/* legato.computer: lab theme. Warm near-black, cream type, Instrument Serif for display, Geist Mono for text. */
:root {
  --bg: #0a0a09;
  --bg-2: #0f0f0d;
  --panel: #121210;
  --ink: #ece8df;
  --ink-2: #b3aea3;
  --ink-3: #85817a;
  --ink-4: #5e5b55;
  --line: #22211d;
  --line-2: #33312c;
  --ok: #a9c7a0;
  --err: #e0a08f;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Geist", ui-sans-serif, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  position: relative;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.7 var(--mono);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--ink); }
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 3px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.hide-sm { }
@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .hide-sm { display: none !important; }
}

/* waves behind the hero */
canvas.waves { position: absolute; left: 0; top: 0; width: 100%; height: 100vh; min-height: 640px; z-index: 0; pointer-events: none; }
header, main, footer { position: relative; z-index: 1; }

/* header */
.top .wrap { display: flex; align-items: center; height: 88px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 14px; }
.brand svg { width: 20px; height: 12px; color: var(--ink-2); }
.nav { margin-left: auto; display: flex; align-items: center; gap: 28px; font-size: 13px; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .est { color: var(--ink-3); }

/* hero */
.hero { min-height: calc(100vh - 88px); min-height: max(560px, calc(100vh - 88px)); display: flex; align-items: center; padding: 40px 0 120px; }
.hero > .wrap { width: 100%; }
.hero h1 { font: 400 clamp(64px, 10.4vw, 132px)/0.94 var(--serif); letter-spacing: -0.02em; margin: 0 0 40px; color: var(--ink); }
.hero h1 em { font-style: italic; color: #8a857b; }
.hero .lead { max-width: 440px; color: var(--ink-2); font-size: 14px; line-height: 1.6; margin: 0 0 44px; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }
.install { display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 14px; border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--bg) 70%, transparent); color: var(--ink); font: 13px/1 var(--mono); cursor: pointer; }
.install:hover { border-color: var(--ink-3); }
.install .p { color: var(--ink-4); }
.install .copied { color: var(--ink-3); font-size: 11px; letter-spacing: .04em; margin-left: 6px; }
.cta .link { font-size: 14px; color: var(--ink); text-decoration-color: var(--ink-3); }
.cta .link.dim { color: var(--ink-2); text-decoration-color: var(--line-2); }

/* metrics strip */
.metrics { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 88%, transparent); }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); }
.grid4 > div { padding: 32px 28px 30px; border-left: 1px solid var(--line); }
.grid4 > div:first-child { border-left: 0; padding-left: 0; }
.metrics .n { font: 400 48px/1 var(--serif); color: var(--ink); letter-spacing: -0.01em; margin-bottom: 14px; }
.metrics .t { font-size: 12.5px; line-height: 1.55; color: var(--ink-3); max-width: 240px; }
@media (max-width: 900px) {
  .grid4 { grid-template-columns: 1fr 1fr; }
  .grid4 > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .grid4 > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .grid4 { grid-template-columns: 1fr; }
  .grid4 > div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .grid4 > div:first-child { border-top: 0; }
}

/* document blocks: a label column and a body, like a lab notebook */
.doc-block { padding: 72px 0; border-bottom: 1px solid var(--line); }
.two { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 40px; }
.label { font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); padding-top: 4px; }
.label .hash { color: var(--ink-4); margin-right: 6px; }
.body { max-width: 820px; }
.body > p { color: var(--ink-2); margin: 0 0 18px; }
.body { min-width: 0; }
@media (max-width: 860px) { .two { grid-template-columns: minmax(0, 1fr); gap: 20px; } .doc-block { padding: 52px 0; } }

/* research notes */
.notes { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.notes li { border-bottom: 1px solid var(--line); }
.notes a { display: grid; grid-template-columns: 64px 92px minmax(0, 1fr); column-gap: 18px; padding: 22px 0; text-decoration: none; color: var(--ink); }
.notes .no, .notes .date { font-size: 12px; color: var(--ink-4); padding-top: 6px; }
.notes .title { font: 400 26px/1.15 var(--serif); grid-column: 3; color: var(--ink); }
.notes .gist { grid-column: 3; font-size: 13px; color: var(--ink-3); margin-top: 8px; max-width: 640px; }
.notes a:hover .title { text-decoration: underline; text-decoration-color: var(--ink-3); text-underline-offset: 5px; text-decoration-thickness: 1px; }
.notes .no, .notes .date { grid-row: 1; }
@media (max-width: 600px) {
  .notes a { grid-template-columns: 56px minmax(0, 1fr); }
  .notes .date { display: none; }
  .notes .title, .notes .gist { grid-column: 2; }
}

/* figure */
.fig { margin: 0; }
.fig video { width: 100%; display: block; border: 1px solid var(--line-2); background: var(--bg-2); }
.fig figcaption { font-size: 12.5px; color: var(--ink-3); margin-top: 14px; max-width: 860px; line-height: 1.6; }
.fig .no { color: var(--ink); margin-right: 8px; }

