/* =========================================================================
   IR — Industrial Raise
   DM_ Universe Codex v0.6 brand layer (2026-05-14).

   Layered on top of dm.css. Adds v0.6 tokens, the Carbon Plus typeface,
   filled status capsules, ticker strip, dark instrument footer with
   BY DM_ endorsement, and Signal Lime accent.

   Operational register: 78-85% light canvas, 10-15% dark instrument,
   3-6% signal accent, 1-3% status.
   ========================================================================= */

/* Carbon Plus — technical labels, eyebrows, source citations. */
@font-face { font-family: 'Carbon Plus'; font-weight: 300; font-style: normal; src: url('/assets/fonts/carbonplus-light-bl.otf')   format('opentype'); font-display: swap; }
@font-face { font-family: 'Carbon Plus'; font-weight: 400; font-style: normal; src: url('/assets/fonts/carbonplus-regular-bl.otf') format('opentype'); font-display: swap; }
@font-face { font-family: 'Carbon Plus'; font-weight: 700; font-style: normal; src: url('/assets/fonts/carbonplus-bold-bl.otf')    format('opentype'); font-display: swap; }

:root {
  /* v0.6 palette — universe tokens. */
  --u-ink:                  #111111;
  --u-graphite:             #1B1B1B;
  --u-charcoal:             #2B2C2B;
  --u-slate:                #6E7271;
  --u-steel:                #8B8F8D;
  --u-mist:                 #C9CBC7;
  --u-fog:                  #E5E5E5;
  --u-bone:                 #EFEFEF;
  --u-paper:                #F7F7F7;
  --u-white:                #FFFFFF;
  --u-signal:               #D7E86A;
  --u-signal-pale:          #E2EE93;
  --u-status-positive:      #4F8055;
  --u-status-positive-soft: #DEE8D2;
  --u-status-negative:      #A24B3D;
  --u-status-negative-soft: #EAD5D0;
  --u-status-warning:       #FFC247;
  --u-status-warning-soft:  #FBE6B5;
  --u-stable-soft:          #DCDCD7;

  /* Type. */
  --font-tech: 'Carbon Plus', 'IBM Plex Mono', monospace;

  /* Tracking + motion. */
  --u-tracking-meta:  0.12em;
  --u-tracking-tight: -0.02em;
  --u-ease-out:       cubic-bezier(0.2, 0, 0, 1);
}

/* Lift the page surface to neutral grey (v0.6 light canvas). */
body { background: var(--u-bone); color: var(--u-ink); }
::selection { background: var(--u-signal); color: var(--u-ink); }

/* =========================================================================
   Tech / meta labels — Carbon Plus uppercase
   ========================================================================= */

.u-tech, .u-meta, .u-eyebrow {
  font-family: var(--font-tech);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  font-weight: 400;
}
.u-meta   { font-size: 11px; color: var(--u-slate); }
.u-eyebrow { font-size: 11px; color: var(--u-ink); font-weight: 700; }

/* =========================================================================
   Top ticker strip — dark instrument band (optional, on landing)
   ========================================================================= */

.u-ticker {
  position: sticky; top: 0; z-index: 80;
  background: var(--u-ink);
  color: var(--u-bone);
  border-bottom: 1px solid var(--u-graphite);
  font-family: var(--font-tech);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  font-size: 11px;
  display: flex; align-items: center;
  height: 36px;
  overflow: hidden;
}
.u-ticker__label {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 8px;
  padding: 0 16px;
  border-right: 1px solid var(--u-graphite);
  height: 100%;
  color: var(--u-bone);
  font-weight: 700;
}
.u-ticker__rail {
  flex: 1 1 auto;
  display: flex; overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 60px, #000 calc(100% - 60px), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 60px, #000 calc(100% - 60px), transparent);
}
.u-ticker__track {
  display: flex; gap: 56px;
  white-space: nowrap;
  animation: u-crawl 100s linear infinite;
  padding-left: 56px;
}
.u-ticker__track span { color: var(--u-mist); }
.u-ticker__track b    { color: var(--u-bone); font-weight: 700; }
.u-ticker__track .sep { color: var(--u-steel); margin: 0 8px; }
.u-ticker__track .amt { color: var(--u-bone); font-weight: 700; }
@keyframes u-crawl {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.u-ticker__time {
  flex: 0 0 auto;
  padding: 0 16px;
  border-left: 1px solid var(--u-graphite);
  height: 100%;
  display: flex; align-items: center;
  color: var(--u-steel);
}
.u-live-dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--u-signal);
  box-shadow: 0 0 0 0 rgba(215, 232, 106, 0.55);
  animation: u-pulse-lime 2s ease-in-out infinite;
}
@keyframes u-pulse-lime {
  0%   { box-shadow: 0 0 0 0 rgba(215, 232, 106, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(215, 232, 106, 0); }
  100% { box-shadow: 0 0 0 0 rgba(215, 232, 106, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .u-ticker__track { animation: none; }
  .u-live-dot { animation: none; }
}

