/* ======================================
   RFT COSMOLOGY - Main Stylesheet
   Reality Built on Light
====================================== */

/* === Core Variables === */
:root {
    /* Colors */
    --space-black: #070b14;
    --deep-space: #0c1220;
    --cosmic-navy: #121d33;
    --stellar-blue: #234876;
    --nebula-purple: #7e6b9e;
    --nebula-blue: #7d8cc4;
    --distant-stars: #b2c6ef;
    --starlight: #eefbfc;
    --cosmic-highlight: #64ffda;
    --scalaron-glow: #7c74ff;
    --twistor-glow: #ff74a8;
    
    /* Typography */
    --heading-font: 'Space Grotesk', sans-serif;
    --body-font: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 5rem;
    
    /* Borders & Effects */
    --border-radius: 6px;
    --card-radius: 12px;
    --transition-speed: 0.3s;
    --transition-function: cubic-bezier(0.4, 0, 0.2, 1);
    --glow-shadow: 0 0 15px rgba(100, 255, 218, 0.15);
}

/* === Reset & Base Styles === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.7;
    font-weight: 300;
    color: var(--starlight);
    background-color: var(--space-black);
    position: relative;
}

/* === Background Effects === */
.cosmos-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
                var(--space-black) 0%, 
                var(--cosmic-navy) 70%, 
                var(--space-black) 100%);
    z-index: -2;
    overflow: hidden;
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(1px 1px at 25% 10%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 25%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 40%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 10% 60%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 30% 85%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 70%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 90%, rgba(255, 255, 255, 0.8) 0%, transparent 100%);
    opacity: 0.5;
    z-index: -1;
}

.twinkle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, var(--cosmic-highlight) 0%, transparent 100%),
        radial-gradient(2px 2px at 40% 70%, var(--scalaron-glow) 0%, transparent 100%),
        radial-gradient(2px 2px at 60% 20%, var(--twistor-glow) 0%, transparent 100%),
        radial-gradient(2px 2px at 80% 60%, var(--cosmic-highlight) 0%, transparent 100%);
    opacity: 0.3;
    z-index: -1;
}

/* === Layout === */
.content-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

main {
    flex: 1;
    width: 100%;
    z-index: 1;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--starlight);
}

h1 {
    font-size: 4rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
    color: var(--cosmic-highlight);
}

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--cosmic-highlight);
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-function);
}

a:hover {
    color: rgba(100, 255, 218, 0.9);
}

strong {
    font-weight: 600;
    color: var(--cosmic-highlight);
}

/* === Header & Navigation === */
header {
    padding: var(--space-md) 0;
    position: relative;
    z-index: 10;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.logo {
    position: relative;
}

.logo-text {
    font-family: var(--heading-font);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--starlight);
    position: relative;
    z-index: 1;
    padding: var(--space-xs) 0;
}

.logo a:hover .logo-text {
    color: var(--cosmic-highlight);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--distant-stars);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    position: relative;
    z-index: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--cosmic-highlight);
    transition: width var(--transition-speed) var(--transition-function);
    z-index: -1;
}

.nav-link:hover, .nav-link.active {
    color: var(--starlight);
    text-decoration: none;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* === Hero Section === */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xl) 0 var(--space-xxl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    z-index: 1;
}

.hero-title {
    position: relative;
    background: linear-gradient(to right, var(--starlight), var(--cosmic-highlight) 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.subtitle {
    font-size: 1.5rem;
    font-family: var(--heading-font);
    color: var(--nebula-blue);
    margin-bottom: var(--space-lg);
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    color: var(--distant-stars);
}

.scalar-field {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at center, 
                                    rgba(100, 255, 218, 0.05) 0%, 
                                    transparent 40%);
    z-index: 0;
    opacity: 0.7;
}

/* === Buttons === */
.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-lg);
}

.button {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-speed) var(--transition-function);
    cursor: pointer;
}

