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

/* Skip navigation link (accessibility) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 9999;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-dark: #1a202c;
    --text-light: #4a5568;
    --bg-light: #f7fafc;
    --success-color: #48bb78;
    --warning-color: #ed8936;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

.text-large {
    font-size: 1.25rem;
    line-height: 1.8;
}

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

.text-white {
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 2rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* Hamburger menu button */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    background: none;
    border: none;
    border-radius: 8px;
    transition: background 0.2s ease;
    width: 40px;
    height: 40px;
}

.menu-toggle:hover {
    background: rgba(0, 0, 0, 0.06);
}

.menu-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    margin: 0 auto;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

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

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

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

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.3);
}

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

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

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Sections */
.section {
    padding: 5rem 0;
}

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

.section-header.center {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
}

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

.bg-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 5rem 0 3rem;
    text-align: center;
}

.page-hero-content h1 {
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 6rem 0 4rem;
}

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

.hero-text h1 {
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 4rem 0;
    margin: 4rem 0;
    border-radius: 30px;
}

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

.stat-card {
    color: white;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.95;
}

/* Mission Section */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.mission-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.mission-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.mission-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

.mission-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Programs Grid */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.program-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.program-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.program-content {
    padding: 2rem;
}

.program-content h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.program-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-text h2 {
    margin-bottom: 1.5rem;
}

.content-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.content-image {
    position: relative;
}

.image-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.image-card img {
    width: 100%;
    height: auto;
    display: block;
}

/* CTA Section */
.cta-content {
    text-align: center;
    padding: 3rem 0;
}

.cta-content h2 {
    margin-bottom: 1.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.center {
    text-align: center;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

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

.social-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

/* About Page - Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.team-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.team-image {
    width: 100%;
    height: 320px;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.team-info {
    padding: 2rem;
}

.team-info h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

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

.team-bio {
    color: var(--text-light);
    line-height: 1.6;
}

/* Programs Page - Program Detail */
.program-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.program-detail.reverse {
    direction: rtl;
}

.program-detail.reverse > * {
    direction: ltr;
}

.program-detail-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.program-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.program-detail:hover .program-detail-image img {
    transform: scale(1.05);
}

.program-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.program-badge.health {
    background: linear-gradient(135deg, #10b981, #059669);
}

.program-badge.development {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.program-badge.water {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.feature-list {
    list-style: none;
    margin: 1.5rem 0;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item .stat-label {
    color: var(--text-light);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Get Involved Page - Donation Cards */
.donation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.donation-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.donation-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.donation-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: scale(1.05);
}

.donation-card.featured h3,
.donation-card.featured p {
    color: white;
}

.donation-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #fbbf24;
    color: #78350f;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
}

.donation-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.donation-amount {
    font-size: 2rem;
    font-weight: 800;
    margin: 1.5rem 0;
    color: var(--primary-color);
}

.donation-card.featured .donation-amount {
    color: white;
}

.custom-donation {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    margin: 3rem 0;
    text-align: center;
}

.donation-form {
    max-width: 600px;
    margin: 2rem auto 0;
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.payment-methods {
    text-align: center;
    margin-top: 3rem;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.payment-icon {
    padding: 0.75rem 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    font-size: 0.9rem;
}

/* Volunteer Cards */
.volunteer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.volunteer-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.volunteer-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.volunteer-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.volunteer-card .feature-list {
    margin: 1.5rem 0;
}

/* Partnership Cards */
.partnership-content {
    max-width: 1200px;
    margin: 0 auto;
}

.partnership-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.partnership-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.partnership-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.partnership-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.partnership-cta {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
}

.partnership-cta h3 {
    margin-bottom: 1rem;
}

/* Impact Section */
.impact-section {
    padding: 3rem 0;
}

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

.impact-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.impact-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.impact-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-methods {
    margin: 3rem 0;
}

.contact-method {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.contact-method-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-method-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-method-content p {
    color: var(--text-light);
    line-height: 1.6;
}

.social-section {
    margin-top: 3rem;
}

.social-section h3 {
    margin-bottom: 1.5rem;
}

.social-links-large {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.social-link-large {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.social-link-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.2);
}

.social-icon {
    font-size: 1.5rem;
}

.contact-form-container {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    margin-bottom: 2rem;
    color: var(--text-dark);
}

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

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

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Offices Grid */
.offices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.office-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.office-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

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

.office-address,
.office-contact,
.office-email {
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

/* FAQ Section */
.faq-section {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.15);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content,
    .content-grid,
    .program-detail,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .program-detail.reverse {
        direction: ltr;
    }

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

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

    /* Mobile menu toggle visible */
    .menu-toggle {
        display: flex;
    }

    /* Nav CTA shrinks on tablet */
    .nav-cta {
        font-size: 0.875rem;
        padding: 0.7rem 1.1rem;
    }

