*{box-sizing:border-box;margin:0;padding:0}body{font-family:Arial,Helvetica,sans-serif;color:#172033;background:#f6f8fb;line-height:1.6}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.site-header{background:#fff;border-bottom:1px solid #e8edf3}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:1.35rem;font-weight:800;letter-spacing:.08em}.brand span{font-weight:500}.tagline{color:#687386;font-size:.9rem}.hero{padding:72px 0 52px;background:#fff}.eyebrow{color:#61708a;font-size:.76rem;font-weight:800;letter-spacing:.14em;margin-bottom:10px}.hero h1{font-size:clamp(2rem,5vw,3.35rem);line-height:1.08;max-width:760px;margin-bottom:18px}.hero-text{color:#687386;font-size:1.08rem;max-width:680px}.calculator-section{padding:48px 0 0}.calculator-card{background:#fff;border:1px solid #e8edf3;border-radius:18px;padding:34px;box-shadow:0 12px 35px rgba(23,32,51,.06)}.card-heading{margin-bottom:28px}.card-heading h2{font-size:1.65rem;margin-bottom:6px}.card-heading p{color:#687386}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.form-group label{display:block;font-size:.9rem;font-weight:700;margin-bottom:8px}.form-group input{width:100%;height:50px;padding:0 14px;border:1px solid #ccd5e2;border-radius:10px;font:inherit;color:#172033;background:#fff}.form-group input:focus{outline:none;border-color:#718096;box-shadow:0 0 0 3px rgba(113,128,150,.12)}.error-message{display:block;min-height:22px;padding-top:5px;color:#b42318;font-size:.78rem}.input-note{margin:4px 0 12px;color:#687386;font-size:.82rem}button{width:100%;min-height:52px;margin-top:8px;border:0;border-radius:10px;background:#172033;color:#fff;font:inherit;font-weight:700;cursor:pointer}button:hover{opacity:.92}.results{margin-top:34px}.hidden{display:none}.result-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.result-card{padding:20px;border:1px solid #e8edf3;border-radius:12px;background:#f8fafc}.result-card.primary{background:#eef2f7}.result-label{display:block;color:#687386;font-size:.78rem;font-weight:700;margin-bottom:6px}.result-card strong{display:block;font-size:1.3rem}.result-summary{margin-top:16px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border:1px solid #e8edf3;border-radius:12px;overflow:hidden}.result-summary div{padding:16px;background:#fff;border-right:1px solid #e8edf3}.result-summary div:last-child{border-right:0}.result-summary span{display:block;color:#687386;font-size:.76rem;margin-bottom:4px}.result-summary strong{font-size:.96rem}.secondary-button{background:#fff;color:#172033;border:1px solid #ccd5e2;margin-top:22px}.info-section{margin-top:70px;background:#fff;padding-top:85px;padding-bottom:70px;border-top:1px solid #e8edf3}.info-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}.info-grid h2{font-size:2rem;line-height:1.2;margin-bottom:16px}.info-grid p{color:#687386}.formula-box{padding:24px;background:#f6f8fb;border:1px solid #e8edf3;border-radius:14px}.formula-box h3{margin-bottom:12px}.formula-box p+p{margin-top:10px}.more-tools{padding:65px 0;background:#f6f8fb}.more-tools h2{font-size:1.9rem;margin-bottom:10px}.more-tools p:last-child{color:#687386}.site-footer{padding:28px 0;background:#172033;color:#dbe2ec;font-size:.86rem}@media(max-width:1050px){.result-summary{grid-template-columns:repeat(3,minmax(0,1fr))}.result-summary div{border-right:0;border-bottom:1px solid #e8edf3}.result-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:900px){.info-grid{grid-template-columns:1fr;gap:35px}}@media(max-width:680px){.container{width:min(100% - 28px,1120px)}.header-inner{min-height:64px;align-items:flex-start;flex-direction:column;justify-content:center;gap:2px}.tagline{font-size:.78rem}.hero{padding:52px 0 38px}.calculator-card{padding:22px;border-radius:14px}.form-grid,.result-grid,.result-summary{grid-template-columns:1fr}.result-summary div{border-bottom:1px solid #e8edf3}.result-summary div:last-child{border-bottom:0}.info-section{margin-top:55px;padding-top:55px;padding-bottom:60px}.more-tools{padding:52px 0}}