/* ============================================================
   TruVue site system
   Direction: "the instrument panel" - the site is designed like
   the imaging it sells. Dark console chrome and imaging sections;
   calm paper sections for the clinical argument.
   ============================================================ */

/* ---------- Fonts (self-hosted) ---------- */
@font-face{font-family:'Archivo';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/archivo-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Archivo';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/archivo-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Archivo';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/archivo-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/instrument-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/instrument-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/instrument-sans-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2')}

/* ---------- Tokens ---------- */
:root{
  /* color */
  --console:#06141D;        /* deep imaging dark */
  --console-2:#0B1E2A;      /* elevated surface  */
  --console-3:#11293A;      /* higher surface    */
  --line-d:rgba(158,197,216,.16);
  --paper:#F5F8F9;
  --white:#FFFFFF;
  --ink:#0D1B24;
  --body:#2A3B46;
  --muted:#51636F;
  --line:#DDE6EA;
  --echo:#26C9DF;           /* accent on dark */
  --echo-soft:#8FDEEC;
  --echo-deep:#0A7C92;      /* accessible accent on light */
  --wire:#E9B44C;           /* guidewire gold: graphics only */
  --text-on-dark:#BCCDD7;
  --head-on-dark:#F2F7FA;

  /* type */
  --display:'Archivo',ui-sans-serif,system-ui,sans-serif;
  --sans:'Instrument Sans',ui-sans-serif,system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,monospace;

  /* rhythm */
  --max:1140px;
  --pad-x:24px;
  --section:clamp(84px,9vw,124px);
  --head-gap:clamp(40px,5vw,56px);   /* section header block to content */
  --r-s:6px; --r-m:10px; --r-l:14px;

  /* motion */
  --fast:150ms; --base:260ms;
  --out:cubic-bezier(.2,.7,.3,1);
}

/* ---------- Reset-ish ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;line-height:1.6;
  color:var(--body);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%}
figure,blockquote{margin:0}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}

::selection{background:rgba(38,201,223,.28)}

/* Focus: designed, brand-owned */
:focus{outline:none}
:focus-visible{outline:2px solid var(--echo-deep);outline-offset:3px;border-radius:4px}
.on-dark :focus-visible, .nav :focus-visible, .footer :focus-visible{outline-color:var(--echo)}

/* ---------- Layout primitives ---------- */
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--pad-x)}
section{width:100%}
.section{padding-block:var(--section)}
.section.on-paper{background:var(--paper)}
.section.on-dark{background:var(--console);color:var(--text-on-dark)}

/* section header block: one recurring pattern */
.sec-head{margin-bottom:var(--head-gap)}
.sec-head h2{text-wrap:pretty}
.sec-head .lede{max-width:75ch}
.sec-head.center{margin-inline:auto;text-align:center}

/* ---------- Type ---------- */
h1,h2,h3{font-family:var(--display);color:var(--ink);margin:0;text-wrap:balance}
.on-dark h1,.on-dark h2,.on-dark h3{color:var(--head-on-dark)}
h1{font-size:clamp(42px,6.4vw,74px);line-height:1.02;letter-spacing:-.035em;font-weight:700}
h2{font-size:clamp(30px,3.6vw,44px);line-height:1.08;letter-spacing:-.028em;font-weight:700;margin-bottom:18px}
h3{font-size:21px;line-height:1.25;letter-spacing:-.012em;font-weight:600;margin-bottom:10px}
.lede{font-size:clamp(18px,1.6vw,20px);line-height:1.55;color:var(--muted)}
.on-dark .lede{color:var(--text-on-dark)}

.kicker{
  display:flex;align-items:center;gap:10px;
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.01em;
  color:var(--echo-deep);margin-bottom:14px;
}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:#E9B44C;flex:none}
.on-dark .kicker{color:var(--echo)}
.sec-head.center .kicker{justify-content:center}

