:root {
            --primary-blue: #213A85;
            --accent-orange: #F16C21;
            --light-gray: #f8f9fa;
            --dark-text: #333;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--dark-text);
            scroll-behavior: smooth; 
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
            color: var(--primary-blue);
        }
        .tailwind-config-colors {
            display: none; 
            --tw-color-primary-blue: #213A85;
            --tw-color-accent-orange: #F16C21;
        }
        .bg-primary-blue { background-color: var(--primary-blue); }
        .text-primary-blue { color: var(--primary-blue); }
        .bg-accent-orange { background-color: var(--accent-orange); }
        .text-accent-orange { color: var(--accent-orange); }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        html {
            scroll-behavior: smooth;
        }
        .btn-animate {
            transition: all 0.3s ease;
        }
        .btn-animate:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        /* Hover effect for images/cards */
        .card-hover-effect {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover-effect:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }

        /* Floating WhatsApp icon */
        .whatsapp-float {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 999;
            background-color: #25D366; /* WhatsApp green */
            color: white;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
        }
        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        /* Announcement banner */
        .announcement-banner {
            background-color: var(--accent-orange);
            color: white;
            text-align: center;
            font-size: 0.9rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 1rem;
        }
        .announcement-banner .close-btn {
            background: none;
            border: none;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0 0.5rem;
        }

        /* Accordion styles for Courses page - IMPROVED */
        .accordion-item {
            border: 1px solid #e2e8f0; /* Tailwind's gray-200 */
            border-radius: 0.75rem; /* Rounded corners for the whole item */
            overflow: hidden;
            margin-bottom: 1rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05); /* Soft shadow */
        }
        .accordion-header {
            background-color: white; /* Changed to white for cleaner look */
            padding: 1rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--primary-blue);
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        .accordion-content {
            padding: 0 1.5rem; /* Remove top/bottom padding initially */
            background-color: #fdfdfd; /* Slightly off-white for content */
            overflow: hidden;
            max-height: 0;
            /* Smoother transition */
            transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
        }
        .accordion-item.active .accordion-content {
            max-height: 1000px; /* Adjusted to a large fixed value for full content visibility */
            padding: 1rem 1.5rem; /* Add padding when active */
            /* Smoother transition */
            transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
        }
        .accordion-icon {
            color: var(--accent-orange); /* Orange icon */
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }

        /* Contact Form Styles */
        .contact-form input[type="text"],
        .contact-form input[type="email"],
        .contact-form input[type="tel"],
        .contact-form textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #d1d5db; /* Tailwind's gray-300 */
            border-radius: 0.5rem;
            margin-bottom: 1rem;
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .contact-form input[type="text"]:focus,
        .contact-form input[type="email"]:focus,
        .contact-form input[type="tel"]:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(33, 58, 133, 0.2); /* primary-blue with transparency */
        }
        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }

        /* Navigation Link Hover Effect (Line) */
        .nav-link-line {
            position: relative;
            display: inline-block; /* Essential for ::after positioning */
            padding-bottom: 4px; /* Space for the line */
        }

        .nav-link-line::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-orange);
            transition: width 0.3s ease-out;
        }

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

        /* Hero Slider Specific Styles */
        #heroSliderContainer {
            position: absolute;
            inset: 0;
            overflow: hidden;
            z-index: 0; /* Ensure it's behind the text content */
        }

        #heroSliderWrapper {
            display: flex;
            height: 100%;
            width: 100%;
            transition: transform 0.7s ease-in-out; /* Slower transition for hero */
        }

        .hero-slide {
            flex: 0 0 100%; /* Each slide takes full width */
            width: 100%;
            height: 100%;
            position: relative;
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(33, 58, 133, 0.7), rgba(33, 58, 133, 0.9)); /* Dark blue gradient overlay */
        }

        .hero-slider-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(255, 255, 255, 0.3); /* Lighter, more subtle buttons */
            color: white;
            border: none;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 50%;
            font-size: 1.5rem;
            z-index: 10; /* Above overlay */
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .hero-slider-nav-btn:hover {
            background-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-50%) scale(1.1);
        }

