/* Banza Bridge Foundation - Theme System CSS */

/* CSS Custom Properties for Theme System */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --bg-glass: rgba(255, 255, 255, 0.08);
    --bg-glass-hover: rgba(255, 255, 255, 0.12);
    
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-tertiary: #b0b0b0;
    --text-muted: #808080;
    
    --border-primary: rgba(255, 255, 255, 0.15);
    --border-secondary: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(235, 181, 64, 0.3);
    
    --shadow-light: rgba(0, 0, 0, 0.2);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --shadow-heavy: rgba(0, 0, 0, 0.5);
    
    /* Gold colors remain consistent */
    --bbf-gold: #ebb540;
    --bbf-gold-dark: #d4a028;
    --bbf-gold-light: #f5c55a;
    --bbf-black: #000000;
    --bbf-white: #ffffff;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-glass: rgba(0, 0, 0, 0.05);
    --bg-glass-hover: rgba(0, 0, 0, 0.08);
    
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-tertiary: #6c757d;
    --text-muted: #adb5bd;
    
    --border-primary: rgba(0, 0, 0, 0.15);
    --border-secondary: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(235, 181, 64, 0.4);
    
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.25);
}

/* Base Body Styles */
body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    transition: all 0.3s ease;
    min-height: 100vh;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 1001;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: 50px;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.theme-toggle i {
    font-size: 1rem;
    color: var(--bbf-gold);
}

/* Enhanced Typography for Better Legibility */
.hero-title {
    font-size: clamp(2.8rem, 5vw, 4.8rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 4px 20px var(--shadow-medium);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.9rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 300;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.section-header h2 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.section-header p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 300;
}

/* Enhanced Glass Morphism */
.glass-morphism {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    transition: all 0.4s ease;
}

.glass-morphism:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px var(--shadow-medium);
}

/* Navigation Enhancements */
.main-nav {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-secondary);
}

.nav-logo {
    color: var(--bbf-gold);
}

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

.nav-links a:hover {
    color: var(--bbf-gold);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
}

.stat-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.stat-number {
    color: var(--bbf-gold);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
}

.stat-label {
    color: var(--text-secondary);
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 500;
}

/* Feature Cards */
.feature-card h3 {
    color: var(--text-primary);
    font-size: clamp(1.3rem, 2vw, 1.6rem);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    line-height: 1.7;
}

/* Metric Cards */
.metric-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
}

.metric-card h3 {
    color: var(--text-primary);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.metric-stat {
    color: var(--bbf-gold);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.metric-card p {
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    line-height: 1.7;
}

/* Leader Cards */
.leader-info h3 {
    color: var(--text-primary);
    font-size: clamp(1.3rem, 2vw, 1.6rem);
}

.leader-title {
    color: var(--bbf-gold);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.leader-bio {
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    line-height: 1.7;
}

/* Award Cards */
.award-card h3 {
    color: var(--text-primary);
    font-size: clamp(1.2rem, 2vw, 1.4rem);
}

.award-year {
    color: var(--bbf-gold);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
}

.award-card p:not(.award-year) {
    color: var(--text-secondary);
    font-size: clamp(0.85rem, 1.5vw, 1rem);
    line-height: 1.7;
}

/* Action Cards */
.action-card h3 {
    color: var(--text-primary);
    font-size: clamp(1.3rem, 2vw, 1.6rem);
}

.action-card p {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    line-height: 1.7;
}

/* Contact Section */
.contact-item h4 {
    color: var(--text-primary);
    font-size: clamp(1.1rem, 1.5vw, 1.3rem);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
}

.contact-form {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
}

.contact-form input,
.contact-form textarea {
    background: var(--bg-glass);
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--bbf-gold);
    box-shadow: 0 0 20px rgba(235, 181, 64, 0.2);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-secondary);
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
}

.footer-section p,
.footer-section ul li a {
    color: var(--text-secondary);
}

.footer-section ul li a:hover {
    color: var(--bbf-gold);
}

.footer-bottom p {
    color: var(--text-tertiary);
}

.footer-links a {
    color: var(--text-tertiary);
}

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

/* Partner Logos */
.partner-logo {
    background: var(--bg-glass);
    border: 1px solid var(--border-secondary);
}

.partner-logo span {
    color: var(--text-primary);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
}

.partner-logo:hover {
    border-color: var(--border-hover);
}

/* Responsive Improvements */
@media (max-width: 1200px) {
    .theme-toggle {
        right: 1rem;
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 80px;
        right: 1rem;
        padding: 0.5rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .features-grid,
    .programs-grid,
    .leadership-grid,
    .awards-grid,
    .community-actions {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .metric-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .impact-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .theme-toggle {
        position: relative;
        top: auto;
        right: auto;
        margin: 1rem;
        align-self: flex-end;
    }
}

/* Print Styles */
@media print {
    .theme-toggle {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .glass-morphism {
        background: white;
        border: 1px solid #ddd;
    }
}