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

:root {
    --primary-color: #FF7F00;
    --secondary-color: #005CB8;
    --accent-color: #FFC107;
    --text-color: #333;
    --light-text: #666;
    --bg-color: #f9f9f9;
    --card-bg: #fff;
    --section-bg-alt: #f0f8ff;
    --border-color: #ddd;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --border-radius: 10px;
    --header-height: 80px;
}

[data-theme="dark"] {
    --primary-color: #FF9A40;
    --secondary-color: #0078D4;
    --accent-color: #FFD54F;
    --text-color: #f0f0f0;
    --light-text: #ccc;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --section-bg-alt: #2a2a2a;
    --border-color: #444;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', 'Cairo', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    transition: var(--transition);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Floating Background Elements */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    top: 70%;
    left: 80%;
    animation-delay: 2s;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.shape-3 {
    width: 100px;
    height: 100px;
    background-color: var(--accent-color);
    top: 40%;
    left: 30%;
    animation-delay: 4s;
    border-radius: 10px;
    transform: rotate(45deg);
}

.shape-4 {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    top: 20%;
    left: 70%;
    animation-delay: 6s;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.shape-5 {
    width: 90px;
    height: 90px;
    background-color: var(--secondary-color);
    top: 80%;
    left: 20%;
    animation-delay: 8s;
    border-radius: 50%;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(0) rotate(180deg);
    }
    75% {
        transform: translateY(20px) rotate(270deg);
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    max-width: 300px;
}

.loader img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    animation: pulse 1.5s infinite ease-in-out;
}

.loading-text {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    animation: loading 2s ease-in-out forwards;
}

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

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    transform: translateX(0);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 92, 184, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Header */
.header {
    background-color: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    height: var(--header-height);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 15px 20px;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 50px;
    height: 50px;
    margin-left: 10px;
    transition: var(--transition);
    animation: logoGlow 3s infinite alternate;
}

@keyframes logoGlow {
    0% {
        filter: drop-shadow(0 0 5px rgba(255, 127, 0, 0.5));
        transform: rotate(0deg);
    }
    50% {
        filter: drop-shadow(0 0 15px rgba(255, 127, 0, 0.8));
        transform: rotate(5deg);
    }
    100% {
        filter: drop-shadow(0 0 5px rgba(255, 127, 0, 0.5));
        transform: rotate(0deg);
    }
}

[data-theme="dark"] .logo {
    animation: logoGlowDark 3s infinite alternate;
}

@keyframes logoGlowDark {
    0% {
        filter: drop-shadow(0 0 10px rgba(255, 154, 64, 0.7));
        transform: rotate(0deg);
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(255, 154, 64, 1));
        transform: rotate(5deg);
    }
    100% {
        filter: drop-shadow(0 0 10px rgba(255, 154, 64, 0.7));
        transform: rotate(0deg);
    }
}

.logo:hover {
    transform: rotate(10deg) scale(1.1);
}

.site-title {
    font-size: 1.5rem;
}

.site-title .kids {
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

.site-title .coding {
    color: var(--secondary-color);
    animation: bounce 2s infinite 0.2s;
}

.site-title .hub {
    color: var(--accent-color);
    animation: bounce 2s infinite 0.4s;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.main-nav ul {
    display: flex;
}

.main-nav ul li {
    margin-right: 20px;
}

.main-nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-nav ul li a:hover::after {
    width: 100%;
}

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

.dark-mode-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.dark-mode-toggle:hover {
    color: var(--primary-color);
    transform: rotate(180deg);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    transform: scale(1.1);
}

/* Hero Section */
.hero {
    padding: calc(var(--header-height) + 40px) 0 80px;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--section-bg-alt) 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><circle cx="50" cy="50" r="40" stroke="rgba(255,127,0,0.1)" stroke-width="1" fill="none"/></svg>');
    background-size: 100px 100px;
    opacity: 0.3;
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
    animation: fadeInRight 1s ease;
}

.hero-title {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
    margin-left: 30px;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--light-text);
}

.hero-image {
    flex: 1;
    text-align: center;
    animation: fadeInLeft 1s ease;
    position: relative;
}

.hero-image img {
    max-width: 90%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: scale(1.05);
}

/* Parallax Effect */
.parallax-image {
    position: relative;
}

/* Other Courses Section */
.other-courses {
    padding: 60px 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.course-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.course-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-image img {
    transform: scale(1.1) rotate(2deg);
}

.course-content {
    padding: 20px;
}

.course-content h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.course-content p {
    color: var(--light-text);
    margin-bottom: 20px;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background-color: var(--section-bg-alt);
}

.section-title {
    text-align: center;
    margin-bottom: 20px;
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: var(--light-text);
}

