/* windageengine.com — one stylesheet for the homepage and the docs.
   The mark is never redrawn here: pages load Brand/'s SVGs, which EngineMarkTests writes from
   EngineMark.outline. */

:root {
  --paper: #F4F5F7;
  --card: #FFFFFF;
  --ink: #14171C;
  --ink-2: #3C434C;
  --ink-3: #5B626C;
  --rule: #DADDE2;
  --rule-soft: #EBEDF0;
  --night: #0A0C0F;
  --night-2: #11141A;
  --night-rule: #1E2228;
  --night-ink: #F2F4F7;
  --night-ink-2: #C3C8CF;
  --night-ink-3: #8A919B;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Hanken Grotesk", -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --gutter: clamp(20px, 5vw, 64px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F1115; --card: #161A20; --ink: #E8EBEF; --ink-2: #C3C8CF; --ink-3: #939AA5;
    --rule: #262A32; --rule-soft: #1D2128;
  }
}
:root[data-theme="dark"] {
  --paper: #0F1115; --card: #161A20; --ink: #E8EBEF; --ink-2: #C3C8CF; --ink-3: #939AA5;
  --rule: #262A32; --rule-soft: #1D2128;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
code, pre, kbd { font-family: var(--mono); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

/* The lockup as a site sets it: the mark, WINDAGE, ENGINE tracked small. */
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 800 17px/1 var(--display); font-stretch: 122%; letter-spacing: .01em; }
.brand img { width: 26px; height: 26px; }
.brand small { font-weight: 600; font-stretch: 125%; letter-spacing: .3em; font-size: 10px; opacity: .6; }

.btn { display: inline-block; font: 600 15px/1 var(--body); padding: 14px 19px; border-radius: 8px; text-decoration: none; background: var(--ink); color: var(--paper); border: 1px solid transparent; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 16px; }
h1, h2, h3 { text-wrap: balance; }

/* ---------- Homepage: the night half ---------- */
.night { background: var(--night); color: var(--night-ink); }
.night .eyebrow { color: #6E7580; }
.night .btn { background: var(--night-ink); color: var(--night); }

.hero { position: relative; min-height: min(760px, 92vh); display: grid; align-content: space-between; overflow: hidden; }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgb(10 12 15 / .82) 0%, transparent 22%),
              linear-gradient(90deg, rgb(10 12 15 / .94) 0%, rgb(10 12 15 / .72) 48%, rgb(10 12 15 / .1) 85%),
              linear-gradient(0deg, var(--night) 0%, transparent 32%);
}
.site-nav { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px var(--gutter); }
.site-nav ul { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; font-size: 15px; }
.site-nav ul a { text-decoration: none; color: var(--night-ink-2); }
.site-nav ul a:hover { color: var(--night-ink); }
/* Wide enough that "Native to the Mac." holds its own line at desktop sizes; it broke after "to" at 900. */
.hero-copy { position: relative; z-index: 1; padding: 40px var(--gutter) 84px; max-width: 1120px; }
.hero h1 { font: 800 clamp(46px, 7.4vw, 84px)/.94 var(--display); font-stretch: 112%; letter-spacing: -.015em; margin: 0 0 24px; }
.hero .sub { font-size: clamp(18px, 2vw, 21px); line-height: 1.5; color: var(--night-ink-2); max-width: 34em; margin: 0 0 32px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cmd { font: 14px/1 var(--mono); padding: 14px 16px; border-radius: 8px; border: 1px solid #2A2F37; color: var(--night-ink-2); background: rgb(10 12 15 / .6); }
.cmd span { color: #6E7580; margin-right: 8px; }

.reqs { display: flex; flex-wrap: wrap; gap: 14px 40px; padding: 22px var(--gutter); border-block: 1px solid var(--night-rule); font: 13px/1.3 var(--mono); color: var(--night-ink-3); }
.reqs b { color: var(--night-ink); font-weight: 500; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: center; padding: clamp(64px, 9vw, 104px) var(--gutter); }
.split h2 { font: 800 clamp(34px, 4.4vw, 50px)/1 var(--display); font-stretch: 112%; margin: 0 0 18px; }
.split p { color: #AEB4BC; margin: 0 0 14px; max-width: 34em; }
.code { margin: 0; background: var(--night-2); border: 1px solid var(--night-rule); border-radius: 12px; padding: 24px 26px; font-size: 14.5px; line-height: 1.7; color: #D5DAE0; overflow-x: auto; }
.code .k { color: var(--night-ink-3); }
.code .t { color: #FFFFFF; font-weight: 600; }
.code .c { color: #5E6570; }
.caption { font: 12px/1.4 var(--mono); color: #6E7580; margin: 10px 0 0; }

