/* V25 — Professional calculator content layer */
.calc-guide,.calc-related{margin:26px 0}
.calc-guide-head{margin-bottom:14px}
.calc-guide-kicker{display:block;text-transform:uppercase;letter-spacing:.09em;font-size:.7rem;font-weight:800;color:var(--green);margin-bottom:5px}
.calc-guide-head h2,.calc-detail-card h2{margin:0 0 7px;color:var(--navy-dark)}
.calc-guide-head p,.calc-detail-card p{color:var(--muted);line-height:1.65;margin:0}
.calc-info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.calc-info-grid article,.calc-detail-card,.calc-related-link{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 14px rgba(16,33,63,.045)}
.calc-info-grid article{padding:18px}
.calc-info-grid h3{margin:0 0 8px;color:var(--navy-dark);font-size:1rem}
.calc-info-grid p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.6}
.calc-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.calc-detail-card{padding:21px}
.calc-tip{margin-top:14px!important;padding:12px 14px;background:var(--soft);border-left:3px solid var(--green);border-radius:6px;color:var(--text)!important;font-size:.86rem}
.calc-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.calc-related-link{display:flex;flex-direction:column;gap:5px;padding:16px;text-decoration:none;transition:transform .15s,box-shadow .15s}
.calc-related-link:hover{transform:translateY(-2px);box-shadow:0 9px 20px rgba(16,33,63,.09)}
.calc-related-link strong{color:var(--navy-dark);font-size:.92rem}
.calc-related-link span{color:var(--muted);font-size:.78rem;line-height:1.45}
.calc-card{position:relative}
.calc-card:first-of-type{border-top:3px solid var(--green)}
@media(max-width:760px){
 .calc-info-grid,.calc-detail-grid,.calc-related-grid{grid-template-columns:1fr}
}