/* ============================================================
   SimAgentix LP v0.2 — styles.css (Cycle 2)
   Color tokens: w3 §2.1 exact-match + cycle-2 additions
   Spacing: 8px base unit (w3 §2.4)
   Typography: Hubot Sans 700 + Roboto Condensed + Inter 500
   ============================================================ */

:root {
  /* Palette — cycle-1 tokens (unchanged) */
  --bg:         #E6E6E1;
  --ink:        #1A1A1A;
  --ink-muted:  #666666;
  --card:       #D9D9D2;
  --border:     #1A1A1A;
  --brand-red:  #E40606;

  /* CYCLE-2 ADDITIONS */
  --ink-body:        #555555;   /* N7: body text de-emphasis — 23% lightness delta vs #1A1A1A headings */
  --bg-transcript:   #D9D9D2;   /* P2 alternating: Marcus section mid-cream */
  --bg-arch:         #1A1F1F;   /* P3 full-bleed: architecture section ink */
  --bg-arch-card:    #242829;   /* arch node card bg (slightly lighter than section) */

  --h1-size-desktop: 120px;
  --h1-size-mobile:  48px;
  --h2-size-desktop: 48px;
  --h2-size-mobile:  28px;

  --font-display: "Hubot Sans", system-ui, sans-serif;
  --font-body:    "Roboto Condensed", system-ui, sans-serif;
  --font-data:    "Inter", system-ui, sans-serif;

  /* Spacing scale (8px base) */
  --sp-1:  8px;
  --sp-2:  16px;
  --sp-3:  24px;
  --sp-4:  32px;
  --sp-5:  40px;
  --sp-6:  48px;
  --sp-8:  64px;
  --sp-10: 80px;
  --sp-16: 128px;
}

/* ── Reset + base ──────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--ink-body);        /* N7: body text de-emphasized */
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typography headings — full ink (N7) ───────────────────── */

h1, h2, h3 {
  color: var(--ink);
}

/* ── Accessibility ─────────────────────────────────────────── */

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--ink);
  color: var(--bg);
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-body);
  font-size: 14px;
  z-index: 9999;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* ── Scroll progress bar — desktop only (O9, IP-5) ────────── */

.scroll-progress {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--brand-red);
  z-index: 100;
  pointer-events: none;
  transition: width 50ms linear;
}

@media (min-width: 1024px) {
  .scroll-progress {
    display: block;
  }
}

/* ── Container ─────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--sp-2);
}

/* ── Eyebrow labels (all 5 sections — N3, P4) ──────────────── */

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--sp-2);
}

/* Cream eyebrow variant — for architecture (ink) section */
.eyebrow-cream {
  color: rgba(230, 230, 225, 0.55);
}

/* ── H1 thesis — H-3 oversized type (§1, KR-C4-1) ─────────── */

.h1-thesis {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--h1-size-mobile);   /* 48px mobile */
  line-height: 1.15;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 100%;
  margin-top: var(--sp-3);
  margin-bottom: var(--sp-2);
}

/* Kinetic word "decide" — underline-draw (§1, IP-3, M1) */
.h1-thesis .kinetic {
  position: relative;
  display: inline;
}

.h1-thesis .kinetic::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 4px;
  background: var(--brand-red);
  animation: underline-draw 600ms ease-out forwards;
  animation-delay: 300ms;
}

@keyframes underline-draw {
  from { width: 0; }
  to   { width: 100%; }
}

/* ── H2 subhead — hero secondary (carry-forward) ───────────── */

.h2-subhead {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 100%;
  margin-top: var(--sp-2);
  margin-bottom: 0;
}

/* ── H2 section heads — new type scale (N1, §2) ───────────── */

.h2-section {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--h2-size-mobile);   /* 28px mobile */
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: var(--sp-3);
}

/* Cream H2 variant — for architecture (ink) section */
.h2-cream {
  color: #E6E6E1;
}

/* ── H2 form heading (carry-forward) ───────────────────────── */

.h2-form {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: var(--sp-1);
}

/* ── Header ────────────────────────────────────────────────── */

.site-header {
  padding-top: var(--sp-2);
  padding-bottom: var(--sp-1);
}

.logo {
  height: 28px;
  width: auto;
  display: block;
}

/* ── Red rule accent ───────────────────────────────────────── */

.red-rule {
  width: 16px;
  height: 2px;
  background-color: var(--brand-red);
  margin-bottom: var(--sp-2);
}

