/* ==========================================================================
   PAEVOR Institute - World-Class Website Styles
   Modeled after Mastercard Foundation quality standards
   ========================================================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors */
    --color-primary: #3D6B4F;
    --color-primary-dark: #2A4A37;
    --color-primary-light: #4D7B5F;
    --color-accent: #C9A227;
    --color-accent-light: #D4B84A;
    
    --color-white: #FFFFFF;
    --color-black: #1A1A1A;
    --color-gray-100: #F8F9FA;
    --color-gray-200: #E9ECEF;
    --color-gray-300: #DEE2E6;
    --color-gray-400: #CED4DA;
    --color-gray-500: #ADB5BD;
    --color-gray-600: #6B7280;
    --color-gray-700: #495057;
    --color-gray-800: #343A40;
    --color-gray-900: #212529;
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-nav: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Sizing */
    --container-max: 1320px;
    --container-narrow: 960px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-base: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-base);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
    color: var(--color-white);
}

/* ==========================================================================
   Layout
   ========================================================================== */

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

.section {
    padding: var(--space-5xl) 0;
}

.bg-light {
    background-color: var(--color-gray-100);
}

.bg-dark {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-white);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-4xl);
}

.section-header.light {
    color: var(--color-white);
}

.section-header.light .section-title,
.section-header.light .section-desc {
    color: var(--color-white);
}

.section-label {
    display: inline-block;
    font-family: var(--font-nav);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-header.light .section-label {
    color: var(--color-accent);
}

.section-title {
    margin-bottom: var(--space-lg);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-nav);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

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

.btn-white:hover {
    background-color: transparent;
    color: var(--color-white);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-white);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    height: 70px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.logo img {
    height: 48px;
    width: auto;
    transition: height var(--transition-base);
}

.header.scrolled .logo img {
    height: 40px;
}

.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-nav);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-800);
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

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

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 700px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

.nav-item.has-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.mega-col h4 {
    font-family: var(--font-nav);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.mega-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mega-col a {
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    transition: all var(--transition-fast);
}

.mega-col a:hover {
    color: var(--color-primary);
    padding-left: var(--space-sm);
}

.mega-featured {
    background-color: var(--color-gray-100);
    padding: var(--space-lg);
    border-radius: var(--radius-base);
}

.featured-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.mega-featured h5 {
    font-size: 1rem;
    margin: var(--space-sm) 0;
}

.mega-featured p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.featured-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.search-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.search-btn:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-800);
    transition: all var(--transition-fast);
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

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

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(42, 74, 55, 0.7) 0%,
        rgba(42, 74, 55, 0.85) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: var(--space-xl);
    margin-top: var(--header-height);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-trust-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.trust-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
}

.trust-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.trust-divider {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.3);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    z-index: 1;
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

/* ==========================================================================
   Impact Statistics
   ========================================================================== */

.impact-stats {
    background-color: var(--color-white);
    padding: var(--space-4xl) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    transition: transform var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-md);
    color: var(--color-primary);
}

.stat-icon svg {
    width: 100%;
    height: 100%;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ==========================================================================
   What We Do / Pillars
   ========================================================================== */

.pillars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pillars-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .pillars-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.pillar-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.pillar-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.pillar-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.pillar-icon svg {
    width: 100%;
    height: 100%;
}

.pillar-title {
    font-family: var(--font-nav);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-black);
}

.pillar-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.pillar-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-nav);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
}

.pillar-link svg {
    transition: transform var(--transition-fast);
}

.pillar-link:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Research Section
   ========================================================================== */

.research-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .research-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.research-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
}

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

.research-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.research-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.research-card:hover .research-image img {
    transform: scale(1.05);
}

.research-tag {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.research-content {
    padding: var(--space-xl);
}

.research-title {
    font-family: var(--font-nav);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-md);
    color: var(--color-black);
}

.research-excerpt {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.research-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-md);
}

.research-link {
    font-family: var(--font-nav);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* ==========================================================================
   Impact Story
   ========================================================================== */

.impact-story-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .impact-story-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.impact-story-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.impact-story-image img {
    width: 100%;
    height: auto;
}

