:root {
    --nord-dark: #2E3440;
    --nord-blue: #5E81AC;
    --nord-light-blue: #81A1C1;
    --nord-frost: #8FBCBB;
    --nord-aurora-red: #BF616A;
    --nord-aurora-orange: #D08770;
    --nord-aurora-yellow: #EBCB8B;
    --nord-aurora-green: #A3BE8C;
    --nord-snow: #ECEFF4;
    --nord-polar: #D8DEE9;
    --nord-gray: #4C566A;
    --heading-font: 'Georgia', serif;
    --body-font: 'Arial', sans-serif;
    --border-radius: 12px;
}

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

body {
    font-family: var(--body-font);
    background-color: var(--nord-snow);
    color: var(--nord-dark);
    line-height: 1.7;
}

a {
    color: var(--nord-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--nord-aurora-red);
}

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

/* Header */
.site-header {
    background: linear-gradient(135deg, var(--nord-dark) 0%, var(--nord-gray) 100%);
    padding: 1.2rem 0;
    box-shadow: 0 4px 12px rgba(46, 52, 64, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--heading-font);
    font-size: 2rem;
    font-weight: 700;
    color: var(--nord-snow);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
}

.nav-links a {
    color: var(--nord-polar);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-links a.active,
.nav-links a:hover {
    background-color: var(--nord-blue);
    color: white;
    transform: translateY(-2px);
}

/* Hamburger styles */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1200;
}
.hamburger-bar {
    width: 28px;
    height: 4px;
    background: var(--nord-polar);
    margin: 4px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        background: linear-gradient(135deg, var(--nord-dark), var(--nord-gray));
        flex-direction: column;
        gap: 0;
        width: 220px;
        box-shadow: 0 8px 24px rgba(46,52,64,0.18);
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        padding: 18px 0;
        margin: 0;
        display: none;
        z-index: 1100;
    }
    .nav-links.nav-open {
        display: flex;
    }
    .nav-links a {
        padding: 12px 24px;
        font-size: 1.1rem;
        color: var(--nord-polar);
        border-radius: 0;
        border-bottom: 1px solid rgba(236,239,244,0.08);
    }
    .nav-links a:last-child {
        border-bottom: none;
    }
}

/* Hero Section */
.hero-area {
    background: linear-gradient(45deg, var(--nord-blue), var(--nord-frost), var(--nord-aurora-green));
    color: white;
    text-align: center;
    padding: 120px 20px;
    position: relative;
    overflow: hidden;
}

.hero-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="white" opacity="0.1"/><circle cx="80" cy="40" r="1" fill="white" opacity="0.2"/><circle cx="40" cy="80" r="1.5" fill="white" opacity="0.15"/></svg>');
    animation: float 20s ease-in-out infinite;
}

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

.hero-area h1 {
    font-family: var(--heading-font);
    font-size: 4rem;
    margin-bottom: 1.5rem;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
}

.hero-area p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.action-btn {
    background: linear-gradient(45deg, var(--nord-aurora-orange), var(--nord-aurora-yellow));
    color: var(--nord-dark);
    padding: 18px 40px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(208, 135, 112, 0.4);
    position: relative;
    z-index: 2;
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(208, 135, 112, 0.6);
    color: var(--nord-dark);
}

/* Disclaimer / Alert Banner */
.alert-box, .disclaimer-banner {
    background: linear-gradient(135deg, #fffaf0, #fff3d9);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(2,6,23,0.06);
    margin: 2.5rem auto;
    padding: 1rem;
}

.disclaimer-banner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    border-left: 6px solid var(--nord-aurora-orange);
}

.disclaimer-icon {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    background: radial-gradient(circle at 30% 20%, var(--nord-aurora-yellow), var(--nord-aurora-orange));
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: 0 6px 18px rgba(208,135,112,0.18);
}

.disclaimer-icon svg {
    width: 34px;
    height: 34px;
}

.disclaimer-content {
    flex: 1 1 auto;
    color: var(--nord-dark);
}

.disclaimer-content h3 {
    font-family: var(--heading-font);
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--nord-aurora-red);
}

.disclaimer-content p {
    margin-bottom: 0.5rem;
    opacity: 0.95;
}

.disclaimer-bullets {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.disclaimer-bullets li {
    list-style: none;
    background: white;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.95rem;
    color: var(--nord-gray);
    border: 1px solid rgba(76,86,106,0.06);
}

.disclaimer-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--nord-blue);
    color: var(--nord-blue);
    padding: 10px 18px;
    border-radius: 22px;
    font-weight: 700;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background-color: var(--nord-blue);
    color: white;
    transform: translateY(-2px);
}

.btn-dismiss {
    background: transparent;
    border: none;
    color: var(--nord-gray);
    padding: 8px 12px;
    border-radius: 18px;
    cursor: pointer;
    font-weight: 600;
}

.btn-dismiss:hover {
    color: var(--nord-dark);
    background: rgba(0,0,0,0.04);
}

