/* TOULOIR — shared stylesheet */
:root {
  color-scheme: light;
  --bg: #f6f5f1;
  --ink: #141413;
  --muted: #57564f;
  --faint: #7a786f;
  --rule: #d6d3ca;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, sans-serif;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --max: 76rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f0f0e; --ink: #edebe5; --muted: #a7a49c; --faint: #8a877f; --rule: #2e2d29;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f0f0e; --ink: #edebe5; --muted: #a7a49c; --faint: #8a877f; --rule: #2e2d29;
}

/* Logo swap */
.logo-paper { display: none !important; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo-ink { display: none !important; }
  :root:not([data-theme="light"]) .logo-paper { display: block !important; }
}
:root[data-theme="dark"] .logo-ink { display: none !important; }
:root[data-theme="dark"] .logo-paper { display: block !important; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--serif); font-size: 1.0625rem; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  min-height: 100vh; display: flex; flex-direction: column;
  transition: background-color .25s, color .25s;
}
main { flex: 1; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-weight: 400; line-height: 1.15; margin: 0; text-wrap: balance; }
p, li { text-wrap: pretty; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; text-decoration-color: var(--faint); transition: color .15s, text-decoration-color .15s; }
a:hover { color: var(--muted); text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }

.skip-link {
  position: absolute; left: var(--gutter); top: 0.75rem; z-index: 10;
  padding: 0.6rem 1rem; background: var(--ink); color: var(--bg);
  font: 500 0.875rem/1 var(--sans); text-decoration: none; transform: translateY(-200%);
}
.skip-link:focus { transform: none; color: var(--bg); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

.small {
  font: 500 0.6875rem/1.4 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}

/* Top bar */
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 3rem; padding-block: 0.5rem; }
.theme-toggle {
  display: inline-flex; align-items: center; gap: 0.625rem; padding: 0.5rem 0; margin: 0;
  background: none; border: 0; cursor: pointer; color: var(--muted);
  font: 500 0.6875rem/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase;
}
.theme-toggle[hidden] { display: none; }
.theme-toggle:hover { color: var(--ink); }
.switch { position: relative; width: 2rem; height: 1.125rem; border: 1px solid currentColor; border-radius: 999px; flex: none; }
.switch::after {
  content: ""; position: absolute; top: 50%; left: 0.1875rem; width: 0.625rem; height: 0.625rem;
  border-radius: 50%; background: currentColor; transform: translateY(-50%); transition: transform .2s ease;
}
.theme-toggle[aria-pressed="true"] .switch::after { transform: translate(0.8125rem, -50%); }

/* Masthead + nav */
.masthead { padding-top: clamp(0.5rem, 2vw, 1.5rem); }
/* One logo size on every page: full width up to --logo-max (change this one value to resize) */
.masthead { --logo-max: 62rem; }
.masthead .brand, .masthead--compact .brand { display: block; width: 100%; max-width: var(--logo-max); text-decoration: none; }
.masthead .brand img { width: 100%; height: auto; aspect-ratio: 287.5 / 126.125; }
.nav { margin-top: clamp(1.5rem, 4vw, 2.5rem); border-top: 1px solid var(--ink); padding-block: 0.625rem; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: nowrap; gap: 0 clamp(1.25rem, 3vw, 2rem); }
.nav a {
  display: inline-block; padding-block: 0.25rem; white-space: nowrap;
  /* same size as before on roomy screens; shrinks just enough to keep all four links on one line */
  font-family: var(--serif); font-weight: 400; line-height: 1.15;
  font-size: calc(max(1rem, min(clamp(1.625rem, 5.5vw, 2.5rem), (100vw - 2 * var(--gutter)) / 15)) * var(--navfit, 1));
  color: var(--faint); text-decoration: none;
}
@media (max-width: 47.99rem) {
  .nav ul { justify-content: space-between; gap: 0 0.5em; }
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

