:root {
  --navy: #0b2454;
  --navy-2: #12336f;
  --teal: #2ec4c1;
  --teal-dark: #149a98;
  --sky: #eaf4fd;
  --sky-2: #d9ebfa;
  --ink: #0e1a2b;
  --muted: #55657c;
  --line: #dbe5f0;
  --white: #ffffff;
  --grad: linear-gradient(100deg, var(--navy-2) 0%, #1f6fa3 55%, var(--teal) 100%);
  --radius: 18px;
  --shadow: 0 1px 2px rgba(11, 36, 84, .06), 0 8px 24px rgba(11, 36, 84, .06);
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Manrope", "Inter", system-ui, sans-serif;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-2); }
h1, h2, h3 { font-family: var(--font-head); color: var(--navy); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 6px; }

.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4em;
  background: var(--navy); color: #fff; text-decoration: none; font-weight: 600;
  padding: .8em 1.4em; border-radius: 999px; border: 2px solid var(--navy);
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--navy-2); border-color: var(--navy-2); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--teal); border-color: var(--teal); color: var(--navy); }
.btn-small { padding: .45em 1.1em; font-size: .95rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(255, 255, 255, .86); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 34px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; }
.site-nav a:not(.btn):hover { color: var(--teal-dark); }
.site-nav .btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; position: relative; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  position: absolute; left: 11px; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .2s, opacity .2s; content: "";
}
.nav-toggle-bar { top: 21px; }
.nav-toggle-bar::before { left: 0; top: -7px; }
.nav-toggle-bar::after { left: 0; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { position: relative; min-height: min(86vh, 760px); display: flex; align-items: center; background: #dcecfb; overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 70% center; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(234, 244, 253, .92) 0%, rgba(234, 244, 253, .6) 32%, rgba(234, 244, 253, 0) 52%); }
.hero-inner { position: relative; padding-block: 64px; }
.hero-copy { max-width: 560px; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 34em; }
.hero .lede { color: #31435d; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 32px; }
.status {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px;
  background: rgba(255, 255, 255, .75); border: 1px solid var(--line); color: var(--navy);
  font-size: .85rem; font-weight: 600; padding: 6px 14px; border-radius: 999px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(46, 196, 193, .25); }
.chips { list-style: none; display: flex; gap: 10px; padding: 0; margin: 0; }
.chips li {
  font-family: var(--font-head); font-weight: 800; color: var(--navy); font-size: 1rem;
  background: rgba(255, 255, 255, .8); border: 1px solid var(--line); padding: 6px 16px; border-radius: 10px;
}

/* Sections */
.section { padding-block: clamp(72px, 10vw, 128px); }
.tint { background: linear-gradient(180deg, var(--sky) 0%, #f5faff 100%); }
.dark { background: var(--navy); color: #c8d5ea; }
.dark h2, .dark h3 { color: #fff; }
.dark .grad { background: linear-gradient(100deg, #7fd8f0, var(--teal)); -webkit-background-clip: text; background-clip: text; }
.eyebrow { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .14em; color: var(--teal-dark); margin-bottom: 14px; }
.dark .eyebrow { color: var(--teal); }
.split-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px 56px; align-items: end; margin-bottom: 48px; }
.split-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }
.note { color: var(--muted); font-size: .92rem; margin-top: 28px; }

/* Cards */
.cards { display: grid; gap: 20px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); position: relative;
}
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); font-size: .98rem; }
.num { display: inline-block; font-family: var(--font-head); font-weight: 800; font-size: .85rem; color: var(--teal-dark); margin-bottom: 14px; }
.analyte h3 { font-size: 2.4rem; margin-bottom: .1em; }
.analyte .sub { color: var(--navy-2); font-weight: 600; margin-bottom: .7em; }
.analyte { background: linear-gradient(180deg, #fff 0%, #f6fbff 100%); }
.tag { font-size: .78rem !important; font-weight: 600; color: var(--teal-dark) !important; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .6em; }
.parts .tag { margin-top: 1em; }

.device-figure { margin: 0 0 40px; border-radius: 24px; overflow: hidden; background: #dcecfb; box-shadow: var(--shadow); }
.device-figure img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.device-figure figcaption { font-size: .85rem; color: var(--muted); padding: 12px 20px; background: #fff; border-top: 1px solid var(--line); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.steps li { border-top: 3px solid var(--line); padding-top: 22px; position: relative; }
.steps li::before { content: ""; position: absolute; top: -3px; left: 0; width: 48px; height: 3px; background: var(--grad); }
.step-num { font-family: var(--font-head); font-weight: 800; color: var(--teal-dark); font-size: .9rem; display: block; margin-bottom: 10px; }
.steps p { color: var(--muted); font-size: .98rem; }

