/* CSS Variables */
:root {
    --primary-color: #2d5a27;
    --primary-light: #4a7c59;
    --primary-dark: #1a3d1a;
    --secondary-color: #4a90e2;
    --accent-color: #7ed321;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

h4 {
    font-size: 1.3rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow);
}

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

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.donate-btn {
    background: var(--accent-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
}

.donate-btn:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.donate-btn::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f0f8f0 0%, #e8f5e8 100%);
    padding-top: 70px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding: 0 20px;
}

.hero-title {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    animation: fadeInRight 1s ease-out 0.6s both;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Mission Section */
.mission {
    padding: 100px 0;
    background: var(--white);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.mission-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background: var(--light-gray);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.value-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.value-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mission-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Impact Section */
.impact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
}

.impact .section-header h2,
.impact .section-header p {
    color: var(--white);
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 500;
}

/* Programs Section */
.programs {
    padding: 100px 0;
    background: var(--light-gray);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.program-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.program-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.program-icon i {
    font-size: 2rem;
    color: var(--white);
}

.program-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.program-card ul {
    list-style: none;
    text-align: left;
    margin-top: 1.5rem;
}

.program-card li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.program-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Transparency Section */
.transparency {
    padding: 100px 0;
    background: var(--white);
}

.transparency-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.financial-info h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.financial-chart {
    margin-bottom: 2rem;
}

.chart-item {
    margin-bottom: 1.5rem;
}

.chart-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.chart-bar {
    background: var(--light-gray);
    height: 30px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.chart-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
    border-radius: 15px;
    transition: width 1s ease-out;
}

.chart-percentage {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    color: var(--white);
}

.financial-note {
    font-style: italic;
    color: var(--text-light);
}

.certifications h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.cert-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.cert-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-right: 1rem;
}

.cert-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Team Section */
.team {
    padding: 100px 0;
    background: var(--light-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.team-member {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.member-photo {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-role {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.member-bio {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.member-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.member-social a {
    width: 40px;
    height: 40px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

.member-social a:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 1rem;
    margin-top: 0.5rem;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Donate Section */
.donate {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    text-align: center;
}

.donate h2,
.donate p {
    color: var(--white);
}

.donate-content {
    max-width: 600px;
    margin: 0 auto;
}

.donation-options {
    margin: 3rem 0;
}

.donation-amount {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.currency {
    font-size: 2rem;
    font-weight: 700;
    margin-right: 0.5rem;
}

.donation-amount input {
    font-size: 2rem;
    font-weight: 700;
    width: 150px;
    padding: 10px;
    border: none;
    border-radius: var(--border-radius);
    text-align: center;
    background: var(--white);
    color: var(--primary-color);
}

.quick-amounts {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.amount-btn {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid var(--white);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

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

.donation-note {
    margin-top: 2rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
    color: var(--accent-color);
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.8;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

.footer-bottom a {
    color: var(--accent-color);
    text-decoration: none;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 20px 50px;
    }

    .hero-content {
        max-width: 100%;
        margin-bottom: 3rem;
    }

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

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

    .mission-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .transparency-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .quick-amounts {
        flex-direction: column;
        align-items: center;
    }

    .amount-btn {
        width: 200px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .section-header {
        margin-bottom: 3rem;
    }

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

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

    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .impact-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .program-card,
    .team-member {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
textarea:focus,
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-light: #000000;
        --border-color: #000000;
    }
}