:root{color-scheme:light;--bg: #f7f5ef;--surface: #fffdf8;--surface-strong: #ffffff;--text: #20201d;--muted: #62605a;--line: #ddd6c7;--accent: #28666e;--accent-strong: #17494f;--accent-soft: #e5f0ef;--warm: #9b5d34;--shadow: 0 18px 45px rgba(48, 43, 34, .11);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--accent-strong);text-decoration-thickness:.08em;text-underline-offset:.18em}img{display:block;max-width:100%}button,input,select{font:inherit}.site-header,.site-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1180px;margin:0 auto;padding:1rem clamp(1rem,4vw,2rem)}.site-header{border-bottom:1px solid var(--line)}.site-header nav,.site-footer nav{display:flex;flex-wrap:wrap;gap:.75rem 1rem}.brand{color:var(--text);font-weight:800;text-decoration:none}.site-footer{margin-top:4rem;border-top:1px solid var(--line);color:var(--muted)}.page-section,.hero{width:min(1180px,calc(100% - 2rem));margin:0 auto}.hero{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);gap:clamp(1rem,3vw,2rem);align-items:stretch;padding:clamp(1.25rem,4vw,3.5rem) 0 2rem}.hero-copy{display:flex;flex-direction:column;justify-content:center}.eyebrow{margin:0 0 .75rem;color:var(--warm);font-size:.83rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3{line-height:1.08;letter-spacing:0}h1{max-width:11ch;margin:0;font-size:clamp(2.45rem,6vw,5.5rem)}h2{margin:0 0 .9rem;font-size:clamp(1.55rem,3vw,2.4rem)}h3{margin:0 0 .55rem;font-size:1.12rem}.lede{max-width:64ch;color:var(--muted);font-size:1.08rem}.hero-media{min-height:420px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#e9e2d5;box-shadow:var(--shadow)}.hero-media img{width:100%;height:100%;object-fit:cover}.calculator-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.72fr);gap:1rem;align-items:start;margin-top:1.5rem}.calculator-form,.result-panel,.guide-card,.callout,.article,.contact-panel{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:0 10px 30px #302b2212}.calculator-form,.result-panel{padding:clamp(1rem,3vw,1.35rem)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.field{display:flex;flex-direction:column;gap:.38rem}.field label{color:#35342f;font-size:.92rem;font-weight:750}.field input,.field select{width:100%;min-height:2.75rem;border:1px solid #c9c0ae;border-radius:6px;background:#fff;color:var(--text);padding:.62rem .7rem}.field input:focus,.field select:focus{outline:3px solid rgba(40,102,110,.2);border-color:var(--accent)}.field-note{color:var(--muted);font-size:.83rem}.result-panel{position:sticky;top:1rem}.result-list{display:grid;gap:.65rem;margin:1rem 0}.result-item{display:flex;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--line);padding-bottom:.65rem}.result-item span{color:var(--muted)}.result-item strong{text-align:right}.notice{border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:6px;padding:.85rem 1rem}.error-list{color:#8b1e1e}.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1rem}.guide-card{padding:1rem}.guide-card p{color:var(--muted)}.callout{margin-top:1.25rem;padding:1.25rem}.article{width:min(780px,calc(100% - 2rem));margin:2rem auto 0;padding:clamp(1.1rem,4vw,2rem)}.article h1{max-width:15ch;font-size:clamp(2rem,5vw,4rem)}.article p,.article li{color:#3c3a35}.guide-group{margin-top:1.5rem}.guide-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;padding:0;list-style:none}.guide-list a{display:block;height:100%;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:1rem;text-decoration:none}.guide-list span{display:block;margin-top:.35rem;color:var(--muted);font-size:.9rem}.contact-panel{padding:1.25rem}@media(max-width:900px){.hero,.calculator-shell,.content-grid{grid-template-columns:1fr}.hero-media{min-height:300px}.result-panel{position:static}}@media(max-width:620px){.site-header,.site-footer{align-items:flex-start;flex-direction:column}.form-grid,.guide-list{grid-template-columns:1fr}h1{font-size:2.55rem}}