/* Our Impact Section */
        .impact-section {
            /*max-width: 1200px;
            margin: 0 auto 80px auto;*/
            text-align: center;
            background: #f8fafc;
            padding: 80px 20px;
        }

        .impact-title {
            font-size: 3rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 1rem;
        }

        .impact-subtitle {
            font-size: 1.2rem;
            color: #64748b;
            margin-bottom: 4rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .stat-card {
            background: white;
            border-radius: 12px;
            padding: 2.5rem 2rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

        .stat-number {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, #3b82f6, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card:nth-child(2) .stat-number {
            background: linear-gradient(135deg, #06b6d4, #0891b2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card:nth-child(3) .stat-number {
            background: linear-gradient(135deg, #3b82f6, #3b82f6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-card:nth-child(4) .stat-number {
            /*background: linear-gradient(135deg, #f59e0b, #d97706);*/
            background: linear-gradient(135deg, #06b6d4, #0891b2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 1.1rem;
            color: #64748b;
            font-weight: 500;
        }

        /* Activity Cards Section */
        .activities-section {
            max-width: 1350px;
            margin: 0 auto;
            padding: 50px 0px;
        }

        .activities-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #1e293b;
            text-align: center;
            margin-bottom: 3rem;
        }

        .activities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .activity-card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

        .activity-badge {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            margin: 1.5rem 1.5rem 1rem 1.5rem;
        }

        .workshop-badge {
            background: #dbeafe;
            color: #1e40af;
        }

        .competition-badge {
            background: #fef3c7;
            color: #92400e;
        }

        .seminar-badge {
            background: #d1fae5;
            color: #065f46;
        }

        .activity-content {
            padding: 0 1.5rem 1.5rem 1.5rem;
        }

        .activity-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 0.75rem;
        }

        .activity-description {
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .activity-details {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .detail-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #64748b;
            font-size: 0.875rem;
        }

        .detail-icon {
            font-size: 1rem;
        }

        .register-btn {
            background: #3b82f6;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: all 0.2s ease;
            font-size: 0.95rem;
        }

        .register-btn:hover {
            background: #2563eb;
            transform: translateY(-1px);
        }

        /* Modal Popup */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
        }

        .modal-content {
            background-color: white;
            margin: 5% auto;
            padding: 0;
            border-radius: 16px;
            width: 90%;
            max-width: 600px;
            max-height: 80vh;
            overflow-y: auto;
            animation: modalSlideIn 0.3s ease-out;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-50px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .modal-header {
            padding: 2rem 2rem 1rem 2rem;
            border-bottom: 1px solid #e2e8f0;
            position: relative;
        }

        .modal-badge {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .modal-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1e293b;
            margin-bottom: 1rem;
        }

        .modal-description {
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .modal-details {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .modal-detail-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #64748b;
            font-size: 0.95rem;
        }

        .modal-body {
            padding: 0 2rem 2rem 2rem;
        }

        .modal-extended-content {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }

        .modal-extended-content h4 {
            color: #1e293b;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .modal-extended-content p {
            color: #64748b;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .modal-extended-content ul {
            color: #64748b;
            padding-left: 1.25rem;
        }

        .modal-extended-content li {
            margin-bottom: 0.5rem;
        }

        .close {
            position: absolute;
            right: 1rem;
            top: 1rem;
            color: #94a3b8;
            font-size: 2rem;
            font-weight: bold;
            cursor: pointer;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.2s ease;
        }

        .modal-photos {
            margin-bottom: 1.5rem;
        }

        .photos-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .photo-item {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        .photo-item:hover {
            transform: scale(1.02);
        }

        .photo-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .photo-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
            color: white;
            padding: 0.5rem;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Photo lightbox */
        .lightbox {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
        }

        .lightbox-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            max-width: 90%;
            max-height: 90%;
        }

        .lightbox img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .lightbox-close {
            position: absolute;
            top: 20px;
            right: 35px;
            color: white;
            font-size: 40px;
            font-weight: bold;
            cursor: pointer;
        }

        .confirm-register-btn {
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: all 0.2s ease;
            font-size: 1rem;
        }

        .confirm-register-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.3);
        }

        /* Stay Updated Section */
        .stay-updated-section {
            /* background: linear-gradient(135deg, #3b4cb8, #2563eb); */
            background: linear-gradient(135deg, #2d5aa9 0%, #1e3c72 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
            /*margin-top: 4rem;*/
        }

        .stay-updated-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .stay-updated-subtitle {
            font-size: 1.2rem;
            max-width: 850px;
            margin: 0 auto 3rem auto;
            line-height: 1.6;
            opacity: 0.95;
        }

        .social-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            justify-items: center;
            align-items: center;
            align-content: center;
            flex-wrap: wrap;
        }

        .social-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1rem;
            border: 2px solid transparent;
            max-width: 20rem;
        }

        .instagram-btn {
            background: white;
            color: #3b4cb8;
            box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
        }

        .instagram-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
            background: #f8fafc;
        }

        .linkedin-btn {
            background: transparent;
            color: white;
            border-color: rgba(255, 255, 255, 0.3);
        }

        .linkedin-btn:hover {
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
        }

        .social-icon {
            width: 20px;
            height: 20px;
        }

        @media (max-width: 768px) {
            .impact-title {
                font-size: 2.5rem;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stat-number {
                font-size: 2.5rem;
            }

            .activities-grid {
                grid-template-columns: 1fr;
            }

            .modal-details {
                grid-template-columns: 1fr;
            }

            .modal-content {
                margin: 10% auto;
                width: 95%;
            }

            .social-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .social-btn {
                justify-content: center;
            }

            .stay-updated-title {
                font-size: 2rem;
            }
        }