@import url('https://fonts.googleapis.com/css?family=Poppins:200,300,400,500,600,700,800,900&display=swap');

        :root {
        --primary-color: #6366f1;
        --primary-hover: #4f46e5;
        --secondary-color: #f43f5e;
        --text-color: #1f2937;
        --light-text: #6b7280;
        --background: #f9fafb;
        --card-bg: #ffffff;
        --border-color: #e5e7eb;
        --success-color: #10b981;
        --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        --radius: 8px;
        }

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

        body {

        font-family: 'Poppins', 'Arial', sans-serif !important;
        /* font-family: 'Arial', sans-serif; */
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        min-height: 100vh;
        /* display: flex; */
        justify-content: center;
        align-items: center;
        /* overflow: hidden; */
        /* padding: 20px */
        /* font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        background: linear-gradient(135deg, #f3e7ff 0%, #e0f2fe 100%);
        min-height: 100vh;
        padding: 20px; */
        }


        /* NAVIGATION BAR */
        .navbar {
        background: #f8f9fa;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        padding: 0 2rem;
        position: sticky;
        top: 0;
        z-index: 100;
        }

        .nav-container {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 70px;
        }

        .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: #2563eb;
        }

        .nav-menu {
        display: flex;
        align-items: center;
        gap: 2rem;
        list-style: none;
        }

        .nav-link {
        text-decoration: none;
        color: #4b5563;
        font-weight: 500;
        transition: color 0.3s ease;
        position: relative;
        }

        .nav-link:hover {
        color: #2563eb;
        }

        .nav-link::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: #2563eb;
        transition: width 0.3s ease;
        }

        .navbar .nav-link::after {
        background-color: #6878e1;
        }

        .nav-link:hover::after {
        width: 100%;
        }

        .home-button {
        background: linear-gradient(135deg, #2563eb, #1d4ed8);
        color: white;
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        text-decoration: none;
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .home-button:hover {
        background: linear-gradient(135deg, #1d4ed8, #1e40af);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }

        .mobile-toggle {
        display: none;
        flex-direction: column;
        cursor: pointer;
        gap: 4px;
        }

        .mobile-toggle span {
        width: 25px;
        height: 3px;
        background-color: #4b5563;
        transition: 0.3s;
        }

        /* Mobile responsiveness */
        @media (max-width: 1024px) {
            #participants-container {
                display: block;
            }

            #participants-container.d-none {
                display: none;
            }
        }

        @media (max-width: 768px) {
        .mobile-toggle {
            display: flex;
        }

        .nav-menu {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background: white;
            flex-direction: column;
            justify-content: flex-start;
            align-items: center;
            padding-top: 2rem;
            transition: left 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .nav-menu.active {
            left: 0;
        }

        .nav-menu li {
            margin: 1rem 0;
        }

        .nav-container {
            padding: 0 1rem;
        }
        }

        /* END NAVIGATION BAR */

        /* Modal actions */

        button {
        padding: 1rem 1rem;
        background-color: var(--primary-color);
        /* color: white; */
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        font-weight: 500;
        transition: background-color 0.2s ease;
        }

        button:hover {
        background-color: var(--primary-hover);
        }

        .secondary-btn {
        background-color: #e5e7eb;
        color: var(--text-color);
        }

        .secondary-btn:hover {
        background-color: #d1d5db;
        }

        .danger-btn {
        background-color: #ef4444;
        color: white;
        }

        .danger-btn:hover {
        background-color: #dc2626;
        }

        .primary-btn {
        display: block;
        width: 100%;
        padding: 0.75rem;
        background-color: var(--primary-color);
        color: white;
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        font-weight: 500;
        transition: background-color 0.2s ease;
        }

        .primary-btn:hover {
        background-color: var(--primary-hover);
        }

        .modal-actions {
        display: flex;
        gap: 0.5rem;
        margin-top: 1rem;
        }

        .modal-actions button {
        flex: 1;
        }

        .close-btn {
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--light-text);
        }