.primary {
    background-color: var(--cosmic-highlight);
    color: var(--space-black);
    box-shadow: 0 4px 14px rgba(100, 255, 218, 0.2);
}

.primary:hover {
    background-color: rgba(100, 255, 218, 0.9);
    color: var(--space-black);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(100, 255, 218, 0.3);
}

.secondary {
    background-color: rgba(125, 140, 196, 0.1);
    color: var(--distant-stars);
    border: 1px solid rgba(125, 140, 196, 0.3);
}

.secondary:hover {
    background-color: rgba(125, 140, 196, 0.15);
    color: var(--starlight);
    text-decoration: none;
    transform: translateY(-2px);
    border-color: var(--nebula-blue);
}

/* === Features Section === */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin: 0 auto var(--space-xxl);
    max-width: 1100px;
}

.feature-card {
    background: linear-gradient(to bottom, 
                rgba(18, 29, 51, 0.7), 
                rgba(7, 11, 20, 0.7));
    border: 1px solid rgba(125, 140, 196, 0.15);
    border-radius: var(--card-radius);
    padding: var(--space-lg);
    transition: all var(--transition-speed) var(--transition-function);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, transparent, var(--cosmic-highlight), transparent);
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-function);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(125, 140, 196, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(18, 29, 51, 0.8);
    position: relative;
}

.icon-scalaron {
    color: var(--scalaron-glow);
}

.icon-twistor {
    color: var(--twistor-glow);  
}

.icon-predictions {
    color: var(--cosmic-highlight);
}

.feature-card h3 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--distant-stars);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === Theory Preview Section === */
.theory-preview {
    padding: var(--space-xl) 0;
    margin: 0 auto var(--space-xl);
    max-width: 900px;
}

.theory-content {
    background: linear-gradient(to right, 
                rgba(18, 29, 51, 0.4), 
                rgba(12, 18, 32, 0.4));
    border-radius: var(--card-radius);
    padding: var(--space-xl);
    border-left: 3px solid var(--cosmic-highlight);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.theory-intro {
    font-size: 1.2rem;
    color: var(--nebula-blue);
    margin-bottom: var(--space-lg);
}

.theory-points {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.theory-point {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.point-marker {
    color: var(--cosmic-highlight);
    font-family: var(--heading-font);
    font-weight: 600;
}

.point-text {
    color: var(--distant-stars);
}

.theory-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 500;
    margin-top: var(--space-md);
    padding: var(--space-xs) 0;
    position: relative;
}

.arrow {
    transition: transform var(--transition-speed) var(--transition-function);
}

.theory-link:hover .arrow {
    transform: translateX(4px);
}

/* === Footer === */
footer {
    padding: var(--space-lg) 0;
    text-align: center;
    color: var(--distant-stars);
    border-top: 1px solid rgba(125, 140, 196, 0.1);
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-quote {
    font-style: italic;
    font-size: 0.875rem;
    color: var(--nebula-purple);
    opacity: 0.8;
}

.tagline {
    color: var(--cosmic-highlight);
    font-family: var(--heading-font);
    font-weight: 500;
}

/* === Responsive Design === */
@media (max-width: 900px) {
    h1 {
        font-size: 3rem;
    }
    
    .hero-description {
        font-size: 1rem;
        padding: 0 var(--space-md);
    }
    
    .theory-content {
        padding: var(--space-lg);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.25rem;
    }
    
    .nav-links {
        gap: var(--space-md);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
    
    .cta-buttons .button {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .main-nav {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .nav-links {
        width: 100%;
        justify-content: space-between;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .hero {
        padding-top: var(--space-lg);
    }
    
    .feature-card {
        padding: var(--space-md);
    }
    
    .theory-content {
        padding: var(--space-md);
    }
}

/* === Animation Effects === */
@keyframes pulse {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.feature-icon {
    animation: pulse 3s infinite;
}

