:root {
  --stm-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --stm-surface: color-mix(in srgb, var(--card-bg) 92%, rgba(0, 0, 0, 0.2) 8%);
  --stm-surface-2: color-mix(in srgb, var(--card-bg) 82%, rgba(0, 0, 0, 0.28) 18%);
  --stm-border: color-mix(in srgb, var(--accent-color) 30%, transparent 70%);
  --stm-border-soft: color-mix(in srgb, #b7c7e5 20%, transparent 80%);
  --stm-warn: #ff3b5c;
  --stm-good: #00d084;
  --stm-cyan: #00e4ff;
}

/* Page tone: keep your design system, shift toward "technical dark" */
body.stm-page {
  background:
    radial-gradient(900px 600px at 60% 20%, rgba(0, 228, 255, 0.12), transparent 60%),
    radial-gradient(1000px 700px at 20% 85%, rgba(110, 168, 255, 0.10), transparent 60%),
    var(--bg-color);
  position: relative;
}

/* Tensor field visualization - 3D embedding space with connecting vectors */
body.stm-page::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.42;
  background-image:
    /* Connection vectors (lines between embedding points) - THICKER AND MORE VISIBLE */
    linear-gradient(125deg, transparent 0%, transparent 14.5%, rgba(0, 228, 255, 0.5) 15%, rgba(0, 228, 255, 0.6) 15.5%, rgba(0, 228, 255, 0.5) 16%, transparent 16.5%),
    linear-gradient(68deg, transparent 0%, transparent 31.5%, rgba(110, 168, 255, 0.45) 32%, rgba(110, 168, 255, 0.55) 32.5%, rgba(110, 168, 255, 0.45) 33%, transparent 33.5%),
    linear-gradient(155deg, transparent 0%, transparent 44.5%, rgba(0, 228, 255, 0.4) 45%, rgba(0, 228, 255, 0.5) 45.4%, rgba(0, 228, 255, 0.4) 45.8%, transparent 46.3%),
    linear-gradient(92deg, transparent 0%, transparent 57.5%, rgba(183, 199, 229, 0.38) 58%, rgba(183, 199, 229, 0.48) 58.4%, rgba(183, 199, 229, 0.38) 58.8%, transparent 59.3%),
    linear-gradient(140deg, transparent 0%, transparent 24.5%, rgba(110, 168, 255, 0.48) 25%, rgba(110, 168, 255, 0.58) 25.5%, rgba(110, 168, 255, 0.48) 26%, transparent 26.5%),
    linear-gradient(78deg, transparent 0%, transparent 61.5%, rgba(0, 228, 255, 0.45) 62%, rgba(0, 228, 255, 0.55) 62.4%, rgba(0, 228, 255, 0.45) 62.8%, transparent 63.3%),
    linear-gradient(105deg, transparent 0%, transparent 17.5%, rgba(183, 199, 229, 0.4) 18%, rgba(183, 199, 229, 0.5) 18.4%, rgba(183, 199, 229, 0.4) 18.8%, transparent 19.3%),
    linear-gradient(165deg, transparent 0%, transparent 81.5%, rgba(110, 168, 255, 0.42) 82%, rgba(110, 168, 255, 0.52) 82.4%, rgba(110, 168, 255, 0.42) 82.8%, transparent 83.3%),
    /* Embedding points (nodes in semantic space) */
    radial-gradient(circle at 15% 25%, rgba(0, 228, 255, 1) 2.5px, rgba(0, 228, 255, 0.4) 4px, transparent 12px),
    radial-gradient(circle at 35% 18%, rgba(110, 168, 255, 0.85) 2px, rgba(110, 168, 255, 0.3) 3.5px, transparent 10px),
    radial-gradient(circle at 52% 32%, rgba(0, 228, 255, 0.95) 3px, rgba(0, 228, 255, 0.35) 5px, transparent 14px),
    radial-gradient(circle at 68% 22%, rgba(183, 199, 229, 0.8) 2.2px, rgba(183, 199, 229, 0.25) 4px, transparent 11px),
    radial-gradient(circle at 82% 28%, rgba(0, 228, 255, 0.9) 2.5px, rgba(0, 228, 255, 0.3) 4.5px, transparent 13px),
    radial-gradient(circle at 25% 55%, rgba(110, 168, 255, 0.85) 2px, rgba(110, 168, 255, 0.3) 3.5px, transparent 10px),
    radial-gradient(circle at 45% 62%, rgba(0, 228, 255, 1) 3px, rgba(0, 228, 255, 0.4) 5.5px, transparent 15px),
    radial-gradient(circle at 62% 58%, rgba(183, 199, 229, 0.85) 2.3px, rgba(183, 199, 229, 0.3) 4.2px, transparent 12px),
    radial-gradient(circle at 78% 65%, rgba(110, 168, 255, 0.8) 2px, rgba(110, 168, 255, 0.28) 3.5px, transparent 10px),
    radial-gradient(circle at 18% 82%, rgba(0, 228, 255, 0.9) 2.5px, rgba(0, 228, 255, 0.35) 4.5px, transparent 13px),
    radial-gradient(circle at 38% 88%, rgba(183, 199, 229, 0.75) 2.2px, rgba(183, 199, 229, 0.25) 4px, transparent 11px),
    radial-gradient(circle at 58% 85%, rgba(110, 168, 255, 0.95) 3px, rgba(110, 168, 255, 0.4) 5.5px, transparent 15px),
    radial-gradient(circle at 72% 78%, rgba(0, 228, 255, 0.85) 2px, rgba(0, 228, 255, 0.3) 3.8px, transparent 11px),
    radial-gradient(circle at 88% 82%, rgba(183, 199, 229, 0.9) 2.5px, rgba(183, 199, 229, 0.32) 4.5px, transparent 12px);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  animation: tensorDrift 45s ease-in-out infinite;
}

