:root{--paper:#FAF7F2;--paper-deep:#F3EEE5;--ink:#1C1A16;--ink-soft:#5C574D;--ink-faint:#6F695F;--pine:#3D7FC1;--pine-deep:#1F4E7E;--pine-tint:#E2EEF9;--ember:#A94C26;--line:#DDD6C9;--card:#FFFFFF;--display:'Fraunces',Georgia,serif;--body:'Instrument Sans',-apple-system,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
a:focus-visible{outline:3px solid var(--ember);outline-offset:4px;border-radius:2px}
.wrap{width:min(1120px,calc(100% - 56px));margin:0 auto}
.reading{max-width:800px}
header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.top-nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;min-height:44px;align-items:center;gap:10px;font-family:var(--display);font-size:1.25rem;font-weight:600;text-decoration:none}
.brand img{width:30px;height:30px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.92rem;font-weight:500}
.nav-links a{display:inline-flex;min-height:44px;align-items:center;text-decoration:none;color:var(--ink-soft)}
.nav-links a:hover{text-decoration:underline;text-underline-offset:5px}
.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:10px 20px;border-radius:999px;background:var(--pine-deep);color:var(--paper);font-weight:600;text-decoration:none}
.nav-links .btn{color:var(--paper)}
.btn:hover{background:#173E66;text-decoration:none}
.breadcrumbs{padding-top:32px;font-size:.88rem;color:var(--ink-soft)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.breadcrumbs a{display:inline-flex;min-height:44px;align-items:center}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--ink-faint)}
.comparison-hero{padding:54px 0 58px;border-bottom:1px solid var(--line)}
.kicker{display:block;margin-bottom:20px;color:var(--pine-deep);font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3{font-family:var(--display);font-weight:500}
h1{max-width:15ch;font-size:clamp(2.7rem,6vw,4.8rem);line-height:1.02;letter-spacing:-.035em}
.lede{max-width:720px;margin-top:24px;color:var(--ink-soft);font-size:1.18rem}
.review-date{margin-top:18px;color:var(--ink-faint);font-size:.88rem}
main section{padding:76px 0;border-bottom:1px solid var(--line)}
main section:nth-of-type(even){background:var(--paper-deep)}
h2{font-size:clamp(2rem,4vw,3rem);line-height:1.08;letter-spacing:-.025em}
.section-intro{max-width:760px;margin-top:16px;color:var(--ink-soft)}
.short-answer p{max-width:800px;margin-top:18px;font-size:1.06rem}
.dimension-list{margin-top:36px;border-top:1px solid var(--line)}
.dimension{display:grid;grid-template-columns:180px 1fr 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--line)}
.dimension h3{font-size:1.08rem}
.dimension p{color:var(--ink-soft)}
.dimension strong{display:block;margin-bottom:6px;color:var(--ink);font-size:.74rem;letter-spacing:.09em;text-transform:uppercase}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:34px}
.choice-grid h3{font-size:1.45rem}
.choice-grid ul{margin:16px 0 0 1.2rem}
.choice-grid li+li{margin-top:10px}
.limitation{max-width:800px;margin-top:38px;padding:26px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.limitation h3{font-size:1.2rem}
.limitation p{margin-top:8px;color:var(--ink-soft)}
.faq-list,.source-list,.related-list{max-width:850px;margin-top:32px;border-top:1px solid var(--line)}
.faq-list details{padding:20px 0;border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;min-height:44px;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;list-style:none;font-family:var(--display);font-size:1.14rem;font-weight:600}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";flex:0 0 auto;color:var(--pine-deep);font-family:var(--body);font-weight:600}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{max-width:740px;padding-top:12px;color:var(--ink-soft)}
.source-list,.related-list{list-style:none}
.source-list li,.related-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.source-list a{display:inline-flex;min-height:44px;align-items:center;text-underline-offset:4px}
.related-list a{display:inline-flex;min-height:44px;align-items:center;text-underline-offset:4px}
.comparison-cta{background:var(--pine-deep)!important;color:var(--paper)}
.comparison-cta p{max-width:650px;margin:14px 0 24px;color:#DCE9F5}
.comparison-cta .btn{background:var(--paper);color:var(--pine-deep)}
footer{padding:42px 0;color:var(--ink-faint);font-size:.88rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.foot-links{display:flex;flex-wrap:wrap;gap:24px}
.foot-links a{display:inline-flex;min-height:44px;align-items:center}
@media(max-width:700px){
  .wrap{width:min(100% - 36px,1120px)}
  .nav-links a:not(.btn){display:none}
  .comparison-hero{padding:42px 0 46px}
  h1{font-size:clamp(2.4rem,12vw,3.55rem)}
  main section{padding:58px 0}
  .dimension,.choice-grid{grid-template-columns:1fr;gap:14px}
  .choice-grid{gap:34px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}