/* Zenigo website. Colours follow the app and the logo: night-sky navy, telescope amber, target coral. */
:root {
  --night: #0c1124;
  --deep: #06080f;
  --line: #232b45;
  --star: #eef1f6;
  --mist: #98a3b8;
  --amber: #f0a845;
  --coral: #ff6a5c;
  --sky: #9fb4ff;
  --ui: "Saira Semi Condensed", "Arial Narrow", system-ui, sans-serif;
  --num: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--deep); }
body {
  margin: 0; color: var(--star); font: 400 18px/1.55 var(--ui);
  background: linear-gradient(180deg, var(--night) 0, var(--deep) 900px) no-repeat, var(--deep);
  -webkit-text-size-adjust: 100%;
}
a { color: var(--amber); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-inline: 24px; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; padding-block: 22px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--star); text-decoration: none; font-weight: 600; font-size: 24px; letter-spacing: .2px; }
.brand img { width: 40px; height: 40px; border-radius: 11px; display: block; }
.brand span span { color: var(--amber); }
.open { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 99px; font-weight: 600; font-size: 17px;
  text-decoration: none; background: var(--amber); color: #1b1206; }
.open:hover { background: #f6b964; }
.open.ghost { background: none; color: var(--star); border: 1px solid var(--line); }
.open.ghost:hover { border-color: var(--mist); }

/* hero: the chart is the picture */
.hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: center; padding-top: 40px; padding-bottom: 72px; }
h1 { font-weight: 700; font-size: clamp(42px, 6vw, 72px); line-height: .98; letter-spacing: -.5px; margin: 0 0 22px; text-wrap: balance; }
.lead { font-size: 20px; color: #c9d0dc; max-width: 32em; margin: 0 0 30px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.note-small { color: var(--mist); font-size: 15px; margin-top: 16px; }
.chart { position: relative; margin: 0; }
.chart .sky { padding-top: 0; }
.sky { width: 100%; height: auto; display: block; border-radius: 22px; background: radial-gradient(120% 90% at 55% 40%, #121a36 0, #070a14 75%); border: 1px solid var(--line); }
.sky .cl { fill: none; stroke: var(--sky); stroke-opacity: .45; stroke-width: 2; }
.sky .st circle { fill: #e7ecff; }
.sky .st .f { fill-opacity: .6; }
.sky .nm text { fill: var(--star); fill-opacity: .85; font: 500 26px var(--ui); }
.sky .dso circle { fill: none; stroke: var(--amber); stroke-width: 2.4; stroke-dasharray: 5 5; }
.sky .dso text { fill: var(--amber); font: 500 24px var(--ui); }
.sky .tg circle, .sky .tg path { fill: none; stroke: var(--coral); stroke-width: 4.5; }
.sky .tg .hd { fill: var(--coral); stroke: none; }
.sky .tg text { fill: var(--coral); font: 700 32px var(--ui); }
.sky .cr circle, .sky .cr path { fill: none; stroke: var(--amber); stroke-width: 4.5; stroke-linecap: round; }
.hud { position: absolute; top: 16px; left: 16px; right: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; pointer-events: none; }
.cell { display: flex; align-items: center; gap: 10px; padding: 9px 14px; border-radius: 12px; background: rgba(9, 12, 22, .82); border: 1px solid var(--line); backdrop-filter: blur(4px); }
.cell svg { width: 30px; height: 30px; color: var(--amber); flex: none; }
.cell b { display: block; font: 500 clamp(18px, 2.4vw, 26px)/1 var(--num); font-variant-numeric: tabular-nums; }
.cell small { color: var(--mist); font-size: 14px; }
.caption { color: var(--mist); font-size: 14px; margin-top: 10px; }

/* sections */
section { padding: 64px 0; border-top: 1px solid var(--line); }
h2 { font-weight: 700; font-size: clamp(30px, 3.6vw, 42px); line-height: 1.08; margin: 0 0 28px; letter-spacing: -.2px; }
h3 { font-weight: 600; font-size: 22px; line-height: 1.2; margin: 0 0 6px; }
p { margin: 0 0 14px; }
.muted { color: var(--mist); }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding-top: 64px; }
.steps li::before { content: counter(s); position: absolute; top: 0; left: 0; font: 700 56px/1 var(--ui); color: var(--amber); }
.steps p { color: #c3cad6; }
.more { margin: 34px 0 0; color: var(--mist); }

.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 56px; margin: 0; }
.features dt { font-weight: 600; font-size: 21px; display: flex; gap: 12px; align-items: center; }
.features dt svg { width: 26px; height: 26px; color: var(--amber); flex: none; }
.features dd { margin: 6px 0 0 38px; color: #c3cad6; }

.sun { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start; border: 1px solid rgba(255, 106, 92, .45); border-radius: 18px; padding: 24px 26px; background: rgba(255, 106, 92, .06); }
.sun svg { width: 40px; height: 40px; color: var(--coral); }
.sun h2 { font-size: 26px; margin-bottom: 8px; }
.sun p:last-child { margin: 0; }

