* {
          box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "Ubuntu", serif;
            background-color: rgb(244 244 244);
            color: #135c66;
        }
        .header {
            background-image: linear-gradient(rgb(0 0 0 / 69%), rgb(0 104 117 / 54%)), url(./donate.png);
            margin: 2rem;
            border-radius: 30px;
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 60px 20px;
        }
        .header h2 {
            font-size: 2rem;
            font-weight: 500;
            margin-bottom: 10px;
        }
        .header p {
            font-size: 20px;
        }
        .main-container {
            max-width: 1200px;
            margin: auto;
            padding: 2rem;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: baseline;
        }
        .card {
            padding: 1rem;
            flex: 1;
            min-width: 320px;
            max-width: 500px;
        }
        .card h2 {
            text-align: center;
            margin-bottom: 20px;
            font-weight: 500;
            color: #117079;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .input-group {
            position: relative;
        }
        .input-group span {
            position: absolute;
            left: 10px;
            top: 50%;
            padding: 10px;
            transform: translateY(-50%);
            color: #009688;
            font-weight: 500;
            font-size: 1.5rem;
        }
        .input-group img {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: auto;
        }
        input, textarea {
            width: 100%;
            padding: 1rem 50px;
            border: 2px solid #ccc;
            font-family: inherit;
            color: #135c66;
            border-radius: 20px;
            font-size: 1rem;
            transition: border-color 0.2s ease;
        }
        input:focus {
            outline: none;
            border-color: #117079;
        }
        button {
            background: #117079;
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 20px;
            font-family: inherit;
            font-weight: 500;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        button:hover {
            background: #135c66;
        }
        .error {
            background: #d6f2f0;
            padding: 10px;
            border-radius: 20px;
            text-align: center;
            font-size: 15px;
            margin: 1rem;
        }
        /* Beneficios */
        .benefits {
            padding: 2rem;
            border-radius: 20px;
            border: 1px solid;
            flex: 1;
            min-width: 320px;
            max-width: 400px;
        }
        .benefits h3 {
            text-align: center;
            color: inherit;
            font-weight: 500;
            font-size: 20px;
        }
        .benefit-item {
            display: flex;
            align-items: center;
            margin: 12px 0;
            gap: 12px;
        }
        .benefit-item img {
            width: 32px;
            height: 32px;
        }