/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Performance Optimizations */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-x: hidden;
    /* Improve text rendering */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Optimize images and media */
img, video {
    max-width: 100%;
    height: auto;
}

/* Reduce animation for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* GPU acceleration for performance-critical elements */
.loading-screen,
.spinner,
.progress-bar {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Loading Screen Styles */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: white;
    animation: loadingFadeIn 0.8s ease-out;
}

.loading-logo {
    margin-bottom: 30px;
}

.loading-icon {
    font-size: 4rem;
    color: #f1c40f;
    margin-bottom: 20px;
    animation: loadingPulse 2s infinite;
}

.loading-logo h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.loading-spinner {
    margin: 30px 0;
    display: flex;
    justify-content: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #f1c40f;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    font-size: 1.1rem;
    margin: 20px 0;
    opacity: 0.9;
    animation: loadingTextFade 3s infinite;
}

.loading-progress {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    margin: 20px auto 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #f1c40f, #e67e22);
    border-radius: 2px;
    animation: loadingProgress 2.5s ease-out forwards;
    transform: translateX(-100%);
}

@keyframes loadingFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loadingPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes loadingTextFade {
    0%, 50%, 100% { opacity: 0.9; }
    25%, 75% { opacity: 0.6; }
}

@keyframes loadingProgress {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(0); }
}

/* Smooth page transitions */
.page-content {
    opacity: 0;
    animation: pageContentFadeIn 0.6s ease-out 0.3s forwards;
}

@keyframes pageContentFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .loading-icon {
        font-size: 3rem;
    }
    
    .loading-logo h2 {
        font-size: 1.4rem;
    }
    
    .loading-progress {
        width: 250px;
    }
    
    .loading-text {
        font-size: 1rem;
    }
}

/* Top Notification Bar */
.top-notification-bar {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

.notification-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.notification-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    flex: 1;
}

.notification-text i {
    font-size: 1.2rem;
    color: #f1c40f;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.notification-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.enroll-btn {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    font-size: 0.9rem;
}

.enroll-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
}

.close-notification {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-notification:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

/* Responsive Design for Notification Bar */
@media (max-width: 768px) {
    .notification-content {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .notification-text {
        justify-content: center;
        font-size: 0.9rem;
    }
    
    .enroll-btn {
        padding: 10px 25px;
        font-size: 0.95rem;
    }
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.logo i {
    color: #f39c12;
    margin-right: 0.5rem;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-style: italic;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.nav a:hover {
    background-color: rgba(255,255,255,0.2);
}

.official-link {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%) !important;
    border-radius: 20px !important;
    padding: 8px 15px !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 10px rgba(243, 156, 18, 0.3);
    transition: all 0.3s ease !important;
}

.official-link:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.5) !important;
}

.official-link i {
    margin-right: 5px;
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    padding: 2rem;
}

/* Content Area */
.content-area {
    padding: 1rem;
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.hero h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.hero-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-secondary:hover {
    background: #3498db;
    color: white;
    transform: translateY(-2px);
}

/* Features Section */
.features {
    margin-bottom: 3rem;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.2);
}

.feature-card i {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: #f39c12;
}

.stat-item {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: scale(1.05);
}

/* Tools Sidebar */
.tools-sidebar {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #3498db;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.tools-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e9ecef;
}

.tools-header h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.tools-header i {
    color: #3498db;
    margin-right: 0.5rem;
}

.tools-header p {
    color: #666;
    font-size: 0.9rem;
}

.tool-category {
    margin-bottom: 2rem;
}

.tool-category h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.tool-category i {
    color: #3498db;
    margin-right: 0.5rem;
}

.tool-items {
    display: grid;
    gap: 0.5rem;
}

.tool-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    border: 1px solid #e9ecef;
}

.tool-item:hover {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    transform: translateX(5px);
}

.tool-item i {
    color: #3498db;
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

.tool-item:hover i {
    color: white;
}

.tool-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 2rem;
    margin-top: 2rem;
}

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

.footer-section h4 {
    color: #f39c12;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-official-link {
    display: inline-block;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white !important;
    padding: 8px 15px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
}

.footer-official-link:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1f5582 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.5);
    color: white !important;
}

.footer-official-link i {
    margin-right: 8px;
}

.footer-section i {
    margin-right: 0.5rem;
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

.designer-credit {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #95a5a6;
}

.designer-credit strong {
    color: #3498db;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
    
    .tools-sidebar {
        order: -1;
        position: static;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        margin: 0;
    }
    
    .hero {
        padding: 1rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-sidebar {
        padding: 1rem;
    }
}

/* Animation for smooth loading */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card, .tool-category {
    animation: fadeInUp 0.6s ease-out;
}

/* Contact Section Styles */
.contact-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    margin-top: 40px;
}

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

.contact-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.contact-header h2 i {
    color: #3498db;
    margin-right: 15px;
}

.contact-header p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-form-wrapper {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-header {
    margin-bottom: 30px;
}

.form-header h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.form-header h3 i {
    color: #3498db;
    margin-right: 10px;
}

.form-header p {
    color: #7f8c8d;
    font-size: 1rem;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
    background: #f8f9fa;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #3498db;
    background: white;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
}

.submit-btn:active {
    transform: translateY(0);
}

.form-result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-result.success {
    background: rgba(39, 174, 96, 0.1);
    color: #27ae60;
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.form-result.error {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding: 15px;
    border-radius: 12px;
    background: #f8f9fa;
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-details p {
    color: #7f8c8d;
    margin: 0;
}

.contact-details a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: #2980b9;
}

.quick-links {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.quick-links h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 600;
}

.quick-links h4 i {
    color: #3498db;
    margin-right: 10px;
}

.quick-link-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 10px;
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.quick-link:hover {
    background: #e9ecef;
    transform: translateX(5px);
    border-color: #3498db;
}

.quick-link i {
    margin-right: 12px;
    color: #3498db;
    width: 20px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .contact-header h2 {
        font-size: 2rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}