/* Lagoria docs: the marketing site's palette and type, with a three-column reading layout. */
:root {
  --ink: #0b0f14;
  --raise: #0f1519;
  --surface: #111a21;
  --surface2: #15212a;
  --line: rgba(230, 238, 240, 0.08);
  --line2: rgba(230, 238, 240, 0.14);
  --paper: #e6eef0;
  --muted: #8fa2a8;
  --dim: #5f747a;
  --cyan: #4cc3d6;
  --insight: #b4f0f6;
  --ok: #4fbf7a;
  --warn: #f0954a;
  --bad: #ff6a5a;
  --display: "Inter Tight", Inter, ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  --body: Inter, ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --nav-h: 68px;
  --side-w: 272px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font: 16px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }

/* top bar */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 18px;
  padding: 0 max(20px, env(safe-area-inset-right, 0px)) 0 max(20px, env(safe-area-inset-left, 0px));
  background: rgba(11, 15, 20, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-brand { display: flex; align-items: center; gap: 12px; color: var(--paper); }
.nav-brand:hover { text-decoration: none; }
.nav-logo { height: 24px; width: auto; display: block; }
.nav-tag {
  font: 600 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--insight); padding: 5px 8px; border: 1px solid var(--line2); border-radius: 6px;
}
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 20px; font-size: 14px; font-weight: 600; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--paper); text-decoration: none; }
.menu-btn {
  display: none; margin-left: auto;
  background: transparent; color: var(--paper); border: 1px solid var(--line2);
  border-radius: 8px; padding: 6px 12px; font: 600 13px/1 var(--body); cursor: pointer;
}

/* layout */
.layout {
  display: grid;
  grid-template-columns: var(--side-w) minmax(0, 1fr) 220px;
  max-width: 1400px; margin: 0 auto;
}
.side {
  position: sticky; top: var(--nav-h); align-self: start;
  height: calc(100vh - var(--nav-h)); overflow-y: auto;
  padding: 28px 18px 40px 24px;
  border-right: 1px solid var(--line);
}
.side h2 {
  margin: 22px 0 8px; font: 600 11px/1 var(--mono);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim);
}
.side h2:first-child { margin-top: 0; }
.side ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.side a {
  display: block; padding: 7px 10px; border-radius: 8px;
  color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.35;
}
.side a:hover { background: var(--surface); color: var(--paper); text-decoration: none; }
.side a[aria-current="page"] {
  background: rgba(76, 195, 214, 0.1); color: var(--paper);
  box-shadow: inset 2px 0 0 var(--cyan);
}

main { min-width: 0; padding: 40px clamp(20px, 4vw, 56px) 80px; }
article { max-width: 780px; }
.toc {
  position: sticky; top: var(--nav-h); align-self: start;
  padding: 40px 20px; font-size: 13px;
}
.toc h2 { margin: 0 0 10px; font: 600 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); }
.toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.toc a { color: var(--muted); }
.toc a:hover, .toc a.active { color: var(--paper); text-decoration: none; }

/* article type */
.eyebrow { margin: 0 0 10px; font: 600 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); }
article h1 {
  margin: 0 0 14px; font: 700 clamp(30px, 4vw, 40px)/1.15 var(--display);
  letter-spacing: -0.02em; text-wrap: balance;
}
.lede { margin: 0 0 32px; font-size: 18px; color: var(--muted); max-width: 66ch; }
article h2 {
  margin: 56px 0 14px; padding-top: 20px; border-top: 1px solid var(--line);
  font: 650 24px/1.25 var(--display); letter-spacing: -0.01em; text-wrap: balance;
}
article h3 { margin: 32px 0 10px; font: 650 18px/1.3 var(--display); }
article p, article li { max-width: 70ch; }
article ul, article ol { padding-left: 22px; }
article li { margin: 4px 0; }
article strong { color: #fff; font-weight: 600; }
article hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.anchor { margin-left: 8px; color: var(--dim); font-weight: 400; opacity: 0; transition: opacity 0.15s; }
article h2:hover .anchor, article h3:hover .anchor { opacity: 1; }
.anchor:hover { text-decoration: none; color: var(--cyan); }

