/* ─────────────────────────────────────────────────────────
   Highland Mushrooms — site styles
   v2.0 · B2B redesign · single shared stylesheet
   Palette · Cleanroom Porcelain
   ───────────────────────────────────────────────────────── */

:root {
  /* CLEANROOM PORCELAIN — canonical tokens */
  --porcelain:  #FBFCFD;  /* page background */
  --chalk:      #EEF2F7;  /* secondary surface, panel tints */
  --steel:      #CFD8E3;  /* rules, dividers, hairlines */
  --instrument: #3A64A8;  /* brand · links, eyebrows, accents */
  --ink:        #0C1A2E;  /* body type, headlines, primary buttons, dark sections */
  --signal:     #00A3C4;  /* verified-data only · COAs, UHPLC peaks, "✓ verified" */
  --vellum:     #D4DFEE;  /* photo placeholder fills, soft diagram backgrounds */

  /* SEMANTIC ALIASES — prefer in components */
  --bg:         var(--porcelain);
  --surface:    var(--chalk);
  --rule:       var(--steel);
  --text:       var(--ink);
  --text-muted: #4a5878;
  --text-faint: #7a8499;
  --link:       var(--instrument);
  --accent:     var(--instrument);
  --verified:   var(--signal);

  /* LEGACY ALIASES — existing selectors continue working; values shifted per palette doc */
  --navy:              var(--ink);                  /* CTA bands, footer */
  --navy-2:            #182a52;                     /* mid-tone (unchanged, rarely used) */
  --navy-deep:         var(--ink);                  /* deepest moments */
  --blue-section:      var(--ink);                  /* dark sections — use Ink, per palette doc */
  --blue-section-deep: var(--ink);
  --gold:              var(--instrument);           /* gold → instrument blue, per mapping table */
  --gold-soft:         #5683c0;                     /* lighter instrument tint for hover */
  --paper:             var(--porcelain);
  --cleanroom:         var(--porcelain);
  --tint-blue:         var(--chalk);                /* warm-section surface */
  --off-white:         #f5f7fa;                     /* text on dark, unchanged */
  --ink-2:             var(--text-muted);
  --ink-3:             var(--text-faint);
  --line:              rgba(12,26,46,0.10);
  --line-soft:         rgba(12,26,46,0.05);
  --line-strong:       rgba(12,26,46,0.18);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', -apple-system, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cleanroom);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── TYPOGRAPHY ──────────────────────────────────────────── */
.serif { font-family: 'Source Sans 3', system-ui, sans-serif; }
.mono  { font-family: 'Source Sans 3', sans-serif; }

.kicker {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.kicker .mark {
  color: var(--gold);
  margin-right: 8px;
}

h1, h2, h3, h4 {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.05;
}

.display-xl { font-size: clamp(56px, 8vw, 112px); font-weight: 200; letter-spacing: -0.035em; }
.display-l  { font-size: clamp(44px, 6vw, 80px); font-weight: 200; letter-spacing: -0.032em; }
.display-m  { font-size: clamp(32px, 4.5vw, 56px); font-weight: 300; letter-spacing: -0.025em; }
.display-s  { font-size: clamp(24px, 3vw, 36px); font-weight: 400; letter-spacing: -0.02em; }

p { color: var(--ink-2); }
.lede {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 400;
  line-height: 1.45;
  color: var(--ink);
}

/* ── NAV ─────────────────────────────────────────────────── */
nav.site-nav {
  position: sticky; top: 0;
  background: var(--cleanroom);
  border-bottom: 1px solid var(--line);
  z-index: 100;
  padding: 0 48px;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.wordmark {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 26px; font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.005em;
  display: inline-flex; align-items: center; gap: 12px;
  line-height: 1;
}
.wordmark .mark {
  display: inline-block;
  height: 30px;
  width: auto;
  flex-shrink: 0;
  margin-right: -4px;
  filter: drop-shadow(0 1px 2px rgba(12, 26, 46, 0.14));
}
.wordmark .text-stack {
  display: inline-flex; flex-direction: column; align-items: flex-end;
  line-height: 0.95;
}
.wordmark .sub {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: -2px;
}
.wordmark .dot {
  display: inline-block; width: 4px; height: 4px;
  background: var(--gold); border-radius: 50%;
  margin: 0 6px 4px;
  vertical-align: middle;
}
.footer-wordmark .mark {
  display: inline-block;
  height: 36px;
  width: auto;
  flex-shrink: 0;
  margin-right: -2px;
}
.footer-wordmark .sub {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 247, 250, 0.6);
  margin-top: -2px;
}
.nav-links {
  display: flex; gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}
.nav-cta {
  display: flex; gap: 12px;
  align-items: center;
}
.nav-cta .btn { font-size: 11px; padding: 9px 16px; }
.nav-toggle {
  display: none;
  background: none; border: none;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  padding: 8px;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 22px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: var(--off-white);
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  font-weight: 500;
}
.btn:hover {
  background: var(--navy-deep);
}
.btn.btn-outline {
  background: transparent;
  color: var(--navy);
}
.btn.btn-outline:hover {
  background: var(--navy);
  color: var(--off-white);
}
.btn .arrow { font-family: 'Source Sans 3', sans-serif; font-size: 14px; }

/* ── SECTION FRAMEWORK ───────────────────────────────────── */
.section {
  padding: 160px 48px;
}
.section.tight { padding: 96px 48px; }

