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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2c3e50;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.img-responsive {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Color Variables */
:root {
    --primary-color: #ff8c00;
    --secondary-color: #8b4513;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-bg: #f8f9fa;
    --dark-bg: #2c3e50;
    --white: #ffffff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #e67300;
    transform: translateY(-2px);
}

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

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

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

.btn-white:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?w=1920&h=1080&fit=crop&auto=format&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 40px 0;
    animation: fadeInUp 1s ease 0.4s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    animation: fadeInUp 1s ease 0.6s both;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    margin-top: 30px;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.8;
}

.sdg-goals {
    margin-top: 40px;
}

.sdg-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.sdg-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: var(--light-bg);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.sdg-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Image Credits */
.image-credit {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 10px;
    font-style: italic;
    text-align: center;
}

/* Programs Section */
.bg-light {
    background-color: var(--light-bg);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.program-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.program-card:hover {
    transform: translateY(-10px);
}

.program-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

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

.program-card h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.program-card p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.7;
}

.program-card ul {
    list-style: none;
    text-align: left;
}

.program-card li {
    padding: 8px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 25px;
}

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

/* Impact Section */
.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.impact-stat {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.stat-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.impact-stat .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 10px;
}

.impact-stat .stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Impact Gallery Slider */
.impact-gallery {
    margin-top: 60px;
}

.impact-gallery h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 40px;
    font-weight: 600;
}

.image-slider {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.slider-track {
    display: flex;
    width: 600%;
    height: 100%;
    animation: slide 18s infinite;
}

.slide {
    width: 16.666%;
    height: 100%;
    position: relative;
    flex-shrink: 0;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 40px 30px 30px;
    text-align: center;
}

.slide-caption h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.slide-caption p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.5;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.dot:hover {
    background: rgba(255,255,255,0.8);
}

@keyframes slide {
    0% { transform: translateX(0); }
    16.666% { transform: translateX(-16.666%); }
    33.333% { transform: translateX(-33.333%); }
    50% { transform: translateX(-50%); }
    66.666% { transform: translateX(-66.666%); }
    83.333% { transform: translateX(-83.333%); }
    100% { transform: translateX(0); }
}

/* Donate Section */
.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.text-white {
    color: var(--white);
}

.text-white .section-title,
.text-white .section-subtitle {
    color: var(--white);
}

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

.donation-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.donation-card {
    background: rgba(255,255,255,0.1);
    padding: 40px 30px;
    border-radius: 15px;
    border: 2px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.donation-card.featured {
    transform: scale(1.05);
    background: rgba(255,255,255,0.2);
    border-color: var(--white);
}

.donation-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.2);
}

.donation-card h3 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 15px;
}

.donation-card p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 25px;
    line-height: 1.6;
}

.payment-methods {
    margin: 60px 0;
}

.payment-methods h3 {
    color: var(--white);
    margin-bottom: 30px;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.payment-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--white);
}

.payment-method i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.custom-donation h3 {
    color: var(--white);
    margin-bottom: 30px;
}

.donation-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.form-group input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.contact-details h4 {
    color: var(--text-dark);
    margin-bottom: 10px;
}

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

.social-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.social-link:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 15px;
}

.contact-form h3 {
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

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

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

/* Footer */
.bg-dark {
    background-color: var(--dark-bg);
    color: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.footer-section li {
    margin-bottom: 10px;
}

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

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary-color);
}

.social-links i {
    color: var(--white);
    font-size: 1rem;
}

.sdg-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.sdg-badge {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .donation-options {
        grid-template-columns: 1fr;
    }
    
    .payment-icons {
        gap: 20px;
    }
    
    .impact-gallery h3 {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }
    
    .slider-container {
        height: 350px;
    }
    
    .slide-caption {
        padding: 20px 15px 15px;
    }
    
    .slide-caption h4 {
        font-size: 1.2rem;
        margin-bottom: 8px;
    }
    
    .slide-caption p {
        font-size: 0.9rem;
    }
    
    .slider-dots {
        bottom: 15px;
        gap: 10px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .program-card,
    .contact-form {
        padding: 30px 20px;
    }
    
    .donation-card {
        padding: 30px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}