/* ============================================================
   MD3 TYPE SCALE — applied as utility classes
   These match Material Design 3 spec exactly
   ============================================================ */

.md-display-large {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(40px, 5.6vw, 57px);
  line-height: 1.12;
  letter-spacing: -0.25px;
}
.md-display-medium {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 45px);
  line-height: 1.16;
  letter-spacing: 0;
}
.md-display-small {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(28px, 3.2vw, 36px);
  line-height: 1.22;
  letter-spacing: 0;
}
.md-headline-large {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: 0;
}
.md-headline-medium {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.29;
  letter-spacing: 0;
}
.md-headline-small {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.33;
  letter-spacing: 0;
}
.md-title-large {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.27;
  letter-spacing: 0;
}
.md-title-medium {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.15px;
}
.md-title-small {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.43;
  letter-spacing: 0.1px;
}
.md-body-large {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.5px;
}
.md-body-medium {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.43;
  letter-spacing: 0.25px;
}
.md-body-small {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.33;
  letter-spacing: 0.4px;
}
.md-label-large {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 14px;
  line-height: 1.43;
  letter-spacing: 0.1px;
}
.md-label-medium {
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.33;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.md-label-small {
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ============================================================
   GLOBAL RESET + BASE
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); }
body {
  color: var(--ink);
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  letter-spacing: 0.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01" on, "ss03" on;
  overflow-x: hidden;
}
::selection { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
img, svg { display: block; max-width: 100%; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ============================================================
   MD3 STATE LAYER MIXIN
   Applied to interactive surfaces. Hover overlays at 8% on-surface.
   ============================================================ */
.state-layer {
  position: relative;
  isolation: isolate;
}
.state-layer::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
  z-index: -1;
}
.state-layer:hover::after  { opacity: var(--md-sys-state-hover-opacity); }
.state-layer:focus-visible::after { opacity: var(--md-sys-state-focus-opacity); }
.state-layer:active::after { opacity: var(--md-sys-state-pressed-opacity); }

/* ============================================================
   PRIMITIVES
   ============================================================ */
.eyebrow {
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.33;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
}
.eyebrow .num { color: var(--ink-4); }
.eyebrow .name { color: var(--ink-2); }
.eyebrow .sep::before {
  content: '———';
  color: var(--ink-5);
  letter-spacing: 0.06em;
}
.eyebrow.on-dark { color: var(--md-sys-color-on-inverse-surface-variant); }
.eyebrow.on-dark .num { color: var(--md-sys-color-on-inverse-surface-dim); }
.eyebrow.on-dark .name { color: var(--md-sys-color-on-inverse-surface); }
.eyebrow.on-dark .sep::before { color: var(--md-sys-color-on-inverse-surface-faint); }

.eyebrow .live-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
}
.eyebrow .live-mark .pip {
  width: 6px;
  height: 6px;
  flex-shrink: 0;
}
.eyebrow.on-dark .live-mark {
  color: var(--md-sys-color-inverse-primary);
}
.eyebrow.on-dark .live-mark .pip {
  background: var(--md-sys-color-inverse-primary);
}

.pip {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: var(--md-sys-shape-corner-full);
}
.pip.live { animation: breathe 3.6s var(--md-sys-motion-easing-standard) infinite; }
@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--md-sys-motion-duration-extra-long4) var(--md-sys-motion-easing-emphasized-decelerate),
    transform var(--md-sys-motion-duration-extra-long4) var(--md-sys-motion-easing-emphasized-decelerate);
}
[data-reveal].seen { opacity: 1; transform: translateY(0); }

/* ============================================================
   MASTHEAD — logo + wordmark + meta
   ============================================================ */
.masthead { padding: 32px 0 0; }
.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}
.brand-icon svg {
  width: 100%;
  height: auto;
  display: block;
}
.wordmark {
  font-family: var(--md-sys-typescale-brand-family);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1;
}

.masthead-meta {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.masthead-meta .pip { background: var(--accent); width: 6px; height: 6px; }

@media (max-width: 479px) {
  .masthead { padding-top: 22px; }
  .wordmark { font-size: 16px; }
  .brand-icon { width: 30px; height: 30px; }
  .masthead-meta .label { display: none; }
}

/* ============================================================
   §01 / HERO — short, two-column with live micro-stream
   ============================================================ */
.hero {
  padding: 120px 0 56px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 1099px) { .hero { padding: 88px 0 48px; } }
@media (max-width: 767px) { .hero { padding: 64px 0 40px; } }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 1099px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

.hero-eyebrow { margin-bottom: 32px; }

.hero-headline {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(40px, 5.6vw, 57px);
  line-height: 1.08;
  letter-spacing: -0.25px;
  color: var(--ink);
  max-width: 14ch;
  margin-bottom: 36px;
}
.hero-headline .quiet { color: var(--ink-3); font-weight: 400; }