.install { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; }
.install ol { margin: 0; padding-left: 22px; color: #c3cad6; }
.install li { margin-bottom: 8px; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 30px 0 44px; color: var(--mist); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--star); text-decoration: none; }
footer a:hover { color: var(--amber); }

/* header navigation */
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav > a:not(.open) { color: var(--star); text-decoration: none; font-weight: 500; }
.topnav > a:not(.open):hover { color: var(--amber); }

/* documentation pages: getting started, help */
.doc { max-width: 720px; padding: 30px 0 80px; min-width: 0; }
.doc h1 { font-size: clamp(38px, 5vw, 56px); line-height: 1; margin: 0 0 14px; }
.doc .intro { font-size: 20px; color: #c9d0dc; margin-bottom: 34px; }
.doc h2 { font-size: 28px; margin: 52px 0 14px; scroll-margin-top: 20px; }
.doc p, .doc li, .doc dd { color: #ccd3de; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-bottom: 6px; }
.doc b { color: var(--star); font-weight: 600; }
.c-amber { color: var(--amber); } .c-coral { color: var(--coral); }
.tip { border-left: 3px solid var(--amber); padding: 4px 0 4px 16px; color: var(--mist) !important; }
.warnbox { border: 1px solid rgba(255, 106, 92, .5); background: rgba(255, 106, 92, .07); border-radius: 14px; padding: 16px 20px; margin-bottom: 16px; }
.warnbox p { margin: 0; color: var(--star); }

/* numbered guide: the steps really are a sequence */
.guide { list-style: none; padding: 0 !important; margin: 0; counter-reset: g; }
.guide > li { counter-increment: g; position: relative; padding: 0 0 22px 64px; margin: 0 0 22px; border-bottom: 1px solid var(--line); }
.guide > li::before { content: counter(g); position: absolute; left: 0; top: -6px; font: 700 48px/1 var(--ui); color: var(--amber); }
.guide > li h2 { margin: 0 0 10px; font-size: 26px; }
.guide .sub { padding-left: 22px; }
.after h2 { margin-top: 40px; }
.check { list-style: none; padding: 0 !important; }
.check li { position: relative; padding-left: 30px; }
.check li::before { content: ""; position: absolute; left: 2px; top: .35em; width: 14px; height: 14px; border: 2px solid var(--amber); border-radius: 4px; }

/* reference lists in the help */
.ref { margin: 0; }
.ref dt { font-weight: 600; font-size: 19px; color: var(--star); margin-top: 18px; display: flex; align-items: center; gap: 10px; scroll-margin-top: 20px; }
.ref dd { margin: 4px 0 0; }
.ref.icons dt svg { width: 22px; height: 22px; color: var(--amber); flex: none; }
.ref.icons dd { margin-left: 32px; }
.trouble dt { color: var(--amber); }

.docwrap { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; align-items: start; }
.toc { position: sticky; top: 20px; display: grid; gap: 2px; padding: 34px 0; }
.toc a { color: var(--mist); text-decoration: none; padding: 5px 0 5px 12px; border-left: 2px solid var(--line); font-size: 16px; }
.toc a:hover { color: var(--star); border-left-color: var(--amber); }

/* legal pages */
.legal { max-width: 720px; padding: 30px 0 70px; }
.legal h1 { font-size: clamp(36px, 5vw, 52px); margin-bottom: 10px; }
.legal h2 { font-size: 26px; margin: 42px 0 12px; }
.legal h3 { font-size: 19px; margin: 26px 0 6px; }
.legal p, .legal li { color: #ccd3de; font-size: 17px; }
.legal ul { padding-left: 22px; }
.legal address { font-style: normal; color: var(--star); line-height: 1.6; }
.stamp { color: var(--mist); font-size: 15px; }

@media (max-width: 860px) {
  .docwrap { grid-template-columns: 1fr; gap: 0; }
  .toc { position: static; grid-template-columns: 1fr 1fr; gap: 0 16px; padding: 20px 0 0; }
  .topnav > a:not(.open) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 30px; padding-top: 16px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .steps li { padding: 0 0 0 58px; }
  .steps li::before { font-size: 44px; }
  .features, .install { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
}
@media (max-width: 520px) {
  .guide > li { padding-left: 46px; }
  .guide > li::before { font-size: 38px; }
  body { font-size: 17px; }
  .wrap { padding-inline: 16px; }
  .top .open { padding: 8px 14px; font-size: 16px; }
  .hud { top: 10px; left: 10px; right: 10px; gap: 6px; }
  .cell { padding: 6px 9px; gap: 7px; }
  .cell svg { width: 22px; height: 22px; }
  .cell small { font-size: 12px; }
  .sun { grid-template-columns: 1fr; }
}

/* links to other websites are marked */
.doc a[href^="http"]::after, .legal a[href^="http"]::after, footer a[href^="http"]::after {
  content: ""; display: inline-block; width: .72em; height: .72em; margin-left: .22em; vertical-align: .02em; background: currentColor;
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M14 4h6v6M20 4l-9 9M18 14v5H5V6h5"/></svg>') center / contain no-repeat;
          mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"><path d="M14 4h6v6M20 4l-9 9M18 14v5H5V6h5"/></svg>') center / contain no-repeat;
}