:root{
  --paper:#F3F5F0; --card:#FFFFFF; --ink:#14231C; --muted:#4A5A50; --body2:#33443A;
  --rule:#C8D1C8; --field:#8FA095; --teal:#0E6B5E; --ochre:#E0A93B; --mint:#E8EEE7; --slab-muted:#A9B8AE;
  --display:'Bricolage Grotesque','Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --sans:'Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.5 var(--sans)}
[hidden]{display:none!important}
h1,h2,h3{font-family:var(--display);letter-spacing:-0.015em;margin:0;line-height:1.15}
p{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid #0B57D0;outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);padding:12px 16px;z-index:20}
.skip:focus{left:8px;top:8px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* header */
.site-head .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 32px;padding-top:16px;padding-bottom:16px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;font:700 22px/1 var(--display);letter-spacing:-0.01em;text-decoration:none}
.mark{display:inline-block;width:24px;height:16px;border-top:2px solid var(--ink);border-bottom:5px double var(--ink)}
.nav{display:flex;flex-wrap:wrap;gap:0 24px}
.nav a{display:inline-flex;align-items:center;min-height:44px;font-weight:500;font-size:15px;text-decoration:none}
.nav a:hover,.nav a[aria-current=page]{text-decoration:underline;text-underline-offset:4px}

/* shared text */
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.lbl{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.hint{font-size:13px;color:var(--muted)}

/* hero */
.hero{padding-top:40px;padding-bottom:40px}
.hero h1{margin-top:16px;max-width:860px;font-weight:700;font-size:clamp(34px,5.2vw,60px);line-height:1.04;letter-spacing:-0.02em}
.hero .sub{margin-top:20px;max-width:620px;font-size:19px;color:var(--muted)}
.hero .trust{margin-top:16px;font-size:15px;font-weight:600;color:var(--teal)}

/* controls */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 18px;border-radius:4px;border:1px solid var(--teal);background:var(--teal);color:#fff;font:600 15px var(--sans);cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:#fff;color:var(--teal)}
.btn.link{border:0;background:transparent;color:var(--muted);text-decoration:underline;padding:8px 4px}
.seg{min-height:44px;padding:8px 14px;border-radius:4px;border:1px solid var(--field);background:#fff;color:var(--ink);font:500 15px var(--sans);cursor:pointer;text-align:left}
.seg[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.seg.big{flex:1 1 200px;display:flex;flex-direction:column;gap:2px;padding:12px 14px}
.seg.big b{font-weight:600}
.seg.big small{font-size:13px;font-weight:400}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.btns.center{align-items:center;gap:8px 16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.ctl{width:100%;min-height:46px;padding:10px 12px;font:500 16px var(--sans);color:var(--ink);background:#fff;border:1px solid var(--field);border-radius:4px}
textarea.ctl{font-weight:400;resize:vertical}
.num{font-family:var(--mono)}
.inp{position:relative;display:block}
.inp.pre input{padding-left:28px}
.inp.suf input{padding-right:30px}
.sym{position:absolute;top:50%;transform:translateY(-50%);color:var(--muted);font:500 16px var(--mono);pointer-events:none}
.sym.l{left:12px}
.sym.r{right:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.field.narrow{max-width:240px}

/* calculator layout */
.calc{display:flex;flex-wrap:wrap;align-items:flex-start;gap:24px;padding-bottom:64px}
.calc-left{flex:1 1 440px;min-width:0;display:flex;flex-direction:column;gap:16px}
.calc-right{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:16px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:8px;padding:24px;display:flex;flex-direction:column;gap:16px}
.card h2{font-size:22px;font-weight:700}
.stack{display:flex;flex-direction:column;gap:6px}
.stack.g8{gap:8px}
.callout{background:var(--mint);border-radius:6px;padding:14px 16px;font-size:14px;line-height:1.5}
.callout p+p{margin-top:6px}
.callout .strong{font-weight:600}
.callout .soft{color:var(--body2)}