.hero-substance {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.15px;
  color: var(--ink-2);
  max-width: 44ch;
  margin-bottom: 44px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* MD3 Filled Button — adapted */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px 16px 22px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  border-radius: var(--md-sys-shape-corner-small);
  transition:
    background-color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.cta:hover { background: #2A2823; }
.cta:active { transform: scale(0.98); }
.cta .play-tri {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 0 5px 7px;
  border-color: transparent transparent transparent var(--paper);
  margin-left: 4px;
  transition: transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.cta:hover .play-tri { transform: translateX(2px); }

.cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 12px;
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-radius: var(--md-sys-shape-corner-small);
  transition: color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
  position: relative;
}
.cta-ghost::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}
.cta-ghost:hover { color: var(--ink); }
.cta-ghost:hover::after { transform: scaleX(1); }
.cta-ghost .chevron {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 4px 0 4px;
  border-color: var(--ink-2) transparent transparent transparent;
  transition: border-color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
  animation: chevron-bounce 2.8s var(--md-sys-motion-easing-emphasized) infinite;
}
.cta-ghost:hover .chevron {
  border-top-color: var(--ink);
}
@keyframes chevron-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}
@media (prefers-reduced-motion: reduce) {
  .cta-ghost .chevron { animation: none; }
}

/* ============================================================
   HERO STREAM — two-column live telemetry
   Practice floor signals (left) · Agent actions (right)
   New rows fade in fresh from bottom; old rows drift up & out.
   ============================================================ */
.hero-stream {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  height: 480px;
  position: relative;
}
@media (max-width: 767px) {
  .hero-stream { grid-template-columns: 1fr; gap: 12px; height: 380px; }
}

.stream-col {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--md-sys-color-outline);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.stream-head {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
}
.stream-head .label {
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-decoration: underline;
  text-decoration-color: var(--ink-4);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
.stream-head .live-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
}
.stream-head .live-mark .pip {
  background: var(--accent);
  width: 5px;
  height: 5px;
  flex-shrink: 0;
}

.stream-body {
  flex: 1;
  position: relative;
  overflow: hidden;
  padding: 16px 16px 14px;
  display: flex;
  flex-direction: column;
}
.stream-body::before,
.stream-body::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 32px;
  pointer-events: none;
  z-index: 2;
}
.stream-body::before {
  top: 0;
  background: linear-gradient(180deg, var(--paper) 0%, rgba(247, 244, 237, 0) 100%);
}
.stream-body::after {
  bottom: 0;
  background: linear-gradient(0deg, var(--paper) 0%, rgba(247, 244, 237, 0) 100%);
}

.stream-rows {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0;
  flex: 1;
  min-height: 0;
}

.stream-row {
  display: grid;
  grid-template-columns: 56px 40px 1fr;
  gap: 10px;
  align-items: baseline;
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 400;
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: 0.25px;
  color: var(--ink-2);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--md-sys-motion-duration-extra-long2) var(--md-sys-motion-easing-emphasized-decelerate),
    transform var(--md-sys-motion-duration-extra-long2) var(--md-sys-motion-easing-emphasized-decelerate),
    background-color var(--md-sys-motion-duration-extra-long4) var(--md-sys-motion-easing-standard);
  padding: 5px 8px;
  margin: 0 -8px;
  border-radius: var(--md-sys-shape-corner-extra-small);
}
.stream-row.in { opacity: 1; transform: translateY(0); }
.stream-row.fresh { background: var(--accent-glow); }
.stream-row .time {
  color: var(--ink-4);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}
.stream-row .agent {
  color: var(--ink-3);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.06em;
  transition: color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}
.stream-row.fresh .agent { color: var(--accent); }
.stream-row .text {
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stream-row .text code {
  color: var(--ink);
  font-weight: 500;
}
.stream-col.floor .stream-row { grid-template-columns: 56px 1fr; }

@media (max-width: 599px) {
  .stream-row { font-size: 11px; }
  .stream-row .text { font-size: 10.5px; }
}

/* ============================================================
   FULL-BLEED LIVE TRACE — engagement pull, MD3 Extra Large radius
   ============================================================ */
.trace-section-wrap {
  padding: 0 var(--pad-x);
  margin: 28px 0 80px;
}
@media (max-width: 767px) { .trace-section-wrap { margin: 24px 0 56px; padding: 0 16px; } }

.trace-section {
  background: var(--md-sys-color-inverse-surface);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--md-sys-shape-corner-extra-large);
  max-width: 1440px;
  margin: 0 auto;
}
@media (max-width: 767px) {
  .trace-section { padding: 56px 0; border-radius: var(--md-sys-shape-corner-large); }
}

.trace-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(236,234,227,0.012) 2px, rgba(236,234,227,0.012) 3px);
  pointer-events: none;
  border-radius: inherit;
  z-index: 0;
}