/* diegetic console labels (instrument chrome only) */
.hud{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--echo-soft)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding-inline:26px;border-radius:999px;
  font-family:var(--sans);font-size:15.5px;font-weight:600;letter-spacing:.002em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--fast) var(--out),color var(--fast) var(--out),
             border-color var(--fast) var(--out),transform var(--fast) var(--out),
             box-shadow var(--fast) var(--out);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--echo);color:var(--console)}
.btn-primary:hover{background:#3FD6EA;box-shadow:0 6px 18px rgba(38,201,223,.25)}
.btn-primary.deep{background:var(--ink);color:#fff}
.btn-primary.deep:hover{background:#173042;box-shadow:0 6px 18px rgba(13,27,36,.18)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);background:rgba(13,27,36,.04)}
.on-dark .btn-ghost,.btn-ghost.on-dark{border-color:rgba(158,197,216,.35);color:var(--head-on-dark)}
.on-dark .btn-ghost:hover,.btn-ghost.on-dark:hover{border-color:var(--echo);color:#fff;background:rgba(38,201,223,.08)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* text links inside copy */
.tlink{color:var(--echo-deep);font-weight:600;background-image:linear-gradient(currentColor,currentColor);background-size:0% 1.5px;background-repeat:no-repeat;background-position:0 100%;transition:background-size var(--base) var(--out)}
.tlink:hover{background-size:100% 1.5px}
.on-dark .tlink{color:var(--echo)}

/* ---------- Nav (console chrome, identical on every page) ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(6,20,29,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-d);
  color:var(--head-on-dark);
}
.nav-in{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.02em;color:#fff}
.brand svg{width:32px;height:32px;flex:none}
.navlinks{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:500}
.navlinks a{position:relative;padding:6px 0;color:var(--text-on-dark);transition:color var(--fast) var(--out)}
.navlinks a:hover{color:#fff}
.navlinks a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--echo);border-radius:1px;transform:scaleX(0);transform-origin:left;transition:transform var(--base) var(--out)}
.navlinks a:hover::after{transform:scaleX(1)}
.navlinks a[aria-current="page"]{color:#fff}
.navlinks a[aria-current="page"]::after{transform:scaleX(1)}
.navlinks .btn{height:42px;padding-inline:22px;margin-left:6px}
.navlinks a.btn-primary{color:var(--console)}
.navlinks a.btn-primary::after{display:none}
.navlinks a.btn-primary:hover{color:var(--console)}

/* mobile menu */
.menu-btn{display:none;background:none;border:1px solid var(--line-d);border-radius:999px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;color:#fff}
.menu-btn svg{width:22px;height:22px}
.menu-btn .x{display:none}
.nav.open .menu-btn .bars{display:none}
.nav.open .menu-btn .x{display:block}
.mobile-panel{display:none}
@media (max-width:880px){
  .navlinks{display:none}
  .menu-btn{display:inline-flex}
  .mobile-panel{display:none;border-top:1px solid var(--line-d);background:var(--console)}
  .nav.open .mobile-panel{display:block}
  .mobile-panel a{display:block;padding:16px var(--pad-x);font-size:17px;font-weight:500;color:var(--text-on-dark);border-bottom:1px solid var(--line-d)}
  .mobile-panel a:hover{color:#fff}
  .mobile-panel a[aria-current="page"]{color:#fff;box-shadow:inset 3px 0 0 var(--echo)}
  .mobile-panel .btn{margin:16px var(--pad-x) 20px;display:flex}
  .mobile-panel a.btn-primary{color:var(--console);border-bottom:none}
  .nav.open{background:var(--console)}
}

/* ---------- Hero (home) ---------- */
.hero{background:var(--console);color:var(--text-on-dark);position:relative;overflow:hidden}
.hero::before{ /* faint polar grid ambience */
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 46%, rgba(38,201,223,.07), transparent 40%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(40px,5vw,72px);align-items:center;padding-block:clamp(72px,8vw,110px)}
@media (min-width:961px){
  .hero-grid>div:first-child{grid-column:1;grid-row:1}
  .hero-grid>.scanwrap{grid-column:2;grid-row:1}
}
.hero .lede{max-width:560px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-cred{margin-top:42px;padding-top:22px;border-top:1px solid var(--line-d);font-size:14.5px;color:#8AA2AF;max-width:560px}
.hero-cred strong{color:var(--text-on-dark);font-weight:600}

.scanwrap{position:relative;display:flex;justify-content:center}
.scan{width:min(100%,540px);height:auto}

@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;padding-block:64px}
  .scanwrap{order:-1}
  .scan{width:min(78vw,380px)}
  .hero::before{display:none}
}

