/* Reset and Base Styles */
* 
{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root 
{
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
}

body 
{
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container 
{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar 
{
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container 
{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand 
{
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.shield-icon 
{
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
    stroke-width: 2;
}

.nav-menu 
{
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a 
{
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active 
{
    color: var(--primary-color);
}

.menu-toggle 
{
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span 
{
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* Hero Section */
.hero 
{
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before 
{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container 
{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
}

.hero-content 
{
    z-index: 1;
}

.hero-title 
{
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text 
{
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle 
{
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons 
{
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Shield Visual */
.shield-container 
{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-shield 
{
    width: 300px;
    height: 330px;
    filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.5));
    animation: float 6s ease-in-out infinite;
}

@keyframes float 
{
    0%, 100% 
    {
        transform: translateY(0);
    }
    50% 
    {
        transform: translateY(-20px);
    }
}

.pulse-ring 
{
    position: absolute;
    width: 350px;
    height: 350px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse 
{
    0% 
    {
        transform: scale(0.8);
        opacity: 1;
    }
    100% 
    {
        transform: scale(1.2);
        opacity: 0;
    }
}

/* Buttons */
.btn 
{
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary 
{
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover 
{
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary 
{
    background: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover 
{
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

.btn-outline 
{
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover 
{
    background: var(--primary-color);
    color: white;
}

.btn-large 
{
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* Sections */
.features-section,
.pricing-section 
{
    padding: 6rem 0;
}

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

.section-subtitle 
{
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 4rem;
}

/* Feature Cards */
.features-grid 
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card 
{
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover 
{
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.feature-icon 
{
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg 
{
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
    stroke-width: 2;
}

.feature-card h3 
{
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p 
{
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Pricing Cards */
.pricing-grid 
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card 
{
    background: var(--card-bg);
    border-radius: 16px;
    border: 2px solid var(--border-color);
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover 
{
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured 
{
    border-color: var(--primary-color);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.3);
}

.popular-badge 
{
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header 
{
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 
{
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.price 
{
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.currency 
{
    font-size: 1.5rem;
    vertical-align: super;
}

.period 
{
    font-size: 1rem;
    color: var(--text-muted);
}

.pricing-features 
{
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li 
{
    padding: 0.75rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
}

.pricing-features li::before 
{
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.25rem;
}

.pricing-card .btn 
{
    width: 100%;
    text-align: center;
}

/* CTA Section */
.cta-section 
{
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.cta-section h2 
{
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p 
{
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Tier Pages Specific Styles */
.tier-hero 
{
    padding: 4rem 0;
    text-align: center;
}

.tier-hero h1 
{
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tier-price 
{
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 1.5rem 0;
}

.tier-description 
{
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.features-list 
{
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 0;
}

.feature-item 
{
    background: var(--card-bg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.feature-item h3 
{
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-item p 
{
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Research Page */
.research-grid 
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    padding: 4rem 0;
}

.research-card 
{
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.research-card h3 
{
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.research-card .date 
{
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* About Page */
.about-content 
{
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 0;
}

.about-content h2 
{
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
    color: var(--primary-color);
}

.about-content p 
{
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.team-grid 
{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.team-member 
{
    text-align: center;
}

.team-member img 
{
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 1rem;
    border: 3px solid var(--primary-color);
}

.team-member h3 
{
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.team-member p 
{
    color: var(--text-muted);
}

/* Footer */
.footer 
{
    background: var(--dark-bg);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content 
{
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand 
{
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-links 
{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 
{
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-column a 
{
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

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

.footer-bottom 
{
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 968px) 
{
    .hero .container 
    {
        grid-template-columns: 1fr;
    }
    
    .hero-shield 
    {
        width: 200px;
        height: 220px;
    }
    
    .hero-title 
    {
        font-size: 2.5rem;
    }
    
    .pricing-grid,
    .features-grid 
    {
        grid-template-columns: 1fr;
    }
    
    .nav-menu 
    {
        display: none;
    }
    
    .menu-toggle 
    {
        display: flex;
    }
    
    .footer-content 
    {
        grid-template-columns: 1fr;
    }
    
    .footer-links 
    {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) 
{
    .hero-title 
    {
        font-size: 2rem;
    }
    
    .section-title 
    {
        font-size: 2rem;
    }
    
    .hero-buttons 
    {
        flex-direction: column;
        width: 100%;
    }
    
    .btn 
    {
        width: 100%;
        text-align: center;
    }
}