/* mitralValveAi — landing styles. Dark-clinical, sharp, lightweight. */
:root{
  --bg:#070b10; --bg2:#0a1018; --panel:rgba(255,255,255,.032); --panel2:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.14);
  --txt:#e7eef6; --muted:#90a0b3; --dim:#5d6b7d;
  --accent:#2ee6a6; --accent2:#5aa2ff; --red:#ff6b57; --blue:#5a9bff;
  --warn:#ffb454; --good:#2ee6a6;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --maxw:1160px; --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(46,230,166,.10), transparent 60%),
    radial-gradient(900px 560px at 8% 4%, rgba(90,162,255,.10), transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  background-attachment:fixed; color:var(--txt); font-family:var(--sans);
  font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative;padding:96px 0;border-top:1px solid rgba(255,255,255,.04)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:650}
h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
h3{font-size:19px;margin-bottom:8px;letter-spacing:-.01em}
.lead{font-size:clamp(16px,1.5vw,18.5px);color:#c4d0dd;max-width:62ch}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.05em;padding:3px 9px;border-radius:999px;
  border:1px solid var(--line2);color:var(--muted)}
.tag.built{color:var(--good);border-color:rgba(46,230,166,.4)}
.tag.prog{color:var(--warn);border-color:rgba(255,180,84,.4)}
.tag.vision{color:var(--accent2);border-color:rgba(90,162,255,.4)}

/* ---- nav ---- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(7,11,16,.86),rgba(7,11,16,.5));border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:680;letter-spacing:-.02em}
.brand .pulse{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(46,230,166,.6);
  animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,230,166,.5)}70%{box-shadow:0 0 0 9px rgba(46,230,166,0)}100%{box-shadow:0 0 0 0 rgba(46,230,166,0)}}
.brand b{color:var(--accent)}
.nav-links{display:flex;gap:22px;margin-left:auto;font-size:14px}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--txt)}
.nav-links a.active{color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;padding:11px 20px;border-radius:11px;
  border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .2s,background .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(180deg,#36f0ad,#16c98a);color:#04201a;box-shadow:0 8px 26px rgba(46,230,166,.28)}
.btn-primary:hover{box-shadow:0 10px 34px rgba(46,230,166,.42)}
.btn-ghost{border-color:var(--line2);color:var(--txt);background:var(--panel)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.nav .btn{padding:9px 16px}

/* ---- hero ---- */
.hero{padding:118px 0 64px;min-height:92vh;display:flex;align-items:center}
.hero .wrap{display:grid;grid-template-columns:1.04fr .96fr;gap:40px;align-items:center;width:100%}
.hero h1{font-size:clamp(34px,5vw,62px);margin:10px 0 18px}
.hero h1 .grad{background:linear-gradient(100deg,#2ee6a6,#5aa2ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.hero-note{font-size:13px;color:var(--dim);display:flex;align-items:center;gap:8px}
.hero-note .dot{width:6px;height:6px;border-radius:50%;background:var(--warn)}
.stage{position:relative;aspect-ratio:1/1;border-radius:20px;overflow:hidden;
  background:radial-gradient(120% 120% at 50% 18%,rgba(90,162,255,.10),transparent 60%);
  border:1px solid var(--line);box-shadow:inset 0 0 60px rgba(0,0,0,.5)}
.stage canvas{display:block;width:100%;height:100%}
.stage .poster{display:none;width:100%;height:100%;object-fit:contain}
.stage .loader{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:.08em;transition:opacity .5s;background:rgba(7,11,16,.4)}
.stage .loader.gone{opacity:0;pointer-events:none}
.spinner{width:34px;height:34px;border-radius:50%;border:2px solid rgba(255,255,255,.14);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stage .badge{position:absolute;left:14px;top:14px;display:flex;gap:7px;align-items:center;font-family:var(--mono);font-size:11px;
  color:var(--muted);background:rgba(7,11,16,.6);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.stage .badge .live{width:7px;height:7px;border-radius:50%;background:var(--red);animation:pulse 1.6s infinite}
.stage .statchip{position:absolute;right:14px;top:14px;font-family:var(--mono);font-size:11px;color:var(--muted);
  background:rgba(7,11,16,.6);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.stage .statchip b{color:var(--accent)}
.stage .legend{position:absolute;right:12px;bottom:12px;display:flex;flex-direction:column;gap:4px;font-size:11px;
  background:rgba(7,11,16,.55);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-family:var(--mono)}
.stage .legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:6px;vertical-align:-1px}

