''':root {  
    --primary-color: #004d40;  
    --secondary-color: #ffffff;  
    --dark-overlay: rgba(0, 0, 0, 0.5);  
    --serif-font: 'Lora', serif;  
    --sans-serif-font: 'Roboto', sans-serif;  
}  
  
* {  
    box-sizing: border-box;  
    margin: 0;  
    padding: 0;  
}  
  
body {  
    font-family: var(--sans-serif-font);  
    line-height: 1.6;  
    color: #333;  
}  
  
.container {  
    max-width: 1100px;  
    margin: auto;  
    padding: 0 20px;  
}  
  
header {  
    background: var(--primary-color);  
    color: var(--secondary-color);  
    padding: 1rem 0;  
    position: sticky;  
    top: 0;  
    z-index: 1000;  
}  
  
header .container {  
    display: flex;  
    justify-content: space-between;  
    align-items: center;  
}  
  
header h1 {  
    font-family: var(--serif-font);  
}  
  
.donate-btn {  
    background: var(--secondary-color);  
    color: var(--primary-color);  
    border: none;  
    padding: 0.5rem 1rem;  
    cursor: pointer;  
    font-size: 1rem;  
    border-radius: 5px;  
}  
  
.hero {  
    background: url('images/hero.jpg') no-repeat center center/cover;  
    height: 100vh;  
    color: var(--secondary-color);  
    position: relative;  
    display: flex;  
    justify-content: center;  
    align-items: center;  
    text-align: center;  
}  
  
.hero-overlay {  
    position: absolute;  
    top: 0;  
    left: 0;  
    width: 100%;  
    height: 100%;  
    background: var(--dark-overlay);  
}  
  
.hero-content {  
    position: relative;  
    z-index: 1;  
}  
  
.hero h2 {  
    font-family: var(--serif-font);  
    font-size: 3rem;  
    margin-bottom: 1rem;  
}  
  
.cta-btn {  
    display: inline-block;  
    background: var(--primary-color);  
    color: var(--secondary-color);  
    padding: 0.8rem 1.5rem;  
    text-decoration: none;  
    border-radius: 5px;  
    margin-top: 1rem;  
}  
  
.about, .events {  
    padding: 4rem 0;  
}  
  
.about .container {  
    display: grid;  
    grid-template-columns: 1fr 1fr;  
    gap: 2rem;  
    align-items: center;  
}  
  
.about-image img {  
    width: 100%;  
    border-radius: 5px;  
}  
  
.event-list {  
    display: grid;  
    grid-template-columns: repeat(3, 1fr);  
    gap: 1.5rem;  
    margin-bottom: 2rem;  
}  
  
footer {  
    background: var(--primary-color);  
    color: var(--secondary-color);  
    padding: 2rem 0;  
}  
  
footer .container {  
    display: grid;  
    grid-template-columns: repeat(3, 1fr);  
    gap: 1.5rem;  
}  
  
footer .email {  
    font-size: 1.2em;  
}  
  
.copyright {  
    text-align: center;  
    margin-top: 2rem;  
}  
  
.modal-overlay {  
    position: fixed;  
    top: 0;  
    left: 0;  
    width: 100%;  
    height: 100%;  
    background: rgba(0, 0, 0, 0.7);  
    display: none;  
    justify-content: center;  
    align-items: center;  
    z-index: 2000;  
}  
  
.modal {  
    background: #fff;  
    padding: 2rem;  
    border-radius: 5px;  
    width: 500px;  
    max-width: 90%;  
}  
  
.modal-header {  
    display: flex;  
    justify-content: space-between;  
    align-items: center;  
    margin-bottom: 1rem;  
}  
  
.close-modal {  
    background: none;  
    border: none;  
    font-size: 1.5rem;  
    cursor: pointer;  
}  
  
#contact-form input, #contact-form textarea {  
    width: 100%;  
    padding: 0.5rem;  
    margin-bottom: 1rem;  
}  
  
#contact-form button {  
    width: 100%;  
    padding: 0.7rem;  
    background: var(--primary-color);  
    color: var(--secondary-color);  
    border: none;  
    cursor: pointer;  
}  
  
.thank-you-popup {  
    position: fixed;  
    top: 50%;  
    left: 50%;  
    transform: translate(-50%, -50%);  
    background: var(--primary-color);  
    color: var(--secondary-color);  
    padding: 2rem;  
    border-radius: 5px;  
    display: none;  
    z-index: 3000;  
}  
  
@media (max-width: 768px) {  
    .about .container, .event-list, footer .container {  
        grid-template-columns: 1fr;  
    }  
  
    .hero h2 {  
        font-size: 2rem;  
    }  
}  
'''