:root {
    --primary-color: #4caf50;
    --primary-light: #80e27e;
    --primary-dark: #087f23;
    --secondary-color: #ff9800;
    --secondary-light: #ffc947;
    --secondary-dark: #c66900;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-light: #ffffff;
    --bg-dark: #f5f5f5;
    --bg-accent: #e0f2e1;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Fredoka', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-light);
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 152, 0, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.5);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 152, 0, 0.5);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    padding: 80px 0;
    color: var(--text-light);
}

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

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-image {
    flex: 1;
    max-width: 500px;
    text-align: center;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-dark);
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Features Section */
.features {
    background-color: var(--bg-dark);
}

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

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Features Showcase Section */
.features-showcase {
    background-color: var(--bg-accent);
    padding: 80px 0;
}

.features-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-showcase-item {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-showcase-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-showcase-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

/* Gameplay Section */
.gameplay {
    background-color: var(--bg-light);
}

.gameplay-wrapper {
    max-width: 800px;
    margin: 0 auto;
    aspect-ratio: 1/1;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.game-iframe {
    width: 100%;
    height: 100%;
}

.gameplay-cta {
    text-align: center;
    margin-top: 30px;
}

/* Gameplay Mechanics Section */
.gameplay-mechanics {
    background-color: var(--bg-light);
    padding: 80px 0;
}

.gameplay-mechanics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.gameplay-step {
    background-color: var(--bg-light);
    border: 2px solid var(--primary-light);
    border-radius: var(--border-radius);
    padding: 30px;
    position: relative;
    box-shadow: var(--shadow);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Testimonials Section */
.testimonials {
    background-color: var(--bg-accent);
}

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

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

.testimonial-rating {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 15px;
}

.testimonial-author {
    font-weight: 600;
    text-align: right;
}

/* Teacher Endorsements Section */
.teacher-endorsements {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    padding: 80px 0;
    color: var(--text-light);
}

.endorsements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.endorsement-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.endorsement-avatar {
    font-size: 3rem;
    margin-bottom: 20px;
    text-align: center;
}

.endorsement-text {
    font-style: italic;
    margin-bottom: 15px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.endorsement-author {
    text-align: right;
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    background-color: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 2px solid #e0e0e0;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.pricing-card.popular {
    border-color: var(--secondary-color);
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-tag {
    position: absolute;
    top: -15px;
    right: 30px;
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.price-period {
    font-size: 1rem;
    color: #777;
}

.price-original {
    color: #999;
    text-decoration: line-through;
    font-size: 0.9rem;
    margin-top: 5px;
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    margin-bottom: 10px;
    padding-left: 5px;
}

.pricing-cta {
    text-align: center;
}

.pricing-guarantee {
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-dark);
}

/* FAQ Section */
.faq {
    background-color: var(--bg-dark);
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
    position: relative;
}

.faq-item p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--text-light);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.countdown {
    margin: 30px 0;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
}

.countdown-item {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    min-width: 80px;
}

.countdown-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
}

.countdown-label {
    font-size: 0.8rem;
    text-transform: uppercase;
}

/* Footer */
footer {
    background-color: #222;
    color: var(--text-light);
    padding: 50px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-switcher select {
    padding: 8px 15px;
    border-radius: 5px;
    border: 1px solid #444;
    background-color: #333;
    color: var(--text-light);
    font-family: inherit;
}

.footer-links {
    border-top: 1px solid #444;
    border-bottom: 1px solid #444;
    padding: 20px 0;
    margin-bottom: 20px;
}

.footer-links nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-disclaimer {
    font-size: 0.9rem;
    color: #999;
    text-align: center;
}

/* SEO Optimizations */
.seo-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 20px;
    line-height: 1.4;
}

/* Improve page load performance */
img {
    max-width: 100%;
    height: auto;
    will-change: transform;
}

/* Improve mobile responsiveness */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 40px;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
    
    .countdown-item {
        min-width: 60px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 40px;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 20px;
    }
    
    .features-showcase-grid,
    .gameplay-mechanics-grid,
    .endorsements-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-showcase-item,
    .gameplay-step,
    .endorsement-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .btn-large {
        padding: 12px 30px;
    }
    
    .countdown-timer {
        gap: 10px;
    }
    
    .countdown-item {
        min-width: auto;
        padding: 10px;
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
    
    .footer-links nav {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-content {
        padding: 10px;
    }
    
    .feature-card {
        padding: 15px;
    }
}