@import url('/css/styles.css');

/* ============================================================
   ZENITH SUITE — user guide
   Extends the site tokens. Same black, same one light (#E8E8E6),
   same burnt gold for zenith gold. Adds: sticky sidebar, spec tables,
   glyph legend, step lists, callouts.
   ============================================================ */

:root {
  --zg-nav-w: 292px;
  --zg-head-h: 66px;
}

/* the guide never wants the animated canvas behind long text */
#zx-sky { display: none; }

body.zg-body { background: var(--zx-black); }

/* ---------- top bar ---------- */

.zg-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  height: var(--zg-head-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 0 clamp(16px, 3vw, 30px);
  background: rgba(0, 0, 0, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--zx-line-soft);
}
.zg-topbar .zx-brand { gap: 11px; }
.zg-topbar .zx-mark { width: 22px; height: 22px; }
.zg-topbar .zx-wordmark { font-size: 13px; letter-spacing: .38em; }
.zg-crumb {
  font: 300 11.5px/1 var(--zx-mono);
  letter-spacing: .18em; color: var(--zx-t-40);
  white-space: nowrap;
}
.zg-crumb::before { content: '·'; margin-right: 11px; opacity: .5; }
.zg-topbar-right { display: flex; align-items: center; gap: 12px; }
.zg-topbar-right .zx-bracket { padding: 8px 13px; font-size: 11.5px; }

.zg-navtoggle {
  display: none;
  font: 300 12px/1 var(--zx-mono);
  letter-spacing: .1em; color: var(--zx-t-85);
  background: none; border: 1px solid rgba(232, 232, 230, .28);
  border-radius: 2px; padding: 9px 13px; cursor: pointer;
}

/* ---------- layout ---------- */

.zg-shell {
  display: grid;
  grid-template-columns: var(--zg-nav-w) minmax(0, 1fr);
  gap: 0;
  max-width: 1500px; margin: 0 auto;
  padding-top: var(--zg-head-h);
}

/* ---------- sidebar ---------- */

.zg-nav {
  position: sticky; top: var(--zg-head-h);
  align-self: start;
  height: calc(100vh - var(--zg-head-h));
  overflow-y: auto; overscroll-behavior: contain;
  border-right: 1px solid var(--zx-line-soft);
  padding: 26px 20px 80px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(232, 232, 230, .18) transparent;
}
.zg-nav::-webkit-scrollbar { width: 6px; }
.zg-nav::-webkit-scrollbar-thumb { background: rgba(232, 232, 230, .16); }

.zg-search {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(232, 232, 230, .18);
  border-radius: 2px; padding: 11px 13px;
  color: #E8E8E6;
  font: 300 12.5px/1 var(--zx-mono);
  letter-spacing: .05em; outline: none;
  margin-bottom: 24px;
}
.zg-search::placeholder { color: var(--zx-t-30); }
.zg-search:focus { border-color: rgba(232, 232, 230, .5); }

.zg-nav-empty {
  font: 300 12px/1.6 var(--zx-mono);
  color: var(--zx-t-32); padding: 4px 2px;
}

.zg-nav-group { margin-bottom: 22px; }
.zg-nav-group > .zg-nav-label {
  font: 300 10.5px/1 var(--zx-mono);
  letter-spacing: .26em; color: var(--zx-t-32);
  text-transform: uppercase;
  padding: 0 2px 10px;
}
.zg-nav a {
  display: block;
  font: 300 13.5px/1.35 var(--zx-sans);
  color: var(--zx-t-50);
  padding: 7px 12px 7px 13px;
  border-left: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.zg-nav a:hover { color: #E8E8E6; border-left-color: rgba(232, 232, 230, .3); }
.zg-nav a.zg-active {
  color: #E8E8E6;
  border-left-color: var(--zx-accent);
}
.zg-nav a .zg-num {
  font: 300 11px/1 var(--zx-mono);
  color: var(--zx-t-26); margin-right: 9px;
}
.zg-nav a.zg-active .zg-num { color: var(--zx-t-50); }
.zg-nav a.zg-sub { padding-left: 30px; font-size: 12.5px; color: var(--zx-t-38); }