/* project cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.card { display: block; padding: 24px 24px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none;
  color: var(--ink); transition: background .15s; }
.card:hover { background: var(--bg-2); }
.card .h { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 15px; margin-bottom: 12px; }
.card .tag { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); border: 1px solid var(--line-2); padding: 3px 7px; }
.card .tag.beta { color: var(--ink); border-color: var(--ink-3); }
.card p { margin: 0; color: var(--ink-3); font-size: 13px; line-height: 1.65; }
@media (max-width: 680px) { .cards { grid-template-columns: 1fr; } }

/* code panel */
.panel { border: 1px solid var(--line-2); background: var(--bg-2); }
.tabs { display: flex; border-bottom: 1px solid var(--line-2); }
.tabs button { font: 12.5px/1 var(--mono); color: var(--ink-3); background: none; border: 0; border-right: 1px solid var(--line); padding: 13px 18px; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--ink); background: var(--panel); }
.tabpanel pre { margin: 0; padding: 22px 22px 24px; overflow-x: auto; font: 13px/1.7 var(--mono); color: var(--ink-2); }
.tabpanel .k { color: var(--ink); }
.tabpanel .s { color: #c9b98f; }
.tabpanel .c { color: var(--ink-4); }
.more { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; font-size: 13px; }

/* early-access form */
.wl { margin-top: 28px; display: grid; gap: 22px; max-width: 640px; }
.wl .row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.wl label { display: grid; gap: 6px; font-size: 12px; color: var(--ink-3); }
.wl input, .wl textarea { font: 14px/1.5 var(--mono); color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--line-2);
  padding: 8px 0; outline: none; border-radius: 0; }
.wl input:focus, .wl textarea:focus { border-bottom-color: var(--ink-2); }
.wl textarea { min-height: 72px; resize: vertical; }
.wl ::placeholder { color: var(--ink-4); }
.wl button { justify-self: start; font: 14px/1 var(--mono); color: var(--ink); background: none; border: 0; padding: 6px 0;
  border-bottom: 1px solid var(--ink-3); cursor: pointer; }
.wl button:hover { border-bottom-color: var(--ink); }
.wl button[disabled] { opacity: .5; cursor: progress; }
.formmsg { margin: 0; font-size: 12.5px; color: var(--ink-3); min-height: 1.4em; }
.formmsg.ok { color: var(--ok); }
.formmsg.err { color: var(--err); }
@media (max-width: 560px) { .wl .row { grid-template-columns: 1fr; } }

/* footer */
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; padding-top: 40px; padding-bottom: 44px; font-size: 13px; color: var(--ink-3); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--ink-3); text-decoration: none; }
footer a:hover { color: var(--ink); }

/* docs pages */
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; padding-top: 24px; padding-bottom: 80px; }
.docs .side { position: sticky; top: 24px; align-self: start; display: flex; flex-direction: column; gap: 1px; font-size: 13px; }
.docs .side .g { font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-4); margin: 22px 0 8px; }
.docs .side .g:first-child { margin-top: 0; }
.docs .side a { color: var(--ink-3); text-decoration: none; padding: 4px 0; }
.docs .side a:hover, .docs .side a[aria-current="page"] { color: var(--ink); }
.doc { max-width: 780px; font: 16px/1.7 var(--sans); color: var(--ink-2); }
.doc h1 { font: 400 clamp(40px, 5.4vw, 60px)/1.02 var(--serif); letter-spacing: -0.015em; color: var(--ink); margin: 8px 0 28px; }
.doc h2 { font: 400 32px/1.15 var(--serif); color: var(--ink); margin: 52px 0 14px; }
.doc h3 { font: 500 17px/1.3 var(--sans); color: var(--ink); margin: 32px 0 10px; }
.doc strong { color: var(--ink); font-weight: 600; }
.doc a { color: var(--ink); }
.doc li { margin: 4px 0; }
.doc code { font: 0.86em var(--mono); color: var(--ink); background: var(--panel); border: 1px solid var(--line); padding: 1px 5px; }
.doc pre { background: var(--bg-2); border: 1px solid var(--line-2); padding: 16px 18px; overflow-x: auto; }
.doc pre code { background: none; border: 0; padding: 0; font-size: 13px; line-height: 1.65; color: var(--ink-2); }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--ink); font: 500 12px/1.4 var(--mono); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.doc blockquote { margin: 18px 0; padding-left: 16px; border-left: 1px solid var(--line-2); color: var(--ink-3); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }
.doc .edit { margin-top: 56px; font: 12.5px var(--mono); color: var(--ink-4); }
.doc .edit a { color: var(--ink-3); }
@media (max-width: 860px) {
  .docs { grid-template-columns: 1fr; gap: 16px; }
  .docs .side { position: static; flex-direction: row; flex-wrap: wrap; gap: 4px 16px; }
  .docs .side .g { width: 100%; margin: 12px 0 2px; }
}