/* ---------- Homepage: the day half ---------- */
.section { padding: clamp(64px, 9vw, 96px) var(--gutter); }
.section + .section { padding-top: 0; }
.section h2 { font: 800 clamp(34px, 4.4vw, 46px)/1 var(--display); font-stretch: 112%; margin: 0 0 12px; }
.section .lead { font-size: 18px; color: var(--ink-2); margin: 0 0 40px; max-width: 40em; }

.proof { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.proof h2 { font-size: clamp(40px, 5.6vw, 64px); line-height: .96; }
.proof p { color: var(--ink-2); max-width: 32em; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 26px 28px; }
.card h3 { margin: 0 0 4px; font: 700 17px/1.25 var(--body); }
.card .note { margin: 0 0 16px; font-size: 14px; color: var(--ink-3); }
.card .foot { margin: 14px 0 0; font-size: 14px; color: var(--ink-3); }
table.rates { width: 100%; border-collapse: collapse; font: 15px/1 var(--mono); font-variant-numeric: tabular-nums; }
table.rates th { text-align: left; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding: 0 0 10px; border-bottom: 1px solid var(--rule); }
table.rates td { padding: 11px 0; border-bottom: 1px solid var(--rule-soft); }
table.rates td.was { color: var(--ink-3); text-decoration: line-through; }
table.rates td.now { font-weight: 600; }

.band { display: grid; grid-template-columns: 1fr 1fr; background: var(--night); color: #EEF0F3; }
.band img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.band .story { padding: clamp(40px, 6vw, 64px); align-self: center; }
.band h2 { font: 800 clamp(32px, 4vw, 44px)/1 var(--display); font-stretch: 112%; margin: 0 0 18px; }
.band p { color: #B9BFC7; margin: 0 0 14px; max-width: 32em; }

.modules { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 28px; border-top: 1px solid var(--rule); }
.module { padding: 22px 0 24px; border-bottom: 1px solid var(--rule); }
.module h3 { font: 600 17px/1.3 var(--body); margin: 0 0 4px; }
.module p { margin: 0; font-size: 15px; color: var(--ink-3); }
.module code { display: block; font-size: 12px; color: var(--ink-3); margin-top: 10px; }

.isnt { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.isnt div { border-top: 3px solid var(--ink); padding-top: 16px; }
.isnt h3 { font: 800 22px/1.1 var(--display); font-stretch: 108%; margin: 0 0 8px; }
.isnt p { margin: 0; font-size: 15px; color: var(--ink-2); }

.checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.check { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 26px; }
.check strong { display: block; font: 800 56px/1 var(--display); font-stretch: 105%; font-variant-numeric: tabular-nums; }
.check h3 { font: 600 17px/1.3 var(--body); margin: 10px 0 6px; }
.check p { margin: 0; font-size: 15px; color: var(--ink-3); }
.check code { display: block; margin-top: 14px; font-size: 13px; background: var(--rule-soft); padding: 8px 10px; border-radius: 6px; }

.site-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding: 32px var(--gutter); border-top: 1px solid var(--rule); font-size: 14px; color: var(--ink-3); }
.site-foot nav { display: flex; gap: 22px; }

/* A grid item's minimum width is its content's by default, and a code block's longest line is wide: on a
   phone that pushed the whole section past the screen, headline and all. Let the tracks shrink and the
   code scroll inside itself instead. */
.split > *, .proof > *, .band > *, .docs > * { min-width: 0; }

@media (max-width: 900px) {
  .split, .proof, .band { grid-template-columns: 1fr; }
  .modules { grid-template-columns: 1fr 1fr; }
  .isnt { grid-template-columns: 1fr 1fr; }
  .checks { grid-template-columns: 1fr; }
  .site-nav ul { display: none; }
}
@media (max-width: 560px) {
  .modules, .isnt { grid-template-columns: 1fr; }
}