/* =========================================================================
   Masthead — sits below ticker; light bone canvas with primary nav
   in Carbon Plus uppercase. Tags onto the existing .site-header structure
   so build.py header() can keep its DOM and inherit the new look.
   ========================================================================= */

.site-header {
  background: var(--u-bone);
  background-color: rgba(239, 239, 239, 0.92);
  border-bottom: 1px solid var(--u-mist);
}
.site-header__brand { color: var(--u-ink); gap: 14px; }
.site-header__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: var(--u-tracking-tight);
  line-height: 1;
  color: var(--u-ink);
}
.site-header__tagline {
  font-family: var(--font-tech);
  font-size: 9px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  color: var(--u-slate);
  display: block;
  margin-top: 3px;
}
.site-header__nav-link {
  font-family: var(--font-tech);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  font-size: 11px;
  font-weight: 400;
  color: var(--u-slate);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--u-ease-out), border-color 200ms var(--u-ease-out);
}
.site-header__nav-link:hover { color: var(--u-ink); }
.site-header__nav-link.active { color: var(--u-ink); border-bottom-color: var(--u-ink); }

/* =========================================================================
   Status capsules — filled across the family (v0.6 rule).
   Used for tier badges, sector chips, named-target flags.
   Dot matches text colour, never the background colour family.
   ========================================================================= */

.u-cap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-tech);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: var(--u-tracking-meta);
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.u-cap .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: currentColor;
  flex: none;
}
.u-cap--signal   { background: var(--u-signal-pale);         color: var(--u-ink); }
.u-cap--positive { background: var(--u-status-positive-soft); color: #2D4A30; }
.u-cap--watch    { background: var(--u-status-warning-soft);  color: #7A5500; }
.u-cap--risk     { background: var(--u-status-negative-soft); color: #6E2F25; }
.u-cap--stable   { background: var(--u-stable-soft);          color: var(--u-charcoal); }
.u-cap--stable .dot { background: var(--u-steel); }

/* Tier variants — directory-specific, derived from the capsule family. */
.u-cap--tier-1 { background: var(--u-status-positive-soft); color: #2D4A30; }
.u-cap--tier-2 { background: var(--u-signal-pale);          color: var(--u-ink); }
.u-cap--tier-3 { background: var(--u-stable-soft);          color: var(--u-charcoal); }
.u-cap--tier-3 .dot { background: var(--u-steel); }

/* =========================================================================
   Section eyebrow above .container — Carbon Plus uppercase
   ========================================================================= */

.u-section-eye {
  display: block;
  font-family: var(--font-tech);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  font-size: 10px;
  color: var(--u-steel);
  margin-bottom: 8px;
}

/* =========================================================================
   Hero rule — signal lime tab under hero headlines
   ========================================================================= */

.u-rule {
  margin-top: 32px;
  height: 1px;
  background: var(--u-ink);
  max-width: 720px;
}

/* =========================================================================
   Buttons — signal lime variant for the single primary action per page
   ========================================================================= */

.u-btn-signal {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--u-signal);
  color: var(--u-ink);
  font-family: var(--font-tech);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: var(--u-tracking-meta);
  text-transform: uppercase;
  padding: 12px 18px;
  border-radius: 4px;
  border: 1px solid var(--u-signal);
  transition: filter 200ms var(--u-ease-out), transform 150ms var(--u-ease-out);
}
.u-btn-signal:hover  { filter: brightness(0.96); }
.u-btn-signal:active { transform: scale(0.98); }

/* =========================================================================
   Dark instrument footer with BY DM_ endorsement
   Overrides the existing .site-footer to lift into dark instrument.
   ========================================================================= */

.site-footer {
  background: var(--u-ink);
  color: var(--u-bone);
  padding: 64px 0 32px;
  margin-top: 80px;
  border-top: 0;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: var(--container);
  padding: 0 var(--space-6);
  margin: 0 auto;
}
@media (min-width: 768px) {
  .site-footer__inner { grid-template-columns: 2fr 1fr 1fr; gap: 48px; align-items: start; }
}
.site-footer__brand .site-footer__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: var(--u-tracking-tight);
  color: var(--u-bone);
}
.site-footer__brand .site-footer__tagline {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--u-mist);
  margin-top: 12px;
  max-width: 360px;
}
.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.site-footer__links a {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--u-mist);
  transition: color 200ms var(--u-ease-out);
}
.site-footer__links a:hover { color: var(--u-bone); }
.site-footer__copy {
  grid-column: 1 / -1;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--u-graphite);
  font-family: var(--font-tech);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  font-size: 10px;
  color: var(--u-steel);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer__copy a { color: var(--u-mist); }
.site-footer__copy a:hover { color: var(--u-bone); }
.site-footer__endorsement {
  font-family: var(--font-tech);
  text-transform: uppercase;
  letter-spacing: var(--u-tracking-meta);
  font-size: 10px;
  color: var(--u-steel);
}
.site-footer__endorsement b { color: var(--u-bone); font-weight: 700; }