-dark);
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: white;
            padding: 3rem 0;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .footer-info {
            flex: 1;
            min-width: 250px;
        }

        .footer-info h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .footer-contact {
            flex: 1;
            min-width: 250px;
        }

        .footer-contact h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .footer-contact p {
            margin-bottom: 0.5rem;
        }

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

        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: color 0.3s;
        }

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

        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hidden {
            display: none;
        }

        .phone-wrapper {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }


        #phoneText{
            font-size: 1.5rem;
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .nav-links {
                display: none;
            }

            .approach-content {
                flex-direction: column;
            }

            .flag-selector {
                margin-left: 1rem;
            }
        }