/* ── SECTION CANVAS VARIANTS ──────────────────────────────
   Default .section sits on body (cleanroom).
   .section--warm     → pale blue tint background, normal navy text
   .section--dark     → Highland blue background, off-white text, gold accents
   ───────────────────────────────────────────────────────── */
.section--warm {
  background: var(--tint-blue);
}
.section--dark {
  background: var(--blue-section);
  color: var(--off-white);
}
.section--dark .display-l,
.section--dark .display-m,
.section--dark .display-s,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark strong {
  color: var(--off-white);
}
.section--dark .lede {
  color: rgba(245, 247, 250, 0.82);
}
.section--dark p {
  color: rgba(245, 247, 250, 0.74);
}
.section--dark a {
  color: var(--gold-soft);
}
.section--dark .kicker,
.section--dark .num-mark,
.section--dark .kicker .mark {
  color: var(--gold);
}
.section--dark .rule { background: rgba(245, 247, 250, 0.18); }
.section--dark .rule.gold { background: var(--gold); }
/* Buttons inside dark sections */
.section--dark .btn {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--blue-section);
}
.section--dark .btn:hover {
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}
.section--dark .btn.btn-outline {
  background: transparent;
  border-color: var(--off-white);
  color: var(--off-white);
}
.section--dark .btn.btn-outline:hover {
  background: var(--off-white);
  color: var(--blue-section);
}
/* Card-style children inside dark sections need re-treatment */
.section--dark .capability-cell,
.section--dark .cert-card,
.section--dark .research-card {
  border-color: rgba(245, 247, 250, 0.12);
}
.section--dark .capability-cell h3,
.section--dark .cert-card h3 { color: var(--off-white); }
.section--dark .capability-cell p,
.section--dark .cert-card p,
.section--dark .cert-body { color: rgba(245, 247, 250, 0.72); }
.section--dark .research-card .paper-meta { color: var(--gold); border-color: rgba(245, 247, 250, 0.18); }
.section--dark .research-card .paper-title { color: var(--off-white); }
.section--dark .research-card .paper-authors { color: rgba(245, 247, 250, 0.70); }
.section--dark .research-card .paper-journal { color: rgba(245, 247, 250, 0.50); }
.section--dark .research-card .paper-link { color: var(--off-white); border-color: var(--gold); }
.section--dark .research-card .paper-link:hover { color: var(--gold); }
.section--dark .research-disclaimer { color: rgba(245, 247, 250, 0.55); }
.section--dark .cert-cell .cert-name { color: var(--off-white); }
.section--dark .cert-cell .cert-body { color: rgba(245, 247, 250, 0.58); }
/* Team portraits inside warm sections — same bg color, but get a thin outline for definition */
.section--warm .team-card { /* no portrait outline needed */ }
.section-inner {
  max-width: 1280px; margin: 0 auto;
  text-align: center;
}
.section-head {
  display: block;
  margin-bottom: 88px;
  text-align: center;
}
.section-head h2 {
  max-width: 880px;
  margin: 0 auto;
}

/* gold rule used between major blocks */
.rule {
  height: 1px;
  background: var(--line);
  margin: 0 auto;
  max-width: 1280px;
}
.rule.gold {
  background: var(--gold);
  height: 1px;
  max-width: 48px;
  margin: 0;
}

/* ── HERO (home page) ────────────────────────────────────── */
.hero {
  background: var(--cleanroom);
  padding: 140px 48px 120px;
  text-align: center;
}
.hero--dark {
  background: var(--blue-section);
  color: var(--off-white);
}
.hero--dark h1 { color: var(--off-white); }
.hero--dark .lede { color: rgba(245, 247, 250, 0.82); }
.hero--dark .btn {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--blue-section);
}
.hero--dark .btn:hover { background: var(--gold-soft); border-color: var(--gold-soft); }
.hero--dark .btn.btn-outline {
  background: transparent;
  border-color: var(--off-white);
  color: var(--off-white);
}
.hero--dark .btn.btn-outline:hover { background: var(--off-white); color: var(--blue-section); }

/* ── MYCELIAL HERO VARIANT ─────────────────────────────────────
   Adds a living network simulation as background behind the lede.
   The iframe sits absolute behind .hero-inner; opacity tuned so it
   reads as ambient depth, not foreground motion. Pointer-events
   are blocked so clicks pass through to the CTAs. */
.hero--mycelial {
  position: relative;
  overflow: hidden;
}
.hero-mycelial-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
  /* Slight blur softens any sharp filament edges, helping the
     simulation feel like atmospheric texture rather than UI. */
  filter: blur(0.4px);
  /* Fade in after a beat — the iframe contents load asynchronously,
     and an abrupt appearance would feel jarring against the page's
     other quiet motion. */
  animation: heroMycelialFade 2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}
@keyframes heroMycelialFade {
  from { opacity: 0; }
  to   { opacity: 0.55; }
}
.hero--mycelial .hero-inner {
  position: relative;
  z-index: 1;
}
/* Reduced-motion: no iframe — the iframe element hides via
   display:none, replaced with the existing solid Ink background. */
@media (prefers-reduced-motion: reduce) {
  .hero-mycelial-frame { display: none; }
}
.hero-inner {
  max-width: 980px;
  margin: 0 auto;
}
/* Origin / credibility eyebrow — sits between hero lede and CTAs */
.hero-origin {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  margin: 0 auto 36px;
  border: 1px solid rgba(245, 247, 250, 0.18);
  border-radius: 999px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--off-white);
}
.hero-origin .flag {
  display: block;
  height: 12px;
  width: auto;
  border-radius: 1px;
}
.hero h1 {
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 200;
  line-height: 0.96;
  margin-bottom: 36px;
  letter-spacing: -0.04em;
}
/* Screen-reader-only utility */
.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;
}
.hero .lede {
  max-width: 680px;
  margin: 0 auto 48px;
}
.hero-cta {
  display: flex; gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Legacy hero-grid styles kept for any old markup */
.hero-grid {
  max-width: 1400px;
  margin: 0 auto;
}
.hero-left { text-align: center; }
.hero-left .kicker { margin-bottom: 32px; }
.hero-left h1 {
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 200;
  line-height: 0.96;
  margin-bottom: 36px;
  letter-spacing: -0.04em;
}
.hero-left .lede {
  max-width: 680px;
  margin: 0 auto 48px;
}
.hero-left .hero-cta {
  justify-content: center;
}
.hero-right {
  display: none;
}

/* facility stats strip beneath hero */
.facility-strip {
  background: var(--navy);
  color: var(--off-white);
  padding: 88px 48px;
  text-align: center;
}
.facility-strip-inner {
  max-width: 1400px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.facility-stat {
  padding: 0 32px;
  border-right: 1px solid rgba(245, 247, 250, 0.10);
  text-align: center;
}
.facility-stat:first-child { padding-left: 32px; }
.facility-stat:last-child { border-right: none; padding-right: 32px; }
.facility-stat .num {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 200;
  line-height: 1;
  color: var(--off-white);
  letter-spacing: -0.035em;
  margin-bottom: 16px;
}
.facility-stat .num .unit {
  font-size: 0.5em;
  color: var(--gold-soft);
  margin-left: 4px;
}
.facility-stat .label {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 247, 250, 0.55);
  font-weight: 500;
}

