/* Global Styles */
:root {
    --primary-color: #0891b2;
    --primary-dark: #0e7490;
    --primary-light: #06b6d4;
    --secondary-color: #0ea5e9;
    --accent-color: #14b8a6;
    --background: #f0fdfa;
    --surface: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --overlay: rgba(15, 23, 42, 0.7);

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

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

a:hover {
    color: var(--primary-dark);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

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

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

.btn-game {
    background: var(--accent-color);
    color: white;
    width: 100%;
}

.btn-game:hover {
    background: #0d9488;
    color: white;
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Header */
.header {
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 2rem;
}

.logo:hover {
    color: var(--primary-dark);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.nav-menu a:hover {
    background: var(--background);
    color: var(--primary-color);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-toggle span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, #0891b2 0%, #06b6d4 50%, #14b8a6 100%);
    color: white;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: wave-float 10s ease-in-out infinite;
}

@keyframes wave-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--background);
    clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

/* Games Section */
.games-section {
    padding: var(--spacing-2xl) 0;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.game-card {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.game-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.game-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: bounce 2s ease-in-out infinite;
}

.game-card:nth-child(2) .game-icon {
    animation-delay: 0.3s;
}

.game-card:nth-child(3) .game-icon {
    animation-delay: 0.6s;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.game-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.game-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Features Section */
.features-section {
    padding: var(--spacing-2xl) 0;
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-lg);
    text-align: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--background);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    background: linear-gradient(135deg, #0891b2, #14b8a6);
    color: white;
}

.cta-section h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
}

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

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-column a:hover {
    color: white;
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.footer-disclaimer h4 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.footer-disclaimer p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    opacity: 0.9;
}

.help-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.help-links a {
    color: var(--primary-light);
    font-weight: 600;
}

.help-links a:hover {
    color: white;
}

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

.footer-contact {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Modal */
.modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.age-modal h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.age-modal p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.age-verification {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.checkbox-label:hover {
    border-color: var(--primary-color);
    background: var(--background);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.disclaimer-small {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    animation: slideInUp 0.4s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-content p {
    margin: 0;
    flex: 1;
}

.cookie-content a {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Game Pages */
.game-page {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

.game-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.game-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.game-stats {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-md);
    background: var(--background);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Content Pages */
.content-page {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 200px);
}

.content-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.content-container h1 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.content-container h2 {
    color: var(--primary-dark);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.content-container p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--text-secondary);
}

.content-container ul, .content-container ol {
    margin-bottom: var(--spacing-md);
    margin-left: var(--spacing-lg);
}

.content-container li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .games-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .help-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

    .games-section,
    .features-section,
    .cta-section {
        padding: var(--spacing-xl) 0;
    }

    .game-card,
    .modal-content {
        padding: var(--spacing-md);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }