:root {
            /* Refined Corporate Palette */
            --primary: #3C3171;    /* Deep Purple */
            --accent: #8F7C45;     /* Antique Gold */
            --bg-body: #FDFDFD;    /* Off-white */
            --bg-light: #F4F6F9;   /* Very Light Grey */
            --text-dark: #1F2937;  /* Charcoal */
            --text-muted: #6B7280; /* Grey */
            --card-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --card-hover-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        body {
            font-family: 'Manrope', sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-body);
            line-height: 2;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6, .navbar-brand {
            font-family: 'Playfair Display', serif;
            color: var(--primary);
        }

        /* Navbar - Transparent to Solid Transition */
        .navbar {
            background-color: transparent;
            box-shadow: none;
            padding: 10px 0;
            transition: all 0.4s ease;
        }

        /* Scrolled State */
        .navbar.scrolled {
            background-color: #ffffff; /* White background on scroll */
            backdrop-filter: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1); 
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: white !important;
            transition: color 0.3s;
        }

        .navbar.scrolled .navbar-brand {
            color: var(--primary) !important;
        }

        .brand-logo-img {
            height: 70px; /* Logo Size Mobile */
            width: auto;
            transition: all 0.3s ease;
            filter: brightness(0) invert(1);
        }
        
        .navbar.scrolled .brand-logo-img {
            filter: none;
        }
 /* Dropdown Menu Styles */
        .dropdown-menu {
            border: none;
            border-top: 3px solid var(--accent);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 0;
            border-radius: 0 0 4px 4px;
            margin-top: 0;
        }

        .dropdown-item {
            padding: 12px 20px;
            font-family: 'Manrope', sans-serif;
            font-size: 0.9rem;
            color: var(--text-dark);
            transition: all 0.2s;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 500;
        }

        .dropdown-item:hover {
            background-color: var(--bg-light);
            color: var(--primary);
            padding-left: 25px; /* Slide effect */
        }

        /* Open dropdown on hover for desktop */
      
            .nav-item.dropdown:hover .dropdown-menu {
                display: block;
                animation: fadeIn 0.3s ease;
            }
        
        /* RESPONSIVE LOGO SIZING FOR LAPTOPS & DESKTOPS */
        /* Standard Laptop (992px - 1399px) */
        @media (min-width: 992px) and (max-width: 1399px) {
            .brand-logo-img {
                height: 90px; /* Moderate size for laptops */
            }
            .navbar.scrolled .brand-logo-img {
                height: 70px; /* Smaller when scrolled */
            }
            .nav-link {
                font-size: 0.85rem !important; /* Slightly smaller text for compact navbars */
                margin: 0 10px !important; /* Tighter spacing */
            }
        }

        /* Large Desktop (1400px+) */
        @media (min-width: 1400px) {
            .brand-logo-img {
                height: 120px; /* Large logo for big screens */
            }
            .navbar.scrolled .brand-logo-img {
                height: 90px;
            }
        }

        .nav-link {
            font-family: 'Manrope', sans-serif;
            font-weight: 600;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.9) !important; /* White text initially */
            margin: 0 15px;
            transition: color 0.3s;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .navbar.scrolled .nav-link {
            color: var(--text-dark) !important; /* Dark text on scroll */
        }

        .nav-link:hover, .nav-link.active, .navbar.scrolled .nav-link:hover {
            color: var(--accent) !important;
        }

       

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

        /* Navbar Toggler (Hamburger) */
        .navbar-toggler {
            border-color: rgba(255,255,255,0.5);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(33, 37, 41, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Mobile Menu Background */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: white;
                padding: 20px;
                border-radius: 8px;
                margin-top: 15px;
                box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            }
            .nav-link {
                color: var(--text-dark) !important; /* Always dark in menu */
                padding: 10px 0;
                border-bottom: 1px solid #f0f0f0;
            }
            .nav-link:last-child {
                border-bottom: none;
            }
        }

        .btn-primary-custom {
            background-color: var(--primary);
            color: white;
            padding: 12px 30px;
            border-radius: 4px;
            font-family: 'Manrope', sans-serif;
            font-weight: 600;
            border: 1px solid var(--primary);
            transition: all 0.3s;
            text-transform: uppercase;
            font-size: 0.85rem;
            letter-spacing: 1px;
        }

        .btn-primary-custom:hover {
            background-color: var(--accent);
            border-color: var(--accent);
            color: white;
            transform: translateY(-2px);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: var(--primary);
            padding: 12px 30px;
            border-radius: 4px;
            font-family: 'Manrope', sans-serif;
            font-weight: 600;
            border: 1px solid var(--primary);
            transition: all 0.3s;
            text-transform: uppercase;
            font-size: 0.85rem;
            letter-spacing: 1px;
        }

        .btn-outline-custom:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            position: relative;
            height: 120vh; /* Full Height */
            /* High Quality Luxury Building Background */
            background: url('images/zennova.png') no-repeat center center/cover;
            /* background-attachment: fixed; */
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            margin-top: -110px; /* Pull behind navbar (approx adjusted height) */
            padding-top: 110px;
        }

        /* Overlay to make text pop but keep image visible */
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient( rgb(0, 0, 0),rgba(23, 16, 58, 0.295)); /* Purple tinted dark overlay */
            z-index: 1;
        }

        .hero-content {
            z-index: 2;
            max-width: 800px;
            padding: 20px;
        }

        .hero-subtitle {
            font-family: 'Manrope', sans-serif;
            color: var(--accent);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 4px;
            margin-bottom: 20px;
            display: block;
            font-size: 1rem;
        }

        .hero h1 {
            /* Responsive Font Size using clamp */
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 700;
            margin-bottom: 30px;
            color: white;
            line-height: 1.2;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.3rem);
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }



        /* about section */
   /* Lenis Recommended CSS */
        html.lenis, html.lenis body { height: auto; }
        .lenis.lenis-smooth { scroll-behavior: auto !important; }
        .lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
        .lenis.lenis-stopped { overflow: hidden; }

  
        /* --- About Section Core --- */
        .about {
            /* This height determines the duration of the scroll animation */
            height: 350vh; 
            position: relative;
            z-index: 10;
        }

        /* Sticky Wrapper: Pins content while parent (.about) scrolls */
        .sticky-wrapper {
            position: sticky;
            top: 0;
            height: 100vh;
            width: 100%;
            overflow: hidden;
        }

        /* Images Container */
        #about-images-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        /* Individual Frame Styles */
        .about-frame {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 0.3s ease;
            will-change: opacity;
        }

        .about-frame.active { opacity: 1; }
        
        /* Overlay */
        .about-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(60, 49, 113, 0.95), rgba(60, 49, 113, 0.85));
            z-index: 2;
            pointer-events: none;
        }

        /* Text Content */
        .about-content {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 3;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            will-change: opacity;
        }

        .about-content a, .about-content button { pointer-events: auto; }

        .about-title {
            margin-top: 3rem;
            font-size: 4.5rem;
            line-height: 1.1;
            color: var(--text-dark);
            font-weight: 400;
        }

        .about-title i {
            font-family: 'Playfair Display', serif;
            font-style: italic;
            color: var(--accent);
        }

        .about-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 3rem;
            font-weight: 300;
        }

        /* Feature Badge Styling */
        .feature-badge {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(5px);
            padding: 10px 25px;
            border-radius: 50px;
            border: 1px solid rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            white-space: nowrap;
        }
        
        .feature-badge:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(60, 49, 113, 0.1);
            border-color: var(--primary);
        }

        /* Button Style */
        .btn-organic {
            display: inline-block;
            padding: 15px 40px;
            border: 1px solid var(--text-dark);
            border-radius: 50px;
            color: var(--text-dark);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            background: transparent;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .btn-organic::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0%;
            height: 100%;
            background-color: var(--primary);
            transition: width 0.25s cubic-bezier(0.19, 1, 0.22, 1);
            z-index: -1;
        }

        .btn-organic:hover {
            color: white;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(60, 49, 113, 0.2);
        }

        .btn-organic:hover::before { width: 100%; }

        /* Scroll Bounce Animation */
        .animate-bounce { animation: bounce 2s infinite; }
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
            40% {transform: translateY(-10px);}
            60% {transform: translateY(-5px);}
        }

        /* Responsive */
        @media (max-width: 1440px) {
            .about-title { font-size: 4rem; }
        }
        @media (max-width: 991px) {
            .about-title { font-size: 3.5rem; }
            .about { height: 250vh; }
        }
        @media (max-width: 768px) {
            .about-title { font-size: 2.5rem; }
            .about-subtitle { font-size: 1rem; padding: 0 20px; }
        }

        /* Feature/Service Cards */
        .feature-card {
            background: white;
            padding: 40px 30px;
            border-radius: 4px;
            border: 1px solid rgba(0,0,0,0.03);
            box-shadow: var(--card-shadow);
            transition: all 0.3s ease;
            height: 100%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--card-hover-shadow);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 25px;
            background: var(--bg-light);
            width: 80px;
            height: 80px;
            line-height: 80px;
            border-radius: 50%;
            display: inline-block;
            transition: all 0.3s;
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: white;
        }

        /* Project Cards */
        .project-card {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            background: white;
            transition: all 0.3s;
        }

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

        .project-img-wrapper {
            position: relative;
            height: 280px;
            overflow: hidden;
        }

        .project-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }

        .project-card:hover .project-img {
            transform: scale(1.1);
        }

        .project-overlay {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(60, 49, 113, 0.8);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s;
            color: white;
            text-align: center;
            padding: 20px;
        }
        .project-overlay h4, p, a{
            color: var(--bg-light);
            z-index: 1111;
        }

        .project-card:hover .project-overlay {
            opacity: 1;
        }

        .project-details {
            padding: 25px;
            text-align: center;
            background: white;
            border-bottom: 4px solid var(--accent);
        }

        .project-tag {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 5px;
            display: block;
        }

        /* Contact Form */
        .contact-container {
            background: white;
            padding: 50px;
            border-radius: 0;
            box-shadow: var(--card-shadow);
            border-top: 5px solid var(--accent);
            
        }

        .form-control, .form-select {
            padding: 15px;
            border-radius: 0;
            border: 1px solid #e0e0e0;
            background-color: #f9f9f9;
            font-family: 'Manrope', sans-serif;
        }

        .form-control:focus, .form-select:focus {
            box-shadow: none;
            border-color: var(--accent);
            background-color: white;
        }

        /* Footer */
        footer {
            background-color: #0d0a19; /* Very dark purple */
            color: #9ca3af;
            padding: 80px 0 30px;
            margin-top: 5rem;
        }

        footer h5 {
            color: white;
            margin-bottom: 25px;
        }

        footer a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .social-btn {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: all 0.3s;
        }

        .social-btn:hover {
            background-color: var(--accent);
            color: white;
            border-color: var(--accent);
        }

        /* Floating WhatsApp */
        .whatsapp-float {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 30px;
            right: 30px;
            background-color: #25d366;
            color: #FFF;
            border-radius: 50%;
            text-align: center;
            font-size: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: transform 0.3s;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
            background-color: #1ebe57;
            color: white;
        }

        @media (max-width: 768px) {
            .section-title { font-size: 2rem; }
            .brand-logo-img { height: 70px; } 
        }