/* ── CAPABILITY GRID ─────────────────────────────────────── */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 64px;
  max-width: 1180px;
  margin: 0 auto;
}
.capability-cell {
  padding: 0 24px;
  background: transparent;
  text-align: center;
}
.capability-cell .num-mark {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 28px;
  font-weight: 600;
  text-transform: uppercase;
}
.capability-cell h3 {
  font-size: 32px;
  margin-bottom: 18px;
  font-weight: 300;
  letter-spacing: -0.025em;
}
/* Cognicine™ marker (small superscript trademark) */
.tm {
  font-size: 0.42em;
  font-weight: 400;
  vertical-align: super;
  letter-spacing: 0.02em;
  margin-left: 1px;
}
/* Species name shown smaller below the brand name (e.g. Cognicine™ / Lion's Mane) */
.sub-species {
  display: block;
  font-size: 0.75em;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: -0.018em;
  margin-top: 4px;
  line-height: 1;
}
.capability-cell p {
  font-size: 14px;
  line-height: 1.75;
  max-width: 340px;
  margin: 0 auto;
}

/* ── PROCESS / TIMELINE ─────────────────────────────────── */
.process-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 96px 80px;
  max-width: 1180px;
  margin: 0 auto;
}
.process-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0;
}
.process-row .step-num {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 72px;
  font-weight: 200;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}
.process-row .step-title {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--navy);
  line-height: 1.05;
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}
.process-row .step-body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 440px;
  margin-bottom: 28px;
}
.process-row .step-spec {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 2;
  font-weight: 500;
}
.process-row .step-spec strong {
  color: var(--navy);
  font-weight: 600;
}

/* ── PHOTO BAND ──────────────────────────────────────────── */
.photo-band {
  height: 80vh;
  min-height: 540px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.photo-band img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.photo-band .caption {
  position: absolute;
  bottom: 56px; left: 50%;
  transform: translateX(-50%);
  color: var(--off-white);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  background: rgba(12, 26, 46, 0.65);
  padding: 16px 28px;
  backdrop-filter: blur(8px);
  font-weight: 500;
  text-align: center;
}

/* ── CERTIFICATIONS GRID ─────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 56px 40px;
  max-width: 1180px;
  margin: 0 auto;
}
.cert-cell {
  padding: 24px 16px;
  text-align: center;
  background: transparent;
  position: relative;
}
.cert-cell .cert-mark {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 48px;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 24px;
  font-weight: 300;
}
.cert-cell .cert-name {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.cert-cell .cert-body {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 1.8;
  font-weight: 500;
}

/* ── PEOPLE / FOUNDER BLOCK ──────────────────────────────── */
.founders {
  display: block;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.founders-photo {
  aspect-ratio: 1/1;
  background: var(--ink);
  overflow: hidden;
  max-width: 560px;
  margin: 0 auto 48px;
}
.founders-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center center;
}
.founders-text {
  text-align: center;
}
.founder-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1180px;
  margin: 0 auto;
}
.founder-card {
  display: flex; flex-direction: column;
  align-items: center;
  text-align: center;
}
.founder-portrait {
  aspect-ratio: 3/4;
  width: 100%;
  max-width: 380px;
  background: var(--tint-blue);
  overflow: hidden;
  margin-bottom: 36px;
}
.founder-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 18%;
  filter: contrast(1.02);
}
.founder-card .kicker {
  margin-bottom: 16px;
}
.founder-card h3 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 300;
  margin-bottom: 20px;
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.founder-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  margin-bottom: 14px;
  max-width: 420px;
}
.founder-card p:last-child { margin-bottom: 0; }
.credentials-list {
  list-style: none;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.credentials-list li {
  display: block;
  padding: 20px 0;
  font-size: 14px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.credentials-list li .who {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: block;
  margin-bottom: 10px;
}
.credentials-list li .what {
  color: var(--ink-2);
  display: block;
  line-height: 1.7;
}
.founders-text h2 {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 300;
  margin-bottom: 24px;
  letter-spacing: -0.025em;
}
.founders-text .lede {
  margin-bottom: 32px;
}

/* ── PRODUCT / SPECIMEN CARD ─────────────────────────────── */
.specimen-row {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--paper);
  margin-bottom: 48px;
}
.specimen-row:last-child { margin-bottom: 0; }
.specimen-row.flip {
  grid-template-columns: 7fr 5fr;
}
.specimen-photo {
  background: var(--navy-deep);
  min-height: 540px;
  position: relative;
  overflow: hidden;
}
.specimen-photo img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 24px;
}
.specimen-row.flip .specimen-photo { order: 2; }
.specimen-row.flip .specimen-body { order: 1; }
.specimen-body {
  padding: 56px 64px;
  display: flex; flex-direction: column;
  justify-content: center;
}
.specimen-body .specimen-id {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 20px;
}
.specimen-body h3 {
  font-size: 48px;
  margin-bottom: 14px;
  font-weight: 200;
  letter-spacing: -0.03em;
}
.specimen-body .scientific {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-style: italic;
  color: var(--ink-2);
  font-size: 18px;
  margin-bottom: 28px;
}
.specimen-body p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 480px;
}
.specimen-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.specimen-specs .s {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.specimen-specs .s .v {
  display: block;
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 28px;
  font-weight: 300;
  color: var(--navy);
  letter-spacing: -0.025em;
  margin-bottom: 4px;
  text-transform: none;
}
.specimen-specs .s .l {
  color: var(--ink-3);
}

/* ── FORMS ───────────────────────────────────────────────── */
.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 64px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
  box-shadow: 0 18px 44px -10px rgba(12, 26, 46, 0.18);
}
.form-card h2 {
  font-size: 36px;
  font-weight: 300;
  margin-bottom: 12px;
  text-align: center;
  letter-spacing: -0.025em;
}
.form-card .lede {
  font-size: 18px;
  color: var(--ink-2);
  margin: 0 auto 40px;
  text-align: center;
  max-width: 540px;
}
.form-card > .kicker {
  text-align: center;
  display: block;
}
.field-group {
  margin-bottom: 24px;
}
.field-group label {
  display: block;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
  font-weight: 600;
}
.field-group label .req { color: var(--gold); }
.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 12px 0;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: transparent;
  transition: border-color 0.18s;
}
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}
.field-group textarea { resize: vertical; min-height: 96px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.form-card .btn {
  margin: 24px auto 0;
  display: flex;
  justify-content: center;
  width: fit-content;
}

.contact-grid {
  display: block;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}
.contact-info {
  margin-top: 80px;
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.contact-info p { text-align: center; }
.contact-info dl {
  margin-top: 40px;
  text-align: center;
}
.contact-info dt {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 24px 0 4px;
  font-weight: 600;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: var(--navy);
  letter-spacing: -0.005em;
  line-height: 1.5;
  margin: 0;
}