/* ============================================================
   MOTION BACKGROUND — iTero-inspired mesh capture aesthetic
   Point cloud + flickering mesh edges + slow scan sweep
   Pure SVG, GPU-accelerated, zero JS overhead.
   ============================================================ */
.motion-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
  z-index: 0;
}
.motion-bg svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Point cloud — vertices of a 3D mesh capture */
.motion-bg .mesh circle {
  fill: var(--md-sys-color-on-inverse-surface);
}
.motion-bg .mesh circle.accent {
  fill: var(--md-sys-color-inverse-primary);
}
/* Mesh edges — connecting lines that flicker like a scanner detecting topology */
.motion-bg .mesh line {
  stroke: var(--md-sys-color-on-inverse-surface);
}

/* Scan sweep — a faint vertical band that traverses the surface,
   evoking a wand sweeping across teeth. Two stops: a soft brighter
   band passing across an otherwise dark field. */
.motion-bg .scan-sweep {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      transparent 0%,
      transparent 38%,
      rgba(232, 227, 213, 0.020) 48%,
      rgba(232, 227, 213, 0.035) 50%,
      rgba(232, 227, 213, 0.020) 52%,
      transparent 62%,
      transparent 100%);
  background-size: 200% 100%;
  background-position: -100% 0;
  animation: scan-sweep 38s linear infinite;
  pointer-events: none;
  z-index: 0;
}
@keyframes scan-sweep {
  0%   { background-position: -100% 0; }
  100% { background-position: 100% 0; }
}

/* Footer variant — quieter */
.footer .motion-bg .scan-sweep { animation-duration: 64s; opacity: 0.65; }

/* Mobile — hide mesh (scaling artifacts), keep only the soft scan sweep */
@media (max-width: 767px) {
  .motion-bg .mesh { display: none; }
}

/* Content above motion bg */
.trace-section > .container-wide { z-index: 1; }
.footer .container { position: relative; z-index: 1; }

@media (prefers-reduced-motion: reduce) {
  .motion-bg .scan-sweep { animation: none; opacity: 0; }
  .motion-bg .mesh circle, .motion-bg .mesh line { animation: none !important; }
}

.trace-section > .container-wide { position: relative; padding: 0 48px; }
@media (max-width: 767px) { .trace-section > .container-wide { padding: 0 24px; } }

.trace-eyebrow { margin-bottom: 36px; }

.trace-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: end;
  margin-bottom: 56px;
  color: var(--md-sys-color-on-inverse-surface);
}
@media (max-width: 767px) {
  .trace-head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; }
}

.trace-title {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 45px);
  line-height: 1.1;
  letter-spacing: 0;
  color: var(--md-sys-color-on-inverse-surface);
  max-width: 22ch;
}
.trace-title .quiet {
  color: var(--md-sys-color-on-inverse-surface-variant);
  font-weight: 400;
}

.trace-counter {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  font-weight: 500;
  color: var(--md-sys-color-on-inverse-surface-variant);
  text-align: right;
  letter-spacing: 0.04em;
}
.trace-counter .of { color: var(--md-sys-color-on-inverse-surface-dim); }
.trace-counter .label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--md-sys-color-on-inverse-surface-dim);
  margin-bottom: 6px;
}
@media (max-width: 767px) { .trace-counter { text-align: left; } }

.trace-entity {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0;
  color: var(--md-sys-color-on-inverse-surface);
  margin-bottom: 24px;
  transition: opacity var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-standard);
  min-height: 32px;
}
.trace-entity.fading { opacity: 0; }
.trace-entity .label {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--md-sys-color-on-inverse-surface-dim);
  margin-right: 14px;
  font-weight: 500;
}

.trace-flow {
  position: relative;
  background: var(--md-sys-color-inverse-surface-2);
  border: 1px solid var(--md-sys-color-inverse-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 56px 32px 40px;
  margin-bottom: 32px;
  overflow: hidden;
}
@media (max-width: 767px) { .trace-flow { padding: 32px 18px 24px; } }

.trace-stations {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  position: relative;
  z-index: 2;
}
@media (max-width: 767px) {
  .trace-stations { grid-template-columns: repeat(3, 1fr); gap: 16px 8px; }
}

.station {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 0 4px;
  position: relative;
}

.station-node {
  width: 56px; height: 56px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-inverse-surface);
  border: 1px solid var(--md-sys-color-inverse-outline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  font-weight: 600;
  color: var(--md-sys-color-on-inverse-surface-variant);
  letter-spacing: 0.04em;
  transition: all var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-emphasized);
  position: relative;
  z-index: 2;
}
@media (max-width: 767px) {
  .station-node { width: 48px; height: 48px; font-size: 12px; }
}
.station.complete .station-node {
  border-color: var(--md-sys-color-on-inverse-surface-dim);
  color: var(--md-sys-color-on-inverse-surface);
}
.station.active .station-node {
  border-color: var(--md-sys-color-inverse-primary);
  color: var(--md-sys-color-on-inverse-surface);
  box-shadow:
    0 0 0 4px rgba(229, 90, 56, 0.12),
    0 0 24px rgba(229, 90, 56, 0.20);
}
.station.active .station-node::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: var(--md-sys-shape-corner-full);
  border: 1px solid var(--md-sys-color-inverse-primary);
  opacity: 0.4;
  animation: ring-pulse 2s var(--md-sys-motion-easing-standard) infinite;
}
@keyframes ring-pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  100% { transform: scale(1.25); opacity: 0; }
}

