/* ==========================================================================
   InSilicoNext — Design System & Homepage Styles
   Token-based, mobile-first, WCAG 2.2 AA, reduced-motion aware.
   ========================================================================== */

/* -------------------- 1. Design Tokens -------------------- */
:root {
  /* Core palette */
  --ink: #0F1B2D;
  --paper: #F6F7F5;
  --signal: #3B6FE0;       /* cobalt — researcher path / primary */
  --signal-ink: #26489E;   /* darker cobalt for text-on-light AA contrast */
  --amplicon: #B23A63;     /* rose-magenta — industry path / secondary */
  --amplicon-ink: #8C2C4D;
  --confirm: #2F8F63;
  --caution: #A8630F;
  --danger: #B23325;
  --data-5: #7C5CE0;      /* chart-only accent — data viz richness, not used in UI chrome */
  --star-gold: #C9971C;   /* rating-star icon color — outline only until real ratings exist */

  /* Neutral scale (derived from --ink) */
  --gray-050: #FBFCFC;
  --gray-100: #EEF1F4;
  --gray-200: #E1E6EB;
  --gray-300: #CBD3DC;
  --gray-500: #7C879A;
  --gray-700: #4B5566;
  --gray-800: #2B3546;
  --gray-900: #1B2636;

  /* Surface / text (light mode default) */
  --bg: var(--paper);
  --bg-raised: #FFFFFF;
  --bg-sunken: var(--gray-100);
  --text-primary: var(--ink);
  --text-secondary: var(--gray-700);
  --text-on-dark: #F3F5F7;
  --border: var(--gray-200);
  --border-strong: var(--gray-300);

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --fs-h1: clamp(2.25rem, 1.7rem + 2.4vw, 3.75rem);
  --fs-h2: clamp(1.65rem, 1.4rem + 1.1vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --fs-lead: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;

  /* Layout */
  --content-max: 1280px;
  --content-pad: clamp(1.25rem, 4vw, 3rem);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-2-5: 0.6rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --shadow-sm: 0 1px 2px rgba(15, 27, 45, 0.06), 0 1px 1px rgba(15, 27, 45, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 27, 45, 0.08), 0 1px 3px rgba(15, 27, 45, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 27, 45, 0.14);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur-fast: 140ms;
  --dur-base: 220ms;
  --dur-slow: 420ms;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B131F;
    --bg-raised: #101B2C;
    --bg-sunken: #0E1826;
    --text-primary: #F3F5F7;
    --text-secondary: #AEB8C7;
    --border: #223047;
    --border-strong: #2E3F5C;
    --signal: #7295F0;
    --signal-ink: #9AB4F5;
    --amplicon: #D9799F;
    --amplicon-ink: #E6A2BE;
    --confirm: #57B98A;
    --data-5: #9C86F0;
    --star-gold: #E0B23A;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.45);
  }
}

html[data-theme="dark"] {
  --bg: #0B131F;
  --bg-raised: #101B2C;
  --bg-sunken: #0E1826;
  --text-primary: #F3F5F7;
  --text-secondary: #AEB8C7;
  --border: #223047;
  --border-strong: #2E3F5C;
  --signal: #7295F0;
  --signal-ink: #9AB4F5;
  --amplicon: #D9799F;
  --amplicon-ink: #E6A2BE;
  --confirm: #57B98A;
  --data-5: #9C86F0;
  --star-gold: #E0B23A;
}
html[data-theme="light"] {
  --bg: var(--paper);
  --bg-raised: #FFFFFF;
  --bg-sunken: var(--gray-100);
  --text-primary: var(--ink);
  --text-secondary: var(--gray-700);
  --border: var(--gray-200);
  --border-strong: var(--gray-300);
  --signal: #3B6FE0;
  --signal-ink: #26489E;
  --amplicon: #B23A63;
  --amplicon-ink: #8C2C4D;
  --confirm: #2F8F63;
  --star-gold: #C9971C;
}

/* -------------------- 2. Reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  transition: background var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

/* Focus visibility — never remove, only restyle */
:focus-visible {
  outline: 2.5px solid var(--signal);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

/* -------------------- 3. Type -------------------- */
.h1, h1 { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }
.h2, h2 { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 600; line-height: 1.15; letter-spacing: -0.005em; }
.h3, h3 { font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 600; line-height: 1.3; }
.lead { font-size: var(--fs-lead); color: var(--text-secondary); line-height: 1.55; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--signal-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.eyebrow.amplicon { color: var(--amplicon-ink); }
.mono { font-family: var(--font-mono); }
.text-secondary { color: var(--text-secondary); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* -------------------- 4. Layout -------------------- */
.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--content-pad);
}
.section { padding-block: var(--space-24); }
.section--tight { padding-block: var(--space-16); }
.section--tight-top { padding-top: var(--space-12); }
.section-head { max-width: 640px; margin-bottom: var(--space-12); }
.section-head.center { margin-inline: auto; text-align: center; }

