/* Shared production tokens; no fonts or assets loaded from third parties. */
:root {
  color-scheme: light;
  --color-primary: #0040A8;
  --color-primary-dark: #002F7A;
  --color-secondary: #526473;
  --color-canvas: #F1F5F9;
  --color-paper: #FFFFFF;
  --color-ink: #17212A;
  --color-muted: #5F6F7C;
  --color-divider: #D8E0E8;
  --color-gradient-middle: #F6F8FB;
  --color-gradient-end: #EEF3F8;
  --page-background: linear-gradient(180deg, var(--color-paper) 0%, var(--color-gradient-middle) 28rem, var(--color-gradient-end) 100%);
  --ink: var(--color-ink);
  --muted: var(--color-muted);
  --accent: var(--color-primary);
  --canvas: var(--color-canvas);
  --surface: var(--color-paper);
  --line: var(--color-divider);
  --disabled-ink: var(--color-muted);
  --disabled-surface: var(--color-canvas);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 280px; min-height: 100vh; background-color: var(--canvas); background-image: var(--page-background); }
.page-shell { width: min(1184px, 100%); min-height: 100svh; margin: 0 auto; padding: 36px 32px 24px; display: flex; flex-direction: column; }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 32px; }
.wordmark { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: inline-flex; align-items: center; min-height: 32px; padding-right: 13px; border-right: 1px solid var(--line); font-size: 19px; font-weight: 800; letter-spacing: -.055em; }
.brand-label { font-size: 15px; font-weight: 600; letter-spacing: -.015em; }
.environment-slot { color: var(--muted); font-size: 12px; font-weight: 650; letter-spacing: .015em; }
.environment-slot:empty { display: none; }
.environment-badge { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--color-secondary); background: var(--canvas); }
main { flex: 1; padding-top: 64px; }
.intro { margin-bottom: 34px; }
h1 { margin: 0; font-size: clamp(32px, 4.2vw, 48px); font-weight: 750; letter-spacing: -.045em; line-height: 1.13; }
.intro p { margin: 14px 0 0; color: var(--muted); font-size: 17px; line-height: 1.6; letter-spacing: -.01em; }
.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; scroll-margin-top: 24px; }
.tool-grid:focus { outline: none; }
.tool-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-width: 0; min-height: 216px; padding: 28px 64px 28px 28px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); color: var(--ink); text-decoration: none; box-shadow: 0 2px 3px rgb(23 33 42 / 2%); }
a.tool-card { transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease; }
a.tool-card:hover { border-color: var(--color-primary); box-shadow: 0 5px 16px rgb(0 64 168 / 8%); transform: translateY(-2px); }
.tool-icon { display: block; width: 48px; height: 48px; margin-bottom: 19px; flex: 0 0 auto; color: var(--accent); }
.tool-icon svg { display: block; width: 48px; height: 48px; }
.tool-title { margin: 0; font-size: 21px; line-height: 1.3; letter-spacing: -.025em; font-weight: 700; }
.tool-description { margin: 9px 0 0; color: var(--muted); font-size: 15px; line-height: 1.55; max-width: 36ch; }
.tool-arrow { position: absolute; right: 28px; bottom: 30px; display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; color: var(--accent); font-size: 25px; line-height: 1; }
.tool-arrow svg { width: 22px; height: 22px; }
.tool-card--disabled { background: var(--disabled-surface); box-shadow: none; color: var(--disabled-ink); padding-right: 28px; }
.tool-card--disabled .tool-icon { color: var(--color-secondary); }
.tool-card--disabled .tool-description { color: var(--disabled-ink); }
.tool-unavailable { display: inline-block; margin-top: 15px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 5px; background: var(--canvas); color: var(--color-secondary); font-size: 12px; line-height: 1.4; font-weight: 600; }
.tool-card--disabled .tool-arrow { display: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; margin-top: 52px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.5; }
.version { font-variant-numeric: tabular-nums; }
.skip-link { position: fixed; top: 12px; left: 20px; z-index: 10; padding: 10px 16px; border-radius: 6px; background: var(--ink); color: white; text-decoration: none; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
@media (max-width: 640px) {
  .page-shell { padding: 24px 20px 20px; }
  main { padding-top: 44px; }
  .intro { margin-bottom: 26px; }
  .intro p { font-size: 16px; margin-top: 12px; }
  .tool-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .tool-card { min-height: 180px; padding: 24px 58px 24px 24px; }
  .tool-card--disabled { padding-right: 24px; }
