/* ============================================================
   Aira 2026 — shared dark design system
   Used by: index.html, case-studies/*, privacy-policy, terms-of-service,
   changelog, for-medtech. Single source of truth for the theme.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --ink:        #F7F8F8;   /* near-white */
  --ink-dim:    #A7AFB6;   /* steel gray */
  --ink-faint:  #6B7278;
  --void:       #060809;   /* OR dark */
  --void-soft:  #0C0F11;
  --paper:      #FAFBFB;   /* light sections */
  --paper-ink:  #0C0F11;
  --paper-dim:  #5C6469;
  --pulse:      #45D6C4;   /* single clinical accent — used sparingly */
  --hairline:   rgba(255,255,255,.12);
  --hairline-d: rgba(12,15,17,.10);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Inter, Segoe UI, Roboto, sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font);
  background:var(--void);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{ background:var(--pulse); color:var(--void); }

a{ color:inherit; text-decoration:none; }
a:focus-visible, button:focus-visible{
  outline:2px solid var(--pulse); outline-offset:3px; border-radius:2px;
}

.wrap{ width:min(1180px, 92vw); margin-inline:auto; }

/* ---------- Nav ---------- */
nav{
  position:fixed; inset:0 0 auto 0; z-index:50;
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  background:rgba(6,8,9,.42);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:56px;
}
.wordmark{ display:flex; align-items:center; }
.wordmark img{
  height:26px; width:auto; display:block;
  filter:brightness(0) invert(1); /* renders the logo white on the dark nav */
}
.nav-links{ display:flex; gap:34px; align-items:center; }
.nav-links a{
  font-size:13.5px; color:var(--ink-dim); font-weight:450;
  transition:color .25s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-cta{
  font-size:13.5px; font-weight:500; color:var(--void) !important;
  background:var(--ink); padding:7px 16px; border-radius:100px;
  transition:transform .25s ease, background .25s ease;
}
.nav-cta:hover{ background:#fff; transform:translateY(-1px); }

/* ---------- Hero ---------- */
header{
  position:relative; min-height:100svh;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden; text-align:center;
}
.hero-media{
  position:absolute; inset:0; z-index:0;
}
.hero-media video, .hero-fallback{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover;
}
/* Fallback: slow OR-light drift shown until/unless footage loads */
.hero-fallback{
  background:
    radial-gradient(120% 90% at 70% 20%, rgba(69,214,196,.10), transparent 55%),
    radial-gradient(90% 70% at 25% 80%, rgba(120,150,170,.10), transparent 60%),
    radial-gradient(140% 120% at 50% 40%, #101519 0%, #060809 70%);
  animation:drift 26s ease-in-out infinite alternate;
}
@keyframes drift{
  from{ transform:scale(1) translate(0,0); }
  to  { transform:scale(1.08) translate(-1.5%, 1.5%); }
}
.hero-scrim{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(180deg, rgba(6,8,9,.55) 0%, rgba(6,8,9,.28) 40%, rgba(6,8,9,.78) 100%);
}
.hero-content{
  position:relative; z-index:2;
  width:min(880px, 92vw);
  padding-top:56px;
}
h1{
  font-size:clamp(42px, 7.2vw, 88px);
  line-height:1.03; letter-spacing:-.028em; font-weight:600;
}
h1 .line{ display:block; overflow:hidden; }
h1 .line > span{
  display:block; transform:translateY(110%);
  animation:reveal 1s cubic-bezier(.2,.7,.2,1) forwards;
}
h1 .line:nth-child(1) > span{ animation-delay:.35s; }
h1 .line:nth-child(2) > span{ animation-delay:.5s; }
.hero-sub{
  margin:28px auto 0; max-width:640px;
  font-size:clamp(16px, 2vw, 20px); line-height:1.55;
  color:rgba(247,248,248,.82); font-weight:400;
  opacity:0; animation:rise .9s cubic-bezier(.2,.7,.2,1) .85s forwards;
}
.hero-actions{
  margin-top:40px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap;
  opacity:0; animation:rise .9s cubic-bezier(.2,.7,.2,1) 1.05s forwards;
}
.btn{
  display:inline-block; font-size:15px; font-weight:500;
  padding:13px 28px; border-radius:100px;
  transition:transform .25s ease, background .25s ease, border-color .25s ease;
}
.btn-solid{ background:var(--ink); color:var(--void); }
.btn-solid:hover{ background:#fff; transform:translateY(-1px); }
.btn-ghost{
  color:var(--ink); border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.02);
}
.btn-ghost:hover{ border-color:rgba(255,255,255,.6); transform:translateY(-1px); }

