/* CSS Custom Properties */
:root {
    --primary-color: #0D7377;
    --accent-color: #FF6B6B;
    --bg-color: #FAFAFA;
    --dark-color: #1A2332;
    --light-color: #FFFFFF;
    --text-color: #333333;
    --gray-color: #666666;
    --transition: 0.3s ease;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --border-radius: 8px;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
    color: var(--dark-color);
    font-weight: 700;
}

h1 { font-size: 64px; line-height: 1.2; margin-bottom: 20px; }
h2 { font-size: 48px; line-height: 1.3; margin-bottom: 30px; }
h3 { font-size: 28px; line-height: 1.4; margin-bottom: 15px; }
p { margin-bottom: 20px; font-size: 16px; }

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

.section {
    padding: 80px 0;
}

.bg-light {
    background-color: #F0F4F4;
}

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

.section-title {
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: #0a5a5d;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(13, 115, 119, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--light-color);
    color: var(--light-color);
}

.btn-secondary:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

#main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.org-name {
    font-family: 'Merriweather', serif;
    font-weight: 900;
    font-size: 24px;
    color: var(--primary-color);
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.desktop-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    transition: var(--transition);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
#hero {
    height: 100vh;
    background: url('images/hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--light-color);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.8) 0%, rgba(13, 115, 119, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content h1 {
    color: var(--light-color);
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 24px;
    animation: bounce 2s infinite;
    color: var(--light-color);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
    40% {transform: translateY(-10px) translateX(-50%);}
    60% {transform: translateY(-5px) translateX(-50%);}
}

/* Stats Bar */
#stats-bar {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 40px 0;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    font-family: 'Merriweather', serif;
}

.stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

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

.mission-statement {
    font-size: 24px;
    font-style: italic;
    color: var(--primary-color);
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 30px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.value-item i {
    color: var(--accent-color);
    font-size: 20px;
}

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

/* Programs Section */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.program-card {
    background-color: var(--light-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.program-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Impact Section */
.impact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.impact-list {
    list-style: none;
    margin: 30px 0;
}

.impact-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.impact-list i {
    color: var(--primary-color);
}

/* Get Involved Section */
.involvement-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.involvement-card {
    background-color: var(--light-color);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.involvement-card i {
    font-size: 50px;
    color: var(--accent-color);
    margin-bottom: 25px;
}

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

.contact-details {
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background-color: rgba(13, 115, 119, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.form-group {
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 115, 119, 0.1);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--light-color);
    margin-bottom: 25px;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-email {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: 15px;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--light-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 14px;
    color: #888;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 35, 50, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--light-color);
    padding: 50px;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: translateY(30px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-color);
}

.success-icon {
    font-size: 60px;
    color: #28a745;
    margin-bottom: 20px;
}

/* Mobile Nav Modal */
#mobile-nav-modal .modal-content {
    background-color: var(--primary-color);
    width: 100%;
    height: 100%;
    max-width: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#mobile-nav-modal .close-modal {
    color: var(--light-color);
}

.mobile-nav ul {
    list-style: none;
    text-align: center;
}

.mobile-nav li {
    margin-bottom: 30px;
}

.mobile-nav a {
    color: var(--light-color);
    font-size: 32px;
    font-family: 'Merriweather', serif;
    text-decoration: none;
    font-weight: 700;
}

/* Scroll to Top */
#scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--light-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow);
    z-index: 900;
    transition: var(--transition);
}

#scroll-to-top:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
}

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

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

/* Responsive */
@media (max-width: 1024px) {
    h1 { font-size: 48px; }
    h2 { font-size: 36px; }
    .about-grid, .impact-grid, .contact-grid { gap: 40px; }
}

@media (max-width: 768px) {
    .desktop-nav, .header-actions .btn {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .section { padding: 60px 0; }
    
    .about-grid, .impact-grid, .contact-grid, .footer-grid, .stats-container, .programs-grid, .involvement-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container { gap: 30px; }
    
    .about-image, .impact-image {
        order: -1;
    }
    
    .hero-content h1 { font-size: 40px; }
    
    .footer-grid { gap: 40px; }
}