/* ==========================================================================
   OnKommon — Precision Oncology, Navigated
   Design system & site styles
   Brand: #4F1865 (purple) · #D2F9EA (mint)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Brand — purple */
  --ink-950: #1A0722;
  --ink-900: #2A0C36;
  --ink-800: #3A1049;
  --brand-700: #4F1865; /* primary brand */
  --brand-600: #632080;
  --brand-500: #7B378F;
  --brand-400: #9A63A9;
  --brand-200: #D8C7E0;
  --brand-100: #EDE4F1;
  --brand-50:  #F7F3FA;

  /* Brand — mint */
  --mint-100: #EAFDF5;
  --mint-200: #D2F9EA; /* brand mint */
  --mint-400: #7FD9B8;
  --mint-600: #17795A; /* accessible mint-family text on light */
  --mint-700: #0F5C44;

  /* Neutrals */
  --paper:   #FBFAFC;
  --surface: #FFFFFF;
  --ink:     #1C1322;
  --body:    #3D3448;
  --muted:   #6B6178;
  --line:    #E6E0EB;
  --line-strong: #D4CBDC;

  /* Semantic */
  --warn-bg: #FFF8E9;
  --warn-line: #E8D7AC;
  --warn-ink: #6B4E10;

  /* Type */
  --font-display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --font-ui: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --step--1: clamp(0.82rem, 0.80rem + 0.10vw, 0.875rem);
  --step-0:  clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --step-1:  clamp(1.125rem, 1.07rem + 0.28vw, 1.25rem);
  --step-2:  clamp(1.35rem, 1.24rem + 0.55vw, 1.6rem);
  --step-3:  clamp(1.65rem, 1.44rem + 1.05vw, 2.15rem);
  --step-4:  clamp(2rem, 1.62rem + 1.9vw, 2.9rem);
  --step-5:  clamp(2.4rem, 1.75rem + 3.25vw, 4rem);

  /* Space */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px; --s-10: 128px;

  /* Shape */
  --r-sm: 4px; --r-md: 8px; --r-lg: 16px; --r-pill: 999px;

  /* Layout */
  --wrap: 1200px;
  --wrap-wide: 1360px;
  --prose: 68ch;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --t-fast: 140ms;
  --t-base: 240ms;

  /* Elevation — hairline first, shadow sparingly */
  --shadow-sm: 0 1px 2px rgba(28, 19, 34, 0.05);
  --shadow-md: 0 6px 24px -8px rgba(28, 19, 34, 0.14);
  --shadow-lg: 0 24px 60px -24px rgba(42, 12, 54, 0.32);

  --header-h: 116px;
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--font-ui);
  font-size: var(--step-0);
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.012em;
  margin: 0 0 var(--s-4);
  text-wrap: balance;
}

h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); }
h4 {
  font-size: var(--step-1);
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
}

p { margin: 0 0 var(--s-4); text-wrap: pretty; }
p:last-child, ul:last-child, ol:last-child { margin-bottom: 0; }

a { color: var(--brand-700); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--brand-600); }

strong, b { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

hr { border: 0; border-top: 1px solid var(--line); margin: var(--s-7) 0; }

::selection { background: var(--mint-200); color: var(--ink-900); }

:focus-visible {
  outline: 3px solid var(--brand-600);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -100px;
  z-index: 200;
  background: var(--brand-700);
  color: #fff;
  padding: var(--s-3) var(--s-5);
  border-radius: var(--r-md);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: var(--s-4); color: #fff; }

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

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */

.wrap { width: min(100% - 2 * var(--s-5), var(--wrap)); margin-inline: auto; }
.wrap-wide { width: min(100% - 2 * var(--s-5), var(--wrap-wide)); margin-inline: auto; }
.prose { max-width: var(--prose); }

@media (min-width: 1024px) {
  .wrap, .wrap-wide { width: min(100% - 2 * var(--s-8), var(--wrap)); }
  .wrap-wide { width: min(100% - 2 * var(--s-8), var(--wrap-wide)); }
}

.section { padding-block: var(--s-9); }
.section--tight { padding-block: var(--s-8); }
.section--loose { padding-block: var(--s-10); }
.section--paper { background: var(--paper); }
.section--surface { background: var(--surface); }
.section--tint { background: var(--brand-50); }
.section--rule { border-top: 1px solid var(--line); }

.section--dark {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.82);
}
.section--dark h2, .section--dark h3, .section--dark h4, .section--dark strong {
  color: #fff;
}
.section--dark a { color: var(--mint-200); }

.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-6); }

.grid { display: grid; gap: var(--s-5); }
@media (min-width: 700px)  { .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 700px)  { .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 700px)  { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* Editorial split: sticky heading beside content */
.split { display: grid; gap: var(--s-6); }
@media (min-width: 1000px) {
  .split { grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: var(--s-8); }
  .split > .split-aside { position: sticky; top: calc(var(--header-h) + var(--s-5)); align-self: start; }
}

/* --------------------------------------------------------------------------
   4. Typographic utilities
   -------------------------------------------------------------------------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin: 0 0 var(--s-4);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--mint-400);
  flex: none;
}
.section--dark .eyebrow { color: var(--mint-200); }
.section--dark .eyebrow::before { background: var(--mint-400); }

.lede {
  font-size: var(--step-1);
  line-height: 1.6;
  color: var(--body);
  max-width: 62ch;
}
.section--dark .lede { color: rgba(255, 255, 255, 0.88); }

/* Section index, shown inside the eyebrow: "03 · THE ECOSYSTEM" */
.section-num {
  color: var(--brand-400);
  font-variant-numeric: tabular-nums;
}
.section-num + * , .eyebrow .section-num::after {
  content: "";
}
.eyebrow .section-num::after {
  content: "\00B7";
  margin: 0 0.55em;
  opacity: 0.7;
}
.eyebrow--index .section-num::after { content: none; }
.eyebrow--index .section-num::after { content: none; }
.section--dark .section-num { color: var(--mint-400); }

.kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.serif-quote {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.3;
  color: var(--ink);
  font-style: italic;
}

/* Bulleted lists — content book uses a lot of these */
ul.list, ol.list { padding-left: 0; margin: 0 0 var(--s-4); list-style: none; }
ul.list > li, ol.list > li {
  position: relative;
  padding-left: var(--s-6);
  margin-bottom: var(--s-3);
}
ul.list > li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.68em;
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 2px solid var(--brand-500);
}
.section--dark ul.list > li::before { border-color: var(--mint-400); }

ol.list { counter-reset: ol; }
ol.list > li { counter-increment: ol; padding-left: var(--s-7); }
ol.list > li::before {
  content: counter(ol);
  position: absolute;
  left: 0; top: 0.15em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand-600);
  background: var(--brand-100);
  width: 1.65rem; height: 1.65rem;
  border-radius: 50%;
  display: grid; place-items: center;
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */

.btn {
  --btn-bg: var(--brand-700);
  --btn-fg: #fff;
  --btn-bd: var(--brand-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 48px;
  padding: var(--s-3) var(--s-6);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--r-pill);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn:hover { --btn-bg: var(--brand-600); --btn-bd: var(--brand-600); color: #fff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--secondary { --btn-bg: transparent; --btn-fg: var(--brand-700); --btn-bd: var(--line-strong); }
.btn--secondary:hover { --btn-bg: var(--brand-50); --btn-bd: var(--brand-400); color: var(--brand-700); }

.btn--mint { --btn-bg: var(--mint-200); --btn-fg: var(--ink-900); --btn-bd: var(--mint-200); }
.btn--mint:hover { --btn-bg: var(--mint-400); --btn-bd: var(--mint-400); color: var(--ink-900); }

.btn--ghost-light { --btn-bg: transparent; --btn-fg: #fff; --btn-bd: rgba(255,255,255,0.35); }
.btn--ghost-light:hover { --btn-bg: rgba(255,255,255,0.1); --btn-bd: rgba(255,255,255,0.6); color: #fff; }

.btn--sm { min-height: 40px; padding: var(--s-2) var(--s-5); font-size: 0.875rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--brand-700);
}
.link-arrow::after {
  content: "→";
  transition: transform var(--t-fast) var(--ease);
}
.link-arrow:hover { text-decoration: underline; }
.link-arrow:hover::after { transform: translateX(3px); }
.section--dark .link-arrow { color: var(--mint-200); }

/* --------------------------------------------------------------------------
   6. Header
   -------------------------------------------------------------------------- */

.utility-bar {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.8125rem;
  line-height: 1.4;
}
.utility-bar .wrap-wide {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  min-height: 40px;
  padding-block: var(--s-2);
}
.utility-bar__partner { display: inline-flex; align-items: center; gap: var(--s-2); }
.utility-bar__partner .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--mint-400); flex: none; }
.utility-bar__links { display: flex; flex-wrap: wrap; gap: var(--s-5); }
.utility-bar a { color: rgba(255, 255, 255, 0.82); text-decoration: none; }
.utility-bar a:hover { color: var(--mint-200); text-decoration: underline; }

@media (max-width: 900px) { .utility-bar { display: none; } }

.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t-base) var(--ease);
}
.masthead.is-stuck { box-shadow: var(--shadow-md); }

/* The masthead needs more room than the editorial grid: use tighter gutters. */
.masthead .wrap-wide,
.utility-bar .wrap-wide {
  width: min(100% - var(--s-6), 1440px);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  min-height: 76px;
}

.brand {
  display: inline-flex; align-items: center; gap: var(--s-3);
  text-decoration: none; flex: none;
  min-height: 44px; /* touch target — the wordmark itself is shorter */
}
.brand img.brand__word { width: 168px; }
.brand__mark { width: 30px; height: 30px; flex: none; }
@media (max-width: 480px) { .brand img.brand__word { width: 132px; } }

/* Primary nav + mega menu */
.nav { display: none; }
@media (min-width: 1180px) { .nav { display: flex; align-items: center; gap: 0; } }

.nav__item { position: relative; }

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--body);
  text-decoration: none;
  border-radius: var(--r-sm);
  background: none;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.nav__link:hover, .nav__link[aria-expanded="true"] { color: var(--brand-700); background: var(--brand-50); }
.nav__link[aria-current="page"], .nav__item.is-active > .nav__link { color: var(--brand-700); font-weight: 600; }
.nav__link .chev { width: 9px; height: 9px; transition: transform var(--t-fast) var(--ease); opacity: 0.55; }
.nav__link[aria-expanded="true"] .chev { transform: rotate(180deg); }

.megamenu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 320px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--s-3);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), visibility var(--t-fast);
}
.megamenu[data-open="true"] { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.megamenu--wide { min-width: 640px; }

/* Menus near the ends of the bar anchor to their edge so they never leave the viewport. */
.megamenu--start { left: 0; transform: translateY(-6px); }
.megamenu--start[data-open="true"] { transform: translateY(0); }
.megamenu--end { left: auto; right: 0; transform: translateY(-6px); }
.megamenu--end[data-open="true"] { transform: translateY(0); }
.megamenu { max-width: calc(100vw - 2 * var(--s-5)); }

.megamenu__head {
  padding: var(--s-3) var(--s-4) var(--s-2);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--s-2);
}
.megamenu__head .kicker { display: block; margin-bottom: 2px; }
.megamenu__head p { font-size: 0.8125rem; color: var(--muted); margin: 0; }

.megamenu__list { display: grid; gap: 2px; }
.megamenu--wide .megamenu__list { grid-template-columns: 1fr 1fr; gap: 2px var(--s-3); }

.megamenu__link {
  display: block;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--ink);
  transition: background var(--t-fast) var(--ease);
}
.megamenu__link:hover { background: var(--brand-50); color: var(--brand-700); }
.megamenu__link strong { display: block; font-size: 0.9375rem; font-weight: 600; }
.megamenu__link span { display: block; font-size: 0.8125rem; color: var(--muted); line-height: 1.45; }
.megamenu__link:hover span { color: var(--body); }

.masthead__actions { display: flex; align-items: center; gap: var(--s-3); flex: none; }
@media (max-width: 1179px) { .masthead__actions .btn { display: none; } }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  cursor: pointer;
  color: var(--ink);
}
/* Only the header toggle hides on desktop — the drawer's own close button must always show. */
@media (min-width: 1180px) { .masthead .nav-toggle { display: none; } }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: var(--surface);
  overflow-y: auto;
  padding: var(--s-5) 0 var(--s-9);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--t-base) var(--ease), visibility var(--t-base);
}
.drawer[data-open="true"] { transform: translateX(0); visibility: visible; }
.drawer__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--s-6); }
.drawer__group { border-top: 1px solid var(--line); }
.drawer__group > button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-4) 0;
  background: none;
  border: 0;
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}
.drawer__group > button .chev { width: 12px; transition: transform var(--t-fast) var(--ease); }
.drawer__group > button[aria-expanded="true"] .chev { transform: rotate(180deg); }
.drawer__panel { display: none; padding-bottom: var(--s-4); }
.drawer__panel[data-open="true"] { display: grid; gap: 2px; }
.drawer__panel a {
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  background: var(--brand-50);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9375rem;
}
.drawer__panel a:hover { background: var(--brand-100); }
.drawer__cta { margin-top: var(--s-6); display: grid; gap: var(--s-3); }

