/* CSS Styles */
     
      :root {
         --primary-color: #2c7be5;
         --secondary-color: #00a79d;
         --accent-color: #ff914d;
         --light-color: #f8f9fa;
         --dark-color: #343a40;
     }
     
     * {
         margin: 0;
         padding: 0;
         box-sizing: border-box;
         font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
     }
     
     body {
         color: var(--dark-color);
         line-height: 1.6;
         position: relative;
         min-height: 100vh;
         background-image: url('https://cdn.pixabay.com/photo/2016/09/09/08/58/underwater-1656503_960_720.jpg');
         background-size: cover;
         background-position: center;
         background-attachment: fixed;
         background-repeat: no-repeat;
     }
     
     body::before {
         content: '';
         position: fixed;
         top: 0;
         left: 0;
         width: 100%;
         height: 100%;
         background-color: rgba(255, 255, 255, 0.85);
         z-index: -1;
     }
     
     .container {
         max-width: 1300px;
         margin: 0 auto;
         padding: 0 20px;
     }
     
     header {
         background: linear-gradient(135deg, rgba(44, 123, 229, 0.9), rgba(0, 167, 157, 0.9));
         color: white;
         padding: 2rem 0;
         box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
         position: relative;
     }
     
     .header-content {
         display: flex;
         justify-content: space-between;
         align-items: center;
         max-width: 1100px;
         margin: 0 auto;
     }
     
     .header-text {
         text-align: center;
         flex-grow: 1;
     }
     
     h1 {
         font-size: 2.5rem;
         margin-bottom: 1rem;
     }
     
     .tagline {
         font-size: 1.2rem;
         opacity: 0.9;
         margin-bottom: 1.5rem;
     }
     
     .btn {
         display: inline-block;
         background-color: var(--accent-color);
         color: white;
         padding: 0.8rem 1.8rem;
         border-radius: 50px;
         text-decoration: none;
         font-weight: bold;
         transition: all 0.3s ease;
         border: none;
         cursor: pointer;
     }
     
     .btn:hover {
         background-color: #ff7a33;
         transform: translateY(-3px);
         box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
     }
     
     main {
         padding: 3rem 0;
     }
     
     .section {
         margin-bottom: 3rem;
         padding: 2rem;
         background-color: white;
         border-radius: 8px;
         box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
         border: 1px solid rgba(0, 0, 0, 0.1);
     }
     
     h2 {
         color: var(--primary-color);
         margin-bottom: 1.5rem;
         font-size: 1.8rem;
     }
     
     h3 {
         color: var(--secondary-color);
         margin-bottom: 1rem;
     }
     
     p {
         margin-bottom: 1rem;
     }
     
     ul {
         margin-left: 2rem;
         margin-bottom: 1rem;
     }
     
     li {
         margin-bottom: 0.5rem;
     }
     
     .highlight-box {
         background-color: rgba(0, 167, 157, 0.1);
         border-left: 4px solid var(--secondary-color);
         padding: 1.5rem;
         margin: 1.5rem 0;
         border-radius: 0 4px 4px 0;
     }
     
     .donation-options {
         display: flex;
         flex-wrap: wrap;
         gap: 20px;
         margin-top: 2rem;
     }
     
     .donation-option {
         flex: 1;
         min-width: 250px;
         background-color: white;
         border-radius: 8px;
         padding: 1.5rem;
         box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
         text-align: center;
         transition: transform 0.3s ease;
         border: 1px solid rgba(0, 0, 0, 0.1);
     }
     
     .donation-option:hover {
         transform: translateY(-10px);
     }
     
     .donation-option h3 {
         color: var(--primary-color);
         margin-bottom: 1rem;
     }
     
     .donation-amount {
         font-size: 2rem;
         font-weight: bold;
         color: var(--secondary-color);
         margin-bottom: 1rem;
     }
     
     .paypal-button {
         margin-top: 1rem;
     }
     
     .progress-container {
         margin: 2rem 0;
     }
     
     .progress-bar {
         height: 20px;
         background-color: #e9ecef;
         border-radius: 10px;
         overflow: hidden;
     }
     
     .progress {
         height: 100%;
         background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
         width: 0;
         transition: width 1s ease;
     }
     
     .progress-text {
         display: flex;
         justify-content: space-between;
         margin-top: 0.5rem;
         font-size: 0.9rem;
     }
     
     footer {
         background-color: var(--dark-color);
         color: white;
         text-align: center;
         padding: 2rem 0;
         margin-top: 2rem;
     }
     
     .thank-you-popup {
         position: fixed;
         top: 0;
         left: 0;
         width: 100%;
         height: 100%;
         background-color: rgba(0, 0, 0, 0.8);
         display: flex;
         justify-content: center;
         align-items: center;
         z-index: 1000;
         opacity: 0;
         visibility: hidden;
         transition: all 0.3s ease;
     }
     
     .thank-you-popup.active {
         opacity: 1;
         visibility: visible;
     }
     
     .popup-content {
         background-color: white;
         padding: 2rem;
         border-radius: 8px;
         text-align: center;
         max-width: 500px;
         box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
     }
     
     .popup-content h2 {
         color: var(--secondary-color);
         margin-bottom: 1rem;
     }
     
     .close-popup {
         margin-top: 1.5rem;
     }
     
     .fish-icon {
         width: 120px;
         height: auto;
     }
     
     .donation-flex-container {
         display: flex;
         flex-wrap: wrap;
         gap: 20px;
         align-items: center;
         justify-content: center;
         margin-top: 2rem;
     }
     
     .qr-code-container {
         flex: 1;
         min-width: 250px;
         text-align: center;
     }
     
     .qr-code {
         width: 128px;
         height: 128px;
         margin: 0 auto;
         display: block;
         border: 1px solid #eee;
         padding: 10px;
         background: white;
         object-fit: contain;
     }
     
     .qr-code-label {
         margin-top: 0.5rem;
         font-size: 0.9rem;
         color: var(--dark-color);
     }
     
     .custom-amount-container {
         flex: 1;
         min-width: 250px;
         text-align: center;
     }
     
     #custom-donation-form {
         display: flex;
         flex-direction: column;
         align-items: center;
         gap: 15px;
     }
     
     #custom-amount {
         padding: 0.8rem;
         border: 1px solid #ddd;
         border-radius: 4px;
         width: 100%;
         max-width: 200px;
         min-width: 150px;
     }
     
     @media (max-width: 768px) {
         h1 {
             font-size: 2rem;
         }
         .donation-options {
             flex-direction: column;
         }
         body {
             background-attachment: scroll;
         }
         .header-content {
             flex-direction: column;
             gap: 20px;
         }
         .fish-icon {
             width: 100px;
         }
         .donation-flex-container {
             flex-direction: column;
         }
     }