/*
 * theme.css — Fulcrum's design-system values.
 *
 * Swiss ledger: cream paper, hairline rules, one deep green ink spent only on
 * links, buttons and figures. Sharp corners (--radius-* all 0), no shadow
 * (tier 0), a grotesk display face with tight tracking. Dark mode is its own
 * palette — a near-black ground with a brighter, legible green — not the
 * light mode inverted.
 */

:root {
  color-scheme: light;
  --canvas: #f7f5ef;
  --surface: #fbfbf8;
  --surface-2: #edeee5;
  --border: #dad6c7;
  --border-strong: #b6b1a0;
  --ink: #1b1b18;
  --muted: #6a6965;
  --accent: #145c43;
  --accent-hover: #0e4733;
  --accent-ink: #f7f5ef;
  --accent-text: #145c43;
  --accent-strong: #145c43;
  --accent-soft: #dfeae2;
  --accent-border: #a9c9b8;
  --success: #15803d;
  --success-ink: #ffffff;
  --success-soft: #dfebe3;
  --success-strong: #14663a;
  --warning: #925c1c;
  --warning-ink: #ffffff;
  --warning-soft: #f0e6d6;
  --warning-strong: #7a4c17;
  --danger: #9c2b22;
  --danger-ink: #ffffff;
  --danger-soft: #f1ddd9;
  --danger-strong: #8a251d;
  --chart-1: #145c43;
  --chart-2: #8a6b32;
  --chart-3: #3d6b80;
  --chart-4: #8a4a3d;
  --chart-5: #5c5c8a;
  --chart-6: #8a8570;

  --font-display: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-weight: 700;
  --display-tracking: -0.03em;
  --eyebrow-tracking: 0.08em;

  --radius-btn: 0px;
  --radius-card: 0px;
  --radius-input: 0px;
  --radius-lg: 0px;
  --radius-xl: 0px;
  --border-w: 1px;
  --border-strong-w: 1px;
  --shadow-card: none;
  --shadow-raised: 0 1px 0 var(--border);
  --shadow-btn: none;
  --caps: uppercase;
  --caps-tracking: 0.06em;
  --btn-weight: 600;
  --measure: 68ch;

  /* The dark statement band (section 4) is a fixed print-black slab — a
     printed rule on the ledger, not a mode. It stays this dark in both
     themes on purpose, so it always reads as the one interruption. */
  --x-band-bg: #0f1a14;
  --x-band-surface: #16221b;
  --x-band-border: #2a3a30;
  --x-band-text: #f4f2e9;
  --x-band-muted: #9aa79e;
  --x-band-accent: #4fc290;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #15150f;
  --surface: #1c1c14;
  --surface-2: #232319;
  --border: #35352a;
  --border-strong: #4c4b3b;
  --ink: #f1efe4;
  --muted: #a6a394;
  --accent: #45b382;
  --accent-hover: #5cc294;
  --accent-ink: #0d1c14;
  --accent-text: #5ecb98;
  --accent-strong: #7fe0b1;
  --accent-soft: #1f3b2c;
  --accent-border: #2e5843;
  --success: #45b382;
  --success-ink: #0d1c14;
  --success-soft: #1f3b2c;
  --success-strong: #7fe0b1;
  --warning: #d9973f;
  --warning-ink: #241505;
  --warning-soft: #3a2a15;
  --warning-strong: #f0bb79;
  --danger: #cf7268;
  --danger-ink: #241010;
  --danger-soft: #3a201c;
  --danger-strong: #f0a89f;
  --chart-1: #45b382;
  --chart-2: #c9a15a;
  --chart-3: #6fa8c0;
  --chart-4: #c9827a;
  --chart-5: #9a9ac9;
  --chart-6: #b8b39f;

  --x-band-bg: #0b120e;
  --x-band-surface: #121b15;
  --x-band-border: #263329;
  --x-band-text: #f4f2e9;
  --x-band-muted: #93a099;
  --x-band-accent: #4fc290;
}

/*
 * app.css — Fulcrum's own screens: the wordmark, the typing cursor, the
 * ledger comparison table, and the dashboard mockup inside the dark band.
 * Tokens only; the primitives themselves are customised in
 * tailwind/components.css.
 */

/* ---- Wordmark ------------------------------------------------------- */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: var(--display-tracking);
  color: var(--ink);
}
.wordmark:hover { text-decoration: none; }
.wordmark-dot { display: inline-block; width: 0.6rem; height: 0.6rem; background: var(--accent); }

/* ---- Hero typewriter --------------------------------------------------
   The headline's full text is always in the markup (no-JS and search
   engines read it complete); app.js only clears and retypes it once on
   load, so the animation is a bonus, never a requirement. */
@keyframes caret-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.type-cursor {
  display: inline-block;
  width: 0.08em;
  height: 0.8em;
  margin-left: 0.06em;
  background: var(--accent);
  vertical-align: -0.05em;
  animation: caret-blink 1s steps(1, end) infinite;
}
html.reduced-motion .type-cursor { animation: none; opacity: 1; }

/* ---- Ledger comparison table ------------------------------------------ */
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 1rem 1.25rem 1rem 0; text-align: left; vertical-align: top; }
.compare-table thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--caps-tracking);
  color: var(--muted);
  border-bottom: var(--border-strong-w, 1px) solid var(--border-strong);
  padding-bottom: 0.75rem;
}
.compare-table tbody th {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  padding-right: 1.5rem;
}
.compare-table tbody td { color: var(--muted); }
.compare-table tbody td.is-fulcrum { color: var(--ink); font-weight: 500; }
.compare-table tbody tr { border-bottom: var(--border-w, 1px) solid var(--border); }
.compare-table tbody tr:last-child { border-bottom: 0; }

/* ---- The dark statement band and its dashboard mockup ------------------
   A fixed print-black slab (--x-band-*), never the toggled palette — this
   band reads the same interruption in both modes. */
.band-dark { background: var(--x-band-bg); color: var(--x-band-text); }
.band-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--caps-tracking);
  color: var(--x-band-muted);
}
.mock-window { border: 1px solid var(--x-band-border); background: var(--x-band-surface); }
.mock-topbar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--x-band-border);
}
.mock-dot { width: 0.5rem; height: 0.5rem; border-radius: 9999px; background: var(--x-band-border); }
.mock-path {
  margin-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--x-band-muted);
}
.mock-body { padding: 1.25rem; }
.mock-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--x-band-border);
  border: 1px solid var(--x-band-border);
}
@media (min-width: 640px) {
  .mock-kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.mock-kpi { background: var(--x-band-surface); padding: 0.9rem 1rem; }
.mock-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--x-band-muted);
}
.mock-figure { margin-top: 0.35rem; font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--x-band-text); }
.mock-chart { margin-top: 1.25rem; }
.band-caption { font-family: var(--font-mono); font-size: 0.8rem; color: var(--x-band-muted); }
.band-figure { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--x-band-accent); }