.impact-story-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--space-xl);
}

.impact-quote {
    background-color: var(--color-gray-100);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    border-left: 4px solid var(--color-primary);
}

.impact-quote p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-gray-700);
    margin-bottom: var(--space-md);
}

.impact-quote cite {
    display: block;
    font-style: normal;
}

.impact-quote cite strong {
    display: block;
    font-size: 1rem;
    color: var(--color-black);
}

.impact-quote cite span {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.impact-story-text {
    color: var(--color-gray-700);
    margin-bottom: var(--space-xl);
}

/* ==========================================================================
   Partners
   ========================================================================== */

.partners-category {
    margin-bottom: var(--space-3xl);
}

.partners-category:last-of-type {
    margin-bottom: 0;
}

.partners-category-title {
    font-family: var(--font-nav);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
}

.partner-logo {
    flex: 0 0 auto;
    max-width: 140px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-logo img {
    max-height: 50px;
    width: auto;
    object-fit: contain;
}

/* Government Partners / Countries */
.countries-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
}

.country-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    min-width: 100px;
}

.country-item img {
    width: 60px;
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.country-item:hover img {
    transform: scale(1.1);
}

.country-item span {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ==========================================================================
   Events
   ========================================================================== */

.events-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .events-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .events-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.event-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.event-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.event-card.featured {
    grid-row: span 2;
}

@media (max-width: 1023px) {
    .event-card.featured {
        grid-row: span 1;
    }
}

.event-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background-color: var(--color-accent);
    color: var(--color-black);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.event-card.featured {
    position: relative;
}

.event-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.event-card.featured .event-image {
    aspect-ratio: 16 / 10;
}

.event-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.event-content {
    padding: var(--space-xl);
}

.event-date {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-md);
}

.date-day {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.date-month {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.date-year {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.event-title {
    font-family: var(--font-nav);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.event-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.event-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.event-link {
    font-family: var(--font-nav);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* ==========================================================================
   Newsletter
   ========================================================================== */

.newsletter {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--space-4xl) 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .newsletter-content {
        grid-template-columns: 1fr 1fr;
    }
}

.newsletter-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.newsletter-desc {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.0625rem;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--space-md);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 1rem 1.25rem;
    border: none;
    border-radius: var(--radius-base);
    font-size: 1rem;
}

.newsletter-form input[type="email"]:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.form-privacy {
    margin-top: var(--space-md);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 640px) {
    .newsletter-form .form-group {
        flex-direction: column;
    }
}

/* ==========================================================================
   Leadership
   ========================================================================== */

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .leadership-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .leadership-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.leader-card {
    text-align: center;
}

.leader-image {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.leader-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leader-name {
    font-family: var(--font-nav);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.leader-title {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.leader-bio {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.leader-social {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.leader-social a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.leader-social a:hover {
    color: var(--color-primary);
    background-color: var(--color-gray-100);
}

.leader-social svg {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   Donate
   ========================================================================== */

.donate {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.donate-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .donate-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.donate-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
}

.donate-desc {
    font-size: 1.0625rem;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.donate-impact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.impact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-white);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-sm);
}

.impact-amount {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    min-width: 80px;
}

.impact-result {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

.donate-recognition h4 {
    font-family: var(--font-nav);
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.donate-recognition ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.donate-recognition li {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.donate-recognition strong {
    color: var(--color-primary);
}

/* Donate Form */
.donate-form-container {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.donate-form h3 {
    font-family: var(--font-nav);
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--space-xl);
}

.donation-type {
    display: flex;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-base);
    padding: var(--space-xs);
    margin-bottom: var(--space-xl);
}

.type-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.type-btn.active {
    background-color: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.donation-amounts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.amount-btn {
    padding: var(--space-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    font-weight: 600;
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.amount-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.amount-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.custom-amount {
    margin-bottom: var(--space-xl);
}

.custom-amount.hidden {
    display: none;
}

.custom-amount label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.input-with-prefix {
    display: flex;
    align-items: center;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    overflow: hidden;
}

.input-with-prefix span {
    padding: var(--space-md);
    background-color: var(--color-gray-100);
    font-weight: 600;
}

