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

body {
    font-family: 'Exo 2', sans-serif;
    background: linear-gradient(180deg, #082f49 0%, #0c4a6e 50%, #082f49 100%);
    color: #e0f2fe;
    line-height: 1.65;
    min-height: 100vh;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(8, 47, 73, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1.5rem;
}

.modal-overlay.hidden {
    display: none;
}

.modal-box {
    background: linear-gradient(135deg, #155e75 0%, #0891b2 100%);
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 25px 60px rgba(6, 182, 212, 0.4);
    border: 3px solid #22d3ee;
    overflow: hidden;
}

.modal-header {
    background: rgba(8, 47, 73, 0.6);
    padding: 2.5rem;
    text-align: center;
    border-bottom: 2px solid #22d3ee;
}

.modal-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.modal-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
}

.modal-body {
    padding: 2.5rem;
    text-align: center;
}

.modal-body p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #e0f2fe;
}

.modal-info {
    font-size: 1.1rem;
    font-style: italic;
    color: #bae6fd;
}

.modal-actions {
    padding: 0 2.5rem 2.5rem;
    display: flex;
    gap: 1.5rem;
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: 1.3rem 2rem;
    font-size: 1.2rem;
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(34, 197, 94, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, #b91c1c 0%, #ef4444 100%);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(239, 68, 68, 0.5);
}

.top-bar {
    background: linear-gradient(90deg, #155e75 0%, #0891b2 50%, #155e75 100%);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    border-bottom: 3px solid #06b6d4;
}

.top-bar-content {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.logo-graphic {
    width: 55px;
    height: 55px;
}

.logo-text {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-line {
    display: block;
    width: 32px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: 0.3s;
}

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

.nav-link {
    color: #e0f2fe;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(34, 211, 238, 0.3);
    color: #fff;
}

.mobile-menu-overlay {
    display: none;
}

.hero-area {
    background: linear-gradient(135deg, rgba(21, 94, 117, 0.9) 0%, rgba(8, 145, 178, 0.9) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%2306b6d4" width="1200" height="600"/></svg>');
    background-size: cover;
    background-position: center;
    padding: 10rem 2.5rem;
    text-align: center;
    position: relative;
}

.hero-overlay {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 2rem;
    text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.6);
    letter-spacing: 2px;
}

.hero-text {
    font-size: 1.8rem;
    color: #e0f2fe;
    max-width: 900px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-btn {
    display: inline-block;
    padding: 1.5rem 4rem;
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 800;
    border-radius: 50px;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 2px;
    box-shadow: 0 10px 35px rgba(6, 182, 212, 0.5);
}

.hero-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 45px rgba(6, 182, 212, 0.7);
}

.section-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

.content-section {
    padding: 6rem 0;
    background: rgba(12, 74, 110, 0.4);
}

.section-heading {
    font-size: 3.5rem;
    font-weight: 800;
    text-align: center;
    color: #fff;
    margin-bottom: 2rem;
}

.section-intro {
    font-size: 1.4rem;
    text-align: center;
    color: #e0f2fe;
    max-width: 1000px;
    margin: 0 auto;
    line-height: 1.8;
}

.card-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(21, 94, 117, 0.3) 0%, rgba(8, 145, 178, 0.3) 100%);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.info-card {
    background: rgba(8, 47, 73, 0.7);
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid #0891b2;
    transition: all 0.3s;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(6, 182, 212, 0.4);
    border-color: #22d3ee;
}

.card-header {
    padding: 2.5rem;
    text-align: center;
}

.card-header.cyan {
    background: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
}

.card-header.teal {
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
}

.card-header.sky {
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
}

.card-emoji {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
}

.card-header h3 {
    font-size: 2.2rem;
    color: #fff;
    font-weight: 800;
}

.card-content {
    padding: 2.5rem;
}

.card-content p {
    font-size: 1.2rem;
    color: #e0f2fe;
    line-height: 1.8;
}

.game-display-section {
    padding: 6rem 0;
    background: rgba(8, 47, 73, 0.6);
}

.game-window {
    margin-top: 3rem;
    background: rgba(0, 0, 0, 0.6);
    padding: 2.5rem;
    border-radius: 20px;
    border: 3px solid #0891b2;
}

.game-display {
    width: 100%;
    height: 700px;
    border-radius: 12px;
}

.alert-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, rgba(21, 94, 117, 0.4) 0%, rgba(8, 145, 178, 0.4) 100%);
}

.alert-box {
    background: rgba(8, 47, 73, 0.8);
    padding: 3rem;
    border-radius: 15px;
    border-left: 8px solid;
}

.alert-box.warning {
    border-left-color: #f59e0b;
}

.alert-box h3 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 2rem;
    font-weight: 800;
}

.alert-content {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.alert-item {
    font-size: 1.2rem;
    color: #e0f2fe;
    line-height: 1.8;
    padding: 1.5rem;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 8px;
}

.alert-item strong {
    color: #fff;
    display: block;
    margin-bottom: 0.5rem;
}

.features-section {
    padding: 6rem 0;
    background: rgba(12, 74, 110, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-box {
    background: rgba(8, 47, 73, 0.6);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid rgba(6, 182, 212, 0.3);
    transition: all 0.3s;
}

.feature-box:hover {
    transform: translateY(-5px);
    border-color: #06b6d4;
    background: rgba(8, 145, 178, 0.3);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.feature-box h4 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 800;
}

.feature-box p {
    font-size: 1.1rem;
    color: #e0f2fe;
    line-height: 1.7;
}

.site-footer {
    background: linear-gradient(135deg, #155e75 0%, #0891b2 100%);
    padding: 4rem 2.5rem;
    text-align: center;
    border-top: 4px solid #06b6d4;
}

.footer-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-heading {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.footer-text {
    font-size: 1.3rem;
    color: #e0f2fe;
    margin-bottom: 2.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.footer-link {
    color: #bae6fd;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 600;
    transition: color 0.3s;
}

.footer-link:hover {
    color: #fff;
}

.footer-copyright {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .top-nav {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background: #155e75;
        flex-direction: column;
        gap: 0;
        padding: 1.5rem 0;
        transform: translateX(-100%);
        transition: transform 0.3s;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    
    .top-nav.active {
        transform: translateX(0);
    }
    
    .mobile-menu-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.7);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }
    
    .mobile-menu-overlay.active {
        display: block;
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link {
        padding: 1.2rem 2.5rem;
        border-radius: 0;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-text {
        font-size: 1.4rem;
    }
    
    .section-heading {
        font-size: 2.5rem;
    }
    
    .game-display {
        height: 500px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }
}