body {
            font-family: 'Poppins', sans-serif;
            background-color: #f8fafc; 
            color: #1f2937;
        }
        .font-display {
            font-family: 'Playfair Display', serif;
        }
        .cta-button {
            transition: all 0.3s ease;
        }
        .cta-button:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 7px 20px rgba(59, 130, 246, 0.4);
        }
        .cta-button:active {
            transform: translateY(-1px) scale(1.02);
        }
        .service-card {
            transition: all 0.3s ease;
            border: 1px solid #e5e7eb;
            cursor: pointer;
        }
        .service-card:hover {
            transform: translateY(-8px);
            border-color: #3b82f6;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .service-card .service-icon {
            transition: transform 0.3s ease;
        }
        .service-card:hover .service-icon {
            transform: scale(1.15) rotate(-10deg);
        }
        
        .testimonial-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            animation: waterFloat 6s ease-in-out infinite;
        }
        
        .testimonial-card::before {
            content: ''; position: absolute; top: 0; left: -100%;
            width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.6s ease;
        }
        
        .testimonial-card:hover::before { left: 100%; }
        
        .testimonial-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
            border-color: rgba(0, 166, 251, 0.5);
        }
        
        .testimonial-card::after {
            content: ''; position: absolute; bottom: 0; left: 0;
            width: 100%; height: 3px;
            background: linear-gradient(90deg, transparent, rgba(0, 166, 251, 0.3), transparent);
            animation: waveEffect 4s ease-in-out infinite;
        }

        .testimonial-card:nth-child(1) { animation-delay: 0s; }
        .testimonial-card:nth-child(2) { animation-delay: 0.5s; }
        .testimonial-card:nth-child(3) { animation-delay: 1s; }
        .testimonial-card:nth-child(4) { animation-delay: 1.5s; }
        .testimonial-card:nth-child(5) { animation-delay: 2s; }
        .testimonial-card:nth-child(6) { animation-delay: 2.5s; }

        /* ✅ START: NEW & ENHANCED POP-UP STYLES */
        .popup-overlay {
            transition: opacity 0.4s ease-in-out;
        }
        .popup-box {
            background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.05);
            animation: fadeInUp 0.6s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px) scale(0.98);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        .popup-box::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0) 70%);
            transform: translate(-50%, -50%);
            animation: rotate-glow 20s linear infinite;
            z-index: 0;
        }
        @keyframes rotate-glow {
            from { transform: translate(-50%, -50%) rotate(0deg); }
            to { transform: translate(-50%, -50%) rotate(360deg); }
        }
        .popup-content {
            position: relative;
            z-index: 1;
        }
        .popup-icon-container {
            width: 90px;
            height: 90px;
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem auto;
            color: white;
            box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
            animation: icon-pulse 2.5s ease-in-out infinite;
        }
        @keyframes icon-pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        .popup-close-btn {
    position: absolute; /* This was missing but implied. Let's be explicit. */
    top: 1rem; /* 16px */
    right: 1rem; /* 16px */
    width: 36px;
    height: 36px;
    background-color: #f1f5f9;
    color: #4b5563; /* Explicitly set color */
    border-radius: 50%;
    cursor: pointer; /* Provides better user feedback */
    display: flex; /* Ensures the 'x' is centered */
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10; /* ✅ THIS IS THE CRITICAL FIX */
}

.popup-close-btn:hover {
    background-color: #e2e8f0;
    transform: rotate(90deg) scale(1.1); /* Added scale for better effect */
    color: #1f2937;
}
        /* ✅ END: NEW & ENHANCED POP-UP STYLES */
        @keyframes bounceIn {
            0% { opacity: 0; transform: scale(0.5) translateY(-50px); }
            60% { opacity: 1; transform: scale(1.05) translateY(0); }
            80% { transform: scale(0.95); }
            100% { opacity: 1; transform: scale(1); }
        }
        .text-gradient {
            background: linear-gradient(45deg, #60a5fa, #3b82f6, #2563eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .scroll-progress-container {
            width: 100%; height: 4px; background-color: #4b5563;
            position: absolute; bottom: 0; left: 0;
        }
        .scroll-progress-bar {
            height: 4px; background: linear-gradient(90deg, #3b82f6, #60a5fa); width: 0%;
        }
        
        .hero-section {
            position: relative; overflow: hidden; background-color: #111827;
        }
        .hero-slide {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background-size: cover; background-position: center;
            opacity: 0; transition: opacity 1.5s ease-in-out; z-index: 0;
        }
        .hero-slide.active { opacity: 1; }
        
