/*
UBEC Protocol Website - Ubuntu-Inspired Design System
======================================================

Philosophy: "I am because we are" - Ubuntu
Design: Nature-inspired, community-centered, regenerative

Attribution:
    This project uses the services of Claude and Anthropic PBC to inform 
    our decisions and recommendations. This project was made possible with 
    the assistance of Claude and Anthropic PBC.

Color Philosophy:
    - Interdependence: Colors work together, not in hierarchy
    - Natural harmony: Like ecosystems, each color has its role
    - Community focus: Warm, welcoming, inclusive earth tones
    - Regenerative spirit: Colors evoke growth and renewal

Version: 2.0.0 (Ubuntu-Enhanced)
Date: November 5, 2025
*/

/* ========================================================================
   ROOT VARIABLES - Ubuntu Color Palette
   ======================================================================== */

:root {
    /* Holonic Category Colors - Dynamic Earth Tones */
    --ubuntu-exemplar: #B08BBB;      /* Soft Amethyst - Wisdom & Leadership */
    --ubuntu-integrator: #8FBC8F;    /* Sage Green - Growth & Balance */
    --ubuntu-contributor: #87CEEB;   /* Sky Blue - Cooperation & Clarity */
    --ubuntu-participant: #E8A87C;   /* Terracotta - Community & Warmth */
    --ubuntu-observer: #9CB4CC;      /* Soft Slate - Reflection & Neutrality */
    
    /* Four Element Colors */
    --element-air: #B8D4E8;          /* Light Sky - Gateway & Openness */
    --element-water: #7FC7C4;        /* Soft Teal - Flow & Reciprocity */
    --element-earth: #8AA67E;        /* Moss Green - Stability & Mutualism */
    --element-fire: #F4A896;         /* Soft Coral - Transformation & Regeneration */
    
    /* Functional Colors */
    --primary-gradient-start: #667eea;
    --primary-gradient-end: #764ba2;
    --success: #4CAF50;
    --warning: #FFC107;
    --error: #f44336;
    --info: #2196F3;
    
    /* Neutral Palette */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #95a5a6;
    --background: #ffffff;
    --background-alt: #f8f9fa;
    --background-dark: #2c3e50;
    --border: #e0e0e0;
    --border-light: #ecf0f1;
    
    /* Spacing System (8px base) */
    --spacing-xs: 0.25rem;    /* 4px */
    --spacing-sm: 0.5rem;     /* 8px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-xxl: 3rem;      /* 48px */
    --spacing-xxxl: 4rem;     /* 64px */
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-monospace: 'Courier New', Courier, monospace;
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 2rem;        /* 32px */
    --font-size-4xl: 2.5rem;      /* 40px */
    --font-size-5xl: 3rem;        /* 48px */
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================================================================
   TYPOGRAPHY
   ======================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

a {
    color: var(--primary-gradient-start);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-gradient-end);
}

.lead {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.6;
}

.ubuntu-quote {
    font-style: italic;
    color: var(--text-secondary);
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-lg);
    border-left: 4px solid var(--element-earth);
}

/* ========================================================================
   LAYOUT COMPONENTS
   ======================================================================== */

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

.main-content {
    flex: 1;
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.section {
    padding: var(--spacing-xxxl) 0;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.section-description {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto var(--spacing-xxl);
    line-height: 1.8;
}

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

.navbar {
    background: var(--background);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid var(--border-light);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.navbar-brand .logo {
    display: flex;
    flex-direction: column;
    color: var(--primary-gradient-start);
    transition: color var(--transition-base);
}

.navbar-brand .logo:hover {
    color: var(--primary-gradient-end);
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: bold;
    letter-spacing: -0.5px;
}

.logo-subtext {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 400;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary-gradient-start);
    transition: transform var(--transition-base);
}

.nav-link:hover {
    background: var(--background-alt);
    color: var(--primary-gradient-start);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
    color: var(--primary-gradient-start);
    background: var(--background-alt);
}

.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

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

.hero {
    /* Ubuntu Earth-Tone Gradient - Used on ALL pages */
    background: linear-gradient(135deg, #8AA67E 0%, #7FC7C4 50%, #B8D4E8 100%);
    color: white;
    padding: var(--spacing-xxxl) 0;
    text-align: center;
    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(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Alternative gradients for specific pages (if needed) */
/* Uncomment and apply class to customize individual pages */