@keyframes tensorDrift {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(1.2%, -0.8%) scale(1.015);
  }
  50% {
    transform: translate(-0.9%, 1.1%) scale(0.99);
  }
  75% {
    transform: translate(1%, 0.6%) scale(1.01);
  }
}

/* Add a second layer for dimensional grid lines (tensor rank structure) */
body.stm-page::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    /* Dimensional axes - representing tensor rank (MORE GRIDLINES) */
    /* Vertical lines */
    linear-gradient(90deg, transparent 0%, transparent 20%, rgba(0, 228, 255, 0.2) 20%, rgba(0, 228, 255, 0.2) 20.12%, transparent 20.12%, transparent 100%),
    linear-gradient(90deg, transparent 0%, transparent 33%, rgba(110, 168, 255, 0.25) 33%, rgba(110, 168, 255, 0.25) 33.15%, transparent 33.15%, transparent 100%),
    linear-gradient(90deg, transparent 0%, transparent 50%, rgba(0, 228, 255, 0.18) 50%, rgba(0, 228, 255, 0.18) 50.12%, transparent 50.12%, transparent 100%),
    linear-gradient(90deg, transparent 0%, transparent 67%, rgba(183, 199, 229, 0.22) 67%, rgba(183, 199, 229, 0.22) 67.12%, transparent 67.12%, transparent 100%),
    linear-gradient(90deg, transparent 0%, transparent 80%, rgba(110, 168, 255, 0.2) 80%, rgba(110, 168, 255, 0.2) 80.12%, transparent 80.12%, transparent 100%),
    /* Horizontal lines */
    linear-gradient(0deg, transparent 0%, transparent 15%, rgba(183, 199, 229, 0.18) 15%, rgba(183, 199, 229, 0.18) 15.12%, transparent 15.12%, transparent 100%),
    linear-gradient(0deg, transparent 0%, transparent 28%, rgba(0, 228, 255, 0.22) 28%, rgba(0, 228, 255, 0.22) 28.12%, transparent 28.12%, transparent 100%),
    linear-gradient(0deg, transparent 0%, transparent 45%, rgba(110, 168, 255, 0.2) 45%, rgba(110, 168, 255, 0.2) 45.12%, transparent 45.12%, transparent 100%),
    linear-gradient(0deg, transparent 0%, transparent 58%, rgba(0, 228, 255, 0.18) 58%, rgba(0, 228, 255, 0.18) 58.12%, transparent 58.12%, transparent 100%),
    linear-gradient(0deg, transparent 0%, transparent 72%, rgba(183, 199, 229, 0.25) 72%, rgba(183, 199, 229, 0.25) 72.15%, transparent 72.15%, transparent 100%),
    linear-gradient(0deg, transparent 0%, transparent 85%, rgba(110, 168, 255, 0.2) 85%, rgba(110, 168, 255, 0.2) 85.12%, transparent 85.12%, transparent 100%);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  animation: tensorGrid 35s ease-in-out infinite;
}

