:root {
  color-scheme: light;
  --ink: #24342e;
  --muted: #61726a;
  --soft: #f3f1e7;
  --paper: #fffef9;
  --line: #dfe4d8;
  --green: #2f6547;
  --green-deep: #204932;
  --green-soft: #e5eee3;
  --gold: #c8753c;
  --shadow: 0 18px 54px rgba(39, 58, 45, .09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--soft);line-height:1.62}
a{color:var(--green-deep)}
button,input,select{font:inherit}
.skip-link{position:absolute;z-index:20;top:-60px;left:16px;padding:9px 13px;background:var(--paper);border-radius:8px}
.skip-link:focus{top:12px}
.site-header{width:min(1120px,calc(100% - 40px));margin:0 auto;min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-weight:760;letter-spacing:-.03em;text-decoration:none}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:12px 12px 12px 4px;color:#fff;background:var(--green);font-size:17px;font-family:Georgia,serif;font-style:italic}
.top-nav{display:flex;align-items:center;gap:26px}
.top-nav a{color:var(--muted);text-decoration:none;font-size:.91rem;font-weight:600}
.top-nav a:hover,.site-footer a:hover{color:var(--green);text-decoration:underline}
.page-frame{width:min(1120px,calc(100% - 40px));max-width:1120px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr);justify-content:center;gap:18px;padding:0 0 42px}
.content-column{width:min(100%,1120px);min-width:0;margin:0 auto}
.ad-rail{display:none}
.hero-band{display:grid;grid-template-columns:1fr;gap:20px;padding:28px 0 8px;align-items:start}
.hero{padding:8px 4px 0}
.eyebrow,.section-kicker{color:var(--green);font-size:.77rem;font-weight:800;letter-spacing:.12em;line-height:1.4;text-transform:uppercase}
.eyebrow{display:flex;align-items:center;gap:9px;margin:0 0 12px}
.eyebrow-dot{width:8px;height:8px;display:inline-block;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(200,117,60,.12)}
h1,h2,h3,p{margin-top:0}
h1{max-width:28ch;margin-bottom:12px;font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.85rem,3.6vw,2.55rem);font-weight:500;letter-spacing:-.045em;line-height:1.12}
.hero-copy{max-width:660px;margin:0 0 17px;color:var(--muted);font-size:1.08rem}
.lead{font-size:.95rem;line-height:1.5;background:#e8f0e4;border-left:4px solid #3d6b2e;padding:10px 12px;margin:0;border-radius:0 8px 8px 0}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:760;text-decoration:none}
.text-link:hover{gap:12px}
.calculator-card{padding:clamp(18px,2.8vw,28px);border:1px solid rgba(219,225,213,.95);border-radius:24px;background:var(--paper);box-shadow:var(--shadow);scroll-margin-top:22px}
@media(min-width:900px){
  .hero-band{grid-template-columns:minmax(0,.88fr) minmax(0,1.22fr);gap:24px;padding:24px 0 8px;align-items:start}
  .hero{padding:10px 0 0}
  .calculator-card{padding:clamp(16px,2.4vw,24px)}
  .calculator-card .card-heading{margin-bottom:14px}
  .calculator-card .card-heading h2{font-size:clamp(1.3rem,2.3vw,1.65rem)}
  .calculator-card .field-grid{gap:12px 12px}
  .calculator-card .field label{margin-bottom:6px}
  .calculator-card .field input:not([type=range]),.calculator-card .field select{min-height:44px}
  .calculator-card .field small{font-size:.7rem;margin-top:4px}
  .calculator-card .form-actions{margin-top:12px;padding-top:12px}
  .calculator-card .results{margin-top:14px;padding:14px 16px}
  .calculator-card .result-summary{margin:8px 0 12px}
  .calculator-card .result-stat{min-height:76px;padding:10px}
  .calculator-card .result-stat strong{font-size:1.2rem}
  .calculator-card .result-assumption{margin:10px 0 0}
}
.card-heading,.result-topline,.form-actions{display:flex;align-items:center;justify-content:space-between;gap:18px}
.card-heading{margin-bottom:28px}
.card-heading .section-kicker,.result-topline .section-kicker,.section-heading .section-kicker{margin-bottom:7px}
.card-heading h2,.section-heading h2{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.75rem,4vw,2.4rem);font-weight:500;letter-spacing:-.04em;line-height:1.15}
.live-badge{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;color:#456552;background:var(--green-soft);font-size:.78rem;font-weight:700}
.live-badge span{width:7px;height:7px;border-radius:50%;background:#4f9a69}
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 20px}
.field{min-width:0}
.field label{display:block;margin-bottom:8px;font-size:.91rem;font-weight:730}
.unit{color:var(--muted);font-size:.78rem;font-weight:550}
.field input:not([type=range]),.field select{width:100%;min-height:48px;padding:10px 12px;border:1px solid #cfd8cc;border-radius:10px;outline:none;color:var(--ink);background:#fff}
