/* ============================================================================
   stone-ui.css — the single typography + navigation chrome for every
   WrittenInStone surface. First-party only: fonts are self-hosted here, so no
   page has to reach a third-party CDN at render time (governance.html's
   "must not ask you to trust anyone else" rule now holds site-wide).

   Loaded LAST in <head> so it wins ties against each page's inline <style>.
   Pages keep their own layout/colour work; this file owns:
     1. the font faces + the three canonical families
     2. the shared type normalisation (families, weights, rhythm)
     3. the collapsible side panel chrome (#stone-nav)
   ========================================================================== */

/* ---------- 1. self-hosted faces (OFL: Inter, Cormorant Garamond) --------- */

/* Inter ships as a variable font; one file covers 100–900. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-var-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-400-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-400-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-500-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-500-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-600-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-600-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-400-italic-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Cormorant Garamond";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/cormorant-garamond-400-italic-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- 2. canonical type system ------------------------------------- */

:root {
  /* Canonical names. Legacy aliases below keep existing pages working. */
  --stone-serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --stone-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --stone-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;

  /* Pages already reference these three; re-pointing them here is what makes
     why/esther/docs/quickstart/legal match the flagship. */
  --serif: var(--stone-serif);
  --sans: var(--stone-sans);
  --mono: var(--stone-mono);

  /* Shared rhythm. Sizes stay page-owned (a hero may be huge); the families,
     weights, tracking and leading are site-owned. */
  --stone-lh-body: 1.6;
  --stone-lh-head: 1.06;
  --stone-track-head: -0.012em;
  --stone-track-eyebrow: 0.28em;

  --stone-nav-w: 268px;
  --stone-nav-w-collapsed: 72px;
  --stone-nav-gold: #d8a955;
  --stone-nav-gold-bright: #f4d089;
  --stone-nav-ink: #ece8df;
  --stone-nav-muted: #8b8576;
  --stone-nav-bg: #0a0c12;
  --stone-nav-bg-2: #12151d;
  --stone-nav-line: rgba(216, 169, 85, 0.18);
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--stone-sans);
  line-height: var(--stone-lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis-weight: none;
}

h1, h2, h3, .stone-display,
.brand, .wordmark, .sigil, .forging {
  font-family: var(--stone-serif);
  line-height: var(--stone-lh-head);
  letter-spacing: var(--stone-track-head);
  font-weight: 500;
  text-wrap: balance;
}

h4, h5, h6 {
  font-family: var(--stone-sans);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

code, kbd, pre, samp, .mono {
  font-family: var(--stone-mono);
}

p, li, blockquote {
  text-wrap: pretty;
}

/* The one exception: pages that set a serif hero by literal name are rewritten
   at source to use var(--serif); this rule only catches stragglers. */
[style*="Georgia"] {
  font-family: var(--stone-serif);
}

/* ---------- 3. the collapsible side panel -------------------------------- */

#stone-nav,
#stone-nav * {
  box-sizing: border-box;
}

#stone-nav {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 9000;
  width: var(--stone-nav-w);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 14px 14px;
  background: linear-gradient(180deg, var(--stone-nav-bg) 0%, var(--stone-nav-bg-2) 100%);
  border-right: 1px solid var(--stone-nav-line);
  color: var(--stone-nav-ink);
  font-family: var(--stone-sans);
  overflow-y: auto;
  overscroll-behavior: contain;
  transition: width 0.22s ease, transform 0.22s ease;
  cursor: auto;
}

/* Collapsed: an icon rail. Labels are hidden but stay in the a11y tree via
   aria-label on each link. */
html.stone-nav-collapsed #stone-nav {
  width: var(--stone-nav-w-collapsed);
  padding-left: 10px;
  padding-right: 10px;
}

html.stone-nav-ready body {
  padding-left: var(--stone-nav-w);
  transition: padding-left 0.22s ease;
}
html.stone-nav-ready.stone-nav-collapsed body {
  padding-left: var(--stone-nav-w-collapsed);
}

#stone-nav .sn-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 6px 8px 14px;
  color: var(--stone-nav-ink);
  text-decoration: none;
  font-family: var(--stone-serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
#stone-nav .sn-gem {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  transform: rotate(45deg);
  border: 1px solid var(--stone-nav-gold);
  background: linear-gradient(135deg, rgba(244, 208, 137, 0.34), transparent);
}
#stone-nav .sn-brand b {
  color: var(--stone-nav-gold);
  font-weight: 600;
}

#stone-nav .sn-group {
  margin-top: 12px;
  padding: 0 8px 6px;
  font-family: var(--stone-mono);
  font-size: 9.5px;
  letter-spacing: var(--stone-track-eyebrow);
  text-transform: uppercase;
  color: var(--stone-nav-muted);
}