/* scan sweep animation */
.sweep{transform-origin:280px 280px;animation:sweep 9s linear infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
.pulse{animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.85}50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sweep,.pulse{animation:none}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* one-time hero entrance */
@media (prefers-reduced-motion:no-preference){
  .rise{opacity:0;transform:translateY(14px);animation:rise .7s var(--out) forwards}
  .rise.d1{animation-delay:.06s}.rise.d2{animation-delay:.14s}.rise.d3{animation-delay:.22s}.rise.d4{animation-delay:.3s}
  @keyframes rise{to{opacity:1;transform:none}}
}

/* ---------- Split layouts ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,72px);align-items:center}
.split .sec-head{margin-bottom:0}
@media (max-width:880px){.split{grid-template-columns:1fr}}

/* three-up lists: hairline discipline, no card-kit */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,3.4vw,44px)}
.trio > div{border-top:2px solid var(--ink);padding-top:22px}
.on-dark .trio > div{border-top-color:rgba(158,197,216,.35)}
.trio .glyph{width:30px;height:30px;margin-bottom:16px;color:var(--echo-deep)}
.on-dark .trio .glyph{color:var(--echo)}
.trio p{color:var(--muted);font-size:16px}
.on-dark .trio p{color:var(--text-on-dark)}
@media (max-width:880px){.trio{grid-template-columns:1fr;gap:30px}}

/* staged sequence (SEE / AIM / CROSS): a real sequence, so stage marks are earned */
.stages{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,3.4vw,44px)}
.stage{background:var(--console-2);border:1px solid var(--line-d);border-radius:var(--r-m);padding:28px 26px 30px;position:relative;transition:border-color var(--fast) var(--out),transform var(--base) var(--out)}
.stage:hover{border-color:rgba(38,201,223,.45);transform:translateY(-3px)}
.stage .mini{width:128px;height:128px;margin:6px auto 20px}
.stage h3{display:flex;align-items:baseline;gap:10px;color:#fff}
.stage h3 .n{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--echo);letter-spacing:.06em}
.stage p{color:var(--text-on-dark);font-size:16px}
@media (max-width:880px){.stages{grid-template-columns:1fr}}

/* ---------- Figures / diagrams ---------- */
.fig-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(22px,3vw,34px)}
.fig-panel figcaption{margin-top:16px;font-size:14px;color:var(--muted)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare .cell{border:1px solid var(--line);border-radius:var(--r-m);padding:18px;background:var(--paper)}
.compare .cell .cap{font-size:13.5px;font-weight:600;color:var(--ink);margin-top:14px}
.compare .cell .sub{font-size:13px;color:var(--muted);margin-top:2px}
@media (max-width:520px){.compare{grid-template-columns:1fr}}

/* ---------- Film theater ---------- */
.films{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,3vw,40px)}
.film{background:var(--console-2);border:1px solid var(--line-d);border-radius:var(--r-m);overflow:hidden}
.film-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line-d)}
.film-bar .dot{width:8px;height:8px;border-radius:50%;background:var(--echo);box-shadow:0 0 10px rgba(38,201,223,.8)}
.film video{width:100%;aspect-ratio:16/9;object-fit:contain;background:#000}
.film-cap{padding:16px 18px 18px;font-size:15px;color:var(--text-on-dark)}
.film-cap strong{color:#fff;font-weight:600;display:block;margin-bottom:4px;font-family:var(--display);letter-spacing:-.01em;font-size:16.5px}
.compliance{margin-top:26px;font-size:13.5px;color:#7E97A4}
@media (max-width:880px){.films{grid-template-columns:1fr}}



/* ultrasound ripples + figure notes */
@keyframes ping{0%{transform:scale(.35);opacity:.45}70%{opacity:.10}100%{transform:scale(4.8);opacity:0}}
.scan .ping{transform-origin:160px 211px;transform-box:view-box;animation:ping 6.5s cubic-bezier(.2,.6,.4,1) infinite;opacity:0}
.scan .ping.p2{animation-delay:2.16s}
.scan .ping.p3{animation-delay:4.33s}
@media (prefers-reduced-motion:reduce){.scan .ping{animation:none;opacity:0}}
.fig-note{margin-top:12px;font-size:12.5px;opacity:.55;text-align:center;width:100%;flex-basis:100%}
.scanwrap{flex-wrap:wrap}
.seq-stagebox{flex-wrap:wrap}
.seq-stagebox .fig-note{width:100%;flex-basis:100%}
@media (max-width:880px){.seq-stagebox .fig-note{display:none}}

