.calculator-page { max-width: 1140px; padding-top: 48px; padding-bottom: 64px; }
.calculator-page h1 { text-align: center; font: 700 clamp(32px,4vw,50px)/1.25 "Libre Baskerville", Georgia, serif; color: #06152c; }
.calculator-intro { max-width: 750px; margin: 20px auto 28px; text-align: center; font-size: 20px; line-height: 1.65; }
.calculator-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-bottom: 44px; }
.calculator-section { border-top: 1px solid #ccdada; padding: 36px 0; scroll-margin-top: 180px; }
.calculator-section h2 { font: 700 clamp(26px,3vw,36px)/1.3 "Libre Baskerville", Georgia, serif; color: #06152c; }
.calculator-section p { font-size: 18px; line-height: 1.65; }
.calculator-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 32px; align-items: start; }
.calculator-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin: 24px 0; }
.calculator-fields label { display: block; font-size: 18px; font-weight: 600; line-height: 1.5; color: #163e44; }
.calculator-fields input, .calculator-fields select { display: block; box-sizing: border-box; width: 100%; min-height: 50px; margin-top: 8px; padding: 10px; font: inherit; color: #06152c; background: white; border: 1px solid #70898d; border-radius: 6px; }
.calculator-fields input:focus-visible, .calculator-fields select:focus-visible { outline: 3px solid #164d67; outline-offset: 3px; }
.calculator-note { padding: 22px; background: #f4f7f7; border-radius: 10px; }
.calculator-result { margin-top: 24px; padding: 24px; background: #eaf3f3; border: 1px solid #abc5c5; border-radius: 10px; }
.calculator-result:focus { outline: 3px solid #164d67; outline-offset: 3px; }
.calculator-result h3 { margin-top: 0; font-size: 22px; }
.calculator-result .calculator-total { font-size: 36px; font-weight: 700; color: #06152c; margin: 12px 0; }
.calculator-result dl { margin: 0; }
.calculator-result dl div { display: flex; gap: 20px; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #c1d3d3; }
.calculator-result dt { font-size: 17px; }
.calculator-result dd { margin: 0; font-size: 18px; font-weight: 600; white-space: nowrap; }
.calculator-result .calculator-return { margin: 22px 0 0; }
.calculator-section .calculator-small { font-size: 16px; }
.calculator-page [hidden] { display: none; }
body.large-text .calculator-page p, body.large-text .calculator-page dt, body.large-text .calculator-page dd { font-size: 21px; }
body.large-text .calculator-page .calculator-total { font-size: 40px; }
@media (max-width: 800px) { .calculator-grid { grid-template-columns: 1fr; } }
@media (max-width: 500px) { .calculator-fields { grid-template-columns: 1fr; } .calculator-links .button { width: 100%; text-align: center; } }

/* Plain-language caveat shown above each calculator's fields. */
.calculator-rough{margin:0 0 18px;padding:12px 16px;border-left:4px solid var(--bright,#9b2a2a);background:#f7f4ef;border-radius:0 6px 6px 0;font-weight:600;color:#33404a;line-height:1.5}

/* Optional fields most visitors will not have on hand. */
.calculator-advanced{margin:18px 0 4px;border-top:1px solid #d9d4cb;padding-top:14px}
.calculator-advanced>summary{cursor:pointer;font-weight:700;color:var(--navy,#06152c);padding:6px 0;list-style:none}
.calculator-advanced>summary::-webkit-details-marker{display:none}
.calculator-advanced>summary:before{content:"+";display:inline-block;width:1.1em;font-size:1.15em;line-height:1}
.calculator-advanced[open]>summary:before{content:"\2212"}
.calculator-advanced>summary:focus-visible{outline:3px solid #d01818;outline-offset:2px}