:root {
            --primary-color: #00d1d1;
            --primary-dark: #00a3a3;
            --glass-bg: rgba(255, 255, 255, 0.15);
            --glass-border: rgba(255, 255, 255, 0.2);
            --dark-glass: rgba(0, 0, 0, 0.3);
            --text-dark: #333;
            --text-light: #666;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }

        /* Performance optimizations */
        img {
            loading: lazy;
            decoding: async;
        }

        /* Enhanced glassmorphism utilities */
        .glass {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
        }

        .glass-dark {
            background: var(--dark-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Enhanced navbar with better contrast */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            background: rgba(255, 255, 255, 0.1);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.6rem;
            color: #fff !important;
            transition: transform 0.3s ease;
        }

        .navbar-brand:hover {
            transform: scale(1.05);
        }

        .navbar-brand i {
            transition: transform 0.3s ease;
        }

        .navbar-brand:hover i {
            transform: rotate(180deg);
        }

        .navbar-nav .nav-link {
            color: var(--text-dark) !important;
            font-weight: 500;
            margin: 0 15px;
            padding: 8px 16px !important;
            border-radius: 25px;
            transition: all 0.3s ease;
            position: relative;
        }

        /* .navbar-nav .nav-link::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        } */

        .navbar-nav .nav-link:hover {
            color: var(--text-dark) !important;
            background: rgba(0, 209, 209, 0.151);
            transform: translateY(-2px);
        }

        .navbar-nav .nav-link:hover::before {
            width: 80%;
        }

        /* Enhanced hero section */
        .hero {
            height: 100vh;
            background: linear-gradient(45deg, rgba(0, 0, 0, 0.4), rgba(0, 209, 209, 0.2)), url('https://freerangestock.com/sample/107116/wooden-house-with-glass-roof-and-metal-handrail.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, transparent 0%, rgba(0, 209, 209, 0.1) 50%, transparent 100%);
            pointer-events: none;
        }

        .hero-content {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 3.5rem;
            border-radius: 25px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            max-width: 650px;
            animation: heroFadeIn 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: clamp(1rem, 2.5vw, 1.4rem);
            margin-bottom: 2.5rem;
            font-weight: 300;
            opacity: 0.95;
        }

        /* Enhanced buttons */
        .btn-glass {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            border: none;
            border-radius: 50px;
            padding: 15px 35px;
            color: white;
            font-weight: 500;
            font-size: 1.1rem;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 0 8px 32px rgba(0, 209, 209, 0.3);
            position: relative;
            overflow: hidden;
        }

        .btn-glass::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s;
        }

        .btn-glass:hover::before {
            left: 100%;
        }

        .btn-glass:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
            transform: translateY(-3px);
            box-shadow: 0 15px 45px rgba(0, 209, 209, 0.4);
            color: white;
        }

        /* Section improvements */
        .section {
            padding: 100px 0;
            position: relative;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 600;
            margin-bottom: 3.5rem;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
            border-radius: 2px;
        }

        /* Enhanced about section */
        .about {
            background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
        }

        .about-image {
            position: relative;
            z-index: 10;
        }

        .about-image img {
            border-radius: 25px;
            box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
            transition: transform 0.4s ease;
            width: 100%;
            height: auto;
        }

        .about-image:hover img {
            transform: scale(1.02);
        }

        .about-content {
            padding-left: 3rem;
        }

        .about-content .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
        }

        /* Enhanced services section */
        .services {
            background: linear-gradient(135deg, #f0f0f0 0%, #ffffff 100%);
            position: relative;
        }

        .services::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23000" opacity="0.03"/><circle cx="75" cy="75" r="1" fill="%23000" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            pointer-events: none;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            padding: 2.5rem;
            text-align: center;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            margin-bottom: 2rem;
            height: 100%;
        }

        .service-card:hover {
            transform: translateY(-15px);
            background: rgba(255, 255, 255, 0.35);
            box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
        }

        .service-card i {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            transition: transform 0.4s ease;
        }

        .service-card:hover i {
            transform: scale(1.1);
        }

        .service-card h4 {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        /* Enhanced image overlay */
        .image-overlay {
            height: 450px;
            background: linear-gradient(45deg, rgba(0, 0, 0, 0.5), rgba(0, 209, 209, 0.3)), url('https://live.staticflickr.com/8812/29082305246_ddd6f384a6_b.jpg');
            background-size: auto;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 5;
            margin: -60px 0;
        }

        .quote-box {
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 3rem;
            border-radius: 25px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            text-align: center;
            max-width: 600px;
            animation: pulse 3s ease-in-out infinite;
        }

        .quote-box p {
            font-size: 1.8rem;
            font-style: italic;
            font-weight: 300;
            margin: 0;
        }

        /* Enhanced portfolio */
        .portfolio {
            background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
        }

        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
        }

        .portfolio-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
        }

        .portfolio-item img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .portfolio-item:hover img {
            transform: scale(1.1);
        }

