/* ===========================================================
   Hemocorr — shared stylesheet
   Tokens: ink (deep teal-charcoal), plasma (muted gold),
   garnet (muted wine — blood/correction), signal (soft teal —
   sensors / real-time data), steel (muted warm grey text)
   Palette tuned for a sober, soothing, low-glare feel.
   =========================================================== */

:root{
  --ink: #1B2E33;
  --ink-soft: #3D5258;
  --plasma: #C99A4D;
  --plasma-deep: #A87B34;
  --plasma-pale: #F1E7CF;
  --garnet: #7D3A4A;
  --garnet-deep: #5F2836;
  --signal: #2B8C82;
  --signal-pale: #D9EAE6;
  --steel: #5E6E72;
  --steel-pale: #DEE6E2;
  --paper: #FBF8F2;
  --paper-dim: #E9EEE7;
  --line: #E1E4DC;

  --display: "Fraunces", "Iowan Old Style", serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", monospace;

  --maxw: 1140px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img,svg{ max-width:100%; display:block; }
a{ color: var(--garnet); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible, .seg-link:focus-visible{
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

h1,h2,h3,h4{ font-family: var(--display); font-weight: 600; color: var(--ink); margin: 0 0 .5em; letter-spacing: -0.01em; }
h1{ font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.04; font-weight: 600; }
h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.15; font-weight: 700; }
h3{ font-size: 1.25rem; line-height: 1.3; }
p{ margin: 0 0 1.1em; color: var(--ink-soft); }
strong{ color: var(--ink); }

.eyebrow{
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--garnet);
  display: inline-flex;
  align-items: center;
  gap: .5em;
  margin-bottom: .9em;
}
.eyebrow.signal{ color: var(--signal); }
.eyebrow.muted{ color: var(--steel); }
.eyebrow::before{
  content:"";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
  display:inline-block;
  animation: dotPulse 2.4s ease-in-out infinite;
}
@keyframes dotPulse{ 0%,100%{ opacity:1; transform: scale(1); } 50%{ opacity:.5; transform: scale(1.35); } }

.lede{ font-size: 1.18rem; color: var(--ink-soft); max-width: 640px; }

/* ---------- header / nav ---------- */
header.site{
  position: sticky; top:0; z-index: 50;
  background: rgba(251,248,242,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 28px; max-width: var(--maxw); margin:0 auto; gap: 16px; flex-wrap: wrap;
}
.wordmark{
  font-family: var(--display); font-weight:600; font-size: 1.35rem; color: var(--ink);
  display:flex; align-items:baseline; gap:.5em;
}
.wordmark span{
  font-family: var(--mono); font-size:.6rem; letter-spacing:.1em; color: var(--steel);
  font-weight:400; text-transform: uppercase;
}
.patent-badge{
  font-family: var(--mono); font-size: .68rem; letter-spacing: .06em;
  color: var(--steel); text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 100px;
  padding: 6px 12px; white-space: nowrap;
  transition: border-color .2s ease, transform .2s ease;
}
.patent-badge:hover{ border-color: var(--garnet); transform: translateY(-1px); text-decoration:none; }
.patent-badge b{ color: var(--garnet); font-weight: 600; }

/* ---------- jump to section (custom dropdown, replaces native <select>) ---------- */
.jump{ position: relative; }
.jump-trigger{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.04em;
  color: var(--steel); background: var(--paper); border:1px solid var(--line); border-radius:8px;
  padding:8px 12px; max-width:190px; cursor:pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.jump-trigger:hover, .jump-trigger.is-open{
  border-color: var(--signal); color: var(--signal); background: var(--signal-pale);
}
.jump-trigger:focus-visible{ outline:2px solid var(--signal); outline-offset:2px; }
.jump-caret{ flex-shrink:0; transition: transform .2s ease; }
.jump-trigger.is-open .jump-caret{ transform: rotate(180deg); }