/* ---------- Scroll-driven concept sequence ---------- */
.seq{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,5vw,80px);align-items:start}
.seq-steps{grid-column:1;grid-row:1}
.seq-stagebox{grid-column:2;grid-row:1}
.seq-stagebox{position:sticky;top:calc(74px + 6vh);align-self:start;display:flex;justify-content:center}
.seq-stagebox .scan{width:min(100%,520px)}
.seq-steps{display:flex;flex-direction:column}
.seq-step{min-height:56vh;display:flex;flex-direction:column;justify-content:center;
  padding-block:8vh;border-top:1px solid var(--line-d);
  opacity:.38;transition:opacity .45s var(--out)}
.seq-step:first-child{border-top:none}
.seq-step.is-active{opacity:1}
.seq-step .n{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--echo);letter-spacing:.06em;display:block;margin-bottom:12px}
.seq-step h3{font-size:clamp(24px,2.4vw,30px);color:#fff;margin-bottom:10px}
.seq-step p{color:var(--text-on-dark);font-size:17px;max-width:400px}
@media (max-width:880px){
  .seq{display:block}
  .seq-stagebox{position:sticky;top:74px;z-index:2;background:linear-gradient(var(--console) 82%,transparent);padding-block:12px 26px}
  .seq-stagebox .scan{width:min(64vw,320px)}
  .seq-step{min-height:46vh;padding-block:6vh}
}

/* stage states on the SVG (default markup state: cross = complete picture, no-JS safe) */
.seqscan .seq-lumen,.seqscan .seq-aim,.seqscan .seq-wire line,.seqscan .seq-dot,.seqscan .seq-port,.seqscan .seq-hud{
  transition:opacity .55s var(--out),transform .8s var(--out),stroke-dashoffset .9s var(--out)}
.seqscan .seq-port{transform-origin:160px 211px;transform-box:view-box}
.seqscan .seq-wire line{stroke-dasharray:130;stroke-dashoffset:0}
.seq[data-stage="see"] .seq-aim{opacity:0}
.seq[data-stage="see"] .seq-wire line{stroke-dashoffset:130;opacity:0}
.seq[data-stage="see"] .seq-dot{opacity:0}
.seq:not([data-stage="cross"]) .seq-dot{animation:none;opacity:0}
.seq[data-stage="see"] .seq-port{transform:rotate(-115deg)}
.seq[data-stage="aim"] .seq-lumen{opacity:1}
.seq[data-stage="aim"] .seq-aim{opacity:1}
.seq[data-stage="aim"] .seq-wire line{stroke-dashoffset:130;opacity:0}
.seq[data-stage="aim"] .seq-dot{opacity:0}
.seq[data-stage="cross"] .seq-lumen{opacity:1}
.seq[data-stage="cross"] .seq-aim{opacity:0}
.seq[data-stage="cross"] .seq-wire line{stroke-dashoffset:0}
.seq[data-stage="cross"] .seq-dot{opacity:1}
.seq .seq-hud{opacity:0}
.seq[data-stage="see"] .seq-hud-see{opacity:1}
.seq[data-stage="see"] .anno-ring{animation:ants 2.2s linear infinite}
@keyframes ants{to{stroke-dashoffset:-24}}
@media (prefers-reduced-motion:reduce){.seq[data-stage="see"] .anno-ring{animation:none}}
.seq[data-stage="aim"] .seq-hud-aim{opacity:1}
.seq[data-stage="cross"] .seq-hud-cross{opacity:1}

/* ---------- Film previews ---------- */
.film-shell{position:relative;background:#000}
.film-shell video{width:100%;aspect-ratio:16/9;object-fit:contain;background:#000}
.film-preview{position:absolute;inset:0}
.film-playbtn{
  position:absolute;left:50%;bottom:18px;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:9px;height:46px;padding-inline:22px;
  border-radius:999px;border:1px solid rgba(255,255,255,.28);cursor:pointer;
  background:rgba(6,20,29,.62);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:#fff;font-family:var(--sans);font-size:15px;font-weight:600;white-space:nowrap;
  transition:background var(--fast) var(--out),border-color var(--fast) var(--out),transform var(--fast) var(--out)}
.film-playbtn:hover{background:rgba(38,201,223,.22);border-color:var(--echo)}
.film-playbtn:active{transform:translateX(-50%) translateY(1px)}
.film-playbtn svg{width:13px;height:13px}
.film-playbtn .len{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--echo-soft);letter-spacing:.04em}