.scroll-cue{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  z-index:2; width:1px; height:52px; background:rgba(255,255,255,.25);
  overflow:hidden;
}
.scroll-cue::after{
  content:""; position:absolute; inset:0;
  background:var(--ink); transform:translateY(-100%);
  animation:cue 2.2s ease-in-out infinite;
}
@keyframes cue{ 0%{transform:translateY(-100%)} 55%{transform:translateY(100%)} 100%{transform:translateY(100%)} }
@keyframes rise{ from{opacity:0; transform:translateY(18px)} to{opacity:1; transform:none} }
@keyframes reveal{ to{ transform:translateY(0) } }

/* ---------- Statement / signature ---------- */
.statement{
  padding:22vh 0;
  text-align:center;
  background:var(--void);
}
.statement p.lede{
  max-width:760px; margin-inline:auto;
  font-size:clamp(22px, 3.4vw, 36px); line-height:1.35;
  letter-spacing:-.015em; font-weight:500; color:var(--ink-dim);
}
.statement p.lede strong{ color:var(--ink); font-weight:500; }

/* ---------- Client logos ---------- */
.logos{
  background:var(--paper); color:var(--paper-ink);
  padding:72px 0 76px; text-align:center;
  border-bottom:1px solid var(--hairline-d);
}
.logos .kicker{ margin-bottom:44px; }
.marquee{
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image:linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track{
  display:flex; align-items:center; gap:84px;
  width:max-content; padding-inline:42px;
  animation:marquee 36s linear infinite;
}
/* Marquee runs continuously — no pause on hover (per product decision). */
.marquee-track img{
  height:42px; width:auto; max-width:200px; object-fit:contain;
  filter:grayscale(1); opacity:.6;
  transition:filter .3s ease, opacity .3s ease;
}
.marquee-track img:hover{ filter:none; opacity:1; }
@keyframes marquee{ from{ transform:translateX(0) } to{ transform:translateX(-50%) } }

/* ---------- Platform ---------- */
.platform{
  background:var(--paper); color:var(--paper-ink);
  padding:16vh 0 14vh;
}
.kicker{
  font-size:13px; letter-spacing:.22em; text-transform:uppercase;
  font-weight:550; color:var(--paper-dim); margin-bottom:20px;
}
.platform h2{
  font-size:clamp(32px, 4.6vw, 56px); font-weight:600;
  letter-spacing:-.025em; line-height:1.08; max-width:720px;
}
.cap-rows{ margin-top:9vh; border-top:1px solid var(--hairline-d); }
.cap{
  display:grid; grid-template-columns: 1fr 1fr; gap:6vw;
  padding:64px 0; border-bottom:1px solid var(--hairline-d);
  align-items:center;
}
.cap h3{
  font-size:clamp(22px, 2.6vw, 30px); font-weight:600; letter-spacing:-.02em;
}
.cap p{
  margin-top:14px;
  font-size:17px; line-height:1.65; color:var(--paper-dim); max-width:56ch;
}
.cap .tag{
  display:inline-block; margin-top:18px;
  font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--paper-ink); font-weight:550;
  border-bottom:2px solid var(--pulse); padding-bottom:3px;
}