.station-label {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--md-sys-color-on-inverse-surface-faint);
  text-align: center;
  line-height: 1.3;
  transition: color var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-standard);
  min-height: 26px;
}
.station.complete .station-label { color: var(--md-sys-color-on-inverse-surface-dim); }
.station.active .station-label { color: var(--md-sys-color-on-inverse-surface); }

.station-action {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  color: var(--md-sys-color-on-inverse-surface-dim);
  text-align: center;
  line-height: 1.4;
  letter-spacing: 0.25px;
  min-height: 30px;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-standard),
    transform var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-standard);
}
.station.complete .station-action,
.station.active .station-action {
  opacity: 1;
  transform: translateY(0);
}
.station.active .station-action { color: var(--md-sys-color-on-inverse-surface); }
.station-action code {
  font-family: var(--md-sys-typescale-mono-family);
  color: var(--md-sys-color-on-inverse-surface);
  font-weight: 600;
}
@media (max-width: 767px) {
  .station-action { font-size: 10px; min-height: 24px; }
}

.trace-line {
  position: absolute;
  top: 28px;
  left: 0; right: 0;
  height: 1px;
  background: var(--md-sys-color-inverse-outline-variant);
  z-index: 1;
}

.trace-progress {
  position: absolute;
  top: 28px;
  left: 0;
  height: 1px;
  background: var(--md-sys-color-inverse-primary);
  width: 0;
  transition: width var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-emphasized);
  z-index: 1;
  box-shadow: 0 0 8px rgba(229, 90, 56, 0.4);
}

/* When stations wrap to multiple rows below 767px, the horizontal connector
   line + progress bar no longer represent linear progression through the
   trace. Hide both — the active station's accent ring already conveys
   "current step" without the connecting line. */
@media (max-width: 767px) {
  .trace-line, .trace-progress { display: none; }
}

.trace-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  color: var(--md-sys-color-on-inverse-surface-variant);
  letter-spacing: 0.25px;
  line-height: 1.55;
}
.trace-foot .caption { max-width: 56ch; }
.trace-foot .caption .em { color: var(--md-sys-color-on-inverse-surface); font-weight: 600; }
.trace-foot .indicators { display: flex; gap: 8px; }
.trace-foot .indicator {
  width: 24px; height: 2px;
  background: var(--md-sys-color-on-inverse-surface-faint);
  transition: background var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-standard);
  cursor: pointer;
  border-radius: var(--md-sys-shape-corner-extra-small);
}
.trace-foot .indicator.active { background: var(--md-sys-color-inverse-primary); }
.trace-foot .indicator.complete { background: var(--md-sys-color-on-inverse-surface-dim); }
@media (max-width: 767px) { .trace-foot { grid-template-columns: 1fr; gap: 14px; } }

/* ============================================================
   SECTION RHYTHM
   ============================================================ */
.sec { padding: var(--space-section) 0; }
.sec + .sec { border-top: 1px solid var(--rule-soft); }
.sec-eyebrow { margin-bottom: 56px; }
@media (max-width: 767px) { .sec-eyebrow { margin-bottom: 40px; } }

.sec-title {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 45px);
  line-height: 1.16;
  letter-spacing: 0;
  color: var(--ink);
  max-width: 22ch;
  margin-bottom: 32px;
}
.sec-title .quiet { color: var(--ink-3); font-weight: 400; }
.sec-title .accent { color: var(--accent); }

.sec-lede {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.15px;
  color: var(--ink-3);
  max-width: 56ch;
  margin-bottom: var(--space-stanza);
}

/* ============================================================
   §02 / WHAT IT DOES — featured agent + tile grid
   ============================================================ */
.agents-showcase { margin-top: 24px; }

.featured {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 0;
  border: 1px solid var(--md-sys-color-outline);
  background: var(--paper);
  margin-bottom: 24px;
  min-height: 480px;
  position: relative;
  border-radius: var(--md-sys-shape-corner-large);
  overflow: hidden;
}
@media (max-width: 899px) {
  .featured { grid-template-columns: 1fr; min-height: 0; }
}

.featured-left {
  padding: 36px 36px 28px;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  position: relative;
}
@media (max-width: 899px) {
  .featured-left { border-right: 0; border-bottom: 1px solid var(--rule); padding: 28px 24px; }
}

