/* Critical CSS - Above the fold styles */
/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Critical rendering path optimizations */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-green);
    overflow-x: hidden;
    /* Optimize for performance */
    text-rendering: optimizeSpeed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    --light-green: #e8f5e9;
    --medium-green: #c8e6c9;
    --dark-green: #81c784;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --text-dark: #333333;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-green);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--dark-green);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--dark-green);
}

.login-btn, .register-btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.login-btn {
    border: 1px solid var(--dark-green);
    color: var(--dark-green);
}

.login-btn:hover {
    background-color: var(--light-green);
}

.register-btn {
    background-color: var(--dark-green);
    color: var(--white);
}

.register-btn:hover {
    background-color: #66bb6a;
    color: var(--white);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--light-green) 0%, var(--medium-green) 100%);
    text-align: center;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary, .btn-secondary {
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #66bb6a;
    transform: translateY(-3px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--dark-green);
    color: var(--dark-green);
}

.btn-secondary:hover {
    background-color: var(--dark-green);
    color: var(--white);
    transform: translateY(-3px);
}

.hero-background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, var(--medium-green) 2px, transparent 2px),
        radial-gradient(circle, var(--dark-green) 1px, transparent 1px);
    background-size: 40px 40px, 20px 20px;
    background-position: 0 0, 20px 20px;
    opacity: 0.3;
    z-index: -1;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    from { background-position: 0 0, 20px 20px; }
    to { background-position: 40px 40px, 60px 60px; }
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    background-color: var(--light-green);
    transition: transform 0.3s;
}

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

.feature-icon {
    margin-bottom: 1rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* Games Section */
.games {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.games h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.game-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

.game-image {
    height: 200px;
    background-color: var(--medium-green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.game-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.game-image-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-weight: bold;
    font-size: 1.2rem;
    text-align: center;
    z-index: 1;
}

.game-content {
    padding: 1.5rem;
}

.game-content h3 {
    margin-bottom: 0.5rem;
}

.game-content p {
    margin-bottom: 1rem;
}

.btn-play {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: var(--dark-green);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn-play:hover {
    background-color: #66bb6a;
}

/* Registration Steps */
.registration-steps {
    padding: 5rem 0;
    background-color: var(--white);
}

.registration-steps h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.step {
    text-align: center;
    padding: 2rem;
    background-color: var(--light-green);
    border-radius: 8px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--dark-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.step h3 {
    margin: 1.5rem 0 1rem;
}

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

/* Main Content Styles */
.main-content {
    padding: 3rem 0;
    min-height: 60vh;
}

.main-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.main-content h2 {
    font-size: 2rem;
    margin: 2rem 0 1rem;
    color: var(--text-dark);
}

.main-content h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-dark);
}

.main-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.main-content section {
    margin-bottom: 2rem;
}

/* Contact Page Styles */
.contact-info {
    max-width: 800px;
    margin: 0 auto;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.contact-item {
    background-color: var(--light-green);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.contact-item h3 {
    margin-bottom: 1rem;
    color: var(--dark-green);
}

.contact-item a {
    color: var(--dark-green);
    text-decoration: none;
    font-weight: bold;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* 404 Page Styles */
.error-page {
    text-align: center;
    padding: 3rem 0;
}

.error-page h1 {
    font-size: 6rem;
    color: var(--dark-green);
    margin-bottom: 1rem;
}

.error-page h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.error-page p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.suggested-pages {
    max-width: 500px;
    margin: 0 auto;
}

.suggested-pages h3 {
    margin-bottom: 1rem;
    color: var(--dark-green);
}

.suggested-pages ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.suggested-pages a {
    color: var(--dark-green);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background-color: var(--light-green);
    border-radius: 4px;
    transition: background-color 0.3s;
}

.suggested-pages a:hover {
    background-color: var(--medium-green);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--dark-green);
}

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

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

.footer-section a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--dark-green);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: bold;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid, .games-grid, .steps {
        grid-template-columns: 1fr;
    }
    
    .error-page h1 {
        font-size: 4rem;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
}

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--dark-green);
    color: white;
    padding: 8px;
    z-index: 100;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

/* Focus styles for accessibility */
a:focus, button:focus {
    outline: 2px solid var(--dark-green);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card, .game-card, .step {
        border: 2px solid var(--text-dark);
    }
}