/* ---------- Feature bullets (platform) ---------- */
.bullets{display:grid;gap:20px;margin-top:28px}
.bullet{display:flex;gap:16px;align-items:flex-start}
.bullet .tick{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--echo-deep);color:var(--echo-deep);display:flex;align-items:center;justify-content:center;margin-top:2px}
.bullet .tick svg{width:13px;height:13px}
.bullet strong{display:block;color:var(--ink);font-weight:600;font-family:var(--display);letter-spacing:-.01em;margin-bottom:2px}
.bullet p{font-size:15.5px;color:var(--muted);margin:0}

/* quote */
.quote{border-left:3px solid var(--echo-deep);padding-left:26px;margin:0}
.quote p{font-family:var(--display);font-weight:500;font-size:clamp(20px,2.2vw,25px);line-height:1.4;letter-spacing:-.015em;color:var(--ink)}
.quote footer{margin-top:16px;font-size:15px;color:var(--muted)}
.quote footer strong{color:var(--ink);font-weight:600}

/* ---------- CTA panel (light band, console card inside) ---------- */
.cta-panel{
  background:var(--console);color:var(--text-on-dark);
  border-radius:var(--r-l);padding:clamp(40px,5.5vw,64px);
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-panel::after{content:"";position:absolute;right:-90px;top:50%;transform:translateY(-50%);width:340px;height:340px;border-radius:50%;border:1px solid rgba(38,201,223,.25);box-shadow:0 0 0 60px rgba(38,201,223,.05),0 0 0 130px rgba(38,201,223,.03);pointer-events:none}
.cta-panel h2{color:#fff;margin-bottom:10px}
.cta-panel p{color:var(--text-on-dark);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
@media (max-width:880px){.cta-panel{grid-template-columns:1fr}.cta-panel::after{display:none}}

/* ---------- Page heroes (interior) ---------- */
.pagehero{background:var(--console);color:var(--text-on-dark);position:relative;overflow:hidden}
.pagehero .wrap{padding-block:clamp(64px,7vw,96px);position:relative}
.pagehero h1{max-width:820px;font-size:clamp(36px,4.8vw,58px)}
.pagehero .lede{max-width:640px;margin-top:18px}
.pagehero::before{content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border-radius:50%;border:1px solid rgba(38,201,223,.18);box-shadow:0 0 0 70px rgba(38,201,223,.045),0 0 0 150px rgba(38,201,223,.03);pointer-events:none}

/* ---------- Steps (technology architecture) ---------- */
.steps{counter-reset:step;display:grid;gap:0;margin-top:8px}
.step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step .sn{font-family:var(--mono);font-size:13px;font-weight:500;color:var(--echo-deep);padding-top:4px}
.step strong{display:block;font-family:var(--display);font-weight:600;color:var(--ink);letter-spacing:-.01em;margin-bottom:3px}
.step p{margin:0;font-size:15.5px;color:var(--muted)}

/* app panels */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(22px,2.6vw,32px)}
.app{border:1px solid var(--line);border-radius:var(--r-m);padding:26px;background:var(--white);transition:border-color var(--fast) var(--out),transform var(--base) var(--out),box-shadow var(--base) var(--out)}
.app:hover{border-color:var(--echo-deep);transform:translateY(-3px);box-shadow:0 14px 34px rgba(13,27,36,.08)}
.app .glyph{width:30px;height:30px;color:var(--echo-deep);margin-bottom:16px}
.app p{font-size:15.5px;color:var(--muted);margin:0}
@media (max-width:880px){.apps{grid-template-columns:1fr}}

/* IP band */
.ip{background:var(--console);color:var(--text-on-dark)}
.ip .fine{font-size:13.5px;color:#7E97A4;margin-top:18px}
.patent-chip{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-d);border-radius:999px;padding:10px 18px;font-family:var(--mono);font-size:13.5px;color:var(--echo-soft);margin-top:22px}
.patent-chip svg{width:16px;height:16px;color:var(--echo)}

/* ---------- Leadership ---------- */
.people{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,36px)}
.person{border:1px solid var(--line);border-radius:var(--r-m);background:var(--white);padding:30px}
.person .role{font-size:13.5px;font-weight:600;color:var(--echo-deep);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.person .role::before{content:"";width:7px;height:7px;border-radius:50%;background:#E9B44C;flex:none}
.person h3{margin-bottom:8px}
.person p{font-size:15.5px;color:var(--muted);margin:0}
@media (max-width:760px){.people{grid-template-columns:1fr}}