@keyframes tensorGrid {
  0%, 100% {
    opacity: 0.12;
    transform: translate(0, 0);
  }
  33% {
    opacity: 0.18;
    transform: translate(0.5%, -0.3%);
  }
  66% {
    opacity: 0.10;
    transform: translate(-0.4%, 0.5%);
  }
}

/* Ensure content stays above the background */
body.stm-page > * {
  position: relative;
  z-index: 1;
}

/* Sticky header for STM page */
body.stm-page .site-header {
  position: sticky;
  top: clamp(1.5rem, 5vw, 3rem);
  z-index: 100;
  background: color-mix(in srgb, var(--card-bg) 92%, rgba(0, 0, 0, 0.3) 8%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--stm-border-soft);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Active section indicator in navigation */
body.stm-page .primary-nav a {
  position: relative;
  transition: color 0.2s ease;
}

body.stm-page .primary-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--stm-cyan);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

body.stm-page .primary-nav a:hover::after,
body.stm-page .primary-nav a.active::after {
  transform: scaleX(1);
}

body.stm-page .primary-nav a.active {
  color: var(--stm-cyan);
}

.stm-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--layer-radius-pill);
  border: 1px solid var(--stm-border);
  background: color-mix(in srgb, var(--card-bg) 65%, rgba(2, 10, 20, 0.55) 35%);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: color-mix(in srgb, var(--text-color) 92%, #7aa9ff 8%);
  width: fit-content;
}

.stm-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--stm-cyan);
  box-shadow: 0 0 0 6px rgba(0, 228, 255, 0.12), 0 0 22px rgba(0, 228, 255, 0.45);
}

.stm-hero {
  background: var(--card-bg);
  border-radius: var(--layer-radius-2xl);
  padding: clamp(2.25rem, 6vw, 3.75rem);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.stm-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.75rem);
  grid-template-columns: 1.05fr 0.95fr;
  align-items: start;
}

.stm-hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.35rem);
  margin: 0.9rem 0 0.75rem;
  letter-spacing: -0.03em;
}

.stm-subhead {
  margin: 0 0 1.6rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

.stm-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.5rem 0 1.65rem;
}

.stm-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.stm-stat {
  border: 1px solid var(--stm-border-soft);
  border-radius: var(--layer-radius-md);
  padding: 0.85rem 0.9rem;
  background: color-mix(in srgb, var(--card-bg) 86%, rgba(0, 0, 0, 0.18) 14%);
  box-shadow: 0 12px 26px color-mix(in srgb, var(--shadow-color) 65%, transparent 35%);
}

.stm-stat__k {
  font-family: var(--stm-mono);
  font-size: 0.78rem;
  opacity: 0.85;
  letter-spacing: 0.02em;
}

.stm-stat__v {
  margin-top: 0.4rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.stm-visual-card {
  border-radius: var(--layer-radius-xl);
  background: rgba(12, 16, 24, 0.62);
  border: 1px solid color-mix(in srgb, var(--stm-cyan) 25%, transparent 75%);
  overflow: hidden;
  box-shadow: var(--layer-shadow-strong);
}

.stm-visual-card__top {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  justify-content: flex-start;
  padding: 0.85rem 1rem 0.25rem;
}

.stm-visual-pill {
  font-family: var(--stm-mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(183, 199, 229, 0.25);
  color: rgba(236, 246, 255, 0.92);
  background: rgba(10, 14, 20, 0.42);
}

.stm-visual-pill--warn {
  border-color: rgba(255, 59, 92, 0.45);
  color: rgba(255, 176, 189, 0.95);
  background: rgba(255, 59, 92, 0.08);
}

.stm-trajectory {
  display: block;
  width: 100%;
  height: auto;
}

.stm-visual-card__footer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.9rem 1rem 1rem;
  background: rgba(0, 0, 0, 0.28);
  border-top: 1px solid rgba(183, 199, 229, 0.14);
}

.stm-mini__k {
  font-family: var(--stm-mono);
  font-size: 0.74rem;
  opacity: 0.85;
}