/* Dossier form — inherits the vertical stack; no special overrides */
#dossier .contact-info dl {
  margin-top: 32px;
}
/* Checkbox grid for dossier "Documentation requested" multi-select */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin-top: 4px;
}
.field-group label.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-2);
  cursor: pointer;
  padding: 4px 0;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  margin-bottom: 0;
}
.field-group label.checkbox-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 3px 0 0;
  flex-shrink: 0;
  accent-color: var(--blue-section);
  cursor: pointer;
  border: 1px solid var(--line-strong);
  background: transparent;
  padding: 0;
}
.field-group label.checkbox-label:hover { color: var(--navy); }
@media (max-width: 720px) {
  .checkbox-grid { grid-template-columns: 1fr; gap: 10px; }
}

/* ── CAREERS PAGE: HIRING TERMS DL ───────────────────────── */
.hiring-terms {
  margin: 0;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px 40px;
  align-items: baseline;
}
.hiring-terms dt {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--off-white);
  font-weight: 600;
  margin: 0;
  opacity: 0.85;
}
.hiring-terms dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--off-white);
  opacity: 0.92;
}
@media (max-width: 720px) {
  .hiring-terms { grid-template-columns: 1fr; gap: 8px 0; }
  .hiring-terms dt { margin-top: 16px; }
  .hiring-terms dt:first-child { margin-top: 0; }
}

/* ── CAREERS PAGE: JOB DESCRIPTION ACCORDION ─────────────── */
.job-details {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--steel);
}
.job-details summary {
  cursor: pointer;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--instrument);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  outline-offset: 4px;
  transition: color 0.2s ease;
}
.job-details summary::-webkit-details-marker { display: none; }
.job-details summary::marker { content: ""; }
.job-details summary:hover { color: var(--ink); }
.job-details .job-details-arrow {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.job-details[open] .job-details-arrow { transform: rotate(90deg); }
.job-details-body {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--steel);
}
.job-details-body h4 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 10px;
  letter-spacing: 0.16em;
}
.job-details-body h4:first-child { margin-top: 0; }
.job-details-body p,
.job-details-body li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}
.job-details-body p { margin: 0 0 4px; }
.job-details-body ul {
  list-style: disc;
  padding-left: 22px;
  margin: 0;
}
.job-details-body ul li { margin-bottom: 6px; }
.job-apply-btn { margin-top: 32px; }

/* ── ABOUT PAGE TIMELINE ─────────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 720px;
  margin: 0 auto;
}
.timeline-entry {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 56px 0;
  border-bottom: none;
  position: relative;
}
.timeline-entry::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 1px;
  background: var(--line);
}
.timeline-entry:last-child::after { display: none; }
.timeline-entry .year {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 56px;
  font-weight: 200;
  color: var(--gold);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
}
.timeline-entry .marker {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
  margin-bottom: 24px;
}
.timeline-entry .copy {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 560px;
}
.timeline-entry .copy strong {
  color: var(--navy);
  font-weight: 600;
}

/* ── CALLOUT / CTA ───────────────────────────────────────── */
.cta-band {
  background: var(--navy);
  color: var(--off-white);
  padding: 120px 48px;
  text-align: center;
}
.cta-band h2 {
  color: var(--off-white);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 200;
  max-width: 880px;
  margin: 0 auto 32px;
  letter-spacing: -0.04em;
}
.cta-band p {
  color: rgba(245, 247, 250, 0.7);
  font-size: 17px;
  max-width: 580px;
  margin: 0 auto 48px;
}
.cta-band .btn {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}
.cta-band .btn:hover { background: var(--gold-soft); border-color: var(--gold-soft); }
.cta-band .btn.btn-outline {
  background: transparent;
  border-color: rgba(245, 247, 250, 0.3);
  color: var(--off-white);
}
.cta-band .btn.btn-outline:hover {
  background: var(--off-white);
  border-color: var(--off-white);
  color: var(--navy);
}
.cta-band-cta {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap;
}

/* ── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--navy-deep);
  color: var(--off-white);
  padding: 80px 48px 32px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(245, 247, 250, 0.1);
}
.footer-grid h4 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  font-weight: 500;
}
.footer-grid ul { list-style: none; }
.footer-grid li {
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-grid a {
  color: rgba(245, 247, 250, 0.7);
  transition: color 0.18s;
}
.footer-grid a:hover { color: var(--off-white); }
.footer-wordmark {
  font-family: 'Source Sans 3', system-ui, sans-serif;
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.footer-wordmark .text-stack {
  display: inline-flex; flex-direction: column; align-items: flex-end;
  line-height: 0.95;
}
.footer-wordmark .dot {
  display: inline-block; width: 5px; height: 5px;
  background: var(--gold); border-radius: 50%;
  margin: 0 6px 5px;
  vertical-align: middle;
}
.footer-tagline {
  color: rgba(245, 247, 250, 0.6);
  font-size: 14px;
  line-height: 1.6;
  max-width: 320px;
}
.footer-base {
  padding-top: 32px;
  display: flex; justify-content: space-between;
  align-items: center;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 247, 250, 0.4);
}

/* ── PAGE HEADER (non-home pages) ────────────────────────── */
.page-header {
  background: var(--cleanroom);
  padding: 120px 48px 100px;
  text-align: center;
}
.page-header-inner {
  max-width: 980px; margin: 0 auto;
}
.page-header .kicker { margin-bottom: 32px; }
.page-header h1 {
  font-size: clamp(56px, 7vw, 104px);
  font-weight: 200;
  line-height: 0.96;
  margin-bottom: 32px;
  letter-spacing: -0.04em;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.page-header .lede {
  max-width: 720px;
  margin: 0 auto;
}

/* ── UTILITY ─────────────────────────────────────────────── */
.text-center { text-align: center; }
.muted { color: var(--ink-3); }

/* ── CHEMISTRY PAGE ─────────────────────────────────────── */

/* Hero — chemistry page */
.chem-hero {
  background: var(--cleanroom);
  padding: 200px 48px 120px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.chem-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
}
.chem-hero-kicker {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.chem-hero-kicker .num {
  color: var(--ink-3);
}
.chem-hero-kicker .rule {
  width: 60px; height: 1px; background: var(--line);
}
.chem-hero h1 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 200;
  letter-spacing: -0.045em;
  line-height: 0.95;
  color: var(--navy);
  margin: 0 0 16px;
}
.chem-hero .lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 660px;
  margin: 56px 0 0;
}
.chem-hero-meta {
  position: absolute;
  bottom: 0;
  right: 0;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  text-align: right;
  line-height: 1.9;
}