/* ---------- Contact form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,5vw,72px);align-items:start}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr}}
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--r-l);padding:clamp(24px,3vw,36px);display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .full{grid-column:1/-1}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.input,select.input,textarea.input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-s);
  padding:0 14px;font-family:var(--sans);font-size:15.5px;color:var(--ink);background:var(--paper);
  transition:border-color var(--fast) var(--out),background var(--fast) var(--out),box-shadow var(--fast) var(--out);
}
textarea.input{height:auto;min-height:130px;padding:12px 14px;resize:vertical}
.input:hover{border-color:#B9C8CF}
.input:focus{outline:none;border-color:var(--echo-deep);background:var(--white);box-shadow:0 0 0 3px rgba(10,124,146,.14)}
.input:disabled{opacity:.5;cursor:not-allowed}
.input::placeholder{color:#93A5AF}
.form-note{grid-column:1/-1;font-size:14px;color:var(--muted);margin:0}
.form-note.ok{color:var(--echo-deep);font-weight:600}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* ---------- Footer ---------- */
.footer{background:var(--console);color:var(--text-on-dark);border-top:1px solid var(--line-d)}
.footer .wrap{padding-block:64px 40px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer .brand{margin-bottom:16px}
.footer p{font-size:15px;color:#8AA2AF}
.footer h4{font-family:var(--display);font-size:14.5px;font-weight:600;color:#fff;margin:0 0 14px;letter-spacing:.01em}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:15px}
.footer ul a{color:var(--text-on-dark);transition:color var(--fast) var(--out)}
.footer ul a:hover{color:var(--echo)}
.foot-legal{margin-top:48px;padding-top:24px;border-top:1px solid var(--line-d);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13.5px;color:#7E97A4}
.foot-legal .notice{max-width:640px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr;gap:32px}}

/* ---------- 404 ---------- */
.notfound{min-height:calc(100vh - 74px);display:flex;align-items:center;background:var(--console);color:var(--text-on-dark)}
.notfound .wrap{padding-block:80px;display:grid;grid-template-columns:1fr auto;gap:56px;align-items:center}
@media (max-width:820px){.notfound .wrap{grid-template-columns:1fr}}

@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
}

/* ---------- Utilities ---------- */
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.skip{position:absolute;left:-9999px;top:0;background:var(--echo);color:var(--console);padding:12px 18px;font-weight:600;border-radius:0 0 var(--r-s) 0;z-index:100}
.skip:focus{left:0}

[data-nav-section],#top{scroll-margin-top:84px}

/* ---------- Brand images ---------- */
.brand-lockup{height:44px;width:auto;display:block}
.brand-stack{width:150px;height:auto;display:block}
@media (max-width:520px){.brand-lockup{height:36px}}

/* ---------- Team photos + bio modals ---------- */
.people{grid-template-columns:repeat(3,1fr)}
@media (max-width:960px){.people{grid-template-columns:1fr}}
.person-photo{width:118px;height:118px;border-radius:50%;object-fit:cover;margin-bottom:18px;border:1px solid rgba(158,197,216,.25)}
.person{display:flex;flex-direction:column;align-items:flex-start}
.person p{flex:1}
.bio-open{margin-top:16px;background:none;border:none;padding:0;cursor:pointer;font-family:var(--sans);font-size:15px;font-weight:600;color:var(--echo-deep);border-bottom:1px solid rgba(38,201,223,.4)}
.bio-open:hover{border-bottom-color:currentColor}
.bio-modal{border:1px solid rgba(158,197,216,.2);border-radius:16px;padding:0;background:#0B1E2A;color:#C7D5DC;
  width:min(660px,calc(100vw - 40px));box-shadow:0 30px 80px rgba(2,8,12,.5)}
.bio-modal::backdrop{background:rgba(4,12,18,.66);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.modal-head{display:flex;gap:22px;align-items:center;padding:30px 34px 20px}
.modal-head img{width:116px;height:116px;border-radius:50%;object-fit:cover;flex:none;border:1px solid rgba(158,197,216,.25)}
.modal-head h3{font-family:var(--display);font-weight:700;font-size:23px;color:#fff;margin:0 0 6px;line-height:1.2}
.modal-head .role{font-family:var(--mono);font-size:13px;letter-spacing:.05em;color:#26C9DF}
.modal-body{padding:6px 34px 32px;max-height:56vh;overflow:auto;overscroll-behavior:contain}
.modal-body p{font-size:15.5px;line-height:1.7;color:#AFC0C9;margin:0 0 1em}
.modal-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:999px;border:1px solid rgba(158,197,216,.25);
  background:rgba(6,20,29,.6);color:#C7D5DC;cursor:pointer;display:flex;align-items:center;justify-content:center}
.modal-close svg{width:16px;height:16px}
.modal-close:hover{border-color:#26C9DF;color:#26C9DF}
@media (max-width:560px){.modal-head{flex-direction:row;padding:24px 22px 14px}.modal-head img{width:84px;height:84px}.modal-body{padding:4px 22px 26px}}

/* the three, stated ---------- */
.credo{font-family:var(--display);font-weight:700;font-size:clamp(19px,1.9vw,24px);letter-spacing:-.01em;color:var(--echo-deep);margin-top:14px}

/* real angio cell */
.cell-img{width:100%;height:auto;border-radius:10px;display:block;border:1px solid rgba(13,27,36,.14)}
.fig-note-row{margin-top:14px;font-size:12.5px;opacity:.6;line-height:1.5}
.compare .cell{display:flex;flex-direction:column}
.compare .cell svg,.compare .cell .cell-img{aspect-ratio:1/1;width:100%;height:auto;display:block;margin-bottom:14px}

/* film cards: poster + preview overlay; films open in a modal */
.film-shell{position:relative;aspect-ratio:16/9;overflow:hidden}
.film-poster{display:block;width:100%;height:100%;object-fit:cover}
.film-preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
a.film-playbtn{text-decoration:none}
.film-modal{border:1px solid rgba(158,197,216,.2);border-radius:16px;padding:0;background:#06141D;
  width:min(960px,calc(100vw - 32px));box-shadow:0 30px 80px rgba(2,8,12,.6)}
.film-modal::backdrop{background:rgba(4,12,18,.72);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}
.film-modal video{display:block;width:100%;height:auto;border-radius:16px 16px 0 0;background:#000}
.film-modal-cap{font-family:var(--sans);font-size:15px;font-weight:600;color:#E6EEF2;padding:14px 18px}
.film-modal .modal-close{z-index:2}

/* ---------- Advisory board ---------- */
.advisors{margin-top:var(--head-gap)}
.adv-head{font-family:var(--display);font-weight:700;font-size:clamp(19px,1.8vw,23px);color:var(--ink);margin:0 0 22px}
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px}
@media (max-width:760px){.adv-grid{grid-template-columns:1fr}}
.advisor{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border:1px solid var(--line);border-radius:12px;background:#fff}
.adv-name{font-weight:600;font-size:16.5px;color:var(--ink)}
.adv-title{font-size:14.5px;color:var(--muted);margin-top:3px}
.adv-link{flex:none;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--echo-deep);border:1px solid var(--line);transition:color .2s,border-color .2s}
.adv-link:hover{color:#fff;background:var(--echo-deep);border-color:var(--echo-deep)}
.adv-link svg{width:18px;height:18px}

/* ============================================================
   LIGHT VARIANT: paper-first. Dark reserved for the film cards.
   ============================================================ */
.nav{background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);color:var(--ink)}
.brand{color:var(--ink)}
.navlinks a{color:var(--muted)}
.navlinks a:hover,.navlinks a[aria-current="page"]{color:var(--ink)}
.navlinks a::after{background:var(--echo-deep)}
.menu-btn{border-color:var(--line);color:var(--ink)}
.nav.open{background:var(--white)}
.mobile-panel{background:var(--white);border-top-color:var(--line)}
.mobile-panel a{color:var(--body);border-bottom-color:var(--line)}
.mobile-panel a:hover{color:var(--ink)}
.mobile-panel a[aria-current="page"]{color:var(--ink);box-shadow:inset 3px 0 0 var(--echo-deep)}
.nav :focus-visible{outline-color:var(--echo-deep)}

.section.on-dark,.hero,.pagehero,.ip,.notfound{background:var(--paper);color:var(--body)}
.on-dark h1,.on-dark h2,.on-dark h3,.hero h1,.pagehero h1{color:var(--ink)}
.on-dark .lede,.hero .lede,.pagehero .lede{color:var(--muted)}
.on-dark .kicker,.hero .kicker,.pagehero .kicker{color:var(--echo-deep)}
.on-dark .trio > div{border-top-color:var(--ink)}
.on-dark .trio .glyph{color:var(--echo-deep)}
.on-dark .trio p{color:var(--muted)}
.on-dark :focus-visible{outline-color:var(--echo-deep)}