/* ---- metrics strip ---- */
.metrics{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;margin-top:8px}
.metric{background:var(--bg2);padding:18px 16px}
.metric .v{font-family:var(--mono);font-size:clamp(17px,1.9vw,22px);font-weight:650;color:var(--txt);letter-spacing:-.01em}
.metric .v .ar{color:var(--accent)}
.metric .l{font-size:11.5px;color:var(--muted);margin-top:5px;line-height:1.35}

/* ---- pipeline stepper ---- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.step{position:relative;padding:16px 14px;border:1px solid var(--line);border-radius:12px;background:var(--panel);
  transition:border-color .2s,transform .2s}
.step:hover{border-color:var(--accent);transform:translateY(-3px)}
.step .n{font-family:var(--mono);font-size:12px;color:var(--accent)}
.step h3{font-size:14.5px;margin:8px 0 4px}
.step p{font-size:12.5px;color:var(--muted);line-height:1.4}
.step .arrowx{position:absolute;right:-9px;top:50%;color:var(--dim);font-size:14px;transform:translateY(-50%);z-index:2}
.step:last-child .arrowx{display:none}

/* ---- generic two-col section ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .col-vis{order:-1}
.panel{border:1px solid var(--line);background:var(--panel);border-radius:var(--r);padding:22px}
.minilist{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.minilist li{display:flex;gap:10px;font-size:14.5px;color:#c4d0dd}
.minilist li::before{content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:9px;
  box-shadow:0 0 10px rgba(46,230,166,.6)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:5px 11px}
.chip b{color:var(--txt)}

/* ---- CT fan visual ---- */
.ctfan{position:relative;height:340px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
  border-radius:var(--r);background:linear-gradient(180deg,rgba(90,162,255,.05),transparent);overflow:hidden}
.ctfan .slab{position:absolute;width:150px;height:150px;border:1px solid rgba(90,162,255,.5);border-radius:8px;
  background:repeating-linear-gradient(135deg,rgba(90,162,255,.10) 0 6px,rgba(90,162,255,.02) 6px 12px);
  box-shadow:0 8px 30px rgba(0,0,0,.4);backdrop-filter:blur(1px)}
.ctfan .cube{position:absolute;width:120px;height:120px;border:1.5px solid var(--accent);border-radius:8px;
  box-shadow:0 0 40px rgba(46,230,166,.25),inset 0 0 30px rgba(46,230,166,.08)}
.ctfan .cube::after{content:"one shared frame";position:absolute;inset:auto 0 -22px;text-align:center;font-family:var(--mono);font-size:11px;color:var(--accent)}
.ctfan.in .slab{animation:fan .9s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes fan{to{opacity:.55}}
.ctfan .axis{position:absolute;bottom:14px;left:14px;font-family:var(--mono);font-size:11px;color:var(--muted)}

/* ---- LV curve ---- */
.lvbox{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:center}
.lvsvg{width:100%;height:auto}
.lvgrid{stroke:rgba(255,255,255,.07)}
.lvtick{fill:var(--dim);font-family:var(--mono);font-size:10px}
.lvline{fill:none;stroke:var(--accent);stroke-width:2.4;filter:drop-shadow(0 0 6px rgba(46,230,166,.5))}
.lvdot{fill:rgba(46,230,166,.55)}
.lvcursor{fill:#fff;stroke:var(--accent);stroke-width:2}
.lvstats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lvstat{border:1px solid var(--line);border-radius:11px;padding:13px 14px;background:var(--panel)}
.lvstat .v{font-family:var(--mono);font-size:22px;font-weight:650}
.lvstat .l{font-size:11.5px;color:var(--muted);margin-top:2px}

