*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f7f8fb;color:#172033;line-height:1.55}a{color:#174A7E;text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1160px,100%);margin:auto;padding:0 16px}
header{background:rgba(255,255,255,.97);border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}.nav{min-height:62px;display:flex;align-items:center;gap:14px}.brand{font-size:19px;font-weight:850;color:#172033;white-space:nowrap}.brand span{color:#174A7E}.desktop-nav{display:flex;gap:14px;flex:1}.desktop-nav a{font-size:14px;color:#5B6B7A}.header-tools{display:flex;gap:6px}.header-tools select{max-width:125px;padding:7px 8px;border:1px solid #d0d5dd;border-radius:8px;background:#fff}.menu-btn{display:none;border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:8px 10px;font-size:18px}
.mobile-nav{display:none;padding:8px 16px 14px;border-top:1px solid #eee;background:#fff}.mobile-nav.open{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-nav a{padding:10px;border-radius:8px;background:#f7f8fb}
.hero{padding:42px 0 28px;background:linear-gradient(135deg,#fff 0%,#f1f5ff 100%)}.hero h1{font-size:clamp(32px,6vw,54px);line-height:1.04;margin:9px 0 12px}.hero p{max-width:850px;color:#5B6B7A;font-size:17px}.eyebrow{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#174A7E}.crumb{font-size:13px;color:#5B6B7A;margin-bottom:10px}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eaf0ff;color:#174A7E;font-size:12px;font-weight:800}
main{padding:24px 0 70px}.calculator{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:20px;box-shadow:0 5px 22px rgba(16,24,40,.045)}.card h2{margin-top:0}.field{margin-bottom:14px}.field label{display:block;font-weight:700;font-size:14px;margin-bottom:5px}.field input,.field select{width:100%;padding:12px;border:1px solid #d0d5dd;border-radius:9px;font-size:16px;background:#fff}.help{font-size:12px;color:#5B6B7A;margin-top:4px}.period{display:flex;gap:7px;margin-top:6px}.period button{flex:1;border:1px solid #d0d5dd;background:#fff;border-radius:8px;padding:7px;cursor:pointer}.period button.active{background:#eaf0ff;border-color:#8da7ff;color:#174A7E;font-weight:700}.btn{border:0;border-radius:9px;padding:12px 18px;background:#174A7E;color:#fff;font-weight:750;cursor:pointer;width:100%}.btn.secondary{background:#fff;color:#174A7E;border:1px solid #aebce8}.result{padding:16px;background:#f1f5ff;border:1px solid #cbd7ff;border-radius:14px}.result-main{font-size:clamp(30px,7vw,46px);font-weight:850;color:#174A7E;line-height:1.1;margin:5px 0 13px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.metric{background:#fff;border:1px solid #e0e7ff;border-radius:10px;padding:10px}.metric span{display:block;font-size:12px;color:#5B6B7A}.metric strong{display:block;font-size:17px}.bar{height:12px;background:#e5e7eb;border-radius:99px;overflow:hidden;margin:8px 0}.bar span{display:block;height:100%;background:#174A7E}.insight{padding:12px;border-left:4px solid #174A7E;background:#f1f5ff;margin-top:12px}.warning{padding:12px;border-left:4px solid #b54708;background:#fff7ed}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tool{display:block;background:#fff;border:1px solid #e5e7eb;border-radius:13px;padding:15px;color:#172033}.tool .icon{font-size:24px}.tool strong{display:block;margin:5px 0}.muted{color:#5B6B7A}.toc{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0}.toc a{padding:7px 11px;border:1px solid #dbe2f0;border-radius:999px;background:#fff;font-size:13px}.formula{font-family:ui-monospace,monospace;background:#f8fafc;border:1px solid #e5e7eb;border-radius:10px;padding:13px;overflow:auto}.faq details{border-top:1px solid #e5e7eb;padding:14px 0}.faq summary{font-weight:750;cursor:pointer}.section{margin-top:20px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{border:1px solid #e5e7eb;border-radius:11px;padding:13px}.stat strong{font-size:20px;display:block}
footer{background:#101828;color:#d0d5dd;padding:38px 0}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:22px}.footer-grid a{color:#d0d5dd}.footer-links{display:grid;gap:7px}.small{font-size:13px}.cookie{position:fixed;left:12px;right:12px;bottom:12px;z-index:100;background:#101828;color:#fff;border-radius:14px;padding:14px 16px;box-shadow:0 12px 40px #0004;display:flex;gap:14px;align-items:center}.cookie p{margin:0;flex:1;font-size:13px}.cookie button{border:0;border-radius:8px;padding:9px 14px;background:#fff;color:#101828;font-weight:700;cursor:pointer}
@media(max-width:800px){.nav{min-height:58px}.desktop-nav{display:none}.menu-btn{display:block}.header-tools{margin-left:auto}.header-tools select{max-width:105px}.hero{padding:30px 0 22px}.calculator{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.card{padding:16px}}
@media(max-width:520px){.container{padding:0 12px}.brand{font-size:17px}.header-tools select{max-width:85px;font-size:12px}.grid,.result-grid,.footer-grid{grid-template-columns:1fr}.hero h1{font-size:34px}.hero p{font-size:16px}.cookie{flex-direction:column;align-items:stretch}.cookie button{width:100%}}

