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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Age Verification */
.age-verification-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 138, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
}

.age-verification-overlay.hidden {
    display: none;
}

.verification-panel {
    background: #fff;
    padding: 50px 45px;
    border-radius: 16px;
    max-width: 550px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.panel-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.panel-heading {
    font-size: 2.2em;
    color: #1e3a8a;
    font-weight: 700;
    margin-bottom: 20px;
}

.panel-message {
    font-size: 1.1em;
    color: #475569;
    margin-bottom: 25px;
}

.panel-notice {
    background: #eff6ff;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid #3b82f6;
}

.panel-notice p {
    color: #1e40af;
    margin-bottom: 8px;
}

.panel-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    flex: 1;
    padding: 16px 28px;
    font-size: 1.05em;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.action-btn.primary {
    background: #1e3a8a;
    color: #fff;
}

.action-btn.primary:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
}

.action-btn.secondary {
    background: #64748b;
    color: #fff;
}

.action-btn.secondary:hover {
    background: #475569;
}

/* Navbar */
.navbar {
    background: #1e3a8a;
    padding: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-name {
    font-size: 1.8em;
    font-weight: 700;
    color: #fff;
}

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

.nav-links .link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links .link:hover,
.nav-links .link.active {
    background: rgba(255, 255, 255, 0.15);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.toggle-bar {
    width: 28px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: #fff;
    padding: 100px 30px;
    text-align: center;
}

.hero-title {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.4em;
    margin-bottom: 40px;
    font-weight: 400;
}

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

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Main */
.main {
    padding: 80px 0;
}

/* Introduction */
.intro {
    margin-bottom: 80px;
}

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

.section-title {
    font-size: 2.5em;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 25px;
}

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

.text-block {
    font-size: 1.1em;
    color: #475569;
    margin-bottom: 20px;
    line-height: 1.8;
}

.visual-card {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: #fff;
    padding: 40px 35px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.2);
}

.card-heading {
    font-size: 1.6em;
    margin-bottom: 25px;
}

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

.card-list li {
    padding: 10px 0;
    font-size: 1.05em;
}

/* Essentials */
.essentials {
    margin-bottom: 80px;
}

.essentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.essential-card {
    background: #fff;
    padding: 40px 35px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    border-top: 4px solid #1e3a8a;
}

.card-icon {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.6em;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.card-description {
    font-size: 1.05em;
    color: #64748b;
    line-height: 1.7;
}

/* Game Showcase */
.game-showcase {
    background: #fff;
    padding: 60px 30px;
    border-radius: 12px;
    margin-bottom: 80px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.showcase-header {
    text-align: center;
    margin-bottom: 40px;
}

.showcase-subtitle {
    font-size: 1.2em;
    color: #64748b;
    margin-top: 10px;
}

.game-container {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.2);
}

.game-embed {
    width: 100%;
    height: 700px;
    border: none;
    display: block;
}

.showcase-footer {
    text-align: center;
    color: #64748b;
}

/* Benefits */
.benefits {
    margin-bottom: 80px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-item {
    background: #fff;
    padding: 35px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

.benefit-name {
    font-size: 1.3em;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.benefit-desc {
    color: #64748b;
    line-height: 1.7;
}

/* Responsible */
.responsible {
    background: #fff;
    padding: 60px 30px;
    border-radius: 12px;
    margin-bottom: 80px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.responsible-intro {
    font-size: 1.1em;
    color: #475569;
    margin-bottom: 35px;
    text-align: center;
}

.responsible-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.responsible-block {
    background: #f8fafc;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
}

.block-title {
    font-size: 1.3em;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 12px;
}

.block-text {
    color: #64748b;
    line-height: 1.7;
}

/* CTA */
.cta {
    margin-bottom: 80px;
}

.cta-content {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: #fff;
    padding: 70px 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(30, 58, 138, 0.3);
}

.cta-title {
    font-size: 2.8em;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-subtitle {
    font-size: 1.3em;
    margin-bottom: 35px;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #1e3a8a;
    padding: 18px 45px;
    font-size: 1.2em;
    font-weight: 700;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    background: #0f172a;
    color: #fff;
    padding: 60px 30px 30px;
}

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

.footer-heading {
    font-size: 1.3em;
    font-weight: 700;
    margin-bottom: 20px;
    color: #60a5fa;
}

