cost.css

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #003366;
    color: white;
    padding: 10px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header .logo {
    width: 150px;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-left: 20px;
    position: relative;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    padding: 10px;
    display: block;
}

header nav ul li .dropdown-content {
    display: none;
    position: absolute;
    background-color: #003366;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
    min-width: 150px;
    top: 40px;
    border-radius: 5px;
    overflow: hidden;
}

header nav ul li:hover .dropdown-content {
    display: block;
}

header nav ul li .dropdown-content li {
    padding: 12px 16px;
}

header nav ul li .dropdown-content li a {
    color: white;
}

.cost-savings {
    padding: 50px 20px;
    background-color: #fff;
}

.cost-savings .container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #e0f7fa;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.cost-savings h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    color: #006064;
}

.cost-savings h3 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: #00796b;
}

.cost-savings ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.cost-savings ul li {
    font-size: 1.2em;
    margin-bottom: 10px;
    background-color: #b2dfdb;
    padding: 10px;
    border-radius: 5px;
}

.cost-savings ul li strong {
    color: #004d40;
}

.savings-calculator {
    padding: 20px;
    background-color: #b2ebf2;
    border: 1px solid #80deea;
    border-radius: 10px;
    margin-top: 30px;
}

.savings-calculator h3 {
    color: #00838f;
}

.savings-calculator form {
    display: flex;
    flex-direction: column;
}

.savings-calculator form label {
    margin-bottom: 5px;
    color: #004d40;
}

.savings-calculator form input {
    margin-bottom: 15px;
    padding: 8px;
    font-size: 1em;
    border-radius: 5px;
    border: 1px solid #004d40;
}

.savings-calculator form input[type="submit"] {
    background-color: #004d40;
    color: white;
    border: none;
    cursor: pointer;
    padding: 10px;
    font-size: 1.1em;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.savings-calculator form input[type="submit"]:hover {
    background-color: #00796b;
}

#savingsResult {
    font-size: 1.5em;
    color: #006064;
    text-align: center;
    margin-top: 20px;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px 0;
}

footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Responsive design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }

    .cost-savings .container {
        padding: 20px;
    }
}