/* ---------- content ---------- */

.zg-main {
  min-width: 0;
  padding: clamp(30px, 5vw, 62px) clamp(20px, 4vw, 64px) 160px;
}
.zg-doc { max-width: 830px; }

.zg-hero { margin-bottom: 68px; }
.zg-hero .zx-eyebrow { margin-bottom: 22px; }
.zg-hero h1 {
  font: 100 clamp(38px, 6.4vw, 72px)/1 var(--zx-sans);
  letter-spacing: -.03em; margin: 0 0 22px; color: #E8E8E6;
  text-shadow: 0 0 40px rgba(232, 232, 230, .12);
}
.zg-hero p {
  font: 300 clamp(15.5px, 1.8vw, 18px)/1.65 var(--zx-sans);
  color: var(--zx-t-60); max-width: 60ch; margin: 0 0 14px;
}
.zg-meta {
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  font: 300 11.5px/1.8 var(--zx-mono);
  letter-spacing: .08em; color: var(--zx-t-38);
  margin-top: 30px; padding-top: 22px;
  border-top: 1px solid var(--zx-line-soft);
}

.zg-sec {
  padding-top: 54px; margin-top: 54px;
  border-top: 1px solid var(--zx-line-soft);
  scroll-margin-top: calc(var(--zg-head-h) + 22px);
}
.zg-sec:first-of-type { border-top: none; }

.zg-sec > h2 {
  font: 200 clamp(26px, 3.6vw, 40px)/1.1 var(--zx-sans);
  letter-spacing: -.02em; margin: 0 0 8px; color: #E8E8E6;
}
.zg-sec-num {
  font: 300 11.5px/1 var(--zx-mono);
  letter-spacing: .26em; color: var(--zx-t-32);
  display: block; margin-bottom: 16px;
}
.zg-sec > h2 + .zg-lede,
.zg-sec .zg-lede {
  font: 300 16px/1.65 var(--zx-sans);
  color: var(--zx-t-60); margin: 0 0 30px; max-width: 68ch;
}

.zg-sec h3 {
  font: 300 20px/1.3 var(--zx-sans);
  color: #E8E8E6; margin: 46px 0 12px;
  scroll-margin-top: calc(var(--zg-head-h) + 22px);
}
.zg-sec h4 {
  font: 400 13px/1.4 var(--zx-mono);
  letter-spacing: .12em; color: var(--zx-t-72);
  margin: 30px 0 10px;
}
.zg-sec p, .zg-sec li {
  font: 300 15px/1.72 var(--zx-sans);
  color: var(--zx-t-62);
}
.zg-sec p { margin: 0 0 16px; max-width: 72ch; }
.zg-sec ul, .zg-sec ol { max-width: 72ch; padding-left: 20px; margin: 0 0 18px; }
.zg-sec li { margin-bottom: 9px; }
.zg-sec li::marker { color: var(--zx-t-30); }
.zg-sec strong { color: #E8E8E6; font-weight: 400; }
.zg-sec em { color: var(--zx-t-72); font-style: normal; }

.zg-anchor {
  margin-left: 12px; opacity: 0;
  font: 300 14px/1 var(--zx-mono); color: var(--zx-t-30);
  transition: opacity .2s;
}
h2:hover .zg-anchor, h3:hover .zg-anchor { opacity: 1; }

/* inline glyph / key / value chips */
.zg-k {
  font: 400 .92em/1.4 var(--zx-mono);
  color: #E8E8E6;
  background: rgba(232, 232, 230, .07);
  border: 1px solid var(--zx-line-soft);
  border-radius: 2px; padding: 1px 6px;
  white-space: nowrap;
}
.zg-g {
  font-size: 1.06em; color: var(--zx-accent);
  padding: 0 2px;
}
.zg-pro {
  font: 400 10px/1 var(--zx-mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--zx-gold);
  border: 1px solid rgba(200, 145, 46, .45);
  border-radius: 100px; padding: 4px 8px;
  vertical-align: middle; margin-left: 8px;
  white-space: nowrap;
}
.zg-free {
  font: 400 10px/1 var(--zx-mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--zx-t-50);
  border: 1px solid var(--zx-line-card);
  border-radius: 100px; padding: 4px 8px;
  vertical-align: middle; margin-left: 8px;
}

