:root {
    --primary-color: #00bfff;
    --primary-dark: #0099cc;
    --secondary-color: #1a1a1a;
    --background-color: #000000;
    --text-color: #fafafa;
    --text-muted: #a0a0a0;
    --border-color: #333333;
    --card-bg: #111111;
    --nav-bg: rgba(0, 0, 0, 0.8);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--text-color) !important;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.btn-primary {
    background-color: var(--text-color);
    border-color: var(--text-color);
    color: var(--secondary-color);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-2px);
}

.hero-section {
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-orb {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.orb-gradient {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #00bfff, #0080ff, #0040ff);
    box-shadow: 
        0 0 50px rgba(0, 191, 255, 0.5),
        0 0 100px rgba(0, 191, 255, 0.3),
        inset 0 0 50px rgba(255, 255, 255, 0.1);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 
            0 0 50px rgba(0, 191, 255, 0.5),
            0 0 100px rgba(0, 191, 255, 0.3),
            inset 0 0 50px rgba(255, 255, 255, 0.1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 
            0 0 60px rgba(0, 191, 255, 0.7),
            0 0 120px rgba(0, 191, 255, 0.4),
            inset 0 0 60px rgba(255, 255, 255, 0.2);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.text-primary {
    color: var(--primary-color) !important;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.features-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--background-color) 0%, var(--card-bg) 100%);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 191, 255, 0.1);
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

.cta-section {
    background: linear-gradient(135deg, var(--card-bg), var(--background-color));
    padding: 6rem 0;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.footer h5 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-divider {
    border-color: var(--border-color);
    margin: 2rem 0;
}

.footer-copyright {
    color: var(--text-muted);
    margin: 0;
}

.footer-contact {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
}

.footer-contact a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .hero-orb {
        width: 150px;
        height: 150px;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-orb {
        width: 120px;
        height: 120px;
    }
    
    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 1rem;
    }
}