:root {
            --black: #000000;
            --dark-gray: #292929;
            --dark-teal: #02353C;
            --white-gray: #F5F5F5;
            --white: #FFFFFF;
            --green-dark: #2EAF7D;
            --green-bright: #2BC444;
            --green-light: #4AE3A8;
            --green-pale: #E4F5E8;
            --primary-color: #2EAF7D;
            --secondary-color: #2BC444;
            --dark-bg: #02353C;
            --light-bg: #F5F5F5;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Hind Madurai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: #334155;
            line-height: 1.7;
            background: #FAFAFA;
        }
        
        /* Navbar Enhancement */
        .navbar {
            background: var(--dark-bg) !important;
            padding: 1rem 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            backdrop-filter: blur(10px);
        }
        
        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s;
        }
        
        .navbar-brand:hover {
            transform: scale(1.05);
        }
        
        .navbar-brand i {
            color: var(--primary-color);
            font-size: 1.75rem;
        }
        
        .nav-link {
            font-weight: 600;
            padding: 0.5rem 1rem !important;
            border-radius: 8px;
            transition: all 0.3s;
        }
        
        .nav-link:hover, .nav-link.active {
            background: rgba(46, 175, 125, 0.15);
            color: var(--primary-color) !important;
        }
        
        /* Hero Section - Modern gradient with floating elements */
        .hero {
            background: linear-gradient(135deg, var(--dark-teal) 0%, #013840 50%, var(--dark-teal) 100%);
            color: white;
            padding: 80px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(46, 175, 125, 0.15), transparent);
            border-radius: 50%;
            top: -100px;
            right: -100px;
            animation: float 20s infinite ease-in-out;
        }
        
        .hero::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(43, 196, 68, 0.1), transparent);
            border-radius: 50%;
            bottom: -50px;
            left: -50px;
            animation: float 15s infinite ease-in-out reverse;
        }
        
        @keyframes float {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(30px, -30px); }
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        
        .hero .lead {
            font-size: 1.25rem;
            opacity: 0.95;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .location-badge {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            color: white;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .stat-box {
            text-align: center;
            padding: 32px 24px;
            background: white;
            border-radius: 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid rgba(46, 175, 125, 0.1);
        }
        
        .stat-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-color), var(--green-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 12px;
        }
        
        .stat-label {
            color: #64748b;
            font-size: 0.95rem;
            font-weight: 600;
        }
        
        /* Section Styling */
        section {
            padding: 80px 0;
        }
        
        .section-title {
            font-size: 2.75rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--dark-bg);
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--green-light));
            border-radius: 2px;
        }
        
        .section-subtitle {
            font-size: 1.15rem;
            color: #64748b;
            max-width: 800px;
            margin: 0 auto 4rem;
            line-height: 1.8;
        }
        
        /* Enhanced Cards */
        .card {
            border: none;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            height: 100%;
            overflow: hidden;
            background: white;
            position: relative;
        }
        
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--green-light));
            transform: scaleX(0);
            transition: transform 0.4s;
        }
        
        .card:hover::before {
            transform: scaleX(1);
        }
        
        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .card-img-top {
            height: 220px;
            object-fit: fill;
            transition: transform 0.4s;
        }
        
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        
        .card-body {
            padding: 2rem;
        }
        
        .card-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary-color), var(--green-light));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 28px;
            margin-bottom: 1.25rem;
            box-shadow: 0 8px 16px rgba(46, 175, 125, 0.25);
        }
        
        .card-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        
        .card-text {
            font-size: 0.95rem;
            color: #64748b;
            margin-bottom: 1rem;
            line-height: 1.6;
        }
        
        .card-text strong {
            color: var(--dark-bg);
            font-weight: 600;
        }
        
        .difficulty-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, rgba(46, 175, 125, 0.1), rgba(74, 227, 168, 0.1));
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            border: 1px solid rgba(46, 175, 125, 0.2);
        }
        
        .difficulty-stars {
            color: #fbbf24;
            display: flex;
            gap: 2px;
        }
        
        .btn-custom {
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--green-bright));
            color: var(--white);
            border: none;
            box-shadow: 0 4px 12px rgba(46, 175, 125, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .btn-custom::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
        }
        
        .btn-custom:hover::before {
            left: 100%;
        }
        
        .btn-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(46, 175, 125, 0.4);
            color: var(--white);
        }
        
        /* Footer Enhancement */
        footer {
            background: linear-gradient(135deg, var(--dark-bg), #013840);
            color: #94a3b8;
            padding: 20px 0 20px;
            position: relative;
        }
        
        footer h5 {
            color: white;
            font-weight: 700;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }
        
        footer h5::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--primary-color);
            border-radius: 2px;
        }
        
        footer a {
            color: #94a3b8;
            transition: all 0.3s;
            text-decoration: none;
            position: relative;
        }
        
        footer a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s;
        }
        
        footer a:hover {
            color: white;
        }
        
        footer a:hover::after {
            width: 100%;
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .stat-number {
                font-size: 2.5rem;
            }
            
            section {
                padding: 60px 0;
            }
        }
        
        @media (max-width: 480px) {
            .hero {
                padding: 60px 0 40px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 1.75rem;
            }
            
            .card-body {
                padding: 1.5rem;
            }
        }
        
        /* Smooth scroll */
        html {
            scroll-behavior: smooth;
        }