.jump-menu{
  position:absolute; top: calc(100% + 8px); left:0; z-index:60;
  list-style:none; margin:0; padding:6px;
  min-width:250px; max-height:340px; overflow-y:auto;
  background: var(--paper); border:1px solid var(--line); border-radius:10px;
  box-shadow: 0 12px 32px rgba(18,32,43,.14);
  opacity:0; transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease;
}
.jump-menu.is-open{ opacity:1; transform:translateY(0); }
.jump-menu a{
  display:block; font-family: var(--body); font-size:.9rem; color: var(--ink-soft);
  padding:9px 12px; border-radius:6px; text-decoration:none;
  transition: background .12s ease, color .12s ease;
}
.jump-menu a:hover, .jump-menu a:focus-visible{
  background: var(--signal-pale); color: var(--signal); outline:none;
}
@media (max-width:520px){ .jump-menu{ left:auto; right:0; min-width:220px; } }

.audience-strip{ border-bottom: 1px solid var(--line); background: var(--paper-dim); }
.seg{
  display:flex; gap: 4px; max-width: var(--maxw); margin: 0 auto; padding: 10px 28px;
  overflow-x:auto; -ms-overflow-style:none; scrollbar-width:none;
}
.seg::-webkit-scrollbar{ display:none; }
.seg-link{
  font-family: var(--mono); font-size: .92rem; letter-spacing: .02em;
  color: var(--steel); padding: 11px 20px; border-radius: 8px; white-space: nowrap;
  border: 1px solid transparent;
}
.seg-link:hover{ background: rgba(0,0,0,.04); text-decoration:none; }
.seg-link.active{
  background: var(--ink); color: var(--paper); font-weight:500;
}

/* ---------- sections ---------- */
section{ padding: 76px 0; }
section.tight{ padding: 48px 0; }
.bg-dim{ background: var(--paper-dim); }
.bg-ink{ background: var(--ink); color: #EAE6DC; }
.bg-ink h2, .bg-ink h3{ color: #F6F2E9; }
.bg-ink p{ color: #C7D0CB; }
.bg-ink .eyebrow{ color: var(--plasma); }
.bg-ink strong{ color: #F6F2E9; }
.bg-ink ul.tick li{ color: #C7D0CB; }
.bg-ink ul.tick li::before{ color: var(--plasma); }
.bg-ink .lede{ color: #C7D0CB; }
.divider{ height:1px; background: var(--line); border:0; margin:0; }

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4{ display:grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
@media (max-width: 880px){
  .grid-2{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-4{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 520px){
  .grid-4{ grid-template-columns: 1fr; }
}

/* ---------- path cards (home) ---------- */
.path-card{
  display:block; border: 1px solid var(--line); border-radius: 14px;
  padding: 28px 26px; background: var(--paper);
  transition: border-color .15s, transform .15s, box-shadow .15s;
  height: 100%;
}
.path-card:hover{
  border-color: var(--garnet);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(18,32,43,.08);
  text-decoration:none;
}
.path-card .tag{
  font-family: var(--mono); font-size: .68rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--steel); margin-bottom: 14px; display:block;
}
.path-card h3{ margin-bottom: 10px; color: var(--ink); }
.path-card p{ font-size: .96rem; margin-bottom: 16px; }
.path-card .go{ font-family: var(--mono); font-size: .8rem; color: var(--garnet); }
.path-card .go::after{ content:" →"; }

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid; grid-template-columns: repeat(4,1fr); gap: 24px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 36px 0;
}
@media (max-width: 880px){ .stat-strip{ grid-template-columns: repeat(2,1fr); } }
.stat{ text-align:left; }
.stat .num{ font-family: var(--display); font-size: 2rem; color: var(--garnet); display:block; }
.stat .lbl{ font-family: var(--mono); font-size: .74rem; color: var(--steel); text-transform: uppercase; letter-spacing:.04em; }
.stat.in .num{ animation: statPop .6s cubic-bezier(.2,.7,.2,1) .05s both; }
@keyframes statPop{ 0%{ transform: scale(.82); opacity:0; } 60%{ transform: scale(1.06); opacity:1; } 100%{ transform: scale(1); } }