code {
  font: 0.86em/1.5 var(--mono); background: var(--surface); color: var(--insight);
  padding: 2px 6px; border-radius: 5px; border: 1px solid var(--line); overflow-wrap: anywhere;
}
.code { position: relative; margin: 16px 0 20px; }
.code pre {
  margin: 0; padding: 16px 18px; overflow-x: auto;
  background: var(--raise); border: 1px solid var(--line2); border-radius: 12px;
  font: 13.5px/1.6 var(--mono); color: var(--paper);
}
.code pre code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; }
.copy {
  position: absolute; top: 8px; right: 8px;
  background: var(--surface2); color: var(--muted); border: 1px solid var(--line2);
  border-radius: 7px; padding: 4px 9px; font: 600 12px/1.2 var(--body); cursor: pointer;
}
.copy:hover { color: var(--paper); border-color: var(--cyan); }

.table-wrap { overflow-x: auto; margin: 16px 0 22px; border: 1px solid var(--line2); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; vertical-align: top; padding: 11px 14px; border-bottom: 1px solid var(--line); }
th { font: 600 11px/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); background: var(--raise); }
tr:last-child td { border-bottom: 0; }

/* callouts */
.callout {
  margin: 20px 0; padding: 14px 16px 14px 18px;
  border: 1px solid var(--line2); border-left: 3px solid var(--cyan);
  border-radius: 0 12px 12px 0; background: var(--raise);
}
.callout p { margin: 0; }
.callout p + p { margin-top: 8px; }
.callout .label { display: block; margin-bottom: 4px; font: 600 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--cyan); }
.callout.warn { border-left-color: var(--warn); }
.callout.warn .label { color: var(--warn); }
.callout.ok { border-left-color: var(--ok); }
.callout.ok .label { color: var(--ok); }

/* numbered walkthrough */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 24px 0; }
.steps > li { counter-increment: step; position: relative; padding-left: 52px; margin: 0 0 30px; max-width: none; }
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: -2px;
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  font: 700 15px/1 var(--display); color: #06222a; background: var(--cyan);
}
.steps > li > h3 { margin-top: 2px; }

/* screenshots */
.shot { margin: 18px 0 26px; }
.shot button {
  display: block; width: 100%; padding: 0; cursor: zoom-in;
  background: none; border: 1px solid var(--line2); border-radius: 12px; overflow: hidden;
  box-shadow: 0 18px 50px -24px rgba(0, 0, 0, 0.8);
}
.shot img { display: block; width: 100%; height: auto; max-width: 100%; }
.shot figcaption { margin-top: 10px; font-size: 13.5px; color: var(--dim); }
.lightbox {
  border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 94vh;
}
.lightbox::backdrop { background: rgba(5, 8, 11, 0.86); }
.lightbox img { display: block; max-width: 96vw; max-height: 94vh; width: auto; height: auto; border-radius: 10px; cursor: zoom-out; }

/* key/value */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 14px 0 20px; font-size: 14.5px; }
.kv dt { font: 600 12px/1.6 var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: 0.06em; }
.kv dd { margin: 0; }

/* chapter cards on the home page */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 24px 0; }
.card {
  display: block; padding: 18px; border: 1px solid var(--line2); border-radius: 14px;
  background: var(--raise); color: var(--paper);
}
.card:hover { border-color: var(--cyan); text-decoration: none; }
.card strong { display: block; margin-bottom: 6px; font: 650 17px/1.3 var(--display); }
.card span { color: var(--muted); font-size: 14px; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.pager a { display: block; padding: 14px 16px; border: 1px solid var(--line2); border-radius: 12px; color: var(--paper); }
.pager a:hover { border-color: var(--cyan); text-decoration: none; }
.pager small { display: block; font: 600 11px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); }
.pager .next { text-align: right; grid-column: 2; }

footer { border-top: 1px solid var(--line); padding: 28px 24px 40px; color: var(--dim); font-size: 13px; display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 1180px) {
  .layout { grid-template-columns: var(--side-w) minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .menu-btn { display: inline-block; }
  .nav-links { display: none; }
  .side {
    position: fixed; top: var(--nav-h); left: 0; z-index: 40;
    width: min(320px, 86vw); background: var(--ink);
    transform: translateX(-100%); transition: transform 0.2s ease;
    box-shadow: 20px 0 40px -20px rgba(0, 0, 0, 0.8);
  }
  body.menu-open .side { transform: none; }
  main { padding-top: 28px; }
  .pager { grid-template-columns: 1fr; }
  .pager .next { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .side { transition: none; }
}