.featured-meta {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.featured-meta .ix { color: var(--accent); font-weight: 600; }
.featured-meta .of { color: var(--ink-5); }

.featured-code {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 600;
  font-size: clamp(72px, 12vw, 140px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin-bottom: 16px;
  transition: color var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-emphasized);
  font-variant-numeric: tabular-nums;
}
.featured-code.swapping { color: var(--accent); }

.featured-name {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.29;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 12px;
  transition: opacity var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-standard);
}
.featured-name.fading { opacity: 0; }

.featured-desc {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.5px;
  color: var(--ink-3);
  margin-bottom: 28px;
  max-width: 38ch;
  transition: opacity var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-standard);
}
.featured-desc.fading { opacity: 0; }

/* When the featured agent rotates on mobile, descriptions of different
   lengths would re-flow the panel height and push the rest of the page
   up/down. Reserve space for the longest description so the surrounding
   layout stays stable across the rotation cycle. */
@media (max-width: 899px) {
  .featured-desc {
    max-width: none;
    min-height: calc(1.5em * 5);
  }
}

.featured-bridge {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bridge-line {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: baseline;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.25px;
  transition: opacity var(--md-sys-motion-duration-medium4) var(--md-sys-motion-easing-standard);
}
.bridge-line.fading { opacity: 0; }
.bridge-line .label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.bridge-line .text { color: var(--ink-2); }
.bridge-line .text code {
  font-family: var(--md-sys-typescale-mono-family);
  color: var(--ink);
  font-weight: 600;
  background: var(--paper-2);
  padding: 1px 6px;
  border-radius: var(--md-sys-shape-corner-extra-small);
}
.bridge-line.in .label { color: var(--accent); }
.bridge-line.out .label { color: var(--ink-3); }

.featured-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  width: 0;
  transition: width 100ms var(--md-sys-motion-easing-linear);
}

.featured-right {
  padding: 28px 28px 24px;
  display: flex;
  flex-direction: column;
  background: var(--paper-2);
  position: relative;
  overflow: hidden;
}
@media (max-width: 899px) {
  .featured-right { padding: 24px; min-height: 320px; }
}

.activity-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  flex-shrink: 0;
}
.activity-head .label {
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-decoration: underline;
  text-decoration-color: var(--ink-4);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
.activity-head .live-mark {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--md-sys-typescale-mono-family);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
}
.activity-head .live-mark .pip { background: var(--accent); width: 5px; height: 5px; }

.activity-log {
  flex: 1;
  position: relative;
  overflow: hidden;
  padding: 16px 0 14px;
  margin: 0;
  display: flex;
  flex-direction: column;
}
.activity-log::before,
.activity-log::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 24px;
  pointer-events: none;
  z-index: 2;
}
.activity-log::before {
  top: 0;
  background: linear-gradient(180deg, var(--paper-2) 0%, rgba(241, 237, 227, 0) 100%);
}
.activity-log::after {
  bottom: 0;
  background: linear-gradient(0deg, var(--paper-2) 0%, rgba(241, 237, 227, 0) 100%);
}

/* Pin activity rows absolutely inside the (position: relative) .activity-log
   so row turnover (a 6th row briefly co-existing with 5 during the 800ms
   fade-out, or a row wrapping to 2 lines) doesn't grow the parent and
   reflow the page below the §02 section on mobile. The .activity-log
   already has overflow: hidden + the top/bottom gradient mask pseudo-
   elements, so the visual is unchanged. */
.activity-rows {
  position: absolute;
  top: 16px; bottom: 14px;     /* match .activity-log padding */
  left: 0; right: 0;
  padding: 0 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0;
}

.activity-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: baseline;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.25px;
  opacity: 0;
  transform: translateY(8px);
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: var(--md-sys-shape-corner-extra-small);
  transition:
    opacity var(--md-sys-motion-duration-extra-long2) var(--md-sys-motion-easing-emphasized-decelerate),
    transform var(--md-sys-motion-duration-extra-long2) var(--md-sys-motion-easing-emphasized-decelerate),
    background-color var(--md-sys-motion-duration-extra-long4) var(--md-sys-motion-easing-standard);
}
.activity-row.in { opacity: 1; transform: translateY(0); }
.activity-row.fresh { background: var(--accent-glow); }
.activity-row .time {
  color: var(--ink-4);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}
.activity-row .text { color: var(--ink-2); }
.activity-row .text code {
  color: var(--ink);
  font-weight: 600;
  background: rgba(20, 19, 15, 0.06);
  padding: 1px 6px;
  border-radius: var(--md-sys-shape-corner-extra-small);
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 6px;
}
@media (max-width: 1099px) { .tile-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 599px) { .tile-grid { grid-template-columns: repeat(3, 1fr); gap: 4px; } }