        .dynamic-word-container {
            display: inline-block; position: relative; vertical-align: bottom;
            height: 1.2em; overflow: hidden; transition: width 1s ease-in-out;
            min-width: 200px;
        }
        .dynamic-word {
            position: absolute; left: 0; top: 0; white-space: nowrap;
            opacity: 0; width: 0; overflow: hidden; border-right: transparent;
        }
        .dynamic-word.type-in {
            animation: typeIn 1.5s steps(15) forwards; opacity: 1 !important;
            border-right: 2px solid rgba(255, 255, 255, 0.8) !important;
        }
        .dynamic-word.type-out {
            animation: typeOut 1s steps(15) forwards; opacity: 1 !important;
            border-right: 2px solid rgba(255, 255, 255, 0.8) !important;
        }
        .dynamic-word.reset {
            animation: none !important; opacity: 0 !important; width: 0 !important;
            border-right: transparent !important;
        }
        .dynamic-word.active {
            animation: none !important; opacity: 1 !important; width: 100% !important;
            border-right: transparent !important;
        }
        @keyframes typeIn {
            0% { width: 0; border-right: 2px solid rgba(255, 255, 255, 0.8); }
            85% { width: 100%; border-right: 2px solid rgba(255, 255, 255, 0.8); }
            100% { width: 100%; border-right: transparent; }
        }
        @keyframes typeOut {
            0% { width: 100%; border-right: transparent; }
            15% { border-right: 2px solid rgba(255, 255, 255, 0.8); }
            100% { width: 0; border-right: 2px solid rgba(255, 255, 255, 0.8); }
        }

        header { backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); transition: all 0.3s ease; }
        header:hover { background: rgba(17, 24, 39, 0.98); }
        .mobile-menu { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); transform: translateY(-100%); opacity: 0; }
        .mobile-menu.show { transform: translateY(0); opacity: 1; }
        
        .feature-section {
            background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
            position: relative; overflow: hidden;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 20px;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative; overflow: hidden;
            animation: waterFloat 6s ease-in-out infinite;
        }
        .feature-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
            border-color: rgba(0, 166, 251, 0.5);
        }
        .feature-card::before {
            content: ''; position: absolute; top: 0; left: -100%;
            width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.6s ease;
        }
        .feature-card:hover::before { left: 100%; }
        .feature-card::after {
            content: ''; position: absolute; bottom: 0; left: 0;
            width: 100%; height: 3px;
            background: linear-gradient(90deg, transparent, rgba(0, 166, 251, 0.3), transparent);
            animation: waveEffect 4s ease-in-out infinite;
        }
        @keyframes waveEffect {
            0%, 100% { transform: translateX(-100%); opacity: 0; }
            50% { transform: translateX(100%); opacity: 1; }
        }
        .feature-card:nth-child(1) { animation-delay: 0s; }
        .feature-card:nth-child(2) { animation-delay: 0.5s; }
        .feature-card:nth-child(3) { animation-delay: 1s; }
        .feature-card:nth-child(4) { animation-delay: 1.5s; }
        .feature-card:nth-child(5) { animation-delay: 2s; }
        .feature-card:nth-child(6) { animation-delay: 2.5s; }
        .feature-card:nth-child(7) { animation-delay: 3s; }
        .feature-card:nth-child(8) { animation-delay: 3.5s; }
        @keyframes waterFloat {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            25% { transform: translateY(-8px) rotate(0.5deg); }
            50% { transform: translateY(-3px) rotate(-0.3deg); }
            75% { transform: translateY(-6px) rotate(0.2deg); }
        }

        /* --- Mobile Menu Styles (Missing Code) --- */
.mobile-menu-button {
    transition: all 0.3s ease;
}

.mobile-menu-button:hover {
    transform: scale(1.1);
    color: #60a5fa !important;
}

.hamburger-icon {
    transition: all 0.3s ease;
}

/* This class is added by JavaScript to rotate the icon */
.mobile-menu-button.active .hamburger-icon {
    transform: rotate(90deg);
}

.mobile-menu {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-100%);
    opacity: 0;
}

/* This class is added by JavaScript to show the menu */
.mobile-menu.show {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu a {
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    background: rgba(96, 165, 250, 0.1) !important;
    color: #60a5fa !important;
    transform: translateX(10px);
}

/* --- Floating WhatsApp Button - Premium & Attractive --- */
.floating-whatsapp-btn {
    /* --- Basic Setup --- */
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    border-radius: 50%;
    z-index: 1000;
    
    /* --- 1. Gradient & Icon Styling --- */
    background: linear-gradient(45deg, #25D366, #128C7E);
    color: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    
    /* --- 2. Animations --- */
    /* Initial pop-in animation, followed by the pulse */
    animation: pop-in 0.5s ease-out, whatsapp-pulse 2s 1s infinite cubic-bezier(0.66, 0, 0, 1);
    
    /* --- 3. Transitions & Shadow --- */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* --- 4. Tooltip on Hover --- */
.floating-whatsapp-btn::after {
    content: 'Chat on WhatsApp';
    position: absolute;
    right: 75px; /* Position to the left of the button */
    top: 50%;
    transform: translateY(-50%) scale(0.9);
    background: #bcd9eb;
    color: rgb(27, 180, 240);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* --- 5. Hover Effects --- */
.floating-whatsapp-btn:hover {
    transform: scale(1.15) translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    animation-play-state: paused; /* Pause the pulse on hover */
}

.floating-whatsapp-btn:hover::after {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

/* --- Animation Keyframes --- */
@keyframes pop-in {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5), 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0), 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 5px 15px rgba(0, 0, 0, 0.2);
    }
}