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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

/* Hidden class for honeypot spam protection */
.hidden {
    display: none !important;
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    background-color: var(--bg-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background-color: var(--bg-color);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 1rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

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

    .nav-link {
        width: 100%;
        padding: 0.75rem 0;
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4));
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: 0 20px;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease 0.2s both;
}

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

/* ============================================
   Page Header
   ============================================ */
.page-header {
    background-color: var(--bg-light);
    padding: 4rem 0 3rem;
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* ============================================
   Intro Section
   ============================================ */
.intro {
    padding: 5rem 0;
}

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

.intro-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.intro-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

/* ============================================
   Services Preview
   ============================================ */
.services-preview {
    background-color: var(--bg-light);
    padding: 5rem 0;
}

.services-preview h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

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

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

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

/* ============================================
   Portfolio Filters
   ============================================ */
.portfolio-filters {
    padding: 3rem 0 2rem;
    background-color: var(--bg-light);
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

/* ============================================
   Gallery
   ============================================ */
.gallery-section {
    padding: 3rem 0 5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
    color: white;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.gallery-loading,
.gallery-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-caption {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    margin-top: 1rem;
    border-radius: 8px;
    max-width: 600px;
    text-align: center;
}

.lightbox-caption h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.lightbox-caption p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.lightbox-caption span {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-light);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 500;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: fixed;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-size: 2rem;
    cursor: pointer;
    padding: 1rem;
    transition: var(--transition);
    border-radius: 4px;
}

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

.lightbox-close {
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

/* ============================================
   About Page
   ============================================ */
.about-content {
    padding: 3rem 0;
}

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

.about-image img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.about-text h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.expertise-section {
    background-color: var(--bg-light);
    padding: 5rem 0;
}

.expertise-section h2 {
    text-align: center;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 3rem;
}

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

.expertise-item {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.expertise-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.expertise-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.philosophy-section {
    padding: 5rem 0;
}

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

.philosophy-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.philosophy-content blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-color);
    padding: 2rem;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 2rem;
    background-color: var(--bg-light);
    border-radius: 4px;
}

.philosophy-content p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
}

.cta-section {
    background-color: var(--bg-light);
    padding: 5rem 0;
    text-align: center;
}

.cta-section h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

/* ============================================
   Contact Page
   ============================================ */
.contact-section {
    padding: 4rem 0;
}

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

.contact-info h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    margin-bottom: 2rem;
}

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

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

.contact-item p,
.contact-item a {
    color: var(--text-light);
}

.contact-item a:hover {
    color: var(--accent-color);
}

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

.social-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: var(--bg-light);
    border-radius: 4px;
    color: var(--text-color);
    transition: var(--transition);
}

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

/* Contact Form */
.contact-form-container {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: 8px;
}

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

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.contact-form textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

.faq-section {
    background-color: var(--bg-light);
    padding: 5rem 0;
}

.faq-section h2 {
    text-align: center;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 3rem;
}

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

.faq-item {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   Projects Page
   ============================================ */
.projects-section {
    padding: 4rem 0;
}

.projects-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.projects-intro p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}

.projects-grid {
    display: grid;
    gap: 3rem;
}

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
}

.project-card:nth-child(even) {
    direction: rtl;
}

.project-card:nth-child(even) .project-content {
    direction: ltr;
}

.project-image {
    height: 100%;
}

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

.project-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.project-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--accent-color);
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    width: fit-content;
}

.project-content h2 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.project-status {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.875rem;
}

.status-badge.ongoing {
    background-color: #d4edda;
    color: #155724;
}

.status-badge.planning {
    background-color: #fff3cd;
    color: #856404;
}

.project-date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.collaboration-section {
    background-color: var(--bg-light);
    padding: 5rem 0;
}

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

.collaboration-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.collaboration-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.collaboration-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Donate Page
   ============================================ */
.donate-section {
    padding: 4rem 0;
}

.donate-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.donate-intro h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.donate-intro p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
}

.donate-grid {
    display: grid;
    gap: 3rem;
}

.donate-impact h3,
.donate-options h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.impact-list {
    display: grid;
    gap: 1.5rem;
}

.impact-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: start;
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.impact-icon {
    font-size: 2.5rem;
}

.impact-text h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

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

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

.donation-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.donation-card h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.donation-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.donation-amounts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.amount-btn {
    padding: 1rem;
    background-color: white;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

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

.custom-amount {
    margin-bottom: 1.5rem;
}

.custom-amount input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.donate-btn {
    width: 100%;
}

.perks-list,
.help-list {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.perks-list li,
.help-list li {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.thank-you-section {
    background-color: var(--bg-light);
    padding: 5rem 0;
}

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

.thank-you-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.thank-you-content p {
    font-size: 1.05rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-section p {
    line-height: 1.7;
    opacity: 0.9;
}

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

.footer-links a {
    opacity: 0.9;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

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

.footer .social-links a {
    opacity: 0.9;
    transition: var(--transition);
}

.footer .social-links a:hover {
    opacity: 1;
}

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

.footer-bottom p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .about-grid,
    .contact-grid,
    .project-card {
        grid-template-columns: 1fr;
    }

    .project-card:nth-child(even) {
        direction: ltr;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        height: 60vh;
        min-height: 400px;
    }

    .intro,
    .services-preview,
    .expertise-section,
    .philosophy-section,
    .cta-section,
    .contact-section,
    .projects-section,
    .donate-section,
    .faq-section,
    .collaboration-section,
    .thank-you-section {
        padding: 3rem 0;
    }

    .page-header {
        padding: 3rem 0 2rem;
    }

    .services-grid,
    .expertise-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .lightbox-prev,
    .lightbox-next {
        padding: 0.5rem;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

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

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

@media (max-width: 480px) {
    .intro-cta,
    .cta-buttons,
    .collaboration-cta {
        flex-direction: column;
    }

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

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}