.stm-mini__v {
  font-weight: 800;
  margin-top: 0.25rem;
}

.stm-mini__v--warn {
  color: rgba(255, 176, 189, 0.95);
}

.stm-code-peek {
  margin-top: 1rem;
  border-radius: var(--layer-radius-xl);
  background: rgba(8, 10, 14, 0.7);
  border: 1px solid rgba(110, 168, 255, 0.25);
  padding: 0.85rem 1rem 1rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.stm-code-peek__title {
  font-family: var(--stm-mono);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 0.55rem;
  opacity: 0.95;
}

.stm-code-peek pre {
  margin: 0;
  overflow-x: auto;
}

.stm-code-peek code {
  font-family: var(--stm-mono);
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(236, 246, 255, 0.95);
}

.stm-section {
  background: var(--card-bg);
  border-radius: var(--layer-radius-2xl);
  padding: clamp(2.1rem, 5.5vw, 3.25rem);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.stm-section__header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  letter-spacing: -0.02em;
}

.stm-section__header p {
  margin: 0;
  font-size: 1.05rem;
}

.stm-grid3 {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.stm-grid2 {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stm-card {
  background: color-mix(in srgb, var(--card-bg) 86%, rgba(0, 0, 0, 0.18) 14%);
  border-radius: var(--layer-radius-xl);
  border: 1px solid var(--stm-border-soft);
  padding: 1.25rem 1.3rem;
  box-shadow: 0 12px 26px color-mix(in srgb, var(--shadow-color) 70%, transparent 30%);
}

.stm-card--tight {
  padding: 1.05rem 1.1rem;
}

.stm-card--full-width {
  margin-top: 1rem;
}

.stm-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--text-color) 82%, #5f93e5 18%);
}

.stm-card p {
  margin: 0 0 0.9rem;
  font-size: 0.98rem;
}

.stm-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.4rem;
}

.stm-how {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  align-items: start;
}

.stm-how__diagram {
  border-radius: var(--layer-radius-xl);
  border: 1px solid var(--stm-border-soft);
  background: rgba(10, 14, 20, 0.52);
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.85rem;
  align-items: center;
}

.stm-node {
  border-radius: var(--layer-radius-lg);
  border: 1px solid rgba(183, 199, 229, 0.22);
  background: rgba(0, 0, 0, 0.22);
  padding: 0.95rem 1rem;
}

.stm-node__label {
  font-family: var(--stm-mono);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.9;
}

.stm-node__payload {
  margin-top: 0.55rem;
  font-size: 0.96rem;
  line-height: 1.5;
}

.stm-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(110, 168, 255, 0.25);
  background: rgba(110, 168, 255, 0.10);
  margin-right: 0.35rem;
  font-family: var(--stm-mono);
  font-size: 0.8rem;
}

.stm-chip--warn {
  border-color: rgba(255, 59, 92, 0.35);
  background: rgba(255, 59, 92, 0.10);
}

.stm-arrow {
  width: 28px;
  height: 100%;
  display: grid;
  gap: 0.25rem;
  align-content: center;
  justify-items: center;
  opacity: 0.65;
}

.stm-arrow span {
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 228, 255, 0.0), rgba(0, 228, 255, 0.85));
  border-radius: 999px;
}

.stm-bullets {
  display: grid;
  gap: 0.75rem;
}

.stm-bullet {
  border-radius: var(--layer-radius-xl);
  border: 1px solid var(--stm-border-soft);
  background: color-mix(in srgb, var(--card-bg) 86%, rgba(0, 0, 0, 0.22) 14%);
  padding: 1.05rem 1.1rem;
}

.stm-bullet h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.stm-bullet p {
  margin: 0;
  font-size: 0.98rem;
}

.stm-arch {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.stm-codeblock pre {
  margin: 0;
  overflow-x: auto;
  background: rgba(8, 10, 14, 0.65);
  border: 1px solid rgba(110, 168, 255, 0.25);
  border-radius: var(--layer-radius-lg);
  padding: 0.85rem 0.95rem;
}

.stm-codeblock code {
  font-family: var(--stm-mono);
  font-size: 0.86rem;
  color: rgba(236, 246, 255, 0.95);
}

