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

body {
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    min-height: 100vh;
    color: #e0e0e0;
}

/* Age Modal */
.age-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
}

.age-modal.visible {
    display: block;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #1a1f3a 0%, #2a2f4a 100%);
    border: 2px solid #00ffff;
    border-radius: 10px;
    padding: 3rem 2.5rem;
    max-width: 600px;
    width: 90%;
    text-align: center;
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.4);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 10px #00ffff);
}

.modal-content h2 {
    font-size: 2rem;
    color: #00ffff;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    letter-spacing: 2px;
}

.modal-msg {
    font-size: 1.1rem;
    color: #b0b0b0;
    margin-bottom: 1rem;
}

.modal-question {
    font-size: 1.2rem;
    color: #ffffff;
    margin: 2rem 0;
    font-weight: 600;
}

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

.modal-buttons button {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid #00ffff;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
}

.btn-accept {
    background: #00ffff;
    color: #0a0e27;
}

.btn-accept:hover {
    background: #00cccc;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
    transform: scale(1.05);
}

.btn-reject {
    background: transparent;
    color: #00ffff;
}

.btn-reject:hover {
    background: rgba(0, 255, 255, 0.1);
}

/* Mobile Navigation Trigger */
.mobile-nav-trigger {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid #00ffff;
    border-radius: 5px;
}

.mobile-nav-trigger span {
    display: block;
    width: 30px;
    height: 3px;
    background: #00ffff;
    transition: all 0.3s ease;
}

.mobile-nav-trigger.open span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 9px);
}

.mobile-nav-trigger.open span:nth-child(2) {
    opacity: 0;
}

.mobile-nav-trigger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Header */
.main-header {
    background: rgba(26, 31, 58, 0.95);
    border-bottom: 2px solid #00ffff;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.2);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.8rem;
    font-weight: 900;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    letter-spacing: 3px;
}

.logo-symbol {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 8px #00ffff);
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.7rem 1.2rem;
    border: 1px solid transparent;
    border-radius: 5px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.nav-link:hover {
    color: #00ffff;
    border-color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.nav-link.active {
    color: #0a0e27;
    background: #00ffff;
    border-color: #00ffff;
}

/* Main Content */
.page-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Hero Zone */
.hero-zone {
    text-align: center;
    margin-bottom: 3rem;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05) 0%, rgba(138, 43, 226, 0.05) 100%);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
}

.hero-title {
    font-size: 3rem;
    color: #00ffff;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 1.4rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.stat-item {
    font-size: 1rem;
    color: #00ffff;
    font-weight: 600;
    letter-spacing: 1px;
}

.stat-divider {
    color: #00ffff;
}

/* Warning Grid */
.warning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.warning-card {
    padding: 2.5rem;
    border-radius: 10px;
    border: 2px solid;
    background: rgba(26, 31, 58, 0.6);
    transition: all 0.3s ease;
}

.warning-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
}

.card-type-a {
    border-color: #00ffff;
}

.card-type-b {
    border-color: #8a2be2;
}

.card-type-c {
    border-color: #ff1493;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.warning-card h3 {
    font-size: 1.5rem;
    color: #00ffff;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.warning-card p {
    color: #b0b0b0;
    line-height: 1.7;
    font-size: 1rem;
}

/* Info Panel */
.info-panel {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 3rem;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.2rem;
    color: #00ffff;
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    letter-spacing: 2px;
}

.info-text p {
    color: #b0b0b0;
    line-height: 1.9;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

/* Game Zone */
.game-zone {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 3rem;
    margin-bottom: 3rem;
}

.game-display {
    max-width: 1100px;
    margin: 0 auto 2rem;
    aspect-ratio: 16 / 10;
    border: 2px solid #00ffff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

.game-embed {
    width: 100%;
    height: 100%;
    border: none;
}

.game-notes {
    text-align: center;
    color: #b0b0b0;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Features Area */
.features-area {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 3rem;
    margin-bottom: 3rem;
}

