/* -----------------------------------------------------------
   Thermodynamics — Module‑Specific Overrides
   Layered on top of theory.css
   Identity: constraint‑first, free‑energy amber, fixed‑point symmetry
----------------------------------------------------------- */

body.tf-module--thermodynamics {
  /* constraint‑gradient substrate */
  background: radial-gradient(
    circle at 28% 22%,
    #120b03 0,
    #0a0703 40%,
    #000000 100%
  );
  position: relative;
}

/* state‑space grain (variation, not randomness) */
body.tf-module--thermodynamics::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  background: repeating-linear-gradient(
    165deg,
    rgba(255,255,255,0.02) 0px,
    rgba(255,255,255,0.02) 1px,
    transparent 1px,
    transparent 7px
  );
}

/* accent: free‑energy amber */
:root {
  --accent: #fbbf24;
  --accent-soft: rgba(251,191,36,0.18);
}

/* hero title uses module accent */
.tf-hero__content h1 {
  color: var(--accent);
}

/* fixed‑point symmetry (no rotation) */
.hero-glyph::after,
.brand-mark::after {
  transform: rotate(0deg);
}

/* section headers use amber accent */
.tf-section h2 {
  color: var(--accent);
}

/* operator lists: subtle amber highlight */
.tf-list code {
  background: rgba(251,191,36,0.12);
  border: 1px solid rgba(251,191,36,0.25);
  color: #fef9c3;
}