.grid { display: grid; gap: var(--space-6); }
.grid > * { min-width: 0; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 901px) and (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Sequencing-trace section divider (signature motif) */
.trace-divider {
  width: 100%;
  height: 28px;
  color: var(--border-strong);
  opacity: 0.9;
}

/* -------------------- 5. Header / Nav -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  gap: var(--space-6);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 30px; height: 30px;
  flex-shrink: 0;
}
.brand-text { display: inline-flex; gap: 0; }
.brand-bio { color: var(--signal-ink); }
.brand-next {
  color: var(--amplicon-ink);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.01em;
}
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.primary-nav ul { display: flex; gap: var(--space-6); }
.primary-nav a:not(.btn) {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.primary-nav a:not(.btn):hover, .primary-nav a:not(.btn):focus-visible { color: var(--signal-ink); border-color: var(--signal); }

/* Mega-menu dropdowns */
.nav-list { display: flex; align-items: center; gap: var(--space-6); }
/* Top-level plain links (Pricing, Contact) match the dropdown triggers'
   box model so their text aligns on the same baseline as Services/About etc.
   Scoped to direct children only — never the panel links inside .nav-dropdown-panel. */
.nav-list > li > a:not(.btn) { display: inline-flex; align-items: center; }
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.nav-dropdown-trigger:hover, .nav-dropdown-trigger:focus-visible { color: var(--signal-ink); border-color: var(--signal); }
.nav-dropdown-trigger .chevron { width: 11px; height: 11px; transition: transform var(--dur-fast) var(--ease); }
.nav-dropdown.is-open .nav-dropdown-trigger { color: var(--signal-ink); }
.nav-dropdown.is-open .nav-dropdown-trigger .chevron { transform: rotate(180deg); }

.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  width: 340px;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  display: grid;
  gap: 0.1rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease), visibility var(--dur-base);
  z-index: 60;
}
/* Invisible bridge across the gap so moving the cursor from trigger to
   panel keeps hover continuous (prevents flicker/close). */
.nav-dropdown-panel::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}
.nav-dropdown-panel--2col { width: 620px; grid-template-columns: 1fr 1fr; }
.nav-dropdown.is-open .nav-dropdown-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.nav-dropdown-panel a {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  border-bottom: none;
}
.nav-dropdown-panel a:hover, .nav-dropdown-panel a:focus-visible { background: var(--bg-sunken); border-color: transparent; }
.nav-dropdown-panel strong { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.nav-dropdown-panel span { display: block; font-size: 0.76rem; color: var(--text-secondary); margin-top: 0.12rem; font-weight: 400; line-height: 1.4; }

@media (max-width: 900px) {
  .nav-list { flex-direction: column; align-items: flex-start; gap: var(--space-4); width: 100%; }
  .nav-dropdown { width: 100%; }
  .nav-dropdown-trigger { font-size: 1.1rem; width: 100%; justify-content: space-between; }
  .nav-dropdown-panel {
    position: static;
    display: none;
    width: 100%;
    grid-template-columns: 1fr;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0.25rem 0 0.5rem 0.75rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-dropdown-panel--2col { width: 100%; grid-template-columns: 1fr; }
  .nav-dropdown.is-open .nav-dropdown-panel { display: grid; }
  .nav-dropdown-panel a { padding: 0.5rem 0.5rem; }
  .nav-dropdown-panel span { display: none; }
}

.nav-actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}
.theme-toggle:hover { color: var(--text-primary); border-color: var(--signal); }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .primary-nav { display: none; position: fixed; top: 70px; right: 0; bottom: 0; left: 0; z-index: 90; background: var(--bg); padding: var(--space-8) var(--content-pad); flex-direction: column; align-items: flex-start; overflow-y: auto; }
  .primary-nav.is-open { display: flex; }
  .primary-nav ul { flex-direction: column; gap: var(--space-4); width: 100%; }
  .primary-nav a:not(.btn) { font-size: 1.1rem; }
  .nav-toggle { display: inline-flex; }
  .nav-actions .btn-quote-desktop { display: none; }
  .primary-nav .nav-quote-mobile { display: inline-flex; margin-top: var(--space-6); }
}

/* -------------------- 6. Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
  max-width: 100%;
  text-align: center;
}
@media (max-width: 420px) {
  .btn { white-space: normal; }
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--signal); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--signal-ink); box-shadow: var(--shadow-md); }
.btn-amplicon { background: var(--amplicon); color: #fff; box-shadow: var(--shadow-sm); }
.btn-amplicon:hover { background: var(--amplicon-ink); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--signal); color: var(--signal-ink); }
.btn-ghost { background: transparent; color: var(--text-primary); padding: 0.6rem 0.8rem; }
.btn-ghost:hover { color: var(--signal-ink); }
.btn-sm { padding: 0.55rem 1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* -------------------- 7. Hero (signature fork) -------------------- */
.hero { padding-block: var(--space-16) var(--space-12); position: relative; }
.hero-top {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-12);
  align-items: center;
  margin-bottom: var(--space-12);
}
@media (max-width: 900px) {
  .hero-top { grid-template-columns: 1fr; gap: var(--space-8); }
}
.hero-intro { max-width: 640px; }
.hero-intro .h1 { margin-bottom: var(--space-4); }
.hero-stats-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-secondary);
}
.hero-stats-inline strong { color: var(--text-primary); font-size: 1.05rem; }

.hero-visual {
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 44px rgba(15, 27, 45, 0.16), 0 4px 12px rgba(15, 27, 45, 0.08);
  overflow: hidden;
  transform: rotate(0.6deg);
}
.hero-visual svg { display: block; width: 100%; height: auto; }
.hero-visual-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-secondary);
}
.hero-visual-legend { display: flex; flex-wrap: wrap; gap: 0.6rem; row-gap: 0.3rem; }
.hero-visual-legend span { display: inline-flex; align-items: center; gap: 0.35rem; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.legend-dot--signal { background: var(--signal); }
.legend-dot--amplicon { background: var(--amplicon); }
.legend-dot--confirm { background: var(--confirm); }
.legend-dot--caution { background: var(--caution); }
.legend-dot--data5 { background: var(--data-5); }
.legend-dot--muted { background: var(--gray-500); }

.fork {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 780px) { .fork { grid-template-columns: 1fr; } }

.fork-path {
  background: var(--bg-raised);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: background var(--dur-base) var(--ease);
}
.fork-path::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}
.fork-path--researcher::before { background: var(--signal); }
.fork-path--industry::before { background: var(--amplicon); }
.fork-path h3 { display: flex; align-items: center; gap: 0.6rem; }
.fork-path ul { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.25rem; }
.fork-path li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}
.fork-path li svg { flex-shrink: 0; margin-top: 0.2em; width: 15px; height: 15px; }
.fork-path--researcher li svg { color: var(--signal); }
.fork-path--industry li svg { color: var(--amplicon); }
.fork-cta { margin-top: var(--space-2); }

/* -------------------- 8. Trust / proof band -------------------- */
.proof-band {
  background: var(--bg-sunken);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: var(--space-12);
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
@media (max-width: 780px) { .proof-stats { grid-template-columns: repeat(2, 1fr); } }
.proof-stat { text-align: left; padding-left: var(--space-5); border-left: 2px solid var(--border-strong); }
.proof-stat:first-child { padding-left: 0; border-left: none; }
@media (max-width: 780px) {
  .proof-stat:nth-child(odd) { padding-left: 0; border-left: none; }
}
.proof-stat .num {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  display: block;
}
.proof-stat .num--signal { color: var(--signal-ink); }
.proof-stat .num--amplicon { color: var(--amplicon-ink); }
.proof-stat .label { font-size: var(--fs-small); color: var(--text-secondary); }

.journal-strip { margin-top: var(--space-8); text-align: center; }
.journal-intro {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}
.journal-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-3); align-items: center; }
.journal-pills span { padding: 0.35rem 0.85rem; border-radius: 999px; font-weight: 500; font-family: var(--font-mono); font-size: var(--fs-small); }
.journal-pills span.chip--signal { color: var(--signal-ink); background: color-mix(in srgb, var(--signal) 14%, transparent); border: 1px solid color-mix(in srgb, var(--signal) 30%, transparent); }
.journal-pills span.chip--amplicon { color: var(--amplicon-ink); background: color-mix(in srgb, var(--amplicon) 14%, transparent); border: 1px solid color-mix(in srgb, var(--amplicon) 30%, transparent); }

/* -------------------- 8b. Testimonials (reserved slots) -------------------- */
.testimonial-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--bg-sunken);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  height: 100%;
}
.testimonial-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  display: inline-flex;
  width: fit-content;
}
.testimonial-stars { display: flex; align-items: center; gap: 0.55rem; }
.testimonial-stars .stars { display: flex; gap: 0.2rem; }
.testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: color-mix(in srgb, var(--star-gold) 22%, transparent);
  stroke: var(--star-gold);
  stroke-width: 1.8;
  stroke-linejoin: round;
}
.testimonial-stars .rating-note { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--gray-500); }

