:root{
  --bg:#fbfaf7; --surface:#ffffff; --surface-2:#f4f2ec; --line:#e4e0d6;
  --ink:#181713; --ink-2:#4a463d; --ink-3:#7d786c;
  --accent:#c2410c; --accent-ink:#9a3412; --accent-soft:#fdefe6;
  --sun:#eab308; --ok:#15803d; --ok-soft:#e8f5ec; --warn:#b45309; --warn-soft:#fdf3e3;
  --stop:#b91c1c; --stop-soft:#fdeeee; --mute-soft:#f0eee8;
  --radius:14px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#14130f; --surface:#1c1b16; --surface-2:#24221c; --line:#332f27;
    --ink:#f2efe7; --ink-2:#c5bfb1; --ink-3:#918a7b;
    --accent:#fb923c; --accent-ink:#fdba74; --accent-soft:#2a1c12;
    --sun:#facc15; --ok:#4ade80; --ok-soft:#122417; --warn:#fbbf24; --warn-soft:#2a2010;
    --stop:#f87171; --stop-soft:#2a1414; --mute-soft:#24221c;
  }
}
:root[data-theme="dark"]{
  --bg:#14130f; --surface:#1c1b16; --surface-2:#24221c; --line:#332f27;
  --ink:#f2efe7; --ink-2:#c5bfb1; --ink-3:#918a7b;
  --accent:#fb923c; --accent-ink:#fdba74; --accent-soft:#2a1c12;
  --sun:#facc15; --ok:#4ade80; --ok-soft:#122417; --warn:#fbbf24; --warn-soft:#2a2010;
  --stop:#f87171; --stop-soft:#2a1414; --mute-soft:#24221c;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent-ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--accent)}
.wrap{width:min(100% - 2.5rem,1120px);margin-inline:auto}
.narrow{width:min(100% - 2.5rem,700px);margin-inline:auto}

.site-head{position:sticky;top:0;z-index:40;
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:1.25rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;letter-spacing:-.02em;
  font-size:1.05rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand:hover{color:var(--ink)}
.plugmark{width:26px;height:26px;flex:none}
.nav{display:flex;gap:1.1rem;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav a{color:var(--ink-2);text-decoration:none;font-size:.93rem;font-weight:500}
.nav a:hover{color:var(--accent)}
.theme-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  width:34px;height:34px;border-radius:9px;cursor:pointer;display:grid;place-items:center;padding:0}
.theme-btn:hover{border-color:var(--accent);color:var(--accent)}

.hero{padding:4.5rem 0 3rem;border-bottom:1px solid var(--line);
  background:radial-gradient(120% 90% at 82% -10%,var(--accent-soft) 0%,transparent 62%)}
.hero h1{font-family:var(--serif);font-weight:600;letter-spacing:-.022em;
  font-size:clamp(2.1rem,5.4vw,3.5rem);line-height:1.1;margin:0 0 1rem;max-width:19ch}
.hero p{font-size:clamp(1.02rem,2.1vw,1.2rem);color:var(--ink-2);max-width:60ch;margin:0 0 1.5rem}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.74rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent-soft);
  border:1px solid color-mix(in srgb,var(--accent) 26%,transparent);
  padding:.34rem .7rem;border-radius:100px;margin-bottom:1.25rem}
.hero-stats{display:flex;flex-wrap:wrap;gap:2.2rem;margin-top:2.4rem}
.stat b{display:block;font-family:var(--serif);font-size:1.85rem;line-height:1.1;letter-spacing:-.02em}
.stat span{font-size:.83rem;color:var(--ink-3)}

.section{padding:3.25rem 0}
.section+.section{padding-top:0}
.section-head{display:flex;align-items:baseline;gap:1rem;margin-bottom:1.6rem;flex-wrap:wrap}
.section-head h2{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;font-size:1.55rem;margin:0}
.section-head .hint{font-size:.86rem;color:var(--ink-3);margin-left:auto}
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(310px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.35rem 1.4rem 1.5rem;display:flex;flex-direction:column;
  transition:border-color .18s,transform .18s}
.card:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-2px)}
.card h3{font-family:var(--serif);font-weight:600;font-size:1.18rem;line-height:1.3;
  letter-spacing:-.015em;margin:.55rem 0 .5rem}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent-ink)}
.card p{margin:0 0 1rem;color:var(--ink-2);font-size:.95rem}
.card .meta{margin-top:auto;font-size:.79rem;color:var(--ink-3);display:flex;gap:.6rem;align-items:center}
.tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.075em;text-transform:uppercase;
  color:var(--accent-ink);background:var(--accent-soft);border-radius:100px;padding:.24rem .62rem}
.card.feature{grid-column:1/-1;background:var(--surface-2)}
@media(min-width:900px){.card.feature{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;
  align-items:center;padding:2rem 2.1rem}.card.feature h3{font-size:1.75rem;margin-top:.6rem}}
.feature-side{border-left:1px solid var(--line);padding-left:1.6rem}
@media(max-width:899px){.feature-side{border-left:0;padding-left:0;border-top:1px solid var(--line);
  padding-top:1.1rem;margin-top:.4rem}}
.feature-side dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);font-weight:700}
.feature-side dd{margin:.15rem 0 .95rem;font-size:.95rem;color:var(--ink-2)}
.feature-side dd:last-child{margin-bottom:0}

