:root{
  --ink:#17211c;
  --muted:#5c675f;
  --paper:#f7f8f4;
  --white:#fff;
  --green:#176b4d;
  --green-dark:#0f563c;
  --green-soft:#e6f0eb;
  --lime:#ddef8d;
  --line:#dce2da;
  --line-strong:#c8d0c7;
  --warm:#f1eee5;
  --shadow-soft:0 8px 24px rgba(23,33,28,.06);
  --radius:18px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #86bca7;outline-offset:3px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;background:#fff;padding:10px;z-index:9}
.site-header{max-width:var(--max);margin:auto;padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;letter-spacing:-.03em;white-space:nowrap}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff}
.site-header nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650}
.site-header nav a:hover{color:var(--green)}
main{overflow:hidden}
.hero{max-width:var(--max);margin:auto;padding:88px 28px 72px;display:grid;grid-template-columns:1.55fr .7fr;gap:90px;align-items:end}
.eyebrow{margin:0 0 18px;color:var(--green);font-size:12px;font-weight:850;letter-spacing:.14em}
.hero h1{max-width:820px;margin:0;font-size:clamp(54px,8vw,104px);line-height:.91;letter-spacing:-.065em}
.hero-lead{max-width:690px;margin:30px 0 0;color:var(--muted);font-size:21px}
.hero-actions{display:flex;gap:12px;margin-top:32px}
.button{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:0 22px;border:0;border-radius:999px;font:inherit;font-weight:800;cursor:pointer}
.primary{background:var(--green);color:#fff}
.primary:hover{background:var(--green-dark)}
.secondary{background:transparent;border:1px solid var(--line-strong)}
.secondary:hover{border-color:#9dac9f;background:#fbfcf9}
.trust-list{display:flex;gap:30px;padding:0;margin:28px 0 0;list-style:none;color:var(--muted);font-size:13px}
.trust-list li:before{content:"✓";color:var(--green);font-weight:bold;margin-right:7px}
.hero-note{border-top:4px solid var(--green);padding:24px 0}
.note-number{color:var(--green);font-size:12px;font-weight:850}
.hero-note h2{font-size:27px;line-height:1.15}
.hero-note p{color:var(--muted)}
.hero-note a,.text-link{color:var(--green);font-weight:800}
.journeys,.tools,.popular-guides{max-width:var(--max);margin:auto;padding:86px 28px}
.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.section-heading .eyebrow{margin:0}
.section-heading h2,.calculator-intro h2,.editorial h2{max-width:720px;margin:0;font-size:clamp(36px,5vw,62px);line-height:1;letter-spacing:-.05em}
.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.journey{min-height:310px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);display:flex;flex-direction:column;box-shadow:var(--shadow-soft);transition:transform .2s,border-color .2s}
.journey.featured{background:var(--green);color:#fff;border-color:var(--green)}
.journey>span{font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.journey h3{margin:48px 0 10px;font-size:27px;line-height:1.1;letter-spacing:-.035em}
.journey p{margin:0;color:var(--muted)}
.journey.featured p{color:#d8e8df}
.journey b{margin-top:auto;font-size:14px}
.journey:hover{transform:translateY(-4px);border-color:#b2c0b4}
.journey.featured:hover{border-color:var(--green-dark)}
.calculator-section{background:var(--ink);color:#fff;padding:90px max(28px,calc((100vw - var(--max))/2 + 28px));display:grid;grid-template-columns:.65fr 1.35fr;gap:70px}
.calculator-intro>p:not(.eyebrow){color:#b7c2ba}
.calculator-intro .eyebrow{color:var(--lime)}
.method{margin-top:48px;padding-top:22px;border-top:1px solid #3b463f}
.method span{color:var(--lime);font-size:38px;font-weight:850}
.method p{margin:4px 0;color:#b7c2ba}
.calculator-card{background:#fff;color:var(--ink);border-radius:24px;padding:30px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field-grid label{font-size:13px;font-weight:750}
.control{position:relative;display:block;margin-top:7px}
.control b{position:absolute;right:13px;top:12px;z-index:1;color:var(--muted);font-size:12px}
.control input,.control select{width:100%;height:45px;border:1px solid var(--line-strong);border-radius:10px;padding:0 50px 0 12px;background:#fbfcf9;color:var(--ink);font-size:16px}
