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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Return Navigation */
.return-nav {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 9999;
}

.return-btn {
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 12px 18px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.return-btn:hover {
    background: rgba(0, 0, 0, 1);
    transform: translateX(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #00d4ff;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: #00d4ff;
}

.nav-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #00d4ff;
}

.login-btn {
    background: #00d4ff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s ease;
}

.login-btn:hover {
    background: #0099cc;
}

/* Main Content */
.main-content {
    padding: 80px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-section {
    text-align: center;
    margin-bottom: 80px;
}

.hero-logo {
    font-size: 5rem;
    color: #00d4ff;
    margin-bottom: 30px;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.highlight {
    color: #00d4ff;
}

.hero-section p {
    font-size: 1.2rem;
    color: #ccc;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

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

.card {
    background: rgba(42, 42, 74, 0.8);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #444;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #00d4ff;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #00d4ff;
}

.card h3 {
    color: #00d4ff;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.card p {
    color: #ccc;
    margin-bottom: 20px;
    line-height: 1.5;
}

.card-btn {
    background: #00d4ff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s ease;
}

.card-btn:hover {
    background: #0099cc;
}

.loading-text {
    color: #888;
    font-style: italic;
}

/* Latest Updates Section */
.latest-updates {
    padding: 80px 0 40px;
    text-align: center;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.latest-updates h2 {
    font-size: 2.5rem;
    color: #00d4ff;
}

.view-all-btn {
    background: #00d4ff;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s ease;
}

.view-all-btn:hover {
    background: #0099cc;
}

.section-subtitle {
    color: #ccc;
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* Quick Actions Section */
.quick-actions {
    padding: 80px 0;
    text-align: center;
}

.quick-actions h2 {
    font-size: 2.5rem;
    color: #00d4ff;
    margin-bottom: 50px;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.quick-action-card {
    background: rgba(42, 42, 74, 0.8);
    padding: 30px 20px;
    border-radius: 10px;
    border: 1px solid #444;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-action-card:hover {
    transform: translateY(-5px);
    border-color: #00d4ff;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.action-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.action-icon.profile {
    background: #00d4ff;
    color: #000;
}

.action-icon.community {
    background: #9b59b6;
    color: #fff;
}

.action-icon.downloads {
    background: #27ae60;
    color: #fff;
}

.action-icon.support {
    background: #e67e22;
    color: #fff;
}

.quick-action-card h3 {
    color: #fff;
    font-size: 1.2rem;
    margin: 0;
}

/* Footer */
.footer {
    background: rgba(26, 26, 46, 0.9);
    border-top: 1px solid #00d4ff;
    padding: 40px 50px 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: #00d4ff;
    margin-bottom: 15px;
}

.footer-section p, .footer-section li {
    color: #ccc;
    margin-bottom: 8px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a:hover {
    color: #00d4ff;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #888;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .main-content {
        padding: 40px 20px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .latest-updates h2, .quick-actions h2 {
        font-size: 2rem;
    }
    
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}