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

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #06b6d4;
    --accent: #22d3ee;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --dark-lighter: #334155;
    --light: #f8fafc;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --spacing: 8px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 3);
}

/* Header & Navigation */
.header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    text-decoration: none;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing) * 4);
    align-items: center;
}

.nav-menu a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    padding: calc(var(--spacing) * 15) calc(var(--spacing) * 3);
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: calc(var(--spacing) * 3);
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: calc(var(--spacing) * 5);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: calc(var(--spacing) * 2);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.snowflake {
    position: absolute;
    color: rgba(255, 255, 255, 0.3);
    font-size: 2rem;
    animation: snowfall 10s linear infinite;
}

.snowflake:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.snowflake:nth-child(2) { left: 30%; animation-delay: 2s; animation-duration: 10s; }
.snowflake:nth-child(3) { left: 50%; animation-delay: 4s; animation-duration: 14s; }
.snowflake:nth-child(4) { left: 70%; animation-delay: 1s; animation-duration: 11s; }
.snowflake:nth-child(5) { left: 90%; animation-delay: 3s; animation-duration: 13s; }

@keyframes snowfall {
    0% {
        top: -10%;
        transform: translateX(0) rotate(0deg);
    }
    100% {
        top: 110%;
        transform: translateX(100px) rotate(360deg);
    }
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 3);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.3);
}

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

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

.btn-large {
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 4);
    font-size: 1.1rem;
}

.btn-small {
    padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
    font-size: 0.9rem;
}

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

/* Games Section */
.games-section {
    padding: calc(var(--spacing) * 10) 0;
}

.section-header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 8);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.game-card {
    background: var(--dark-light);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing) * 4);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(14, 165, 233, 0.2);
    border-color: var(--primary);
}

.game-icon {
    font-size: 4rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.game-card h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.game-card p {
    color: var(--text-muted);
    margin-bottom: calc(var(--spacing) * 3);
    line-height: 1.8;
}

/* Features Section */
.features-section {
    padding: calc(var(--spacing) * 10) 0;
    background: rgba(30, 41, 59, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing) * 4);
}

.feature-card {
    background: var(--dark-light);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing) * 4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: calc(var(--spacing) * 15) calc(var(--spacing) * 3);
    text-align: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: calc(var(--spacing) * 4);
}

/* Footer */
.footer {
    background: var(--dark);
    padding: calc(var(--spacing) * 8) 0 calc(var(--spacing) * 4) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing) * 6);
    margin-bottom: calc(var(--spacing) * 6);
}

.footer-column h4 {
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--accent);
}

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

.footer-column li {
    margin-bottom: calc(var(--spacing) * 1.5);
}

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

.footer-column a:hover {
    color: var(--accent);
}

.footer-disclaimer {
    margin-bottom: calc(var(--spacing) * 4);
}

.disclaimer-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing) * 3);
}

.disclaimer-box h5 {
    color: var(--warning);
    margin-bottom: calc(var(--spacing) * 2);
    font-size: 1.2rem;
}

.disclaimer-box p {
    margin-bottom: calc(var(--spacing) * 2);
    line-height: 1.8;
}

.help-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--spacing) * 2);
}

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

.help-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: calc(var(--spacing) * 4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--dark-light);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: modalSlideIn 0.3s ease;
}

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

.age-modal-header {
    padding: calc(var(--spacing) * 4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.age-modal-header h2 {
    margin-bottom: calc(var(--spacing) * 1);
}

.age-modal-header p {
    color: var(--text-muted);
}

.age-modal-body {
    padding: calc(var(--spacing) * 4);
}

.age-modal-body p {
    margin-bottom: calc(var(--spacing) * 2);
    line-height: 1.8;
}

.age-checkbox {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 2);
    padding: calc(var(--spacing) * 2);
    background: rgba(14, 165, 233, 0.1);
    border-radius: var(--border-radius);
    margin-top: calc(var(--spacing) * 3);
}

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

.age-checkbox label {
    cursor: pointer;
    user-select: none;
}

.age-modal-footer {
    padding: calc(var(--spacing) * 4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: calc(var(--spacing) * 2);
    justify-content: center;
}

/* Cookie Banner */
.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark-light);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: calc(var(--spacing) * 3);
    z-index: 999;
    animation: slideUp 0.3s ease;
}

.cookie-banner.active {
    display: block;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: calc(var(--spacing) * 3);
    flex-wrap: wrap;
}

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

.cookie-content a {
    color: var(--accent);
}

/* Content Pages */
.content-page {
    min-height: 100vh;
    padding: calc(var(--spacing) * 10) 0;
}

.content-header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 8);
}

.content-header h1 {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing) * 2);
}

.content-header p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.content-section {
    background: var(--dark-light);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing) * 6);
    margin-bottom: calc(var(--spacing) * 4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: calc(var(--spacing) * 3);
    color: var(--accent);
}

.content-section h3 {
    font-size: 1.5rem;
    margin-top: calc(var(--spacing) * 4);
    margin-bottom: calc(var(--spacing) * 2);
}

.content-section p {
    margin-bottom: calc(var(--spacing) * 2);
    line-height: 1.8;
    color: var(--text-muted);
}

.content-section ul, .content-section ol {
    margin-left: calc(var(--spacing) * 4);
    margin-bottom: calc(var(--spacing) * 2);
}

.content-section li {
    margin-bottom: calc(var(--spacing) * 1);
    line-height: 1.8;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--dark);
        padding: calc(var(--spacing) * 4);
        transition: var(--transition);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

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

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

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