:root {
            --primary: #ff9635; /* Orange */
            --secondary: #007991; /* Teal */
            --text-dark: #22323d;
            --heading: #000000;
            --bg-gray: #ecf0f2;
            --white: #ffffff;
        }

        /* Basic Resets */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Open Sans', sans-serif; line-height: 1.6; color: var(--text-dark); background-color: var(--white); }
        h1, h2, h3 { font-family: 'Poppins', sans-serif; font-weight: 600; color: var(--heading); }
        a { text-decoration: none; transition: 0.3s; }
        ul { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Navigation Header */
        header { background: var(--secondary); padding: 15px 0; width: 100%; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .nav-menu { display: flex; gap: 30px; }
        .nav-menu a { color: white; font-weight: 500; font-size: 14px; }
        .nav-menu a:hover { color: var(--primary); }

        .btn-helpline {
            display: inline-flex; align-items: center; gap: 12px; background: var(--primary);
            color: white; padding: 8px 20px; border-radius: 50px;
        }
        .btn-text .label { font-size: 10px; text-transform: uppercase; display: block; line-height: 1; }
        .btn-text .phone { font-size: 14px; font-weight: 700; }

        /* Page Banner */
        .inner-banner {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 
                        url('../../img/heroimg/bgcoursedetails.png') center/cover;
            padding: 80px 0; color: white; text-align: center;
        }
        .inner-banner h1 { color: white; font-size: 48px; margin-bottom: 10px; }
        .breadcrumb { font-size: 14px; opacity: 0.8; }
        .breadcrumb a { color: white; }
        .breadcrumb span { color: var(--primary); margin-left: 5px; }

        /* Gallery Section */
        .gallery-section { padding: 80px 0; background-color: var(--bg-gray); }
        .gallery-intro { text-align: center; max-width: 700px; margin: 0 auto 50px; }
        
        /* Grid Layout */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 20px;
        }

        .gallery-item {
            position: relative;
            height: 280px;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        /* Hover Overlay */
        .gallery-overlay {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0, 121, 145, 0.8); /* Teal with opacity */
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
            color: white;
            padding: 20px;
            text-align: center;
        }

        .gallery-item:hover img { transform: scale(1.1); }
        .gallery-item:hover .gallery-overlay { opacity: 1; }

        .gallery-overlay h4 { color: white; font-size: 18px; margin-bottom: 5px; }
        .gallery-overlay p { font-size: 13px; opacity: 0.9; }

        /* Footer */
        footer { padding: 80px 0 20px; border-top: 1px solid #eee; background: var(--white); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 80px; margin-bottom: 50px; }
        .social-icons { display: flex; gap: 15px; margin-top: 20px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: var(--text-dark); font-size: 14px; }
        .bottom-bar { border-top: 1px solid #eee; padding-top: 20px; font-size: 13px; color: #888; }

        @media (max-width: 768px) {
            .gallery-grid { grid-template-columns: 1fr; }
            .nav-menu { display: none; }
            .inner-banner h1 { font-size: 32px; }
        }