.tile {
  position: relative;
  padding: 14px 12px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--md-sys-shape-corner-medium);
  cursor: pointer;
  transition:
    border-color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
    background-color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 78px;
  text-align: left;
  font-family: inherit;
  width: 100%;
  overflow: hidden;
}
.tile:hover {
  border-color: var(--ink-4);
  background: var(--paper-2);
}
.tile.featured {
  border-color: var(--accent);
  background: var(--paper);
}
.tile.featured::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
}

.tile-code {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tile-code .pip {
  width: 5px; height: 5px;
  background: var(--ink-5);
  flex-shrink: 0;
  transition: background var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.tile.featured .tile-code .pip { background: var(--accent); }

.tile-name {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.4px;
  line-height: 1.33;
  color: var(--ink-3);
}
.tile.featured .tile-name { color: var(--ink-2); }

.tile.pulse { animation: tile-pulse 1.6s var(--md-sys-motion-easing-emphasized); }
@keyframes tile-pulse {
  0%   { box-shadow: 0 0 0 0 var(--accent-glow), inset 0 0 0 1px var(--rule); border-color: var(--rule); }
  20%  { box-shadow: 0 0 0 2px var(--accent-glow), inset 0 0 0 1px var(--accent); border-color: var(--accent); }
  100% { box-shadow: 0 0 0 0 transparent, inset 0 0 0 1px var(--rule); border-color: var(--rule); }
}
.tile.pulse .tile-code .pip { background: var(--accent); }
.tile.pulse.featured { animation: none; }

.agents-legend {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0.25px;
  flex-wrap: wrap;
}
.agents-legend .key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.agents-legend .key .swatch {
  width: 14px; height: 14px;
  border-radius: var(--md-sys-shape-corner-extra-small);
  background: var(--accent-glow);
  border: 1px solid var(--accent);
}
.agents-legend .nav-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-4);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ============================================================
   §03 / SYSTEM — architecture, schema, source
   ============================================================ */
.system-diagram { margin-top: 24px; }

.layer {
  border-top: 1px solid var(--rule);
  padding: 32px 0;
  display: grid;
  grid-template-columns: 96px 200px 1fr;
  gap: 32px;
  align-items: baseline;
  position: relative;
  transition: opacity 1400ms var(--md-sys-motion-easing-standard);
  opacity: 0.45;
}
.layer:last-child { border-bottom: 1px solid var(--rule); }
.layer.illuminated { opacity: 1; }
@media (max-width: 1099px) {
  .layer { grid-template-columns: 56px 1fr; gap: 20px; }
  .layer .layer-body { grid-column: 1 / -1; padding-left: 76px; margin-top: 12px; }
}
@media (max-width: 599px) {
  .layer { padding: 24px 0; }
  /* keep .layer-body indented under the L-name column (padding-left: 76px
     from the 1099px rule still applies) so chips align with the section
     content rather than jumping to the page edge */
}

.layer-num {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
  font-weight: 600;
  padding-top: 4px;
}
.layer.illuminated .layer-num { color: var(--accent); }

.layer-name {
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0;
  padding-top: 4px;
}
.layer-zone {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-4);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin-top: 6px;
  display: block;
}
.layer.keystone .layer-name { color: var(--accent); }

.layer-body {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-2);
  letter-spacing: 0.25px;
  cursor: default;
  transition: all var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}
.tag .dot {
  width: 4px; height: 4px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--ink-4);
  flex-shrink: 0;
}
.tag.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.tag.active .dot { background: var(--accent); }
.tag.muted {
  background: transparent;
  border-style: dashed;
  color: var(--ink-3);
}

.schema {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
}
.schema-item {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 0.25px;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.schema-item .name {
  color: var(--ink);
  font-weight: 600;
  transition: opacity var(--md-sys-motion-duration-long4) var(--md-sys-motion-easing-standard);
}
.schema-item .type {
  color: var(--ink-4);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}
.schema-item .name.fading { opacity: 0.2; }

.schema-version {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-3);
  background: var(--paper-2);
  border-radius: var(--md-sys-shape-corner-small);
}
.schema-version .v { color: var(--accent); }

.codes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.code {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0.06em;
}
.code + .code::before {
  content: '·';
  color: var(--ink-5);
  margin-right: 8px;
}

.source-block {
  margin-top: var(--space-stanza);
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
}
.source-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.source-row .label {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-4);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.source-row .name {
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 17px;
  color: var(--ink);
  font-weight: 500;
}
.source-row .status {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-3);
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.04em;
  transition: color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}
.source-row .status .pip { background: var(--ink-4); }
.source-row .status.live .pip { background: var(--accent); }
.source-row .status.live { color: var(--accent); }

.source-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.source-tag {
  padding: 7px 13px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-2);
  letter-spacing: 0.25px;
  cursor: pointer;
  transition: all var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.source-tag:hover { border-color: var(--ink-4); color: var(--ink); }
.source-tag.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.source-tag.custom { border-style: dashed; color: var(--ink-3); }

