/* Cybirspheres — sticky sidebar directory
   violet #3D2C6B · mint #4FD8B8 · cream #FAF8F4 */

:root{
  --violet:#3D2C6B;
  --violet-deep:#2C1F4E;
  --violet-soft:#6A5A96;
  --violet-line:rgba(61,44,107,.16);
  --violet-wash:#F0ECF6;
  --mint:#4FD8B8;
  --mint-deep:#2A9C80;
  --cream:#FAF8F4;
  --ink:#2A2A2E;
  --ink-mute:#5E5E66;
  --rule:1px solid var(--violet-line);
  --wrap:1180px;
  --pad:24px;
  --barh:66px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--barh) + 16px)}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Instrument Serif",Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:.005em;margin:0}
p{margin:0 0 1.05em}
a{color:var(--violet);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--mint-deep)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}

.skip{position:absolute;left:-9999px;top:0;background:var(--violet);color:#fff;padding:10px 16px;z-index:60}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--mint-deep);outline-offset:3px}

/* ---------- header ---------- */
.bar{
  position:sticky;top:0;z-index:50;
  background:var(--cream);
  border-bottom:var(--rule);
}
.bar-in{
  max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  min-height:var(--barh);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Instrument Serif",Georgia,serif;
  font-size:25px;color:var(--violet);text-decoration:none;letter-spacing:.01em;
}
.logo-mark{
  width:17px;height:17px;border-radius:50%;
  background:var(--violet);
  box-shadow:inset 0 0 0 4px var(--mint);
  flex:none;
}
.nav{display:flex;gap:26px;align-items:center}
.nav a{
  font-size:14.5px;font-weight:500;color:var(--ink-mute);
  text-decoration:none;padding:4px 0;
  border-bottom:2px solid transparent;
}
.nav a:hover{color:var(--violet)}
.nav a.on{color:var(--violet);border-bottom-color:var(--mint)}
.navtoggle{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.burger{display:none}
.navtoggle:focus-visible + .burger{outline:2px solid var(--mint-deep);outline-offset:3px}

/* ---------- home ---------- */
main{display:block}
.hero{
  max-width:var(--wrap);margin:0 auto;padding:56px var(--pad) 0;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,280px);
  gap:40px;align-items:center;
}
.hero-in{max-width:44rem}
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--mint-deep);margin:0 0 14px;
}
.hero h1{font-size:clamp(40px,6.2vw,66px);line-height:1.06;color:var(--violet);margin-bottom:18px}
.lede{font-size:19px;color:var(--ink-mute);margin:0}

.shot{margin:0}
.shot img{
  width:100%;
  height:auto;
  border-radius:4px;
}

/* category head + side hero */
.cat-top{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,240px);
  gap:36px;align-items:center;margin-bottom:8px;
}
.cat-top .cat-head{margin-bottom:0}

.intro{max-width:var(--wrap);margin:0 auto;padding:46px var(--pad) 0}
.intro p{max-width:40rem;font-size:17.5px}
.intro p:last-child{margin-bottom:0}

.cats{max-width:var(--wrap);margin:0 auto;padding:46px var(--pad) 78px}
.cats h2{
  font-size:13px;font-family:"Instrument Sans",sans-serif;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--violet-soft);
  padding-bottom:12px;border-bottom:var(--rule);margin-bottom:6px;
}
.catlist li{border-bottom:var(--rule);padding:19px 0}
.catlist a{
  font-family:"Instrument Serif",Georgia,serif;font-size:27px;
  color:var(--violet);text-decoration:none;display:inline-block;
}
.catlist a:hover{color:var(--mint-deep);text-decoration:underline;text-decoration-color:var(--mint)}
.catlist span{display:block;font-size:15.5px;color:var(--ink-mute);margin-top:3px;max-width:42rem}

/* ---------- category page ---------- */
.catpage{max-width:var(--wrap);margin:0 auto;padding:46px var(--pad) 78px}
.cat-head{max-width:42rem;margin-bottom:8px}
.cat-head h1{font-size:clamp(36px,5.4vw,56px);line-height:1.08;color:var(--violet);margin-bottom:12px}

