/* Thermalhost Networks — light gray field, static thermal accent.
   No webfonts, no scripts, no external requests. */

:root {
  color-scheme: light;

  --ground: #e8e9eb;
  --ground-lift: #f4f5f6;
  --ink: #0f1216;
  --ink-soft: #666d76;
  --rule: #d0d3d7;

  /* Thermographic ramp: cold to hot. The only color in the design. */
  --t-cold: #2b1b6b;
  --t-mid: #b5179e;
  --t-warm: #f2542d;
  --t-hot: #ffb627;

  --gutter: clamp(1.5rem, 5vw, 5.5rem);
  --strip: 3.25rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  margin: 0;
}

body {
  min-height: 100svh;
  background-color: var(--ground);
  background-image: linear-gradient(
    180deg,
    var(--ground-lift) 0%,
    var(--ground) 62%
  );
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Helvetica, Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Static thermal wash: cool high corner, warm low corner. Nothing moves. */
.wash {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(
      70rem 46rem at 88% 104%,
      rgba(242, 84, 45, 0.14),
      rgba(242, 84, 45, 0) 68%
    ),
    radial-gradient(
      58rem 40rem at 4% -8%,
      rgba(43, 27, 107, 0.07),
      rgba(43, 27, 107, 0) 70%
    );
}

/* Print-like tooth so the flat gray never reads as empty. */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.038;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 140px 140px;
}

.stage {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: calc(var(--strip) + 2rem) var(--gutter) calc(var(--strip) + 3rem);
}

.lockup {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.wordmark {
  margin: 0;
  color: var(--ink);
  line-height: 0;
}

/* Outlines, not text: identical everywhere, no webfont, nothing to swap. */
.wordmark__art {
  display: block;
  width: min(90vw, 54rem);
  height: auto;
}

/* The ramp is the mark: the name's meaning, stated once, in color. */
.ramp {
  display: block;
  width: 34%;
  height: clamp(3px, 0.42vw, 5px);
  background-image: linear-gradient(
    90deg,
    var(--t-cold) 0%,
    var(--t-mid) 40%,
    var(--t-warm) 74%,
    var(--t-hot) 100%
  );
}

.instrument {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: var(--strip);
  padding: 0 var(--gutter);
  border-top: 1px solid var(--rule);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "DejaVu Sans Mono", monospace;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.145em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@media (max-width: 47.999rem) {
  .instrument {
    font-size: 0.625rem;
    letter-spacing: 0.12em;
  }
}

@media (max-width: 24rem) {
  .instrument__mark {
    font-size: 0.5625rem;
  }
}