/* .hero-professional {
    background: linear-gradient(135deg, #8FBC8F 0%, #87CEEB 100%);
}

.hero-community {
    background: linear-gradient(135deg, #8AA67E 0%, #E8A87C 100%);
}

.hero-subtle {
    background: linear-gradient(135deg, #7FC7C4 0%, #8FBC8F 100%);
} */

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

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xxl);
    opacity: 0.95;
    font-weight: 300;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: transform var(--transition-base);
}

.stat:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: bold;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================================================
   FOUR ELEMENTS SECTION
   ======================================================================== */

.four-elements {
    padding: var(--spacing-xxxl) 0;
    background: var(--background-alt);
}

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

.element-card {
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.element-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: height var(--transition-slow);
}

.element-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.element-card:hover::before {
    height: 8px;
}

/* Element-specific colors and gradients */
.element-air {
    border-top-color: var(--element-air);
}

.element-air::before {
    background: linear-gradient(90deg, var(--element-air), var(--ubuntu-contributor));
}

.element-water {
    border-top-color: var(--element-water);
}

.element-water::before {
    background: linear-gradient(90deg, var(--element-water), var(--ubuntu-integrator));
}

.element-earth {
    border-top-color: var(--element-earth);
}

.element-earth::before {
    background: linear-gradient(90deg, var(--element-earth), var(--ubuntu-integrator));
}

.element-fire {
    border-top-color: var(--element-fire);
}

.element-fire::before {
    background: linear-gradient(90deg, var(--element-fire), var(--ubuntu-participant));
}

.element-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.element-symbol {
    font-size: var(--font-size-5xl);
    display: block;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.element-name {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.element-body {
    text-align: center;
}

.token-code {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--primary-gradient-start);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-monospace);
}

.ubuntu-principle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.element-description {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.element-stats {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.element-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.element-stat .stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.element-stat .stat-value {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.element-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.element-status.status-live {
    background: #e8f5e9;
    color: var(--success);
}

.element-status.status-pending {
    background: #fff3e0;
    color: var(--warning);
}

.element-status.status-ready {
    background: #e3f2fd;
    color: var(--info);
}

/* ========================================================================
   BUTTONS
   ======================================================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-align: center;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.btn:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--primary-gradient-start);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

/* ========================================================================
   CARDS & BOXES
   ======================================================================== */

.card {
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.card-body {
    color: var(--text-primary);
}

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

.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.attribution {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* ========================================================================
   UTILITY CLASSES
   ======================================================================== */

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: inline-block;
}

.badge.status-live {
    background: #e8f5e9;
    color: var(--success);
}

.badge.status-pending {
    background: #fff3e0;
    color: var(--warning);
}

.badge.status-error {
    background: #ffebee;
    color: var(--error);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

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

/* Stories Page Specific Styles */
/* Note: .stories-hero inherits the earth-tone gradient from .hero class above */
/* No need to redefine - maintains consistency across all pages */

.stories-hero .hero-content,
.stories-hero h1,
.stories-hero .lead,
.stories-hero .hero-description {
    position: relative;
    z-index: 1;
}

/* Page-Specific Header Variations (Optional) */
/* Apply these classes alongside .hero if you want different gradients for specific pages */

/* Dashboard: Subtle zen gradient */
.dashboard-header.hero {
    background: linear-gradient(135deg, #7FC7C4 0%, #8FBC8F 100%);
}

/* Protocol: Professional sage to sky */
.protocol-hero.hero {
    background: linear-gradient(135deg, #8FBC8F 0%, #87CEEB 100%);
}

/* About: Warm community gradient */
.about-header.hero {
    background: linear-gradient(135deg, #8AA67E 0%, #E8A87C 100%);
}

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

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .navbar-menu {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .elements-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .element-card {
        padding: var(--spacing-lg);
    }
}

/* ========================================================================
   ANIMATIONS
   ======================================================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
    animation: slideIn 0.6s ease-out;
}

/* ========================================================================
   PRINT STYLES
   ======================================================================== */

@media print {
    .navbar,
    .footer,
    .btn {
        display: none;
    }
    
    * {
        box-shadow: none !important;
    }
    
    a {
        text-decoration: underline;
    }
}