.testimonial-quote-icon { width: 26px; height: 20px; color: var(--border-strong); opacity: 0.7; }
.testimonial-body { color: var(--text-secondary); font-size: 0.92rem; font-style: italic; line-height: 1.6; }
.testimonial-attribution {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gray-500);
  border-top: 1px dashed var(--border-strong);
  padding-top: var(--space-3);
  margin-top: auto;
}
/* Color-coded by audience segment — matches the hero fork's blue (researcher) /
   rose (industry) meaning, plus confirm-green for proven/repeat trust and the
   chart's violet accent for the one cross-cutting, non-segment category. */
.testimonial-card--signal { border-left: 3px solid var(--signal); }
.testimonial-card--signal .testimonial-tag { color: var(--signal-ink); border-color: color-mix(in srgb, var(--signal) 45%, var(--border)); }
.testimonial-card--signal .testimonial-quote-icon { color: var(--signal); opacity: 0.45; }
.testimonial-card--amplicon { border-left: 3px solid var(--amplicon); }
.testimonial-card--amplicon .testimonial-tag { color: var(--amplicon-ink); border-color: color-mix(in srgb, var(--amplicon) 45%, var(--border)); }
.testimonial-card--amplicon .testimonial-quote-icon { color: var(--amplicon); opacity: 0.45; }
.testimonial-card--confirm { border-left: 3px solid var(--confirm); }
.testimonial-card--confirm .testimonial-tag { color: var(--confirm); border-color: color-mix(in srgb, var(--confirm) 45%, var(--border)); }
.testimonial-card--confirm .testimonial-quote-icon { color: var(--confirm); opacity: 0.45; }
.testimonial-card--data5 { border-left: 3px solid var(--data-5); }
.testimonial-card--data5 .testimonial-tag { color: var(--data-5); border-color: color-mix(in srgb, var(--data-5) 45%, var(--border)); }
.testimonial-card--data5 .testimonial-quote-icon { color: var(--data-5); opacity: 0.45; }

/* -------------------- 9. Cards (Services / Research Areas) -------------------- */
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  height: 100%;
}
.card:hover { border-color: var(--signal); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card .tag {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--signal-ink);
}
.card h3 { font-size: 1.05rem; }
.card p { color: var(--text-secondary); font-size: 0.9rem; }
.card-link {
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--signal-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.card-link svg { width: 13px; height: 13px; transition: transform var(--dur-fast) var(--ease); }
.card:hover .card-link svg { transform: translateX(3px); }

.area-card::before { content: none; }
.area-card { border-left: 3px solid var(--amplicon); }
.area-card .card-link { color: var(--amplicon-ink); }

/* -------------------- 10. Process (real sequence — numbering justified) -------------------- */
.process-horizontal { position: relative; }
.process-horizontal::before {
  content: "";
  position: absolute;
  top: 22px;
  left: calc(10% + 22px);
  right: calc(10% + 22px);
  height: 1px;
  background: var(--border-strong);
  z-index: 0;
}
.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}
.process-num-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  transition: border-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
.process-step-h:hover .process-num-circle { border-color: var(--signal); color: var(--signal-ink); }
.process-step-h h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.process-step-h p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.55; }

@media (max-width: 960px) {
  .process-horizontal::before { display: none; }
  .process-track { grid-template-columns: 1fr; gap: 0; }
  .process-step-h {
    display: grid;
    grid-template-columns: 44px 1fr;
    grid-template-rows: auto auto;
    column-gap: var(--space-4);
    row-gap: 0.35rem;
    padding-block: var(--space-6);
    border-top: 1px solid var(--border);
    align-items: start;
  }
  .process-step-h:last-child { border-bottom: 1px solid var(--border); }
  .process-num-circle { margin-bottom: 0; grid-column: 1; grid-row: 1; }
  .process-step-h h3 { grid-column: 2; grid-row: 1; align-self: center; }
  .process-step-h p { grid-column: 2; grid-row: 2; }
}

/* -------------------- 11. Sample deliverable panel -------------------- */
.deliverable-panel {
  background: var(--ink);
  color: var(--text-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (max-width: 900px) { .deliverable-panel { grid-template-columns: 1fr; } }
.deliverable-panel h2 { color: #fff; }
.deliverable-panel .lead { color: #C4CCDA; }
.deliverable-list { margin-top: var(--space-6); display: flex; flex-direction: column; gap: 0.7rem; }
.deliverable-list li {
  display: flex; gap: 0.6rem; align-items: flex-start;
  font-size: 0.92rem; color: #D6DCE6;
}
.deliverable-list svg { color: #7DDCB0; width: 16px; height: 16px; margin-top: 0.2em; flex-shrink: 0; }
.deliverable-mock {
  background: #0B131F;
  border: 1px solid #223047;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #8FA3C2;
  line-height: 1.7;
  overflow: hidden;
}
.deliverable-mock .line-accent { color: #7295F0; }
.deliverable-mock .line-ok { color: #7DDCB0; }