.input-with-prefix input {
    flex: 1;
    padding: var(--space-md);
    border: none;
}

.input-with-prefix input:focus {
    outline: none;
}

.fund-designation {
    margin-bottom: var(--space-xl);
}

.fund-designation label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.fund-designation select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    background-color: var(--color-white);
    cursor: pointer;
}

.donate-form .btn-large {
    width:100%;
}

.donation-note {
    margin-top: var(--space-md);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
}

.footer-main {
    padding: var(--space-4xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(4, 1fr) 1.5fr;
    }
}

.footer-about {
    grid-column: span 2;
}

@media (min-width: 1024px) {
    .footer-about {
        grid-column: span 1;
    }
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--space-lg);
    filter: brightness(0) invert(1);
}

.footer-about p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--color-primary);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-nav);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: var(--space-sm);
}

.footer-contact address {
    font-style: normal;
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.footer-contact a {
    color: var(--color-primary-light);
}

.footer-contact h5 {
    font-family: var(--font-nav);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.footer-contact p {
    font-size: 0.875rem;
    line-height: 1.7;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-xl) 0;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.copyright {
    font-size: 0.875rem;
}

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

@media (min-width: 768px) {
    .footer-legal {
        gap: var(--space-lg);
    }
}

.footer-legal a {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ==========================================================================
   Chatbot
   ========================================================================== */

.chatbot {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 999;
}

.chatbot-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-lg) var(--space-sm) var(--space-sm);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.chatbot-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.chatbot-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.chatbot-label {
    font-weight: 600;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .chatbot-label {
        display: none;
    }
    
    .chatbot-toggle {
        padding: var(--space-sm);
        border-radius: var(--radius-full);
    }
}

/* Chatbot Window */
.chatbot-window {
    position: absolute;
    bottom: calc(100% + var(--space-md));
    right: 0;
    width: 380px;
    max-height: 500px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.chatbot-window.hidden {
    display: none;
}

@media (max-width: 640px) {
    .chatbot-window {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-height: none;
        border-radius: 0;
    }
}

.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.chatbot-avatar-small {
    width: 40px;
    height: 40px;
}

.chatbot-header h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 2px;
}

.chatbot-header span {
    font-size: 0.75rem;
    opacity: 0.8;
}

.chatbot-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.chatbot-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chatbot-message {
    max-width: 85%;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.chatbot-message.bot {
    align-self: flex-start;
    background-color: var(--color-gray-100);
    border-bottom-left-radius: var(--radius-sm);
}

.chatbot-message.user {
    align-self: flex-end;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-bottom-right-radius: var(--radius-sm);
}

.chatbot-input {
    display: flex;
    padding: var(--space-md);
    border-top: 1px solid var(--color-gray-200);
    gap: var(--space-sm);
}

.chatbot-input input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
}

.chatbot-input input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.chatbot-input button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.chatbot-input button:hover {
    background-color: var(--color-primary-dark);
}

/* ==========================================================================
   Search Overlay
   ========================================================================== */

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-overlay.hidden {
    display: none;
}

.search-container {
    width: 100%;
    max-width: 700px;
    padding: var(--space-xl);
}

.search-close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.search-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.search-form {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.search-form input {
    flex: 1;
    padding: var(--space-lg) var(--space-xl);
    background-color: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    color: var(--color-white);
}

.search-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-form button {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.search-form button:hover {
    background-color: var(--color-primary-light);
}

.search-suggestions {
    text-align: center;
}

.search-suggestions h4 {
    font-family: var(--font-nav);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-lg);
}

.search-suggestions ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

.search-suggestions a {
    padding: var(--space-sm) var(--space-lg);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    transition: background-color var(--transition-fast);
}

.search-suggestions a:hover {
    background-color: var(--color-primary);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Animations & Scroll Effects
   ========================================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-content {
        padding: var(--space-md);
    }
    
    .trust-divider {
        display: none;
    }
    
    .hero-trust-bar {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .chatbot,
    .newsletter {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-2xl) 0;
    }
    
    .hero-video-container {
        display: none;
    }
    
    .hero-content {
        color: var(--color-black);
    }
}