/* ---------- tables ---------- */

.zg-tablewrap {
  overflow-x: auto;
  margin: 0 0 26px;
  border: 1px solid var(--zx-line-soft);
  border-radius: 3px;
  scrollbar-width: thin;
}
.zg-table {
  width: 100%; border-collapse: collapse;
  font: 300 13.5px/1.55 var(--zx-sans);
  min-width: 520px;
}
.zg-table caption {
  text-align: left;
  font: 300 11.5px/1.5 var(--zx-mono);
  letter-spacing: .14em; color: var(--zx-t-38);
  padding: 13px 16px; border-bottom: 1px solid var(--zx-line-soft);
}
.zg-table th {
  text-align: left; font-weight: 400;
  font: 400 11px/1.4 var(--zx-mono);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--zx-t-42);
  padding: 12px 16px;
  border-bottom: 1px solid var(--zx-line);
  white-space: nowrap;
  background: rgba(232, 232, 230, .012);
}
.zg-table td {
  padding: 12px 16px;
  color: var(--zx-t-60);
  border-bottom: 1px solid var(--zx-line-soft);
  vertical-align: top;
}
.zg-table tr:last-child td { border-bottom: none; }
.zg-table tbody tr:hover td { background: rgba(232, 232, 230, .018); }
.zg-table td:first-child { color: var(--zx-t-85); }
.zg-table .zg-mono {
  font: 300 12.5px/1.5 var(--zx-mono);
  letter-spacing: .02em; color: var(--zx-t-72);
  white-space: nowrap;
}
.zg-table .zg-def { color: var(--zx-t-50); }

/* ---------- steps ---------- */

.zg-steps { counter-reset: zg-step; list-style: none; padding: 0; margin: 0 0 26px; }
.zg-steps > li {
  counter-increment: zg-step;
  position: relative;
  padding: 0 0 20px 46px;
  margin: 0;
  border-left: 1px solid var(--zx-line-soft);
}
.zg-steps > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.zg-steps > li::before {
  content: counter(zg-step, decimal-leading-zero);
  position: absolute; left: -13px; top: -2px;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font: 300 10.5px/1 var(--zx-mono);
  color: var(--zx-t-50);
  background: var(--zx-black);
  border: 1px solid var(--zx-line-card);
  border-radius: 50%;
}
.zg-steps > li > strong { display: block; margin-bottom: 5px; }

/* ---------- callouts ---------- */

.zg-note {
  border-left: 1px solid rgba(232, 232, 230, .22);
  padding: 4px 0 4px 22px;
  margin: 0 0 26px;
  max-width: 72ch;
}
.zg-note p { margin: 0 0 10px; color: var(--zx-t-55); font-size: 14.5px; }
.zg-note p:last-child { margin: 0; }
.zg-note-label {
  display: block;
  font: 400 10.5px/1 var(--zx-mono);
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--zx-t-40); margin-bottom: 10px;
}
.zg-note--warn { border-left-color: rgba(242, 198, 198, .5); }
.zg-note--warn .zg-note-label { color: rgba(242, 198, 198, .8); }
.zg-note--pro { border-left-color: rgba(200, 145, 46, .5); }
.zg-note--pro .zg-note-label { color: var(--zx-gold); }

/* say-this blocks — the exact words to give a user */
.zg-say {
  border: 1px solid var(--zx-line-card); border-radius: 3px;
  padding: 20px 22px; margin: 0 0 16px;
  background: linear-gradient(180deg, rgba(232, 232, 230, .015), transparent);
}
.zg-say-q {
  font: 300 13px/1.5 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-t-50);
  margin: 0 0 12px;
}
.zg-say-q::before { content: '? '; color: var(--zx-t-30); }
.zg-say-a { margin: 0; color: var(--zx-t-72); font-size: 14.5px; line-height: 1.7; }
.zg-say-a strong { color: #E8E8E6; }

