: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, h4, h5, h6 { 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 - Solid for Inner Pages */
        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; flex-direction: row; }
        .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;
            box-shadow: 0 4px 10px rgba(255, 150, 53, 0.3);
        }
        .btn-helpline i { font-size: 18px; }
        .btn-text .label { font-size: 10px; text-transform: uppercase; display: block; line-height: 1; }
        .btn-text .phone { font-size: 14px; font-weight: 700; }

        /* Inner Page Banner */
        .inner-banner {
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
                        url('../../img/heroimg/bgcoursedetails.png') center/cover;
            padding: 80px 0;
            color: white;
        }
        .inner-banner h1 { color: white; font-size: 48px; margin-bottom: 10px; }
        .breadcrumb { font-size: 14px; opacity: 0.8; }
        .breadcrumb a { color: white; margin-right: 5px; }
        .breadcrumb span { color: var(--primary); margin-left: 5px; }

        /* Main Content Layout */
        .page-content { padding: 80px 0; }
        .content-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; }

        .main-article h2 { font-size: 32px; margin-bottom: 20px; color: var(--secondary); }
        .main-article p { margin-bottom: 20px; font-size: 16px; color: #444; }
        .main-article img { width: 100%; border-radius: 10px; margin: 20px 0; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
        
        .course-highlights { 
            background: var(--bg-gray); 
            padding: 30px; 
            border-radius: 8px; 
            margin: 30px 0; 
            border-left: 5px solid var(--primary);
        }
        .course-highlights h4 { margin-bottom: 15px; }
        .course-highlights ul li { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
        .course-highlights i { color: var(--secondary); }

        /* Sidebar */
        .sidebar-widget { background: var(--white); border: 1px solid #eee; padding: 30px; border-radius: 8px; margin-bottom: 30px; }
        .sidebar-widget h3 { font-size: 20px; margin-bottom: 20px; border-bottom: 2px solid var(--primary); display: inline-block; padding-bottom: 5px; }
        .sidebar-links li { padding: 12px 0; border-bottom: 1px solid #f2f2f2; }
        .sidebar-links a { color: var(--text-dark); font-weight: 600; display: block; }
        .sidebar-links a:hover { color: var(--secondary); padding-left: 5px; }

        .apply-sidebar-box { 
            background: var(--secondary); 
            color: white; 
            padding: 30px; 
            border-radius: 8px; 
            text-align: center; 
        }
        .apply-sidebar-box h3 { color: white; margin-bottom: 15px; }
        .apply-sidebar-box .btn-cta { background: var(--primary); color: white; padding: 12px 25px; border-radius: 50px; display: inline-block; font-weight: bold; margin-top: 15px; }

        /* Footer */
        footer { padding: 80px 0 20px; background: var(--white); border-top: 1px solid #eee; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 80px; margin-bottom: 50px; }
        .footer-grid h3 { font-size: 18px; margin-bottom: 20px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: var(--text-dark); font-size: 14px; }
        .social-icons { display: flex; gap: 15px; margin-top: 20px; }
        .bottom-bar { border-top: 1px solid #eee; padding-top: 20px; font-size: 13px; color: #888; }

        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
            .nav-menu { display: none; }
            .inner-banner h1 { font-size: 32px; }
        }