css
/*
Theme Name: ThriveFusion NGO
Theme URI: https://thrivefusion.org
Author: ThriveFusion Team
Author URI: https://thrivefusion.org
Description: A fully accessible, responsive, and customizable WordPress theme for NGOs and disability inclusion.
Version: 1.1.0
License: GNU GPL v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: thrivefusion
Tags: accessibility-ready, custom-logo, featured-images, responsive-layout, custom-menu, translation-ready
*/

/* === Base === */
body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: #f9f9f9;
  color: #111;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  font-size: 100%;
}

a {
  color: #0066cc;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover,
a:focus {
  text-decoration: underline;
  outline: 2px dashed #000;
  outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
  color: #333;
  margin-top: 0;
  line-height: 1.3;
}

p {
  margin-bottom: 1rem;
}

/* === Layout === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* === Header & Footer === */
header, footer {
  background-color: #004080;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

header a,
footer a {
  color: #fff;
  text-decoration: underline;
}

header a:hover,
footer a:hover {
  color: #ffe600;
}

/* === Site Identity === */
.site-branding {
  text-align: center;
  padding: 1rem 0;
}

.site-logo img {
  max-height: 80px;
  width: auto;
}

/* === Navigation === */
.main-navigation {
  background-color: #003366;
  text-align: center;
  padding: 0.75rem 1rem;
  font-weight: bold;
}

.main-navigation a {
  color: #fff;
  margin: 0 1rem;
}

.main-navigation a:hover,
.main-navigation a:focus {
  text-decoration: underline;
  color: #ffe600;
}

/* === Forms & Buttons === */
input, textarea, select, button {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  background-color: #004080;
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover,
button:focus {
  background-color: #003366;
  outline: 3px solid #005fa3;
}

/* === Accessibility Toolbar (Improved) === */
#accessibility-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #e9f0f7;
  padding: 0.5rem 1rem;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid #ccc;
}

#accessibility-toolbar button {
  background: #0077cc;
  color: #fff;
  border: none;
  padding: 0.4rem 0.8rem;
  font-size: 1rem;
  border-radius: 4px;
}

#accessibility-toolbar button:hover,
#accessibility-toolbar button:focus {
  background: #005fa3;
  outline: 2px solid #000;
}

/* === High Contrast Mode === */
body.high-contrast {
  background-color: #000 !important;
  color: #fff !important;
}

body.high-contrast a {
  color: #ff0 !important;
}

/* === Skip Links === */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: absolute;
  top: 0;
  left: 0;
  padding: 1rem;
  background: #000;
  color: #fff;
  z-index: 1000;
  width: auto;
  height: auto;
}

/* === Donation Boxes === */
.donation-page {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.donation-boxes {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}

.donation-option {
  flex: 1 1 260px;
  background: #f2f9ff;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 0 5px rgba(0,0,0,0.05);
  text-align: center;
  transition: transform 0.2s ease;
}

.donation-option:hover {
  transform: scale(1.02);
}

/* === Responsive Adjustments === */
@media (max-width: 600px) {
  .main-navigation {
    flex-direction: column;
  }

  .main-navigation a {
    display: block;
    margin: 0.5rem 0;
  }

  #accessibility-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
}
```