/* Overview Section */
.overview-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.overview-text {
    flex: 1;
}

.overview-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.overview-image {
    flex: 1;
}

.overview-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.overview-image img:hover {
    transform: scale(1.05);
}

/* Curriculum Tabs */
.curriculum-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--light-text);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.tab-content {
    padding: 30px 0;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.principle-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.principle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.principle-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--section-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.principle-card:hover .principle-icon {
    background-color: var(--primary-color);
    color: white;
}

.principle-icon i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    transition: var(--transition);
}

.principle-card:hover .principle-icon i {
    color: white;
}

.principle-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.approach-content, .assessment-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.approach-item, .assessment-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.approach-item:hover, .assessment-item:hover {
    transform: translateY(-5px);
}

.approach-item h3, .assessment-item h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* Levels Section */
.levels-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.level-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.level-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.level-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

.level-header h3 {
    margin-bottom: 5px;
}

.level-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
}

.level-content {
    padding: 25px;
    flex-grow: 1;
}

.level-content p {
    margin-bottom: 20px;
}

.level-topics {
    margin-bottom: 20px;
}

.level-topics li {
    margin-bottom: 10px;
    padding-right: 25px;
    position: relative;
}

.level-topics li::before {
    content: '•';
    position: absolute;
    right: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.level-footer {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--section-bg-alt);
}

.level-sessions {
    font-weight: 600;
    color: var(--light-text);
}

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

.benefit-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--section-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
    background-color: var(--primary-color);
}

.benefit-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon i {
    color: white;
}

.benefit-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* Register Section */
.register-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.register-form {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Tajawal', 'Cairo', sans-serif;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.register-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.info-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.info-card ul {
    padding-right: 20px;
}

.info-card ul li {
    margin-bottom: 10px;
    position: relative;
    padding-right: 25px;
}

.info-card ul li::before {
    content: '✓';
    position: absolute;
    right: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.contact-info {
    background-color: var(--secondary-color);
    color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-info p {
    margin-bottom: 15px;
}

.contact-link {
    display: block;
    color: white;
    margin-bottom: 10px;
    transition: var(--transition);
}

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

.contact-link i {
    margin-left: 10px;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-left: 20px;
    margin-top: 5px;
}

.contact-item h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.contact-item ul {
    padding-right: 20px;
}

.contact-item ul li {
    margin-bottom: 10px;
    position: relative;
    padding-right: 15px;
}

.contact-item ul li::before {
    content: '•';
    position: absolute;
    right: 0;
    color: var(--primary-color);
}

.social-links {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.social-links h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--section-bg-alt);
    color: var(--secondary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

.footer-logo h3 {
    margin-bottom: 10px;
}

.footer-logo .kids {
    color: var(--primary-color);
}

.footer-logo .coding {
    color: white;
}

.footer-logo .hub {
    color: var(--accent-color);
}

.footer-links h3,
.footer-contact h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-contact ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links ul li a:hover,
.footer-contact ul li a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-contact ul li i {
    margin-left: 10px;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 998;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Notification System */
.notification-container {
    position: fixed;
    top: 100px;
    left: 20px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    transform: translateX(-120%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-right: 4px solid #4CAF50;
}

.notification.error {
    border-right: 4px solid #F44336;
}

.notification.info {
    border-right: 4px solid var(--primary-color);
}

.notification i {
    font-size: 1.2rem;
}

.notification.success i {
    color: #4CAF50;
}

.notification.error i {
    color: #F44336;
}

.notification.info i {
    color: var(--primary-color);
}

/* Animations */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Count-up Animation */
.counting {
    display: inline-block;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .overview-content {
        flex-direction: column;
    }
    
    .register-container,
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        box-shadow: var(--shadow);
        padding: 20px;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .main-nav ul li {
        margin: 10px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .principle-cards,
    .approach-content,
    .assessment-content,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .levels-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        align-items: center;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        left: 20px;
    }
    
    #back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    
    .notification-container {
        left: 10px;
        right: 10px;
    }
    
    .notification {
        min-width: auto;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stat-item {
        margin-left: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .tab-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .register-form {
        padding: 20px;
    }
    
    .header .container {
        padding: 10px 15px;
    }
    
    .logo {
        width: 40px;
        height: 40px;
    }
    
    .site-title {
        font-size: 1.2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #FF7F00;
        --secondary-color: #005CB8;
        --text-color: #000;
        --bg-color: #fff;
        --card-bg: #fff;
        --border-color: #000;
    }
    
    [data-theme="dark"] {
        --primary-color: #FF9A40;
        --secondary-color: #0078D4;
        --text-color: #fff;
        --bg-color: #000;
        --card-bg: #000;
        --border-color: #fff;
    }
}