.hero::before{background:
  radial-gradient(circle at 78% 46%, rgba(10,124,146,.06), transparent 40%)}
.hero-cred{border-top-color:var(--line);color:var(--muted)}
.hero-cred strong{color:var(--ink)}
.pagehero::before{border-color:rgba(10,124,146,.18);box-shadow:0 0 0 70px rgba(10,124,146,.04),0 0 0 150px rgba(10,124,146,.025)}

.on-dark .btn-ghost,.btn-ghost.on-dark{border-color:#C4D0D6;color:var(--ink)}
.on-dark .btn-ghost:hover,.btn-ghost.on-dark:hover{border-color:var(--ink);color:var(--ink);background:rgba(13,27,36,.04)}

.stage{background:var(--white);border-color:var(--line)}
.stage:hover{border-color:var(--echo-deep)}
.stage h3{color:var(--ink)}
.stage h3 .n{color:var(--echo-deep)}
.stage p{color:var(--muted)}

/* films: the one place that stays console-dark, framing the dark video content */
.compliance{color:var(--muted)}

.ip .fine{color:var(--muted)}
.patent-chip{border-color:#C4D0D6;color:var(--echo-deep)}
.patent-chip svg{color:var(--echo-deep)}

.cta-panel{background:var(--white);color:var(--body);border:1px solid var(--line)}
.cta-panel h2{color:var(--ink)}
.cta-panel p{color:var(--muted)}
.cta-panel::after{border-color:rgba(10,124,146,.22);box-shadow:0 0 0 60px rgba(10,124,146,.045),0 0 0 130px rgba(10,124,146,.03)}

.footer{background:var(--white);border-top:1px solid var(--line);color:var(--body)}
.footer .brand{color:var(--ink)}
.footer p{color:var(--muted)}
.footer h4{color:var(--ink)}
.footer ul a{color:var(--muted)}
.footer ul a:hover{color:var(--echo-deep)}
.foot-legal{border-top-color:var(--line);color:var(--muted)}
.footer :focus-visible{outline-color:var(--echo-deep)}

.section.on-dark .split .scanwrap svg{filter:none}

/* light adaptations: scroll sequence + previews */
.seq-step{border-top-color:var(--line)}
.seq-step h3{color:var(--ink)}
.seq-step p{color:var(--muted)}
.seq-step .n{color:var(--echo-deep)}
@media (max-width:880px){
  .seq-stagebox{background:linear-gradient(var(--paper) 82%,transparent)}
}

.kicker::before{background:#B08A2E}


/* ---------- Dark closing act: leadership + contact + footer ---------- */
.go-dark{background:#06141D}
section.go-dark .kicker{color:#26C9DF}
.go-dark .kicker::before{background:#E9B44C}
section.go-dark h2{color:#fff}
section.go-dark .sec-head .lede{color:#B7C6CE}
.go-dark .person{background:#0B1E2A;border-color:rgba(158,197,216,.16)}
.go-dark .person h3{color:#fff}
.go-dark .person .role{color:#26C9DF}
.go-dark .person p{color:#AFC0C9}
.go-dark .cta-panel{background:#0B1E2A;border-color:rgba(158,197,216,.18)}
.go-dark .cta-panel h2{color:#fff}
.go-dark .cta-panel p{color:#AFC0C9}
.go-dark .cta-panel::after{border-color:rgba(38,201,223,.25);box-shadow:0 0 0 60px rgba(38,201,223,.05),0 0 0 130px rgba(38,201,223,.03)}
section.go-dark + section.go-dark{padding-top:0}

.go-dark .bio-open{color:#26C9DF;border-bottom-color:rgba(38,201,223,.4)}

.footer{background:#fff;border-top:1px solid var(--line)}

.go-dark .adv-head{color:#fff}
.go-dark .advisor{background:#0B1E2A;border-color:rgba(158,197,216,.16)}
.go-dark .adv-name{color:#fff}
.go-dark .adv-title{color:#AFC0C9}
.go-dark .adv-link{color:#26C9DF;border-color:rgba(158,197,216,.25)}
.go-dark .adv-link:hover{color:#06141D;background:#26C9DF;border-color:#26C9DF}