/* status badges */
.badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.73rem;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;border-radius:100px;padding:.26rem .68rem;white-space:nowrap}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.badge.ok{color:var(--ok);background:var(--ok-soft)}
.badge.warn{color:var(--warn);background:var(--warn-soft)}
.badge.stop{color:var(--stop);background:var(--stop-soft)}
.badge.mute{color:var(--ink-3);background:var(--mute-soft)}

/* breadcrumbs */
.crumbs{font-size:.83rem;color:var(--ink-3);margin:0 0 1rem}
.crumbs a{color:var(--ink-3);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.crumbs span{margin:0 .4rem;opacity:.5}

/* state index */
.state-grid{display:grid;gap:.5rem;grid-template-columns:repeat(auto-fill,minmax(232px,1fr))}
.state-row{display:flex;align-items:center;gap:.7rem;padding:.62rem .8rem;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);text-decoration:none;color:var(--ink);font-size:.92rem}
.state-row:hover{border-color:var(--accent);color:var(--ink)}
.state-row .nm{font-weight:600}
.state-row .rt{margin-left:auto;font-size:.78rem;color:var(--ink-3);font-variant-numeric:tabular-nums}
.dot{width:9px;height:9px;border-radius:50%;flex:none}
.dot.ok{background:var(--ok)} .dot.warn{background:var(--warn)}
.dot.stop{background:var(--stop)} .dot.mute{background:var(--ink-3);opacity:.45}
.legend{display:flex;gap:1.1rem;flex-wrap:wrap;font-size:.83rem;color:var(--ink-3);margin-bottom:1.4rem}
.legend span{display:inline-flex;align-items:center;gap:.4rem}

/* fact box */
.factbox{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.2rem 1.4rem;margin:0 0 2rem}
.factbox dl{display:grid;grid-template-columns:auto 1fr;gap:.5rem 1.4rem;margin:0}
.factbox dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);
  font-weight:700;padding-top:.15rem}
.factbox dd{margin:0;color:var(--ink)}
@media(max-width:560px){.factbox dl{grid-template-columns:1fr;gap:.2rem}
  .factbox dd{margin-bottom:.7rem}}

/* article */
.post-head{padding:3rem 0 1.75rem}
.post-head h1{font-family:var(--serif);font-weight:600;letter-spacing:-.022em;
  font-size:clamp(1.95rem,4.6vw,2.85rem);line-height:1.14;margin:.75rem 0 .9rem}
.post-head .dek{font-size:1.1rem;color:var(--ink-2);margin:0 0 1.2rem}
.post-meta{font-size:.85rem;color:var(--ink-3);display:flex;gap:.55rem;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:1rem}
.prose{padding-bottom:2.5rem}
.prose h2{font-family:var(--serif);font-weight:600;letter-spacing:-.018em;font-size:1.55rem;
  line-height:1.25;margin:2.6rem 0 .85rem;scroll-margin-top:5rem}
.prose h3{font-size:1.12rem;font-weight:700;margin:2rem 0 .6rem;scroll-margin-top:5rem}
.prose p{margin:0 0 1.15rem;color:var(--ink-2)}
.prose li{margin:.4rem 0;color:var(--ink-2)}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1.2rem}
.prose strong{color:var(--ink);font-weight:650}
.prose blockquote{margin:1.6rem 0;padding:.2rem 0 .2rem 1.25rem;border-left:3px solid var(--accent);
  color:var(--ink);font-family:var(--serif);font-size:1.12rem;font-style:italic}
.prose blockquote p{color:var(--ink)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4rem 0}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;
  background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:.1em .35em}
.table-wrap{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:480px}
th,td{text-align:left;padding:.62rem .85rem;border-bottom:1px solid var(--line)}
thead th{background:var(--surface-2);font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;
  color:var(--ink-3);font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
.callout{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:10px;padding:1.1rem 1.25rem;margin:1.7rem 0}
.callout p:last-child{margin-bottom:0}
.callout .label{display:block;font-size:.72rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--accent-ink);margin-bottom:.45rem}
.key-takeaways{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.3rem 1.5rem;margin:0 0 2.2rem}
.key-takeaways .label{font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:.6rem}
.key-takeaways ul{margin:0;padding-left:1.15rem}
.key-takeaways li{margin:.38rem 0;color:var(--ink)}
.sources{border-top:1px solid var(--line);padding:1.75rem 0 0;margin-top:1rem}
.sources h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);
  margin:0 0 .7rem;font-family:var(--sans);font-weight:700}
.sources ol{margin:0;padding-left:1.2rem;font-size:.88rem;color:var(--ink-3)}
.sources li{margin:.3rem 0}
.next{border-top:1px solid var(--line);margin-top:2.5rem;padding-top:2rem}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:10px;background:var(--surface);
  padding:.85rem 1.1rem;margin:.6rem 0}
.faq summary{cursor:pointer;font-weight:650;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--accent);font-weight:700;margin-right:.6rem}
.faq details[open] summary::before{content:"\2212"}
.faq details[open] summary{margin-bottom:.6rem}
.faq p{margin:0;color:var(--ink-2);font-size:.95rem}

