/* --- CSS Variables & Design Tokens --- */
:root {
    --color-bg-dark: #0f172a;
    --color-bg-darker: #0b1120;
    --color-bg-glass: rgba(30, 41, 59, 0.7);
    --color-bg-glass-hover: rgba(30, 41, 59, 0.9);
    
    --color-primary: #14b8a6; /* Teal */
    --color-primary-hover: #0d9488;
    --color-secondary: #f59e0b; /* Gold/Amber */
    --color-secondary-hover: #d97706;
    
    --color-text-main: #f8fafc;
    --color-text-muted: #cbd5e1;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --border-glass: 1px solid rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Typography Utilities --- */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-underline {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    margin-bottom: 1.5rem;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 3rem;
}

/* --- Buttons --- */
.btn-primary, .btn-secondary, .btn-primary-small {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: #fff;
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(20, 184, 166, 0.6);
}

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

.btn-secondary:hover {
    background: var(--color-text-main);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

.btn-primary-small {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    background: var(--color-primary);
    color: #fff;
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    line-height: 1;
    letter-spacing: 1px;
}

.logo-text small {
    font-size: 0.7rem;
    color: var(--color-primary);
    font-weight: 600;
    letter-spacing: 2px;
}

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

.nav-link {
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
}

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

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

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

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05); /* For subtle pan effect if we add JS */
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15,23,42,0.4) 0%, var(--color-bg-dark) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.7;
    transition: var(--transition-normal);
}

.scroll-indicator:hover {
    opacity: 1;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-muted);
    border-radius: 12px;
    position: relative;
    margin-bottom: 0.5rem;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite ease-in-out;
}

@keyframes scrollWheel {
    0% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0; }
    100% { top: 6px; opacity: 0; }
}

/* --- Sections Common --- */
.section {
    padding: 6rem 0;
    position: relative;
}

/* --- Mission Section (Glassmorphism) --- */
.mission-section {
    background-color: var(--color-bg-darker);
    position: relative;
}

.mission-section::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20,184,166,0.1) 0%, rgba(15,23,42,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.glass-card {
    background: var(--color-bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--border-glass);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-glass);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-10px);
    background: var(--color-bg-glass-hover);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.glass-card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(20, 184, 166, 0.1);
    border-radius: 12px;
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.glass-card p {
    color: var(--color-text-muted);
}

/* --- Vision Section --- */
.vision-section {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.vision-blobs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--color-secondary);
    bottom: -150px;
    right: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

.vision-container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}

.vision-content {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 4rem;
    border-radius: 24px;
    max-width: 800px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.vision-content .title-underline {
    margin: 0 auto 2rem auto;
}

.vision-statement {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-secondary);
    line-height: 1.4;
    margin-bottom: 2rem;
    font-style: italic;
}

.vision-text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* --- Impact Section --- */
.impact-section {
    background-color: var(--color-bg-darker);
}

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

.impact-image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.impact-image {
    border-radius: 20px;
    transition: transform 0.5s ease;
}

.impact-image-container:hover .impact-image {
    transform: scale(1.05);
}

.impact-badge {
    position: absolute;
    bottom: -20px;
    right: 20px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-hover));
    color: var(--color-bg-dark);
    padding: 1.5rem;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.4);
    transform: translateY(-30px);
}

.badge-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    border-left: 3px solid var(--color-primary);
    padding-left: 1rem;
}

.stat-number {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
}

.stat-label {
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* --- CTA Section --- */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(20,184,166,0.1) 0%, rgba(15,23,42,1) 100%);
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Footer --- */
.footer {
    background-color: #080c17;
    padding-top: 5rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1.5rem;
    border-radius: 8px;
}

.footer-about {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    color: var(--color-text-main);
    transition: var(--transition-normal);
}

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

.footer-links h3, .footer-contact h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links h3::after, .footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--color-text-muted);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info i {
    color: var(--color-primary);
    margin-top: 5px;
}

.footer-bottom {
    background-color: #05080f;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.rc-number strong {
    color: var(--color-secondary);
}

/* --- Animations & Interactions --- */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease;
}

.fade-in.is-visible {
    opacity: 1;
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* --- Modal Form --- */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: var(--color-bg-darker);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transform: translateY(-20px);
    transition: transform var(--transition-normal);
}

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

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    color: var(--color-text-muted);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-btn:hover {
    color: var(--color-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-align: left;
}

.form-group input, .form-group select {
    padding: 1rem;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--color-primary);
}

/* --- Vision Layout with Image --- */
.vision-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    text-align: left;
}

.vision-image-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.vision-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    transition: transform 0.5s ease;
}

.vision-image-container:hover .vision-image {
    transform: scale(1.05);
}

.vision-content {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.vision-content .title-underline {
    margin: 0 0 2rem 0;
}

.vision-statement {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-secondary);
    line-height: 1.4;
    margin-bottom: 1.5rem;
    font-style: italic;
}

/* --- Donate Modal Specific --- */
.donate-modal-content {
    max-width: 800px;
}
.donate-layout {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.donate-image-col {
    flex: 1;
    display: none;
}
@media (min-width: 768px) {
    .donate-image-col {
        display: block;
    }
}
.donate-form-col {
    flex: 1.5;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .hero-title { font-size: 3.5rem; }
    .impact-layout, .vision-layout { grid-template-columns: 1fr; }
    .vision-content { padding: 3rem 2rem; text-align: center; }
    .vision-content .title-underline { margin: 0 auto 2rem auto; }
    .footer-container { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; /* Add a hamburger menu later if needed */ }
    .hero-title { font-size: 2.8rem; }
    .mission-grid { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; }
    .bottom-content { flex-direction: column; gap: 1rem; text-align: center; }
}