#stone-nav a.sn-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--stone-nav-ink);
  text-decoration: none;
  font-size: 13.5px;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
#stone-nav a.sn-item:hover,
#stone-nav a.sn-item:focus-visible {
  background: rgba(216, 169, 85, 0.09);
  border-color: var(--stone-nav-line);
  color: var(--stone-nav-gold-bright);
  outline: none;
}
#stone-nav a.sn-item[aria-current="page"] {
  background: rgba(216, 169, 85, 0.14);
  border-color: var(--stone-nav-gold);
  color: var(--stone-nav-gold-bright);
}
#stone-nav a.sn-item .sn-ico {
  flex: 0 0 auto;
  width: 18px;
  text-align: center;
  font-family: var(--stone-mono);
  font-size: 12px;
  color: var(--stone-nav-gold);
}
#stone-nav a.sn-item .sn-label,
#stone-nav .sn-group,
#stone-nav .sn-brand span.sn-name,
#stone-nav .sn-foot .sn-cta {
  transition: opacity 0.14s ease;
}
html.stone-nav-collapsed #stone-nav .sn-item .sn-label,
html.stone-nav-collapsed #stone-nav .sn-group,
html.stone-nav-collapsed #stone-nav .sn-brand span.sn-name,
html.stone-nav-collapsed #stone-nav .sn-foot .sn-cta {
  display: none;
}
html.stone-nav-collapsed #stone-nav a.sn-item {
  justify-content: center;
  padding: 10px 0;
}

#stone-nav .sn-foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--stone-nav-line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#stone-nav .sn-cta {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--stone-nav-gold);
  border-radius: 8px;
  background: rgba(216, 169, 85, 0.12);
  color: var(--stone-nav-gold-bright);
  font-family: var(--stone-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
}
#stone-nav .sn-cta:hover {
  background: rgba(216, 169, 85, 0.2);
}

.sn-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--stone-nav-line);
  border-radius: 8px;
  background: transparent;
  color: var(--stone-nav-muted);
  font-family: var(--stone-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
}
.sn-toggle:hover,
.sn-toggle:focus-visible {
  color: var(--stone-nav-gold-bright);
  border-color: var(--stone-nav-gold);
  outline: none;
}
.sn-toggle .sn-chev {
  display: inline-block;
  transition: transform 0.22s ease;
}
html.stone-nav-collapsed .sn-toggle .sn-chev {
  transform: rotate(180deg);
}
html.stone-nav-collapsed .sn-toggle .sn-toggle-label {
  display: none;
}

/* Mobile: off-canvas drawer + hamburger. */
#stone-nav-burger {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9002;
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--stone-nav-line);
  border-radius: 10px;
  background: rgba(10, 12, 18, 0.92);
  color: var(--stone-nav-gold);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(10px);
}
#stone-nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 8999;
  display: none;
  background: rgba(4, 5, 8, 0.66);
  backdrop-filter: blur(3px);
}

@media (max-width: 900px) {
  #stone-nav-burger {
    display: flex;
  }
  html.stone-nav-ready body,
  html.stone-nav-ready.stone-nav-collapsed body {
    padding-left: 0;
  }
  #stone-nav {
    width: min(84vw, var(--stone-nav-w));
    transform: translateX(-102%);
    box-shadow: 30px 0 60px rgba(0, 0, 0, 0.5);
  }
  /* The hamburger sits over the drawer's top-left corner; keep the wordmark
     clear of it so the open drawer never shows the two stacked. */
  #stone-nav .sn-brand {
    padding-left: 48px;
  }
  html.stone-nav-collapsed #stone-nav {
    width: min(84vw, var(--stone-nav-w));
    padding-left: 14px;
    padding-right: 14px;
  }
  /* On mobile the drawer always shows full labels when open. */
  html.stone-nav-collapsed #stone-nav .sn-item .sn-label,
  html.stone-nav-collapsed #stone-nav .sn-group,
  html.stone-nav-collapsed #stone-nav .sn-brand span.sn-name,
  html.stone-nav-collapsed #stone-nav .sn-foot .sn-cta {
    display: initial;
  }
  html.stone-nav-collapsed #stone-nav a.sn-item {
    justify-content: flex-start;
    padding: 9px 10px;
  }
  html.stone-nav-open #stone-nav {
    transform: none;
  }
  html.stone-nav-open #stone-nav-scrim {
    display: block;
  }
  html.stone-nav-open {
    overflow: hidden;
  }
  .sn-toggle {
    display: none;
  }
}

/* A page-supplied nav is replaced by the side panel; keep it in the DOM (SEO
   links, no markup churn) but out of the visual flow. */
html.stone-nav-ready [data-stone-legacy-nav] {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  #stone-nav,
  html.stone-nav-ready body,
  .sn-toggle .sn-chev,
  #stone-nav a.sn-item {
    transition: none;
  }
}

@media print {
  #stone-nav,
  #stone-nav-burger,
  #stone-nav-scrim {
    display: none !important;
  }
  html.stone-nav-ready body {
    padding-left: 0;
  }
}