/* ---------- diagram caption ---------- */
.diagram-frame{
  border: 1px solid var(--line); border-radius: 16px; background: var(--paper-dim);
  padding: 28px; margin: 32px 0;
}
.diagram-caption{
  font-family: var(--mono); font-size: .78rem; color: var(--steel); text-align:center; margin-top: 14px;
}
.legend{ display:flex; gap: 20px; flex-wrap:wrap; justify-content:center; margin-top: 18px; font-family: var(--mono); font-size:.72rem; color: var(--steel); }
.legend .sw{ display:inline-flex; align-items:center; gap:7px; }
.legend .dot{ width:9px; height:9px; border-radius:50%; display:inline-block; }

/* ---------- list components ---------- */
.kv-list{ display:flex; flex-direction:column; gap: 22px; }
.kv-item{ display:grid; grid-template-columns: 36px 1fr; gap: 16px; align-items:start; }
.kv-num{ font-family: var(--mono); font-size: .8rem; color: var(--paper); background: var(--ink); border-radius: 50%; width:32px; height:32px; display:flex; align-items:center; justify-content:center; }
.kv-num.kv-num-bridge{ border-radius:16px; width:max-content; justify-self:start; min-width:32px; padding:0 9px; white-space:nowrap; font-size:.68rem; letter-spacing:0; }
.kv-item h4{ margin: 0 0 4px; font-family: var(--body); font-size: 1.02rem; font-weight: 600; }
.kv-item p{ margin:0; font-size: .95rem; }

.step-row{ display:grid; grid-template-columns: 56px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.step-row:first-of-type{ border-top:none; }
.step-row .n{ font-family: var(--mono); font-size: 1.3rem; color: var(--plasma-deep); }
.step-row h4{ margin: 0 0 4px; }
.step-row p{ margin:0; font-size: .94rem; }

/* ---------- table ---------- */
.cmp-table{ width:100%; border-collapse: collapse; font-size: .92rem; }
.cmp-table th, .cmp-table td{ text-align:left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp-table th{ font-family: var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.04em; color: var(--steel); font-weight:500; }
.cmp-table td.ok{ color: var(--signal); font-weight:600; white-space:nowrap; }
.table-scroll{ overflow-x:auto; border: 1px solid var(--line); border-radius: 12px; }
.table-scroll .cmp-table{ min-width: 640px; }
.table-scroll th:first-child, .table-scroll td:first-child{ padding-left:18px; }

/* ---------- faq ---------- */
details.faq{ border-bottom: 1px solid var(--line); padding: 18px 0; }
details.faq summary{ cursor:pointer; font-weight:600; font-size: 1.02rem; color: var(--ink); list-style:none; display:flex; justify-content:space-between; gap:12px; }
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary::after{ content:"+"; font-family: var(--mono); color: var(--garnet); font-size:1.3rem; line-height:1; }
details.faq[open] summary::after{ content:"–"; }
details.faq p{ margin: 12px 0 0; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family: var(--mono); font-size: .85rem; letter-spacing:.02em;
  padding: 13px 22px; border-radius: 9px; border: 1px solid var(--ink);
  color: var(--ink); background: transparent; cursor:pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover{ background: var(--ink); color:#F6F2E9; text-decoration:none; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(18,32,43,.18); }
.btn:active{ transform: translateY(0); box-shadow:none; }
.btn.solid{ background: var(--ink); color:#F6F2E9; }
.btn.solid:hover{ background: var(--garnet-deep); border-color: var(--garnet-deep); }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 24px; }

/* ---------- pull quote / story ---------- */
.story-block{
  border-left: 3px solid var(--plasma);
  padding-left: 24px; margin: 28px 0; color: var(--ink-soft); font-size: 1.02rem;
}

/* ---------- footer ---------- */
footer.site{ background: var(--ink); color: #B6BFB8; padding: 56px 0 36px; }
footer.site .wordmark{ color:#F6F2E9; }
footer.site .wordmark span{ color: var(--plasma); }
footer.site a{ color: var(--plasma-pale); }
footer.site p{ color: #B6BFB8; }
footer.site .grid-2{ gap: 32px; }
.foot-cols{ display:grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(246,242,233,.12); margin-bottom: 24px; }
@media (max-width: 880px){ .foot-cols{ grid-template-columns: 1fr; } }
.foot-cols h4{ color:#F6F2E9; font-family: var(--mono); font-size:.74rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom: 14px; }
.foot-cols p, .foot-cols a{ font-size: .9rem; }
.fine{ font-size: .8rem; color: #8C9690; line-height: 1.6; }

