:root{--bg: #f7f9f6;--surface: #ffffff;--surface-strong: #e9f2ec;--ink: #16211b;--muted: #5d6962;--line: #d8e2dc;--green: #176b4d;--blue: #2364aa;--coral: #d85d47;--lime: #b4d455;--shadow: 0 18px 48px rgba(22, 33, 27, .11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Arial,sans-serif;line-height:1.5}img{display:block;max-width:100%}a{color:inherit}.site-header{align-items:center;background:#f7f9f6f0;border-bottom:1px solid var(--line);display:flex;gap:24px;justify-content:space-between;min-height:76px;padding:14px clamp(18px,4vw,64px);position:sticky;top:0;z-index:10}.brand{align-items:center;display:inline-flex;font-size:1rem;font-weight:800;gap:10px;text-decoration:none}.brand-mark{align-items:center;background:var(--green);border-radius:8px;color:#fff;display:inline-flex;height:38px;justify-content:center;width:38px}.main-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.main-nav a{border-radius:8px;color:var(--muted);font-size:.94rem;font-weight:700;padding:10px 12px;text-decoration:none}.main-nav a:hover,.main-nav a:focus-visible{background:var(--surface-strong);color:var(--ink);outline:none}.tool-hero,.page-hero,.page-section,.calculator-strip,.planning-section,.guide-section,.calculator-workspace,.article-body{padding-left:clamp(18px,4vw,64px);padding-right:clamp(18px,4vw,64px)}.tool-hero{align-items:stretch;display:grid;gap:clamp(22px,4vw,54px);grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);min-height:82svh;padding-bottom:clamp(28px,5vw,76px);padding-top:clamp(28px,5vw,76px)}.tool-hero__content{align-self:center;max-width:760px}.eyebrow{color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:0;margin:0 0 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span{color:var(--lime);display:block;font-size:.84rem;font-weight:800;margin-bottom:30px;text-transform:uppercase}.calculator-grid.light .calculator-card span{color:var(--blue)}.calculator-card strong{display:block;font-size:1.6rem;letter-spacing:0;line-height:1.12}.calculator-card p{color:#ffffffc7;margin:12px 0 0}.calculator-grid.light .calculator-card p{color:var(--muted)}.planning-grid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}.planning-grid article{background:var(--surface);border:1px solid var(--line);border-radius:8px;min-width:0;overflow:hidden}.planning-grid img{aspect-ratio:4 / 3;object-fit:cover;width:100%}.planning-grid article div{padding:20px}.planning-grid h3,.guide-list h3{font-size:1.35rem;letter-spacing:0;line-height:1.15;margin:0}.planning-grid p,`n.guide-list p{color:var(--muted);margin:12px 0 0}.guide-section{background:#f1f5f8}.guide-list{display:grid;gap:14px}.guide-row{align-items:center;background:var(--surface);border:1px solid 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