/* Caligo guides — readable long-form article styling. Sentence case (no lowercase transform),
   comfortable measure, same palette and fonts as the landing page. */
:root{
  --bg:#080807; --ink:#EDECE8;
  --muted:rgba(237,236,232,.62); --faint:rgba(237,236,232,.34); --line:rgba(237,236,232,.12);
  --card:#0d0c0b; --accentline:rgba(237,236,232,.20);
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:300;
  line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%}
a{color:inherit}

.wrap{width:100%;max-width:46rem;margin-inline:auto;padding-inline:1.5rem}
.mono{font-family:var(--mono);text-transform:lowercase;letter-spacing:.18em;font-size:.72rem;color:var(--faint)}

/* header (matches landing) */
header{position:sticky;top:0;z-index:10;backdrop-filter:blur(8px);
  background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:3.75rem;
  width:100%;max-width:64rem;margin-inline:auto;padding-inline:1.5rem}
.brand{font-size:1.05rem;letter-spacing:-.01em;display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;text-transform:lowercase}
.brand b{font-weight:500}
.brand .mark{width:2.1em;height:2.1em;flex:none;display:block}
nav .links{display:flex;gap:1.5rem;align-items:center}
nav .links a{font-size:.9rem;color:var(--muted);text-decoration:none;text-transform:lowercase}
nav .links a:hover{color:var(--ink)}
.cta{border:1px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-size:.85rem;color:var(--ink)!important}
.cta:hover{background:rgba(237,236,232,.06)}
@media(max-width:560px){nav .links a.nav-hide{display:none}}

/* article */
article{padding:3rem 0 1rem}
.eyebrow{font-family:var(--mono);text-transform:lowercase;letter-spacing:.16em;font-size:.72rem;color:var(--faint);margin-bottom:1rem}
h1{font-weight:300;font-size:clamp(1.9rem,5vw,2.7rem);line-height:1.15;letter-spacing:-.02em;margin-bottom:1rem}
.byline{color:var(--faint);font-size:.85rem;font-family:var(--mono);letter-spacing:.04em;margin-bottom:2rem}
article h2{font-weight:400;font-size:clamp(1.35rem,3.5vw,1.7rem);letter-spacing:-.015em;margin:2.6rem 0 .9rem;line-height:1.25}
article h3{font-weight:500;font-size:1.12rem;margin:1.8rem 0 .6rem}
article p{color:var(--muted);margin-bottom:1.1rem;font-size:1.05rem}
article a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accentline)}
article a:hover{border-bottom-color:var(--ink)}
article strong{color:var(--ink);font-weight:400}
article ul,article ol{color:var(--muted);margin:0 0 1.2rem 1.1rem;font-size:1.05rem}
article li{margin-bottom:.5rem}
.lead{font-size:1.18rem;color:var(--ink);opacity:.9;line-height:1.6;margin-bottom:1.4rem}

/* key takeaways */
.takeaways{border:1px solid var(--line);border-radius:14px;background:var(--card);
  padding:1.4rem 1.5rem;margin:0 0 2.4rem}
.takeaways h2{font-family:var(--mono);text-transform:lowercase;letter-spacing:.14em;font-size:.72rem;
  color:var(--faint);margin:0 0 .8rem;font-weight:400}
.takeaways ul{margin:0 0 0 1.1rem;color:var(--muted)}
.takeaways li{margin-bottom:.5rem;font-size:1rem}

/* stat cards */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.8rem 0 2rem}
@media(max-width:560px){.stats{grid-template-columns:1fr}}
.stat{border:1px solid var(--line);border-radius:12px;padding:1.1rem;background:var(--card)}
.stat .n{font-size:1.7rem;font-weight:200;letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.stat .l{font-size:.82rem;color:var(--muted);margin-top:.4rem;line-height:1.4}
.stat .src{font-size:.68rem;color:var(--faint);margin-top:.5rem;font-family:var(--mono);letter-spacing:.02em}
.stat .src a{border:0;color:var(--faint)}

/* callout */
.callout{border-left:2px solid var(--accentline);background:var(--card);border-radius:0 10px 10px 0;
  padding:1rem 1.3rem;margin:1.6rem 0;font-size:1rem;color:var(--muted)}
.callout strong{color:var(--ink)}

/* table */
.tablewrap{overflow-x:auto;margin:1.6rem 0 2rem}
table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:34rem}
th,td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted)}
th{color:var(--ink);font-weight:400;font-size:.8rem;text-transform:lowercase;letter-spacing:.04em}
td:first-child,th:first-child{color:var(--ink)}

/* faq */
.faq{margin-top:1rem}
.faq details{border-top:1px solid var(--line);padding:1.1rem 0}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;font-size:1.05rem;color:var(--ink);display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--faint)}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin-top:.7rem;font-size:1rem}

/* cta + related */
.ctaband{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:1.8rem 1.6rem;margin:2.8rem 0 1.5rem;text-align:center}
.ctaband h2{margin:0 0 .5rem;font-weight:300}
.ctaband p{margin:0 auto 1.2rem;max-width:34rem}
.btn{display:inline-block;border-radius:999px;padding:.8rem 1.5rem;font-size:.95rem;background:var(--ink);color:#0b0b0a;text-decoration:none;border:1px solid var(--ink)}
.btn:hover{opacity:.9}
.related{margin:2.4rem 0 1rem}
.related h2{font-family:var(--mono);text-transform:lowercase;letter-spacing:.14em;font-size:.72rem;color:var(--faint);font-weight:400;margin-bottom:.8rem}
.related a{display:block;padding:.7rem 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:1rem}
.related a:hover{color:var(--muted)}

/* guides index cards */
.gcard{display:block;border:1px solid var(--line);border-radius:14px;background:var(--card);padding:1.3rem 1.4rem;margin-bottom:1rem;text-decoration:none}
.gcard:hover{border-color:var(--accentline)}
.gcard h3{color:var(--ink);font-weight:400;font-size:1.15rem;margin-bottom:.35rem}
.gcard p{color:var(--muted);font-size:.95rem;margin:0}

footer{border-top:1px solid var(--line);padding:2.5rem 0;margin-top:2rem}
.foot{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;align-items:center}
.foot a{color:var(--muted);font-size:.9rem;margin-right:1.3rem;text-decoration:none;text-transform:lowercase}
.foot a:hover{color:var(--ink)}
.quiet{color:var(--faint);font-size:.8rem}