/* ========================================
   DYCHREDEV Website - Modern CSS Design System
   ======================================== */

/* === CSS Custom Properties (Design Tokens) === */
:root {
    /* Brand Colors */
    --color-blue-deep: #2E3A8C;
    --color-blue-green: #2F6F73;
    --color-green-primary: #2E9E4F;
    --color-white: #FFFFFF;
    --color-gray-light: #E5E7EB;
    --color-gray-medium: #9CA3AF;
    --color-gray-dark: #374151;
    --color-black: #1F2937;

    /* Gradient Signature */
    --gradient-primary: linear-gradient(135deg, var(--color-blue-deep) 0%, var(--color-blue-green) 50%, var(--color-green-primary) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(46, 58, 140, 0.9) 0%, rgba(47, 111, 115, 0.85) 50%, rgba(46, 158, 79, 0.8) 100%);

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Z-index */
    --z-loader: 9999;
    --z-navbar: 1000;
    --z-back-to-top: 999;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.7;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

/* === Page Loader === */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loader);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: var(--color-white);
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

.loader-content p {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.1em;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

/* === Section Utilities === */
.section-padding {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background-color: #F9FAFB;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-medium);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) 0;
    z-index: var(--z-navbar);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: all var(--transition-base);
}

.nav-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    display: block;
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
}

.nav-brand h2 {
    font-family: 'Archivo Expanded', sans-serif;
    font-weight: 900;
    font-size: 1.75rem;
    color: var(--color-white);
    transition: all var(--transition-base);
    line-height: 1;
}

.navbar.scrolled .nav-brand h2 {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-subtitle {
    font-size: 0.75rem;
    color: var(--color-gray-medium);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.1rem;
}

.navbar.scrolled .nav-subtitle {
    color: var(--color-gray-medium);
}

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

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    /* White by default on hero */
    position: relative;
    padding: 0.5rem 0;
}

.navbar.scrolled .nav-link {
    color: var(--color-blue-deep);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.navbar.scrolled .hamburger span {
    background: var(--color-blue-deep);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    background-size: 100% 100%;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    border: none;
    /* Ensure no border interferes with gradient */
}

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

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

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

.btn-white {
    background: var(--color-white);
    color: var(--color-blue-deep);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-nav {
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--color-white);
}

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: -1;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    animation: fadeInUp 1s ease-out forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: var(--font-weight-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.6s forwards;
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-white);
    border-radius: 20px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-white);
    border-radius: 50%;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {

    0%,
    100% {
        top: 10px;
        opacity: 1;
    }

    50% {
        top: 30px;
        opacity: 0.3;
    }
}

/* === Actualités Carousel === */
.actualites {
    background-color: var(--color-white);
    overflow: hidden;
}

.carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.carousel-viewport {
    overflow: hidden;
    flex: 1;
    border-radius: var(--radius-lg);
}

.carousel-track {
    display: flex;
    gap: var(--spacing-md);
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-card {
    min-width: calc(33.333% - 1.34rem);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid var(--color-gray-light);
    flex-shrink: 0;
}

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

.carousel-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.carousel-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.carousel-card:hover .carousel-card-image img {
    transform: scale(1.1);
}

.carousel-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-projet {
    background: rgba(46, 158, 79, 0.9);
    color: var(--color-white);
}

.badge-article {
    background: rgba(46, 58, 140, 0.9);
    color: var(--color-white);
}

.carousel-card-content {
    padding: 1.25rem;
}

.carousel-card-content h3 {
    font-size: 1.1rem;
    color: var(--color-blue-deep);
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
}

.carousel-card-content p {
    color: var(--color-gray-dark);
    font-size: 0.9rem;
    line-height: 1.6;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    color: var(--color-blue-deep);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
    z-index: 2;
}

.carousel-btn:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-gray-light);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.carousel-dot.active {
    background: var(--gradient-primary);
    transform: scale(1.3);
}

/* === Impact Section === */
.impact {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.impact-card {
    text-align: center;
    padding: var(--spacing-md);
}

.impact-number {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.impact-label {
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    opacity: 0.95;
}

/* === Timeline === */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
}

.timeline-marker {
    position: absolute;
    left: -0.625rem;
    top: 0;
    width: 1.25rem;
    height: 1.25rem;
    background: var(--color-green-primary);
    border: 3px solid var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-semibold);
}

.timeline-content p {
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* === Vision Mission Values === */
.vmv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.vmv-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.vmv-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.vmv-card h3 {
    font-size: 1.75rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

.vmv-card p {
    color: var(--color-gray-dark);
    line-height: 1.7;
}

.values-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
}

.value-tag {
    background: linear-gradient(135deg, rgba(46, 58, 140, 0.1), rgba(46, 158, 79, 0.1));
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-blue-deep);
    transition: all var(--transition-base);
    cursor: default;
    white-space: nowrap;
}

.value-tag:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

/* === Interventions === */
.interventions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.intervention-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 2px solid var(--color-gray-light);
}

.intervention-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-green-primary);
}

.intervention-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(46, 58, 140, 0.1), rgba(46, 158, 79, 0.1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-blue-deep);
}