        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0, 209, 209, 0.9), rgba(0, 163, 163, 0.9));
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.4s ease;
            color: white;
            text-align: center;
        }

        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }

        /* Enhanced architecture section */
        .architecture {
            background: linear-gradient(45deg, rgba(0, 0, 0, 0.6), rgba(0, 209, 209, 0.3)), url('https://cdn12.picryl.com/photo/2016/12/31/bathroom-home-mirror-architecture-buildings-c77868-1024.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
        }

        .architecture-content {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 3.5rem;
            border-radius: 25px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .architecture ul {
            list-style: none;
            padding: 0;
        }

        .architecture li {
            padding: 1rem 0;
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .architecture li:hover {
            transform: translateX(10px);
        }

        .architecture li i {
            color: var(--primary-color);
            margin-right: 1.5rem;
            font-size: 1.3rem;
        }

        /* Enhanced testimonials */
        .testimonials {
            background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            padding: 2.5rem;
            text-align: center;
            margin: 0 1rem;
            transition: all 0.4s ease;
            height: 100%;
        }

        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
        }

        .testimonial-avatar {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            margin: 0 auto 1.5rem;
            object-fit: cover;
            border: 3px solid var(--primary-color);
        }

        /* Enhanced contact section */
        .contact {
            background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 25px;
            padding: 3rem;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
            height: 100%;
        }

        .contact-info {
            background: var(--primary-dark);
            border-radius: 25px;
            padding: 3rem;
        }

        .contact-info h5 {
            color: var(--text-dark);
            font-weight: 600;
            margin-bottom: 2rem;
        }

        .contact-info .d-flex {
            margin-bottom: 1.5rem;
            padding: 1rem;
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.5);
            transition: all 0.3s ease;
        }

        .contact-info .d-flex:hover {
            background: rgba(255, 255, 255, 0.8);
            transform: translateX(5px);
        }

        .contact-info i {
            color: var(--primary-dark);
            font-size: 1.3rem;
        }

        .form-control {
            border: 1px solid rgba(189, 189, 189, 0.808);
            background: rgba(255, 255, 255, 0.6);
            border-radius: 15px;
            padding: 15px 20px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(0, 209, 209, 0.25);
            background: rgba(255, 255, 255, 0.9);
        }

        /* Enhanced footer */
        .footer {
            background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
            color: #f0f0f0;
            padding: 3rem 0 1rem;
            position: relative;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
        }

        .footer h5 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-weight: 600;
        }

        .footer a {
            color: #f0f0f0;
            text-decoration: none;
            transition: all 0.3s ease;
            padding: 0.3rem 0;
            display: inline-block;
        }

        .footer a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            margin-top: 3rem;
            text-align: center;
        }

        /* Enhanced back to top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            border: none;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: none;
            align-items: center;
            justify-content: center;
            transition: all 0.4s ease;
            z-index: 1000;
            box-shadow: 0 8px 25px rgba(0, 209, 209, 0.3);
        }

        .back-to-top:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 209, 209, 0.4);
        }

        .back-to-top i {
            font-size: 1.2rem;
        }

        /* Enhanced animations */
        @keyframes heroFadeIn {
            from {
                opacity: 0;
                transform: translateY(50px) scale(0.9);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.02); }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .slide-in-right {
            opacity: 0;
            transform: translateX(50px);
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .slide-in-right.visible {
            opacity: 1;
            transform: translateX(0);
        }

        /* Loading states */
        .btn-glass.loading {
            position: relative;
            pointer-events: none;
            color: transparent;
        }

        .btn-glass.loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 24px;
            height: 24px;
            margin: -12px 0 0 -12px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top-color: #ffffff;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Accessibility improvements */
        .form-control.is-invalid {
            border-color: #dc3545;
            box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
        }

        /* Enhanced responsive design */
        @media (max-width: 768px) {
            .hero-content {
                padding: 2.5rem;
                margin: 0 1rem;
            }
            
            .about-image {
                margin-top: 0;
                margin-bottom: 2rem;
            }
            
            .about-content {
                padding-left: 0;
            }
            
            .section {
                padding: 60px 0;
            }
            
            .service-card,
            .testimonial-card {
                margin-bottom: 1.5rem;
            }
            
            .contact-info {
                margin-top: 2rem;
            }

            .navbar-nav .nav-link {
                margin: 5px 0;
            }
        }

        @media (max-width: 576px) {
            .hero-content {
                padding: 2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }

            .portfolio-item img {
                height: 220px;
            }
        }

        /* Prefers reduced motion */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Focus styles for accessibility */
        .btn-glass:focus,
        .form-control:focus,
        .nav-link:focus {
            outline: 2px solid var(--primary-color);
            outline-offset: 2px;
        }

        /* Dark mode support (if needed in future) */
        @media (prefers-color-scheme: dark) {            
            .navbar-nav .nav-link {
                color: #f0f0f0 !important;
            }
        }