.card>*+*{margin-top:14px}.calculator>.card{padding:clamp(18px,3vw,28px)}
.amount-wrap{position:relative}.amount-wrap .currency-prefix{position:absolute;left:12px;top:13px;font-weight:800;color:#5B6B7A;z-index:1}.amount-wrap input{padding-left:42px}
.primary-action{min-height:50px;font-size:16px;font-weight:800;box-shadow:0 6px 16px rgba(36,87,214,.2)}
.result{padding:clamp(18px,3vw,26px);background:linear-gradient(145deg,#F2F7FA,#fff);border-radius:16px}
.result-label{text-transform:none;font-size:13px;font-weight:750;color:#5B6B7A}.result-caption{font-size:13px;color:#5B6B7A;margin-top:5px}
@media(max-width:800px){.calculator{grid-template-columns:1fr}.header-tools select{max-width:105px}}
@media(max-width:520px){.calculator>.card{padding:15px}.field input{min-height:48px}.primary-action{min-height:52px}.header-tools select{max-width:92px;font-size:12px}}

/* Finance-sector trust palette */
:root{
  --finance-navy:#102A43;
  --finance-blue:#174A7E;
  --finance-blue-2:#1E5A96;
  --finance-teal:#18866B;
  --finance-bg:#F5F8FA;
  --finance-border:#D7E2EA;
  --finance-text:#102A43;
  --finance-muted:#5B6B7A;
}
body{background:var(--finance-bg);color:var(--finance-text)}
header{background:#fff;border-bottom:1px solid var(--finance-border)}
.brand{color:var(--finance-navy)}
.brand span{color:var(--finance-blue-2)}
.btn.primary-action,.primary-action{background:linear-gradient(135deg,var(--finance-blue),var(--finance-blue-2));border-color:var(--finance-blue)}
.btn.primary-action:hover,.primary-action:hover{filter:brightness(.94)}
.badge{border-color:#C9DDEB;background:#EDF5FA;color:var(--finance-blue)}
.card,.tool{border-color:var(--finance-border);box-shadow:0 6px 22px rgba(16,42,67,.06)}
.result{background:linear-gradient(145deg,#EFF6FA,#fff)}
.result .bar span{background:linear-gradient(90deg,var(--finance-blue),var(--finance-teal))}
.insight{border-left-color:var(--finance-teal)}
a{color:var(--finance-blue-2)}
a:hover{color:var(--finance-navy)}
footer{background:var(--finance-navy);color:#EAF1F6}
footer a{color:#D6E6F2}
input:focus,select:focus{border-color:var(--finance-blue-2);box-shadow:0 0 0 3px rgba(30,90,150,.12);outline:none}

.not-found-hero{text-align:center;padding:clamp(35px,7vw,80px) 20px}
.not-found-hero h1{font-size:clamp(32px,6vw,56px);margin-bottom:12px}
.not-found-hero p{max-width:700px;margin:0 auto 22px}
.section-heading{margin-bottom:20px}.section-heading h2{margin:8px 0}.section-heading p{color:var(--finance-muted)}

.result.calculated{border:1px solid #C9DDEB}
.result-main{font-size:clamp(30px,6vw,48px);font-weight:850;color:#174A7E;line-height:1.1}
.metric{padding:12px;border:1px solid #D7E2EA;border-radius:12px;background:#fff}
.metric span{display:block;font-size:12px;color:#5B6B7A;margin-bottom:4px}
.metric strong{display:block;font-size:17px;color:#102A43}





input[type=number]{appearance:textfield}
input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{appearance:auto}

#tenure-period{min-height:44px;width:100%;border:1px solid #D7E2EA;border-radius:10px;padding:0 12px;background:#fff;color:#102A43;font-weight:700}

.period{display:flex;gap:0;margin-top:8px;border:1px solid #D7E2EA;border-radius:10px;padding:3px;background:#F5F8FA;width:max-content}
.period button{border:0;background:transparent;border-radius:8px;padding:9px 16px;font-weight:750;color:#5B6B7A;cursor:pointer}
.period button.active,.period button.selected{background:#174A7E;color:#fff;box-shadow:0 2px 6px rgba(16,42,67,.18)}
.period button:focus-visible{outline:3px solid rgba(30,90,150,.2);outline-offset:1px}