:root{
  --ink:#1c2430; --muted:#5d6878; --line:#e3e7ec; --bg:#fbfaf7; --paper:#ffffff;
  --navy:#1f3a5f; --accent:#d9661f; --accent-soft:#fdf1e8;
  --serif:Georgia,"Iowan Old Style","Palatino Linotype",Palatino,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans)}
a{color:var(--navy);text-underline-offset:2px}
a:hover{color:var(--accent)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:#fff;padding:6px 10px;z-index:9}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

.site-header{background:var(--navy);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.brand{font:700 26px/1 var(--serif);color:#fff;text-decoration:none;letter-spacing:-.01em}
.brand span{color:#f3a46b}
.site-header ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 22px}
.site-header nav a{color:#dbe4ef;text-decoration:none;font-size:15px}
.site-header nav a:hover,.site-header nav a[aria-current]{color:#fff;text-decoration:underline;text-decoration-color:var(--accent)}

.layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;padding-top:40px;padding-bottom:56px}
@media (max-width:900px){.layout{grid-template-columns:minmax(0,1fr);gap:32px}}

h1,h2,h3{font-family:var(--serif);line-height:1.25;color:var(--ink)}
.intro{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:8px}
.intro h1{font-size:clamp(28px,4vw,40px);margin:0 0 12px;letter-spacing:-.015em}
.intro p{color:var(--muted);margin:0;max-width:60ch}
.archive h1{font-size:clamp(26px,3.5vw,36px);margin:4px 0 16px}

.kicker{display:inline-block;font:600 12px/1.4 var(--sans);text-transform:uppercase;letter-spacing:.08em;color:var(--accent);text-decoration:none;margin:0}
.kicker a{color:var(--accent);text-decoration:none}
.meta{color:var(--muted);font-size:14px;margin:4px 0 0}

.cards{display:grid;gap:0}
.card{padding:26px 0;border-bottom:1px solid var(--line)}
.card h2{font-size:23px;margin:6px 0 2px}
.card h2 a{color:var(--ink);text-decoration:none}
.card h2 a:hover{color:var(--navy);text-decoration:underline}
.card p{margin:8px 0}
.more{font-weight:600;font-size:15px;text-decoration:none}

.post header h1{font-size:clamp(28px,4.2vw,40px);margin:8px 0 6px;letter-spacing:-.015em}
.content{margin-top:28px;max-width:70ch}
.content h2{font-size:25px;margin:1.8em 0 .5em}
.content h3{font-size:20px;margin:1.5em 0 .4em}
.content p,.content ul,.content ol{margin:0 0 1.05em}
.content li{margin:.25em 0}
.content blockquote{margin:1.4em 0;padding:.4em 1.2em;border-left:3px solid var(--accent);color:var(--muted)}
.content table{border-collapse:collapse;width:100%;font-size:15px;background:var(--paper)}
.content th,.content td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.content thead th{background:#f1f4f8}
.content caption{caption-side:top;text-align:left;font-weight:600;padding-bottom:8px}
.table-wrap,figure.wp-block-table{margin:1.6em 0;overflow-x:auto}
.diagram{margin:1.6em 0;padding:16px;background:var(--paper);border:1px solid var(--line);border-radius:8px}
.diagram svg{display:block;width:100%;max-width:440px;height:auto;margin:0 auto;font:14px var(--sans)}
.diagram figcaption{text-align:center;color:var(--muted);font-size:14px;margin-top:8px}
.note{background:var(--accent-soft);border-left:3px solid var(--accent);padding:12px 16px;border-radius:0 6px 6px 0;font-size:15.5px}
.big-mail{font-size:22px;font-family:var(--serif)}

.post-foot{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);max-width:70ch}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:13px;text-decoration:none;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:3px 12px;color:var(--muted)}
.tag:hover{border-color:var(--accent);color:var(--accent)}
.cta{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:14px 18px;margin-top:20px}

.postnav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;max-width:70ch}
.postnav a{display:block;text-decoration:none;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-size:15px}
.postnav a span{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:2px}
.postnav .next{text-align:right}
.postnav a:hover{border-color:var(--navy)}
@media (max-width:600px){.postnav{grid-template-columns:1fr}.postnav .next{text-align:left}}

.sidebar section{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin-bottom:20px;font-size:15px}
.sidebar h2{font-size:17px;margin:0 0 8px}
.sidebar p{margin:0}
.cats{list-style:none;margin:0;padding:0}
.cats li{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid var(--line)}
.cats li:last-child{border-bottom:0}
.count{color:var(--muted);font-size:13px}
.sidebar a{overflow-wrap:anywhere}

.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:20px;padding-bottom:28px}
.site-footer p{margin:0}
.content a{overflow-wrap:anywhere}
@media (max-width:600px){.content table{font-size:13.5px}.content th,.content td{padding:6px 7px}}
.author-box{margin-top:24px;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--navy);border-radius:0 8px 8px 0;padding:14px 18px;font-size:15px}
.author-box p{margin:0 0 6px}.author-box p:last-child{margin:0}
.author-name{font-family:var(--serif);font-weight:700;font-size:17px}
.calc{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px;margin:24px 0}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}
@media (max-width:640px){.calc-grid{grid-template-columns:1fr}}
.calc label{display:flex;flex-direction:column;font-weight:600;font-size:15px;gap:4px}
.calc .hint{font-weight:400;font-size:13px;color:var(--muted);line-height:1.4}
.calc input[type=text]{font:inherit;font-size:17px;padding:9px 12px;border:1px solid #c9d1db;border-radius:6px;background:#fff;color:var(--ink);margin-top:auto}
.calc input[type=text]:focus{outline:2px solid var(--navy);outline-offset:1px}
.calc label.check{flex-direction:row;align-items:center;gap:10px;font-weight:500;grid-column:1/-1}
.calc label.check input{width:18px;height:18px}
.calc-out{margin:8px 0 32px}
.verdict{font-size:19px;padding:14px 18px;border-radius:8px;margin:0 0 16px}
.verdict.good{background:#e8f5ec;border-left:4px solid #2e7d4f}
.verdict.bad{background:#fdecea;border-left:4px solid #b3261e}
.calc-out td{text-align:right;white-space:nowrap}
.calc-out tr.total th,.calc-out tr.total td{background:#f1f4f8}
.small{font-size:14.5px;color:var(--muted)}
.sidebar .tool{border-color:var(--accent);background:var(--accent-soft)}