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.84);
  padding-block: var(--s-9) var(--s-9);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(99, 32, 128, 0.75) 0%, rgba(42, 12, 54, 0) 62%),
    radial-gradient(90% 70% at 4% 96%, rgba(23, 121, 90, 0.32) 0%, rgba(42, 12, 54, 0) 60%);
  z-index: -1;
}
.hero h1 { color: #fff; }
.hero .lede { color: rgba(255, 255, 255, 0.86); }

.hero--home { padding-block: var(--s-10) var(--s-10); }
.hero__grid { display: grid; gap: var(--s-8); align-items: center; }
@media (min-width: 1000px) {
  .hero__grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: var(--s-9); }
}

.hero__statement {
  font-family: var(--font-display);
  font-size: var(--step-5);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 var(--s-5);
}
.hero__statement em { font-style: italic; color: var(--mint-200); }

.hero__actions { margin-top: var(--s-7); }
.hero__note { margin-top: var(--s-5); font-size: 0.875rem; color: rgba(255,255,255,0.62); }

/* Page hero (interior pages) */
.hero--page { padding-block: var(--s-8) var(--s-8); }
.hero--page h1 { font-size: var(--step-4); margin-bottom: var(--s-4); }
.hero--page .lede { max-width: 60ch; }

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--s-5);
  list-style: none; padding: 0;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.breadcrumb a:hover { color: var(--mint-200); text-decoration: underline; }
.breadcrumb li + li::before { content: "/"; margin-right: var(--s-2); opacity: 0.5; }

/* Orbit graphic — built from the OnKommon mark geometry */
.orbit { width: 100%; max-width: 460px; margin-inline: auto; }
.orbit .ring { fill: none; stroke: rgba(210, 249, 234, 0.22); stroke-width: 1; }
.orbit .ring--dash { stroke-dasharray: 3 9; stroke: rgba(210, 249, 234, 0.34); }
.orbit .arc { fill: none; stroke: var(--mint-200); stroke-width: 7; stroke-linecap: round; }
.orbit .bar { stroke: var(--mint-200); stroke-width: 7; stroke-linecap: round; }
.orbit .node { fill: var(--mint-400); }
.orbit .node--dim { fill: rgba(210, 249, 234, 0.4); }
.orbit .spin { transform-origin: 200px 200px; animation: orbit-spin 46s linear infinite; }
.orbit .spin--rev { animation-duration: 68s; animation-direction: reverse; }

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

/* --------------------------------------------------------------------------
   8. Cards
   -------------------------------------------------------------------------- */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
.card h3, .card h4 { margin-bottom: 0; }
.card p { margin-bottom: 0; }
.card > .link-arrow { margin-top: auto; padding-top: var(--s-3); }

a.card { text-decoration: none; color: var(--body); }
a.card:hover { border-color: var(--brand-400); transform: translateY(-3px); box-shadow: var(--shadow-md); }
a.card:hover h3, a.card:hover h4 { color: var(--brand-700); }

.card__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--brand-100);
  padding: 5px var(--s-3);
  border-radius: var(--r-pill);
}
.card__tag--mint { color: var(--mint-700); background: var(--mint-200); }
.card__tag--free { color: var(--mint-700); background: var(--mint-100); border: 1px solid var(--mint-400); }

.card--dark {
  background: var(--ink-800);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.8);
}
.card--dark h3, .card--dark h4 { color: #fff; }

.card--flush { background: transparent; border: 0; padding: 0; }

/* Job cards: DECIDE / TRACK / CATCH / PROTECT */
.jobcard { position: relative; overflow: hidden; }
.jobcard__word {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--mint-700);
  background: var(--mint-100);
  border: 1px solid var(--mint-400);
  border-radius: var(--r-pill);
  padding: 4px var(--s-3);
  align-self: flex-start;
}

/* Layer cards (CloneTrace, SynerGx …) */
.layer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand-500);
  border-radius: var(--r-md);
  padding: var(--s-5) var(--s-6);
}
.layer h4 { margin-bottom: var(--s-2); }
.layer h4 .tm { font-family: var(--font-mono); font-size: 0.75em; vertical-align: super; color: var(--brand-500); }
.layer p { margin: 0; font-size: 0.9375rem; }
.section--dark .layer { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.12); border-left-color: var(--mint-400); }

/* Stat / number highlight */
.stat { display: flex; flex-direction: column; gap: var(--s-1); }
.stat__value {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1;
  color: var(--brand-700);
}
.section--dark .stat__value { color: var(--mint-200); }
.stat__label { font-size: 0.875rem; color: var(--muted); }
.section--dark .stat__label { color: rgba(255,255,255,0.7); }

/* --------------------------------------------------------------------------
   9. Steppers, stages and key points
   -------------------------------------------------------------------------- */

/* Numbered stepper: a connected line of steps rather than stacked boxes. */
.stepper {
  list-style: none;
  margin: var(--s-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--s-5);
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s-4);
  align-items: start;
}

.step__dot {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  background: var(--brand-700);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 0 0 6px var(--paper);
}

.step__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin-bottom: 2px;
}

.step__title {
  display: block;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--ink);
  line-height: 1.35;
}

.step__body {
  margin: var(--s-2) 0 0;
  font-size: 0.9375rem;
  max-width: 46ch;
}

/* Vertical connector */
.stepper:not(.stepper--row) .step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 44px;
  bottom: calc(var(--s-5) * -1);
  width: 2px;
  background: linear-gradient(var(--brand-200), var(--brand-200));
}

/* Horizontal on wide screens */
@media (min-width: 900px) {
  .stepper--row {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: var(--s-6);
  }
  .stepper--row .step {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-4);
  }
  .stepper--row .step::after {
    content: "";
    position: absolute;
    left: 44px;
    right: calc(var(--s-6) * -1);
    top: 22px;
    height: 2px;
    background: var(--brand-200);
  }
  .stepper--row .step:last-child::after { display: none; }
  .stepper--row .step__body { max-width: none; }
}

/* Dark-section variants */
.section--dark .step__dot { background: var(--mint-200); color: var(--ink-900); box-shadow: 0 0 0 6px var(--ink-900); }
.section--dark .step__label { color: var(--mint-200); }
.section--dark .step__title { color: #fff; }
.section--dark .stepper:not(.stepper--row) .step:not(:last-child)::before,
.section--dark .stepper--row .step::after { background: rgba(210, 249, 234, 0.3); }