/* ---- filmstrips ---- */
.strips{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.strip{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#05080c}
.strip .cap{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;font-size:12px;color:var(--muted);
  border-bottom:1px solid var(--line);font-family:var(--mono)}
.strip img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;background:#05080c}
.flowctl{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.flowctl input[type=range]{flex:1;accent-color:var(--accent);min-width:160px}
#flowState{font-family:var(--mono);font-size:12.5px;padding:6px 12px;border-radius:999px;border:1px solid var(--line2)}
#flowState[data-phase=dia]{color:var(--accent);border-color:rgba(46,230,166,.4)}
#flowState[data-phase=sys]{color:var(--red);border-color:rgba(255,107,87,.4)}
.callout{margin-top:18px;border-left:3px solid var(--red);background:rgba(255,107,87,.06);padding:14px 18px;border-radius:0 10px 10px 0}
.callout b{font-family:var(--mono)}

/* ---- clip lab ---- */
.lab{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
.labctl{display:flex;flex-direction:column;gap:16px}
.sites{display:flex;gap:8px}
.siteBtn{flex:1;border:1px solid var(--line2);background:var(--panel);color:var(--muted);border-radius:10px;padding:11px 6px;
  cursor:pointer;font-family:var(--mono);font-size:13px;transition:.18s}
.siteBtn:hover{border-color:var(--accent2);color:var(--txt)}
.siteBtn.on{background:rgba(90,162,255,.14);border-color:var(--accent2);color:#fff}
.graspRow{display:flex;align-items:center;gap:12px}
.graspRow label{font-size:13px;color:var(--muted);white-space:nowrap}
.graspRow input{flex:1;accent-color:var(--accent2)}
#graspVal{font-family:var(--mono);font-weight:650;min-width:46px;text-align:right}
#orifice svg{width:100%;height:auto;background:radial-gradient(120% 120% at 50% 30%,rgba(90,162,255,.06),transparent);border-radius:12px}
.orifAnn{fill:rgba(255,255,255,.03);stroke:var(--line2);stroke-width:1.4}
.orifLobe{fill:rgba(46,230,166,.20);stroke:var(--accent);stroke-width:1.6}
.orifTag{fill:var(--dim);font-family:var(--mono);font-size:10px}
.clipGlyph rect{fill:#cdd6e0;stroke:#7c8a99;stroke-width:.6}
.orifCap{text-align:center;font-size:13px;color:var(--muted);margin-top:6px}
.orifCap b{color:var(--accent)}

.dash{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);padding:18px}
.barRow{display:grid;grid-template-columns:1.1fr 2fr 2fr auto;gap:10px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--line)}
.barRow:last-child{border-bottom:0}
.barK{font-size:12.5px;color:var(--muted)}
.barTrack{height:9px;border-radius:6px;background:rgba(255,255,255,.05);position:relative;overflow:hidden}
.barTrack span{position:absolute;inset:0 auto 0 0;border-radius:6px}
.barPre{background:rgba(255,255,255,.22)}
.barPost.good{background:linear-gradient(90deg,#16c98a,#2ee6a6)}
.barPost.warn{background:linear-gradient(90deg,#ff9b3d,#ffb454)}
.barVals{font-family:var(--mono);font-size:12px;display:flex;gap:6px;align-items:center;white-space:nowrap}
.barVals .pre{color:var(--dim)} .barVals .arrow{color:var(--dim)}
.barVals .post.good{color:var(--good)} .barVals .post.warn{color:var(--warn)}
.gaugeHead{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin:16px 0 8px}
.gaugeHead b{font-family:var(--mono)} .gaugeHead .good{color:var(--good)} .gaugeHead .warn{color:var(--warn)}
.gaugeTrack{position:relative;height:10px;border-radius:6px;
  background:linear-gradient(90deg,#16c98a 0%,#2ee6a6 50%,#ffb454 66%,#ff6b57 100%);opacity:.85}
.gaugeWatch{position:absolute;top:-4px;bottom:-4px;width:2px;background:#fff;opacity:.5}
.gaugePre{position:absolute;top:50%;width:11px;height:11px;border-radius:50%;background:#0a1018;border:2px solid rgba(255,255,255,.6);transform:translate(-50%,-50%)}
.gaugeNow{position:absolute;top:50%;width:15px;height:15px;border-radius:50%;transform:translate(-50%,-50%);border:2px solid #fff;box-shadow:0 0 12px rgba(0,0,0,.5)}
.gaugeNow.good{background:var(--good)} .gaugeNow.warn{background:var(--warn)}
.gaugeScale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--dim);margin-top:7px}
.gaugeScale .watchLbl{color:var(--muted)}
.siteRank{margin-top:16px;font-size:12.5px}
.rankHead,.rankRow{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:8px;padding:7px 8px;align-items:center}
.rankHead{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.rankRow{border-radius:8px;cursor:pointer;font-family:var(--mono)}
.rankRow:hover{background:var(--panel2)}
.rankRow.sel{background:rgba(90,162,255,.12);color:#fff}
.rankRow .warn{color:var(--warn)}