    /* Mobile dropdown nav */
    .nav-links {
        display: flex;
        position: absolute;
        top: calc(100% + 0.75rem);
        left: -2rem;
        right: -2rem;
        flex-direction: column;
        gap: 0;
        background: white;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
        border-radius: 0 0 16px 16px;
        border-top: 2px solid var(--bg-light);
        padding: 0.5rem 0 0.75rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
        z-index: 999;
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.875rem 1.75rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        color: var(--text-dark);
        font-size: 1rem;
    }

    .nav-links li:last-child a {
        border-bottom: none;
    }

    .nav-links a.active::after {
        display: none;
    }

    .nav-links a.active {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
        color: var(--primary-color);
        border-left: 3px solid var(--primary-color);
        padding-left: calc(1.75rem - 3px);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.875rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 1.25rem;
    }

    .values-grid,
    .team-grid,
    .donation-grid,
    .volunteer-grid,
    .partnership-types,
    .offices-grid,
    .programs-grid,
    .mission-grid {
        grid-template-columns: 1fr;
    }

    .stats-row,
    .impact-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .social-links-large {
        grid-template-columns: 1fr;
    }

    .contact-form-container {
        padding: 1.75rem;
    }

    .section {
        padding: 3rem 0;
    }

    .hero {
        padding: 4rem 0 2.5rem;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn,
    .cta-buttons .btn {
        width: 100%;
        text-align: center;
    }

    .stat-number {
        font-size: 2.75rem;
    }

    .stats-section {
        border-radius: 20px;
        padding: 2.5rem 1.5rem;
    }

    .donation-card.featured {
        transform: none;
    }

    .mission-card,
    .donation-card,
    .volunteer-card,
    .partnership-card,
    .value-card {
        padding: 2rem;
    }

    .nav-cta {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.625rem;
    }

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

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

    .page-hero {
        padding: 3.5rem 0 2rem;
    }

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

    .cta-content {
        padding: 2rem 0;
    }

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

    .modal-content {
        padding: 2rem 1.5rem;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    max-width: 450px;
    width: 90%;
    transform: translateY(0);
    animation: slideUp 0.3s ease;
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--success-color), #38a169);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 20px rgba(72, 187, 120, 0.3);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Scroll-to-top button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1.375rem;
    font-weight: 600;
    line-height: 1;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.45);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scroll-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-to-top:hover {
    box-shadow: 0 8px 28px rgba(102, 126, 234, 0.6);
    transform: translateY(-3px);
}

.scroll-to-top:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

/* Program list (replaces invalid <p><li>) */
.program-list {
    list-style: none;
    margin: 0 0 1.5rem;
    padding: 0;
}

.program-list li {
    padding: 0.4rem 0 0.4rem 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.55;
    font-size: 0.9rem;
}

.program-list li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.4;
}

/* Staggered card animation delays */
.mission-grid .mission-card:nth-child(1),
.programs-grid .program-card:nth-child(1),
.donation-grid .donation-card:nth-child(1),
.volunteer-grid .volunteer-card:nth-child(1),
.values-grid .value-card:nth-child(1),
.partnership-types .partnership-card:nth-child(1) { --anim-delay: 0s; }

.mission-grid .mission-card:nth-child(2),
.programs-grid .program-card:nth-child(2),
.donation-grid .donation-card:nth-child(2),
.volunteer-grid .volunteer-card:nth-child(2),
.values-grid .value-card:nth-child(2),
.partnership-types .partnership-card:nth-child(2) { --anim-delay: 0.1s; }

.mission-grid .mission-card:nth-child(3),
.programs-grid .program-card:nth-child(3),
.donation-grid .donation-card:nth-child(3),
.volunteer-grid .volunteer-card:nth-child(3),
.values-grid .value-card:nth-child(3),
.partnership-types .partnership-card:nth-child(3) { --anim-delay: 0.2s; }

.mission-grid .mission-card:nth-child(4),
.programs-grid .program-card:nth-child(4),
.donation-grid .donation-card:nth-child(4),
.volunteer-grid .volunteer-card:nth-child(4),
.values-grid .value-card:nth-child(4),
.partnership-types .partnership-card:nth-child(4) { --anim-delay: 0.3s; }

/* Menu overlay (mobile) */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 998;
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.nav-overlay.active {
    opacity: 1;
}

@media (max-width: 968px) {
    .nav-overlay {
        display: block;
        pointer-events: none;
    }

    .nav-overlay.active {
        pointer-events: auto;
    }
}

/* Payment error message */
.payment-error-msg {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 10px;
    padding: 1rem 1.5rem;
    text-align: center;
    color: #dc2626;
    margin-top: 1rem;
}

/* Focus improvements for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}