:root {
            --pratham-blue: #0056a6;
            --pratham-light-blue: #e6f0fa;
            --pratham-orange: #f58220;
            --pratham-green: #8bc34a;
            --pratham-gray: #4a4a4a;
            --transition-speed: 0.3s;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--pratham-gray);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--pratham-blue);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .section-padding {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
        }
        .hero-section {
            background: linear-gradient(rgba(0, 86, 166, 0.85), rgba(0, 86, 166, 0.9)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .btn-pratham {
            background-color: var(--pratham-orange);
            border-color: var(--pratham-orange);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-speed);
        }
        .btn-pratham:hover {
            background-color: #e67300;
            border-color: #e67300;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            color: white;
        }
        .card-hover {
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 86, 166, 0.15);
        }
        .icon-container {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background-color: var(--pratham-light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--pratham-blue);
            font-size: 1.8rem;
        }
        .nav-link {
            font-weight: 600;
            color: var(--pratham-gray);
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: all var(--transition-speed);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--pratham-blue);
            background-color: var(--pratham-light-blue);
        }
        .navbar-brand {
            font-weight: 800;
            color: var(--pratham-blue);
            font-size: 1.8rem;
        }
        .impact-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--pratham-blue);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .impact-label {
            font-size: 1.2rem;
            color: var(--pratham-gray);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .testimonial-card {
            background-color: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            height: 100%;
            border-top: 5px solid var(--pratham-orange);
        }
        .flink {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            background-color: var(--pratham-light-blue);
            border-radius: 8px;
            color: var(--pratham-blue);
            text-decoration: none;
            font-weight: 600;
            transition: all var(--transition-speed);
            border: 2px solid transparent;
        }
        .flink:hover {
            background-color: var(--pratham-blue);
            color: white;
            border-color: var(--pratham-blue);
            transform: scale(1.05);
        }
        footer {
            background-color: #1a2a3a;
            color: #e0e0e0;
        }
        footer a {
            color: #b0d0ff;
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            background-color: #0d1a26;
            padding: 1.5rem 0;
            font-size: 0.9rem;
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            transition: all var(--transition-speed);
        }
        .program-tab {
            border: none;
            padding: 1rem 2rem;
            background-color: #f8f9fa;
            border-radius: 8px 8px 0 0;
            font-weight: 600;
            color: var(--pratham-gray);
            transition: all var(--transition-speed);
            margin-right: 0.5rem;
        }
        .program-tab.active, .program-tab:hover {
            background-color: var(--pratham-blue);
            color: white;
        }
        .timeline-item {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 3rem;
            border-left: 3px solid var(--pratham-orange);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -10px;
            top: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: var(--pratham-orange);
        }
        .contact-info-box {
            background-color: var(--pratham-light-blue);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            height: 100%;
            transition: transform var(--transition-speed);
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
        }
        .contact-icon {
            font-size: 2.5rem;
            color: var(--pratham-blue);
            margin-bottom: 1rem;
        }
        .form-control, .form-select {
            border-radius: 8px;
            border: 1px solid #ced4da;
            padding: 0.8rem 1rem;
            transition: all var(--transition-speed);
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--pratham-blue);
            box-shadow: 0 0 0 0.25rem rgba(0, 86, 166, 0.25);
        }
        .img-hover-zoom {
            overflow: hidden;
            border-radius: 12px;
        }
        .img-hover-zoom img {
            transition: transform 0.5s ease;
            width: 100%;
        }
        .img-hover-zoom:hover img {
            transform: scale(1.05);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--pratham-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-speed);
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 86, 166, 0.3);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--pratham-orange);
            color: white;
            transform: translateY(-5px);
        }