.disclaimer{
  border: 1px solid var(--steel-pale); background: var(--paper-dim);
  border-radius: 12px; padding: 18px 22px; font-size: .85rem; color: var(--steel);
  margin-top: 36px;
}
.disclaimer strong{ color: var(--ink-soft); }

/* ---------- scroll-reveal ---------- */
.sr{ opacity:0; transform: translateY(20px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1); }
.sr.in{ opacity:1; transform: translateY(0); }

/* ---------- scroll progress bar ---------- */
.scroll-progress{ position:fixed; top:0; left:0; height:3px; width:100%; background: var(--garnet); transform: scaleX(0); transform-origin: 0 0; z-index:100; }

/* ---------- hero entrance ---------- */
@keyframes heroUp{ from{ opacity:0; transform: translateY(22px); } to{ opacity:1; transform: translateY(0); } }
.hero-anim > *{ opacity:0; animation: heroUp .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-anim > *:nth-child(1){ animation-delay: .05s; }
.hero-anim > *:nth-child(2){ animation-delay: .15s; }
.hero-anim > *:nth-child(3){ animation-delay: .28s; }
.hero-anim > *:nth-child(4){ animation-delay: .42s; }
.hero-anim > *:nth-child(5){ animation-delay: .56s; }

/* ---------- hero diagram svg motion ---------- */
.sensor-pulse{ animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:.45; } 50%{ opacity:1; } }
@media (prefers-reduced-motion: reduce){
  .sensor-pulse{ animation: none; opacity: .85; }
  html{ scroll-behavior: auto; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

/* ---------- Hemocorr numbered flowchart ---------- */
.hflow{ display:flex; flex-direction:column; max-width:760px; margin:0 auto; --step: .9s; }
.hflow-caption{ font-size:.92rem; color:var(--ink-soft); text-align:left; line-height:1.4; flex:1; animation: hfCaptionPulse calc(var(--step) * 7) ease-in-out infinite; animation-delay: calc(var(--step) * var(--i)); }
.hflow-caption.hf-caption-pink{ animation-name: hfCaptionPulse, hfCaptionColorPink; }
.hflow-caption.hf-caption-gold{ animation-name: hfCaptionPulse, hfCaptionColorGold; }
.hflow-caption.hf-caption-pink, .hflow-caption.hf-caption-gold{ animation-duration: calc(var(--step) * 7), calc(var(--step) * 7); animation-timing-function: ease-in-out, ease-in-out; animation-delay: calc(var(--step) * var(--i)), calc(var(--step) * var(--i)); }
@keyframes hfCaptionPulse{
  0%{ opacity:.55; }
  4%{ opacity:1; }
  13%{ opacity:.85; }
  100%{ opacity:.85; }
}
@keyframes hfCaptionColorPink{
  0%{ color: var(--ink-soft); }
  4%{ color: #8C1F3B; }
  16%{ color: #8C1F3B; }
  28%{ color: var(--ink-soft); }
  100%{ color: var(--ink-soft); }
}
@keyframes hfCaptionColorGold{
  0%{ color: var(--ink-soft); }
  4%{ color: #A6721F; }
  16%{ color: #A6721F; }
  28%{ color: var(--ink-soft); }
  100%{ color: var(--ink-soft); }
}
.hflow-row{ display:grid; grid-template-columns: 150px 26px 1fr; align-items:center; gap:14px; }
.hflow-side{
  font-family: var(--mono); font-size:.74rem; color: var(--garnet); text-transform:uppercase; letter-spacing:.04em;
  display:flex; align-items:center; gap:8px; justify-content:flex-end; text-align:right; white-space:nowrap;
}
.hflow-side .side-arrow{ color: var(--garnet); flex-shrink:0; }
.hflow-num{ font-family: var(--mono); font-size:.95rem; color: var(--steel); text-align:center; }
.hflow-box{
  background: #F1E2E4; border: 1.5px solid var(--garnet); border-radius: 10px;
  padding: 16px 20px; text-align:center; font-family: var(--body); font-weight:600; color: var(--ink);
  font-size: 1rem;
  animation-name: hfWave;
  animation-duration: calc(var(--step) * 7);
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-delay: calc(var(--step) * var(--i));
}
.hflow-box.hf-fill{
  animation-name: hfWave, hfBoxFill;
  animation-duration: calc(var(--step) * 7), calc(var(--step) * 7);
  animation-timing-function: ease-in-out, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-delay: calc(var(--step) * var(--i)), calc(var(--step) * (var(--i) - 1) + var(--step) * .55);
}
.hflow-box.hf-fill-pink{
  animation-name: hfWave, hfBoxFillPink;
  animation-duration: calc(var(--step) * 7), calc(var(--step) * 7);
  animation-timing-function: ease-in-out, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-delay: calc(var(--step) * var(--i)), calc(var(--step) * (var(--i) - 1) + var(--step) * .55);
}
.hflow-box.hf-fill-pink-blood{
  animation-name: hfWave, hfBoxFillPink;
  animation-duration: calc(var(--step) * 7), calc(var(--step) * 7);
  animation-timing-function: ease-in-out, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-delay: calc(var(--step) * var(--i)), 0s;
}
.hflow-box-pair{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; }
.hflow-arrows{ display:flex; justify-content:center; padding: 2px 0; grid-column: 1 / -1; margin-left: 164px; }
.hflow-arrows.two{ gap: 118px; margin-left: 96px; }
.hf-down{
  color: var(--signal);
  animation: hfDrop calc(var(--step) * 7) ease-in-out infinite;
  animation-delay: calc(var(--step) * var(--i) + var(--step) * .55);
  opacity: 0;
}
.side-arrow{ opacity:.55; }
.hflow-row[style*="--i:0"] .side-arrow{ animation: hfSideIn calc(var(--step) * 7) ease-in-out infinite; }
.hflow-row[style*="--i:1"] .side-arrow, .hflow-row[style*="--i:6"] .side-arrow{ animation: hfSideOut calc(var(--step) * 7) ease-in-out infinite; }
.hflow-row[style*="--i:1"] .side-arrow{ animation-delay: calc(var(--step) * 1); }
.hflow-row[style*="--i:6"] .side-arrow{ animation-delay: calc(var(--step) * 6); }

@keyframes hfWave{
  0%{ border-color: var(--garnet); box-shadow: 0 0 0 0 rgba(125,58,74,0); transform: scale(1); }
  4%{ border-color: var(--ink); box-shadow: 0 0 0 7px rgba(125,58,74,.16); transform: scale(1.025); }
  13%{ border-color: var(--garnet); box-shadow: 0 0 0 0 rgba(125,58,74,0); transform: scale(1); }
  100%{ border-color: var(--garnet); box-shadow: 0 0 0 0 rgba(125,58,74,0); transform: scale(1); }
}
@keyframes hfDrop{
  0%{ opacity:0; transform: translateY(-4px); }
  4%{ opacity:1; transform: translateY(2px); }
  16%{ opacity:1; transform: translateY(8px); }
  28%{ opacity:0; transform: translateY(14px); }
  100%{ opacity:0; }
}
@keyframes hfBoxFill{
  0%{ background: #F1E2E4; }
  4%{ background: #FBEEC2; }
  16%{ background: #FBEEC2; }
  28%{ background: #F1E2E4; }
  100%{ background: #F1E2E4; }
}
@keyframes hfBoxFillPink{
  0%{ background: #F1E2E4; }
  4%{ background: #F6D3DA; }
  16%{ background: #F6D3DA; }
  28%{ background: #F1E2E4; }
  100%{ background: #F1E2E4; }
}
@keyframes hfSideIn{
  0%{ opacity:.55; transform: translateX(0); }
  4%{ opacity:1; transform: translateX(4px); }
  13%{ opacity:.55; transform: translateX(0); }
  100%{ opacity:.55; transform: translateX(0); }
}
@keyframes hfSideOut{
  0%{ opacity:.55; transform: translateX(0); }
  4%{ opacity:1; transform: translateX(-4px); }
  13%{ opacity:.55; transform: translateX(0); }
  100%{ opacity:.55; transform: translateX(0); }
}
@media (max-width: 640px){
  .hflow-row{ grid-template-columns: 1fr; text-align:center; }
  .hflow-side{ justify-content:center; order:-1; }
  .hflow-num{ display:none; }
  .hflow-arrows{ margin-left:0; }
  .hflow-arrows.two{ gap: 40px; margin-left:0; }
}
@media (prefers-reduced-motion: reduce){
  .hflow-box, .hf-down, .side-arrow{ animation: none !important; opacity:1; }
}

/* ---------- flow diagram (egress -> correction -> return) ---------- */
.flow{
  display:flex; align-items:flex-start; gap:0; flex-wrap:nowrap; justify-content:center;
  padding: 56px 0 10px; overflow-x:auto;
}
.flow .stage{
  width: 134px; display:flex; flex-direction:column; align-items:center; text-align:center; gap:10px; position:relative; flex-shrink:0;
}
.flow .stage .icon-box{
  width:80px; height:80px; border-radius:16px; background:var(--paper); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; position:relative;
}
.flow .stage .icon-box.patient{ background: var(--paper-dim); }
.flow .stage .label{ font-family: var(--mono); font-size:.7rem; color: var(--ink-soft); line-height:1.45; }
.flow .stage .label b{ display:block; color:var(--ink); font-size:.78rem; font-weight:600; font-family: var(--body); margin-bottom:2px; }

.flow .connector{ width: 36px; height: 80px; display:flex; align-items:center; justify-content:center; position:relative; flex-shrink:0; }
.flow .connector .arrow-h{ color: var(--steel); font-size:1.05rem; line-height:1; }
.flow .connector .arrow-v{ display:none; color: var(--steel); font-size:1.05rem; }
.flow .connector .fdot{
  position:absolute; width:6px;height:6px;border-radius:50%; background:var(--plasma-deep);
  top:50%; left:6px; transform:translateY(-50%);
  animation: flowx 2.6s linear infinite;
}
@keyframes flowx{ 0%{ left:4px; opacity:0;} 14%{opacity:1;} 86%{opacity:1;} 100%{ left:28px; opacity:0;} }

.cell-return{
  position:absolute; top:-46px; left:50%; width: 240px; transform: translateX(-32%);
  text-align:center; pointer-events:none;
}
.cell-return svg{ width:100%; height:30px; display:block; }
.cell-return .txt{ font-family: var(--mono); font-size:.62rem; color: var(--garnet); white-space:nowrap; margin-top:2px; }

@media (max-width: 1060px){
  .flow{ flex-direction:column; align-items:center; padding-top:10px; }
  .flow .connector{ width:80px; height:36px; }
  .flow .connector .arrow-h{ display:none; }
  .flow .connector .arrow-v{ display:block; }
  .flow .connector .fdot{ top:6px; left:50%; transform:translateX(-50%); animation: flowy 2.6s linear infinite; }
  @keyframes flowy{ 0%{ top:4px; opacity:0;} 14%{opacity:1;} 86%{opacity:1;} 100%{ top:26px; opacity:0;} }
  .cell-return{ display:none; }
}

.mono{ font-family: var(--mono); }
.small{ font-size:.88rem; }
.center{ text-align:center; }
.mt-0{ margin-top:0; }
ul.clean{ margin:0; padding:0; list-style:none; }
ul.tick{ margin:0 0 1.1em; padding:0; list-style:none; display:flex; flex-direction:column; gap:10px; }
ul.tick li{ padding-left: 22px; position:relative; color: var(--ink-soft); font-size:.96rem; }
ul.tick li::before{ content:"—"; position:absolute; left:0; color: var(--garnet); }

.art-subtitle{font-family:var(--display);font-size:clamp(1.2rem,2vw,1.6rem);font-weight:500;color:var(--plasma);margin:10px 0 16px;letter-spacing:-.01em;}