/* UQXN - Universal Quantum eXchange Network Styles */
/* Black & Gold Dark Theme - Mobile First Design */

:root {
    /* Color Palette */
    --primary-black: #000000;
    --deep-black: #0a0a0a;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #888888;
    --primary-gold: #FFD700;
    --bright-gold: #FFED4E;
    --dark-gold: #B8860B;
    --accent-orange: #FFA500;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: #ffffff;
    background-color: var(--primary-black);
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Quantum Particles Canvas */
#quantum-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }

p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.text-gold {
    color: var(--primary-gold);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-normal);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--primary-gold);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    z-index: 1001;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background: var(--primary-gold);
    transition: var(--transition-fast);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(9.5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-9.5px);
}

/* Navigation Menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--deep-black);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
    transition: var(--transition-normal);
    z-index: 999;
}

.nav-menu.active {
    right: 0;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: var(--transition-fast);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.8;
    animation: fadeInUp 1s ease 0.2s both;
}

/* Buttons */
.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    border-radius: 50px;
    transition: var(--transition-normal);
    min-width: 200px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-gold);
    color: var(--primary-black);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    background: var(--bright-gold);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

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

/* Quantum Orb */
.hero-visual {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.quantum-orb {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--bright-gold), var(--primary-gold), var(--dark-gold));
    box-shadow: 
        0 0 60px rgba(255, 215, 0, 0.5),
        inset 0 0 40px rgba(255, 215, 0, 0.3);
    animation: pulse 3s ease-in-out infinite, float 6s ease-in-out infinite;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 2;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* About Section */
.about {
    background: var(--deep-black);
}

.about-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.about-content {
    margin-bottom: var(--spacing-md);
}

.lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-light);
    margin-bottom: var(--spacing-md);
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    text-align: center;
}

.stat {
    padding: var(--spacing-md) var(--spacing-sm);
    background: var(--dark-gray);
    border-radius: 10px;
    border: 1px solid var(--medium-gray);
    transition: var(--transition-normal);
}

.stat:hover {
    border-color: var(--primary-gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-gold);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Features Section */
.features {
    background: var(--primary-black);
}

.features-grid {
    display: grid;
    gap: var(--spacing-md);
}

.feature-card {
    padding: var(--spacing-md);
    background: var(--dark-gray);
    border-radius: 15px;
    border: 1px solid var(--medium-gray);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.1);
}

.feature-icon {
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    animation: float 4s ease-in-out infinite;
}

.feature-card:nth-child(2) .feature-icon {
    animation-delay: 1s;
}

.feature-card:nth-child(3) .feature-icon {
    animation-delay: 2s;
}

.feature-card:nth-child(4) .feature-icon {
    animation-delay: 3s;
}

/* Technology Section */
.technology {
    background: var(--deep-black);
}

.tech-showcase {
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    margin-bottom: var(--spacing-md);
}

.tech-item h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-gold);
}

.tech-bar {
    height: 8px;
    background: var(--dark-gray);
    border-radius: 10px;
    overflow: hidden;
}

.tech-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--dark-gold), var(--primary-gold));
    border-radius: 10px;
    animation: progressLoad 2s ease;
}

/* Contact Section */
.contact {
    background: var(--primary-black);
    text-align: center;
}

.contact-intro {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-gold);
    text-decoration: none;
    font-size: 1.125rem;
    transition: var(--transition-fast);
}

.contact-link:hover {
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
}

/* Footer */
.footer {
    background: var(--deep-black);
    border-top: 1px solid var(--dark-gray);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--dark-gray);
    opacity: 0.6;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

@keyframes progressLoad {
    from {
        width: 0;
    }
}

/* Tablet Styles */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        flex-direction: row;
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .quantum-orb {
        width: 300px;
        height: 300px;
    }
    
    .about-grid {
        grid-template-columns: 2fr 1fr;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-links {
        flex-direction: row;
        justify-content: center;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .hero {
        min-height: 100vh;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: var(--spacing-xl);
    }
    
    .hero-buttons {
        justify-content: flex-start;
    }
    
    .quantum-orb {
        width: 400px;
        height: 400px;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .footer-brand {
        margin-bottom: 0;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print Styles */
@media print {
    .navbar, .hero-buttons, #quantum-particles {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}