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

body {
    font-family: 'Poppins', sans-serif;
    background: #f8f9fa;
    color: #212529;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 25px;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 25px;
}

/* Age Check Overlay */
.age-check-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.95) 0%, rgba(13, 148, 136, 0.95) 100%);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.age-check-overlay.active {
    display: flex;
}

.age-check-card {
    background: white;
    padding: 50px 40px;
    border-radius: 20px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.age-check-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.age-check-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: #14b8a6;
    margin-bottom: 20px;
}

.age-check-card p {
    font-size: 16px;
    color: #6c757d;
    margin-bottom: 30px;
    line-height: 1.7;
}

.age-check-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.age-btn-accept, .age-btn-reject {
    padding: 14px 35px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.age-btn-accept {
    background: #14b8a6;
    color: white;
}

.age-btn-accept:hover {
    background: #0d9488;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.4);
}

.age-btn-reject {
    background: #6c757d;
    color: white;
}

.age-btn-reject:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

/* Navigation */
.top-nav {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-text {
    font-size: 24px;
    font-weight: 800;
    color: #14b8a6;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    color: #495057;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #14b8a6;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #14b8a6;
    transition: width 0.3s ease;
}

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

/* Hamburger Menu */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-hamburger span {
    width: 28px;
    height: 3px;
    background: #14b8a6;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.nav-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .nav-hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: white;
    padding: 80px 25px;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: #14b8a6;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: #14b8a6;
    transform: translateY(-3px);
}

/* Key Info Section */
.key-info {
    padding: 70px 25px;
}

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

.info-card {
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-8px);
}

.info-card.red {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
}

.info-card.blue {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

.info-card.orange {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
}

.card-emoji {
    font-size: 50px;
    margin-bottom: 20px;
}

.info-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1f2937;
}

.info-card p {
    color: #4b5563;
    line-height: 1.7;
}

/* Intro Section */
.intro-section {
    padding: 70px 25px;
    background: white;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: start;
}

@media (max-width: 968px) {
    .intro-grid {
        grid-template-columns: 1fr;
    }
}

.intro-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 25px;
    color: #14b8a6;
}

.intro-text p {
    margin-bottom: 20px;
    color: #4b5563;
    font-size: 17px;
    line-height: 1.8;
}

.intro-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-point {
    display: flex;
    gap: 15px;
    align-items: start;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
}

.feature-icon {
    font-size: 28px;
    color: #14b8a6;
    font-weight: 700;
}

.feature-text h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
    color: #1f2937;
}

.feature-text p {
    color: #6c757d;
    font-size: 14px;
}

/* Game Showcase */
.game-showcase {
    padding: 70px 25px;
}

.game-showcase h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #14b8a6;
}

.showcase-intro {
    text-align: center;
    color: #4b5563;
    font-size: 17px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.game-display {
    background: #1f2937;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.game-window {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 15px;
    display: block;
}

/* Benefits Section */
.benefits-section {
    padding: 70px 25px;
    background: white;
}

.benefits-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #14b8a6;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.benefit-box {
    background: #f8f9fa;
    padding: 35px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.benefit-box:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.15);
    transform: translateY(-5px);
}

.benefit-num {
    font-size: 48px;
    font-weight: 800;
    color: #14b8a6;
    margin-bottom: 15px;
}

.benefit-box h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1f2937;
}

.benefit-box p {
    color: #6c757d;
    line-height: 1.7;
}

/* Responsibility Banner */
.responsibility-banner {
    padding: 60px 25px;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    text-align: center;
}

.responsibility-banner h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #0c4a6e;
}

.responsibility-banner p {
    max-width: 900px;
    margin: 0 auto;
    color: #0c4a6e;
    font-size: 17px;
    line-height: 1.8;
}

/* Play Page */
.play-header {
    padding: 60px 25px;
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: white;
    text-align: center;
}

.play-header h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
}

.play-header p {
    font-size: 18px;
    opacity: 0.95;
}

.game-area {
    padding: 50px 25px;
}

.game-box {
    background: #1f2937;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.game-frame-large {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 15px;
    display: block;
}

.play-info {
    padding: 60px 25px;
    background: white;
}

.play-info h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #14b8a6;
}

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

.play-info-card {
    background: #f8f9fa;
    padding: 35px;
    border-radius: 15px;
}

.play-info-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #14b8a6;
}

.play-info-card p {
    color: #6c757d;
    line-height: 1.7;
}

/* Legal Page */
.legal-page {
    padding: 70px 25px;
}

.legal-page h1 {
    font-size: 44px;
    font-weight: 800;
    color: #14b8a6;
    margin-bottom: 15px;
}

.legal-date {
    font-style: italic;
    color: #adb5bd;
    margin-bottom: 50px;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1f2937;
}

.legal-section p {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 15px;
}

.alert-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 3px solid #f59e0b;
    border-radius: 15px;
    padding: 35px;
    margin-bottom: 50px;
}

.alert-box h2 {
    color: #92400e;
    margin-bottom: 15px;
}

.alert-box p {
    color: #78350f;
    font-size: 17px;
}

/* Footer */
.site-footer {
    background: #1f2937;
    color: #e5e7eb;
    padding: 60px 25px 30px;
}

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

.footer-col h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #14b8a6;
}

.footer-col p {
    line-height: 1.7;
    color: #9ca3af;
}

.footer-col a {
    display: block;
    color: #d1d5db;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: #14b8a6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #9ca3af;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .intro-text h2,
    .game-showcase h2,
    .benefits-section h2,
    .play-info h2 {
        font-size: 30px;
    }

    .game-window,
    .game-frame-large {
        height: 450px;
    }

    .legal-page h1 {
        font-size: 34px;
    }

    .legal-section h2 {
        font-size: 22px;
    }
}