:root{--ink:#102a2d;--muted:#596e70;--paper:#f6f8f4;--surface:#fff;--line:#d8e1dc;--line-strong:#b9cbc2;--teal:#087f70;--teal-dark:#086358;--teal-soft:#dff4eb;--navy:#102e38;--amber:#f6c65b;--danger:#a5262e;--shadow:0 18px 45px #102e3814;--radius:18px;--max:1180px}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;margin:0;font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:var(--teal-dark);text-underline-offset:3px}a:hover{color:var(--ink)}button,input,select{font:inherit}button,a,input,select{outline-offset:3px}:focus-visible{outline:3px solid #e3a512}.container{width:min(calc(100% - 32px), var(--max));margin-inline:auto}.skip-link{z-index:100;background:var(--navy);color:#fff;padding:10px 14px;position:fixed;top:-60px;left:12px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line);z-index:30;backdrop-filter:blur(12px);background:#f6f8f4eb;position:sticky;top:0}.nav{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{color:var(--navy);letter-spacing:-.04em;font-size:1.25rem;font-weight:800;text-decoration:none}.brand-mark{background:var(--teal);color:#fff;border-radius:9px;place-items:center;width:30px;height:30px;margin-right:8px;font:700 .88rem ui-monospace,monospace;display:inline-grid}.nav-links{align-items:center;gap:24px;display:flex}.nav-links a{color:var(--ink);font-weight:600;text-decoration:none}.nav-links .nav-cta{color:#fff;background:var(--navy);border-radius:10px;padding:9px 14px}main{min-height:70vh}.hero{background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-position:50%;background-size:36px 36px;padding:76px 0 54px}.eyebrow{color:var(--teal-dark);letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:8px;margin:0 0 14px;font:700 .75rem ui-monospace,monospace;display:inline-flex}.eyebrow:before{content:"";background:var(--teal);width:22px;height:2px}h1,h2,h3{color:var(--navy);letter-spacing:-.04em;line-height:1.12}h1{max-width:850px;margin:0;font-size:clamp(2.4rem,6vw,5rem)}h2{font-size:clamp(1.7rem,3vw,2.55rem)}h3{font-size:1.2rem}.lead{max-width:720px;color:var(--muted);margin:22px 0 0;font-size:clamp(1.05rem,2vw,1.25rem)}.section{padding:64px 0}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px;display:flex}.section-heading h2{margin:0}.tool-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.tool-card{min-height:210px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;padding:24px;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;box-shadow:0 2px #102e3808}.tool-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-3px)}.tool-card .tag{color:var(--teal-dark);text-transform:uppercase;letter-spacing:.08em;font:700 .7rem ui-monospace,monospace}.tool-card h3{margin:30px 0 8px}.tool-card p{color:var(--muted);margin:0}.tool-card .arrow{margin-top:auto;font-weight:700}.trust-strip{background:var(--navy);color:#fff}.trust-grid{grid-template-columns:repeat(3,1fr);gap:32px;padding:40px 0;display:grid}.trust-grid strong{color:var(--amber);letter-spacing:.08em;text-transform:uppercase;font:700 .73rem ui-monospace,monospace;display:block}.trust-grid span{color:#d9e6e4;margin-top:6px;display:block}.crumbs{color:var(--muted);padding:28px 0 0;font-size:.9rem}.crumbs ol{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.crumbs li:not(:last-child):after{content:"/";color:var(--line-strong);margin-left:8px}.tool-head{padding:34px 0 26px}.tool-head h1{font-size:clamp(2rem,5vw,4rem)}.tool-head .lead{max-width:760px}.calculator{background:var(--surface);border:1px solid var(--line-strong);box-shadow:var(--shadow);border-radius:24px;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);display:grid;overflow:hidden}.calc-inputs{padding:clamp(22px,4vw,42px)}.calc-results{color:#fff;background:var(--navy);padding:clamp(22px,4vw,42px)}.calc-title{margin:0 0 22px;font-size:1.4rem}fieldset{border:0;margin:0 0 24px;padding:0}legend,.field-label{margin-bottom:8px;font-weight:700;display:block}.mode-options{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.mode-options label{position:relative}.mode-options