  .tool-icon { margin-bottom: 16px; }
  .tool-title { font-size: 20px; }
  .tool-arrow { right: 24px; bottom: 26px; }
  .site-footer { margin-top: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  a.tool-card { transition: none; }
  a.tool-card:hover { transform: none; }
}
@media (forced-colors: active) {
  .tool-card, .tool-unavailable { border-color: CanvasText; }
  .tool-card--disabled { color: GrayText; }
  .tool-icon svg { forced-color-adjust: auto; }
}

/* The public style guide is a specimen of these same production tokens. */
.site-footer a { color: var(--color-primary); text-underline-offset: 3px; }
.guide-main { padding-top: 52px; }
.guide-intro { max-width: 68ch; }
.guide-intro .eyebrow { margin: 0 0 12px; color: var(--color-primary); font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 24px; }
.guide-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.guide-nav a, .guide-provenance a, .guide-section a:not(.guide-action) { color: var(--color-primary); text-underline-offset: 4px; }
.guide-section { margin-top: 48px; scroll-margin-top: 24px; }
.guide-section h2 { margin: 0 0 12px; font-size: 26px; line-height: 1.25; letter-spacing: -.025em; }
.guide-section > p { max-width: 72ch; margin: 0 0 24px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.swatch-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.swatch { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.swatch-chip { height: 72px; border-bottom: 1px solid var(--line); }
.swatch-primary { background: var(--color-primary); }
.swatch-primary-dark { background: var(--color-primary-dark); }
.swatch-secondary { background: var(--color-secondary); }
.swatch-canvas { background: var(--color-canvas); }
.swatch-paper { background: var(--color-paper); }
.swatch-ink { background: var(--color-ink); }
.swatch-muted { background: var(--color-muted); }
.swatch-divider { background: var(--color-divider); }
.swatch-copy { padding: 16px; }
.swatch-copy h3 { margin: 0; font-size: 15px; line-height: 1.3; }
.swatch-copy code { display: block; margin: 7px 0; color: var(--color-secondary); font-size: 13px; }
.swatch-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.gradient-specimen { margin-top: 20px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.gradient-chip { min-height: 112px; background: linear-gradient(180deg, var(--color-paper) 0%, var(--color-gradient-middle) 55%, var(--color-gradient-end) 100%); }
.gradient-copy { padding: 18px 20px; border-top: 1px solid var(--line); }
.gradient-copy h3 { margin: 0 0 8px; font-size: 16px; }
.gradient-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.specimen-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.specimen { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.specimen h3 { margin: 0 0 20px; font-size: 16px; }
.specimen p { margin: 20px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.guide-action { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; border: 1px solid transparent; border-radius: 8px; background: var(--color-primary); color: var(--surface); font: inherit; font-size: 14px; font-weight: 650; text-decoration: none; }
.guide-action:hover { background: var(--color-primary-dark); }
.guide-action--focus { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.guide-action:disabled { background: var(--canvas); border-color: var(--line); color: var(--color-secondary); cursor: not-allowed; }
.adoption-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.adoption-list li { padding: 24px; border-top: 2px solid var(--color-primary); background: var(--surface); border-radius: 0 0 12px 12px; }
.adoption-list h3 { margin: 0 0 8px; font-size: 16px; }
.adoption-list p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.guide-provenance { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--muted); font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
.guide-provenance p { margin: 0 0 10px; }
.guide-provenance p:last-child { margin-bottom: 0; }
@media (max-width: 900px) { .swatch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .specimen-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) { .guide-main { padding-top: 40px; } .guide-section { margin-top: 36px; } .adoption-list { grid-template-columns: minmax(0, 1fr); } .swatch-copy { padding: 14px; } }
@media (forced-colors: active) { .swatch-chip, .gradient-chip { forced-color-adjust: none; } .guide-action { border-color: ButtonText; } }

.guide-home { color: var(--ink); text-decoration: none; }
.guide-section:focus { outline: none; }