/* ---------- Docs ---------- */
.docs-bar { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 24px; padding: 14px 28px; background: var(--card); border-bottom: 1px solid var(--rule); }
.search { flex: 1; max-width: 420px; display: flex; justify-content: space-between; align-items: center; font: 14px/1 var(--body); color: var(--ink-3); border: 1px solid var(--rule); border-radius: 8px; padding: 9px 12px; background: var(--paper); }
.search kbd { font-size: 12px; border: 1px solid var(--rule); border-radius: 4px; padding: 2px 6px; }
.docs-bar ul { display: flex; gap: 22px; list-style: none; margin: 0 0 0 auto; padding: 0; font-size: 14px; }
.docs-bar ul a { text-decoration: none; color: var(--ink-2); }
.ver { font: 12px/1 var(--mono); border: 1px solid var(--rule); border-radius: 99px; padding: 6px 10px; color: var(--ink-2); white-space: nowrap; }

.docs { display: grid; grid-template-columns: 250px minmax(0, 1fr) 220px; background: var(--card); min-height: 100vh; }
.docs-nav { background: var(--paper); border-right: 1px solid var(--rule); padding: 28px 22px; font-size: 14px; }
.docs-nav h2 { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 24px 0 8px; }
.docs-nav h2:first-child { margin-top: 0; }
.docs-nav a { display: block; padding: 6px 10px; margin: 0 -10px; border-radius: 6px; text-decoration: none; color: var(--ink-2); }
.docs-nav a[aria-current="page"] { background: var(--ink); color: var(--card); font-weight: 600; }
.docs main { padding: 44px clamp(24px, 4vw, 56px) 96px; max-width: 820px; }
.crumb { font: 13px/1 var(--mono); color: var(--ink-3); margin: 0 0 14px; }
.docs h1 { font: 800 clamp(38px, 5vw, 52px)/1 var(--display); font-stretch: 112%; margin: 0 0 16px; }
.docs main > p { font-size: 18px; color: var(--ink-2); margin: 0 0 26px; }
.pills { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 40px; }
.pills span { font: 13px/1 var(--mono); background: var(--rule-soft); border-radius: 6px; padding: 8px 10px; color: var(--ink-2); }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps > li { counter-increment: step; position: relative; padding: 0 0 40px 52px; margin-left: 15px; border-left: 1px solid var(--rule); }
.steps > li:last-child { border-left-color: transparent; }
.steps > li::before { content: counter(step); position: absolute; left: -16px; top: -2px; width: 32px; height: 32px; border-radius: 50%; background: var(--ink); color: var(--card); font: 600 14px/32px var(--mono); text-align: center; }
.steps h2 { font: 700 21px/1.25 var(--body); margin: 0 0 8px; scroll-margin-top: 80px; }
.steps p { margin: 0 0 14px; color: var(--ink-2); font-size: 16px; }
.steps pre { margin: 0; background: #0F1216; color: #D5DAE0; border-radius: 10px; padding: 18px 20px; font-size: 14px; line-height: 1.65; overflow-x: auto; }
.steps pre .c { color: #6B7280; }
.steps pre .p { color: #9AA1AB; }
.steps figure { margin: 14px 0 0; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.steps figcaption { font: 12px/1.4 var(--mono); color: var(--ink-3); padding: 10px 12px; border-top: 1px solid var(--rule); }
.docs-toc { padding: 44px 22px; font-size: 13px; }
.docs-toc h2 { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 12px; }
.docs-toc a { display: block; padding: 5px 0 5px 12px; border-left: 2px solid var(--rule); text-decoration: none; color: var(--ink-3); }
.docs-toc a:first-of-type { border-left-color: var(--ink); color: var(--ink); font-weight: 600; }
.news { margin-top: 28px; background: var(--paper); border-radius: 10px; padding: 14px 16px; color: var(--ink-3); }
.news b { display: block; color: var(--ink); margin-bottom: 4px; }

@media (max-width: 1080px) { .docs { grid-template-columns: 230px minmax(0, 1fr); } .docs-toc { display: none; } }
@media (max-width: 760px) {
  .docs { grid-template-columns: 1fr; }
  .docs-nav { display: none; }
  .docs-bar ul { display: none; }
}
/* A phone's docs bar holds the mark and the version; the search box, squeezed to three lines beside them,
   read as broken. It belongs behind a button on a phone, which the draft does not have yet. */
@media (max-width: 560px) {
  .docs-bar { justify-content: space-between; padding: 14px 20px; }
  .docs-bar .search { display: none; }
  .brand small { display: none; }
}
.btn { white-space: nowrap; }

