.relining-calculator-wrapper {
    max-width: 700px;
    margin: 0 auto;
    font-family: 'Manrope', sans-serif;
    color: #2F2F2F;
    text-align: left;
    background-color: #F3F5F7;
    padding: 30px;
    border-radius: 10px;
}

.relining-calculator-wrapper h2,
.relining-calculator-wrapper h3 {
    font-size: 40px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #2F2F2F;
}

.relining-calculator-wrapper h5 {
    font-weight: 600;
}

#pipeline-area {
    border-radius: 10px;
}

.relining-calculator-wrapper p {
    font-size: 17px;
    line-height: 1.6em;
    margin-bottom: 16px;
    color: #2F2F2F;
}

.calculator-input-wrapper {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.calculator-input-wrapper input {
    flex: 1;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid #ccc;
    font-size: 16px;
}

/* Button */
.calculator-input-wrapper button {
    background-color: #355154;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

/* Hover + Active (avoid red) */
.calculator-input-wrapper button:hover,
.calculator-input-wrapper button:active,
.calculator-input-wrapper button:focus {
    background-color: #468782 !important;
    outline: none;
}

.calculator-summary {
    margin-top: 30px;
    background-color: #355154;
    color: white !important;
    padding: 20px;
    border-radius: 10px;
}

.relining-calculator-wrapper .calculator-summary p {
    color: white;
}

/* NEW: adjust description text size */
.calculator-description {
    font-size: 15px !important;
}

/* Responsive: Mobile */
@media (max-width: 600px) {

    .relining-calculator-wrapper h2,
    .relining-calculator-wrapper h3 {
        font-size: 30px;
    }

    .relining-calculator-wrapper p {
        font-size: 16px;
    }

    .calculator-input-wrapper {
        flex-direction: column;
    }

    .calculator-input-wrapper button {
        width: 100%;
    }
}