        .container {
        max-width: 1200px;
        margin: 100px auto;
        }

        .header {
        text-align: center;
        margin-bottom: 40px;
        }

        .header h1 {
        font-size: 3rem;
        font-weight: bold;
        color: #fff;
        margin-bottom: 10px;
        }

        .header p {
        color: #eee;
        font-size: 1.1rem;
        }

        .main-content {
        display: grid;
        grid-template-columns: 1fr 2fr 1fr;
        gap: 40px;
        align-items: start;
        }

        .card {
        background: white;
        border-radius: 12px;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        padding: 24px;
        }

        .card h3 {
        font-size: 1.2rem;
        font-weight: 600;
        margin-bottom: 20px;
        color: #374151;
        }

        .input-section {
        display: flex;
        gap: 10px;
        margin-bottom: 20px;
        }

        .input-field {
        flex: 1;
        padding: 12px;
        border: 2px solid #e5e7eb;
        border-radius: 8px;
        font-size: 1rem;
        outline: none;
        transition: border-color 0.2s;
        }

        .input-field:focus {
        border-color: #8b5cf6;
        }

        .btn {
        padding: 12px 16px;
        border: none;
        border-radius: 8px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
        font-size: 1rem;
        }

        .btn-primary {
        background: #8b5cf6;
        color: white;
        }

        .btn-primary:hover:not(:disabled) {
        background: #7c3aed;
        }

        .btn-primary:disabled {
        background: #d1d5db;
        cursor: not-allowed;
        }

        .btn-outline {
        background: white;
        color: #6b7280;
        border: 2px solid #e5e7eb;
        }

        .btn-outline:hover {
        background: #f9fafb;
        }

        .btn-danger {
        background: transparent;
        color: #ef4444;
        border: none;
        padding: 8px;
        }

        .btn-danger:hover {
        color: #dc2626;
        background: #fef2f2;
        }

        .participants-list {
        max-height: 300px;
        overflow-y: auto;
        }

        .participant-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px;
        background: #f9fafb;
        border-radius: 8px;
        margin-bottom: 8px;
        }

        .participant-info {
        display: flex;
        align-items: center;
        gap: 10px;
        }

        .color-dot {
        width: 16px;
        height: 16px;
        border-radius: 50%;
        }

        .wheel-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 30px;
        }

        #wheelContainer {
        filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15));
        }

        .wheel-wrapper {
        position: relative;
            display: flex;
    justify-content: center;
    align-items: center;
        }

        .pointer {
        position: absolute;
        top: -10px;
        left: 50%;
        transform: translateX(-50%) rotate(180deg);
        z-index: 10;
        width: 0;
        height: 0;
        border-left: 20px solid transparent;
        border-right: 20px solid transparent;
        border-bottom: 40px solid #ef4444;
        filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
        }

        .wheel {
        width: 600px;
        height: 600px;
        transition: transform 3s cubic-bezier(0.23, 1, 0.32, 1);
        /* filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15)); */
        }

        .empty-wheel {
        width: 500px;
        height: 500px;
        border-radius: 50%;
        border: 10px solid white;
        background: #e5e7eb;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        color: #6b7280;
        filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15));
        }

        .controls {
        display: flex;
        gap: 20px;
        }

        .spin-btn {
        background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
        color: white;
        font-weight: bold;
        padding: 16px 32px;
        border-radius: 50px;
        border: none;
        font-size: 1.2rem;
        cursor: pointer;
        transition: all 0.2s;
        box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
        }

        .spin-btn:hover:not(:disabled) {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
        }

        .spin-btn:disabled {
        background: #d1d5db;
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
        }

        .reset-btn {
        padding: 16px;
        border-radius: 50px;
        background: white;
        border: 2px solid #e5e7eb;
        cursor: pointer;
        transition: all 0.2s;
        }

        .reset-btn:hover {
        background: #f9fafb;
        }

        .result-section {
        text-align: center;
        }

        .winner-display {
        margin: 20px 0;
        }

        .winner-emoji {
        font-size: 4rem;
        margin-bottom: 16px;
        }

        .winner-label {
        font-size: 0.9rem;
        color: #6b7280;
        margin-bottom: 8px;
        }

