@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Open+Sans:wght@300;400;600&display=swap');

:root {
    --primary-saffron: #f97316;
    /* Vibrant Saffron */
    --primary-green: #16a34a;
    /* Vibrant Green */
    --secondary-blue: #2563eb;
    /* Vibrant Blue */
    --accent-blue: #1e3a8a;
    /* Navy Blue */
    --dark-blue: #0f172a;
    /* Slate Dark */
    --light-bg: #f8fafc;
    --white: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
}

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

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

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

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

ul {
    list-style: none;
}

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

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: 'Poppins', sans-serif;
}

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

.btn-primary:hover {
    background-color: #15803d;
    /* Richer Green */
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(22, 163, 74, 0.3);
}

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

.btn-secondary:hover {
    background-color: #1d4ed8;
    /* Richer Blue */
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.section-padding {
    padding: 80px 0;
}

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

.section-title {
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-green);
    border-radius: 2px;
}

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

header.scrolled {
    background: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-green);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    color: var(--dark-blue);
}

.nav-links a:hover {
    color: var(--primary-saffron);
    text-shadow: 0 0 1px rgba(249, 115, 22, 0.2);
}

.nav-links a.active {
    color: var(--primary-saffron);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Footer */
footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-about h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--primary-green);
}

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

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-links a:hover {
    background: var(--primary-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #bdc3c7;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--white);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 20px;
        box-shadow: var(--shadow);
    }

    .nav-links.show {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    nav .btn-primary {
        display: none;
        /* Hide donate button on mobile navbar to save space, or move it inside menu */
    }
}