body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #042648, #010a13);
    color: #ffffff;
    min-height: 100vh;
}

.roi-calculator-page {
    padding: 4rem 1rem;
}

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

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: #cccccc;
    margin-bottom: 3rem;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.calculator-card {
    background-color: #001f3f;
    border-radius: 0.25rem;
    padding: 1rem;
    border: 1px solid #333;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.calculator-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    background-color: #002b56;
}

.calculator-card.featured {
    border-color: #3b82f6;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.calculator-card.featured:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.3);
    background-color: rgba(0, 51, 102, 0.8);
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.input-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
}

input[type="number"], select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #333;
    background-color: #001f3f;
    color: #ffffff;
    border-radius: 0.25rem;
}

.tier-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.tier-btn {
    background-color: #001f3f;
    color: #ffffff;
    border: 1px solid #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin: 0 0.25rem;
}

.tier-btn.active {
    background-color: #3b82f6;
}

.service-selector {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.service-btn {
    background-color: #001f3f;
    color: #ffffff;
    border: 1px solid #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    flex-grow: 1;
    margin: 0 0.25rem;
}

.service-btn.active {
    background-color: #3b82f6;
}

.service-btn:hover {
    background-color: #1e40af;
}

.cost-display {
    margin-top: 1rem;
    font-size: 1.25rem;
    font-weight: bold;
}

.cost-display p {
    margin-bottom: 0.5rem;
}

.tax-included {
    font-size: 0.75rem;
    color: #cccccc;
    margin-left: 0.5rem;
    font-weight: normal;
}

.savings-display {
    text-align: center;
    margin-top: 2rem;
    font-size: 1.5rem;
}

#savings-amount {
    font-size: 2rem;
    font-weight: bold;
    color: #10b981;
}

.disclaimer {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.875rem;
    color: #cccccc;
}

.human-considerations {
    margin-top: 1rem;
}

.human-considerations h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.human-considerations ul {
    list-style-type: disc;
    padding-left: 1.5rem;
    color: #ffffff;
}

.human-considerations li {
    margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .calculator-grid {
        grid-template-columns: 1fr;
    }
}

/* Existing styles from the pricing page */
header, footer {
    background-color: #001f3f;
}

.logo-button, .nav-links a, .sign-in-btn {
    color: #ffffff;
    text-decoration: none;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-section {
    flex: 1;
    margin-bottom: 1rem;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal {
    list-style: none;
    padding: 0;
    display: flex;
}

.footer-legal li {
    margin-left: 1rem;
}

.footer-legal a {
    color: #cccccc;
    text-decoration: none;
}