:root{
  --void:#060A14;
  --night:#0C1424;
  --night-2:#0F1930;
  --lantern:#E2AA57;
  --lantern-deep:#CF9443;
  --starlight:#EFE8D8;
  --slate:#8B9AB5;
  --line:rgba(239,232,216,.14);
  --max:820px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--void);color:var(--starlight);
  font-family:'Karla',sans-serif;font-size:1.05rem;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--lantern)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.mono{font-family:'Space Mono',monospace;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.amber{color:var(--lantern)}
nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;
  background:linear-gradient(to bottom, rgba(6,10,20,.9), rgba(6,10,20,0));
  backdrop-filter:blur(2px);
}
.brand{font-family:'Fraunces',serif;font-size:1.15rem;letter-spacing:.02em;text-decoration:none;color:var(--starlight)}
.brand span{color:var(--lantern)}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-link{font-family:'Space Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--starlight);text-decoration:none}
.nav-link:hover{color:var(--lantern)}
.nav-book{
  font-family:'Space Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--void);background:var(--lantern);text-decoration:none;
  padding:10px 18px;border-radius:999px;font-weight:700;
}
.nav-book:hover{background:var(--lantern-deep)}
.guide-hero{padding:130px 0 34px;background:radial-gradient(ellipse at 50% -20%, var(--night-2), var(--void) 70%)}
.crumbs{margin-bottom:22px}
.crumbs a{color:var(--slate);text-decoration:none}
.crumbs a:hover{color:var(--lantern)}
.crumbs span{color:var(--starlight)}
.eyebrow{display:block;margin-bottom:14px}
h1{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2rem,5vw,3rem);line-height:1.15;margin-bottom:18px}
.lede{color:var(--slate);font-size:1.15rem;max-width:62ch}
.meta{margin-top:20px}
.guide-figure{max-width:1120px;margin:0 auto;padding:0 22px}
.guide-figure img{width:100%;height:min(52vh,460px);object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.guide-body{padding:44px 22px 20px}
.guide-body h2{font-family:'Fraunces',serif;font-weight:500;font-size:1.55rem;line-height:1.3;margin:44px 0 14px}
.guide-body h3{font-family:'Fraunces',serif;font-weight:500;font-size:1.18rem;margin:28px 0 10px}
.guide-body p{margin-bottom:16px;color:#D9D3C4}
.guide-body ul,.guide-body ol{margin:0 0 18px 22px;color:#D9D3C4}
.guide-body li{margin-bottom:8px}
.guide-body strong{color:var(--starlight)}
.factbox{
  background:var(--night);border:1px solid var(--line);border-radius:14px;
  padding:22px 24px;margin:26px 0;
}
.factbox .mono{display:block;margin-bottom:10px}
.factbox p,.factbox li{font-size:.98rem}
.factbox ul{margin-bottom:0}
table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.95rem}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{font-family:'Space Mono',monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--lantern);background:var(--night)}
td{color:#D9D3C4}
.faq-wrap{margin-top:54px;border-top:1px solid var(--line);padding-top:34px}
.faq{border:1px solid var(--line);border-radius:12px;background:var(--night);margin-bottom:12px}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;color:var(--starlight);
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--lantern);font-family:'Space Mono',monospace;font-size:1rem;flex-shrink:0}
.faq[open] summary::after{content:"\2212"}
.faq-a{padding:0 20px 16px}
.faq-a p{color:var(--slate);margin:0}
.cta{
  margin:54px 0 10px;text-align:center;
  background:linear-gradient(180deg,var(--night-2),var(--night));
  border:1px solid var(--line);border-radius:18px;padding:44px 28px;
}
.cta h2{font-family:'Fraunces',serif;font-weight:500;font-size:1.8rem;margin:10px 0 12px}
.cta p{color:var(--slate);max-width:60ch;margin:0 auto 24px}
.cta .nav-book{display:inline-block}
.related{margin:54px 0 60px}
.related h2{font-family:'Fraunces',serif;font-weight:500;font-size:1.55rem;margin-bottom:20px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.rel-card{
  display:block;background:var(--night);border:1px solid var(--line);border-radius:14px;
  padding:20px;text-decoration:none;transition:border-color .2s ease, transform .2s ease;
}
.rel-card:hover{border-color:var(--lantern);transform:translateY(-2px)}
.rel-card .mono{display:block;margin-bottom:8px}
.rel-card strong{display:block;color:var(--starlight);font-size:1.02rem;line-height:1.35;margin-bottom:8px}
.rel-card p{color:var(--slate);font-size:.86rem;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
footer{border-top:1px solid var(--line);margin-top:20px;background:var(--night)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px;padding-top:40px;padding-bottom:44px}
.foot .brand{display:block;margin-bottom:10px}
.foot .mono{text-transform:none;letter-spacing:.06em;line-height:1.7}
.foot-links{display:flex;flex-direction:column;gap:8px}
.foot-links .mono{margin-bottom:6px}
.foot-links a{color:var(--slate);text-decoration:none;font-size:.92rem}
.foot-links a:hover{color:var(--lantern)}
/* guides index */
.guides-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:36px 0 60px}
:focus-visible{outline:2px solid var(--lantern);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .rel-card{transition:none}
}
@media (max-width:760px){
  .foot{grid-template-columns:1fr 1fr}
  .nav-right{gap:12px}
  .nav-book{padding:9px 13px}
  .guide-hero{padding-top:110px}
}