.footer-text {
    color: #cbd5e1;
    line-height: 1.7;
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: #60a5fa;
}

.footer-legal {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
}

/* Play Page */
.page-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-title {
    font-size: 3em;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.3em;
    color: #64748b;
}

.player {
    margin-bottom: 80px;
}

.player-container {
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.player-frame {
    width: 100%;
    height: 750px;
    border: none;
    display: block;
}

.play-info {
    margin-bottom: 80px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    background: #fff;
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.info-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

.info-title {
    font-size: 1.3em;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.info-text {
    color: #64748b;
    line-height: 1.7;
}

.reminders {
    margin-bottom: 80px;
}

.reminders-box {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: #fff;
    padding: 50px 45px;
    border-radius: 12px;
}

.reminders-title {
    font-size: 2.2em;
    margin-bottom: 35px;
}

.reminders-list {
    display: grid;
    gap: 20px;
}

.reminder-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
}

.reminder-dot {
    font-size: 1.5em;
    flex-shrink: 0;
}

.troubleshoot {
    margin-bottom: 80px;
}

.troubleshoot-intro {
    text-align: center;
    font-size: 1.15em;
    color: #64748b;
    margin-bottom: 40px;
}

.troubleshoot-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #fff;
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.step-number {
    width: 60px;
    height: 60px;
    background: #1e3a8a;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8em;
    font-weight: 700;
    margin-bottom: 20px;
}

.step-content h4 {
    font-size: 1.2em;
    color: #1e3a8a;
    margin-bottom: 10px;
    font-weight: 700;
}

.step-content p {
    color: #64748b;
}

/* Document Pages */
.doc-hero {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: #fff;
    padding: 80px 30px;
    text-align: center;
    margin-bottom: 60px;
}

.doc-title {
    font-size: 3.5em;
    font-weight: 700;
    margin-bottom: 15px;
}

.doc-subtitle {
    font-size: 1.3em;
}

.doc-date {
    font-size: 1.1em;
}

.doc-body {
    margin-bottom: 80px;
}

.document {
    background: #fff;
    padding: 50px 45px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.doc-intro {
    background: #eff6ff;
    padding: 30px;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
    margin-bottom: 40px;
}

.doc-intro p {
    font-size: 1.1em;
    color: #475569;
    line-height: 1.8;
}

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

.doc-section h2 {
    font-size: 2em;
    color: #1e3a8a;
    font-weight: 700;
    margin-bottom: 20px;
}

.doc-section h3 {
    font-size: 1.5em;
    color: #3b82f6;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 15px;
}

.doc-section p {
    font-size: 1.05em;
    color: #475569;
    line-height: 1.8;
    margin-bottom: 15px;
}

.doc-section ul {
    margin: 15px 0 15px 30px;
}

.doc-section li {
    margin-bottom: 10px;
    color: #475569;
    line-height: 1.7;
}

.doc-notice {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    padding: 35px;
    border-radius: 12px;
    border-left: 6px solid #3b82f6;
    margin-top: 50px;
}

.doc-notice h3 {
    color: #1e3a8a;
    font-size: 1.6em;
    margin-bottom: 15px;
    font-weight: 700;
}

.doc-notice p {
    font-size: 1.1em;
    color: #334155;
}

.doc-notice ul {
    list-style: none;
    margin-top: 15px;
}

.doc-notice li {
    padding: 8px 0;
    font-weight: 500;
}

.critical-notice {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: #fff;
    padding: 45px 40px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 50px;
}

.notice-icon {
    font-size: 4.5em;
    margin-bottom: 20px;
}

.critical-notice h2 {
    font-size: 2.3em !important;
    margin-bottom: 20px !important;
    color: #fff !important;
}

.critical-notice p {
    color: #fff !important;
    font-size: 1.1em;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #1e40af;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-links.active {
        max-height: 500px;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .game-embed,
    .player-frame {
        height: 450px;
    }

    .verification-panel {
        padding: 30px 20px;
        margin: 20px;
    }

    .panel-actions {
        flex-direction: column;
    }

    .benefits-grid,
    .info-grid,
    .troubleshoot-steps {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .page-title {
        font-size: 2.2em;
    }

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

    .cta-title {
        font-size: 2.2em;
    }

    .game-embed,
    .player-frame {
        height: 350px;
    }
}