:root {
            --primary-color: #007BFF;
            --primary-hover: #0056b3;
            --background-color: #f4f7fc;
            --text-color: #333;
            --card-bg: #ffffff;
            --heading-color: #1a253c;
            --border-color: #e0e0e0;
            --white: #fff;
        }

        [data-theme="dark"] {
            --primary-color: #4dabf7;
            --primary-hover: #74c0fc;
            --background-color: #121212;
            --text-color: #e0e0e0;
            --card-bg: #1e1e1e;
            --heading-color: #f1f3f5;
            --border-color: #333;
        }

        /* General Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--background-color);
            color: var(--text-color);
            transition: background-color 0.3s, color 0.3s;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        section {
            padding: 60px 0;
        }
        
        /* FIX: Adds top margin when scrolling to an anchor link, preventing navbar overlap */
        section[id] {
            scroll-margin-top: 80px; 
        }

        h2 {
            text-align: center;
            font-size: 2.8rem;
            color: var(--heading-color);
            margin-bottom: 10px;
        }
        
        .section-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--primary-color);
            margin-bottom: 50px;
            font-weight: 600;
        }

        /* Header */
        #main-header {
            background-color: var(--card-bg);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: background-color 0.3s;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 25px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--heading-color);
            font-weight: 600;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary-color);
        }

        .nav-controls {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        /* IMPROVEMENT: Wrapper for proper language select styling */
        .language-select-wrapper {
            position: relative;
        }
        .language-select-wrapper::after {
            content: '▼';
            font-size: 0.6rem;
            color: var(--text-color);
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            transition: color .3s;
        }
        [data-theme="dark"] .language-select-wrapper::after {
            color: var(--text-color);
        }
        
        .language-switcher {
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
            background-color: var(--background-color);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            padding: 8px 30px 8px 12px; /* Added right padding for arrow */
            border-radius: 20px;
            cursor: pointer;
            font-weight: 600;
            font-family: 'Montserrat', sans-serif;
            transition: background-color 0.3s, color 0.3s;
        }
        
        /* Animated Theme Switcher */
        .theme-switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 26px;
        }
        .theme-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .theme-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 26px;
        }
        .theme-slider:before {
            position: absolute;
            content: "";
            height: 20px;
            width: 20px;
            left: 3px;
            bottom: 3px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
        input:checked + .theme-slider {
            background-color: var(--primary-color);
        }
        input:checked + .theme-slider:before {
            transform: translateX(24px);
        }

        .hamburger {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            color: var(--heading-color);
        }
        
        /* Hero Section - Image Slider */
        #hero {
            padding: 0;
            height: calc(100vh - 70px);
            position: relative;
            overflow: hidden;
            color: var(--white);
        }

        .slider-container {
            width: 100%;
            height: 100%;
            display: flex;
            transition: transform 1s ease-in-out;
        }

        .slide {
            min-width: 100%;
            height: 100%;
            position: relative;
        }
        
        .slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .slide-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 20px;
        }

        .slide-content h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
        }

        .slide-content p {
            font-size: 1.2rem;
            max-width: 600px;
        }
        
        /* About Us & Our Mission Sections */
        #about .container, #our-mission .container {
            display: flex;
            gap: 50px;
            align-items: center;
        }

        #our-mission {
            background-color: var(--card-bg);
        }
        
        .about-image {
            flex-basis: 45%;
        }
        
        .about-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .about-content {
            flex-basis: 55%;
        }
        
        .about-content h3 {
            font-size: 1.8rem;
            color: var(--heading-color);
            margin-bottom: 20px;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: var(--white);
            padding: 12px 25px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: var(--primary-hover);
        }
        
        /* What We Do Section */
        .what-we-do-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .what-we-do-card {
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .what-we-do-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .what-we-do-card .icon {
            width: 50px;
            /* font-size: 3rem;
            color: var(--primary-color); */
            margin-bottom: 20px;
        }

        .what-we-do-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--heading-color);
        }

        /* Impact Stats Section */
        #impact {
            background-color: var(--primary-color);
            color: var(--white);
        }
        
        #impact h2, #impact .section-subtitle {
            color: var(--white);
        }

        .impact-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .impact-stat h3 {
            font-size: 3rem;
            font-weight: 700;
        }
        
        .impact-stat p {
            font-size: 1.1rem;
        }

        /* Testimonials Section */
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }
        
        .testimonial-card p:first-of-type {
            font-style: italic;
            margin-bottom: 20px;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .testimonial-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }
        
        .author-info h4 {
            color: var(--heading-color);
        }
        
        .author-info p {
            font-size: 0.9rem;
            color: var(--primary-color);
        }
        
        /* Volunteer Form Section */
        #volunteer {
            background-color: var(--card-bg);
        }

        .volunteer-form {
            max-width: 800px;
            margin: 0 auto;
            background: var(--background-color);
            padding: 40px;
            border-radius: 10px;
        }

        .form-row {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .form-group {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--heading-color);
        }
        
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            background-color: var(--card-bg);
            color: var(--text-color);
        }
        
        .form-group textarea {
            resize: vertical;
            height: 120px;
        }

        /* Footer */
        footer {
            background-color: var(--heading-color);
            color: #a0aec0;
            padding: 40px 0;
            text-align: center;
        }
        
        footer .logo {
            color: var(--white);
        }
        
        footer p {
            margin: 20px 0;
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            #about .container, #our-mission .container {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            h2 { font-size: 2.2rem; }
            .slide-content h1 { font-size: 2.5rem; }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--card-bg);
                padding: 20px;
                text-align: center;
                gap: 20px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            }

            .nav-links.active {
                display: flex;
            }

            .hamburger {
                display: block;
            }

            .impact-container {
                grid-template-columns: 1fr 1fr;
            }
            
            .form-row {
                flex-direction: column;
            }
        }
        
        @media (max-width: 480px) {
            .impact-container {
                grid-template-columns: 1fr;
            }
            .slide-content h1 { font-size: 2rem; }
            .nav-controls { gap: 10px; }
        }