body {
    margin: 0;
    min-height: 100vh;
    background-color: #000;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    position: relative;
}

/* Brand color variables - base/prod colors */
:root {
    --brand-primary: #00ccff;
    --brand-secondary: #003366;
}

/* Dev environment colors */
body.dev-env {
    --brand-primary: #00ffcc;
    --brand-secondary: #006633;
}

/* Gradient blur effect */
.brand-gradient-blur {
    background: radial-gradient(circle, var(--brand-primary) 0%, transparent 70%);
    filter: blur(100px);
}

/* Gradient border effect */
.gradient-border {
    position: relative;
    border-radius: 0.5rem;
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(45deg, var(--brand-primary), var(--brand-secondary));
    border-radius: inherit;
    z-index: -1;
    opacity: 0.3;
}

.content {
    position: relative;
    z-index: 1;
    padding: 2rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin: 0.5em 0;
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0.5em 0;
    font-weight: normal;
    opacity: 0.9;
}

/* Markdown content header styles */
.prose h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin: 1.5rem 0 1rem 0;
    line-height: 1.2;
    color: #fff;
}

.prose h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 1.25rem 0 0.75rem 0;
    line-height: 1.3;
    color: #fff;
}

.prose h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem 0;
    line-height: 1.4;
    color: #fff;
}

.prose h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem 0;
    line-height: 1.4;
    color: #fff;
}

.prose h5 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem 0;
    line-height: 1.4;
    color: #fff;
}

.prose h6 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem 0;
    line-height: 1.4;
    color: #fff;
}

.prose p {
    margin: 0.75rem 0;
    line-height: 1.6;
    color: #e5e5e5;
}

.prose ul, .prose ol {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
    color: #e5e5e5;
}

.prose li {
    margin: 0.25rem 0;
}

.prose strong {
    font-weight: bold;
    color: #fff;
}

.prose code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-family: monospace;
    color: var(--brand-primary);
}

.prose a {
    color: var(--brand-primary);
    text-decoration: underline;
}

.prose a:hover {
    color: color-mix(in srgb, var(--brand-primary) 80%, white);
}

#river {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Form styles */
input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

button {
    background: var(--brand-primary);
}

button:hover {
    background: color-mix(in srgb, var(--brand-primary) 80%, white);
}

/* Landing page specific styles */
.primary-cta {
    position: relative;
    overflow: hidden;
}

.primary-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.primary-cta:hover::before {
    left: 100%;
}

.hero-section {
    position: relative;
    min-height: 100vh;
}

.credibility-bar {
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.2);
}

/* Removed pulse animation per user request */

/* Feature sections */
.features-deep-dive h3 {
    background: linear-gradient(135deg, #fff 0%, #e5e5e5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pricing cards */
.pricing .gradient-border:nth-child(2) {
    transform: scale(1.05);
}

.pricing .gradient-border:nth-child(2)::before {
    background: linear-gradient(45deg, var(--brand-primary), #00aaff);
    opacity: 0.5;
}

/* FAQ accordion effect */
/* Removed hover transform animation per user request */

/* Footer links */
footer a {
    transition: color 0.3s ease;
}

/* Sticky navigation enhancement */
nav {
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.9);
}

/* Section spacing */
section {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.hero-section {
    padding-top: 8rem;
    padding-bottom: 8rem;
}

/* Typography enhancements */
h1, h2, h3 {
    letter-spacing: -0.025em;
}

.text-5xl, .text-6xl {
    line-height: 1.1;
}

/* Interactive elements */
/* Removed hover transform animation per user request */

/* Mobile improvements */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 4rem;
    }
    
    .text-5xl {
        font-size: 2.5rem;
    }
    
    .text-6xl {
        font-size: 3rem;
    }
    
    section {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
    
    .grid {
        gap: 2rem;
    }
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .content {
        padding: 1rem;
    }
    
    .primary-cta {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    .credibility-bar {
        padding: 1rem 0;
    }
    
    .credibility-bar .flex {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .final-cta .text-4xl {
        font-size: 2rem;
    }
    
    .final-cta .text-5xl {
        font-size: 2.5rem;
    }
}