.country-picker{display:flex;align-items:center;gap:12px}.country-picker label{font-size:1rem}.country-picker select{padding:9px 14px;font:inherit;border:1px solid #b4c4bf;border-radius:8px;background:white}.calculator-card input{width:100%;padding:12px;border:1px solid #b4c4bf;border-radius:8px;font:inherit;margin-bottom:12px}.calculator-card label{display:block;margin-top:14px}.calculator-card small{display:block;font-size:.875rem;line-height:1.5;color:#53655d;margin-top:-6px}.calculator-card button{margin-top:24px}.vn-principles{margin-top:28px;padding-top:24px;border-top:1px solid #c7d3cd}.vn-principles h2{font-size:1.35rem}.vn-principles li{font-size:1rem;line-height:1.7;margin-bottom:10px}.vn-principles ul{padding-left:22px}.vn-principles p,.vn-formula p{font-size:.95rem;line-height:1.7}.vn-formula{margin:24px 0;padding:18px;border:1px solid #c7d3cd;border-radius:12px}.vn-formula summary{cursor:pointer;font-weight:600}.result-grid strong{font-size:clamp(1.25rem,2vw,1.8rem);overflow-wrap:anywhere}.intro-copy h1{font-size:clamp(2.4rem,5vw,4rem)}[hidden]{display:none!important}@media(max-width:700px){.tool-header{flex-wrap:wrap;gap:16px}.country-picker{width:100%;justify-content:space-between}.country-picker select{width:55%}}