/* Chapter — universal numbered section header */
.chapter {
  padding: 160px 48px 80px;
}
.chapter-head {
  max-width: 1280px;
  margin: 0 auto 96px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 64px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 64px;
}
.chapter-marker {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  line-height: 1.7;
}
.chapter-marker .num {
  color: var(--ink-3);
  display: block;
  font-size: 11px;
  margin-bottom: 4px;
}
.chapter-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 200;
  letter-spacing: -0.035em;
  line-height: 1.02;
  color: var(--navy);
  margin: 0;
}
@media (max-width: 800px) {
  .chapter-head { grid-template-columns: 1fr; gap: 24px; }
  .chapter { padding: 100px 32px 60px; }
}

/* Two-column compound spec layout */
.compound {
  max-width: 1280px;
  margin: 0 auto 160px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 96px;
  align-items: start;
}
@media (max-width: 1024px) {
  .compound { grid-template-columns: 1fr; gap: 48px; }
}
.compound-structure {
  position: sticky;
  top: 120px;
  padding: 56px 48px;
  background: var(--paper);  /* keep pure white so SVG molecule reads cleanly */
  border: 1px solid var(--line);
}
.compound-structure svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 500px;
  margin: 0 auto;
}
.compound-structure-caption {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  text-align: center;
}
@media (max-width: 1024px) {
  .compound-structure { position: static; }
}

.compound-body h3 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin: 0 0 8px;
  line-height: 1.1;
}
.compound-body .compound-subtitle {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 13px;
  font-style: italic;
  color: var(--ink-2);
  margin-bottom: 32px;
  line-height: 1.4;
}
.compound-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  margin: 0 0 20px;
}

/* Metadata table — periodic-table-card style */
.compound-meta {
  margin: 40px 0;
  border-top: 1px solid var(--navy);
}
.compound-meta dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0;
}
.compound-meta dt,
.compound-meta dd {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
  line-height: 1.5;
}
.compound-meta dt {
  color: var(--ink-3);
  font-weight: 500;
}
.compound-meta dd {
  color: var(--navy);
  font-weight: 600;
  text-align: right;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 13px;
}
.compound-meta dd .sub { font-size: 0.75em; vertical-align: sub; }

/* Reference / footnote callout */
.compound-ref {
  margin-top: 32px;
  padding: 24px 28px;
  background: var(--tint-blue);
  border-left: 2px solid var(--gold);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-2);
  font-style: italic;
}
.compound-ref strong {
  font-style: normal;
  color: var(--navy);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.18em;
  display: block;
  margin-bottom: 6px;
}

/* Inline molecular pill chips */
.chem-chip {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--navy);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy);
  margin: 0 2px;
  white-space: nowrap;
}

/* Compound family ladder — overview of all hericenones / erinacines */
.compound-ladder {
  max-width: 1180px;
  margin: 0 auto 80px;
}
.ladder-label {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 28px;
}
.ladder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.ladder-item {
  background: var(--cleanroom);
  padding: 24px 18px;
  text-align: center;
}
.ladder-item .letter {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 32px;
  font-weight: 200;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.ladder-item .name {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.ladder-item.highlight {
  background: var(--blue-section);
}
.ladder-item.highlight .letter { color: var(--gold); }
.ladder-item.highlight .name { color: var(--tint-blue); }

/* Mechanism block — Erinacines and NGF */
.mechanism {
  max-width: 1180px;
  margin: 0 auto 120px;
  padding: 64px 56px;
  background: var(--navy);
  color: var(--off-white);
}
.mechanism-eyebrow {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 24px;
}
.mechanism h3 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 36px;
  font-weight: 200;
  letter-spacing: -0.03em;
  margin: 0 0 32px;
  line-height: 1.1;
  color: var(--off-white);
}
.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
}
@media (max-width: 900px) {
  .mechanism-grid { grid-template-columns: 1fr; gap: 32px; }
  .mechanism { padding: 48px 32px; }
}
.mechanism-step {
  border-top: 1px solid rgba(245, 247, 250, 0.18);
  padding-top: 24px;
}
.mechanism-step .step-no {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}
.mechanism-step h4 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  color: var(--off-white);
}
.mechanism-step p {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(245, 247, 250, 0.78);
  margin: 0;
}

/* Identification / UHPLC chromatogram block */
.id-block {
  max-width: 1280px;
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 900px) {
  .id-block { grid-template-columns: 1fr; gap: 48px; }
}
.id-figure {
  padding: 48px;
  background: var(--tint-blue);
  border: 1px solid var(--line);
}
.id-figure svg {
  width: 100%;
  height: auto;
  display: block;
}
.id-body h3 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin: 0 0 24px;
  line-height: 1.1;
}
.id-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  margin: 0 0 20px;
}
.id-meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.id-meta-cell .label {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 6px;
}
.id-meta-cell .value {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 22px;
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--navy);
}

/* Compound name marquee — bottom of page */
.compound-marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 32px 0;
  overflow: hidden;
  position: relative;
  background: var(--cleanroom);
}
.marquee-track {
  display: flex;
  gap: 64px;
  animation: marquee-scroll 60s linear infinite;
  width: max-content;
  white-space: nowrap;
}
.marquee-track > span {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-weight: 400;
}
.marquee-track > span strong {
  color: var(--navy);
  font-weight: 500;
}
.marquee-track > span em {
  color: var(--gold);
  font-style: normal;
  font-weight: 600;
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Animation: fade-up on scroll-into-view.
   Motion character: opacity resolves quickly; the transform rides a long
   deceleration curve so the element settles into place with a sense of weight
   (still finding its position a beat after it's already visible). */
.fade-up {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.in { opacity: 1; transform: translateY(0); }

/* Staggered reveal — direct children of a .fade-group animate in sequence
   when the group scrolls into view (used for grids of cells/tiles/cards). */
.fade-group > * {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-group.in > * { opacity: 1; transform: translateY(0); }
.fade-group.in > *:nth-child(1) { transition-delay: 0.00s; }
.fade-group.in > *:nth-child(2) { transition-delay: 0.10s; }
.fade-group.in > *:nth-child(3) { transition-delay: 0.20s; }
.fade-group.in > *:nth-child(4) { transition-delay: 0.30s; }
.fade-group.in > *:nth-child(5) { transition-delay: 0.40s; }
.fade-group.in > *:nth-child(6) { transition-delay: 0.50s; }
.fade-group.in > *:nth-child(7) { transition-delay: 0.60s; }