/* ── CTA Button ────────────────────────────────────────────── */

.cta-button {
  display: block;
  width: 100%;
  min-height: 52px;
  padding: 0 var(--sp-3);
  background-color: var(--brand-red);
  color: #ffffff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: 0;
  cursor: pointer;
  margin-top: var(--sp-3);
  line-height: 52px;
  transition: background-color 200ms ease-out, transform 150ms ease-out;
}

.cta-button:hover {
  background-color: #CC0505;
  transform: scale(1.02);
}

.cta-button:active {
  transform: scale(0.98);
}

.cta-button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* ── Demo link — text-link, low visual weight ──────────────── */

.demo-link-wrap {
  margin-top: 12px;
  text-align: left;
}

.demo-link {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--brand-red);
  text-underline-offset: 2px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  padding: var(--sp-1) 0;
  display: inline-block;
  transition: color 150ms ease-out;
}

.demo-link:hover {
  color: #CC0505;
  text-decoration-thickness: 2px;
}

/* ── Section padding — scales per breakpoint (O3) ─────────── */

.section-hero,
.section-proof,
.section-transcript,
.section-architecture,
.section-form {
  padding-block: var(--sp-6);    /* 48px mobile */
}

/* ── Section background colors (P2 alternating rhythm) ─────── */

.section-transcript {
  background-color: var(--bg-transcript);
}

.section-architecture {
  background-color: var(--bg-arch);
}

/* ── Scroll-reveal animation classes (M2, IP-2) ────────────── */

.reveal-section {
  opacity: 0;
  transform: translateY(20px);
}

.reveal-section.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.reveal-section .reveal-child:nth-child(1) { transition-delay: 0ms; }
.reveal-section .reveal-child:nth-child(2) { transition-delay: 75ms; }
.reveal-section .reveal-child:nth-child(3) { transition-delay: 150ms; }
.reveal-section .reveal-child:nth-child(4) { transition-delay: 225ms; }

/* ── Stats grid — S-3 pattern (§3) ────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);   /* 2×2 mobile */
  gap: var(--sp-3);
  margin-top: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  box-shadow: 0 2px 8px rgba(26, 26, 26, 0.08);
  padding: var(--sp-2);
  background: var(--bg);
}

.stat-numeral {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: 48px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.stat-denom {
  font-size: 28px;
  letter-spacing: -0.01em;
}

.stat-asterisk {
  font-size: 24px;
  vertical-align: super;
  color: var(--brand-red);
  line-height: 0;
  cursor: pointer;
}

.stat-label {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  color: var(--ink);
  line-height: 1.4;
}

.stat-context {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.4;
}

.stat-footnote {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: var(--sp-2);
  max-width: 600px;
}

.stats-timestamp {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--ink-muted);
  margin-bottom: var(--sp-2);
}

/* ── Marcus Transcript section (SD-7 — §4) ─────────────────── */

.transcript-mobile-header {
  display: block;
  margin-bottom: var(--sp-3);
}

.transcript-layout {
  display: block;
}

.transcript-context-col {
  display: none;
}

.transcript-slider {
  position: relative;
  overflow: hidden;
}

.transcript-card {
  display: none;
  flex-direction: column;
  gap: var(--sp-2);
}

.transcript-card.is-active {
  display: flex;
}

.transcript-user {
  background: var(--bg);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid rgba(26, 26, 26, 0.10);
}

.transcript-marcus {
  background: var(--bg-arch);
  padding: var(--sp-2) var(--sp-3);
  border-radius: 0 4px 4px 0;
}

.transcript-speaker-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--sp-1);
}

.transcript-speaker-marcus {
  color: rgba(230, 230, 225, 0.55);
}

.transcript-user-text {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  line-height: 1.5;
}

.transcript-marcus-text {
  font-family: var(--font-body);
  font-size: 16px;
  color: #E6E6E1;
  line-height: 1.6;
}

.transcript-annotation {
  background: rgba(217, 217, 210, 0.3);
  border-top: 1px solid rgba(26, 26, 26, 0.08);
  padding: var(--sp-1) var(--sp-3);
}

.transcript-annotation p {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-muted);
  font-style: italic;
  line-height: 1.45;
}

/* Slider controls */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.slider-arrow {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--ink-muted);
  padding: var(--sp-1);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  transition: opacity 150ms ease-out;
}

.slider-arrow:hover {
  opacity: 1;
}

.slider-arrow:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.slider-dots {
  display: flex;
  gap: var(--sp-1);
}

.slider-dot {
  width: 28px;
  height: 6px;
  border: none;
  border-radius: 3px;
  background: var(--ink-muted);
  cursor: pointer;
  opacity: 0.35;
  transition: background 200ms ease-out, opacity 200ms ease-out;
  padding: 0;
}