.source-foot {
  margin-top: 24px;
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-3);
  line-height: 1.55;
  letter-spacing: 0.25px;
  max-width: 64ch;
}

.source-custom { display: none; margin-top: 16px; gap: 8px; align-items: center; }
.source-custom.show { display: flex; }
.source-custom input {
  flex: 1;
  max-width: 280px;
  padding: 11px 14px;
  background: var(--paper);
  border: 1px solid var(--ink-4);
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 14px;
  color: var(--ink);
}
.source-custom input:focus { outline: 0; border-color: var(--ink); }
.source-custom button {
  padding: 11px 16px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

/* ============================================================
   MANIFESTO PULL-QUOTE
   ============================================================ */
.manifesto {
  padding: var(--space-section) 0;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  background: var(--paper);
}
.manifesto-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.manifesto-mark {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: 56px;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0;
}
.manifesto-quote {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.22;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 36px;
}
.manifesto-quote .quiet {
  color: var(--ink-3);
}
.manifesto-attr {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.manifesto-attr .sep {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--ink-4);
  margin: 0 4px;
}
.manifesto-attr .who { color: var(--ink-2); font-weight: 600; }

/* ============================================================
   FORCES — clarity-first stacked blocks (Mintlify-influenced)
   Each force is a uniform two-column row: prose on the left,
   one focused data artifact on the right. No scroll-jacking.
   ============================================================ */
.forces-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
}
.f-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1.15fr) minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 64px);
  row-gap: 24px;
  align-items: start;
  padding: clamp(40px, 5vh, 64px) 0;
  border-top: 1px solid var(--rule);
}
.f-row:last-of-type { border-bottom: 1px solid var(--rule); }

/* Index — left rail, mono numeral */
.f-index {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-4);
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
}
.f-index .accent { color: var(--accent); }

/* Prose column */
.f-prose .f-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 5px 10px 5px 8px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
}
.f-prose .f-tag::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.f-prose .f-head {
  margin-top: 18px;
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
  max-width: 22ch;
}
.f-prose .f-head em {
  font-style: normal;
  color: var(--accent);
  font-weight: 500;
}
.f-prose .f-body {
  margin-top: 16px;
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 15.5px;
  font-weight: 400;
  line-height: 1.62;
  color: var(--ink-2);
  letter-spacing: 0.12px;
  text-wrap: pretty;
  max-width: 52ch;
}
.f-prose .f-body p + p { margin-top: 12px; }
.f-prose .f-body em { font-style: italic; color: var(--ink); }

/* Artifact column — uniform card */
.f-artifact {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: clamp(20px, 2.4vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
  position: relative;
}
.f-artifact .f-art-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.f-artifact .f-art-head .pip {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 1px;
}
.f-artifact .f-art-head .right { color: var(--ink-4); }

/* Stat artifact */
.f-stat {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.f-stat .accent { color: var(--accent); }
.f-stat .unit {
  display: block;
  margin-top: 12px;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.45;
}
.f-source {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--rule-soft);
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 10px;
  font-weight: 500;
  color: var(--ink-4);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  line-height: 1.55;
}

/* Quote artifact — same box, different content */
.f-quote {
  font-family: var(--md-sys-typescale-plain-family);
  font-style: italic;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.1px;
  color: var(--ink-2);
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  text-wrap: pretty;
}
.f-quote-attr {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 10px;
  font-weight: 500;
  color: var(--ink-4);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  line-height: 1.55;
  padding-left: 18px;
}

/* Convergence — full-width terminal block, same visual register but inverted */
.f-converge {
  margin-top: 48px;
  background: var(--ink);
  color: #fff;
  padding: clamp(36px, 5vh, 56px) clamp(28px, 4vw, 56px);
  display: grid;
  grid-template-columns: 56px 1fr auto;
  column-gap: clamp(28px, 4vw, 64px);
  align-items: center;
  border-radius: 4px;
}
.f-converge .f-index { color: rgba(255,255,255,0.55); padding-top: 0; }
.f-converge .f-index .accent { color: var(--accent); }
.f-converge .f-conv-head {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  text-wrap: balance;
  margin: 0;
}
.f-converge .f-conv-head .quiet { color: rgba(255,255,255,0.6); font-weight: 400; }
.f-converge .f-conv-meta {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  white-space: nowrap;
  align-self: end;
}
.f-converge .f-conv-meta .accent { color: var(--accent); }

/* Mobile collapse — index inline, artifact below prose */
@media (max-width: 899px) {
  .f-row {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 36px 0;
  }
  .f-index { padding-top: 0; }
  .f-artifact { min-height: 0; }
  .f-converge {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 32px 24px;
  }
  .f-converge .f-conv-meta { align-self: start; }
}