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .fade-group > * { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* Chemistry page — tablet refinements */
@media (max-width: 900px) {
  .chem-hero { padding: 140px 32px 80px; }
  .chem-hero-meta {
    position: static;
    margin-top: 56px;
    text-align: left;
  }
  .compound-structure { padding: 36px 24px; }
}

/* Chemistry page — phone */
@media (max-width: 640px) {
  .chem-hero { padding: 120px 24px 64px; }
  .chem-hero-kicker {
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
  }
  .chem-hero-kicker .rule { width: 40px; }
  .chem-hero .lede { font-size: 16px; margin-top: 40px; }
  .chem-hero-meta {
    font-size: 9px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
  }

  .chapter { padding: 80px 24px 48px; }
  .chapter-head { margin-bottom: 56px; padding-top: 48px; gap: 18px; }
  .chapter-marker { font-size: 9px; }
  .chapter-title { font-size: 32px; }

  /* Compound deep-dives */
  .compound { gap: 36px; margin-bottom: 96px; }
  .compound-structure {
    padding: 24px 16px;
    margin-left: -8px;
    margin-right: -8px;
  }
  .compound-structure-caption {
    font-size: 9px;
    margin-top: 20px;
    padding-top: 16px;
  }
  .compound-body h3 { font-size: 26px; }
  .compound-body .compound-subtitle { font-size: 12px; margin-bottom: 24px; }
  .compound-body p { font-size: 14px; line-height: 1.7; }

  /* Stack the metadata dl as label/value rows */
  .compound-meta { margin: 28px 0; }
  .compound-meta dl { display: block; }
  .compound-meta dt {
    border-bottom: none;
    padding: 12px 0 4px;
    font-size: 10px;
  }
  .compound-meta dd {
    text-align: left;
    padding: 0 0 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--line);
  }
  .compound-ref { padding: 20px 22px; font-size: 12px; }

  /* Ladder */
  .compound-ladder { margin-bottom: 56px; }
  .ladder-grid { grid-template-columns: repeat(4, 1fr); }
  .ladder-item { padding: 16px 8px; }
  .ladder-item .letter { font-size: 24px; }
  .ladder-item .name { font-size: 8px; letter-spacing: 0.1em; }

  /* Mechanism */
  .mechanism { padding: 40px 24px; margin-bottom: 80px; }
  .mechanism-eyebrow { font-size: 9px; margin-bottom: 20px; }
  .mechanism h3 { font-size: 26px; margin-bottom: 24px; }
  .mechanism-grid { gap: 24px; margin-top: 32px; }
  .mechanism-step { padding-top: 20px; }
  .mechanism-step h4 { font-size: 15px; }
  .mechanism-step p { font-size: 13px; }

  /* Identification */
  .id-block { gap: 36px; }
  .id-figure { padding: 24px 16px; }
  .id-body h3 { font-size: 26px; margin-bottom: 20px; }
  .id-body p { font-size: 14px; }
  .id-meta-row {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 28px;
    padding-top: 24px;
  }
  .id-meta-cell {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
  }
  .id-meta-cell:last-child { border-bottom: none; padding-bottom: 0; }
  .id-meta-cell .label { margin-bottom: 0; }
  .id-meta-cell .value { font-size: 18px; }

  /* Marquee */
  .compound-marquee { padding: 22px 0; }
  .marquee-track { gap: 40px; }
  .marquee-track > span { font-size: 12px; }
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px 56px;
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
}
.team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 380px;
  margin: 0 auto;
  text-align: center;
}
.team-card::before {
  content: "";
  display: block;
  width: 32px;
  height: 1px;
  background: var(--instrument);
  margin-bottom: 28px;
  opacity: 0.6;
}
.team-role {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 14px;
}
.team-name {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.15;
  margin: 0 0 18px;
}
.team-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
  max-width: 360px;
  margin: 0;
}
.team-card-centered {
  grid-column: 2;
}