/* -------------------- 12. Pricing -------------------- */
.pricing-grid { align-items: stretch; }
.price-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.price-card--featured { border-color: var(--signal); box-shadow: var(--shadow-md); position: relative; }
.price-card--featured .eyebrow { color: var(--signal-ink); }
.price-figure { font-family: var(--font-mono); font-size: 2.25rem; font-weight: 600; }
.price-figure sup { font-size: 1rem; font-weight: 500; color: var(--text-secondary); }
.price-list { display: flex; flex-direction: column; gap: 0.55rem; margin-top: var(--space-2); }
.price-list li { font-size: 0.875rem; color: var(--text-secondary); display: flex; gap: 0.5rem; }
.price-list svg { color: var(--confirm); width: 14px; height: 14px; margin-top: 0.25em; flex-shrink: 0; }
.price-cta { margin-top: auto; }

/* -------------------- 13. FAQ (accordion) -------------------- */
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}
.faq-question .plus {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 1.5px solid var(--border-strong);
  border-radius: 50%;
  display: grid; place-items: center;
  transition: transform var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.faq-item[data-open="true"] .plus { transform: rotate(45deg); border-color: var(--signal); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-slow) var(--ease);
}
.faq-item[data-open="true"] .faq-answer { max-height: 320px; }
.faq-answer-inner { padding-bottom: var(--space-6); color: var(--text-secondary); max-width: 680px; }

/* -------------------- 14. CTA band -------------------- */
.cta-band {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--ink) 0%, #16273F 100%);
  color: #fff;
  padding: var(--space-12);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #B9C3D4; margin-top: 0.5rem; }
.cta-band-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* -------------------- 15. Footer -------------------- */
.site-footer { border-top: 1px solid var(--border); padding-block: var(--space-16) var(--space-8); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: var(--space-8); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 320px; margin-top: 0.75rem; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { font-size: 0.9rem; color: var(--text-primary); }
.footer-col a:hover { color: var(--signal-ink); }
.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  font-size: var(--fs-small);
  color: var(--text-primary);
}
.footer-legal-links { display: flex; gap: var(--space-4); }
.footer-legal-links a { color: var(--text-primary); font-weight: 500; }
.footer-legal-links a:hover { color: var(--signal-ink); }

/* -------------------- 16. Scroll reveal (progressive enhancement) -------------------- */
[data-reveal] { opacity: 1; transform: none; }
html.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  /* CSS-only safety net: even if the JS reveal logic never runs for any
     reason, this animation force-reveals content after a short delay so it
     can never stay permanently invisible. JS normally reveals first. */
  animation: reveal-failsafe 0.01s linear 2s forwards;
}
html.js-ready [data-reveal].is-visible { opacity: 1; transform: none; animation: none; }
@keyframes reveal-failsafe { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html.js-ready [data-reveal] { opacity: 1; transform: none; transition: none; animation: none; }
}

/* -------------------- 17. Spacing / layout utilities -------------------- */
.mt-tight { margin-top: var(--space-2-5); }
.mt-sm { margin-top: var(--space-3); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-5); }
.mt-xl { margin-top: var(--space-6); }
.text-sm { font-size: 0.9rem; }
.section-sunken { background: var(--bg-sunken); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.grid-align-center { align-items: center; }
.gap-lg { gap: var(--space-12); }
.card--accent-left { border-left: 3px solid var(--amplicon); }
.eyebrow-invert { color: #8FA8F0; }
.btn-outline-invert { border-color: #3A4C6B; color: #fff; }
.nav-quote-mobile { display: none; }

/* -------------------- 18. Hero keyword chips -------------------- */
.keyword-chip-row { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: var(--space-4); }
.keyword-chip {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text-secondary);
  background: var(--bg-raised);
  display: inline-flex;
  align-items: center;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.keyword-chip svg {
  width: 0;
  height: 12px;
  margin-left: 0;
  opacity: 0;
  flex-shrink: 0;
  transition: width var(--dur-fast) var(--ease), margin-left var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.keyword-chip:hover, .keyword-chip:focus-visible {
  color: var(--signal-ink);
  border-color: var(--signal);
  background: color-mix(in srgb, var(--signal) 9%, var(--bg-raised));
  transform: translateY(-1.5px);
  box-shadow: var(--shadow-sm);
}
.keyword-chip:hover svg, .keyword-chip:focus-visible svg { width: 12px; margin-left: 0.4rem; opacity: 1; }

/* ==========================================================================
   PHASE 3 — SHARED INNER-PAGE COMPONENTS (added for service/research pages)
   These are appended so the homepage is untouched. All colors via tokens;
   dark-mode inherits automatically. Zero-overflow + responsive by design.
   ========================================================================== */

