.calc-hero{background:linear-gradient(135deg,#fff8f3 0,#eef6fb 100%);padding:48px 0 28px;text-align:center}
.calc-hero h1{font-size:clamp(2rem,5vw,3.4rem);margin:0 0 12px}
.calc-kicker{color:var(--orange);font-weight:700;text-transform:uppercase;font-size:12px;letter-spacing:.08em;margin-bottom:8px}
.calc-hero__text{max-width:760px;margin:0 auto;color:var(--text-sec);font-size:1.08rem;line-height:1.7}
.calc-disclaimer{padding:18px 0 0}
.calc-disclaimer p{background:#fff3e8;border-left:4px solid var(--orange);border-radius:8px;padding:16px 18px;line-height:1.65;color:var(--text-sec)}
.calc-layout{display:grid;grid-template-columns:1fr;gap:22px;max-width:980px}
.calc-tool{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}
.calc-tool__head{margin-bottom:20px}
.calc-tool__head h2{font-size:1.55rem;margin:0 0 8px}
.calc-tool__head p{color:var(--text-sec);line-height:1.7}
.calc-tool__eyebrow{color:var(--blue)!important;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
.calc-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.calc-field{display:flex;flex-direction:column;gap:6px}
.calc-field label{font-weight:700;color:var(--navy);font-size:14px}
.calc-field input{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;font:inherit;color:var(--text);background:#fff}
.calc-field input:focus{outline:3px solid rgba(74,159,212,.22);border-color:var(--blue)}
.calc-field p{font-size:12px;color:var(--text-muted);line-height:1.45;margin:0}
.calc-form .btn{align-self:end}
.calc-error{grid-column:1/-1;color:#b42318;font-weight:700;font-size:13px;min-height:20px}
.calc-result{margin-top:18px;background:var(--bg);border-radius:12px;padding:16px}
.calc-result:empty{display:none}
.calc-result h3{font-size:1rem;margin:0 0 10px}
.calc-result__grid{display:grid;gap:8px;margin:0}
.calc-result__row{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding:7px 0}
.calc-result__row:last-child{border-bottom:0}
.calc-result__row dt{color:var(--text-sec);font-size:14px}
.calc-result__row dd{font-weight:800;color:var(--navy);text-align:right;margin:0}
.calc-note{font-size:13px;color:var(--text-sec);line-height:1.6;margin:12px 0 0}
.formula-box{font-size:14px;line-height:1.65}
@media (max-width:720px){.calc-tool{padding:18px}.calc-form{grid-template-columns:1fr}.calc-form .btn{width:100%}.calc-result__row{flex-direction:column;gap:2px}.calc-result__row dd{text-align:left}}