.split{display:grid;grid-template-columns:250px minmax(0,1fr);gap:56px;margin-top:44px;align-items:start}
.side{position:sticky;top:calc(var(--barh) + 28px)}
.side-in{border-left:3px solid var(--mint);padding-left:18px}
.side-kicker{
  font-size:11px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--violet-soft);margin:0 0 7px;
}
.side-name{
  font-family:"Instrument Serif",Georgia,serif;font-size:26px;line-height:1.15;
  color:var(--violet);margin:0 0 10px;
}
.side-desc{font-size:14.5px;line-height:1.55;color:var(--ink-mute);margin:0 0 14px}
.side-count{
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--mint-deep);
  margin:0 0 18px;padding-top:12px;border-top:var(--rule);
}
.side-back{font-size:14px;font-weight:500;color:var(--violet);text-decoration:none}
.side-back:hover{text-decoration:underline}

.col-intro{
  font-size:17.5px;color:var(--ink-mute);max-width:40rem;
  padding-bottom:30px;border-bottom:var(--rule);
}
.entry{
  border:1px solid var(--violet-line);
  border-radius:5px;
  padding:30px 32px;
  margin-top:26px;
  background:#fff;
}
.entry-loc{
  font-size:11.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--mint-deep);margin:0 0 8px;
}
.entry h2{font-size:clamp(27px,3.4vw,34px);line-height:1.14;color:var(--violet);margin-bottom:15px}
.entry p{max-width:40rem}
.entry p:last-of-type{margin-bottom:0}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.facts li{
  font-size:12.5px;line-height:1.35;color:var(--violet);
  border:1px solid var(--mint);border-radius:999px;
  padding:5px 13px;background:rgba(79,216,184,.07);
}

/* ---------- doc pages ---------- */
.doc{max-width:41rem;margin:0 auto;padding:52px var(--pad) 78px}
.doc h1{font-size:clamp(36px,5.4vw,52px);line-height:1.08;color:var(--violet);margin-bottom:30px}
.blk{padding-top:26px;margin-top:26px;border-top:var(--rule)}
.blk:first-of-type{border-top:0;margin-top:0;padding-top:0}
.blk h2{font-size:24px;color:var(--violet);margin-bottom:12px}

/* ---------- footer ---------- */
.foot{background:var(--violet-deep);color:#D9D3E8;margin-top:0}
.foot-in{
  max-width:var(--wrap);margin:0 auto;padding:52px var(--pad) 40px;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;
}
.foot-name{
  font-family:"Instrument Serif",Georgia,serif;font-size:25px;color:#fff;
  display:block;margin-bottom:11px;
}
.foot-brand p{font-size:14.5px;line-height:1.6;color:#A79CC4;max-width:27rem;margin:0}
.foot-col h2{
  font-family:"Instrument Sans",sans-serif;font-size:11.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--mint);margin:0 0 13px;
}
.foot-col li{margin-bottom:8px}
.foot-col a{font-size:14.5px;color:#D9D3E8;text-decoration:none}
.foot-col a:hover{color:var(--mint)}
.foot-end{border-top:1px solid rgba(255,255,255,.1)}
.foot-end p{
  max-width:var(--wrap);margin:0 auto;padding:20px var(--pad);
  font-size:13px;color:#8E82AE;
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero,.cat-top{grid-template-columns:1fr;gap:28px}
  .hero .shot,.cat-top .shot{max-width:240px}
  .split{grid-template-columns:1fr;gap:30px}
  .side{position:static;top:auto}
  .side-in{
    border-left:0;padding-left:0;
    border-top:3px solid var(--mint);padding-top:16px;
  }
  .side-kicker,.side-name{display:none}
  .side-count{display:inline-block;margin-right:18px}
  .foot-in{grid-template-columns:1fr 1fr;gap:34px}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:720px){
  body{font-size:16.5px}
  :root{--pad:18px}
  .burger{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:40px;height:40px;cursor:pointer;padding:0 8px;
  }
  .burger span{display:block;height:2px;background:var(--violet);border-radius:2px}
  .nav{
    display:none;order:3;width:100%;
    flex-direction:column;align-items:flex-start;gap:0;
    border-top:var(--rule);padding:6px 0 12px;
  }
  .navtoggle:checked ~ .nav{display:flex}
  .nav a{width:100%;padding:11px 0;border-bottom:0;font-size:16px}
  .nav a.on{border-left:3px solid var(--mint);padding-left:11px}
  .bar-in{flex-wrap:wrap;padding-top:10px;padding-bottom:0}
  .bar-in > .logo{padding-bottom:10px}
  .burger{margin-bottom:10px}
  .hero{padding-top:38px}
  .entry{padding:24px 21px}
  .foot-in{grid-template-columns:1fr;gap:28px}
}