input{opacity:0;position:absolute}.mode-options span{text-align:center;border:1px solid var(--line);cursor:pointer;border-radius:10px;padding:10px 12px;display:block}.mode-options input:checked+span{color:#fff;background:var(--teal);border-color:var(--teal)}.mode-options input:focus-visible+span{outline-offset:2px;outline:3px solid #e3a512}.fields{gap:18px;display:grid}.input-wrap{position:relative}.input-prefix,.input-suffix{color:var(--muted);pointer-events:none;position:absolute;top:50%;transform:translateY(-50%)}.input-prefix{left:14px}.input-suffix{right:14px}.input-wrap input,.input-wrap select{width:100%;min-height:48px;color:var(--ink);border:1px solid var(--line-strong);background:#fff;border-radius:10px;padding:10px 14px}.input-wrap.has-prefix input{padding-left:34px}.input-wrap.has-suffix input{padding-right:38px}.field-help,.field-error{margin-top:5px;font-size:.84rem;display:block}.field-help{color:var(--muted)}.field-error{color:var(--danger)}.field-error:empty{display:none}.button-row{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.button{border:1px solid var(--line-strong);min-height:44px;color:var(--ink);cursor:pointer;background:#fff;border-radius:10px;padding:9px 15px;font-weight:700}.button:hover{border-color:var(--teal)}.button-dark{color:#fff;background:#183f49;border-color:#52727a}.result-kicker{color:#bcd2cf;text-transform:uppercase;letter-spacing:.08em;margin:0;font:700 .72rem ui-monospace,monospace}.result-primary{color:#fff;overflow-wrap:anywhere;margin:8px 0 26px;font-size:clamp(2.35rem,6vw,4.3rem)}.result-list{gap:0;margin:0;display:grid}.result-list div{border-top:1px solid #345660;justify-content:space-between;gap:20px;padding:13px 0;display:flex}.result-list dt{color:#c9d9d7}.result-list dd{margin:0;font:600 1rem ui-monospace,monospace}.result-note{color:#d8e7e4;min-height:26px;margin:20px 0 0}.formula{color:#dff4eb;background:#0b252e;border-radius:12px;margin-top:26px;padding:16px;font:500 .83rem/1.6 ui-monospace,monospace}.copy-status{color:#bdebdc;font-size:.84rem}.content-grid{grid-template-columns:minmax(0,1fr) 300px;gap:58px;display:grid}.prose{max-width:760px}.prose h2{margin-top:48px}.prose h3{margin-top:32px}.prose p,.prose li{color:#3e5659}.example-box{background:var(--teal-soft);border-left:4px solid var(--teal);border-radius:0 14px 14px 0;padding:22px}.side-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:22px;position:sticky;top:98px}.side-card h2{margin-top:0;font-size:1.15rem}.side-card ul{padding-left:20px}.reviewed{border-top:1px solid var(--line);color:var(--muted);margin-top:42px;padding-top:20px;font-size:.9rem}.page-head{padding:52px 0 30px}.page-head h1{font-size:clamp(2.2rem,5vw,4rem)}.page-body{padding:8px 0 56px}.page-body .prose{max-width:820px}.page-body h2{margin-top:42px}.notice{background:var(--teal-soft);border:1px solid #bcded2;border-radius:12px;padding:18px 20px}.currency-field{grid-template-columns:110px 1fr;gap:10px;display:grid}.ad-slot{display:none}.ads-enabled .ad-slot{min-height:250px;display:block}.site-footer{color:#dce8e6;background:#0b252e;margin-top:70px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding:52px 0;display:grid}.site-footer a{color:#dce8e6}.site-footer h2{color:#fff;margin-top:0;font-size:1.1rem}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li{margin:7px 0}.footer-bottom{color:#a9bfbc;border-top:1px solid #29434a;padding:20px 0;font-size:.86rem}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}@media (width<=820px){.nav-links a:not(.nav-cta){display:none}.hero{padding-top:54px}.tool-grid,.trust-grid,.calculator,.content-grid{grid-template-columns:1fr}.side-card{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}}@media (width<=520px){.container{width:min(calc(100% - 22px), var(--max))}.nav{min-height:64px}.nav-cta{display:none}.section{padding:48px 0}.section-heading{flex-direction:column;align-items:start}.mode-options,.footer-grid{grid-template-columns:1fr}.footer-intro{grid-column:auto}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}