/* JOIN-OUR-TEAM CARD */
.join-card {
  max-width: 880px;
  margin: 0 auto;
  padding: 96px 56px;
  background: var(--tint-blue);
  text-align: center;
}
.join-card-meta {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 64px 40px; max-width: 820px; }
  .team-card-centered { grid-column: auto; }
}
@media (max-width: 640px) {
  .team-grid { grid-template-columns: 1fr; gap: 56px; max-width: 420px; }
  .team-card-centered { grid-column: auto; }
  .join-card { padding: 64px 32px; }
  .team-name { font-size: 24px; }
}
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1180px;
  margin: 0 auto;
  text-align: left;
}
.research-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  padding: 0;
}
.research-card .paper-meta {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.research-card .paper-title {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 22px;
  font-weight: 300;
  color: var(--navy);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
  flex: 1;
}
.research-card .paper-authors {
  font-size: 13px;
  font-style: italic;
  color: var(--ink-2);
  line-height: 1.5;
  margin-bottom: 12px;
}
.research-card .paper-journal {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 24px;
}
.research-card .paper-link {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  font-weight: 600;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
  align-self: flex-start;
  transition: color 0.18s, border-color 0.18s;
}
.research-card .paper-link:hover {
  color: var(--gold);
}
.research-disclaimer {
  margin-top: 64px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 12px;
  color: var(--ink-3);
  font-style: italic;
  line-height: 1.6;
}
@media (max-width: 1024px) {
  .research-grid { grid-template-columns: 1fr; gap: 56px; max-width: 540px; }
}
@media (max-width: 640px) {
  .research-card .paper-title { font-size: 19px; }
}
.facility-flow {
  --ff-paper: #f4f1e8;
  --ff-paper-bright: #fbfaf4;
  --ff-ink: var(--navy);
  --ff-ink-soft: var(--ink-2);
  --ff-line: var(--navy);
  --ff-rule: rgba(12, 26, 46, 0.15);
  --ff-gold: var(--gold);
  background: var(--ff-paper);
  padding: 96px 48px 112px;
}
.facility-flow-inner {
  max-width: 1400px;
  margin: 0 auto;
}
.facility-flow .legend {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ff-ink-soft);
  font-weight: 600;
  padding: 0 0 28px;
  margin-bottom: 32px;
  border-bottom: 1px dashed var(--ff-rule);
}
.facility-flow .legend .meta {
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ff-ink-soft);
  margin-left: 8px;
}
.facility-flow .swatch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.facility-flow .swatch i {
  width: 12px; height: 12px;
  display: inline-block;
  border: 1px solid var(--ff-line);
}
.facility-flow .diagram-wrap {
  position: relative;
  width: 100%;
  background: var(--ff-paper-bright);
  padding: 24px 16px;
  border: 1px solid var(--ff-rule);
}
.facility-flow svg.diagram {
  width: 100%;
  height: auto;
  display: block;
}
.facility-flow .phase-grid {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--ff-line);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  font-size: 12px;
  color: var(--ff-ink-soft);
}
.facility-flow .phase-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 14px;
  border-left: 2px solid var(--ff-line);
}
.facility-flow .phase-card .pn {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ff-ink-soft);
  font-weight: 600;
}
.facility-flow .phase-card .pt {
  font-size: 17px;
  color: var(--ff-ink);
  font-weight: 400;
  letter-spacing: -0.01em;
}
.facility-flow .phase-card .pd {
  font-size: 12px;
  color: var(--ff-ink-soft);
  line-height: 1.55;
  font-weight: 400;
}
@media (max-width: 1024px) {
  .facility-flow { padding: 72px 28px; }
  .facility-flow .phase-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .facility-flow .legend { gap: 18px; font-size: 9px; letter-spacing: 0.14em; }
}
@media (max-width: 640px) {
  .facility-flow { padding: 56px 20px; }
  .facility-flow .phase-grid { grid-template-columns: 1fr; gap: 24px; }
  .facility-flow .diagram-wrap { padding: 16px 8px; }
  .facility-flow .legend { padding-bottom: 20px; margin-bottom: 24px; gap: 12px; }
  .facility-flow .swatch i { width: 10px; height: 10px; }
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  nav.site-nav { padding: 0 28px; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--cleanroom);
    border-bottom: 1px solid var(--line);
    padding: 24px 28px;
    gap: 16px;
  }
  .hero { padding: 100px 28px 96px; }
  .facility-strip { padding: 64px 28px; }
  .facility-strip-inner { grid-template-columns: repeat(2, 1fr); gap: 48px 0; }
  .facility-stat { border-right: none; padding: 0 16px; }
  .facility-stat:nth-child(odd) { border-right: 1px solid rgba(245, 247, 250, 0.10); }
  .facility-stat:nth-last-child(-n+2) {  }
  .section { padding: 112px 28px; }
  .section.tight { padding: 72px 28px; }
  .section-head { margin-bottom: 64px; }
  .capability-grid { grid-template-columns: 1fr; gap: 64px; max-width: 480px; }
  .process-list { grid-template-columns: 1fr; gap: 72px; max-width: 540px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 32px; max-width: 640px; }
  .founder-pair { grid-template-columns: 1fr; gap: 80px; max-width: 480px; }
  .founder-portrait { aspect-ratio: 4/5; max-width: 100%; }
  .specimen-row,
  .specimen-row.flip { grid-template-columns: 1fr; }
  .specimen-row.flip .specimen-photo { order: 0; }
  .specimen-row.flip .specimen-body { order: 1; }
  .specimen-photo { min-height: 420px; }
  .specimen-body { padding: 40px 32px; }
  .specimen-body h3 { font-size: 38px; }
  .form-card { padding: 48px 32px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .timeline-entry { padding: 40px 0; }
  .cta-band { padding: 96px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .page-header { padding: 80px 28px; }
}
@media (max-width: 640px) {
  nav.site-nav { padding: 0 20px; height: 64px; }
  .wordmark { font-size: 22px; }
  .wordmark .mark { height: 24px; }
  .wordmark .text-stack { gap: 6px; }
  .hero { padding: 72px 20px 72px; }
  .hero h1, .hero-left h1 { font-size: 44px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .lede { font-size: 17px; }
  .facility-strip { padding: 48px 20px; }
  .facility-strip-inner { gap: 40px 0; }
  .facility-stat { padding: 0 8px; }
  .facility-stat .num { font-size: 36px; }
  .section { padding: 80px 20px; }
  .section.tight { padding: 56px 20px; }
  .section-head { margin-bottom: 48px; }
  .capability-cell { padding: 0 8px; }
  .capability-cell h3 { font-size: 26px; }
  .process-row .step-num { font-size: 56px; }
  .process-row .step-title { font-size: 28px; }
  .cert-grid { grid-template-columns: 1fr; max-width: 320px; gap: 56px; }
  .cert-cell .cert-mark { font-size: 44px; }
  .specimen-body { padding: 32px 24px; }
  .specimen-body h3 { font-size: 30px; }
  .specimen-specs { grid-template-columns: 1fr; gap: 16px; }
  .timeline-entry { padding: 36px 0; }
  .timeline-entry .year { font-size: 36px; }
  .timeline-entry .copy { font-size: 14px; }
  .timeline-entry .copy strong { display: inline; }
  .founder-pair { gap: 64px; max-width: 100%; }
  .founder-card h3 { font-size: 26px; }
  .founder-card p { font-size: 14px; }
  .form-card { padding: 28px 20px; }
  .form-card h2 { font-size: 28px; }
  .field-group label { font-size: 9px; }
  .photo-band { height: 60vh; min-height: 360px; }
  .photo-band .caption { bottom: 20px; font-size: 9px; padding: 12px 16px; letter-spacing: 0.16em; }
  .page-header { padding: 64px 20px; }
  .page-header h1 { font-size: 40px; line-height: 1.02; letter-spacing: -0.03em; }
  .page-header .lede { font-size: 16px; }
  .cta-band { padding: 72px 20px; }
  .cta-band h2 { font-size: 36px; line-height: 1.05; }
  .cta-band p { font-size: 15px; }
  .cta-band-cta { flex-direction: column; align-items: stretch; gap: 12px; width: 100%; max-width: 320px; margin: 0 auto; }
  .cta-band-cta .btn { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; text-align: center; }
  .footer-base { flex-direction: column; gap: 16px; text-align: center; }
}

/* ════════════════════════════════════════════════════════════════
   DESIGN ENHANCEMENTS — added in v2 polish pass
   ──────────────────────────────────────────────────────────────
   Categories:
   1) Scroll-driven progression — staggered section-head reveal
   3) Photographic dimension — parallax + brighten on hover
   4) Color refinements — signal cyan as verified-data accent
   5) Micro-interactions — hover states on cards/buttons/photos
   ════════════════════════════════════════════════════════════════ */