/* results slab */
.slab{background:var(--ink);color:var(--paper);border-radius:8px;padding:clamp(20px,3vw,32px)}
.slab h2{font-size:24px;font-weight:700;margin-bottom:24px}
.grid3{display:grid;grid-template-columns:var(--cols);column-gap:16px}
.head-row{align-items:end}
.head-row .lab{font-size:13px;line-height:1.3;color:var(--slab-muted)}
.offer-name{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:13px;color:var(--slab-muted)}
.chip{padding:1px 8px;border:1px solid var(--ochre);border-radius:10px;font-size:11px;font-weight:600;color:var(--ochre)}
.fig{font:500 clamp(20px,3vw,38px)/1.15 var(--mono);letter-spacing:-0.02em;overflow-wrap:anywhere}
.range-row{margin-top:20px;align-items:start}
.range-row .lab{font-size:13px;line-height:1.3;color:var(--slab-muted);padding-top:2px}
.track{position:relative;height:10px;background:#2A3D33;border-radius:5px;margin:6px 0 8px}
.band{position:absolute;top:0;bottom:0;border-radius:5px;background:var(--ochre)}
.dot{position:absolute;top:-3px;width:4px;height:16px;margin-left:-2px;border-radius:2px;background:var(--paper)}
.range-text{font:400 13px/1.4 var(--mono)}
.slab-note{margin-top:12px;font-size:13px;color:var(--slab-muted)}
.warn{margin-top:12px;padding:10px 12px;border:1px solid var(--ochre);border-radius:6px;font-size:14px}
.rows{margin-top:28px}
.row{align-items:baseline;padding:10px 0;border-top:1px dotted #3D5348}
.row.total{padding-top:14px;border-top:3px double #7C8F83;font-weight:600}
.row.muted{color:var(--slab-muted)}
.row .l{font-size:14px;line-height:1.35}
.row .a{text-align:right;font:inherit;font-family:var(--mono);font-size:15px;overflow-wrap:anywhere}
.cmp{margin-top:20px;font-size:15px;font-weight:600}
.slab-foot{margin-top:20px;font-size:13px;line-height:1.5;color:var(--slab-muted)}
.empty{color:var(--slab-muted);font-size:15px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.slab .btn.ghost{border-color:var(--slab-muted);background:transparent;color:var(--paper)}

/* sections */
.band-white{background:#fff;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.sec{padding-top:56px;padding-bottom:56px}
.sec h2{font-size:clamp(26px,3.4vw,34px);font-weight:700;margin-bottom:8px;letter-spacing:-0.015em}
.sec .lead{max-width:620px;color:var(--muted);margin-bottom:28px}
.cards{display:flex;flex-wrap:wrap;gap:16px}
.gcard{flex:1 1 280px;display:flex;flex-direction:column;gap:10px;padding:24px;background:var(--paper);border:1px solid var(--rule);border-radius:8px;text-decoration:none}
.gcard:hover{border-color:var(--ink)}
.gcard .t{font:700 22px/1.2 var(--display)}
.gcard .q{color:var(--body2)}
.teaser{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 40px;padding-top:56px;padding-bottom:56px}
.teaser h2{font-size:clamp(24px,3vw,30px);margin-bottom:8px}
.teaser p{max-width:620px;color:var(--body2)}
.about{background:var(--mint);border-top:1px solid var(--rule)}
.about .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;padding-top:56px;padding-bottom:56px}
.about h2{font-size:20px;margin-bottom:12px}
.about p,.about li{color:var(--body2);font-size:15px}
.about ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px}

/* article pages */
.article{max-width:720px;margin:0 auto;padding:32px 24px 72px;font-size:17px;line-height:1.65}
.article .back{display:inline-flex;align-items:center;min-height:44px;color:var(--teal);font-size:15px;font-weight:600;text-decoration:none}
.article h1{margin-top:12px;font-size:clamp(32px,5vw,48px);line-height:1.08;letter-spacing:-0.02em}
.article .stand{margin-top:20px;font-size:20px;line-height:1.5;color:var(--body2)}
.article .by{margin-top:20px;font-size:14px;color:var(--muted)}
.article h2{margin:48px 0 12px;font-size:26px}
.article p+p{margin-top:16px}
.article ol,.article ul{margin:0 0 0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.article .box{background:var(--mint);border-radius:8px;padding:24px;margin-top:48px}
.article .box h2{margin:0 0 12px;font-size:22px}
.article .box ul{font-size:16px}
.article .foot{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.ex{background:#fff;border:1px solid var(--rule);border-radius:8px;padding:24px;overflow-x:auto;margin:20px 0}
.ex .note{font-size:14px;color:var(--muted);margin-bottom:16px}
.ex .t{min-width:420px}
.ex .r{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);column-gap:16px;padding:10px 0;border-top:1px dotted var(--field);font-size:15px}
.ex .r.h{border-top:0;padding-top:0;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ex .r.sum{padding-top:14px;border-top:3px double var(--ink);font-size:16px;font-weight:600}
.ex .r span+span{text-align:right;font-family:var(--mono)}
.ex .r.h span+span{font-family:var(--sans)}
.msg{font-weight:600;color:var(--teal)}
.msg.err{color:#9A2C2C}

/* footer */
.site-foot{background:var(--ink);color:var(--slab-muted)}
.site-foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;padding-top:32px;padding-bottom:32px;font-size:14px;line-height:1.5}
.site-foot .name{font:700 18px/1 var(--display);color:var(--paper)}
.site-foot p{max-width:640px}
noscript p{padding:24px;background:#fff;border:1px solid var(--rule);margin:24px}