:root {
            --bs-body-bg: #121212;
            --bs-body-color: #e0e0e0;
            --bs-dark-bg: #1e1e1e;
            --bs-primary: #0d6efd;
            --bs-secondary: #6c757d;
            --text-center: center;
        }
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    height: 100vh;
    width: 100vw;
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    padding: 15px 15px;
}
h1 {
    text-align: var(--text-center);
}
header .header-top .header-top-left a img {
    height: 50px;
    width: 50px;
    border-radius: 50%;
}
header .header-top .header-top-left a {
    color: #f0f0f0;
    font-weight: bold;
    display: flex;
    align-items: var(--text-center);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    gap: 0.5rem;
}
#openMenu {
    border: none;
    font-size: 1.4rem;
    background: none;
    color: #fff;
    padding: 10px 10px;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: var(--text-center);
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("https://www.blindtechcommunity.in/images/placeholder.png") no-repeat center;
            background-size: cover;
            padding: 8rem 0;
            text-align: var(--text-center);
            margin-bottom: 3rem;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: white;
        }
        
        .hero p {
            font-size: 1.5rem;
            color: #f0f0f0;
        }
        
        section {
            padding: 4rem 0;
        }
        
        h2 {
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid var(--bs-primary);
            color: var(--bs-primary);
        }
        
        .course-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        
        .course-card {
            background-color: var(--bs-dark-bg);
            border-radius: 0.5rem;
            padding: 1.5rem;
            transition: transform 0.3s ease;
            border: 1px solid #333;
        }
        
        .course-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        
        .course-card h3 {
            color: var(--bs-primary);
            margin-bottom: 1rem;
        }
        
        .stats {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin-top: 3rem;
        }
        
        .stat-item {
            text-align: var(--text-center);
            padding: 1.5rem;
            background-color: var(--bs-dark-bg);
            border-radius: 0.5rem;
            min-width: 150px;
            margin: 0.5rem;
            border: 1px solid #333;
        }
        
        .number {
            display: block;
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--bs-primary);
        }
        
        .label {
            font-size: 1rem;
            color: var(--bs-secondary);
        }
        
        .mission-box {
            background-color: var(--bs-dark-bg);
            padding: 2rem;
            border-radius: 0.5rem;
            border-left: 5px solid var(--bs-primary);
            margin-bottom: 2rem;
        }
        
        .approach-item {
            display: flex;
            margin-bottom: 2rem;
            background-color: var(--bs-dark-bg);
            padding: 1.5rem;
            border-radius: 0.5rem;
        }
        
        .approach-icon {
            font-size: 2rem;
            color: var(--bs-primary);
            margin-right: 1.5rem;
            min-width: 50px;
        }
        
        .unique-features {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        
        .feature-card {
            background-color: var(--bs-dark-bg);
            padding: 1.5rem;
            border-radius: 0.5rem;
            border-top: 3px solid var(--bs-primary);
        }
                .footer {
            background-color: #1a1a1a;
            color: #f8f9fa;
        }
        .footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: #ffffff;
        }
        .footer-heading {
            color: #ffffff;
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-bottom {
            background-color: var(--bs-body-bg);;
            padding: 1rem 0;
        }
        .social-icon {
            display: inline-flex;
            align-items: var(--text-center);
            justify-content: var(--text-center);
            width: 40px;
            height: 40px;
            background-color: #2c2c2c;
            border-radius: 50%;
            margin-right: 0.5rem;
            transition: all 0.3s;
        }
        .social-icon:hover {
            background-color: #3a3a3a;
            transform: translateY(-3px);
        }
        .contact-info i {
            margin-right: 0.5rem;
            color: #6c757d;
            width: 20px;
            text-align: var(--text-center);
        }
        .quick-links li {
            margin-bottom: 0.5rem;
        }
        .donate-btn {
            background-color: #0d6efd;
            border: none;
        }
        .donate-btn:hover {
            background-color: #0b5ed7;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        header ul {
            list-style: none;
            padding: 20px;
            position: fixed;
            left: 0;
            top: 0;
            background: var(--bs-dark-bg);
        }
        header ul li {
            margin: 6px 0;
        }
        header ul li a {
            text-decoration: none;
            padding: 10px 10px;
            font-size: 1.1rem;
        }
        #textAlert {
            font-size: 0px;
        }
                .section-header {
            position: relative;
            padding-bottom: 10px;
            margin-bottom: 30px;
        }
        .section-header:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, #0d6efd, #6c757d);
        }
        .highlight-box {
            background-color: rgba(13, 110, 253, 0.1);
            border-left: 4px solid #0d6efd;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 5px 5px 0;
        }
        .timeline-item {
            position: relative;
            padding-left: 30px;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: #0d6efd;
        }
        .timeline-item:after {
            content: '';
            position: absolute;
            left: 7px;
            top: 20px;
            width: 1px;
            height: calc(100% - 15px);
            background-color: #6c757d;
        }
        .timeline-item:last-child:after {
            display: none;
        }
        .feature-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: #0d6efd;
        }
        .nav-pills .nav-link.active {
            background-color: #0d6efd;
        }
        .nav-pills .nav-link {
            color: #adb5bd;
        }
        #loginModal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 400px;
    background-color: #343a40;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: white;
    z-index: 1000;
}

#loginModal::backdrop {
    background-color: rgba(0, 0, 0, 0.7);
}

#loginModal .modal-content {
    background: transparent;
    border: none;
}

#loginModal h3 {
    margin-bottom: 1rem;
    color: #fff;
}

#loginModal button {
    width: 100%;
    max-width: 250px;
}