.stm-caption {
  margin-top: 0.85rem;
  font-size: 0.92rem;
  opacity: 0.9;
}

.stm-callout {
  margin-top: 1.25rem;
  border-radius: var(--layer-radius-xl);
  border: 1px solid rgba(0, 228, 255, 0.25);
  background: rgba(0, 228, 255, 0.06);
  padding: 1.05rem 1.1rem;
  display: grid;
  gap: 0.35rem;
}

.stm-callout__title {
  font-family: var(--stm-mono);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}

.stm-ms {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
  align-items: start;
}

.stm-codepanel {
  border-radius: var(--layer-radius-2xl);
  border: 1px solid rgba(110, 168, 255, 0.25);
  background: rgba(8, 10, 14, 0.66);
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.4);
}

.stm-codepanel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(183, 199, 229, 0.14);
  background: rgba(0, 0, 0, 0.22);
}

.stm-codepanel__title {
  font-family: var(--stm-mono);
  font-weight: 900;
  letter-spacing: 0.02em;
}

.stm-codepanel__meta {
  font-family: var(--stm-mono);
  font-size: 0.85rem;
  opacity: 0.85;
}

.stm-codepanel pre {
  margin: 0;
  padding: 1rem 1rem 1.1rem;
  overflow-x: auto;
}

.stm-codepanel code {
  font-family: var(--stm-mono);
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(236, 246, 255, 0.95);
}

.stm-featuregrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.stm-tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.stm-tag {
  font-family: var(--stm-mono);
  font-size: 0.78rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(183, 199, 229, 0.18);
  background: rgba(183, 199, 229, 0.08);
}

.stm-artifacts {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stm-artifact {
  margin: 0;
}

.stm-artifact__frame {
  border-radius: var(--layer-radius-2xl);
  border: 1px solid rgba(110, 168, 255, 0.25);
  background: rgba(8, 10, 14, 0.60);
  overflow: hidden;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
}

.stm-artifact figcaption {
  margin-top: 0.8rem;
  font-size: 0.98rem;
  line-height: 1.55;
}

.stm-sample-link {
  display: inline-flex;
  align-items: center;
  margin-top: 0.6rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--layer-radius-md);
  border: 1px solid rgba(0, 228, 255, 0.35);
  background: rgba(0, 228, 255, 0.08);
  color: rgba(0, 228, 255, 0.95);
  font-family: var(--stm-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: all 0.2s ease;
}

.stm-sample-link:hover {
  background: rgba(0, 228, 255, 0.15);
  border-color: rgba(0, 228, 255, 0.55);
  transform: translateX(2px);
}

.stm-report__bar {
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(183, 199, 229, 0.14);
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--stm-mono);
  font-weight: 800;
}

.stm-report__pill {
  border: 1px solid rgba(110, 168, 255, 0.35);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  background: rgba(110, 168, 255, 0.10);
}

.stm-report__pill--warn {
  border-color: rgba(255, 59, 92, 0.35);
  background: rgba(255, 59, 92, 0.10);
}

.stm-report__body {
  padding: 1rem;
}

.stm-report__row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.stm-report__k {
  font-family: var(--stm-mono);
  opacity: 0.85;
}

.stm-report__v {
  opacity: 0.95;
}

.stm-heat {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.35rem;
}

.stm-heat span {
  height: 10px;
  border-radius: 999px;
}

.stm-heat__good { background: rgba(0, 208, 132, 0.38); }
.stm-heat__warn { background: rgba(255, 183, 94, 0.40); }
.stm-heat__bad  { background: rgba(255, 59, 92, 0.42); }

.stm-report__note {
  margin-top: 0.85rem;
  font-family: var(--stm-mono);
  font-size: 0.82rem;
  opacity: 0.8;
}

.stm-alert {
  border-radius: var(--layer-radius-xl);
  border: 1px solid rgba(255, 59, 92, 0.35);
  background: rgba(255, 59, 92, 0.08);
  padding: 0.95rem 1rem;
}

.stm-alert__title {
  font-family: var(--stm-mono);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.stm-alert__desc {
  opacity: 0.95;
}

.stm-metrics {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.stm-metric {
  border-radius: var(--layer-radius-lg);
  border: 1px solid rgba(183, 199, 229, 0.18);
  background: rgba(183, 199, 229, 0.08);
  padding: 0.65rem 0.75rem;
  font-family: var(--stm-mono);
}