/* Centered, stacked layout for small screens */
@media (max-width: 720px) {
    .disclaimer-banner {
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
    }

    .disclaimer-icon {
        width: 56px;
        height: 56px;
    }

    .disclaimer-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

/* Game Area */
.game-area {
    padding: 5rem 0;
    text-align: center;
    background-color: white;
}

.game-area h2 {
    font-family: var(--heading-font);
    font-size: 3rem;
    margin-bottom: 2.5rem;
    color: var(--nord-dark);
}

.game-frame {
    width: 100%;
    max-width: 900px;
    aspect-ratio: 16 / 9;
    border: 8px solid var(--nord-polar);
    border-radius: var(--border-radius);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.game-frame:hover {
    transform: translateY(-5px);
}

.game-area.play-page {
    margin-top: 4rem;
}

/* Content Sections */
.content-section {
    padding: 5rem 0;
    position: relative;
}

.content-section:nth-child(even) {
    background: linear-gradient(135deg, var(--nord-snow), var(--nord-polar));
}

.content-section:nth-child(odd) {
    background: white;
}

.content-section h2 {
    text-align: center;
    font-family: var(--heading-font);
    font-size: 2.8rem;
    margin-bottom: 3.5rem;
    color: var(--nord-dark);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.feature-item {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-top: 4px solid var(--nord-blue);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.feature-item:nth-child(2) {
    border-top-color: var(--nord-aurora-green);
}

.feature-item:nth-child(3) {
    border-top-color: var(--nord-aurora-orange);
}

.feature-item h3 {
    font-family: var(--heading-font);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--nord-dark);
}

/* Reviews Section */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.review-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    border-left: 6px solid var(--nord-frost);
    transition: transform 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
}

.review-card:nth-child(2) {
    border-left-color: var(--nord-aurora-green);
}

.review-card:nth-child(3) {
    border-left-color: var(--nord-aurora-orange);
}

.review-card p {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.review-card .author {
    font-weight: 700;
    text-align: right;
    color: var(--nord-blue);
}

/* Legal & Contact Pages */
.legal-page, .contact-page {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--nord-snow), white);
}

.legal-page .container, .contact-page .container {
    max-width: 900px;
    background: white;
    padding: 4rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.legal-page h1, .contact-page h1 {
    font-family: var(--heading-font);
    margin-bottom: 2.5rem;
    color: var(--nord-dark);
    font-size: 2.5rem;
}

.legal-section {
    margin-bottom: 2.5rem;
}

.legal-section h2 {
    font-size: 1.6rem;
    color: var(--nord-blue);
    border-bottom: 3px solid var(--nord-polar);
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
    font-family: var(--heading-font);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.input-field {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid var(--nord-polar);
    border-radius: var(--border-radius);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--nord-blue);
    box-shadow: 0 0 8px rgba(94, 129, 172, 0.3);
}

/* Footer */
.bottom-footer {
    background: linear-gradient(135deg, var(--nord-dark), var(--nord-gray));
    color: var(--nord-snow);
    padding: 4rem 0 2rem;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.footer-logo {
    font-family: var(--heading-font);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--nord-snow);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--nord-polar);
    padding: 8px 15px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.footer-links a:hover,
.footer-links a.active {
    background-color: var(--nord-blue);
    color: white;
}

.footer-disclaimer {
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.8;
    line-height: 1.6;
}

.copyright {
    margin-top: 2.5rem;
    border-top: 1px solid var(--nord-gray);
    padding-top: 2rem;
    width: 100%;
    font-size: 0.95rem;
    opacity: 0.7;
}

/* Age Verification Modal */
.verification-modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(46, 52, 64, 0.8);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 550px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-top: 6px solid var(--nord-blue);
}

.modal-content h2 {
    font-family: var(--heading-font);
    margin-bottom: 1.5rem;
    color: var(--nord-dark);
    font-size: 2rem;
}

.modal-buttons {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Scroll to Top Button */
#scrollTopBtn {
    display: none;
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 100;
    background: linear-gradient(45deg, var(--nord-blue), var(--nord-light-blue));
    color: white;
    border: none;
    border-radius: 50%;
    width: 55px;
    height: 55px;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 6px 15px rgba(94, 129, 172, 0.4);
    transition: all 0.3s ease;
}

#scrollTopBtn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(94, 129, 172, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 0.9rem;
        padding: 6px 12px;
    }

    .hero-area h1 {
        font-size: 2.8rem;
    }
    
    .hero-area {
        padding: 80px 20px;
    }

    .content-section, .legal-page, .contact-page {
        padding: 3rem 0;
    }

    .legal-page .container, .contact-page .container {
        padding: 2.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }
    
    .hero-area h1 {
        font-size: 2.2rem;
    }
    
    .modal-content {
        margin: 20px;
        padding: 2rem;
    }
}

/* inner container for disclaimer banner to keep layout consistent with .container */
.disclaimer-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 720px) {
    .disclaimer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}