.control input:hover,.control select:hover{border-color:#b7c3b9}
.field-grid small{display:block;color:#b13a34;min-height:16px}
.form-actions{display:flex;align-items:center;gap:18px;margin-top:14px}
.reset{border:0;background:transparent;color:var(--green);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}
.result-panel{border-radius:16px;background:var(--warm);padding:26px}
.result-panel:focus-visible{outline:3px solid #86bca7;outline-offset:4px}
.result-panel>p{margin:0;color:var(--muted);font-size:13px}
.main-result{display:flex;align-items:baseline;gap:5px;margin:8px 0 20px}
.main-result strong{font-size:44px;line-height:1;letter-spacing:-.05em}
.result-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #d5d2c8}
.result-grid div{padding:14px 8px 8px 0}
.result-grid span{display:block;color:var(--muted);font-size:11px}
.result-grid b{font-size:15px}
.result-panel>small{display:block;margin-top:16px;color:var(--muted)}
.hidden-compat{display:none}
.tool-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}
.tool-columns h3{font-size:22px}
.tool-columns a{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line)}
.tool-columns a:hover{color:var(--green)}
.tools .text-link{display:inline-block;margin-top:36px}
.editorial{background:var(--lime);padding:90px max(28px,calc((100vw - var(--max))/2 + 28px));display:grid;grid-template-columns:1fr 1.3fr;gap:80px}
.editorial .eyebrow{color:var(--ink)}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.principles article{border-top:2px solid var(--ink);padding-top:20px}
.principles span{font-size:12px;font-weight:850}
.principles h3{margin-top:55px;font-size:22px;line-height:1.15}
.principles p{font-size:14px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.guide-grid a{padding:28px;border-radius:var(--radius);background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .2s,border-color .2s}
.guide-grid a:hover{transform:translateY(-3px);border-color:#b2c0b4}
.guide-grid span{color:var(--green);font-size:12px;font-weight:800}
.guide-grid h3{margin:45px 0 12px;font-size:25px;line-height:1.12}
.guide-grid p{color:var(--muted)}
footer{max-width:var(--max);margin:auto;padding:48px 28px 30px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:35px}
.footer-brand{display:flex;gap:12px;align-items:center}
.footer-brand p{margin:0;color:var(--muted)}
.footer-links{display:flex;justify-content:flex-end;gap:20px;font-size:13px;flex-wrap:wrap}
.footer-links a:hover{color:var(--green)}
footer>small{grid-column:1/-1;color:var(--muted)}
@media(max-width:900px){
  .site-header{flex-wrap:wrap}
  .site-header nav{order:2;width:100%;gap:22px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none}
  .site-header nav::-webkit-scrollbar{display:none}
  .site-header nav a{white-space:nowrap}
  .hero{grid-template-columns:1fr;padding-top:60px;gap:42px}
  .hero-note{max-width:520px}
  .journey-grid{grid-template-columns:1fr 1fr}
  .calculator-section,.editorial{grid-template-columns:1fr}
  .calculator-card{grid-template-columns:1fr}
  .principles{grid-template-columns:1fr 1fr}
  .tool-columns,.guide-grid{grid-template-columns:1fr 1fr}
  .section-heading{display:block}
  .section-heading .eyebrow{margin-bottom:18px}
}
@media(max-width:620px){
  .site-header{padding:18px;gap:14px}
  .site-header nav{gap:18px}
  .hero,.journeys,.tools,.popular-guides{padding:52px 18px}
  .hero h1{font-size:54px}
  .hero-lead{font-size:18px}
  .hero-actions,.trust-list{flex-direction:column}
  .hero-actions .button{width:100%}
  .trust-list{gap:8px}
  .journey-grid,.field-grid,.tool-columns,.principles,.guide-grid{grid-template-columns:1fr}
  .journey{min-height:240px}
  .calculator-section,.editorial{padding:60px 18px}
  .calculator-card{padding:18px}
  .section-heading h2,.calculator-intro h2,.editorial h2{font-size:40px}
  footer{grid-template-columns:1fr;padding:35px 18px}
  .footer-links{justify-content:flex-start;flex-wrap:wrap}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}