/* Four-stage arc */
.stages { display: grid; gap: var(--s-4); margin-top: var(--s-6); }
@media (min-width: 700px)  { .stages { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .stages { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-5); } }

.stage {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand-700);
  border-radius: var(--r-md);
  padding: var(--s-5) var(--s-5) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.stage__n {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}
.stage__word {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--mint-700);
  background: var(--mint-100);
  border: 1px solid var(--mint-400);
  border-radius: var(--r-pill);
  padding: 3px var(--s-3);
  align-self: flex-start;
  margin: 0;
}
.stage h3 { font-size: var(--step-1); font-family: var(--font-ui); font-weight: 600; margin: var(--s-2) 0 0; }
.stage p:not([class]) { font-size: 0.9375rem; margin: 0; }
.stage .link-arrow { margin-top: auto; padding-top: var(--s-4); }

/* Stat band */
.statband {
  display: grid;
  gap: var(--s-5);
  margin-top: var(--s-6);
  border-top: 1px solid var(--line);
  padding-top: var(--s-6);
}
@media (min-width: 600px) { .statband { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 900px) { .statband { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-6); } }
.statband__item { display: grid; gap: var(--s-1); }
.statband__value {
  font-family: var(--font-display);
  font-size: var(--step-4);
  line-height: 1;
  color: var(--brand-700);
  font-variant-numeric: tabular-nums;
}
.statband__label { font-size: 0.9375rem; color: var(--muted); }
.section--dark .statband { border-top-color: rgba(255,255,255,0.16); }
.section--dark .statband__value { color: var(--mint-200); }
.section--dark .statband__label { color: rgba(255,255,255,0.72); }

/* Key points: short, scannable, no long prose */
.keypoints { display: grid; gap: var(--s-5); margin-top: var(--s-6); }
@media (min-width: 700px)  { .keypoints--2, .keypoints--3, .keypoints--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .keypoints--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .keypoints--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.keypoint { border-top: 2px solid var(--brand-700); padding-top: var(--s-4); }
.keypoint h4 { margin-bottom: var(--s-2); }
.keypoint p { margin: 0; font-size: 0.9375rem; }
.section--dark .keypoint { border-top-color: var(--mint-400); }

/* --------------------------------------------------------------------------
   10. Tables
   -------------------------------------------------------------------------- */

.table-scroll { overflow-x: auto; margin: var(--s-6) 0 0; border-radius: var(--r-md); }
.table-scroll:focus-visible { outline-offset: 0; }

table.data {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.9375rem;
  text-align: left;
}
table.data caption {
  text-align: left;
  font-size: 0.875rem;
  color: var(--muted);
  padding-bottom: var(--s-3);
}
table.data th, table.data td {
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--brand-50);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
table.data tbody th {
  font-weight: 600;
  color: var(--ink);
  width: 1%;
  white-space: nowrap;
}
/* Row-header links fill the cell so they are comfortable to tap. */
table.data tbody th a {
  display: block;
  padding-block: 10px;
  margin-block: -10px;
}
table.data tbody tr:last-child th, table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: var(--brand-50); }
table.data .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Terminology table — quieter */
table.data--terms tbody th { color: var(--brand-700); font-family: var(--font-ui); }

.section--dark table.data { background: rgba(255,255,255,0.03); color: rgba(255,255,255,0.82); }
.section--dark table.data thead th { background: rgba(255,255,255,0.07); color: var(--mint-200); border-bottom-color: rgba(255,255,255,0.2); }
.section--dark table.data th, .section--dark table.data td { border-bottom-color: rgba(255,255,255,0.12); }
.section--dark table.data tbody th { color: #fff; }
.section--dark table.data tbody tr:hover { background: rgba(255,255,255,0.05); }

/* --------------------------------------------------------------------------
   11. Editorial blocks
   -------------------------------------------------------------------------- */

/* Decoder — plain-language explainer, mint */
.decoder {
  background: var(--mint-100);
  border: 1px solid var(--mint-400);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  margin: var(--s-6) 0 0;
}
.decoder__label {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint-700);
  margin-bottom: var(--s-3);
}
.decoder__label svg { width: 14px; height: 14px; flex: none; }
.decoder h4 { color: var(--ink-900); margin-bottom: var(--s-2); }
.decoder p { color: #234438; margin-bottom: var(--s-3); }
.decoder p:last-child { margin-bottom: 0; }

/* Callout — neutral highlight */
.callout {
  background: var(--brand-50);
  border: 1px solid var(--brand-200);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  margin: var(--s-6) 0 0;
}
.callout h4 { margin-bottom: var(--s-2); }
.callout p:last-child { margin-bottom: 0; }

.callout--rule {
  background: transparent;
  border: 0;
  border-left: 3px solid var(--brand-500);
  border-radius: 0;
  padding: var(--s-1) 0 var(--s-1) var(--s-6);
}

/* Pull statement — big serif line used for principles */
.principle {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.25;
  color: var(--ink);
  border-top: 2px solid var(--brand-700);
  padding-top: var(--s-5);
  margin: 0 0 var(--s-5);
  max-width: 34ch;
}
.section--dark .principle { color: #fff; border-top-color: var(--mint-400); }

/* Research & evidence */
.evidence { border-top: 1px solid var(--line); }
.evidence__study {
  display: grid;
  gap: var(--s-2);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 800px) {
  .evidence__study { grid-template-columns: minmax(0, 3.5rem) minmax(0, 1fr) minmax(0, 15rem); gap: var(--s-5); align-items: start; }
}
.evidence__n {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--brand-400);
  padding-top: 4px;
}
.evidence__claim { font-weight: 600; color: var(--ink); margin-bottom: var(--s-2); }
.evidence__body { font-size: 0.9375rem; margin: 0; }
.evidence__cite {
  font-size: 0.8125rem;
  color: var(--muted);
  font-style: italic;
  margin: 0;
  padding-top: 2px;
}
.evidence__disclaimer {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: var(--s-5);
  max-width: 72ch;
}
.section--dark .evidence, .section--dark .evidence__study { border-color: rgba(255,255,255,0.14); }
.section--dark .evidence__claim { color: #fff; }
.section--dark .evidence__cite, .section--dark .evidence__disclaimer { color: rgba(255,255,255,0.62); }

/* Transparency — what we DO / DON'T */
.transparency { display: grid; gap: var(--s-5); margin-top: var(--s-6); }
@media (min-width: 800px) { .transparency { grid-template-columns: 1fr 1fr; gap: var(--s-6); } }

.transparency__col {
  border-radius: var(--r-lg);
  padding: var(--s-6);
  border: 1px solid var(--line);
  background: var(--surface);
}
.transparency__col--do { border-color: var(--mint-400); background: var(--mint-100); }
.transparency__col--dont { border-color: var(--line-strong); background: var(--brand-50); }
.transparency__col h4 { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-4); }
.transparency__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s-3); }
.transparency__col li { position: relative; padding-left: var(--s-6); font-size: 0.9375rem; }
.transparency__col li::before {
  position: absolute; left: 0; top: 0.05em;
  font-family: var(--font-mono);
  font-weight: 600;
}
.transparency__col--do li { color: #234438; }
.transparency__col--do li::before { content: "✓"; color: var(--mint-700); }
.transparency__col--dont li::before { content: "✕"; color: var(--brand-600); }

/* Regulatory / important information — quiet, legal register */
.legal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  margin-top: var(--s-5);
}
.legal h4 { font-size: 0.9375rem; color: var(--ink); margin-bottom: var(--s-3); }
.legal ul { list-style: none; padding: 0; margin: var(--s-3) 0 0; display: grid; gap: var(--s-2); }
.legal li { position: relative; padding-left: var(--s-5); }
.legal li::before { content: "•"; position: absolute; left: var(--s-2); color: var(--brand-400); }
.legal p:last-child { margin-bottom: 0; }

/* Pricing band */
.pricing {
  border: 1px solid var(--brand-200);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--brand-50), var(--surface));
  padding: var(--s-6);
  margin-top: var(--s-6);
}
.pricing__figure {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.1;
  color: var(--brand-700);
  margin-bottom: var(--s-2);
}
.pricing__figure .unit { font-family: var(--font-ui); font-size: 0.9375rem; color: var(--muted); }
.pricing__note { font-size: 0.9375rem; margin: 0; }

/* Gene / marker chips */
.chips { display: flex; flex-wrap: wrap; gap: var(--s-2); margin: var(--s-4) 0 0; padding: 0; list-style: none; }
.chips li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--brand-700);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 4px var(--s-3);
}
.chips--mint li { color: var(--mint-700); border-color: var(--mint-400); background: var(--mint-100); }

/* Second-opinion recurring block */
.second-opinion {
  display: grid;
  gap: var(--s-4);
  align-items: center;
  background: var(--ink-800);
  color: rgba(255, 255, 255, 0.82);
  border-radius: var(--r-lg);
  padding: var(--s-6) var(--s-7);
  margin-top: var(--s-6);
}
@media (min-width: 860px) {
  .second-opinion { grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-7); }
}
.second-opinion h4 { color: #fff; margin-bottom: var(--s-2); }
.second-opinion p { margin: 0; font-size: 0.9375rem; }

/* Accordion (FAQ) */
.accordion { border-top: 1px solid var(--line); }
.accordion__item { border-bottom: 1px solid var(--line); }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-5) 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.3;
  color: var(--ink);
}
.accordion__trigger:hover { color: var(--brand-700); }
.accordion__icon { flex: none; width: 22px; height: 22px; margin-top: 4px; position: relative; }
.accordion__icon::before, .accordion__icon::after {
  content: ""; position: absolute; inset: 50% 0 auto 0;
  height: 2px; background: var(--brand-600);
  transition: transform var(--t-base) var(--ease);
}
.accordion__icon::after { transform: rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: rotate(0deg); }
.accordion__panel { display: none; padding-bottom: var(--s-5); max-width: var(--prose); }
.accordion__panel[data-open="true"] { display: block; }

/* Dictionary / glossary */
.deflist { display: grid; gap: 0; margin: var(--s-6) 0 0; }
.deflist__row {
  display: grid;
  gap: var(--s-1);
  padding: var(--s-4) 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 700px) {
  .deflist__row { grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: var(--s-6); align-items: baseline; }
}
.deflist__row:first-child { border-top: 1px solid var(--line); }
.deflist__term { font-weight: 600; color: var(--brand-700); }
.deflist__def { margin: 0; font-size: 0.9375rem; }

/* Video playlist */
.playlist { list-style: none; padding: 0; margin: var(--s-6) 0 0; display: grid; gap: var(--s-3); }
.playlist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s-4);
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--s-4) var(--s-5);
}
.playlist__play {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--brand-100);
  color: var(--brand-700);
  display: grid; place-items: center;
  flex: none;
}
.playlist__play svg { width: 12px; height: 12px; }
.playlist strong { display: block; color: var(--ink); }
.playlist span { font-size: 0.9375rem; }

/* Testimonial placeholder slots */
.quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  display: grid;
  gap: var(--s-4);
}
.quote-card blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--ink);
}
.quote-card figcaption { font-size: 0.8125rem; color: var(--muted); }

/* Editorial note (visible only to the site team, styled but unobtrusive) */
.todo {
  background: var(--warn-bg);
  border: 1px dashed var(--warn-line);
  border-radius: var(--r-md);
  padding: var(--s-4) var(--s-5);
  font-size: 0.875rem;
  color: var(--warn-ink);
  margin-top: var(--s-5);
}
.todo strong { color: var(--warn-ink); }

/* --------------------------------------------------------------------------
   12. Shared CTA block
   -------------------------------------------------------------------------- */

.cta-block {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.82);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.cta-block::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(99, 32, 128, 0.6) 0%, rgba(42, 12, 54, 0) 60%),
    radial-gradient(60% 100% at 0% 100%, rgba(23, 121, 90, 0.28) 0%, rgba(42, 12, 54, 0) 60%);
  z-index: -1;
}
.cta-block h2 { color: #fff; }
.cta-block__intro { max-width: 52ch; color: rgba(255, 255, 255, 0.82); }

.cta-grid { display: grid; gap: var(--s-4); margin-top: var(--s-7); }
@media (min-width: 860px) { .cta-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); } }

.cta-card {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
}
.cta-card:hover { border-color: rgba(210, 249, 234, 0.5); background: rgba(255, 255, 255, 0.08); }
.cta-card__n {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mint-200);
  letter-spacing: 0.1em;
}
.cta-card h3 { color: #fff; font-size: var(--step-1); font-family: var(--font-ui); font-weight: 600; margin: 0; }
.cta-card p { font-size: 0.9375rem; margin: 0; color: rgba(255, 255, 255, 0.78); }
.cta-card .btn { margin-top: auto; align-self: flex-start; }

/* --------------------------------------------------------------------------
   13. Page navigation (prev / next within a pillar)
   -------------------------------------------------------------------------- */

.pagenav {
  display: grid;
  gap: var(--s-4);
  padding-block: var(--s-7);
  border-top: 1px solid var(--line);
}
@media (min-width: 760px) { .pagenav { grid-template-columns: 1fr 1fr; gap: var(--s-5); } }
.pagenav a {
  display: grid;
  gap: 2px;
  padding: var(--s-5);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-decoration: none;
  background: var(--surface);
  transition: border-color var(--t-fast) var(--ease);
}
.pagenav a:hover { border-color: var(--brand-400); }
.pagenav .kicker { color: var(--brand-500); }
.pagenav strong { color: var(--ink); font-size: 1.0625rem; }
.pagenav .next { text-align: right; }

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */

.footer {
  background: var(--ink-950);
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.9375rem;
}
.footer a { color: rgba(255, 255, 255, 0.78); text-decoration: none; }
.footer a:hover { color: var(--mint-200); text-decoration: underline; }

.footer__signup {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--s-8);
}
.footer__signup-grid { display: grid; gap: var(--s-6); align-items: center; }
@media (min-width: 960px) { .footer__signup-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); gap: var(--s-9); } }
.footer__signup h2 { color: #fff; font-size: var(--step-2); margin-bottom: var(--s-2); }
.footer__signup p { margin: 0; }

.signup-form { display: grid; gap: var(--s-3); }
.signup-form label { font-size: 0.875rem; color: rgba(255, 255, 255, 0.82); font-weight: 500; }
.signup-form .field { display: flex; gap: var(--s-2); flex-wrap: wrap; }
.signup-form input {
  flex: 1 1 12rem;
  min-height: 48px;
  padding: var(--s-3) var(--s-4);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--r-pill);
  color: #fff;
  font-family: inherit;
  font-size: 0.9375rem;
}
.signup-form input::placeholder { color: rgba(255, 255, 255, 0.45); }
.signup-form input:focus-visible { outline-color: var(--mint-400); border-color: var(--mint-400); }
.signup-form .hint { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.5); margin: 0; }

.footer__main { padding-block: var(--s-8); }
.footer__cols { display: grid; gap: var(--s-7); }
@media (min-width: 640px)  { .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .footer__cols { grid-template-columns: minmax(0, 1.4fr) repeat(4, minmax(0, 1fr)); gap: var(--s-6); } }

.footer__brand img { width: 170px; margin-bottom: var(--s-4); }
.footer__brand p { font-size: 0.875rem; line-height: 1.6; }

.footer__col h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint-200);
  margin-bottom: var(--s-4);
}
.footer__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s-3); }
.footer__col a { font-size: 0.875rem; }

.footer__legal {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--s-7);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.55);
}
.footer__legal p { max-width: 90ch; }
.footer__legal strong { color: rgba(255, 255, 255, 0.8); }
.footer__meta {
  display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6);
  justify-content: space-between;
  padding-top: var(--s-5);
  margin-top: var(--s-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer__meta ul { display: flex; flex-wrap: wrap; gap: var(--s-5); list-style: none; padding: 0; margin: 0; }

/* --------------------------------------------------------------------------
   15. Motion & reveal
   -------------------------------------------------------------------------- */

/* The hidden start state applies only once JS has confirmed it can reveal
   again (see site.js). Without JS the content simply renders. */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.js-reveal [data-reveal].is-visible { opacity: 1; transform: none; }

@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;
  }
  .js-reveal [data-reveal] { opacity: 1; transform: none; }
  .orbit .spin { animation: none; }
}

/* --------------------------------------------------------------------------
   16. Print
   -------------------------------------------------------------------------- */

@media print {
  .masthead, .utility-bar, .drawer, .cta-block, .footer__signup, .pagenav { display: none !important; }
  body { background: #fff; color: #000; }
  .hero { background: #fff !important; color: #000 !important; }
  .hero h1, .hero .lede, .hero__statement { color: #000 !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.8em; }
}

/* --------------------------------------------------------------------------
   17. Media placeholders
   -------------------------------------------------------------------------- */

.media { margin: var(--s-6) 0 0; }

.media__frame {
  position: relative;
  aspect-ratio: var(--media-ratio, 16 / 9);
  display: grid;
  place-content: center;
  gap: var(--s-3);
  text-align: center;
  padding: var(--s-6);
  border: 2px dashed var(--brand-200);
  border-radius: var(--r-lg);
  background:
    repeating-linear-gradient(
      -45deg,
      var(--brand-50) 0 10px,
      transparent 10px 20px
    ),
    var(--surface);
  color: var(--brand-600);
}

.media__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--surface);
  border: 1px solid var(--brand-200);
  border-radius: var(--r-pill);
  padding: 6px var(--s-4);
  justify-self: center;
}
.media__badge svg { width: 16px; height: 16px; flex: none; }

.media__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1.25;
  color: var(--ink);
  max-width: 26ch;
}

.media__brief {
  margin-top: var(--s-3);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 68ch;
}
.media__brief strong { color: var(--brand-700); }
.media__size { margin: var(--s-1) 0 0; font-family: var(--font-mono); font-size: 0.75rem; }

.section--dark .media__frame {
  border-color: rgba(210, 249, 234, 0.35);
  background:
    repeating-linear-gradient(-45deg, rgba(255,255,255,0.05) 0 10px, transparent 10px 20px),
    rgba(255, 255, 255, 0.03);
  color: var(--mint-200);
}
.section--dark .media__badge {
  background: rgba(255,255,255,0.08);
  border-color: rgba(210,249,234,0.35);
  color: var(--mint-200);
}
.section--dark .media__title { color: #fff; }
.section--dark .media__brief { color: rgba(255,255,255,0.7); }
.section--dark .media__brief strong { color: var(--mint-200); }

/* Media laid beside text */
.media-split { display: grid; gap: var(--s-6); align-items: center; }
@media (min-width: 900px) {
  .media-split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-8); }
  .media-split .media { margin-top: 0; }
}

/* --------------------------------------------------------------------------
   18. Gene panels
   -------------------------------------------------------------------------- */

.genepanel {
  margin-top: var(--s-6);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow: hidden;
}

.genepanel__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5) var(--s-6);
  background: var(--brand-50);
  border-bottom: 1px solid var(--line);
}

.genepanel__total {
  font-family: var(--font-display);
  font-size: var(--step-2);
  color: var(--brand-700);
  line-height: 1.1;
}
.genepanel__total .num { font-variant-numeric: tabular-nums; }