/* ---- evidence board ---- */
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bcol{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);padding:20px}
.bcol h3{display:flex;align-items:center;gap:9px}
.bcol ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:11px}
.bcol li{font-size:13.5px;color:#c4d0dd;padding-left:16px;position:relative}
.bcol li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--dim)}
.bcol.built li::before{background:var(--good)} .bcol.prog li::before{background:var(--warn)} .bcol.vision li::before{background:var(--accent2)}
.cites{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted)}
.cite{border:1px solid var(--line);border-radius:10px;padding:9px 13px;background:var(--panel)}
.cite b{color:var(--txt);font-family:var(--mono)}

/* ---- lead capture ---- */
.lead-sec{background:linear-gradient(180deg,transparent,rgba(46,230,166,.04))}
.leadgrid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:center}
.leadform{border:1px solid var(--line2);border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  padding:26px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;color:var(--muted)}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{background:rgba(0,0,0,.28);border:1px solid var(--line2);border-radius:10px;
  color:var(--txt);font-size:14.5px;font-family:var(--sans);padding:11px 13px;outline:none;transition:border-color .18s,box-shadow .18s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,230,166,.14)}
.field textarea{resize:vertical;min-height:72px}
.field select option{background:#0a1018}
.frm-meta{position:absolute;left:-9999px;top:auto;z-index:-9999;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);margin:4px 0 16px}
.consent input{margin-top:3px;accent-color:var(--accent)}
#leadSubmit{width:100%;justify-content:center;font-size:15.5px;padding:14px}
.leadStatus{font-size:13px;margin-top:12px;min-height:18px}
.leadStatus.ok{color:var(--good)} .leadStatus.err{color:var(--red)} .leadStatus.warn{color:var(--warn)}
.leadStatus a{color:var(--accent);text-decoration:underline}
.disclaimer{font-size:11.5px;color:var(--dim);margin-top:14px;line-height:1.5;border-top:1px solid var(--line);padding-top:12px}
.leadside .vlist{list-style:none;display:flex;flex-direction:column;gap:16px;margin-top:22px}
.leadside .vlist li{display:flex;gap:13px;align-items:flex-start}
.leadside .vlist .ic{flex:0 0 auto;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:16px;
  background:rgba(46,230,166,.12);border:1px solid rgba(46,230,166,.3)}
.leadside .vlist b{display:block;font-size:14.5px}
.leadside .vlist span{font-size:13px;color:var(--muted)}

/* ---- footer ---- */
footer{padding:46px 0 60px;border-top:1px solid var(--line);color:var(--dim);font-size:13px}
footer .ftop{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:22px}
footer .legal{font-size:11.5px;line-height:1.6;color:var(--dim);max-width:none;border-top:1px solid var(--line);padding-top:18px}

/* ===========================================================
   v4 — new narrative components
   =========================================================== */

/* ---- CT vs Echo compare ---- */
.cmp{margin-top:30px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel)}
.cmpHead,.cmpRow{display:grid;grid-template-columns:.92fr 1.1fr 1.1fr}
.cmpHead{font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.cmpHead>div{padding:14px 18px}
.cmpHead .echoH{color:var(--accent2)}
.cmpHead .twinH{color:var(--accent)}
.cmpHead .twinH::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:1px;box-shadow:0 0 8px rgba(46,230,166,.7)}
.cmpRow{border-bottom:1px solid var(--line)}
.cmpRow:last-child{border-bottom:0}
.cmpRow:hover .twin{background:rgba(46,230,166,.09)}
.cmpRow>div{padding:16px 18px;font-size:13.5px;line-height:1.45}
.cmpRow .dim{color:var(--txt);font-weight:600}
.cmpRow .echo{color:#a7b3c1;background:rgba(90,162,255,.045);border-left:1px solid var(--line)}
.cmpRow .twin{color:#d9eadf;background:rgba(46,230,166,.06);border-left:1px solid var(--line);transition:background .2s}
.cmpFoot{font-size:12px;color:var(--dim);margin-top:12px}