/* ---------- Docs: article pages (build-docs.py) ---------- */
.docs main h2 { font: 700 24px/1.25 var(--body); margin: 44px 0 10px; scroll-margin-top: 80px; }
.docs main h3 { font: 700 18px/1.3 var(--body); margin: 28px 0 8px; scroll-margin-top: 80px; }
.docs main p, .docs main li { color: var(--ink-2); font-size: 16px; }
.docs main > p:first-of-type { font-size: 18px; }
.docs main ul, .docs main ol { padding-left: 22px; margin: 0 0 16px; }
.docs main li { margin: 6px 0; }
.docs main code { font-size: .88em; background: var(--rule-soft); border-radius: 5px; padding: 1px 5px; }
.docs main pre { margin: 0 0 18px; background: #0F1216; color: #D5DAE0; border-radius: 10px; padding: 18px 20px; font-size: 14px; line-height: 1.65; overflow-x: auto; }
.docs main pre code { background: none; padding: 0; font-size: inherit; }
.docs main pre .c { color: #6B7280; }
.docs main pre .p { color: #9AA1AB; }
.docs main pre .k { color: #FFFFFF; font-weight: 600; }
.docs main figure { margin: 18px 0; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.docs main figcaption { font: 12px/1.4 var(--mono); color: var(--ink-3); padding: 10px 12px; border-top: 1px solid var(--rule); }
.docs main .note { border-left: 3px solid var(--ink); background: var(--paper); border-radius: 0 10px 10px 0; padding: 12px 16px; margin: 0 0 18px; }
.docs main .note p { margin: 0; }
.docs main .table { overflow-x: auto; margin: 0 0 18px; }
.docs main table { border-collapse: collapse; width: 100%; font-size: 15px; }
.docs main th { text-align: left; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding: 0 12px 10px 0; border-bottom: 1px solid var(--rule); }
.docs main td { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule-soft); color: var(--ink-2); vertical-align: top; }
.docs main a { color: var(--ink); text-underline-offset: 3px; }
a.news { display: block; text-decoration: none; }

/* The search box is a button that opens the search; it looked like a field before there was one. */
button.search { font: 14px/1 var(--body); color: var(--ink-3); cursor: pointer; text-align: left; }
.search-dialog { border: 1px solid var(--rule); border-radius: 12px; padding: 0; width: min(560px, 92vw); background: var(--card); color: var(--ink); }
.search-dialog::backdrop { background: rgb(10 12 15 / .4); }
.search-dialog input { width: 100%; border: 0; border-bottom: 1px solid var(--rule); padding: 16px 18px; font: 17px var(--body); background: transparent; color: var(--ink); outline: none; }
.search-dialog ul { list-style: none; margin: 0; padding: 6px; max-height: 60vh; overflow: auto; }
.search-dialog a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 8px; text-decoration: none; color: var(--ink); }
.search-dialog a:hover, .search-dialog a:focus { background: var(--paper); }
.search-dialog a span { color: var(--ink-3); font: 12px/1.6 var(--mono); }
.search-dialog .none { padding: 12px; color: var(--ink-3); }

/* On a phone the sidebar is hidden; its contents are behind this. */
.docs-menu { display: none; margin: 0 0 24px; border: 1px solid var(--rule); border-radius: 10px; }
.docs-menu summary { padding: 12px 14px; font: 600 14px/1 var(--body); cursor: pointer; }
.docs-menu nav { padding: 0 14px 14px; font-size: 15px; }
.docs-menu nav h2 { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 18px 0 6px; }
.docs-menu nav a { display: block; padding: 6px 0; text-decoration: none; color: var(--ink-2); }
.docs-menu nav a[aria-current="page"] { font-weight: 700; color: var(--ink); }
@media (max-width: 760px) { .docs-menu { display: block; } }
/* A one-word title can be a type name longer than a phone is wide ("CharacterController"). */
.docs h1 { overflow-wrap: anywhere; }
@media (max-width: 560px) { .docs h1 { font-size: 34px; } }