/* ── 1. STAGGERED SECTION-HEAD REVEAL ───────────────────────────
   When a .section.fade-up containing a .section-head scrolls in,
   the kicker/num-mark inside reveals slightly before the h2,
   creating editorial rhythm rather than monolithic arrival. */
.section.fade-up .section-head .kicker,
.section.fade-up .section-head .num-mark {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0s;
}
.section.fade-up .section-head h2 {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.12s;
}
.section.fade-up.in .section-head .kicker,
.section.fade-up.in .section-head .num-mark,
.section.fade-up.in .section-head h2 {
  opacity: 1;
  transform: translateY(0);
}

/* ── 3. PHOTOGRAPHIC DIMENSION ─────────────────────────────────
   Photo bands use JS-driven parallax on desktop (see scroll.js).
   A subtle box-shadow below each band creates the impression that
   the image is lifted slightly above the page surface — the
   "documentary tile" effect, very slight. On hover, brighten
   slightly to read as tactile content. */
.photo-band {
  overflow: hidden;
  position: relative;
  box-shadow: 0 24px 60px -8px rgba(12, 26, 46, 0.30);
}
.photo-band img {
  transition: filter 0.6s ease;
}
.photo-band:hover img {
  filter: brightness(1.04) contrast(1.02);
}

/* ── 5a. CAPABILITY CELLS — LIFT ON HOVER ──────────────────────
   Cards (capabilities, founders, careers cells) gain a quiet lift
   when hovered. Editorial elegance preserved at rest (no resting
   shadow); on hover, a soft shadow appears with the lift, so
   interaction reveals the cell as a tactile card. */
.capability-cell {
  transition:
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.capability-cell:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px -12px rgba(12, 26, 46, 0.22);
}

/* Dark-section variant — shadow on light reads as wrong on Ink;
   just keep the lift, no shadow */
.section--dark .capability-cell:hover {
  transform: translateY(-3px);
  box-shadow: none;
}

/* ── 5b. BUTTONS — DEPTH + RECEIVING-POINTER HOVER ─────────────
   Subtle resting shadow gives the button physical presence as an
   actionable object; on hover, the shadow deepens slightly and
   the arrow slides forward, signaling the button is receiving
   the pointer. */
.btn {
  transition:
    background 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 10px -2px rgba(12, 26, 46, 0.20);
}
.btn:hover {
  box-shadow: 0 8px 18px -4px rgba(12, 26, 46, 0.28);
}
/* Outline buttons on dark backgrounds — softer shadow, lighter tone */
.btn.btn-outline {
  box-shadow: 0 4px 10px -2px rgba(0, 0, 0, 0.18);
}
.btn.btn-outline:hover {
  box-shadow: 0 8px 18px -4px rgba(0, 0, 0, 0.26);
}
.btn .arrow {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-block;
}
.btn:hover .arrow {
  transform: translateX(4px);
}

/* ════════════════════════════════════════════════════════════════
   TIER 2 ENHANCEMENTS — added in v3 polish pass
   ──────────────────────────────────────────────────────────────
   5) Founders photo shadow — visual consistency with photo-bands
   6) Cognicine™ typographic accent — slight set on the brand name
   7) Warm section paper grain — physical surface for editorial feel
   8) Compound structure shadow — chemistry cards lift off page
   ════════════════════════════════════════════════════════════════ */

/* 5. Founders photo lifts off the page with the same shadow vocabulary
   as photo-bands (slightly lighter since the photo is smaller and contained). */
.founders-photo {
  box-shadow: 0 20px 50px -10px rgba(12, 26, 46, 0.26);
}

/* 6. Cognicine™ — slight typographic set on the brand name. Very subtle;
   the cumulative effect across multiple instances is to register the
   word as a deliberate brand mark, not just ordinary text. */
.cognicine {
  letter-spacing: -0.005em;
  font-weight: 500;
}

/* 7. Warm section paper grain — barely-visible SVG noise texture that
   reads as paper/material rather than flat color. Opacity is critical:
   too high looks like JPEG artifacts; too low is wasted effort.
   ~3% lands as "paper" without "compression damage". */
.section--warm {
  position: relative;
}
.section--warm::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
  mix-blend-mode: multiply;
}
.section--warm > * {
  position: relative;
  z-index: 1;
}

/* 8. Compound structure cards (chemistry page) — lift off the page with
   the same shadow vocabulary as form cards. Maintains the consistent
   "card lifted off surface" dimensional language across the site. */
.compound-structure {
  box-shadow: 0 18px 44px -10px rgba(12, 26, 46, 0.16);
}

/* ── 5c. LINKS — UNDERLINE-FROM-LEFT ──────────────────────────
   Body/nav links get a thoughtful underline that slides in from
   the left, rather than the default text-decoration. */
.nav-links a {
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ── 5d. WORDMARK — SUBTLE CHEVRON HOVER ──────────────────────
   The chevron mark in the nav gets a quiet hover treatment when
   the wordmark is hovered as a whole, reading as a single brand
   link rather than a logo-next-to-text. */
.wordmark {
  transition: opacity 0.3s ease;
}
.wordmark:hover {
  opacity: 0.78;
}

/* ── 4. SIGNAL CYAN AS VERIFIED-DATA ACCENT ────────────────────
   Currently signal cyan lives only on the chemistry chromatogram.
   Extending it as a small "verified" indicator for places where
   data is presented as analytically confirmed. */
.verified-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--signal);
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 8px;
  box-shadow: 0 0 0 2px rgba(0, 163, 196, 0.18);
}

/* Kicker leading rule — short colored dash that gives kickers
   slightly more visual presence without changing the typography. */
.kicker {
  position: relative;
}

/* ── REDUCED MOTION RESPECT ───────────────────────────────────
   Override the above for users who prefer reduced motion. */
@media (prefers-reduced-motion: reduce) {
  .section.fade-up .section-head .kicker,
  .section.fade-up .section-head .num-mark,
  .section.fade-up .section-head h2 {
    opacity: 1; transform: none; transition: none;
  }
  .section.fade-up .photo-band img {
    transform: none; transition: none;
  }
  .capability-cell, .btn, .btn .arrow, .nav-links a::after, .wordmark {
    transition: none;
  }
  .capability-cell:hover, .btn:hover .arrow {
    transform: none;
  }
  .photo-band:hover img {
    filter: none;
  }
}