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

.feature-module {
    padding: 2rem;
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-module:hover {
    border-color: #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
    transform: scale(1.05);
}

.feature-symbol {
    font-size: 3rem;
    margin-bottom: 1.2rem;
}

.feature-module h4 {
    font-size: 1.2rem;
    color: #00ffff;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.feature-module p {
    color: #b0b0b0;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Page Title Zone */
.page-title-zone {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05) 0%, rgba(138, 43, 226, 0.05) 100%);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    margin-bottom: 3rem;
}

.page-title-zone h1 {
    font-size: 2.5rem;
    color: #00ffff;
    margin-bottom: 1rem;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    letter-spacing: 2px;
}

.page-title-zone p {
    font-size: 1.2rem;
    color: #b0b0b0;
}

/* Instructions Module */
.instructions-module {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 2.5rem;
    margin-bottom: 3rem;
}

.module-header {
    font-size: 1.8rem;
    color: #00ffff;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.instructions-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.instruction-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.row-marker {
    color: #00ffff;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.instruction-row p {
    color: #b0b0b0;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Tips Zone */
.tips-zone {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 3rem;
    margin-bottom: 3rem;
}

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

.tip-module {
    padding: 2rem;
    background: rgba(10, 14, 39, 0.5);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
}

.tip-module h4 {
    font-size: 1.2rem;
    color: #00ffff;
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.tip-module p {
    color: #b0b0b0;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Legal Container */
.legal-container {
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 3rem;
    margin-bottom: 3rem;
}

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

.legal-block h2 {
    font-size: 1.6rem;
    color: #00ffff;
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}

.legal-block p {
    color: #b0b0b0;
    line-height: 1.9;
    font-size: 1rem;
}

.critical-block {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1) 0%, rgba(138, 43, 226, 0.1) 100%);
    border: 2px solid #00ffff;
    border-radius: 8px;
    padding: 2.5rem;
    margin-bottom: 2.5rem;
}

.critical-block h2 {
    font-size: 1.6rem;
    color: #00ffff;
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}

.critical-block p {
    color: #e0e0e0;
    line-height: 1.9;
    font-size: 1rem;
}

/* Footer */
.main-footer {
    background: rgba(26, 31, 58, 0.95);
    border-top: 2px solid #00ffff;
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.footer-block h3 {
    font-size: 1.3rem;
    color: #00ffff;
    margin-bottom: 1.2rem;
    letter-spacing: 1px;
}

.footer-block p {
    color: #b0b0b0;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.resource-list {
    list-style: none;
    margin-top: 1rem;
}

.resource-list li {
    margin-bottom: 0.8rem;
}

.resource-list a {
    color: #00ffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.resource-list a:hover {
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
}

.info-list {
    list-style: none;
}

.info-list li {
    color: #b0b0b0;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.copyright {
    font-weight: 700;
    color: #00ffff;
    letter-spacing: 1px;
}

.tagline {
    font-style: italic;
    color: #8a2be2;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .mobile-nav-trigger {
        display: flex;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 80px;
        right: 20px;
        flex-direction: column;
        background: rgba(26, 31, 58, 0.98);
        border: 2px solid #00ffff;
        border-radius: 8px;
        padding: 1.5rem;
        gap: 0.5rem;
        box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
    }

    .main-nav.open {
        display: flex;
    }

    .page-main {
        padding: 2rem 1rem;
    }

    .hero-zone {
        padding: 2.5rem 1.5rem;
    }

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

    .hero-desc {
        font-size: 1.1rem;
    }

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

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

    .tips-layout {
        grid-template-columns: 1fr;
    }

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

    .modal-content {
        padding: 2rem 1.5rem;
    }

    .modal-content h2 {
        font-size: 1.6rem;
    }

    .modal-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .modal-buttons button {
        width: 100%;
    }
}