.slider-dot.is-active {
  background: var(--brand-red);
  opacity: 1;
}

.slider-dot:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.transcript-context-note {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: var(--sp-3);
}

/* ── Architecture section — S-16 diagram (§5) ─────────────── */

.arch-intro {
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(230, 230, 225, 0.75);
  line-height: 1.6;
  margin-bottom: var(--sp-5);
  max-width: 680px;
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.arch-connector {
  width: 1px;
  height: var(--sp-3);
  background: rgba(230, 230, 225, 0.3);
  margin-inline: auto;
}

.arch-node {
  background: var(--bg-arch-card);
  border: 1px solid rgba(230, 230, 225, 0.12);
  padding: var(--sp-3);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
}

.arch-node.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.arch-node:nth-child(1) { transition-delay: 0ms; }
.arch-node:nth-child(3) { transition-delay: 100ms; }
.arch-node:nth-child(5) { transition-delay: 200ms; }
.arch-node:nth-child(7) { transition-delay: 300ms; }

/* Connector draw-in after nodes appear */
.arch-connector {
  opacity: 0;
  transition: opacity 300ms ease-out;
  transition-delay: 400ms;
}

.arch-connector.is-visible {
  opacity: 1;
}

.arch-node-eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(230, 230, 225, 0.45);
  margin-bottom: var(--sp-1);
}

.arch-node-content {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(230, 230, 225, 0.7);
  line-height: 1.5;
  font-style: normal;
  margin-bottom: var(--sp-1);
  border: none;
  padding: 0;
}

/* LIMBIC money line — largest + italic in the node (§5) */
.arch-money-line {
  font-size: 16px;
  font-style: italic;
  color: #E6E6E1;
}

.arch-node-meta {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(230, 230, 225, 0.4);
  line-height: 1.4;
}

/* DIALOGUE node: speech-bubble card */
.arch-node-speech {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(230, 230, 225, 0.85);
  line-height: 1.6;
  font-style: normal;
  background: rgba(230, 230, 225, 0.07);
  border-radius: 0 8px 8px 8px;
  padding: var(--sp-2);
  border: none;
  margin-top: var(--sp-1);
}

.arch-caption {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(230, 230, 225, 0.35);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
}

/* ── Form section ──────────────────────────────────────────── */

.form-trust-sub {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: var(--sp-3);
  line-height: 1.5;
}

.form-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  padding: var(--sp-3);
  max-width: 100%;
}

.form-field {
  margin-bottom: var(--sp-2);
}

.field-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: var(--sp-1);
}

.field-input {
  display: block;
  width: 100%;
  height: 48px;
  background-color: var(--bg);
  border: 1px solid var(--border);
  padding: 0 12px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  border-radius: 0;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.field-input:focus {
  border-color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: -1px;
}

.field-input.error {
  border-color: var(--brand-red);
  outline-color: var(--brand-red);
}

.field-error {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--brand-red);
  margin-top: 6px;
  min-height: 18px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.field-error:not(:empty)::before {
  content: "⚠";
  font-size: 11px;
}

.form-submit {
  margin-top: var(--sp-2);
  width: 100%;
  position: relative;
  line-height: 52px;
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(230, 230, 225, 0.4);
  border-top-color: var(--bg);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-left: 8px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-trust-micro {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 12px;
  line-height: 1.5;
}

.form-error-global {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--brand-red);
  margin-top: var(--sp-2);
  line-height: 1.5;
}

/* ── Form success state ─────────────────────────────────────── */

.form-success {
  padding: var(--sp-2) 0;
}

.success-done {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: var(--sp-2);
}

.form-success p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: var(--sp-2);
}

/* ── Honeypot (hidden from real users) ─────────────────────── */

.honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Footer ────────────────────────────────────────────────── */

.site-footer {
  padding-top: var(--sp-5);
  padding-bottom: max(var(--sp-3), env(safe-area-inset-bottom));
  border-top: 1px solid rgba(26, 26, 26, 0.12);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: flex-start;
}

.logo-footer {
  height: 16px;
  width: auto;
  display: block;
}

.footer-legal {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.footer-link {
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-link:hover {
  color: var(--ink);
}

/* ── Turnstile widget ──────────────────────────────────────── */

.cf-turnstile {
  margin-top: var(--sp-2);
  margin-bottom: var(--sp-1);
}

/* ══════════════════════════════════════════════════════════════
   TABLET breakpoint (≥768px)
   ══════════════════════════════════════════════════════════════ */

@media (min-width: 768px) {
  .container {
    padding-inline: var(--sp-3);
  }

  .logo {
    height: 32px;
  }

  .site-header {
    padding-top: var(--sp-3);
  }

  /* H1: tablet — intermediate size */
  .h1-thesis {
    font-size: 72px;
    line-height: 1.1;
    margin-top: var(--sp-4);
    margin-bottom: var(--sp-3);
  }