        .winner-name {
        font-size: 3rem;
        font-weight: bold;
        color: #8b5cf6;
        }

        .modal .winner-name {
        font-size: 4.5rem;
        font-weight: bold;
        color: #8b5cf6;
        }

        .no-winner {
        color: #6b7280;
        }

        .no-winner-emoji {
        font-size: 3rem;
        margin-bottom: 16px;
        }

        @media (max-width: 1024px) {
        .main-content {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .wheel,
        .empty-wheel {
            width: 400px;
            height: 400px;
        }

        .header h1 {
            font-size: 2.5rem;
        }
        }

        @media (max-width: 640px) {

        .wheel,
        .empty-wheel {
            width: 320px;
            height: 320px;
        }

        .header h1 {
            font-size: 2rem;
        }

        .spin-btn {
            padding: 14px 28px;
            font-size: 1.1rem;
        }
        }

        /* Confetti and modal styles */
        .confetti-container {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 1001;
        }

        .confetti {
        position: absolute;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        animation: fall linear infinite;
        }

        @keyframes fall {
        0% {
            transform: translateY(-100px) rotate(0deg);
            opacity: 1;
        }

        100% {
            transform: translateY(100vh) rotate(360deg);
            opacity: 0;
        }
        }

        /* Modal Styles */
        .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(5px);
        }

        .modal-content {
        background: white;
        margin: 10% auto;
        padding: 30px;
        border-radius: 20px;
        width: 90%;
        max-width: 800px;
        text-align: center;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        animation: modalSlideIn 0.3s ease-out;
        position: relative;
        }

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

        to {
            transform: translateY(0);
            opacity: 1;
        }
        }

        .close {
        position: absolute;
        right: 20px;
        top: 15px;
        color: #aaa;
        font-size: 28px;
        font-weight: bold;
        cursor: pointer;
        transition: color 0.3s;
        }

        .close:hover {
        color: #000;
        }

        .modal h2 {
        color: #333;
        margin-bottom: 20px;
        font-size: 28px;
        }

        .modal p {
        color: #666;
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 25px;
        }

        .celebration {
        font-size: 60px;
        margin-bottom: 20px;
        animation: bounce 0.6s ease-in-out;
        }

        @keyframes bounce {

        0%,
        20%,
        50%,
        80%,
        100% {
            transform: translateY(0);
        }

        40% {
            transform: translateY(-20px);
        }

        60% {
            transform: translateY(-10px);
        }
        }

        .title {
        color: white;
        font-size: 32px;
        margin-bottom: 20px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .subtitle {
        color: rgba(255, 255, 255, 0.9);
        font-size: 18px;
        margin-bottom: 30px;
        }


        /* Footer */

        /* Footer Styles */
        .footer {
        background: rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 40px 0 20px;
        margin-top: auto;
        }

        .footer-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        }

        .footer-content {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 30px;
        }

        .footer-brand {
        display: flex;
        flex-direction: column;
        }

        .footer-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 20px;
        }

        .footer-logo-icon {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: white;
        font-weight: bold;
        }

        .footer-logo-text {
        font-size: 1.5rem;
        font-weight: bold;
        color: white;
        }

        .footer-description {
        color: rgba(255, 255, 255, 0.8);
        line-height: 1.6;
        margin-bottom: 20px;
        }

        .footer-social {
        display: flex;
        gap: 15px;
        }

        .social-link {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        text-decoration: none;
        transition: all 0.3s ease;
        font-size: 18px;
        }

        .social-link:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-2px);
        }

        .footer-section h3 {
        color: white;
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 20px;
        position: relative;
        }

        .footer-section h3::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 0;
        width: 30px;
        height: 2px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 1px;
        }

        .footer-links {
        list-style: none;
        }

        .footer-links li {
        margin-bottom: 12px;
        }

        .footer-links a {
        color: rgba(255, 255, 255, 0.8);
        text-decoration: none;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.95rem;
        }

