/* CSRaid Landing Page - Dark Cybersecurity Theme with Mobile-First Design */
:root {
    --cyber-dark: #0a0a0f;
    --cyber-darker: #050507;
    --cyber-blue: #00d4ff;
    --cyber-purple: #6c5ce7;
    --cyber-green: #00ff88;
    --cyber-red: #ff3838;
    --cyber-orange: #ff8c00;
    --cyber-gray: #1a1a2e;
    --cyber-light-gray: #2d2d44;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --text-muted: #8b8ba7;
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --glow-green: 0 0 20px rgba(0, 255, 136, 0.3);
    --glow-purple: 0 0 20px rgba(108, 92, 231, 0.3);
}

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

body {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--cyber-dark);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(108, 92, 231, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Cybersecurity grid pattern overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

.header {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--cyber-blue);
    text-decoration: none;
    text-shadow: var(--glow-blue);
    font-family: 'JetBrains Mono', monospace;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyber-green);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--cyber-green);
    text-shadow: var(--glow-green);
}

.nav-links a:hover::after {
    width: 100%;
}

.language-selector {
    position: relative;
}

.language-btn {
    background: linear-gradient(135deg, var(--cyber-purple), var(--cyber-blue));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: var(--glow-purple);
}

.language-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4);
}

.language-menu {
    position: absolute;
    top: 120%;
    right: 0;
    background: var(--cyber-gray);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    padding: 0.5rem 0;
    display: none;
    min-width: 140px;
    backdrop-filter: blur(20px);
}

.language-menu.show {
    display: block;
    animation: fadeInDown 0.3s ease;
}

.language-option {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.language-option:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--cyber-blue);
}

.language-option.active {
    background: var(--cyber-blue);
    color: var(--cyber-dark);
}

.hero {
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top, rgba(0, 212, 255, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse at bottom, rgba(108, 92, 231, 0.1) 0%, transparent 60%);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-green));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    line-height: 1.2;
}

.hero h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-weight: 400;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--cyber-green), var(--cyber-blue));
    color: var(--cyber-dark);
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: var(--glow-green);
    border: 2px solid transparent;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.4);
    background: transparent;
    color: var(--cyber-green);
    border-color: var(--cyber-green);
}

.features, .ai-capabilities {
    background: var(--cyber-gray);
    padding: 5rem 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.features-content, .ai-capabilities-content {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--cyber-blue);
    text-shadow: var(--glow-blue);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.features-grid, .ai-capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card, .ai-capability-card {
    background: var(--cyber-light-gray);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.feature-card::before, .ai-capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover, .ai-capability-card:hover {
    transform: translateY(-8px);
    border-color: var(--cyber-blue);
    box-shadow: var(--glow-blue);
}

.feature-card:hover::before, .ai-capability-card:hover::before {
    left: 100%;
}

.feature-icon, .ai-capability-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.feature-card h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-capability-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.ai-capabilities h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--cyber-green);
    text-shadow: var(--glow-green);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about {
    background: var(--cyber-darker);
    color: white;
    padding: 5rem 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: var(--cyber-purple);
    text-shadow: var(--glow-purple);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.footer {
    background: var(--cyber-darker);
    color: white;
    padding: 3rem 2rem 1rem;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--cyber-blue);
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

.footer-section ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.footer-section ul li a:hover {
    color: var(--cyber-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ad Integration Styles */
.ad-container-section {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 2rem 0;
    background: rgba(5, 5, 7, 0.3);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.ad-space {
    margin: 0 auto;
    text-align: center;
    min-height: 100px;
    max-width: 728px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 46, 0.5);
    border: 1px dashed rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.ad-space:hover {
    background: rgba(26, 26, 46, 0.8);
    border-color: var(--cyber-blue);
    box-shadow: var(--glow-blue);
}

.ad-space::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.ad-space:hover::before {
    left: 100%;
}

.ad-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.ad-content {
    position: relative;
    z-index: 1;
}

.adsterra-ad, .adsterra-placeholder {
    border-radius: 8px;
    overflow: hidden;
}

/* Mobile Navigation Improvements */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--cyber-blue);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .nav {
        position: relative;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--cyber-gray);
        flex-direction: column;
        gap: 0;
        padding: 1rem;
        border-radius: 0 0 12px 12px;
        border: 1px solid rgba(0, 212, 255, 0.3);
        border-top: none;
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .nav-links.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    }
    
    .nav-links li:last-child {
        border-bottom: none;
    }
    
    .language-selector {
        position: static;
    }
    
    .language-menu {
        position: static;
        box-shadow: none;
        border: none;
        background: transparent;
        margin-top: 0.5rem;
    }
    
    .hero {
        padding: 3rem 1rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.1;
    }
    
    .hero h2 {
        font-size: 1.3rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .features, .ai-capabilities {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid, .ai-capabilities-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .feature-card, .ai-capability-card {
        padding: 2rem 1.5rem;
    }
    
    .about {
        padding: 3rem 1rem;
    }
    
    .about h2 {
        font-size: 2.2rem;
    }
    
    .about p {
        font-size: 1.1rem;
    }
    
    .footer {
        padding: 2rem 1rem 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .ad-container-section {
        padding: 1.5rem 0;
    }
    
    .ad-space {
        margin: 0 1rem;
        min-height: 80px;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.75rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 2rem 0.75rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .hero h2 {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .features, .ai-capabilities, .about {
        padding: 2rem 0.75rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 0.5rem;
    }
    
    .about h2 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .feature-card, .ai-capability-card {
        padding: 1.5rem 1rem;
    }
    
    .feature-icon, .ai-capability-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
    }
    
    .ai-capability-card p {
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 1.5rem 0.75rem 1rem;
    }
    
    .ad-container-section {
        padding: 1rem 0;
    }
    
    .ad-space {
        margin: 0 0.75rem;
        min-height: 70px;
        max-width: 280px;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-section p, .footer-section ul li a {
        font-size: 0.9rem;
    }
}