/* -------------------- 19. Breadcrumbs -------------------- */
.breadcrumbs { padding-top: var(--space-8); }
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-secondary);
}
.breadcrumbs li { display: inline-flex; align-items: center; gap: 0.4rem; }
.breadcrumbs a { color: var(--text-secondary); border-bottom: 1px solid transparent; }
.breadcrumbs a:hover, .breadcrumbs a:focus-visible { color: var(--signal-ink); border-color: var(--signal); }
.breadcrumbs [aria-current="page"] { color: var(--text-primary); }
.breadcrumbs .sep { color: var(--border-strong); }

/* -------------------- 20. Page hero (inner pages) -------------------- */
.page-hero { padding-block: var(--space-8) var(--space-16); }
.page-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-12);
  align-items: center;
}
@media (max-width: 940px) {
  .page-hero-grid { grid-template-columns: 1fr; gap: var(--space-8); }
}
.page-hero-intro { max-width: 640px; }
.page-hero-intro .h1 { margin-bottom: var(--space-4); }
.page-hero-intro .lead { margin-bottom: var(--space-5); }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }

/* Static spec pills (formats / turnaround / scope) — informational, not links */
.spec-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-5); }
.spec-pill {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  color: var(--text-secondary);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.spec-pill svg { width: 12px; height: 12px; color: var(--signal); flex-shrink: 0; }

/* Inner-page visual card (mirrors hero-visual treatment, no tilt for safety) */
.figure-card {
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 44px rgba(15, 27, 45, 0.14), 0 4px 12px rgba(15, 27, 45, 0.07);
  overflow: hidden;
}
.figure-card svg { display: block; width: 100%; height: auto; }
.figure-card-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-secondary);
}
.figure-legend { display: flex; flex-wrap: wrap; gap: 0.6rem; row-gap: 0.3rem; }
.figure-legend span { display: inline-flex; align-items: center; gap: 0.35rem; }

/* -------------------- 21. Readable prose blocks -------------------- */
.prose { max-width: 68ch; }
.prose p { color: var(--text-secondary); line-height: 1.7; }
.prose p + p { margin-top: var(--space-4); }
.prose strong { color: var(--text-primary); font-weight: 600; }

/* Overview: prose + at-a-glance aside */
.overview-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: var(--space-10);
  align-items: start;
}
.overview-grid .prose { max-width: none; }
.overview-aside {
  background: var(--bg-sunken);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-6) var(--space-2);
  position: sticky;
  top: calc(var(--header-h, 68px) + var(--space-6));
}
.overview-aside-title {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--signal-ink);
  margin: 0 0 var(--space-2);
}
.overview-facts { margin: 0; }
.overview-facts > div { padding-block: var(--space-4); border-top: 1px solid var(--border); }
.overview-facts > div:first-of-type { border-top: 0; }
.overview-facts dt {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 3px;
}
.overview-facts dd { margin: 0; color: var(--text-primary); font-size: 0.95rem; line-height: 1.5; }
@media (max-width: 900px) {
  .overview-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .overview-aside { position: static; }
}

/* Lead-in intro under a section head that still needs body copy */
.section-intro { max-width: 760px; margin-bottom: var(--space-8); }
.section-intro p { color: var(--text-secondary); line-height: 1.7; }
.section-intro p + p { margin-top: var(--space-4); }

/* -------------------- 22. Capability cards (informational, non-link) -------------------- */
.card--static { height: 100%; }
.card--static:hover { border-color: var(--border); box-shadow: none; transform: none; }
.card--static.card--accent { border-top: 3px solid var(--signal); }
.card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--signal) 12%, var(--bg-raised));
  border: 1px solid color-mix(in srgb, var(--signal) 26%, var(--border));
  display: grid; place-items: center;
  color: var(--signal-ink);
  margin-bottom: var(--space-2);
}
.card-icon svg { width: 20px; height: 20px; }
.card--static h3 { font-size: 1.05rem; }
.card--static p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }
.card-meta {
  margin-top: auto;
  padding-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

/* -------------------- 23. Analysis workflow (ordered steps) -------------------- */
.workflow { display: grid; gap: 0; counter-reset: step; }
/* Sticky pipeline intro — stays in view while the steps scroll (desktop only) */
.workflow-intro { align-self: start; }
@media (min-width: 901px) {
  .workflow-intro {
    position: sticky;
    top: calc(var(--header-h, 68px) + var(--space-8));
  }
}
.workflow-step {
  display: grid;
  grid-template-columns: 46px 1fr;
  column-gap: var(--space-5);
  row-gap: 0.35rem;
  padding-block: var(--space-6);
  border-top: 1px solid var(--border);
  align-items: start;
}
.workflow-step:last-child { border-bottom: 1px solid var(--border); }
.workflow-num {
  grid-column: 1; grid-row: 1 / span 2;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 1.5px solid var(--border-strong);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--signal-ink);
}
.workflow-step h3 { grid-column: 2; grid-row: 1; font-size: 1.05rem; }
.workflow-step p { grid-column: 2; grid-row: 2; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; }
.workflow-step .tools-inline {
  grid-column: 2;
  grid-row: 3;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--text-secondary);
  margin-top: 0.3rem;
}
.workflow-step .tools-inline b { color: var(--signal-ink); font-weight: 600; }

