/* --- Global Styles & Variables --- */
:root {
    --primary-color: #2E8B57; /* Sea Green */
    --secondary-color: #3CB371; /* Medium Sea Green */
    --accent-color: #F4A460; /* Sandy Brown */
    --dark-text: #333333;
    --light-text: #FFFFFF;
    --background-light: #F8F9FA;
    --background-white: #FFFFFF;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-text);
    line-height: 1.7;
    background: var(--background-white);
}

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

h1, h2, h3 {
    font-family: var(--font-secondary);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
    color: #666;
}

.content-section {
    padding: 6rem 0;
}

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

/* --- Header & Navigation --- */
#header {
    background: rgba(255, 255, 255, 0.9);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background 0.3s, box-shadow 0.3s;
}

#header.scrolled {
    background: var(--background-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    width: 90%;
    margin: auto;
}

.logo {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
    padding-bottom: 5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s;
}

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

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    margin: 5px;
    transition: all 0.3s ease;
}


/* --- Hero Section --- */
#hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('images/hero-background.jpg') no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--light-text);
}

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

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-secondary);
    color: var(--light-text);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-button {
    background: var(--secondary-color);
    color: var(--light-text);
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s, transform 0.3s;
}

.cta-button:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* --- About Section --- */
.about-flex {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    color: var(--secondary-color);
    margin-top: 1.5rem;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* --- Focus Areas Section --- */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.focus-card {
    background: var(--background-white);
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.focus-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
}

.focus-card img {
    height: 60px;
    margin-bottom: 1rem;
}

.focus-card h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

/* --- Impact Section --- */
#impact {
    background: var(--secondary-color);
    color: var(--light-text);
}

#impact h2 {
    color: var(--light-text);
}

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

.impact-item span {
    font-size: 3.5rem;
    font-weight: 700;
    display: block;
}

.impact-item p {
    font-size: 1.1rem;
    font-weight: 300;
}

/* --- Partnership Section --- */
.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.partner-item {
    padding: 2rem;
    background: var(--background-white);
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.partner-item h3 {
    color: var(--secondary-color);
}

/* --- Footer --- */
#footer {
    background: var(--dark-text);
    color: var(--light-text);
    padding: 4rem 0 2rem 0;
    text-align: center;
}

.footer-content h3 {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.footer-contact {
    margin: 1.5rem 0;
}

.footer-contact a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #444;
    font-size: 0.9rem;
    color: #aaa;
}


/* --- Responsive Design --- */
@media screen and (max-width: 768px) {
    h2 { font-size: 2rem; }
    .hero-content h1 { font-size: 2.5rem; }

    .nav-links {
        position: fixed;
        right: 0;
        top: 80px;
        background: var(--background-white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 50%;
        height: 100vh;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
    }
    
    .nav-links li {
        margin: 2rem 0;
    }

    .nav-active {
        transform: translateX(0%);
    }

    .burger {
        display: block;
    }

    .toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .toggle .line2 {
        opacity: 0;
    }
    .toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .about-flex {
        flex-direction: column;
    }
}