/* ===================================
   DESIGN SYSTEM & VARIABLES
   =================================== */

:root {
    /* Color Palette - Emerald/Teal Theme */
    --bg-primary: #fafafa;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent-primary: #10b981;
    --accent-secondary: #14b8a6;
    --glow-color: rgba(16, 185, 129, 0.5);

    /* Typography */
    --font-mono: 'Space Mono', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Layout */
    --max-width: 800px;
    --glow-size: 50px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s ease;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.4;
    color: #292929;
    background-color: var(--bg-primary);
    overflow-x: hidden;
    position: relative;
    font-weight: 300;
}

/* ===================================
   GLOW BORDER EFFECT
   =================================== */

.glow-border {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 9999;
    /* Asymmetric glow - only left and right sides */
    box-shadow:
        inset var(--glow-size) 0 calc(var(--glow-size) * 1.5) calc(var(--glow-size) * -0.5) var(--glow-color),
        inset calc(var(--glow-size) * -1) 0 calc(var(--glow-size) * 1.5) calc(var(--glow-size) * -0.5) var(--glow-color);
    animation: pulse-glow 5s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow:
            inset var(--glow-size) 0 calc(var(--glow-size) * 1.5) calc(var(--glow-size) * -0.5) var(--glow-color),
            inset calc(var(--glow-size) * -1) 0 calc(var(--glow-size) * 1.5) calc(var(--glow-size) * -0.5) var(--glow-color);
    }

    50% {
        box-shadow:
            inset var(--glow-size) 0 calc(var(--glow-size) * 2) calc(var(--glow-size) * -0.5) rgba(16, 185, 129, 0.7),
            inset calc(var(--glow-size) * -1) 0 calc(var(--glow-size) * 2) calc(var(--glow-size) * -0.5) rgba(16, 185, 129, 0.7);
    }
}

/* ===================================
   NAVIGATION
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(16, 185, 129, 0.1);
}

.logo {
    position: absolute;
    left: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo:hover {
    transform: scale(1.1);
}

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

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition-medium);
}

.nav-links a:hover {
    color: var(--accent-primary);
}

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

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 1.5s ease forwards;
    animation-delay: 0.5s;
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-shadow: none;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   SECTIONS
   =================================== */

.section {
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 300;
    letter-spacing: 0.03em;
    text-align: center;
    margin-bottom: 4rem;
    color: #292929;
    position: relative;
    text-transform: uppercase;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--accent-primary);
    margin: var(--spacing-md) auto 0;
}

.content-block {
    text-align: justify;
}

.content-block p {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-primary);
}

.content-block em {
    font-style: italic;
    color: var(--accent-primary);
    font-weight: 500;
}

/* ===================================
   LINKS GRID
   =================================== */

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.communities-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.link-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-left: 3px solid var(--accent-primary);
    text-decoration: none;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
}

.community-box {
    text-align: center;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-md);
    border: 1px solid rgba(16, 185, 129, 0.1);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(16, 185, 129, 0.02));
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.link-icon {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
    transition: transform var(--transition-medium);
}

.link-icon i {
    width: 32px;
    height: 32px;
    stroke-width: 1.5;
}

.link-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.05), transparent);
    transition: left var(--transition-slow);
}

.link-item:hover::before {
    left: 100%;
}

.link-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.12);
    background: white;
}

.link-item:hover .link-icon {
    transform: scale(1.1) rotate(5deg);
}

.link-label {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.link-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 200px;
}

@media (max-width: 900px) {
    .communities-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-top: 1px solid rgba(124, 58, 237, 0.1);
}

.footer p {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    :root {
        --glow-size: 20px;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .nav-links {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links a {
        font-size: 0.65rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 0.75rem;
    }

    .section {
        min-height: auto;
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .content-block {
        text-align: left;
    }

    .links-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   SMOOTH SCROLLING ENHANCEMENTS
   =================================== */

@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}