/* ---- Viz cards (default styles = finished state, so reduced-motion shows the result) ---- */
.viz{
  background:#fff; border:1px solid var(--hairline-d); border-radius:20px;
  padding:26px 28px; font-size:14px;
  box-shadow:0 30px 70px -45px rgba(12,15,17,.35);
}
.viz-head{
  display:flex; justify-content:space-between; align-items:center;
  font-size:12.5px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--paper-dim); font-weight:550; margin-bottom:18px;
}
.viz-chip{
  letter-spacing:.02em; text-transform:none; font-size:12.5px; font-weight:550;
  color:var(--paper-ink); border:1px solid var(--hairline-d);
  border-radius:100px; padding:4px 11px;
}
.okdot{
  display:inline-flex; align-items:center; justify-content:center;
  width:17px; height:17px; border-radius:50%;
  background:var(--pulse); color:#fff; font-size:11px; font-style:normal;
  margin-right:9px; flex:none;
}

/* Benefits Verification */
.bv-row{
  display:flex; justify-content:space-between; padding:9px 0;
  border-bottom:1px solid var(--hairline-d);
  font-size:13.5px; color:var(--paper-dim);
}
.bv-row b{ color:var(--paper-ink); font-weight:550; }
.bv-status{ position:relative; height:24px; margin-top:16px; }
.bv-status > span{
  position:absolute; inset:0; display:flex; align-items:center;
  font-size:13.5px; font-weight:550; color:var(--paper-ink);
}
.spin{
  width:13px; height:13px; border-radius:50%; margin-right:9px; flex:none;
  border:2px solid var(--hairline-d); border-top-color:var(--pulse);
  animation:spin .8s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg) } }
.bv-checking{ opacity:0; animation:bvA 6s ease infinite; }
.bv-ok{ opacity:1; animation:bvB 6s ease infinite; }
@keyframes bvA{ 0%,45%{opacity:1} 55%,100%{opacity:0} }
@keyframes bvB{ 0%,45%{opacity:0} 55%,100%{opacity:1} }

/* Medical Necessity */
.mn-policy{
  display:flex; flex-direction:column; gap:7px; align-items:flex-start;
  padding:12px 14px; margin-bottom:8px;
  background:rgba(69,214,196,.09);
  border:1px solid rgba(69,214,196,.35);
  border-radius:12px;
}
.mn-payer{
  display:inline-flex; align-items:center; gap:8px;
  font-size:11px; font-weight:700; letter-spacing:.09em; text-transform:uppercase;
  color:#0B8A7B;
}
.mn-payer::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background:var(--pulse); box-shadow:0 0 0 3px rgba(69,214,196,.22);
}
.mn-policy-ref{
  font-size:12.5px; font-weight:550; color:var(--paper-ink); line-height:1.45;
}
.mn-policy-ref b{
  font-weight:650;
}
.mn-effective{
  display:inline-block; margin-left:2px; padding:2px 8px;
  font-size:11px; font-weight:600; color:#0B8A7B;
  border:1px solid rgba(69,214,196,.5); border-radius:100px;
  background:#fff; vertical-align:1px;
}
.mn-list{ list-style:none; }
.mn-list li{
  display:flex; align-items:flex-start; padding:11px 0;
  font-size:13.5px; font-weight:500; color:var(--paper-ink);
  border-bottom:1px solid var(--hairline-d);
}
.mn-box{
  display:inline-flex; align-items:center; justify-content:center;
  width:17px; height:17px; border-radius:5px; flex:none;
  background:var(--pulse); color:#fff; font-size:11px; font-style:normal;
  margin-right:11px; margin-top:1px; opacity:1;
}
.mn-body{ display:flex; flex-direction:column; gap:3px; min-width:0; }
.mn-crit{ font-weight:600; }
.mn-find{ font-size:12.5px; font-weight:450; color:var(--paper-dim); line-height:1.45; }
.mn-src{
  font-size:11.5px; font-weight:550; color:var(--pulse);
  letter-spacing:.01em;
}
.mn1{ animation:mnT1 7s ease infinite; }
.mn2{ animation:mnT2 7s ease infinite; }
.mn3{ animation:mnT3 7s ease infinite; }
@keyframes mnT1{ 0%{opacity:.18} 14%,100%{opacity:1} }
@keyframes mnT2{ 0%,18%{opacity:.18} 34%,100%{opacity:1} }
@keyframes mnT3{ 0%,38%{opacity:.18} 54%,100%{opacity:1} }
.mn-met{
  display:flex; align-items:center; margin-top:16px;
  font-size:13.5px; font-weight:600; color:var(--paper-ink);
  animation:mnMet 7s ease infinite;
}
@keyframes mnMet{ 0%,60%{opacity:0; transform:translateY(5px)} 72%,100%{opacity:1; transform:none} }