.stm-metric span {
  opacity: 0.8;
  font-size: 0.78rem;
}

.stm-metric strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.05rem;
}

.stm-warn {
  color: rgba(255, 176, 189, 0.98);
}

.stm-spark {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.35rem;
  align-items: end;
  height: 34px;
}

.stm-spark span {
  display: block;
  height: 14px;
  border-radius: 8px;
  background: rgba(110, 168, 255, 0.25);
}

.stm-spark span:nth-child(2) { height: 18px; }
.stm-spark span:nth-child(3) { height: 10px; }
.stm-spark span:nth-child(4) { height: 30px; }
.stm-spark span:nth-child(5) { height: 16px; }
.stm-spark span:nth-child(6) { height: 22px; }

.stm-spark--warn {
  background: rgba(255, 59, 92, 0.35) !important;
}

.stm-cta-strip {
  margin-top: 1.25rem;
  border-radius: var(--layer-radius-2xl);
  border: 1px solid rgba(0, 228, 255, 0.25);
  background: rgba(0, 228, 255, 0.06);
  padding: 1.15rem 1.25rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.stm-cta-strip__title {
  font-weight: 900;
  letter-spacing: -0.01em;
  margin-bottom: 0.2rem;
}

.stm-cta-strip__copy {
  opacity: 0.9;
}

.stm-section--footer {
  border: 1px solid rgba(110, 168, 255, 0.18);
}

.stm-footer {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}

.stm-footer__card {
  border-radius: var(--layer-radius-2xl);
  border: 1px solid rgba(183, 199, 229, 0.18);
  background: rgba(8, 10, 14, 0.22);
  padding: 1.2rem 1.25rem;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.32);
}

.stm-footer__card--mono {
  font-family: var(--stm-mono);
}

.stm-footer__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.stm-divider {
  height: 1px;
  background: rgba(183, 199, 229, 0.18);
  margin: 1rem 0;
}

.stm-ol {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
}

.stm-fineprint {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  opacity: 0.85;
}

/* Responsive */
@media (max-width: 980px) {
  .stm-hero__grid,
  .stm-how,
  .stm-ms,
  .stm-footer {
    grid-template-columns: 1fr;
  }

  .stm-hero__meta {
    grid-template-columns: 1fr;
  }

  .stm-grid3 {
    grid-template-columns: 1fr;
  }

  .stm-grid2 {
    grid-template-columns: 1fr;
  }

  .stm-arch {
    grid-template-columns: 1fr;
  }

  .stm-artifacts {
    grid-template-columns: 1fr;
  }

  .stm-how__diagram {
    grid-template-columns: 1fr;
  }

  .stm-arrow {
    display: none;
  }

  .stm-cta-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .stm-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .stm-footer {
    grid-template-columns: 1fr;
  }

  /* Reduce padding on mobile */
  .stm-hero,
  .stm-section {
    padding: clamp(2rem, 5vw, 2.5rem);
  }

  /* Better code block handling on mobile */
  .stm-codeblock pre,
  .stm-codepanel pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .stm-codeblock code,
  .stm-codepanel code {
    font-size: 0.75rem;
    line-height: 1.4;
    word-break: break-all;
    white-space: pre-wrap;
  }

  /* Navigation mobile adjustments */
  .primary-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.85rem;
  }

  /* Hero text adjustments */
  .stm-hero h1 {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .stm-subhead {
    font-size: 0.95rem;
  }

  /* Card padding */
  .stm-card {
    padding: 1rem 1.1rem;
  }

  /* Footer CTA buttons stack */
  .stm-footer__cta {
    flex-direction: column;
  }

  .stm-footer__cta .cta {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  /* Extra small screens */
  .stm-hero,
  .stm-section {
    padding: 1.75rem 1.5rem;
  }

  /* Stat cards stack on very small screens */
  .stm-hero__meta {
    gap: 0.5rem;
  }

  .stm-stat {
    padding: 0.7rem 0.8rem;
  }

  .stm-stat__k,
  .stm-stat__v {
    font-size: 0.85rem;
  }

  /* Code blocks even smaller */
  .stm-codeblock code,
  .stm-codepanel code {
    font-size: 0.7rem;
  }

  /* Section headers */
  .stm-section__header h2 {
    font-size: clamp(1.35rem, 5vw, 1.75rem);
  }

  .stm-section__header p {
    font-size: 0.95rem;
  }
}