  .h2-subhead {
    font-size: 24px;
    max-width: 640px;
    margin-top: var(--sp-2);
  }

  .h2-section {
    font-size: 36px;
  }

  .cta-button {
    width: auto;
    min-width: 240px;
    display: inline-block;
    margin-top: var(--sp-4);
    padding: 0 var(--sp-4);
  }

  /* Section padding — tablet (80px, O3) */
  .section-hero,
  .section-proof,
  .section-transcript,
  .section-architecture,
  .section-form {
    padding-block: var(--sp-10);
  }

  /* Stats grid — 4-col on tablet+ */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-4);
  }

  .stat-numeral {
    font-size: 72px;
  }

  .stat-denom {
    font-size: 40px;
  }

  .stat-label {
    font-size: 14px;
  }

  .stat-context {
    font-size: 13px;
  }

  .form-card {
    max-width: 560px;
    margin-inline: auto;
    padding: var(--sp-5);
  }

  .h2-form {
    font-size: 36px;
    text-align: center;
  }

  .form-trust-sub {
    text-align: center;
    font-size: 16px;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ══════════════════════════════════════════════════════════════
   DESKTOP breakpoint (≥1024px) — O1-O10 distinct layouts
   ══════════════════════════════════════════════════════════════ */

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--sp-10);
  }

  .red-rule {
    margin-bottom: var(--sp-3);
  }

  /* H1 — 120px desktop (L5, AC-23) */
  .h1-thesis {
    font-size: var(--h1-size-desktop);
    line-height: 1.1;
    text-align: left;
    margin-top: var(--sp-5);
    margin-bottom: var(--sp-4);
  }

  .h2-subhead {
    font-size: 28px;
  }

  /* H2 section heads — 48px desktop (N5, AC-25) */
  .h2-section {
    font-size: var(--h2-size-desktop);
  }

  .h2-form {
    font-size: 48px;
  }

  /* Section padding — desktop 128px (O3) */
  .section-hero,
  .section-proof,
  .section-transcript,
  .section-form {
    padding-block: var(--sp-16);
  }

  /* Architecture gets extra vertical breathing room */
  .section-architecture {
    padding-block: 160px;
  }

  /* Remove max-width prose constraints (O2: ≥960px content) */
  .arch-intro {
    max-width: none;
    font-size: 18px;
  }

  /* Architecture diagram — horizontal 4-col flow (O1) */
  .arch-diagram {
    flex-direction: row;
    align-items: stretch;
    gap: 0;
  }

  .arch-connector {
    width: var(--sp-3);
    height: 1px;
    background: rgba(230, 230, 225, 0.3);
    margin-inline: 0;
    align-self: center;
  }

  .arch-node {
    flex: 1;
    transform: translateX(-16px);
    transition: opacity 400ms ease-out, transform 400ms ease-out;
  }

  .arch-node.is-visible {
    transform: translateX(0);
  }

  /* Connector horizontal draw-in on desktop */
  .arch-connector {
    width: 0;
    height: 1px;
    transition: width 300ms ease-out;
    transition-delay: 450ms;
  }

  .arch-connector.is-visible {
    width: var(--sp-3);
  }

  .arch-money-line {
    font-size: 18px;
  }

  /* Marcus transcript — 60/40 two-col desktop (O5) */
  .transcript-mobile-header {
    display: none;
  }

  .transcript-layout {
    display: grid;
    grid-template-columns: 65fr 35fr;
    gap: var(--sp-8);
    align-items: start;
  }

  .transcript-context-col {
    display: block;
    position: sticky;
    top: var(--sp-6);
  }

  /* Stats grid — confirm 4-col at desktop */
  .stats-grid {
    gap: var(--sp-5);
  }

  /* Form section eyebrow layout */
  .section-form .h2-form {
    text-align: left;
  }

  .section-form .form-trust-sub {
    text-align: left;
  }
}

/* ══════════════════════════════════════════════════════════════
   prefers-reduced-motion — M3 full override (KR-C4-3)
   ══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  /* Static underline — "decide" still has red underline, just not animated */
  .h1-thesis .kinetic::after {
    animation: none;
    width: 100%;
  }

  /* Reveal sections visible immediately */
  .reveal-section {
    opacity: 1;
    transform: none;
  }

  /* Architecture nodes visible immediately */
  .arch-node {
    opacity: 1;
    transform: none;
  }

  .arch-connector {
    opacity: 1;
    width: var(--sp-3);
  }
}