/* Prior Authorization — packet assembly */
.pa-notes{ list-style:none; margin-top:2px; }
.pa-notes li{
  padding:10px 0; border-bottom:1px solid var(--hairline-d);
}
.pa-notes li:last-of-type{ border-bottom:none; }
.pa-note{
  display:flex; align-items:center; gap:11px;
}
.pa-doc{
  width:26px; height:30px; flex:none; position:relative;
  background:#fff; border:1.5px solid #C6CDD1; border-radius:5px;
}
.pa-doc::before, .pa-doc::after{
  content:""; position:absolute; left:5px; right:5px; height:2px;
  border-radius:2px; background:#D9DEE1;
}
.pa-doc::before{ top:8px; }
.pa-doc::after{ top:14px; right:9px; }
.pa-note-meta{ display:flex; flex-direction:column; gap:1px; min-width:0; flex:1; }
.pa-title{ font-size:13.5px; font-weight:600; color:var(--paper-ink); }
.pa-date{ font-size:12px; font-weight:500; color:var(--paper-dim); }
.pa-toggle{
  flex:none; width:34px; height:20px; border-radius:100px;
  background:#DDE2E5; position:relative; transition:background .3s ease;
}
.pa-toggle::after{
  content:""; position:absolute; top:2px; left:2px;
  width:16px; height:16px; border-radius:50%; background:#fff;
  box-shadow:0 1px 3px rgba(12,15,17,.25);
}
.pa-ai{
  display:flex; align-items:flex-start; gap:8px;
  margin:9px 0 2px 37px; padding:8px 11px;
  background:rgba(69,214,196,.09); border:1px solid rgba(69,214,196,.3);
  border-radius:10px 10px 10px 3px;
  font-size:12px; font-weight:500; color:var(--paper-ink); line-height:1.5;
}
.pa-ai b{ color:#0B8A7B; font-weight:700; }
.pa-skip .pa-title, .pa-skip .pa-date{ color:var(--paper-dim); }
.pa-skip .pa-title{ font-weight:550; }
.pa-skip .pa-doc{ border-style:dashed; opacity:.75; }
.pa-skip .pa-ai{
  background:rgba(12,15,17,.04); border-color:var(--hairline-d);
}
.pa-skip .pa-ai b{ color:var(--paper-dim); }
.pa1{ animation:paT1 9s ease infinite; }
.pa2{ animation:paT2 9s ease infinite; }
.pa3{ animation:paT3 9s ease infinite; }
.pa4{ animation:paT4 9s ease infinite; }
@keyframes paT1{ 0%{opacity:.15} 10%,100%{opacity:1} }
@keyframes paT2{ 0%,13%{opacity:.15} 24%,100%{opacity:1} }
@keyframes paT3{ 0%,27%{opacity:.15} 38%,100%{opacity:1} }
@keyframes paT4{ 0%,41%{opacity:.15} 52%,100%{opacity:1} }
.pa1 .pa-toggle{ animation:paTog1 9s ease infinite; }
.pa3 .pa-toggle{ animation:paTog3 9s ease infinite; }
.pa4 .pa-toggle{ animation:paTog4 9s ease infinite; }
@keyframes paTog1{ 0%,7%{background:#DDE2E5} 12%,100%{background:var(--pulse)} }
@keyframes paTog3{ 0%,35%{background:#DDE2E5} 40%,100%{background:var(--pulse)} }
@keyframes paTog4{ 0%,49%{background:#DDE2E5} 54%,100%{background:var(--pulse)} }
.pa1 .pa-toggle::after{ animation:paKnob1 9s ease infinite; }
.pa3 .pa-toggle::after{ animation:paKnob3 9s ease infinite; }
.pa4 .pa-toggle::after{ animation:paKnob4 9s ease infinite; }
@keyframes paKnob1{ 0%,7%{transform:none} 12%,100%{transform:translateX(14px)} }
@keyframes paKnob3{ 0%,35%{transform:none} 40%,100%{transform:translateX(14px)} }
@keyframes paKnob4{ 0%,49%{transform:none} 54%,100%{transform:translateX(14px)} }
.pa-ready{
  display:flex; align-items:center; margin-top:14px;
  font-size:13.5px; font-weight:600; color:var(--paper-ink);
  animation:paReady 9s ease infinite;
}
@keyframes paReady{ 0%,60%{opacity:0; transform:translateY(5px)} 72%,100%{opacity:1; transform:none} }

/* Appeals letter */
.ap-steps{ margin-bottom:4px; }
.ap-step{
  display:flex; align-items:flex-start; gap:0;
  padding:9px 0; border-bottom:1px solid var(--hairline-d);
}
.ap-step .okdot{ margin-top:1px; }
.ap-step-body{ display:flex; flex-direction:column; gap:2px; }
.ap-step-body b{ font-size:13.5px; font-weight:600; color:var(--paper-ink); }
.ap-step-body span{ font-size:12px; font-weight:500; color:var(--paper-dim); line-height:1.45; }
.ap1{ animation:apT1 8s ease infinite; }
.ap2{ animation:apT2 8s ease infinite; }
@keyframes apT1{ 0%{opacity:.15} 12%,100%{opacity:1} }
@keyframes apT2{ 0%,16%{opacity:.15} 30%,100%{opacity:1} }
.letter{ position:relative; padding:12px 0 6px; }
.letter .l{
  height:8px; border-radius:4px; background:#E4E8EA;
  margin:12px 0; transform-origin:left center;
}
.l1{ width:88%; animation:lw1 8s ease infinite; }
.l2{ width:100%; animation:lw2 8s ease infinite; }
.l3{ width:74%; animation:lw3 8s ease infinite; }
.l4{ width:52%; animation:lw4 8s ease infinite; }
@keyframes lw1{ 0%,34%{transform:scaleX(0)} 44%,100%{transform:scaleX(1)} }
@keyframes lw2{ 0%,42%{transform:scaleX(0)} 52%,100%{transform:scaleX(1)} }
@keyframes lw3{ 0%,50%{transform:scaleX(0)} 60%,100%{transform:scaleX(1)} }
@keyframes lw4{ 0%,58%{transform:scaleX(0)} 66%,100%{transform:scaleX(1)} }
.stamp{
  position:absolute; right:2px; bottom:-2px;
  font-size:11px; font-weight:700; letter-spacing:.11em; text-transform:uppercase;
  color:var(--pulse); border:2px solid var(--pulse); border-radius:6px;
  padding:5px 11px; transform:rotate(-5deg); white-space:nowrap;
  animation:stamp 8s cubic-bezier(.2,1.4,.4,1) infinite;
}
@keyframes stamp{
  0%,72%{ opacity:0; transform:rotate(-5deg) scale(1.5) }
  82%,100%{ opacity:1; transform:rotate(-5deg) scale(1) }
}

/* ---------- Specialties ---------- */
.specialties{
  background:var(--void-soft); padding:12vh 0; text-align:center;
}
.specialties .kicker{ color:var(--ink-faint); }
.spec-line{
  font-size:clamp(24px, 3.6vw, 44px); font-weight:600; letter-spacing:-.02em;
  line-height:1.35; color:var(--ink);
}
.spec-line .dot{ color:var(--pulse); padding:0 .35em; font-weight:400; }
.spec-more{
  margin-top:18px;
  font-size:clamp(16px, 1.8vw, 21px); font-weight:400; letter-spacing:-.01em;
  color:var(--ink-dim);
}
.spec-more .plus{ color:var(--pulse); font-weight:500; padding-right:.15em; }
.spec-sub{
  margin-top:22px; color:var(--ink-dim); font-size:16px;
}

/* ---------- Dual audience ---------- */
.audiences{
  background:var(--paper); color:var(--paper-ink); padding:14vh 0;
}
.aud-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:5vw; margin-top:8vh;
}
.aud h3{
  font-size:clamp(24px, 3vw, 34px); font-weight:600; letter-spacing:-.02em;
  margin-bottom:18px;
}
.aud p{ font-size:17px; line-height:1.65; color:var(--paper-dim); }
.aud ul{ list-style:none; margin-top:26px; }
.aud li{
  padding:15px 0; border-top:1px solid var(--hairline-d);
  font-size:15.5px; color:var(--paper-ink);
}
.aud li:last-child{ border-bottom:1px solid var(--hairline-d); }

/* ---------- Case studies ---------- */
.cases{
  background:var(--paper); color:var(--paper-ink); padding:14vh 0;
}
.case-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:28px; margin-top:8vh;
}
.case{
  display:flex; flex-direction:column;
  border:1px solid var(--hairline-d); border-radius:20px;
  padding:34px 30px 30px;
  transition:transform .3s ease, box-shadow .3s ease;
}
.case:hover{
  transform:translateY(-4px);
  box-shadow:0 24px 60px -30px rgba(12,15,17,.25);
}
.case .logo{
  height:38px; width:auto; max-width:180px; object-fit:contain;
  align-self:flex-start; margin-bottom:18px;
  filter:grayscale(1); opacity:.85;
  transition:filter .3s ease, opacity .3s ease;
}
.case:hover .logo{ filter:none; opacity:1; }
.case .who{
  font-size:12.5px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--paper-dim); font-weight:550; margin-bottom:16px;
}
.case h3{
  font-size:22px; font-weight:600; letter-spacing:-.02em; line-height:1.25;
}
.case p{
  margin-top:14px; font-size:15.5px; line-height:1.6; color:var(--paper-dim);
  flex-grow:1;
}
.case-stats{
  display:flex; flex-wrap:wrap; gap:10px; margin-top:24px;
}
.case-stats span{
  font-size:13px; font-weight:550; color:var(--paper-ink);
  border:1px solid var(--hairline-d); border-radius:100px;
  padding:6px 13px;
}
.case .read{
  margin-top:26px; font-size:14.5px; font-weight:550; color:var(--paper-ink);
  border-bottom:2px solid var(--pulse); align-self:flex-start; padding-bottom:3px;
  transition:opacity .25s ease;
}
.case .read:hover{ opacity:.65; }

/* ---------- Testimonials ---------- */
.quotes{
  background:var(--void-soft); padding:14vh 0;
}
.quote-carousel{
  margin-top:8vh;
}
.quote-track{
  display:grid;
}
.quote{
  grid-area:1 / 1; margin:0; max-width:820px;
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .55s ease, transform .55s ease, visibility .55s;
}
.quote.active{
  opacity:1; visibility:visible; transform:none;
}
.quote-controls{
  display:flex; align-items:center; gap:20px; margin-top:44px;
}
.quote-arrow{
  width:46px; height:46px; border-radius:50%;
  border:1px solid var(--hairline); background:transparent;
  color:var(--ink-dim); cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center;
  transition:border-color .25s ease, color .25s ease;
}
.quote-arrow:hover{ border-color:var(--ink-dim); color:var(--ink); }
.quote-arrow svg{ width:18px; height:18px; }
.quote-count{
  font-size:13px; color:var(--ink-faint); letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.quote-count b{ color:var(--ink); font-weight:550; }
.quote blockquote{
  font-size:clamp(17px, 1.9vw, 21px); line-height:1.55;
  color:var(--ink-dim); letter-spacing:-.005em;
}
.quote blockquote::before{ content:"“"; color:var(--pulse); margin-right:2px; }
.quote blockquote::after{ content:"”"; }
.quote strong{ color:var(--ink); font-weight:500; }
.quote figcaption{
  margin-top:20px; font-size:14px; color:var(--ink-faint);
}
.quote figcaption b{ color:var(--ink); font-weight:550; display:block; font-size:15px; margin-bottom:2px; }

/* ---------- Stats band ---------- */
.stat-band{
  background:var(--void); text-align:center; padding:18vh 0;
}
.stat-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:8vw; align-items:start;
}
.stat-num{
  font-size:clamp(64px, 10vw, 150px); font-weight:650;
  letter-spacing:-.045em; line-height:.95; white-space:nowrap;
  background:linear-gradient(180deg, #fff 30%, rgba(255,255,255,.45));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stat-unit{ font-size:.5em; vertical-align:.35em; }
.stat-unit-w{ font-size:.32em; vertical-align:.5em; margin-left:.25em; letter-spacing:-.01em; }
.stat-label{
  margin-top:22px; font-size:clamp(15px, 1.8vw, 18px);
  color:var(--ink-dim); max-width:34ch; margin-inline:auto;
}

/* ---------- Compliance / trust band ---------- */
.trust{
  background:var(--void); text-align:center;
  padding:0 0 14vh;
}
.trust-inner{
  display:flex; align-items:center; justify-content:center; gap:52px;
  flex-wrap:wrap;
  border-top:1px solid var(--hairline);
  padding-top:52px;
}
.trust .kicker{
  width:100%; color:var(--ink-faint); margin-bottom:34px;
}
.trust-badge{
  display:flex; align-items:center; gap:14px;
  color:var(--ink-dim);
}
.trust-badge img{
  height:66px; width:auto;
  opacity:.95;
  transition:opacity .3s ease;
}
.trust-badge:hover img{ opacity:1; }
.trust-badge span{
  text-align:left; font-size:13px; line-height:1.4;
}
.trust-badge b{
  display:block; color:var(--ink); font-weight:550; font-size:14px;
}

/* ---------- Final CTA ---------- */
.cta-final{
  background:var(--void); text-align:center; padding:18vh 0 20vh;
}
.cta-final h2{
  font-size:clamp(32px, 5vw, 60px); font-weight:600; letter-spacing:-.028em;
}
.cta-final .hero-actions{ opacity:1; animation:none; margin-top:36px; }

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--hairline);
  padding:34px 0; background:var(--void);
}
.foot{
  display:flex; justify-content:space-between; align-items:center;
  font-size:13px; color:var(--ink-faint); flex-wrap:wrap; gap:12px;
}
.foot a{ color:var(--ink-dim); margin-left:24px; }
.foot a:hover{ color:var(--ink); }

/* ---------- Scroll reveal ---------- */
.fx{ opacity:0; transform:translateY(28px); transition:opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }
.fx.in{ opacity:1; transform:none; }

/* ============================================================
   Content pages (case-study detail, legal, changelog, for-medtech)
   Reusable dark "prose" primitives.
   ============================================================ */
.doc{
  padding:150px 0 12vh;
}
.doc-hero{
  text-align:center; max-width:820px; margin:0 auto 8vh;
}
.doc-hero .kicker{ color:var(--ink-faint); justify-content:center; }
.doc-hero h1{
  font-size:clamp(34px, 5.5vw, 64px); line-height:1.05;
  letter-spacing:-.028em; font-weight:600;
}
.doc-hero .sub{
  margin:24px auto 0; max-width:640px;
  font-size:clamp(16px,1.9vw,20px); line-height:1.55; color:var(--ink-dim);
}
.doc-hero .meta{
  margin-top:22px; font-size:13px; color:var(--ink-faint);
}
.doc-body{
  max-width:760px; margin:0 auto;
}
.doc-body h2{
  font-size:clamp(22px,2.6vw,30px); font-weight:600; letter-spacing:-.02em;
  margin:56px 0 18px; padding-bottom:12px;
  border-bottom:1px solid var(--hairline);
}
.doc-body h3{
  font-size:18px; font-weight:600; margin:34px 0 12px; color:var(--ink);
}
.doc-body p, .doc-body li{
  font-size:16px; line-height:1.75; color:var(--ink-dim);
}
.doc-body p{ margin:0 0 16px; }
.doc-body ul, .doc-body ol{ margin:16px 0 16px 4px; padding-left:22px; }
.doc-body li{ margin-bottom:10px; }
.doc-body li::marker{ color:var(--pulse); }
.doc-body a{ color:var(--pulse); }
.doc-body a:hover{ text-decoration:underline; }
.doc-body strong, .doc-body b{ color:var(--ink); font-weight:600; }
.doc-callout{
  background:rgba(69,214,196,.07); border:1px solid rgba(69,214,196,.28);
  border-left:3px solid var(--pulse);
  border-radius:0 12px 12px 0; padding:20px 24px; margin:24px 0;
}
.doc-callout p{ margin:0; color:var(--ink); }
.doc-divider{ border:none; height:1px; background:var(--hairline); margin:48px 0; }

/* ============================================================
   Light page variant — used by the case-study pages (body class "cs-light").
   Redefines the theme tokens so all token-based content flips to a white,
   readable reading theme. The nav and footer stay dark (brand shell).
   ============================================================ */
body.cs-light{
  --ink:        #0C0F11;
  --ink-dim:    #4A525A;
  --ink-faint:  #8A9299;
  --void:       #FFFFFF;
  --void-soft:  #F2F5F5;
  --hairline:   rgba(12,15,17,.12);
  background:#FFFFFF;
}
/* Keep the fixed nav readable on its dark translucent bar */
body.cs-light nav .nav-links a:not(.nav-cta){ color:#A7AFB6; }
body.cs-light nav .nav-links a:not(.nav-cta):hover{ color:#FFFFFF; }
/* Keep the footer as a dark grounding band */
body.cs-light footer{ background:#060809; border-top-color:rgba(255,255,255,.12); }
body.cs-light footer .foot{ color:#6B7278; }
body.cs-light footer .foot a{ color:#A7AFB6; }
body.cs-light footer .foot a:hover{ color:#FFFFFF; }
/* Separate the (now white) final CTA from the body */
body.cs-light .cta-final{ border-top:1px solid var(--hairline); }

/* ---------- Responsive ---------- */
@media (max-width:820px){
  .nav-links a:not(.nav-cta){ display:none; }
  .cap{ grid-template-columns:1fr; gap:32px; padding:48px 0; }
  .aud-grid{ grid-template-columns:1fr; gap:64px; }
  .case-grid{ grid-template-columns:1fr; }
  .stat-grid{ grid-template-columns:1fr; gap:72px; }
  .trust-inner{ gap:32px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
  h1 .line > span{ transform:none; }
  .hero-sub,.hero-actions{ opacity:1; }
  .fx{ opacity:1; transform:none; }
  .marquee-track{ animation:none; flex-wrap:wrap; justify-content:center; width:auto; }
}