/* HISA People Chain Africa - CSS Styling */

/* CSS Custom Properties */
:root {
    --primary-blue: #007AFF;     /* iOS Blue */
    --lime-green: #32CD32;       /* Lime Green */
    --charcoal-gray: #36454F;    /* Charcoal Gray */
    --midnight-blue: #191970;    /* Midnight Blue */
    
    /* Additional colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark: #212529;
    --success: var(--lime-green);
    --info: var(--primary-blue);
    --warning: #ffc107;
    --danger: #dc3545;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--charcoal-gray);
    background-color: var(--white);
    font-size: 16px;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-gray);
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.8rem;
}

h4 {
    font-size: 1.4rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--medium-gray);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    color: var(--charcoal-gray);
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--midnight-blue), var(--charcoal-gray));
    padding: var(--spacing-sm) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

header.scrolled {
    background: rgba(25, 25, 112, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    color: var(--white);
    font-family: var(--font-display);
}

.logo span:first-child {
    font-size: 2rem;
    font-weight: 700;
    color: var(--lime-green);
}

.logo-sub {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: -5px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

nav a {
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

nav a:hover {
    background-color: var(--primary-blue);
    transform: translateY(-2px);
}

nav a i {
    font-size: 0.9rem;
}

.mobile-toggle {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--midnight-blue), var(--primary-blue));
    padding: 120px 0 80px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--lime-green);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, var(--lime-green), #28a428);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(45deg, #28a428, var(--lime-green));
}

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

.stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--lime-green);
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Section Styles */
.section {
    padding: var(--spacing-xxl) 0;
}

.section:nth-child(even) {
    background-color: var(--light-gray);
}

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

.section-header h2 {
    color: var(--charcoal-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-header h2 i {
    color: var(--primary-blue);
}

.divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-blue), var(--lime-green));
    margin: var(--spacing-md) auto;
    border-radius: 2px;
}

/* Mission Statement */
.mission-statement {
    background: linear-gradient(135deg, var(--primary-blue), var(--midnight-blue));
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.mission-statement h3 {
    color: var(--lime-green);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.mission-statement blockquote {
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.8;
    position: relative;
    padding: 0 var(--spacing-lg);
}

.mission-statement blockquote::before,
.mission-statement blockquote::after {
    content: '"';
    font-size: 3rem;
    color: var(--lime-green);
    position: absolute;
    top: -10px;
}

.mission-statement blockquote::before {
    left: 0;
}

.mission-statement blockquote::after {
    right: 0;
}

/* Grid Layouts */
.features-grid,
.problems-grid,
.solutions-grid,
.pools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Feature Cards */
.feature,
.problem-card,
.solution-card,
.pool-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 122, 255, 0.1);
}

.feature:hover,
.problem-card:hover,
.solution-card:hover,
.pool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature i,
.problem-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.feature h4,
.problem-card h3 {
    color: var(--charcoal-gray);
    margin-bottom: var(--spacing-sm);
}

/* Solution Cards */
.solution-card {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.solution-icon {
    background: linear-gradient(135deg, var(--primary-blue), var(--lime-green));
    color: var(--white);
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.solution-content h3 {
    color: var(--charcoal-gray);
    margin-bottom: var(--spacing-sm);
}

/* Pool Cards */
.pool-card {
    text-align: center;
}

.pool-icon {
    background: linear-gradient(135deg, var(--midnight-blue), var(--charcoal-gray));
    color: var(--white);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-md);
}

.pool-card ul {
    list-style: none;
    margin-top: var(--spacing-md);
}

.pool-card li {
    padding: var(--spacing-xs) 0;
    color: var(--medium-gray);
    border-bottom: 1px solid #eee;
}

.pool-card li:last-child {
    border-bottom: none;
}

/* Token Overview */
.token-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.token-card {
    background: linear-gradient(135deg, var(--charcoal-gray), var(--midnight-blue));
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.token-card h3 {
    color: var(--lime-green);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.token-card ul {
    list-style: none;
}

.token-card li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.token-card li:last-child {
    border-bottom: none;
}

/* Distribution Chart */
.distribution-chart {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.distribution-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.dist-label {
    min-width: 150px;
    font-weight: 500;
    color: var(--charcoal-gray);
}

.dist-bar {
    height: 30px;
    background: linear-gradient(45deg, var(--primary-blue), var(--lime-green));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    margin-left: var(--spacing-md);
    min-width: 50px;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    margin-top: var(--spacing-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

thead {
    background: linear-gradient(135deg, var(--charcoal-gray), var(--midnight-blue));
}

th {
    color: var(--white);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid #eee;
    color: var(--charcoal-gray);
}

tr:hover {
    background-color: var(--light-gray);
}

td i {
    color: var(--primary-blue);
    margin-right: var(--spacing-xs);
}

/* Conclusion Section */
.conclusion {
    background: linear-gradient(135deg, var(--midnight-blue), var(--charcoal-gray));
    color: var(--white);
}

.conclusion-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.conclusion p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.vision {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.vision h3 {
    color: var(--lime-green);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Footer */
footer {
    background: var(--charcoal-gray);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--lime-green);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.link-group h4 {
    color: var(--lime-green);
    margin-bottom: var(--spacing-md);
}

.link-group a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-partners {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: rgba(255, 255, 255, 0.6);
}

.partner-logos {
    display: flex;
    gap: var(--spacing-sm);
}

.partner-logos i {
    font-size: 1.5rem;
    color: var(--lime-green);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .token-overview {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-card {
        flex-direction: column;
        text-align: center;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--midnight-blue);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }
    
    nav ul.show {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .problems-grid,
    .solutions-grid,
    .pools-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .table-container {
        font-size: 0.9rem;
    }
    
    th, td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .feature,
    .problem-card,
    .solution-card,
    .pool-card {
        padding: var(--spacing-lg);
    }
    
    .mission-statement {
        padding: var(--spacing-lg);
    }
    
    .mission-statement blockquote {
        font-size: 1rem;
        padding: 0;
    }
}

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

.feature,
.problem-card,
.solution-card,
.pool-card {
    animation: fadeInUp 0.6s ease forwards;
}

.feature:nth-child(1) { animation-delay: 0.1s; }
.feature:nth-child(2) { animation-delay: 0.2s; }
.feature:nth-child(3) { animation-delay: 0.3s; }
.feature:nth-child(4) { animation-delay: 0.4s; }

/* 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;
    }
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 3px solid var(--lime-green);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    header,
    footer,
    .mobile-toggle,
    .cta-button {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
    }
}