/* Engineering fieldnotes. Shared tokens and primitives; page layouts live separately. */
@font-face { font-family: Manrope; src: url('/fonts/manrope.woff2') format('woff2'); font-weight: 200 800; font-display: swap; }
@font-face { font-family: 'Space Grotesk'; src: url('/assets/fonts/SpaceGrotesk-Variable.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('/assets/fonts/IBMPlexMono-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: Geist; src: url('/fonts/geist-sans.woff2') format('woff2'); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'Geist Mono'; src: url('/fonts/geist-mono.woff2') format('woff2'); font-weight: 100 900; font-style: normal; font-display: swap; }
:root.site-theme {
  --bg: #f5f2ec; --surface: #fcfaf6; --soft: #e9e6df;
  --ink: #252b3a; --muted: #60626d; --line: #d7d3cb;
  --accent: #a0442f; --accent-soft: #eee1d8;
  --selected: var(--accent-soft);
  --sans: Geist, Arial, sans-serif; --display: Geist, Arial, sans-serif;
  --mono: 'Geist Mono', Consolas, monospace;
  --page: var(--bg); --paper: var(--bg); --canvas: var(--soft); --blue: var(--accent);
  --text: var(--ink); --text-muted: var(--muted); --edge: #8b939e;
  --ui-font: var(--sans); --ui-display: var(--display); --ui-mono: var(--mono);
  --shell-height: 72px; --radius: 8px;
  color-scheme: light; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-synthesis: none; scroll-padding-top: 96px;
}
:root.site-theme[data-theme='dark'] {
  --bg: #1b1e26; --surface: #242833; --soft: #2d323e;
  --ink: #f0eade; --muted: #b8b5b2; --line: #454a56;
  --accent: #e9a58b; --accent-soft: #3e302f; --edge: #9eabba;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
body.portfolio, body.suite-page { background: var(--bg); color: var(--ink); font: 16px/1.75 var(--sans); }
[hidden] { display: none !important; }
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
:is(a, button, input, textarea, select, summary, [tabindex]):focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
::selection { background: var(--accent); color: var(--bg); }
.skip, .suite-skip {
  position: fixed; left: 16px; top: -100px; z-index: 200;
  padding: 12px 20px; color: var(--bg); background: var(--ink); border-radius: 4px;
}
.skip:focus, .suite-skip:focus { top: 12px; }
.site-header, .suite-page .suite-nav {
  display: flex; align-items: center; gap: 32px; min-height: var(--shell-height);
  background: var(--bg); color: var(--ink); border: 0; border-bottom: 1px solid var(--line);
  font-family: var(--sans); position: sticky; top: 0; z-index: 40;
}
.site-header { max-width: 1200px; margin: auto; }
.suite-page .suite-nav { padding: 0 max(24px, calc((100vw - 1200px) / 2)); }
.site-brand, .suite-page .suite-home {
  display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0;
  color: var(--ink); text-decoration: none; font: 600 15px/1.3 var(--sans);
  letter-spacing: -.02em; min-height: 44px;
}
.brand-symbol {
  display: grid; place-items: center; width: 36px; height: 36px;
  border: 1px solid var(--accent); color: var(--accent); border-radius: 4px;
  font: 500 14px/1 var(--display); letter-spacing: -.04em;
}
.site-nav, .suite-page .suite-actions { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.site-nav a, .suite-page .suite-actions a {
  display: inline-flex; align-items: center; min-height: 44px;
  font: 500 13px/1.4 var(--sans); color: var(--muted); text-decoration: none;
  padding: 0; border: 0; transition: color 160ms;
}
.site-nav a:hover, .suite-page .suite-actions a:hover,
.site-nav a[aria-current], .suite-page .suite-actions a[aria-current] { color: var(--accent); text-decoration: underline; text-underline-offset: 7px; }
.site-nav .nav-contact { color: var(--ink); }
.appearance-control, .suite-page .suite-actions .appearance-control {
  display: inline-flex; justify-content: center; align-items: center; gap: 8px;
  min-width: 44px; min-height: 44px; background: none; color: var(--muted);
  border: 0; padding: 8px; font: 12px var(--sans); border-radius: 4px;
  transition: color 160ms, background 160ms;
}
.appearance-control:hover { background: var(--soft); color: var(--ink); }
.appearance-glyph { font-size: 20px; line-height: 1; }
.site-theme .suite-location { font: 12px/1.5 var(--sans); color: var(--muted); letter-spacing: 0; flex: 1; min-width: 0; }
.site-theme .suite-location b { font-weight: 400; margin: 0 10px; color: var(--muted); }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 24px;
  min-height: 48px; padding: 10px 20px; border: 1px solid var(--line); border-radius: 4px;
  color: var(--ink); background: none; font: 600 13px var(--sans); text-decoration: none;
  transition: background 160ms, border-color 160ms, transform 160ms;
}
.button:hover { background: var(--soft); border-color: var(--accent); }
.button.primary { color: var(--bg); background: var(--accent); border-color: var(--accent); }
.button.primary:hover { background: var(--ink); border-color: var(--ink); }
.button:active, .appearance-control:active { transform: scale(.96); }
.eyebrow, .section-label { font: 12px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .075em; color: var(--muted); }
.architecture-dialog {
  --arch-bg: var(--bg); --arch-ink: var(--ink); --arch-soft: var(--soft);
  --arch-line: var(--line); --arch-accent: var(--accent);
  background: var(--bg); color: var(--ink); border-radius: 8px; font-family: var(--sans);
  box-shadow: 0 24px 100px #0004;
}
:root[data-theme='dark'] .architecture-dialog {
  --arch-bg: var(--bg); --arch-ink: var(--ink); --arch-soft: var(--soft); --arch-line: var(--line);