        .footer-links a:hover {
        color: white;
        transform: translateX(5px);
        }

        .footer-links a::before {
        content: '→';
        opacity: 0;
        transition: opacity 0.3s ease;
        }

        .footer-links a:hover::before {
        opacity: 1;
        }

        /* Legal Links Styling */
        .legal-links {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
        }

        .copyright {
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.9rem;
        }

        .legal-nav {
        display: flex;
        gap: 30px;
        align-items: center;
        }

        .legal-link {
        color: rgba(255, 255, 255, 0.8);
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 500;
        transition: all 0.3s ease;
        position: relative;
        padding: 8px 16px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(10px);
        }

        .legal-link:hover {
        color: white;
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-1px);
        }

        .legal-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        transition: all 0.3s ease;
        transform: translateX(-50%);
        }

        .legal-link:hover::after {
        width: 80%;
        }

        /* Special styling for important legal links */
        .legal-link.privacy {
        background: rgba(102, 126, 234, 0.2);
        }

        .legal-link.terms {
        background: rgba(118, 75, 162, 0.2);
        }

        .legal-link.privacy:hover {
        background: rgba(102, 126, 234, 0.3);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
        }

        .legal-link.terms:hover {
        background: rgba(118, 75, 162, 0.3);
        box-shadow: 0 4px 15px rgba(118, 75, 162, 0.2);
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {
        .footer-content {
            grid-template-columns: 1fr;
            gap: 30px;
            text-align: center;
        }

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

        .legal-links {
            flex-direction: column;
            text-align: center;
            gap: 15px;
        }

        .legal-nav {
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }

        .footer-section h3::after {
            left: 50%;
            transform: translateX(-50%);
        }
        }

        @media (max-width: 480px) {
        .footer {
            padding: 30px 0 15px;
        }

        .footer-container {
            padding: 0 15px;
        }

        .demo-card {
            padding: 30px 20px;
        }

        .demo-card h1 {
            font-size: 2rem;
        }

        .legal-nav {
            gap: 10px;
        }

        .legal-link {
            padding: 6px 12px;
            font-size: 0.85rem;
        }
        }

        /* Animation for footer entrance */
        .footer {
        animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
        }

        /* Hover effect for footer sections */
        .footer-section {
        transition: transform 0.3s ease;
        }

        .footer-section:hover {
        transform: translateY(-2px);
        }





        textarea {
        width: 100%;
        height: 300px !important;
        max-height: 300px;
        padding: 15px;
        border: 2px solid #ddd;
        border-radius: 8px;
        font-size: 16px;
        font-family: 'Poppins', 'Arial', sans-serif;
        resize: vertical;
        box-sizing: border-box;
        line-height: 1.5;
        }

        textarea:focus {
        outline: none;
        border-color: #007bff;
        box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
        }
/* end of styles file */
        .container.wheel-container {
            max-width: 1400px;
        }

        /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 1000;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-csv {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            width: 90%;
            max-width: 500px;
            position: relative;
            transform: scale(0.9);
            transition: transform 0.3s ease;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        .modal-overlay.active .modal {
            transform: scale(1);
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .modal-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1f2937;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #6b7280;
            padding: 4px;
            border-radius: 4px;
            transition: color 0.2s, background-color 0.2s;
        }

        .close-btn:hover {
            color: #374151;
            background-color: #f3f4f6;
        }

        .close-btn:focus {
            outline: 2px solid #2563eb;
            outline-offset: 2px;
        }

        .upload-area {
            border: 2px dashed #d1d5db;
            border-radius: 8px;
            padding: 2rem;
            text-align: center;
            transition: border-color 0.2s, background-color 0.2s;
            margin-bottom: 1.5rem;
            cursor: pointer;
        }

        .upload-area:hover {
            border-color: #2563eb;
            background-color: #f8fafc;
        }

        .upload-area.dragover {
            border-color: #2563eb;
            background-color: #eff6ff;
        }

        .upload-icon {
            font-size: 3rem;
            color: #9ca3af;
            margin-bottom: 1rem;
        }

        .upload-text {
            color: #374151;
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }

        .upload-subtext {
            color: #6b7280;
            font-size: 0.875rem;
        }

        .file-input {
            display: none;
        }

        .file-info {
            background-color: #f3f4f6;
            border-radius: 6px;
            padding: 1rem;
            margin-bottom: 1.5rem;
            display: none;
        }

        .file-info.show {
            display: block;
        }

        .file-name {
            font-weight: 500;
            color: #1f2937;
            margin-bottom: 0.25rem;
        }

        .file-size {
            color: #6b7280;
            font-size: 0.875rem;
        }

        .modal-actions {
            display: flex;
            gap: 1rem;
            justify-content: flex-end;
        }

        .btn {
            padding: 10px 20px;
            border-radius: 6px;
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .btn-secondary {
            background-color: white;
            color: #374151;
            border-color: #d1d5db;
        }

        .btn-secondary:hover {
            background-color: #f9fafb;
        }

        .btn-primary {
            background-color: #2563eb;
            color: white;
        }

        .btn-primary:hover {
            background-color: #1d4ed8;
        }

        .btn-primary:disabled {
            background-color: #9ca3af;
            cursor: not-allowed;
        }

        .btn:focus {
            outline: 2px solid #2563eb;
            outline-offset: 2px;
        }

        .success-message {
            background-color: #dcfce7;
            color: #166534;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            display: none;
        }

        .success-message.show {
            display: block;
        }

        .error-message {
            background-color: #fef2f2;
            color: #dc2626;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        @media (max-width: 640px) {
            .modal {
                padding: 1.5rem;
            }

            .modal-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }

        #listInput {
            display: none;
        }


        /* Content Style */

        section .container {
            padding: 0;
        }

        /* Benefits Section */
        .benefits {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: #333;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 60px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .benefit-card {
            background: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-10px);
        }

        .benefit-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        }

        .benefit-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: #333;
        }

        .benefit-card p {
            color: #666;
            line-height: 1.7;
        }

        /* How to Use Section */
        .how-to-use {
            padding: 100px 0;
            background: white;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .step {
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: #ff6b6b;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .step h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #333;
        }

        .step p {
            color: #666;
            line-height: 1.7;
        }

        /* Classroom Activities Section */
        .activities {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .activities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .activity-card {
            background: white;
            padding: 30px;
            border-radius: 15px;
            border-left: 5px solid #4ecdc4;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .activity-card:hover {
            transform: translateX(10px);
        }

        .activity-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #333;
        }

        .activity-card p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Content Carousel Styles */
        /* Benefits Section */
        .benefits {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: #333;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 60px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .benefit-card {
            background: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-10px);
        }

        .benefit-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
        }

        .benefit-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: #333;
        }

        .benefit-card p {
            color: #666;
            line-height: 1.7;
        }

        /* How to Use Section */
        .how-to-use {
            padding: 100px 0;
            background: white;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .step {
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: #ff6b6b;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .step h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #333;
        }

        .step p {
            color: #666;
            line-height: 1.7;
        }

        /* Classroom Activities Section */
        .activities {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .activities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .activity-card {
            background: white;
            padding: 30px;
            border-radius: 15px;
            border-left: 5px solid #4ecdc4;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }

        .activity-card:hover {
            transform: translateX(10px);
        }

        .activity-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #333;
        }

        .activity-card p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .content-carousel {
            padding: 100px 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .content-carousel .section-title,
        .content-carousel .section-subtitle {
            color: white;
        }

        .carousel-container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
        }

        .carousel-nav {
            display: flex;
            background: #333;
        }

        .nav-btn {
            flex: 1;
            padding: 20px;
            border: none;
            background: #333;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            font-weight: 600;
        }

        .nav-btn:hover {
            background: #555;
        }

        .nav-btn.active {
            background: #4ecdc4;
        }

        .carousel-content {
            position: relative;
            min-height: 600px;
        }

        .carousel-slide {
            display: none;
            padding: 40px;
            color: #333;
            animation: fadeIn 0.5s ease-in-out;
        }