/* ---- operatable-twin umbrella ---- */
.umbrella{display:flex;align-items:center;gap:14px;margin:30px 0 8px}
.umbrella .lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.umbrella .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--line2),transparent)}
.opbadge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;color:var(--accent);
  border:1px solid rgba(46,230,166,.34);background:rgba(46,230,166,.06);border-radius:999px;padding:5px 12px}

/* ---- how it works · 3 pillars ---- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.pillar{border:1px solid var(--line);border-radius:var(--r);background:var(--panel);padding:24px;
  display:flex;flex-direction:column;gap:13px;transition:border-color .22s,transform .22s}
.pillar:hover{border-color:var(--line2);transform:translateY(-4px)}
.pillar .glyph{width:54px;height:54px;display:block}
.pillar .pnum{font-family:var(--mono);font-size:12px;color:var(--accent2)}
.pillar h3{font-size:17px}
.pillar p{font-size:13.5px;color:#c2cedb;line-height:1.55}
.pillar .ptag{margin-top:auto;font-family:var(--mono);font-size:11px;color:var(--muted);
  border:1px solid var(--line2);border-radius:999px;padding:5px 11px;align-self:flex-start}
.pillar.binder{border-color:rgba(46,230,166,.34);background:linear-gradient(180deg,rgba(46,230,166,.06),var(--panel))}
.pillar.binder .pnum,.pillar.binder .ptag{color:var(--accent)}
.pillar.binder .ptag{border-color:rgba(46,230,166,.4)}

/* ---- platform · app-window mockup ---- */
.appwin{margin-top:32px;border:1px solid var(--line2);border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,#0b121b,#070b10);box-shadow:0 34px 90px rgba(0,0,0,.55)}
.appbar{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.025)}
.appbar .dots{display:flex;gap:7px}
.appbar .dots i{width:11px;height:11px;border-radius:50%;background:var(--line2)}
.appbar .url{margin-left:8px;font-family:var(--mono);font-size:12px;color:var(--muted);
  background:rgba(0,0,0,.32);border:1px solid var(--line);border-radius:8px;padding:6px 14px}
.appbar .url b{color:var(--accent)}
.appbody{display:grid;grid-template-columns:.92fr 1.08fr;min-height:360px}
.appRail{border-right:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:6px}
.appStep{display:flex;gap:13px;align-items:flex-start;padding:13px;border-radius:11px;cursor:pointer;transition:background .18s}
.appStep:hover{background:var(--panel)}
.appStep.on{background:var(--panel2)}
.appStep .si{flex:0 0 auto;width:27px;height:27px;border-radius:8px;display:grid;place-items:center;
  font-family:var(--mono);font-size:12.5px;color:var(--accent);border:1px solid rgba(46,230,166,.32);background:rgba(46,230,166,.07)}
.appStep.on .si{background:linear-gradient(180deg,#36f0ad,#16c98a);color:#04201a;border-color:transparent}
.appStep b{display:block;font-size:14px;margin-bottom:2px}
.appStep span{font-size:12.5px;color:var(--muted);line-height:1.4}
.appReport{padding:22px;background:radial-gradient(120% 100% at 80% 0%,rgba(90,162,255,.06),transparent 60%)}
.appReport .rTitle{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.appReport .rPanel{border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.22);padding:18px}
.appReport .rHead{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.appReport .rHead b{font-size:14.5px}
.appReport .rPill{font-family:var(--mono);font-size:11px;color:var(--accent);border:1px solid rgba(46,230,166,.34);border-radius:999px;padding:3px 9px}
.rBar{margin:11px 0}
.rBar .rk{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:5px}
.rBar .rk .rv{font-family:var(--mono);color:var(--txt)}
.rBar .rk .rv .pre{color:var(--dim)}
.rBar .rk .rv .post{color:var(--good)}
.rTrack{height:8px;border-radius:5px;background:rgba(255,255,255,.05);position:relative;overflow:hidden}
.rTrack .rpre{position:absolute;inset:0 auto 0 0;border-radius:5px;background:rgba(255,255,255,.18)}
.rTrack .rpost{position:absolute;inset:0 auto 0 0;border-radius:5px;background:linear-gradient(90deg,#16c98a,#2ee6a6)}
.rChips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.rChips .rc{font-family:var(--mono);font-size:11px;color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:5px 11px}
.platClose{margin-top:20px;font-size:15px;color:#c4d0dd}
.platClose b{color:var(--accent)}

/* ---- primary CTA interrupt band ---- */
.cta-band{text-align:center;background:linear-gradient(180deg,rgba(46,230,166,.07),transparent 70%)}
.cta-band h2{margin-bottom:12px}
.cta-band .sub{color:var(--muted);max-width:54ch;margin:0 auto 24px;font-size:clamp(15px,1.4vw,17px)}
.cta-band .bigbtn{font-size:16px;padding:15px 30px}
.cta-band .keepreading{margin-top:26px;font-size:13px;color:var(--dim);display:flex;flex-direction:column;align-items:center;gap:6px}
.cta-band .keepreading a{color:var(--muted);border-bottom:1px dashed var(--line2);transition:color .2s}
.cta-band .keepreading a:hover{color:var(--txt)}
.cta-band .chev{color:var(--dim);animation:bob 1.9s ease-in-out infinite;font-size:18px;line-height:1}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}

/* ---- sticky mobile CTA ---- */
.mcta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
  background:linear-gradient(180deg,rgba(7,11,16,.55),rgba(7,11,16,.97));backdrop-filter:blur(14px);
  border-top:1px solid var(--line2);transform:translateY(130%);transition:transform .32s cubic-bezier(.2,.7,.2,1)}
.mcta.show{transform:none}
.mcta .btn{width:100%;justify-content:center;font-size:15.5px;padding:14px}
.mcta .mnote{text-align:center;font-size:10.5px;color:var(--dim);margin-top:6px;font-family:var(--mono);letter-spacing:.04em}

/* ============================================================
   v4.1 — light looping visuals (no WebGL, no heavy assets)
   ============================================================ */

/* ---- hero: real clip-placement loop (video) + metric pick synced to it ---- */
.cliploop{border:1px solid var(--line);border-radius:20px;overflow:hidden;padding:16px 18px 16px;
  background:radial-gradient(120% 120% at 50% 12%,rgba(90,162,255,.10),transparent 60%);box-shadow:inset 0 0 60px rgba(0,0,0,.5)}
.clipvid{display:block;width:100%;height:auto;max-height:340px;object-fit:contain;border-radius:12px;background:#070b10}
.clipcap{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:8px;font-family:var(--mono);font-size:11px;color:var(--muted)}
.clipcap .lv{width:7px;height:7px;border-radius:50%;background:var(--red);display:inline-block;animation:pulse 1.6s infinite}

.metricpick{margin-top:14px;border-top:1px solid var(--line);padding-top:15px;display:flex;flex-direction:column;gap:13px}
.metricpick .mhead{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.mrow{display:grid;grid-template-columns:128px 1fr 92px;gap:12px;align-items:center}
.mrow .mk{font-size:13px;color:var(--muted)}
.mtrack{height:8px;border-radius:5px;background:rgba(255,255,255,.06);overflow:hidden;position:relative}
.mfill{position:absolute;inset:0 auto 0 0;border-radius:5px;width:20%;transition:width .14s linear}
.mfill.leak{background:linear-gradient(90deg,#ff7a66,#ff6b57)}
.mfill.out{background:linear-gradient(90deg,#16c98a,#2ee6a6)}
.mfill.grad{background:linear-gradient(90deg,#ffb454,#ff9b3d)}
.marrow{font-family:var(--mono);font-size:11.5px;text-align:right;color:var(--dim)}
.marrow.good{color:var(--good)} .marrow.warn{color:var(--warn)}

/* ---- looping figures (chambers / xsec / flow webp loops) ---- */
.loopfig{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#05080c}
.loopfig .cap{display:flex;justify-content:space-between;align-items:center;padding:9px 13px;font-family:var(--mono);
  font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}
.loopfig .cap .lv{width:7px;height:7px;border-radius:50%;background:var(--red);display:inline-block;margin-right:7px;vertical-align:0;animation:pulse 1.6s infinite}
.loopfig img{display:block;width:100%;height:auto;background:#05080c}
.loopfig.heart{background:radial-gradient(120% 120% at 50% 20%,rgba(90,162,255,.08),transparent 60%)}
.loopfig.heart img{max-width:440px;margin:0 auto}
.flowsplit{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}

/* ---- simple step flow (platform) ---- */
.stepflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.sfstep{position:relative;border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px 18px;transition:border-color .2s,transform .2s}
.sfstep:hover{border-color:var(--accent);transform:translateY(-3px)}
.sfstep .sfn{font-family:var(--mono);font-size:12px;color:var(--accent)}
.sfstep .sfi{width:34px;height:34px;margin:12px 0;display:block}
.sfstep h3{font-size:15.5px;margin-bottom:6px}
.sfstep p{font-size:13px;color:var(--muted);line-height:1.5}
.sfstep .sfx{position:absolute;right:-11px;top:50%;transform:translateY(-50%);color:var(--dim);font-size:16px;z-index:2}
.sfstep:last-child .sfx{display:none}
.platnote{margin-top:22px;font-size:15px;color:#c4d0dd}
.platnote b{color:var(--accent)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---- containment: keep everything inside the screen width ---- */
html{overflow-x:hidden;max-width:100%}
.leadgrid>*,.split>*,.hero .wrap>*,.frow>*,.lab>*,.lvbox>*,.cmp>*,.pillars>*,.stepflow>*,.flowsplit>*{min-width:0}
.field input,.field select,.field textarea{width:100%;max-width:100%;min-width:0}
img,video{max-width:100%;height:auto}
.lead,.cmpRow>div,.pillar p,.sfstep p,.leadside .vlist span,.callout{overflow-wrap:break-word}

/* ---- footer byline: MitralTwin + PulsionDev ---- */
.byline{display:inline-flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;transition:color .2s}
.byline:hover{color:var(--txt)}
.byline .by{font-size:12px;color:var(--dim)}
.byline .pmark{width:24px;height:24px;display:block;color:var(--txt);flex:0 0 auto}
.byline b{font-weight:800;letter-spacing:.09em;font-size:13px;color:var(--txt)}

/* ---- responsive ---- */
@media(max-width:960px){
  .hero .wrap,.split,.lab,.leadgrid,.lvbox{grid-template-columns:1fr}
  .split.rev .col-vis{order:0}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)} .step .arrowx{display:none}
  .board{grid-template-columns:1fr}
  .hero{min-height:auto;padding-top:96px}
  .stage{max-width:480px;margin:0 auto;width:100%}
  .pillars{grid-template-columns:1fr}
  .appbody{grid-template-columns:1fr}
  .appRail{border-right:0;border-bottom:1px solid var(--line)}
  .nav-links{display:none}      /* avoid wrapping the links on tablet widths */
  .stepflow{grid-template-columns:repeat(2,1fr)} .sfstep .sfx{display:none}
}
@media(max-width:760px){
  .mcta{display:block}
  body{padding-bottom:78px}        /* room for the sticky bar */
}
@media(max-width:600px){
  .nav-links{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .strips,.frow{grid-template-columns:1fr}
  section{padding:64px 0}
  .barRow{grid-template-columns:1fr;gap:4px}
  /* keep the hero badge + stat chip from colliding on narrow stages */
  .stage .statchip{top:auto;bottom:12px;right:auto;left:12px;font-size:10px}
  .stage .legend{display:none}
  .flowsplit{grid-template-columns:1fr}
  .stepflow{grid-template-columns:1fr}
  .mrow{grid-template-columns:104px 1fr 76px}
  /* compare table -> stacked cards */
  .cmpHead{display:none}
  .cmpRow{grid-template-columns:1fr;border-bottom:8px solid var(--bg)}
  .cmpRow>div{border-left:0!important;padding:13px 16px}
  .cmpRow .dim{padding-bottom:4px;font-size:14px}
  .cmpRow .echo::before{content:"Echo today · ";color:var(--accent2);font-family:var(--mono);font-size:11px}
  .cmpRow .twin::before{content:"CT digital twin · ";color:var(--accent);font-family:var(--mono);font-size:11px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important}.reveal{opacity:1;transform:none;transition:none}}