.intervention-card h3 {
    font-size: 1.375rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

.intervention-card p {
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* === Tabs System === */
.tabs-container {
    max-width: 900px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-light);
    flex-wrap: wrap;
}

.tab-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
}

.tab-btn:hover {
    color: var(--color-blue-deep);
}

.tab-btn.active {
    color: var(--color-blue-deep);
    border-bottom-color: var(--color-green-primary);
}

.tab-btn svg {
    width: 20px;
    height: 20px;
}

.tabs-content {
    position: relative;
}

.tab-panel {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.tab-panel.active {
    display: block;
    opacity: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.tab-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.tab-content-text h3 {
    font-size: 1.75rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.action-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.action-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.action-list svg {
    flex-shrink: 0;
    color: var(--color-green-primary);
    margin-top: 0.25rem;
}

.action-list span {
    color: var(--color-gray-dark);
    line-height: 1.6;
}

.tab-content-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, rgba(46, 58, 140, 0.1), rgba(46, 158, 79, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue-deep);
    opacity: 0.5;
}

/* === Projects Grid === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

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

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    padding: var(--spacing-md);
}

.project-info h3 {
    font-size: 1.25rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-semibold);
}

.project-info p {
    color: var(--color-gray-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === Governance === */
.governance-structure {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.governance-level {
    display: flex;
    justify-content: center;
}

.governance-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

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

.governance-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.governance-card h3 {
    font-size: 1.375rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

.governance-card p {
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* === Funding === */
.funding-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.funding-sources h3 {
    font-size: 1.75rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.funding-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.funding-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-sm);
}

.funding-list svg {
    color: var(--color-green-primary);
    flex-shrink: 0;
}

.funding-cta {
    background: linear-gradient(135deg, rgba(46, 58, 140, 0.05), rgba(46, 158, 79, 0.05));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-gray-light);
}

.funding-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 193, 7, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid #FFC107;
}

.funding-highlight svg {
    color: #FFC107;
    flex-shrink: 0;
}

.funding-highlight p {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-dark);
}

.funding-cta h3 {
    font-size: 1.5rem;
    color: var(--color-blue-deep);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-semibold);
}

.funding-cta p {
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* === Donation Section === */
.donation {
    position: relative;
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
}

.donation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    opacity: 0.9;
}

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

.donation-title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.donation-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
}

.donation-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.donation-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.donation-card:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.4);
}

.donation-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.donation-icon-mpesa {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.donation-icon-airtel {
    background: linear-gradient(135deg, #E53935, #B71C1C);
}

.donation-icon-bank-be {
    background: linear-gradient(135deg, #1565C0, #0D47A1);
}

.donation-icon-bank-rdc {
    background: linear-gradient(135deg, #FF8F00, #E65100);
}

.donation-card h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.25rem;
}

.donation-card-label {
    font-size: 0.8rem;
    opacity: 0.8;
    font-style: italic;
}

.donation-card-number {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.05em;
    font-family: 'Courier New', monospace;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    width: 100%;
    word-break: break-all;
}

.donation-card-number-small {
    font-size: 1rem;
}

.btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-primary);
    margin-top: 0.25rem;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-copy.copied {
    background: var(--color-green-primary);
    border-color: var(--color-green-primary);
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.125rem;
    color: var(--color-blue-deep);
    margin-bottom: 0.25rem;
    font-weight: var(--font-weight-semibold);
}

.contact-item a {
    color: var(--color-green-primary);
    font-weight: var(--font-weight-medium);
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-item p {
    color: var(--color-gray-dark);
}

/* === Contact Form === */
.contact-form {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--color-blue-deep);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-green-primary);
    box-shadow: 0 0 0 3px rgba(46, 158, 79, 0.1);
}

.form-group.error input,
.form-group.error textarea {
    border-color: #EF4444;
}

.error-message {
    display: block;
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.map-container {
    margin-top: var(--spacing-xl);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* === Footer === */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--color-gray-light);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

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

.footer-links a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-green-primary);
}

.footer-contact p {
    color: var(--color-gray-light);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-gray-light);
    font-size: 0.875rem;
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-back-to-top);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* === Scroll Animations === */
.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* === Responsive Design === */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .tab-content-grid {
        grid-template-columns: 1fr;
    }

    .funding-content {
        grid-template-columns: 1fr;
    }

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

    .carousel-card {
        min-width: calc(50% - 1rem);
    }

    .donation-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-xxl: 5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu .nav-link {
        color: var(--color-blue-deep);
        display: block;
        padding: 0.75rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

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

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

    .tabs-nav {
        flex-direction: column;
    }

    .governance-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .donation-title {
        font-size: 2rem;
    }

    .carousel-card {
        min-width: 100%;
        width: 100%;
    }

    .carousel-track {
        gap: 0;
    }

    .carousel-card-image {
        height: 180px;
    }

    .carousel-btn {
        display: none;
    }

    .donation-cards-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .impact-grid {
        grid-template-columns: 1fr;
    }

    .impact-number {
        font-size: 3rem;
    }

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