/* -------------------- 24. Tool groups / tool chips -------------------- */
.tool-group + .tool-group { margin-top: var(--space-6); }
.tool-group h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}
.tool-chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tool-chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
}
.tool-chip--signal { border-left: 3px solid var(--signal); }
.tool-chip--amplicon { border-left: 3px solid var(--amplicon); }
.tool-chip--confirm { border-left: 3px solid var(--confirm); }
.tool-chip--data5 { border-left: 3px solid var(--data-5); }

/* -------------------- 25. Reference database definition grid -------------------- */
.def-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 900px) { .def-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .def-grid { grid-template-columns: 1fr; } }
.def-item {
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--border-strong);
  background: var(--bg-sunken);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.def-item dt {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--signal-ink);
  margin-bottom: 0.2rem;
}
.def-item dd { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.55; }

/* -------------------- 26. Comparison table -------------------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 0.9rem; }
.cmp-table caption { text-align: left; padding: var(--space-4) var(--space-5) 0; color: var(--text-secondary); font-size: var(--fs-small); }
.cmp-table th, .cmp-table td { padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.cmp-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--border-strong);
}
.cmp-table tbody th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-sunken);
  white-space: nowrap;
}
.cmp-table td { color: var(--text-secondary); }
.cmp-table tbody tr:last-child th, .cmp-table tbody tr:last-child td { border-bottom: none; }

/* -------------------- 27. Callout / note box -------------------- */
.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-left: 3px solid var(--confirm);
  border-radius: var(--radius-md);
  background: var(--bg-sunken);
}
.callout-icon { color: var(--confirm); width: 24px; height: 24px; flex-shrink: 0; }
.callout h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.callout p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.65; }
.callout p + p { margin-top: var(--space-3); }

/* -------------------- 28. Related links grid -------------------- */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 900px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.related-card:hover { border-color: var(--signal); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.related-card .tag {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.related-card strong { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; color: var(--text-primary); }
.related-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.55; }
.related-card .card-link { color: var(--signal-ink); }

/* -------------------- 29. Forms & contact -------------------- */
.contact-grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: var(--space-8); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: var(--space-8); } }

.form-card {
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field--full { grid-column: 1 / -1; }

.form-field label {
  font-size: var(--fs-micro);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  font-weight: 500;
}
.form-field .req { color: var(--amplicon); margin-left: 0.15rem; }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-family: inherit;
  font-size: 0.94rem;
  color: var(--text-primary);
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.form-field textarea { min-height: 8rem; resize: vertical; line-height: 1.55; }
.form-field select { cursor: pointer; }

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 22%, transparent);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--gray-500); opacity: 0.75; }

.form-hint { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); margin-top: var(--space-5); }
.form-note { font-size: 0.8rem; color: var(--text-secondary); max-width: 34ch; }

.form-consent { display: flex; align-items: flex-start; gap: 0.6rem; }
.form-consent input[type="checkbox"] { width: 1rem; height: 1rem; margin-top: 0.18rem; flex: 0 0 auto; accent-color: var(--signal); }
.form-consent label { font-family: inherit; font-size: 0.82rem; text-transform: none; letter-spacing: normal; color: var(--text-secondary); line-height: 1.55; }

.form-status { margin-top: var(--space-4); font-size: 0.86rem; }
.form-status[hidden] { display: none; }

.contact-aside { position: sticky; top: 6rem; display: flex; flex-direction: column; gap: var(--space-5); }
@media (max-width: 900px) { .contact-aside { position: static; } }
.contact-panel {
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-sunken);
}
.contact-panel h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: var(--space-2); }
.contact-panel p, .contact-panel li { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.contact-panel ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; margin-top: var(--space-2); }
.contact-panel li { display: flex; gap: 0.5rem; align-items: flex-start; }
.contact-panel li svg { width: 1rem; height: 1rem; flex: 0 0 auto; margin-top: 0.18rem; color: var(--confirm); }
.contact-email { font-family: var(--font-mono); font-size: 0.86rem; color: var(--signal-ink); word-break: break-all; }
.form-status.is-error { color: var(--amplicon); }
.form-status.is-ok { color: var(--confirm); }