/* glyph legend */
.zg-glyphs {
  display: grid; gap: 1px;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  background: var(--zx-line-soft);
  border: 1px solid var(--zx-line-soft);
  margin: 0 0 26px; list-style: none; padding: 0;
}
.zg-glyphs li {
  background: var(--zx-black);
  padding: 18px 20px; margin: 0;
  display: flex; align-items: baseline; gap: 14px;
}
.zg-glyphs .zg-glyph {
  font-size: 19px; color: var(--zx-accent);
  min-width: 22px; text-align: center;
  text-shadow: 0 0 12px rgba(232, 232, 230, .4);
}
.zg-glyphs .zg-glyph-name {
  font: 300 13px/1.5 var(--zx-sans); color: var(--zx-t-60);
}
.zg-glyphs .zg-glyph-name b {
  display: block; color: #E8E8E6; font-weight: 400;
  font-size: 13.5px; margin-bottom: 2px;
}

/* screen map — the sky's furniture, drawn */
.zg-map {
  border: 1px solid var(--zx-line-card); border-radius: 4px;
  padding: 26px; margin: 0 0 26px;
  display: flex; flex-wrap: wrap; gap: 34px; align-items: center;
}
.zg-map svg { flex: none; }
.zg-map-key {
  font: 300 13px/1.9 var(--zx-mono);
  letter-spacing: .03em; color: var(--zx-t-50);
  min-width: 210px;
}
.zg-map-key b { color: #E8E8E6; font-weight: 400; }

/* two-column facts */
.zg-facts {
  display: grid; gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  background: var(--zx-line-soft);
  border: 1px solid var(--zx-line-soft);
  margin: 0 0 26px;
}
.zg-facts > div { background: var(--zx-black); padding: 22px 24px; }
.zg-facts h3,
.zg-facts h4 {
  font: 400 13px/1.4 var(--zx-mono);
  letter-spacing: .12em; color: var(--zx-t-72);
  margin: 0 0 8px;
}
.zg-facts p { margin: 0; font-size: 14px; color: var(--zx-t-52); }

/* footer */
.zg-foot {
  margin-top: 90px; padding-top: 34px;
  border-top: 1px solid var(--zx-line);
  font: 300 12px/1.9 var(--zx-mono);
  letter-spacing: .05em; color: var(--zx-t-38);
  display: flex; flex-wrap: wrap; gap: 6px 16px;
}
.zg-foot .zx-sep { opacity: .4; }

/* back to top */
.zg-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 30;
  font: 300 12px/1 var(--zx-mono);
  letter-spacing: .1em; color: var(--zx-t-60);
  background: rgba(6, 6, 8, .85);
  border: 1px solid var(--zx-line-card);
  border-radius: 2px; padding: 11px 14px;
  cursor: pointer; opacity: 0; pointer-events: none;
  transition: opacity .3s, color .3s, border-color .3s;
  backdrop-filter: blur(6px);
}
.zg-top.zg-show { opacity: 1; pointer-events: auto; }
.zg-top:hover { color: #E8E8E6; border-color: rgba(232, 232, 230, .4); }

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .zg-navtoggle { display: block; }
  .zg-crumb { display: none; }
  .zg-shell { grid-template-columns: minmax(0, 1fr); }
  .zg-nav {
    position: fixed; top: var(--zg-head-h); left: 0;
    width: min(340px, 88vw); height: calc(100vh - var(--zg-head-h));
    background: rgba(0, 0, 0, .97);
    border-right: 1px solid var(--zx-line);
    padding: 24px 18px 90px;
    z-index: 39;
    /* Closed: pushed off-canvas AND made inert, so a closed drawer can never
       sit over the manual even if the transform is ignored. */
    transform: translateX(-102%);
    visibility: hidden;
    /* visible immediately on open; inert only once it has finished sliding out */
    transition: transform .32s var(--zx-ease), visibility 0s linear .32s;
  }
  .zg-nav.zg-open {
    transform: none;
    visibility: visible;
    transition: transform .32s var(--zx-ease), visibility 0s;
  }
  .zg-main { padding-inline: clamp(18px, 5vw, 30px); }
}

@media (max-width: 560px) {
  .zg-topbar-right .zx-bracket { display: none; }
  .zg-map { padding: 18px; gap: 22px; }
  .zg-sec > h2 { font-size: 25px; }
}

@media print {
  .zg-topbar, .zg-nav, .zg-top { display: none; }
  .zg-shell { display: block; padding-top: 0; }
  .zg-main { padding: 0; }
  body { background: #fff; color: #000; }
  .zg-sec p, .zg-sec li, .zg-table td { color: #222; }
}