.field input:not([type=range]):focus,.field select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(47,101,71,.13)}
.field small{display:block;margin-top:7px;color:var(--muted);font-size:.77rem;line-height:1.45}
.form-error{margin:18px 0 0;padding:10px 12px;border-radius:9px;color:#842f25;background:#fff0ec;font-size:.88rem}
.form-actions{margin-top:23px;padding-top:18px;border-top:1px solid #edf0e8}
.button{min-height:42px;padding:9px 15px;border-radius:9px;cursor:pointer;font-size:.85rem;font-weight:740}
.button-secondary{border:1px solid #ced8cd;color:var(--green-deep);background:transparent}
.button-secondary:hover{background:#f3f7f1}
.form-note{color:var(--muted);font-size:.76rem;text-align:right}
.results{margin-top:27px;padding:23px;border-radius:17px;color:#f6f8f1;background:var(--green-deep)}
.result-topline{align-items:flex-start}
.result-topline .section-kicker{color:#b9d3bc}
.result-topline h3{margin:0;font-size:clamp(1.55rem,4vw,2.2rem);font-weight:680;letter-spacing:-.04em;line-height:1.2}
.result-icon{width:38px;height:38px;display:grid;place-items:center;flex:0 0 auto;border:1px solid rgba(255,255,255,.2);border-radius:50%;color:#c9e1c9;font-size:1.15rem}
.result-summary{margin:12px 0 18px;color:#d5e3d6;font-size:.9rem}
.result-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}
.result-stat{min-height:100px;padding:14px;border:1px solid rgba(255,255,255,.13);border-radius:12px;background:rgba(255,255,255,.07)}
.stat-label,.stat-unit{display:block;color:#c3d5c5;font-size:.73rem}
.result-stat strong{display:block;margin:5px 0 2px;color:#fff;font-size:1.45rem;font-weight:730;letter-spacing:-.03em}
.result-assumption{margin:15px 0 0;color:#c7d8c9;font-size:.75rem}
.content-section,.faq-section{padding:56px 10px 0}
.section-heading{margin-bottom:19px}
.content-section>p{color:#52645a}
.formula-card{margin:22px 0 27px;padding:22px 24px;border:1px solid #d8e2d5;border-radius:15px;background:#edf2e9}
.formula-label{color:var(--green);font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
.formula-card p{margin:12px 0 0}
.formula-card code{color:#213f2d;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.91rem}
.formula-footnote{color:var(--muted);font-size:.84rem}
.content-section h3{margin:26px 0 10px;font-size:1.13rem}
.tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.tip-card{padding:20px 18px;border:1px solid var(--line);border-radius:15px;background:rgba(255,254,249,.7)}
.tip-number{color:var(--gold);font-size:.75rem;font-weight:850;letter-spacing:.12em}
.tip-card h3{margin:8px 0;font-size:1rem}
.tip-card p{margin:0;color:var(--muted);font-size:.84rem}
.faq-section details{padding:17px 2px;border-top:1px solid #d7ded4}
.faq-section details:last-of-type{border-bottom:1px solid #d7ded4}
.faq-section summary{cursor:pointer;font-weight:740}
.faq-section details p{margin:12px 0 0;color:var(--muted);font-size:.92rem}
.disclaimer{margin:35px 10px 10px;padding:14px 16px;border-left:3px solid var(--gold);color:var(--muted);background:rgba(255,255,255,.4);font-size:.83rem}
.site-footer{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:20px 0 34px;display:flex;justify-content:space-between;gap:14px;border-top:1px solid rgba(80,103,87,.2);color:var(--muted);font-size:.8rem}
.site-footer p{margin:0}
.site-footer a{white-space:nowrap}
.example-table{width:100%;border-collapse:collapse;font-size:.92rem;margin:.6em 0}
.example-table th,.example-table td{border-bottom:1px solid #d5e0d0;padding:8px 6px;text-align:left}
.example-table th{background:#eef5ea}
.related-tools ul,.sources ul{margin:.4em 0;padding-left:1.2em}
.related-tools li,.sources li{margin:.3em 0}
.small{color:var(--muted);font-size:.84rem}
@media(max-width:680px){
  .site-header{min-height:67px;width:calc(100% - 30px)}
  .top-nav{gap:13px}
  .top-nav a{font-size:.79rem}
  .top-nav a:nth-child(2){display:none}
  .page-frame{width:calc(100% - 28px);max-width:none;padding:0 0 30px}
  .hero-band{padding:18px 0 4px;gap:16px}
  .hero{padding:4px 2px 0}
  .hero-copy{font-size:1rem}
  .card-heading{align-items:flex-start;flex-direction:column;gap:10px}
  .field-grid{grid-template-columns:1fr;gap:17px}
  .form-actions{align-items:flex-start;flex-direction:column}
  .form-note{text-align:left}
  .results{padding:20px 16px}
  .result-stats{grid-template-columns:1fr}
  .result-stat{min-height:auto}
  .tip-grid{grid-template-columns:1fr}
  .content-section,.faq-section{padding:43px 3px 0}
  .formula-card{padding:18px}
  .formula-card code{font-size:.79rem}
  .site-footer{width:calc(100% - 30px);align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}