/* Home intro */
.lede { font-size: clamp(1.75rem, 4.6vw, 3rem); line-height: 1.18; max-width: 22ch; margin: clamp(3rem, 9vw, 6.5rem) 0 1.5rem; }
.intro { color: var(--muted); max-width: 36rem; }

/* Blocks */
.block { margin-top: clamp(4rem, 10vw, 7rem); }
.cols { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.75rem 2rem; }
.block-head { padding-bottom: 0.625rem; border-bottom: 1px solid var(--ink); }
.block-head .col-extra { display: none; }
@media (min-width: 48rem) {
  .cols { grid-template-columns: 10rem minmax(0, 1fr) 13rem; }
  .cols--2 { grid-template-columns: 10rem minmax(0, 1fr); }
  .block-head .col-extra { display: block; }
}

/* App index row */
.app-row { padding-block: 1.5rem; border-bottom: 1px solid var(--rule); align-items: start; }
.app-main { display: flex; gap: 1.25rem; align-items: flex-start; }
.app-icon {
  width: clamp(4.5rem, 9vw, 5.5rem); height: auto; aspect-ratio: 1; flex: none;
  border-radius: 22.5%; filter: grayscale(1) contrast(1.05);
  transition: filter .5s ease, transform .5s ease;
}
.app-row:hover .app-icon, .app-row:focus-within .app-icon, .app-icon:active { filter: none; }
.app-name { font-size: clamp(1.5rem, 3vw, 1.875rem); margin-bottom: 0.375rem; }
.app-desc { color: var(--muted); font-size: 1rem; line-height: 1.5; max-width: 30rem; }
.app-meta { font: 0.8125rem/1.5 var(--sans); color: var(--muted); padding-top: 0.25rem; }
.app-meta--ink { color: var(--ink); }
@media (min-width: 48rem) { .app-row { padding-block: 1.75rem; } }

/* Prose columns */
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 1.25rem 2.5rem; padding-top: 1.5rem; }
.columns p { margin: 0; }

/* Email */
.email-link { display: inline-block; font-size: clamp(1.75rem, 6.5vw, 4rem); line-height: 1.15; margin: 1.25rem 0 1rem; word-break: break-word; }

/* Subpages */
.page-title { font-size: clamp(2.5rem, 8vw, 5rem); letter-spacing: -0.01em; margin: clamp(3rem, 9vw, 6rem) 0 1.25rem; }
.page-intro { color: var(--muted); max-width: 36rem; font-size: 1.125rem; }
.doc { margin-top: clamp(3rem, 8vw, 5rem); border-top: 1px solid var(--ink); }
.doc-row { padding-block: 1.5rem 1.75rem; border-bottom: 1px solid var(--rule); }
.doc-row h2 { font: 500 0.75rem/1.6 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); padding-top: 0.2rem; }
.doc-row .body { max-width: 40rem; }
.doc-row ol, .doc-row ul { margin: 0 0 1em; padding-left: 1.25em; }
.doc-row li { margin-bottom: 0.4em; }
.doc-row li::marker { color: var(--faint); }
.doc-row .email-link { margin-top: 0; font-size: clamp(1.625rem, 5vw, 2.75rem); }
.muted { color: var(--muted); }

/* Footer */
.site-footer { margin-top: clamp(4rem, 10vw, 7rem); }
.footer-inner { border-top: 1px solid var(--ink); padding-block: 1.25rem 2.5rem; display: grid; gap: 1.25rem; font: 0.8125rem/1.6 var(--sans); color: var(--muted); }
.footer-mark { font: 400 1.125rem/1 var(--serif); letter-spacing: 0.1em; color: var(--ink); margin: 0 0 0.5rem; }
.footer-mark sup { font-size: 0.5em; letter-spacing: 0; line-height: 0; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }
@media (min-width: 48rem) {
  .footer-inner { grid-template-columns: 1fr auto; align-items: end; }
}

/* 404 */
.notfound-actions { margin-top: 1.5rem; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }