:root {
            --primary-color: #2c3e50;
            --secondary-color: #e67e22;
            --accent-color: #3498db;
            --dark-color: #1a252f;
            --light-color: #ecf0f1;
            --gradient-primary: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
            --gradient-secondary: linear-gradient(135deg, #e67e22 0%, #f39c12 100%);
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }

        ::-webkit-scrollbar-thumb {
            background: var(--secondary-color);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #d35400;
        }

        /* Navbar */
        .navbar {
            background: rgba(44, 62, 80, 0.95) !important;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            padding: 1rem 0;
        }

        .navbar.scrolled {
            background: rgba(44, 62, 80, 0.98) !important;
            padding: 0.5rem 0;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--secondary-color) !important;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .navbar-nav .nav-link {
            color: white !important;
            font-weight: 500;
            margin: 0 15px;
            position: relative;
            transition: all 0.3s ease;
        }

        .navbar-nav .nav-link:hover {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 50%;
            background: var(--secondary-color);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .navbar-nav .nav-link:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background: url('../paving-brick-3083033_1280.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('../paving-brick-3083033_1280.jpg');
            opacity: 0.9;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: white;
        }

        .hero h1 {
            font-size: 4rem;
            font-weight: bold;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            animation: fadeInUp 1s ease;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            animation: fadeInUp 1s ease 0.3s both;
        }

        .btn-hero {
            background: var(--gradient-secondary);
            border: none;
            padding: 15px 40px;
            font-size: 1.1rem;
            font-weight: bold;
            border-radius: 50px;
            color: white;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(230, 126, 34, 0.4);
            animation: fadeInUp 1s ease 0.6s both;
        }

        .btn-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(230, 126, 34, 0.6);
            color: white;
        }

        /* Floating particles */
        .particles {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* Section styling */
        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 3rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--gradient-secondary);
            border-radius: 2px;
        }

        .section-title p {
            font-size: 1.2rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Services Cards */
        .service-card {
            background: white;
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid #f0f0f0;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--gradient-primary);
            transition: all 0.5s ease;
            z-index: 1;
            opacity: 0.05;
        }

        .service-card:hover::before {
            left: 0;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .service-card i {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 2;
        }

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

        .service-card h4 {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 15px;
            color: var(--primary-color);
            position: relative;
            z-index: 2;
        }

        .service-card p {
            color: #666;
            line-height: 1.6;
            position: relative;
            z-index: 2;
        }

        /* About Section */
        .about-img {
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        .about-img:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        /* Stats Counter */
        .stats {
            background: var(--gradient-primary);
            color: white;
            padding: 60px 0;
        }

        .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: bold;
            display: block;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        /* Gallery */
        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            margin-bottom: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        .gallery-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .gallery-item img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: all 0.3s ease;
        }

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

        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(44, 62, 80, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: all 0.3s ease;
        }

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

        .gallery-overlay h5 {
            color: white;
            font-size: 1.3rem;
            font-weight: bold;
        }

        /* Contact Form */
        .contact-form {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }

        .form-control {
            border: 2px solid #f0f0f0;
            border-radius: 10px;
            padding: 12px 15px;
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.25);
        }

        .btn-submit {
            background: var(--gradient-secondary);
            border: none;
            padding: 12px 40px;
            border-radius: 25px;
            color: white;
            font-weight: bold;
            transition: all 0.3s ease;
            width: 100%;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(230, 126, 34, 0.4);
        }

        /* Contact Info */
        .contact-info {
            background: var(--gradient-primary);
            color: white;
            padding: 40px;
            border-radius: 15px;
            height: 100%;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }

        .contact-item i {
            font-size: 1.5rem;
            margin-right: 15px;
            color: var(--secondary-color);
        }

        /* Footer */
        .footer {
            background: var(--dark-color);
            color: white;
            padding: 50px 0 20px;
        }

        .footer h5 {
            color: var(--secondary-color);
            margin-bottom: 20px;
        }

        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer a:hover {
            color: var(--secondary-color);
        }

        .social-links a {
            display: inline-block;
            margin-right: 15px;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            border-radius: 50%;
            background: var(--secondary-color);
            color: white;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(230, 126, 34, 0.4);
        }

        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
            z-index: 1000;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: #d35400;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(230, 126, 34, 0.4);
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }

            .section-title h2 {
                font-size: 2.2rem;
            }

            .navbar-nav {
                text-align: center;
            }

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

        /* Loading Animation */
        .loading {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: all 0.5s ease;
        }

        .loading.hide {
            opacity: 0;
            visibility: hidden;
        }

        .spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255,255,255,0.1);
            border-left: 5px solid var(--secondary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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