}
.architecture-dialog :is(h2, h3) { font-family: var(--display); letter-spacing: -.035em; }
.architecture-dialog :is(button, select) { min-height: 44px; font-size: 12px; border-radius: 4px; }
.architecture-dialog :is(p, .arch-description) { font-size: 14px; }
.architecture-dialog :is(.arch-kicker, .arch-source, .arch-port, .arch-node-note) { font-size: 12px; }
.architecture-dialog::backdrop { background: #151925b3; backdrop-filter: blur(4px); }
@media (max-width: 760px) {
  :root.site-theme { --shell-height: 64px; scroll-padding-top: 84px; }
  .site-header, .suite-page .suite-nav { gap: 14px; }
  .site-nav, .suite-page .suite-actions { gap: 16px; }
  .brand-name { display: none; }
  .site-nav a, .suite-page .suite-actions a { font-size: 12px; }
  .site-nav .nav-contact { display: none; }
  .site-theme .suite-location { display: none; }
  .suite-page .suite-nav { padding-inline: 20px; }
  .appearance-control .theme-mode { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}


/* Control geometry is shared; each product owns its material and density. */
:root.site-theme {
 --component-chevron-light:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23626b7a' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
 --component-chevron-dark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23c6cad5' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
 --component-chevron:var(--component-chevron-light);
 --control-radius:6px;--control-height:42px;--control-inset:14px;--control-reserve:42px;--control-font:var(--sans);
}
:root.site-theme[data-theme=dark],:root.site-theme[data-workspace=linear] {--component-chevron:var(--component-chevron-dark)}
.site-theme select:not([multiple]):not([size]),.site-theme select[size="1"] {
 -webkit-appearance:none!important;appearance:none!important;
 background-image:var(--component-chevron)!important;
 background-position:right var(--control-inset) center!important;
 background-repeat:no-repeat!important;background-size:12px 8px!important;
 padding-inline-end:var(--control-reserve)!important;
 min-height:var(--control-height);min-width:0;max-width:100%;
 border-radius:var(--control-radius);text-overflow:ellipsis;white-space:nowrap;
 font-variant-numeric:tabular-nums;cursor:pointer;
 transition:border-color .15s,box-shadow .15s,background-color .15s;
}
.site-theme select:enabled:hover {border-color:var(--accent)}
.site-theme select:focus-visible {outline:2px solid var(--accent);outline-offset:3px;box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent)}
.site-theme select:disabled {opacity:.5;cursor:not-allowed}
.site-theme :is(select,textarea,input)[aria-invalid=true] {border-color:#b44858}
.site-theme :is(input[type=checkbox],input[type=radio],input[type=range]) {accent-color:var(--accent)}
.site-theme :is(.component-inspector,.flow-inspector) {--control-inset:16px;--control-reserve:44px}
.site-theme select :is(option,optgroup) {color:var(--ink);background:var(--surface)}
@supports (appearance:base-select) {
 @media(pointer:fine) {
  .site-theme select:not([multiple]):not([size]),.site-theme select[size="1"],.site-theme select::picker(select) {appearance:base-select!important}
  .site-theme select::picker-icon {display:none}
  .site-theme select:not([multiple]):not([size]),.site-theme select[size="1"] {display:flex;align-items:center;overflow:hidden}
  .site-theme select>button {display:flex;align-items:center;min-width:0;width:100%;min-height:0!important;padding:0!important;margin:0;border:0!important;border-radius:0;background:transparent!important;color:inherit!important;font:inherit!important;line-height:inherit!important;text-align:start;box-shadow:none!important;transform:none!important}
  .site-theme select selectedcontent {display:block;width:100%;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .site-theme select::picker(select) {
   background:var(--surface);color:var(--ink);border:1px solid var(--line);
   border-radius:calc(var(--control-radius) + 5px);padding:5px;margin-block:6px;
   max-height:min(360px,65dvh);max-width:calc(100vw - 24px);overflow:auto;
   box-shadow:0 4px 8px #00000010,0 18px 48px #00000024;
   font:400 13px/1.5 var(--control-font);min-width:anchor-size(width);
  }
  .site-theme select option {display:flex;align-items:center;gap:18px;min-height:38px;padding:8px 12px;border-radius:var(--control-radius);white-space:normal;overflow-wrap:anywhere}
  .site-theme select option:is(:hover,:focus-visible) {background:var(--soft);outline:0}
  .site-theme select option:checked {background:var(--accent-soft);color:var(--ink);font-weight:550}
  .site-theme select option:disabled {opacity:.45}
  .site-theme select:open {border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 15%,transparent)}
  .site-theme select option::checkmark {order:1;margin-inline-start:auto;color:var(--accent);font-size:13px}
  .site-theme select optgroup {padding:7px 0;font:500 11px/1.6 var(--sans);color:var(--muted)}
 }
}
@media(forced-colors:active) {
 .site-theme select:not([multiple]):not([size]),.site-theme select[size="1"],.site-theme select::picker(select) {
  -webkit-appearance:auto!important;appearance:auto!important;
  background-image:none!important;padding-inline-end:12px!important;box-shadow:none!important;
 }
}

/* Final live QA: touch-sized selectors retain their centred arrow and label slot. */
@media(max-width:760px),(pointer:coarse){
 .site-theme select:not([multiple]):not([size]),.site-theme select[size="1"]{min-height:44px!important}
 .site-theme select option{min-height:44px}
}