        .carousel-slide.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .slide-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .slide-header h3 {
            font-size: 2rem;
            color: #333;
            margin-bottom: 10px;
        }

        .slide-header p {
            font-size: 1.1rem;
            color: #666;
        }

        .slide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .slide-card {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 15px;
            border-left: 5px solid #4ecdc4;
        }

        .card-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .slide-card h4 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #333;
        }

        .slide-card ul {
            list-style: none;
            padding: 0;
        }

        .slide-card li {
            padding: 5px 0;
            color: #666;
            position: relative;
            padding-left: 20px;
        }

        .slide-card li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #4ecdc4;
            font-weight: bold;
        }

        .slide-tips {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 30px;
            border-radius: 15px;
            margin-top: 30px;
        }

        .slide-tips h4 {
            margin-bottom: 20px;
            font-size: 1.3rem;
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
        }

        .tip {
            background: rgba(255, 255, 255, 0.2);
            padding: 15px;
            border-radius: 10px;
            font-size: 0.95rem;
        }

        /* Creative Ways Styles */
        .creative-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .creative-card {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 25px;
            border-radius: 15px;
            position: relative;
            transition: transform 0.3s ease;
        }

        .creative-card:hover {
            transform: translateY(-5px);
        }

        .creative-number {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 40px;
            height: 40px;
            background: #ff6b6b;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .creative-card h4 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }

        .creative-card p {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        /* Team Building Styles */
        .team-building-content {
            space-y: 40px;
        }

        .team-section {
            margin-bottom: 40px;
        }

        .team-section h4 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #333;
            text-align: center;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .team-card {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            border-top: 4px solid #4ecdc4;
        }

        .team-card h5 {
            color: #333;
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .team-card p {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .strategy-list {
            space-y: 20px;
        }

        .strategy-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .strategy-icon {
            font-size: 1.5rem;
            margin-top: 5px;
        }

        .strategy-item h5 {
            color: #333;
            margin-bottom: 5px;
        }

        .strategy-item p {
            color: #666;
            font-size: 0.9rem;
        }

        .activity-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .showcase-item {
            background: linear-gradient(135deg, #4ecdc4, #45b7d1);
            color: white;
            padding: 20px;
            border-radius: 10px;
        }

        .showcase-item h5 {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .showcase-item p {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .team-benefits {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            margin-top: 30px;
        }

        .team-benefits h4 {
            margin-bottom: 20px;
            color: #333;
        }

        .benefits-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .benefit-tag {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .carousel-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 40px;
            background: #f8f9fa;
        }

        .control-btn {
            background: #4ecdc4;
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.2rem;
            transition: all 0.3s ease;
        }

        .control-btn:hover {
            background: #45b7d1;
            transform: scale(1.1);
        }

        .slide-indicators {
            display: flex;
            gap: 10px;
        }

        .indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ddd;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .indicator.active {
            background: #4ecdc4;
            transform: scale(1.2);
        }

        /* iOS Style Switch */
        .switch-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 0.5rem;
            margin-bottom: 2rem;
        }

        .switch-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.5rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .switch-ios {
            position: relative;
            width: 60px;
            height: 34px;
            background: #e9e9ea;
            border-radius: 17px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .switch-ios::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            width: 30px;
            height: 30px;
            background: white;
            border-radius: 50%;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .switch-ios.active {
            background: #34c759;
        }

        .switch-ios.active::before {
            transform: translateX(26px);
        }

        .spinner-btn {
            position: absolute;
            margin: 0 auto !important;
            z-index: 9;
            font-size: 5rem;
            background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
            color: white;
            font-weight: bold;
            padding: 30px 25px;
            border-radius: 50%;
            border: 1px solid white;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s;
            box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
        }


    .confetti-images-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      overflow: hidden;
        z-index: 1002;
    }

    .confetti-images {
      position: absolute;
      will-change: transform;
      animation: fall linear infinite;
    }

    @keyframes fall {
      0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 1;
      }
      100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0.7;
      }
    }