/* open.acific.com: the Open Memory site. Tokens on :root; the okay family's cream, ink and orange; Inter for the site,
   Source Serif 4 where a paper is read. Light and dark follow the viewer, with the same tokens redefined. */
:root {
  --bg: #f3f1ec;
  --surface: #ffffff;
  --ink: #16181b;
  --ink-2: #5a5f66;
  --ink-3: #8a9099;
  --line: #dcd9d1;
  --accent: #e4560f;
  --accent-ink: #ffffff;
  --wash: #fbe9df;
  --ok: #1f7a4d;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --max: 1040px;
  --gutter: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #17191c; --surface: #202327; --ink: #e9eaec; --ink-2: #a3a9b1; --ink-3: #777e87; --line: #31363c;
  --accent: #f0702a; --accent-ink: #1a0d05; --wash: #3a2316; --ok: #5cc48a; color-scheme: dark;
} }
:root[data-theme="dark"] {
  --bg: #17191c; --surface: #202327; --ink: #e9eaec; --ink-2: #a3a9b1; --ink-3: #777e87; --line: #31363c;
  --accent: #f0702a; --accent-ink: #1a0d05; --wash: #3a2316; --ok: #5cc48a; color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; }
a { color: inherit; }
img { max-width: 100%; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 6px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* nav */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; }
.nav.scrolled { border-color: var(--line); }
.nav-in { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); height: 56px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; flex: none; }
.brand-mark { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--wash); }
.brand-word { font-size: 17px; letter-spacing: -.02em; font-weight: 700; }
.brand-word span { font-weight: 400; color: var(--ink-2); }
.nav-links { display: flex; align-items: center; gap: 2px; font-size: 14px; margin-left: auto; }
.nav-links a { padding: 6px 10px; border-radius: 6px; color: var(--ink-2); text-decoration: none; }
.nav-links a:hover { color: var(--ink); background: var(--line); }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 500; }

/* page shell */
.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
main.wrap { padding-block: 40px 64px; }
.eyebrow { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin: 0 0 10px; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 16px; text-wrap: balance; font-weight: 700; }
h2 { font-size: clamp(22px, 3vw, 28px); letter-spacing: -.02em; margin: 48px 0 12px; text-wrap: balance; }
h3 { font-size: 18px; margin: 28px 0 8px; }
p { margin: 0 0 14px; }
.lede { font-size: clamp(18px, 2.2vw, 22px); color: var(--ink-2); max-width: 44ch; line-height: 1.45; }
.btns { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0 0; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; font-weight: 500; font-size: 15px; background: var(--surface); }
.btn:hover { border-color: var(--ink-3); }
.btn-primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* home */
.hero { padding-block: 56px 24px; }
.thesis { font-family: var(--serif); font-size: clamp(22px, 3.2vw, 32px); line-height: 1.3; max-width: 30ch; margin: 28px 0 0; text-wrap: balance; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 20px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 18px 16px; min-width: 0; }
.tile h3 { margin: 0 0 6px; font-size: 16px; }
.tile p { margin: 0; color: var(--ink-2); font-size: 14.5px; }
.tile .k { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; display: block; margin-bottom: 8px; }
.flow { font-family: var(--mono); font-size: 13px; line-height: 1.6; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; overflow-x: auto; margin: 20px 0 0; }
.flow b { color: var(--accent); font-weight: 600; }
pre { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.5; }
code { font-family: var(--mono); font-size: .9em; }
:not(pre) > code { background: var(--surface); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px 5px 8px; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); display: inline-block; }
.principles { counter-reset: p; list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px 24px; }
.principles li { counter-increment: p; padding-left: 36px; position: relative; font-size: 15px; }
.principles li::before { content: counter(p); position: absolute; left: 0; top: 2px; width: 24px; height: 24px; border-radius: 50%; background: var(--wash); color: var(--accent); font-family: var(--mono); font-size: 12px; display: grid; place-items: center; font-weight: 600; }
.principles b { display: block; }

/* docs (rendered Markdown) */
.doc { max-width: 76ch; }
.doc h1 { font-size: clamp(28px, 4vw, 40px); }
.doc h2 { margin-top: 40px; }
.doc blockquote { margin: 0 0 16px; padding: 8px 14px; border-left: 3px solid var(--accent); color: var(--ink-2); font-size: 14px; background: var(--surface); }
.doc ul, .doc ol { padding-left: 24px; }
.doc li { margin-bottom: 4px; }
.doc .table-wrap { overflow-x: auto; margin: 0 0 16px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; }
.doc th, .doc td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc th { font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.doc a { color: var(--accent); }
.doc-nav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 28px; }
.doc-nav a { font-size: 13px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; color: var(--ink-2); background: var(--surface); }
.doc-nav a[aria-current="page"], .doc-nav a:hover { color: var(--ink); border-color: var(--ink-3); }

/* footer */
footer { border-top: 1px solid var(--line); margin-top: 48px; }
.foot-in { max-width: var(--max); margin: 0 auto; padding-block: 22px; padding-left: var(--gutter); padding-right: var(--gutter-r); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); }
.foot-in a { color: inherit; }
.foot-in .alpha { color: var(--accent); font-weight: 600; }

@media (max-width: 720px) {
  .nav-links { gap: 0; }
  .nav-links a { padding: 6px 7px; font-size: 13px; }
  .nav-links a.hide-sm { display: none; }
  .hero { padding-block: 36px 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }