:root{
  --primary:#004AAD;
  --primary-hover:#00378A;
  --secondary:#306CBC;
  --navy:#153145;
  --navy-deep:#0B1C2C;
  --link:#3393F0;
  --accent-blue:#145CDB;
  --tint:#D5E6FF;
  --surface:#EAEEF3;
  --surface-2:#F4F6FA;
  --border:#E4E8EE;
  --border-strong:#CFD6DF;
  --text:#153145;
  --muted:#5C6773;
  --body:#838B93;
  --white:#fff;
  --mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:'Inter', system-ui, -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  color:var(--text);
  /* Dark default so any peek-through during route transitions doesn't flash white.
     Page-level sections cover this on every route. */
  background:var(--navy-deep);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}

/* Focus ring — visible only for keyboard users */
:focus{outline:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:2px}

/* Motion guardrail — kills idle/ambient motion for users who opt out */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ───────────── Reveal animations (hero entrance + scroll-in tiles) ───────────── */

/* Hero pieces: staggered fade-up on page load. Apply these classes to
   the eyebrow / headline / lede / CTAs / stats inside any hero. */
.hero-reveal-1, .hero-reveal-2, .hero-reveal-3, .hero-reveal-4, .hero-reveal-5{
  opacity:0;
  transform:translateY(14px);
  animation:hero-rise .9s cubic-bezier(.2,.7,.2,1) forwards;
}
.hero-reveal-1{ animation-delay:80ms }
.hero-reveal-2{ animation-delay:200ms }
.hero-reveal-3{ animation-delay:340ms }
.hero-reveal-4{ animation-delay:500ms }
.hero-reveal-5{ animation-delay:680ms }
@keyframes hero-rise{
  to{ opacity:1; transform:translateY(0); }
}

/* Tile reveal: scroll-driven, IntersectionObserver toggles .in-view.
   Inline `style={{"--i": index}}` controls per-tile stagger. */
.tile-reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .55s cubic-bezier(.2,.7,.2,1), transform .55s cubic-bezier(.2,.7,.2,1);
  transition-delay:calc(var(--i, 0) * 70ms);
  will-change:opacity, transform;
}
.tile-reveal.in-view{
  opacity:1;
  transform:translateY(0);
}

/* Tool cards in the "Clinical-grade analysis at enterprise scale." section
   use a snappier scale-pop instead of the generic translateY fade. Uses an
   animation with fill-mode:backwards so transform reverts to its static
   value after the reveal — letting the hover translateY(-2px) work. */
.tool-card.tile-reveal{
  opacity:0;
  transform:none;
  transition:none;
  transition-delay:0s;
}
.tool-card.tile-reveal.in-view{
  opacity:1;
  animation:tool-pop .32s cubic-bezier(.2,.8,.3,1) backwards;
  animation-delay:calc(var(--i, 0) * 55ms);
}
@keyframes tool-pop{
  from{ opacity:0; transform:scale(.94); }
  to  { opacity:1; transform:scale(1); }
}
@media (prefers-reduced-motion: reduce){
  .tool-card.tile-reveal{ opacity:1 }
  .tool-card.tile-reveal.in-view{ animation:none }
}

@media (prefers-reduced-motion: reduce){
  .hero-reveal-1, .hero-reveal-2, .hero-reveal-3, .hero-reveal-4, .hero-reveal-5{
    opacity:1; transform:none; animation:none;
  }
  .tile-reveal{
    opacity:1; transform:none; transition:none;
  }
}

/* SPA route swaps run through document.startViewTransition() in router.jsx.
   The old DOM snapshot stays on screen during the fade so no body bg flashes.
   Old + new run concurrently with matching durations so their opacities sum
   to ~1 throughout the transition (any gap is where the body color shows). */
::view-transition-old(root),
::view-transition-new(root) {
  mix-blend-mode: plus-lighter;
}
::view-transition-old(root) {
  animation: vm-fade-out 220ms linear both;
}
::view-transition-new(root) {
  animation: vm-fade-in 220ms linear both;
}
@keyframes vm-fade-out { from { opacity: 1 } to { opacity: 0 } }
@keyframes vm-fade-in  { from { opacity: 0 } to { opacity: 1 } }

/* Top nav snaps instantly to its new state during a route transition.
   Without zero-duration here, the old and new snapshots both sit at opacity 1
   and stack — you see TWO active link highlights at once. With 0s, the UA's
   default fade-out / fade-in keyframes complete immediately: old goes to
   opacity 0, new starts at opacity 1, so only the new active state is on
   screen while the page body crossfades around it. */
.nav-wrap { view-transition-name: vm-nav }
::view-transition-old(vm-nav),
::view-transition-new(vm-nav) {
  animation-duration: 0s;
}

/* Initial page load fade — only fires once, on first render. */
@keyframes page-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
/* Note: no `both` fill-mode here. With `both`, the post-animation computed
   transform stays at the identity matrix, which creates a containing block
   on #root and breaks `position: fixed` for descendants like back-to-top. */
#root {
  animation: page-in 300ms cubic-bezier(.2,.7,.2,1);
}

@media (prefers-reduced-motion: reduce) {
  #root { animation: none; }
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ───────────── Nav (floating pillbox) ───────────── */
.nav-wrap{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:16px 24px;
  pointer-events:none;
  transition:padding .35s cubic-bezier(.2,.7,.2,1);
}
.nav-wrap.scrolled{padding:10px 24px}
.nav{
  pointer-events:auto;
  max-width:1240px;margin:0 auto;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;
  padding:10px 10px 10px 22px;
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(1.6) blur(18px);
  -webkit-backdrop-filter:saturate(1.6) blur(18px);
  border:1px solid rgba(21,49,69,.08);
  border-radius:18px;
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset, 0 8px 30px -12px rgba(21,49,69,.12);
  transition:max-width .35s cubic-bezier(.2,.7,.2,1),
             border-radius .35s cubic-bezier(.2,.7,.2,1),
             background .25s, box-shadow .25s, padding .35s;
}
.nav-wrap.scrolled .nav{
  max-width:900px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  box-shadow:0 1px 0 rgba(255,255,255,.9) inset, 0 10px 40px -14px rgba(21,49,69,.22);
  padding:8px 8px 8px 18px;
}
/* dark-hero override — only while at top of page */
.nav-wrap.on-dark:not(.scrolled) .nav{
  background:rgba(11,28,44,.4);
  border-color:rgba(255,255,255,.08);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset, 0 8px 30px -12px rgba(0,0,0,.3);
}
.nav-wrap.on-dark:not(.scrolled) .nav-brand img{filter:brightness(0) invert(1) opacity(.95)}
.nav-wrap.on-dark:not(.scrolled) .nav-pill{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.06)}
.nav-wrap.on-dark:not(.scrolled) .nav-pill-link{color:#B9C6D4}
.nav-wrap.on-dark:not(.scrolled) .nav-pill-link:hover{color:#fff}
.nav-wrap.on-dark:not(.scrolled) .nav-pill-link.active{color:#fff;background:rgba(255,255,255,.16);font-weight:600;box-shadow:0 0 0 1px rgba(255,255,255,.22) inset}
.nav-wrap.on-dark:not(.scrolled) .nav-cta{background:#fff;color:var(--navy)}
.nav-wrap.on-dark:not(.scrolled) .nav-cta:hover{background:var(--primary);color:#fff}

.nav-brand{
  display:flex;align-items:center;text-decoration:none;overflow:hidden;
  max-width:240px;max-height:60px;opacity:1;
  transition:opacity .25s ease,
             max-width .35s cubic-bezier(.2,.7,.2,1),
             max-height .35s cubic-bezier(.2,.7,.2,1);
}
.nav-brand img{height:50px;width:auto;display:block;transition:filter .25s}
/* On scroll the nav collapses to a compact pill — fade the logo away entirely
   (it reappears when scrolled back to the top). */
.nav-wrap.scrolled .nav-brand{
  opacity:0;max-width:0;max-height:0;pointer-events:none;
}

.nav-pill{
  display:flex;justify-self:center;gap:2px;padding:4px;
  background:rgba(21,49,69,.04);
  border:1px solid rgba(21,49,69,.06);
  border-radius:999px;
}
.nav-pill-link{
  font-size:15px;font-weight:500;color:var(--muted);
  padding:8px 16px;border-radius:999px;text-decoration:none;
  transition:color .15s, background .15s;
  letter-spacing:-.005em;
  white-space:nowrap;
}
.nav-pill-link:hover{color:var(--navy)}
.nav-pill-link.active{
  color:var(--navy);background:#fff;font-weight:600;
  box-shadow:0 1px 3px rgba(21,49,69,.14), 0 0 0 1px rgba(21,49,69,.08);
}

.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--navy);color:#fff;
  padding:9px 14px 9px 16px;border-radius:999px;
  text-decoration:none;font-weight:500;font-size:14.5px;
  transition:background .15s, transform .15s;
  letter-spacing:-.005em;
}
.nav-cta:hover{background:var(--primary);transform:translateY(-1px)}
.nav-cta svg{transition:transform .15s}
.nav-cta:hover svg{transform:translateX(2px)}

/* Hamburger — hidden on desktop */
.nav-hamburger{
  display:none;
  background:transparent; border:none; padding:10px 8px;
  cursor:pointer;
  width:44px; height:44px;
  flex-direction:column; justify-content:center; gap:5px;
  align-items:stretch;
}
.nav-hamburger span{
  display:block; height:2px; background:var(--navy);
  border-radius:2px; transition: transform .25s, opacity .25s;
}
.nav-wrap.on-dark:not(.scrolled) .nav-hamburger span{ background:#fff }
.nav-hamburger.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg) }
.nav-hamburger.is-open span:nth-child(2){ opacity:0 }
.nav-hamburger.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg) }

/* Mobile menu sheet */
.nav-mobile-sheet{
  position:fixed; inset:0;
  /* .nav-wrap sets pointer-events:none; the sheet must re-enable it or
     nothing inside the menu (or the backdrop) is clickable. */
  pointer-events:auto;
  background: rgba(8,23,40,.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 50;
  display:flex; justify-content:flex-end;
  animation: nav-fade-in .25s ease-out;
}
@keyframes nav-fade-in{ from{opacity:0} to{opacity:1} }
.nav-mobile-panel{
  width: min(360px, 88vw);
  height: 100%;
  background: #fff;
  padding: 92px 28px 32px;
  display:flex; flex-direction:column; gap: 4px;
  box-shadow: -20px 0 60px rgba(0,0,0,.25);
  overflow-y:auto;
  animation: nav-slide-in .32s cubic-bezier(.2,.7,.2,1);
}
@keyframes nav-slide-in{ from{transform: translateX(20px); opacity:0} to{transform:none; opacity:1} }
.nav-mobile-link{
  display:block;
  padding: 16px 4px;
  font-size: 18px;
  font-weight: 500;
  color: var(--navy);
  text-decoration:none;
  border-bottom: 1px solid #E6EAEF;
}
.nav-mobile-link.active{ color: var(--primary); font-weight:600 }
.nav-mobile-link:hover{ color: var(--primary) }
.nav-mobile-cta{
  margin-top: 24px;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background: var(--navy); color:#fff;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600; font-size: 14px;
  text-decoration:none;
}
.nav-mobile-cta:hover{ background: var(--primary) }

@media (max-width: 900px){
  .nav{grid-template-columns: auto 1fr auto; gap:8px}
  .nav-pill{display:none}
  .nav-cta{ display:none }
  .nav-hamburger{ display:flex; justify-self:end }
  .nav-wrap{ padding: 12px 16px }
}

/* ───────────── Spotlight (cursor-tracking gradient on dark heros) ───────────── */
.has-spotlight{ --mx:70%; --my:30%; }
.has-spotlight::after{
  content:"";
  position:absolute; inset:0;
  pointer-events:none;
  background:radial-gradient(
    560px circle at var(--mx) var(--my),
    rgba(140,200,255,0.22),
    rgba(140,200,255,0.04) 35%,
    transparent 60%
  );
  mix-blend-mode:screen;
  z-index:2;
  transition:opacity .25s ease;
}
@media (prefers-reduced-motion: reduce){
  .has-spotlight::after{ display:none }
}

/* ───────────── Hero ───────────── */
.hero{
  background:linear-gradient(180deg,#0B1C2C 0%,#102740 70%,#153145 100%);
  color:#fff;position:relative;overflow:hidden;
  padding:110px 32px 140px;
}
.hero::before{
  /* molecular dot field */
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(51,147,240,.22) 1px, transparent 1.4px);
  background-size:22px 22px;
  mask-image:radial-gradient(ellipse 80% 70% at 70% 40%, #000 10%, transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 70% 40%, #000 10%, transparent 70%);
  opacity:.9;pointer-events:none;
}
.hero-inner{max-width:1240px;margin:0 auto;position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--link);
  padding:7px 14px;border:1px solid rgba(51,147,240,.35);
  border-radius:999px;background:rgba(51,147,240,.08);
}
.eyebrow .dot{width:6px;height:6px;border-radius:999px;background:var(--link);box-shadow:0 0 12px var(--link)}
.h1{
  font-size:clamp(44px,5.2vw,78px);
  font-weight:700;letter-spacing:-.035em;line-height:1;
  margin:26px 0 24px;text-wrap:pretty;
}
.h1 .accent{color:#3393F0}
.hero-lede{
  font-size:19px;line-height:1.55;color:#B9C6D4;
  max-width:560px;margin:0 0 34px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.005em;
  border:1px solid transparent;transition:all .15s;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#1a5fc8;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.4)}
.btn-dark{background:#fff;color:var(--navy-deep)}
.btn-dark:hover{background:#EAEEF3}

.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:56px;max-width:560px;background:rgba(255,255,255,.08);border-radius:10px;overflow:hidden}
.hero-stat{background:rgba(11,28,44,.6);padding:18px 18px}
.hero-stat-num{font-size:26px;font-weight:700;letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums}
.hero-stat-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#7D94AB;margin-top:2px}

/* Hero molecular visualization */
.hero-viz{
  position:relative;height:520px;
}
.viz-card{
  position:absolute;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:14px;padding:16px 18px;
  box-shadow:0 20px 60px rgba(0,0,0,.4);
}
.viz-card.c1{top:20px;left:0;width:260px}
.viz-card.c2{top:170px;right:20px;width:280px}
.viz-card.c3{bottom:20px;left:60px;width:300px}
.viz-card-label{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#7FA8D9;margin-bottom:8px}
.viz-card h4{margin:0 0 10px;font-size:15px;font-weight:600;color:#fff;letter-spacing:-.01em}
.viz-card-row{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11.5px;color:#B9C6D4;padding:4px 0}
.viz-card-row .score{color:#3393F0;font-weight:600}
.viz-bar{height:3px;background:rgba(255,255,255,.08);border-radius:999px;margin-top:4px;overflow:hidden}
.viz-bar span{display:block;height:100%;background:linear-gradient(90deg,#3393F0,#89B8F5);border-radius:999px}

.gene-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.gene-chip{
  font-family:var(--mono);font-size:10.5px;font-weight:500;
  padding:3px 9px;border-radius:4px;
  background:rgba(51,147,240,.14);color:#89B8F5;
  border:1px solid rgba(51,147,240,.3);
}

/* ───────────── Platform tabs (auto-cycling showcase) ───────────── */
.platform-tabs .platform-tabs-head{ max-width:780px; margin-bottom:36px; }

.platform-tabs-nav-wrap{
  display:inline-block;
  margin-bottom:48px;
}
.platform-tabs-nav{
  position:relative;
  display:inline-flex; gap:4px;
  padding:5px;
  border:1px solid rgba(0,74,173,.18);
  border-radius:13px;
  flex-wrap:wrap;
  background:rgba(0,74,173,.04);
}

/* Loading bar under the entire tab nav. Fills 0 to 100 percent over the
   cycle duration and restarts each time cycleId bumps (key on the inner
   span forces React to remount, which restarts the animation). */
.platform-tabs-progress{
  margin-top:10px;
  height:3px;
  background:rgba(0,74,173,.1);
  border-radius:999px;
  overflow:hidden;
}
.platform-tabs-progress > span{
  display:block;
  height:100%;
  background:var(--primary);
  border-radius:999px;
  transform-origin:left center;
  transform:scaleX(0);
  animation:tabnav-progress 7s linear forwards;
}
@keyframes tabnav-progress{
  to{ transform:scaleX(1); }
}
.platform-tabs:hover .platform-tabs-progress > span,
.platform-tabs:focus-within .platform-tabs-progress > span{
  animation-play-state:paused;
}
@media (prefers-reduced-motion: reduce){
  .platform-tabs-progress{ display:none; }
}

.platform-tabs-tab{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 18px;
  border-radius:8px;
  font-size:13.5px; font-weight:600;
  color:var(--muted);
  background:transparent;
  border:none;
  cursor:pointer;
  letter-spacing:-.005em;
  transition:color .2s, background .2s;
}
.platform-tabs-tab:hover{ color:var(--text); }
.platform-tabs-tab[aria-selected="true"]{
  color:#fff;
  background:var(--primary);
  box-shadow:0 6px 16px -8px rgba(0,74,173,.5);
}
.platform-tabs-tab-num{
  font-family:var(--mono); font-size:11px;
  letter-spacing:.08em; opacity:.7;
}
.platform-tabs-panel-head{ max-width:780px; margin-bottom:36px; }
.platform-tabs-panel-title{
  font-size:clamp(26px, 2.4vw, 36px); font-weight:700;
  letter-spacing:-.02em; line-height:1.1;
  margin:14px 0 14px;
  color:var(--text);
  text-wrap:balance;
}
.platform-tabs-panel-lede{
  font-size:16.5px; line-height:1.6;
  color:var(--muted);
  margin:0;
  max-width:680px;
}
/* Content wrapper drives the crossfade. JS toggles .is-fading for ~240ms
   while the active tab swaps under the hood. */
.platform-tabs-content{
  opacity:1;
  transform:translateY(0);
  transition:opacity 240ms ease-out, transform 240ms ease-out;
}
.platform-tabs-content.is-fading{
  opacity:0;
  transform:translateY(6px);
}
@media (prefers-reduced-motion: reduce){
  .platform-tabs-content{ transition:none; transform:none; }
  .platform-tabs-content.is-fading{ opacity:1; transform:none; }
}

/* Dark inner card used by the Scoring tab to preserve its tooling-feel
   inside an otherwise light tabbed parent. */
.tab-panel-dark{
  background:var(--navy-deep);
  color:#fff;
  border-radius:18px;
  padding:36px;
  border:1px solid rgba(0,0,0,.04);
}

/* ───────────── Back-to-top button ───────────── */
.back-to-top{
  position:fixed; bottom:24px; right:24px; z-index:50;
  width:44px; height:44px; padding:0;
  border-radius:50%; border:0;
  background:rgba(0,74,173,.9);
  color:#fff;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  opacity:0; pointer-events:none;
  transform:translateY(8px);
  transition:opacity .25s ease, transform .25s ease, background .15s ease;
  box-shadow:0 12px 30px -8px rgba(0,74,173,.45), 0 2px 6px rgba(0,0,0,.18);
  backdrop-filter:saturate(1.4) blur(10px);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);
}
.back-to-top.visible{ opacity:1; pointer-events:auto; transform:none }
.back-to-top:hover{ background:var(--primary) }
.back-to-top:focus-visible{ outline:2px solid #fff; outline-offset:2px }
.back-to-top svg{ display:block; transition:transform .15s ease }
.back-to-top:hover svg{ transform:translateY(-1px) }
@media (prefers-reduced-motion: reduce){
  .back-to-top{ transition:opacity .15s ease }
  .back-to-top:hover svg{ transform:none }
}

/* ───────────── Section scaffolding ───────────── */
/* Default to white so the dark body bg (set globally to prevent
   route-transition flash) doesn't bleed into sections that aren't
   explicitly themed. Sections that want navy or surface opt in via
   .section.dark / .section.surface below. */
.section{padding:110px 32px;position:relative;background:#fff}
.section-inner{max-width:1240px;margin:0 auto}
.section-head{max-width:780px;margin-bottom:64px}
.section-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.section-eyebrow .line{width:40px;height:1px;background:var(--primary)}
.section-title{
  font-size:clamp(34px,3.6vw,52px);font-weight:700;
  letter-spacing:-.028em;line-height:1.05;margin:0 0 18px;text-wrap:balance;
}
.section-lede{font-size:18px;line-height:1.55;color:var(--muted);max-width:680px}

/* Dark section */
.section.dark{background:var(--navy-deep);color:#fff}
.section.dark .section-title{color:#fff}
.section.dark .section-lede{color:#9DB1C5}
.section.dark .section-eyebrow{color:var(--link)}
.section.dark .section-eyebrow .line{background:var(--link)}

/* Surface section */
.section.surface{background:var(--surface-2)}

/* ───────────── Problem / comparison ───────────── */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  border-radius:18px;padding:36px;position:relative;overflow:hidden;
  border:1px solid var(--border);background:#fff;
}
.compare-card.old{background:#fff;color:var(--muted)}
.compare-card.new{
  background:var(--primary);
  color:#fff;border-color:transparent;
  box-shadow:0 40px 80px -20px rgba(0,74,173,.35);
}
.compare-kind{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#9AA5B0;margin-bottom:12px}
.compare-card.new .compare-kind{color:var(--link)}
.compare-card h3{font-size:22px;font-weight:700;letter-spacing:-.018em;margin:0 0 18px;color:var(--text)}
.compare-card.new h3{color:#fff}
.compare-diagnosis{
  padding:20px 22px;border-radius:12px;background:var(--surface);
  border:1px dashed var(--border-strong);
  font-family:var(--mono);font-size:13px;color:var(--navy);margin-bottom:14px;
}
.compare-card.new .compare-diagnosis{
  background:rgba(255,255,255,.1);border:1px dashed rgba(255,255,255,.4);color:#fff;
}
.compare-body{font-size:14.5px;line-height:1.6;color:inherit}
.compare-card.old .compare-body{color:var(--muted)}
.compare-card.new .compare-body{color:rgba(255,255,255,.87)}
.compare-list{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.compare-list li{padding-left:28px;position:relative;font-size:14px;line-height:1.55;color:inherit}
.compare-list li::before{
  content:"";position:absolute;left:0;top:6px;
  width:14px;height:14px;border-radius:4px;
  background:#D7DCE2;
}
.compare-card.old .compare-list li::before{background:#D7DCE2}
.compare-card.new .compare-list li::before{
  background:#fff;
  box-shadow:inset 0 0 0 2px var(--primary);
}

/* ───────────── Endotype Switcher ───────────── */
.endo-wrap{
  background:#fff;border-radius:20px;border:1px solid var(--border);
  overflow:hidden;box-shadow:0 30px 60px -30px rgba(21,49,69,.18);
}
.endo-header{padding:28px 32px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.endo-mondo{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.endo-disease-title{font-size:22px;font-weight:700;letter-spacing:-.018em;margin:4px 0 0}
.endo-count{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--primary);background:var(--tint);padding:6px 12px;border-radius:6px;
}
.endo-grid{display:grid;grid-template-columns:320px 1fr;min-height:520px}
.endo-list{border-right:1px solid var(--border);background:var(--surface-2);padding:12px;overflow:auto}
.endo-item{
  display:flex;gap:12px;padding:14px;border-radius:10px;cursor:pointer;
  transition:background .12s;border:1px solid transparent;margin-bottom:4px;
}
.endo-item:hover{background:#fff}
.endo-item.active{background:#fff;border-color:var(--border-strong);box-shadow:0 4px 14px -4px rgba(21,49,69,.12)}
.endo-idx{
  font-family:var(--mono);font-weight:600;font-size:11px;letter-spacing:.05em;
  width:36px;height:36px;border-radius:8px;background:var(--surface);color:var(--muted);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.endo-item.active .endo-idx{background:var(--primary);color:#fff}
.endo-item-body{min-width:0;flex:1}
.endo-tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--primary)}
.endo-name{font-size:13.5px;font-weight:600;color:var(--navy);line-height:1.32;margin-top:2px}
.endo-confidence{margin-top:6px;display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.endo-conf-bar{flex:1;height:3px;border-radius:2px;background:#E4E8EE;overflow:hidden}
.endo-conf-bar span{display:block;height:100%;background:var(--primary)}
.endo-detail{padding:32px 36px;overflow:auto}
.endo-detail-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}
.endo-detail-name{font-size:24px;font-weight:700;letter-spacing:-.02em;margin:6px 0 14px;line-height:1.15}
.endo-detail-def{font-size:14.5px;line-height:1.6;color:var(--muted);margin-bottom:22px}
.endo-field{margin-bottom:20px}
.endo-field-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.gene-chip.lg{font-size:12px;padding:5px 10px;background:#EEF4FC;color:var(--primary);border-color:#CFDFF6}
.biomarker-row{display:flex;gap:16px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.biomarker-row:last-child{border-bottom:none}
.biomarker-name{font-weight:500;flex:1}
.biomarker-val{font-family:var(--mono);color:var(--muted)}

/* Drug ranking */
.rx-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.rx-row{
  display:grid;grid-template-columns:44px 1fr 120px 90px;gap:14px;align-items:center;
  padding:12px 14px;background:var(--surface-2);border-radius:10px;
  border:1px solid transparent;transition:border .15s;
}
.rx-row:hover{border-color:var(--border-strong)}
.rx-rank{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.rx-rank.first{color:var(--primary)}
.rx-name{font-weight:600;font-size:14px;color:var(--navy)}
.rx-mech{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.4}
.rx-bar{height:6px;background:#E4E8EE;border-radius:999px;overflow:hidden;position:relative}
.rx-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--link));border-radius:999px}
.rx-score{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--navy);text-align:right;font-variant-numeric:tabular-nums}

/* ───────────── 3-layer taxonomy ───────────── */
.layers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.layer-card{
  border-radius:16px;padding:32px;position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--border);
  transition:transform .2s, box-shadow .2s;
}
.layer-card:hover{transform:translateY(-4px);box-shadow:0 30px 60px -30px rgba(21,49,69,.25)}
.layer-num{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);display:flex;align-items:center;gap:10px;
}
.layer-num-badge{
  width:28px;height:28px;border-radius:6px;
  background:var(--tint);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;
}
.layer-count{font-size:48px;font-weight:700;letter-spacing:-.035em;margin:18px 0 4px;color:var(--navy);line-height:1;font-variant-numeric:tabular-nums}
.layer-count-sub{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.layer-card h3{font-size:18px;font-weight:700;letter-spacing:-.015em;margin:0 0 10px;color:var(--navy)}
.layer-card p{font-size:13.5px;line-height:1.6;color:var(--muted);margin:0 0 18px}
.layer-chips{display:flex;flex-wrap:wrap;gap:6px}

/* ───────────── Scoring engine ───────────── */
.scoring{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}
.score-cats{display:flex;flex-direction:column;gap:10px}
.score-cat{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;overflow:hidden;
}
.score-cat-head{
  display:flex;align-items:center;gap:14px;padding:14px 18px;
  cursor:pointer;user-select:none;
}
.score-cat-name{font-size:14.5px;font-weight:600;letter-spacing:-.008em;color:#fff;flex:1}
.score-cat-weight{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--link)}
.score-cat-bar{
  position:relative;height:4px;background:rgba(255,255,255,.06);
  margin:0 18px 14px;border-radius:999px;overflow:hidden;
}
.score-cat-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--link),#89B8F5);border-radius:999px}
.score-cat-items{padding:4px 18px 14px;display:flex;flex-direction:column;gap:6px}
.score-feat-row{display:grid;grid-template-columns:1fr 60px 60px;gap:12px;align-items:center;padding:4px 0;font-size:12.5px}
.score-feat-name{font-family:var(--mono);color:#B9C6D4;font-size:11.5px;letter-spacing:.01em}
.score-feat-desc{color:#6E8297;font-size:11px;margin-top:2px}
.score-feat-val{font-family:var(--mono);color:var(--link);text-align:right;font-size:11.5px}
.score-feat-max{font-family:var(--mono);color:#6E8297;text-align:right;font-size:11.5px}

.score-example{
  background:var(--primary);
  border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:28px 30px;
  box-shadow:0 30px 80px -30px rgba(0,74,173,.45);
  position:sticky;top:96px;
}
.score-example-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.score-example-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#FFB453;background:rgba(255,180,83,.14);border:1px solid rgba(255,180,83,.35);padding:5px 10px;border-radius:6px}
.score-example-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:#FFB453;box-shadow:0 0 8px #FFB453}
.score-example-title{font-size:20px;font-weight:700;letter-spacing:-.018em;color:#fff;margin:6px 0 2px}
.score-example-sub{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:24px}
.score-example-score{text-align:right}
.score-example-score .num{font-size:32px;font-weight:700;letter-spacing:-.025em;color:#fff;font-family:var(--mono);font-variant-numeric:tabular-nums}
.score-example-score .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.feature-grid{display:flex;flex-direction:column;gap:6px}
.feature-row{
  display:grid;grid-template-columns:1fr 70px;gap:14px;align-items:center;
  padding:9px 12px;background:rgba(255,255,255,.1);border-radius:6px;
}
.feature-row .n{font-family:var(--mono);font-size:11.5px;color:rgba(255,255,255,.9)}
.feature-row .bars{display:flex;align-items:center;gap:6px}
.feature-row .track{flex:1;height:4px;background:rgba(255,255,255,.2);border-radius:999px;overflow:hidden}
.feature-row .track span{display:block;height:100%;background:#fff;border-radius:999px}
.feature-row .v{font-family:var(--mono);font-size:11px;color:#fff;text-align:right;font-variant-numeric:tabular-nums}

/* ───────────── KG section ───────────── */
.kg-shell{
  border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  background:var(--primary);
}
.kg-toolbar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 18px;
  border-bottom:1px solid rgba(255,255,255,.06);
  background:rgba(255,255,255,.015);
}
.kg-toolbar-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:#6E8297;
}
.kg-chips{display:flex;gap:6px;flex-wrap:wrap}
.kg-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  color:#B9C6D4;
  padding:6px 10px 6px 8px;border-radius:999px;
  font-family:var(--mono);font-size:11px;letter-spacing:.02em;font-weight:500;
  cursor:pointer;transition:background .15s, color .15s, border-color .15s;
}
.kg-chip:hover{background:rgba(255,255,255,.08);color:#fff}
.kg-chip.active{background:rgba(51,147,240,.16);border-color:rgba(51,147,240,.5);color:#fff}
.kg-chip-dot{width:7px;height:7px;border-radius:50%;background:#3393F0;display:inline-block}
.kg-chip-dot[data-type="HAS_GENE"]{background:#E8EEF6}
.kg-chip-dot[data-type="DYSREGULATES"]{background:#C4D7F2}
.kg-chip-dot[data-type="CANDIDATE_DRUG"]{background:#004AAD;box-shadow:0 0 0 1px rgba(255,255,255,.3)}
.kg-chip-dot[data-type="HAS_BIOMARKER"]{background:#5FBCD3}
.kg-chip-dot[data-type="HAS_ENDOTYPE"]{background:#89B8F5}
.kg-chip-count{
  margin-left:4px;padding:1px 6px;border-radius:3px;
  background:rgba(255,255,255,.06);font-size:10px;color:#9DB1C5;
}
.kg-chip.active .kg-chip-count{background:rgba(51,147,240,.25);color:#fff}
.kg-toolbar-meta{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#6E8297;
  white-space:nowrap;
}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:#5FE3A1;
}

.kg-canvas-wrap{
  position:relative;height:540px;
  background-image:radial-gradient(circle at 1px 1px, rgba(51,147,240,.08) 1px, transparent 1.4px);
  background-size:28px 28px;
}
.kg-canvas{display:block;width:100%;height:100%}
.kg-legend{
  position:absolute;bottom:16px;left:18px;display:flex;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;color:#9DB1C5;
}
.kg-legend > div{display:inline-flex;align-items:center;gap:6px}
.kg-legend span{width:8px;height:8px;border-radius:50%}
.kg-scale{
  position:absolute;top:16px;right:18px;text-align:right;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:#6E8297;line-height:1.5;
  max-width:280px;
  background:linear-gradient(180deg,rgba(8,22,38,.9),rgba(8,22,38,.7));
  padding:6px 10px;border-radius:4px;
  backdrop-filter:blur(6px);
}
.kg-scale > div:first-child{text-transform:uppercase;color:#89B8F5}
.kg-tooltip{
  position:absolute;pointer-events:none;
  background:rgba(11,28,44,.94);border:1px solid rgba(51,147,240,.4);
  padding:7px 11px;border-radius:6px;
  backdrop-filter:blur(8px);z-index:2;
  transform:translate(0,-100%);
}
.kg-tooltip-type{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:#89B8F5}
.kg-tooltip-name{font-size:13px;font-weight:600;color:#fff;margin-top:2px;letter-spacing:-.01em}

.kg-stats-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:48px;padding-top:36px;
  border-top:1px solid rgba(255,255,255,.08);
}
.kg-stat-n{
  font-size:30px;font-weight:700;color:#fff;letter-spacing:-.025em;
  font-family:IBM Plex Mono, monospace;
}
.kg-stat-l{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:#9DB1C5;margin-top:4px;
}

/* Tool pills */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tool-card{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:26px 24px;transition:all .15s;position:relative;overflow:hidden;
}
.tool-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 20px 40px -20px rgba(21,49,69,.2)}
.tool-card.featured{
  background:linear-gradient(170deg,#004AAD,#00378A);color:#fff;
  border-color:transparent;grid-column:span 2;
}
.tool-badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);display:inline-flex;gap:8px;align-items:center;margin-bottom:10px}
.tool-card.featured .tool-badge{color:#B9D3F3}
.tool-title{font-size:18px;font-weight:700;letter-spacing:-.015em;margin:0 0 8px;color:var(--navy)}
.tool-card.featured .tool-title{color:#fff;font-size:24px}
.tool-desc{font-size:13.5px;line-height:1.55;color:var(--muted);margin:0 0 18px}
.tool-card.featured .tool-desc{color:#B9D3F3;font-size:15px}
.tool-stats{display:flex;gap:20px;padding-top:14px;border-top:1px solid var(--border)}
.tool-card.featured .tool-stats{border-top-color:rgba(255,255,255,.18)}
.tool-stat-v{font-size:17px;font-weight:700;color:var(--navy);font-variant-numeric:tabular-nums}
.tool-card.featured .tool-stat-v{color:#fff;font-size:22px}
.tool-stat-l{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.tool-card.featured .tool-stat-l{color:#89B8F5}
.tool-pass{font-family:var(--mono);font-size:10.5px;color:#1B8B4F;background:#E6F6EC;padding:3px 8px;border-radius:4px;margin-left:auto}

/* Validation strip */
.validation{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.val-card{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:24px 26px;
}
.val-card-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.val-disease{font-size:17px;font-weight:700;letter-spacing:-.015em;color:var(--navy)}
.val-mondo{font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.val-endo-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.val-endo-name{font-size:14px;font-weight:600;color:var(--navy);line-height:1.3;margin-bottom:10px}
.val-genes{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:16px}
.val-drugs{background:var(--surface-2);border-radius:10px;padding:14px;margin-top:12px}
.val-drug-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:8px}
.val-drug-row{display:flex;justify-content:space-between;padding:5px 0;font-size:13.5px;color:var(--navy);border-bottom:1px dashed var(--border)}
.val-drug-row:last-child{border-bottom:none}
.val-drug-row .s{font-family:var(--mono);color:var(--primary);font-weight:600}
.val-footer{margin-top:14px;display:flex;gap:8px;align-items:center;font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.03em}
.val-approved{background:#E6F6EC;color:#1B8B4F;padding:3px 8px;border-radius:4px;font-weight:600}

/* Lazarus */
.laz{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.laz-strategies{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.laz-step{
  display:grid;grid-template-columns:36px 1fr;gap:14px;padding:14px 18px;
  background:#fff;border:1px solid var(--border);border-radius:10px;align-items:center;
}
.laz-step-n{
  font-family:var(--mono);font-size:12px;font-weight:700;color:#fff;
  width:28px;height:28px;border-radius:6px;
  background:var(--primary);display:flex;align-items:center;justify-content:center;
}
.laz-step-n.d{background:var(--navy)}
.laz-step-name{font-size:14px;font-weight:600;color:var(--navy)}
.laz-step-desc{font-size:12.5px;color:var(--muted);margin-top:1px;line-height:1.45}

.laz-example{background:var(--primary);color:#fff;border-radius:16px;padding:32px;border:1px solid rgba(255,255,255,.16)}
.laz-orig{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:rgba(255,0,0,.06);border:1px solid rgba(255,100,100,.2);border-radius:10px;margin:16px 0 20px}
.laz-orig-lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#E6B8B8}
.laz-orig-name{font-size:15px;font-weight:600;color:#fff;margin-top:3px}
.laz-fail{font-family:var(--mono);font-size:11px;color:#FF9B9B;background:rgba(255,0,0,.12);padding:3px 8px;border-radius:4px}

.laz-revivals{display:flex;flex-direction:column;gap:8px}
.laz-rev{
  padding:14px 16px;border-radius:10px;
  background:rgba(51,147,240,.06);border:1px solid rgba(51,147,240,.18);
}
.laz-rev-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.laz-rev-strat{font-size:13.5px;font-weight:600;color:#fff}
.laz-rev-scores{display:flex;gap:12px;font-family:var(--mono);font-size:10.5px;color:#9DB1C5}
.laz-rev-scores b{color:var(--link)}
.laz-rev-desc{font-size:12.5px;color:#B9C6D4;line-height:1.5;margin:0}

/* Footer CTA */
.footer-cta{
  background:linear-gradient(165deg,#004AAD,#00378A);color:#fff;
  padding:100px 32px;text-align:center;
}
.footer-cta h2{font-size:clamp(34px,3.6vw,52px);font-weight:700;letter-spacing:-.028em;margin:0 0 16px;text-wrap:balance}
.footer-cta p{font-size:18px;color:#B9D3F3;max-width:620px;margin:0 auto 32px}
.footer-cta-actions{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center}

footer.foot{background:var(--navy-deep);color:#9DB1C5;padding:56px 32px 40px}
.foot-inner{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:0 0 14px}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.foot-col a{font-size:13.5px;color:#9DB1C5;transition:color .15s}
.foot-col a:hover{color:var(--link)}
.foot-copy{max-width:1240px;margin:40px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#6E8297;display:flex;justify-content:space-between}

/* Scrollbar for dark boxes */
.endo-list::-webkit-scrollbar{width:6px}
.endo-list::-webkit-scrollbar-thumb{background:#CFD6DF;border-radius:3px}

@media (max-width: 1100px){
  .hero-inner,.scoring,.laz{grid-template-columns:1fr}
  .kg-stats-row{grid-template-columns:repeat(2,1fr)}
  .kg-canvas-wrap{height:440px}
  .hero-viz{height:380px}
  .compare,.layers,.tools-grid,.validation{grid-template-columns:1fr}
  .endo-grid{grid-template-columns:1fr}
  .endo-list{border-right:none;border-bottom:1px solid var(--border)}
  .foot-inner{grid-template-columns:1fr 1fr}
  .tool-card.featured{grid-column:auto}
}


/* ─────────────── Mobile optimization (≤640px) ─────────────── */
@media (max-width: 640px){
  /* Shared platform/BioAtlas hero */
  .hero{ padding: 92px 20px 72px; }
  .hero-inner{ gap: 34px; }
  .h1{ font-size: clamp(31px, 8.4vw, 44px); letter-spacing:-.02em; line-height:1.05; margin:20px 0 18px; }
  .hero-lede{ font-size: 16px; line-height:1.6; }
  .hero-ctas{ gap:10px; }
  .hero-ctas .btn{ flex:1 1 auto; justify-content:center; }
  .hero-stats{ margin-top: 36px; }
  .hero-stat{ padding:14px 10px; }
  .hero-stat-num{ font-size:21px; }
  .hero-stat-lbl{ font-size:9.5px; letter-spacing:.1em; }
  /* Decorative floating endotype cards overflow on phones - drop them. */
  .hero-viz{ display:none; }

  /* Trim oversized section side padding site-wide. */
  .section{ padding-left:20px; padding-right:20px; }

  /* Footer columns collapse. */
  .foot-inner{ grid-template-columns:1fr 1fr; gap:28px 20px; }
}
@media (max-width: 420px){
  .foot-inner{ grid-template-columns:1fr; }
}


/* Mobile: when scrolled, collapse the whole header down to just the hamburger
   (logo + full bar return at the top of the page). */
@media (max-width: 900px){
  .nav-wrap.scrolled .nav{
    display:flex; justify-content:flex-end; align-items:center;
    width:max-content; max-width:100%;
    margin-left:auto; margin-right:0;
    padding:8px;
  }
  .nav-wrap.scrolled .nav-brand{ display:none; }
}


/* ─────────── Eyebrows removed site-wide ───────────
   Per direction: no more kicker labels above section titles / page headings. */
.section-eyebrow,
.subpage-eyebrow,
.eyebrow,
.home-pill-eyebrow,
.home-pillars-eyebrow,
.home-why-eyebrow,
.atlas-eyebrow,
.legal-eyebrow,
.home-numbers h3{ display:none !important; }