/* -------------------- 30. Long-form prose content (legal, articles) -------------------- */
.prose > h2 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.prose > h2:first-child { margin-top: 0; }
.prose > h3 { margin-top: var(--space-6); margin-bottom: var(--space-2); }
.prose ul, .prose ol { margin: var(--space-4) 0; padding-left: 1.4em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: var(--space-2); color: var(--text-secondary); line-height: 1.7; }
.prose li::marker { color: var(--signal); }
.prose a { color: var(--signal-ink); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { text-decoration-thickness: 2px; }

/* ============================================================
   §31  TEAM / EXPERTS PAGE
   ============================================================ */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.stat-card { background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }
.stat-num { font-family: var(--font-display); font-size: 2.5rem; line-height: 1; color: var(--signal-ink); font-weight: 600; }
.stat-label { display: block; margin-top: var(--space-2); font-weight: 600; color: var(--text-primary); }
.stat-desc { display: block; margin-top: var(--space-2); font-size: 0.84rem; color: var(--text-secondary); line-height: 1.5; }

.person-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.person-card { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: start; background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }
.person-card.person-lead { border-color: color-mix(in srgb, var(--signal) 32%, var(--border)); background: color-mix(in srgb, var(--signal) 4%, var(--bg-raised)); }
.avatar { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-mono); font-weight: 600; font-size: 1.02rem; color: #fff; letter-spacing: 0.4px; }
.avatar-signal { background: var(--signal); }
.avatar-amplicon { background: var(--amplicon); }
.avatar-confirm { background: var(--confirm); }
.avatar-data5 { background: var(--data-5); }
.avatar-caution { background: var(--caution); }
.person-name { font-family: var(--font-display); font-size: 1.12rem; font-weight: 600; margin: 0; line-height: 1.2; }
.person-role { display: block; color: var(--signal-ink); font-weight: 600; font-size: 0.9rem; margin: 3px 0 var(--space-2); }
.person-bio { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.55; margin: 0 0 var(--space-3); }
.person-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }

@media (max-width: 720px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .person-grid { grid-template-columns: 1fr; }
  .person-card { grid-template-columns: auto 1fr; }
}

/* ============ §32  FOOTER GLOBAL PRESENCE ============ */
.footer-brand .footer-offices { margin-top: var(--space-4); }
.footer-brand .footer-presence { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.04em; margin: 0; }
.footer-brand .footer-presence a { color: var(--text-secondary); text-decoration: none; }
.footer-brand .footer-presence a:hover { color: var(--text-primary); text-decoration: underline; }

/* ============ §33  CAREERS / OPEN ROLES ============ */
.job-list { display: grid; gap: var(--space-5); }
.job-card { background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); }
.job-card-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-2) var(--space-4); }
.job-card-head h3 { margin: 0; }
.job-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.job-badge { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.03em; padding: 4px 10px; border-radius: 999px; background: var(--bg-sunken); border: 1px solid var(--border); color: var(--text-secondary); }
.job-desc { color: var(--text-secondary); margin-top: var(--space-3); }
.job-cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-5); }
.job-cols h4 { font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-secondary); margin: 0 0 var(--space-3); }
.job-ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.job-ul li { position: relative; padding-left: 1.3em; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.5; }
.job-ul li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 6px; height: 6px; border-radius: 50%; background: var(--signal); }
.job-meta { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); margin: var(--space-5) 0 0; padding-top: var(--space-4); border-top: 1px solid var(--border); }
.job-meta > div dt { font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); }
.job-meta > div dd { margin: 3px 0 0; color: var(--text-primary); font-weight: 500; font-size: 0.9rem; }
.job-apply { margin-top: var(--space-5); }
@media (max-width: 640px) { .job-cols { grid-template-columns: 1fr; gap: var(--space-4); } }

/* ============ §34  CONTACT METHODS (email / WhatsApp) ============ */
.contact-methods { display: grid; gap: var(--space-3); margin-top: var(--space-3); }
.contact-method { display: flex; align-items: center; gap: 0.6rem; }
.contact-method svg { width: 22px; height: 22px; flex-shrink: 0; }
.contact-method .mail-icon { color: var(--signal-ink); }
.contact-method .wa-icon { color: #25D366; }
.contact-method a { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; color: var(--text-primary); text-decoration: none; word-break: break-all; }
.contact-method a:hover { text-decoration: underline; color: var(--signal-ink); }

/* ============ §35  LEGAL DOCUMENT — single readable column ============ */
.legal-body { max-width: 40rem; }
.legal-body > * + * { margin-top: var(--space-6); }
.legal-body .prose { max-width: none; }
.legal-body .def-grid { grid-template-columns: repeat(2, 1fr); }
.legal-body .tool-chip-row { margin: 0; }
@media (max-width: 560px) { .legal-body .def-grid { grid-template-columns: 1fr; } }