.genepanel__search { display: grid; gap: var(--s-2); }
.genepanel__search label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.genepanel__search input {
  min-height: 44px;
  min-width: 14rem;
  padding: var(--s-2) var(--s-4);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink);
}
.genepanel__search input::placeholder { color: var(--muted); font-family: var(--font-ui); }

.genepanel__empty {
  margin: 0;
  padding: var(--s-5) var(--s-6);
  font-size: 0.9375rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

/* Collapsed by default: show the first group, clip the rest. */
.genepanel__groups {
  padding: var(--s-6);
  display: grid;
  gap: var(--s-6);
  max-height: 22rem;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(#000 60%, transparent 100%);
}
.genepanel[data-open="true"] .genepanel__groups {
  max-height: none;
  overflow: visible;
  mask-image: none;
}
.genepanel[data-searching="true"] .genepanel__groups {
  max-height: none;
  overflow: visible;
  mask-image: none;
}

.genegroup__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--s-3);
  margin-bottom: var(--s-4);
}
.genegroup__head h4 { margin: 0; }
.genegroup__count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-600);
  background: var(--brand-100);
  border-radius: var(--r-pill);
  padding: 3px var(--s-3);
}
.genegroup__desc { font-size: 0.9375rem; margin: calc(var(--s-3) * -1) 0 var(--s-4); }

.genelist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.genelist li {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--brand-700);
  background: var(--brand-50);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 3px 8px;
}
.genelist li[hidden] { display: none; }
.genelist li.is-match {
  background: var(--mint-200);
  border-color: var(--mint-400);
  color: var(--ink-900);
  font-weight: 500;
}

.genegroup[hidden] { display: none; }

.genepanel__note {
  margin: 0;
  padding: 0 var(--s-6) var(--s-5);
  font-size: 0.875rem;
  color: var(--muted);
}

.genepanel__toggle {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--brand-700);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
}
.genepanel__toggle:hover { background: var(--brand-50); }
.genepanel[data-searching="true"] .genepanel__toggle { display: none; }

/* Comparison table: highlight our column */
table.data--compare thead th.is-primary { color: #fff; background: var(--brand-700); }
table.data--compare tbody td:first-of-type { background: var(--brand-50); font-weight: 500; color: var(--ink); }

/* --------------------------------------------------------------------------
   19. Disclosures (progressive disclosure for dense reference material)
   -------------------------------------------------------------------------- */

.disclose {
  margin-top: var(--s-5);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.disclose > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  min-height: 56px;
  padding: var(--s-4) var(--s-5);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
}
.disclose > summary::-webkit-details-marker { display: none; }
.disclose > summary:hover { color: var(--brand-700); }

.disclose__icon { position: relative; width: 18px; height: 18px; flex: none; }
.disclose__icon::before, .disclose__icon::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 2px;
  background: var(--brand-600);
  transition: transform var(--t-fast) var(--ease);
}
.disclose__icon::after { transform: rotate(90deg); }
.disclose[open] .disclose__icon::after { transform: rotate(0deg); }

.disclose__body { padding: 0 var(--s-5) var(--s-5); }
.disclose__body > .table-scroll { margin-top: 0; }
.disclose__body .legal { border: 0; padding: 0; margin: 0; background: none; }
.disclose__body .legal__reg { margin-top: var(--s-4); }

.section--dark .disclose { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.14); }
.section--dark .disclose > summary { color: #fff; }
.section--dark .disclose__icon::before, .section--dark .disclose__icon::after { background: var(--mint-400); }

/* Layer name / role split, so no dash is needed between them */
.layer h4 .layer__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin-top: 4px;
}
.section--dark .layer h4 .layer__sub { color: var(--mint-200); }

/* --------------------------------------------------------------------------
   20. Real image and video figures
   -------------------------------------------------------------------------- */

.figure { margin: var(--s-6) 0 0; }

.figure__img,
.figure__video {
  width: 100%;
  aspect-ratio: var(--media-ratio, 16 / 9);
  object-fit: cover;
  border-radius: var(--r-lg);
  background: var(--brand-50);
  border: 1px solid var(--line);
  display: block;
}

/* Documents and diagrams should be shown whole, not cropped. */
.figure--contain .figure__img {
  object-fit: contain;
  background: var(--surface);
  padding: var(--s-4);
}

.figure--video .figure__video { border-color: var(--ink-800); background: var(--ink-900); }

.figure__caption {
  margin-top: var(--s-3);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 68ch;
}

.section--dark .figure__img,
.section--dark .figure__video { border-color: rgba(255, 255, 255, 0.16); }
.section--dark .figure__caption { color: rgba(255, 255, 255, 0.7); }

/* A photo that runs to the edge of its band */
.figure--bleed .figure__img { border-radius: var(--r-lg); }

@media (prefers-reduced-motion: reduce) {
  .figure__video { /* site.js pauses these; the poster or first frame remains */ }
}

/* --------------------------------------------------------------------------
   21. Interactive care journey
   -------------------------------------------------------------------------- */

.journey {
  margin-top: var(--s-7);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* --- Phase track --- */
.journey__track { position: relative; padding: var(--s-7) var(--s-6) var(--s-6); }

.journey__rail,
.journey__progress {
  position: absolute;
  top: calc(var(--s-7) + 27px);
  height: 3px;
  border-radius: var(--r-pill);
}
.journey__rail { left: 12%; right: 12%; background: var(--line-strong); }
.journey__progress {
  left: 12%;
  width: 4%;
  background: linear-gradient(90deg, var(--brand-700), var(--brand-500));
  transition: width 520ms var(--ease);
  max-width: 76%;
}

.journey__phases {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s-3);
  position: relative;
}

.jphase {
  display: grid;
  justify-items: center;
  gap: var(--s-2);
  padding: 0 var(--s-1) var(--s-2);
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
}

.jphase__dot {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--line-strong);
  color: var(--brand-700);
  display: grid;
  place-items: center;
  transition: background var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              color var(--t-base) var(--ease),
              transform var(--t-base) var(--ease);
}
.jphase__dot svg { width: 24px; height: 24px; }

.jphase[aria-selected="true"] .jphase__dot {
  background: var(--brand-700);
  border-color: var(--brand-700);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 24px -8px rgba(79, 24, 101, 0.5);
}
.jphase:hover .jphase__dot { border-color: var(--brand-400); }

.jphase__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-700);
  font-weight: 500;
}
.jphase[aria-selected="true"] .jphase__label { color: var(--brand-600); }
.jphase__time { font-size: 0.8125rem; color: var(--muted); }