        .hero-slider-nav-btn.prev {
            left: 1rem;
        }

        .hero-slider-nav-btn.next {
            right: 1rem;
        }

        .hero-slider-dots {
            position: absolute;
            bottom: 1.5rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            justify-content: center;
            gap: 0.75rem;
            z-index: 10; /* Above overlay */
        }

        .hero-dot {
            width: 12px;
            height: 12px;
            background-color: rgba(255, 255, 255, 0.5); /* White with transparency */
            border-radius: 50%;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .hero-dot.active {
            background-color: var(--accent-orange); /* Orange when active */
            transform: scale(1.2);
        }

        /* Testimonial Slider Specific Styles */
        .slider-container {
            position: relative;
            max-width: 900px; /* Adjust as needed */
            margin: 0 auto;
            overflow: hidden;
            padding: 0 2rem; /* Added horizontal padding to prevent buttons from being cut */
        }

        .slider-wrapper {
            display: flex;
            transition: transform 0.5s ease-in-out;
            scroll-snap-type: x mandatory; /* For potential native smooth scrolling */
            -webkit-overflow-scrolling: touch; /* For iOS smooth scrolling */
        }

        .testimonial-slide {
            flex: 0 0 100%; /* Each slide takes full width */
            width: 100%; /* Ensure full width */
            scroll-snap-align: start;
            padding: 1rem; /* Add some padding for spacing */
            box-sizing: border-box; /* Include padding in width calculation */
        }

        .slider-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(33, 58, 133, 0.7); /* Primary blue with transparency */
            color: white;
            border: none;
            /* Fixed width and height for perfect circle */
            width: 50px;
            height: 50px;
            display: flex; /* Use flex to center icon */
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 50%;
            font-size: 1.5rem;
            z-index: 10;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .slider-nav-btn:hover {
            background-color: var(--accent-orange);
            transform: translateY(-50%) scale(1.1);
        }

        .slider-nav-btn.prev {
            left: 0; /* Aligned to the edge of the padding */
        }

        .slider-nav-btn.next {
            right: 0; /* Aligned to the edge of the padding */
        }

        .slider-dots {
            display: flex;
            justify-content: center;
            margin-top: 1.5rem;
            gap: 0.75rem;
        }

        .dot {
            width: 12px;
            height: 12px;
            background-color: #ccc;
            border-radius: 50%;
            cursor: pointer;
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .dot.active {
            background-color: var(--accent-orange);
            transform: scale(1.2);
        }

        /* Hide scrollbar for slider container */
        .slider-wrapper::-webkit-scrollbar {
            display: none;
        }
        .slider-wrapper {
            -ms-overflow-style: none;  /* IE and Edge */
            scrollbar-width: none;  /* Firefox */
        }

        @media (max-width: 768px) {
            .slider-nav-btn.prev {
                left: 5px;
            }
            .slider-nav-btn.next {
                right: 5px;
            }
        }

        /* Image Modal Styles */
        .image-modal {
            display: none; /* Hidden by default */
            position: fixed; /* Stay in place */
            z-index: 10000; /* Sit on top */
            left: 0;
            top: 0;
            width: 100%; /* Full width */
            height: 100%; /* Full height */
            overflow: auto; /* Enable scroll if needed */
            background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }

        .image-modal-content {
            margin: auto;
            display: block;
            max-width: 90%;
            max-height: 90%;
            object-fit: contain; /* Ensure image fits within bounds */
        }

        .image-modal-close {
            position: absolute;
            top: 15px;
            right: 35px;
            color: #f1f1f1;
            font-size: 40px;
            font-weight: bold;
            transition: 0.3s;
            cursor: pointer;
        }

        .image-modal-close:hover,
        .image-modal-close:focus {
            color: #bbb;
            text-decoration: none;
            cursor: pointer;
        }

        .image-modal-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            border: none;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 50%;
            font-size: 2rem;
            transition: background-color 0.3s ease;
        }

        .image-modal-nav-btn:hover {
            background-color: rgba(255, 255, 255, 0.4);
        }

        .image-modal-nav-btn.prev {
            left: 20px;
        }

        .image-modal-nav-btn.next {
            right: 20px;
        }