.icon-scalaron {
    animation: pulse 4s infinite;
}

.icon-twistor {
    animation: pulse 5s infinite;
}

.icon-predictions {
    animation: pulse 6s infinite;
}

/* === Code Example Section === */
.code-example {
    background: rgba(7, 11, 20, 0.8);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin: var(--space-lg) auto;
    max-width: 800px;
}

.code-example pre {
    padding: var(--space-lg);
    margin: 0;
    overflow-x: auto;
}

.code-example code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--starlight);
    display: block;
}

/* === Additional Styling for New Sections === */
.predictions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.prediction-card {
    background: rgba(18, 29, 51, 0.4);
    border: 1px solid rgba(125, 140, 196, 0.2);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    transition: all 0.3s ease;
}

.prediction-card:hover {
    border-color: var(--cosmic-highlight);
    transform: translateY(-2px);
}

.prediction-card h3 {
    color: var(--starlight);
    margin-bottom: var(--space-md);
    font-size: 1.25rem;
}

/* === New Homepage Sections === */

/* Framework Status */
.framework-status {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--border-radius);
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
    font-size: 0.95rem;
    color: var(--distant-stars);
}

.framework-status strong {
    color: #FFC107;
}

/* Smoking Gun Insight */
.smoking-gun-insight {
    background: linear-gradient(135deg, rgba(124, 116, 255, 0.05), rgba(100, 255, 218, 0.05));
    border: 2px solid rgba(124, 116, 255, 0.3);
    border-radius: var(--card-radius);
    padding: var(--space-xxl);
    margin: var(--space-xxl) 0;
    text-align: center;
}

.insight-container h3 {
    color: var(--scalaron-glow);
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.insight-container p {
    color: var(--starlight);
    font-size: 1.2rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.insight-link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(124, 116, 255, 0.2);
    border: 1px solid rgba(124, 116, 255, 0.3);
    border-radius: var(--border-radius);
    color: var(--starlight);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.insight-link:hover {
    background: rgba(124, 116, 255, 0.3);
    transform: translateY(-2px);
}

/* Disclaimer */
.disclaimer {
    background: rgba(125, 140, 196, 0.1);
    border-left: 3px solid var(--nebula-blue);
    padding: var(--space-md);
    margin: var(--space-lg) 0;
    border-radius: var(--border-radius);
}

.disclaimer p {
    color: var(--distant-stars);
    font-size: 0.9rem;
    margin: 0;
    font-style: italic;
}

/* Reality Check */
.reality-check {
    background: rgba(18, 29, 51, 0.6);
    border: 1px solid rgba(125, 140, 196, 0.2);
    border-radius: var(--card-radius);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
}

.check-container h3 {
    color: var(--cosmic-highlight);
    margin-bottom: var(--space-lg);
}

.check-container ul {
    list-style: none;
    padding: 0;
}

.check-container li {
    padding: var(--space-sm) 0;
    color: var(--distant-stars);
    font-size: 1.1rem;
}

.check-container li.verified {
    color: var(--cosmic-highlight);
}

.check-container li.pending {
    color: #FFC107;
}

/* Collaboration Box */
.collaboration-box {
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.05), rgba(124, 116, 255, 0.05));
    border: 2px solid rgba(100, 255, 218, 0.3);
    border-radius: var(--card-radius);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
    text-align: center;
}

.collab-container h3 {
    color: var(--cosmic-highlight);
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
}

.collab-container p {
    color: var(--distant-stars);
    margin-bottom: var(--space-lg);
}

.collab-container ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-lg);
}

.collab-container li {
    padding: var(--space-sm) 0;
    color: var(--starlight);
}

.collab-container li::before {
    content: "• ";
    color: var(--cosmic-highlight);
    font-weight: bold;
}

.collab-link {
    display: inline-flex;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    background: var(--cosmic-highlight);
    color: var(--space-black);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed);
}

.collab-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.3);
}