/* calculator */
.calc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;margin:1.5rem 0}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem 1.4rem}
@media(max-width:620px){.calc-row{grid-template-columns:1fr}}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.78rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.07em;color:var(--ink-3);margin-bottom:.35rem}
.field select,.field input{width:100%;padding:.55rem .7rem;font:inherit;font-size:.95rem;
  color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
.field select:focus,.field input:focus{outline:2px solid var(--accent);outline-offset:1px}
.field .hint{font-size:.78rem;color:var(--ink-3);margin-top:.3rem}
output.result{display:block;background:var(--surface-2);border:1px solid var(--line);
  border-radius:12px;padding:1.3rem 1.4rem;margin-top:1.2rem}
.res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.2rem}
.res b{display:block;font-family:var(--serif);font-size:1.75rem;line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
.res span{font-size:.8rem;color:var(--ink-3)}
.verdict{margin-top:1.1rem;padding-top:1.1rem;border-top:1px solid var(--line);
  font-size:.95rem;color:var(--ink-2)}

/* figures */
.fig{margin:2rem 0;padding:0}
.fig svg{width:100%;height:auto;display:block;overflow:visible}
.fig figcaption{font-size:.86rem;color:var(--ink-3);margin-top:.7rem;line-height:1.55}
.fig a{text-decoration:none}
.wrap>.fig,.narrow>.fig{margin-block:2.4rem}
.fig.usmap{margin-block:1.5rem}
@media(max-width:620px){.fig figcaption{font-size:.82rem}}

/* products */
.prod-head{display:flex;gap:1rem;align-items:flex-start;flex-wrap:wrap;margin-bottom:1.2rem}
.price{font-family:var(--serif);font-size:1.6rem;letter-spacing:-.02em;margin-left:auto;white-space:nowrap}
.price small{display:block;font-family:var(--sans);font-size:.74rem;color:var(--ink-3);text-align:right}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin:1.5rem 0}
@media(max-width:620px){.pc{grid-template-columns:1fr}}
.pc ul{margin:.4rem 0 0;padding-left:1.2rem}
.pc h4{margin:0;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.pc .pros h4{color:var(--ok)} .pc .cons h4{color:var(--stop)}

.disclaimer{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:1.5rem 0;font-size:.86rem;color:var(--ink-3)}
.site-foot{padding:2.5rem 0 3rem;border-top:1px solid var(--line);margin-top:3rem;
  font-size:.87rem;color:var(--ink-3)}
.foot-in{display:flex;gap:1.5rem;flex-wrap:wrap;align-items:center}
.foot-in nav{margin-left:auto;display:flex;gap:1.1rem;flex-wrap:wrap}
.site-foot a{color:var(--ink-2);text-decoration:none}
.site-foot a:hover{color:var(--accent)}
.backlink{font-size:.85rem;color:var(--ink-3);text-decoration:none;display:inline-block}
.backlink:hover{color:var(--accent)}

@media(max-width:760px){
  body{font-size:16px}
  .head-in{flex-wrap:wrap;gap:.5rem;padding:.7rem 0 .55rem}
  .brand{font-size:1rem}
  .theme-btn{margin-left:auto;width:32px;height:32px}
  .nav{order:3;width:100%;margin-left:0;flex-wrap:nowrap;gap:1.15rem;overflow-x:auto;
    padding-bottom:.15rem;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space:nowrap;font-size:.88rem}
  .hero{padding:2.5rem 0 2rem}
  .hero-stats{gap:1.35rem 2rem;margin-top:1.9rem}
  .stat b{font-size:1.6rem}
  .post-head{padding:2rem 0 1.4rem}
}