/* --- Product bars --- */
.journey__bars {
  padding: 0 var(--s-6) var(--s-5);
  display: grid;
  gap: var(--s-3);
}

.jbar-row { display: grid; gap: var(--s-2); align-items: center; }
@media (min-width: 760px) { .jbar-row { grid-template-columns: 9.5rem minmax(0, 1fr); gap: var(--s-4); } }

.jbar-name { font-weight: 600; color: var(--brand-700); font-size: 0.9375rem; }

.jbar-track {
  position: relative;
  height: 46px;
  border-radius: var(--r-pill);
  background: var(--brand-50);
  border: 1px solid var(--line);
  overflow: hidden;
}

.jbar {
  position: absolute;
  top: 4px;
  bottom: 4px;
  min-width: 8.5rem;
  border-radius: var(--r-pill);
  background: var(--mint-200);
  border: 1px solid var(--mint-400);
  color: var(--mint-700);
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0 var(--s-4);
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--t-base) var(--ease), filter var(--t-base) var(--ease);
}
.jbar__word {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.jbar__role { font-size: 0.8125rem; color: #1D4C3D; }
@media (max-width: 420px) { .jbar__role { display: none; } }
.jbar.is-inactive { opacity: 0.32; filter: grayscale(0.5); }

.journey__always {
  margin: 0;
  padding: var(--s-4) var(--s-6) var(--s-6);
  font-size: 0.9375rem;
  color: var(--muted);
}
.journey__always strong { color: var(--brand-700); }

/* --- Detail panel --- */
.journey__detail {
  border-top: 1px solid var(--line);
  background: var(--brand-50);
  display: grid;
}
@media (min-width: 900px) {
  .journey__detail { grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); }
  .journey__side { border-left: 1px solid var(--line); }
}
.journey__main, .journey__side { padding: var(--s-6); }
.journey__side { border-top: 1px solid var(--line); }
@media (min-width: 900px) { .journey__side { border-top: 0; } }

.journey__main h3 { font-size: var(--step-2); margin-bottom: var(--s-3); }
.journey__main p { font-size: 0.9375rem; margin: 0; max-width: 62ch; }

.jchips { display: flex; flex-wrap: wrap; gap: var(--s-2); list-style: none; margin: var(--s-5) 0 0; padding: 0; }
.jchip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--brand-700);
  background: var(--surface);
  border: 1px solid var(--brand-200);
  border-radius: var(--r-pill);
  padding: 5px var(--s-4);
}

.jside { list-style: none; margin: var(--s-4) 0 0; padding: 0; display: grid; gap: var(--s-3); }
.jside__item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--s-4);
  font-size: 0.875rem;
  line-height: 1.55;
}
.jside__item strong { display: block; color: var(--brand-700); margin-bottom: 2px; }
.jside__item span { color: var(--body); }

.journey__hint {
  margin: 0;
  padding: var(--s-4) var(--s-6);
  border-top: 1px solid var(--line);
  background: var(--surface);
  font-size: 0.875rem;
  color: var(--muted);
}

/* Narrow screens: phases become a scrollable row, bars stay full width */
@media (max-width: 760px) {
  /* The timeline positioning cannot hold four staggered bars in a narrow
     track, so each product spans its track and keeps its word. */
  .jbar { position: static; min-width: 0; width: auto !important; left: auto !important; height: 100%; }
  .jbar-track { height: 42px; }
  .jbar.is-inactive { opacity: 0.4; }
}

@media (max-width: 700px) {
  .journey__rail, .journey__progress { display: none; }
  .journey__phases { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); }
  .journey__track { padding: var(--s-6) var(--s-5) var(--s-5); }
  .journey__bars { padding-inline: var(--s-5); }
  .journey__always { padding-inline: var(--s-5); }
  .journey__main, .journey__side { padding: var(--s-5); }
  .journey__hint { padding-inline: var(--s-5); }
}

@media (prefers-reduced-motion: reduce) {
  .journey__progress { transition: none; }
  .jphase[aria-selected="true"] .jphase__dot { transform: none; }
}

/* --------------------------------------------------------------------------
   22. Mega-menu columns (solid tumour / blood cancer)
   -------------------------------------------------------------------------- */

.megamenu__columns {
  display: grid;
  gap: var(--s-2) var(--s-5);
  padding-top: var(--s-3);
  margin-top: var(--s-2);
  border-top: 1px solid var(--line);
}
@media (min-width: 700px) {
  .megamenu__columns { grid-template-columns: 1fr 1fr; }
}

.megacol__head {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin: 0 0 var(--s-2);
  padding: 0 var(--s-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.megacol__letter {
  width: 20px; height: 20px;
  border-radius: 5px;
  display: grid; place-items: center;
  background: var(--brand-100);
  color: var(--brand-700);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
  flex: none;
}
.megacol:nth-child(2) .megacol__letter { background: var(--mint-100); color: var(--mint-700); }

.megamenu__link--tight { padding-block: var(--s-2); }

/* --------------------------------------------------------------------------
   23. Test index (solid tumour / blood cancer split)
   -------------------------------------------------------------------------- */

.testindex { display: grid; gap: var(--s-6); margin-top: var(--s-6); }
@media (min-width: 900px) { .testindex { grid-template-columns: 1.35fr 1fr; gap: var(--s-7); } }

.testgroup {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--s-6);
}
.testgroup__head {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding-bottom: var(--s-4);
  margin-bottom: var(--s-2);
  border-bottom: 1px solid var(--line);
}
.testgroup__letter {
  width: 34px; height: 34px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  background: var(--brand-100);
  color: var(--brand-700);
  flex: none;
}
.testgroup__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-700);
}
.testgroup--blood .testgroup__letter { background: var(--mint-100); color: var(--mint-700); }
.testgroup--blood .testgroup__title { color: var(--mint-700); }

.testlist { list-style: none; margin: 0; padding: 0; }
.testlist li + li { border-top: 1px solid var(--line); }

.testlist a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-2);
  margin-inline: calc(var(--s-2) * -1);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease);
}
.testlist a:hover { background: var(--brand-50); }
.testlist__name { font-weight: 600; color: var(--ink); font-size: 1.0625rem; }
.testlist a:hover .testlist__name { color: var(--brand-700); }
.testlist__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-align: right;
}
.testlist__flag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--brand-100);
  border-radius: var(--r-pill);
  padding: 2px 8px;
  margin-left: var(--s-2);
  vertical-align: 2px;
}