/* ============================================================
   OUTCOMES
   ============================================================ */
.outcomes-list { margin-top: 16px; }
.outcome {
  padding: 56px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: baseline;
}
.outcome:last-child { border-bottom: 1px solid var(--rule); }
@media (max-width: 767px) {
  .outcome { padding: 40px 0; grid-template-columns: 60px 1fr; gap: 20px; }
}

.outcome-num {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.outcome-body { display: flex; flex-direction: column; gap: 16px; max-width: 60ch; }
.outcome-stmt {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--ink);
  max-width: 24ch;
}
.outcome-line {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.15px;
  color: var(--ink-3);
}

/* ============================================================
   ACCESS
   ============================================================ */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 1099px) { .access-grid { grid-template-columns: 1fr; gap: 48px; } }

.access-headline {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 45px);
  line-height: 1.16;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 24px;
  max-width: 14ch;
}
.access-headline .accent { color: var(--accent); }
.access-subhead {
  font-family: var(--md-sys-typescale-plain-family);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.15px;
  color: var(--ink-3);
  max-width: 50ch;
  margin-bottom: 24px;
}
.access-closing {
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 15px;
  color: var(--ink-3);
  font-style: italic;
  margin-top: 16px;
  letter-spacing: 0.15px;
}

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.field-label {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-4);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.field-label .opt { color: var(--ink-5); }
.field-input,
.field-select {
  display: block;
  width: 100%;
  max-width: 420px;
  height: 52px;
  padding: 0 16px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-plain-family);
  font-size: 16px;
  letter-spacing: 0.5px;
  transition: border-color var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.field-input::placeholder { color: var(--ink-4); }
.field-input:focus, .field-select:focus { outline: 0; border-color: var(--ink); }
.field-select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink-3) 50%),
    linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 22px) 50%, calc(100% - 16px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 44px;
}
.field-submit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px 16px 22px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--md-sys-shape-corner-small);
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition:
    background-color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
    transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-standard);
}
.field-submit:hover { background: #2A2823; }
.field-submit:active { transform: scale(0.98); }
.field-submit .play-tri {
  width: 0; height: 0;
  border-style: solid;
  border-width: 5px 0 5px 7px;
  border-color: transparent transparent transparent var(--paper);
  margin-left: 4px;
}
.field-submit[disabled] {
  cursor: default;
}
.field-submit:not(.is-submitting):not(.is-success)[disabled] { opacity: 0.6; }
.field-submit:hover:disabled { background: var(--ink); }

/* Submitting — replace icon with a spinning ring, dim slightly */
.field-submit.is-submitting {
  opacity: 0.85;
  cursor: progress;
}
.field-submit.is-submitting:hover { background: var(--ink); }
.field-submit .spinner {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  border: 1.5px solid rgba(247, 244, 237, 0.28);
  border-top-color: var(--paper);
  border-radius: 50%;
  animation: submit-spin 0.75s linear infinite;
}
@keyframes submit-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .field-submit .spinner { animation: none; }
}

/* Success — green confirmation state */
.field-submit.is-success,
.field-submit.is-success:hover {
  background: var(--success);
  color: var(--md-sys-color-on-success);
  cursor: default;
  animation: submit-success-in var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized-decelerate);
}
.field-submit.is-success .check {
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}
@keyframes submit-success-in {
  0%   { transform: scale(0.985); }
  60%  { transform: scale(1.012); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .field-submit.is-success { animation: none; }
}

.field-error {
  margin-top: 16px;
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

/* Turnstile invisible widget — keep mounted but out of layout */
#turnstile-widget { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ============================================================
   FOOTER — dark surface, mirrors trace section register
   ============================================================ */
.footer {
  padding: 80px 0 56px;
  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-on-inverse-surface);
  position: relative;
  overflow: hidden;
  margin-top: 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  align-items: end;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--md-sys-color-on-inverse-surface);
}
.footer-brand .brand-icon { width: 28px; height: 28px; color: var(--md-sys-color-on-inverse-surface); }
.footer-brand .wordmark {
  font-size: 16px;
  color: var(--md-sys-color-on-inverse-surface);
}
.footer-col {
  font-family: var(--md-sys-typescale-mono-family);
  font-size: 12px;
  font-weight: 400;
  color: var(--md-sys-color-on-inverse-surface-variant);
  line-height: 1.7;
  letter-spacing: 0.25px;
}
.footer-col .label {
  display: block;
  color: var(--md-sys-color-on-inverse-surface-dim);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 500;
}
.footer-col a {
  color: var(--md-sys-color-on-inverse-surface-variant);
  transition: color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.footer-col a:hover { color: var(--md-sys-color-inverse-primary); }
@media (max-width: 767px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer { padding: 56px 0 40px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .layer { opacity: 1; }
  .station-node, .station-label, .station-action { opacity: 1 !important; transform: none !important; }
  .stream-row, .activity-row { opacity: 1 !important; transform: none !important; }
}