/* Story */
.story { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.story h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
.story-body p { font-size: 1.05rem; }
.story-body .big { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: #fff; line-height: 1.35; }

/* Team */
.team { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.person { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.person img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center 30%; }
.person > div { padding: 20px 20px 24px; }
.person h3 { font-size: 1.08rem; margin-bottom: .2em; }
.person .role { color: var(--teal-dark); font-weight: 600; font-size: .85rem; margin-bottom: .8em; }
.person p:last-child { color: var(--muted); font-size: .92rem; margin: 0; }

/* Advisors */
.advisors { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.advisors p { color: var(--muted); font-size: 1.08rem; max-width: 34em; }
.advisors .btn { margin-top: 8px; }
.pill-list { list-style: none; margin: 0; padding: 32px; display: flex; flex-direction: column; gap: 12px; background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); }
.pill-list li { font-family: var(--font-head); font-weight: 700; color: var(--navy); font-size: 1.15rem; padding: 12px 0; border-bottom: 1px solid var(--line); }
.pill-list li:first-child { padding-top: 0; }
.pill-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.pill-list .status { margin: 0; font-family: var(--font-body); font-size: .85rem; }

/* Looking ahead */
.ahead { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; }
.feature { padding: 0; overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; }
.feature img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
.feature > div { padding: 28px; display: flex; flex-direction: column; justify-content: center; }
.mini-cards { display: grid; gap: 20px; }

/* Resources */
.link-card { text-decoration: none; transition: transform .2s, border-color .2s; padding-right: 44px; }
.link-card:hover { transform: translateY(-3px); border-color: var(--teal); }
.link-card h3 { font-size: 1.1rem; }
.arrow { position: absolute; top: 24px; right: 24px; color: var(--teal-dark); font-weight: 700; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.5fr; gap: 56px; align-items: start; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  font-family: var(--font-head); font-weight: 700; font-size: 1.12rem; color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.6rem; font-weight: 400; color: var(--teal-dark); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 22px; margin: 0; max-width: 40em; }

/* CTA */
.cta { text-align: center; background: radial-gradient(1200px 500px at 50% 0%, #17407f 0%, var(--navy) 60%); }
.cta h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.cta .lede { color: #c8d5ea; margin: 0 auto 40px; }
.collab { text-align: left; margin-bottom: 40px; }
.collab .card { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); box-shadow: none; }
.collab .card p { color: #b6c6df; }

/* Footer */
.site-footer { background: #071a3d; color: #9fb0cb; padding-block: 56px 40px; font-size: .9rem; }
.footer-inner { display: grid; gap: 20px; }
.footer-logo { height: 32px; width: auto; filter: brightness(0) invert(1); opacity: .9; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-footer a { color: #d6e1f2; text-decoration: none; }
.site-footer a:hover { color: var(--teal); }
.fine { margin: 0; max-width: 70em; font-size: .82rem; line-height: 1.6; }

/* Responsive */
@media (max-width: 1024px) {
  .hero { flex-direction: column; align-items: stretch; min-height: 0; background: linear-gradient(180deg, #eef6fe 0%, #dcecfb 100%); }
  .hero-media { position: relative; order: 2; height: clamp(300px, 52vw, 480px); }
  .hero-media::after { display: none; }
  .hero-media img { object-position: 78% center; }
  .hero-inner { padding-block: 48px 8px; }
  .hero-copy { max-width: 640px; }
}
@media (max-width: 1080px) {
  .team { grid-template-columns: repeat(3, 1fr); }
  .cards.four { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
}
@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 20px;
    box-shadow: 0 16px 32px rgba(11, 36, 84, .1); display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .site-nav .btn { margin-top: 16px; }
  .split-head, .story, .advisors, .faq-wrap, .ahead { grid-template-columns: 1fr; gap: 24px; }
  .split-head { margin-bottom: 36px; }
  .cards.three { grid-template-columns: 1fr; }
  .story, .advisors, .faq-wrap { gap: 32px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .team { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .person > div { padding: 16px; }
  .person p:last-child { font-size: .88rem; }
  .cards.four { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .feature { grid-template-columns: 1fr; }
  .feature img { min-height: 0; aspect-ratio: 16 / 9; }
  .card { padding: 22px; }
}
@media (max-width: 420px) {
  .team { grid-template-columns: 1fr; }
  .person { flex-direction: row; }
  .person img { width: 112px; min-width: 112px; aspect-ratio: auto; height: auto; }
}

/* 404 */
.notfound { min-height: 100vh; display: flex; align-items: center; text-align: center; }
.notfound img { height: 40px; width: auto; margin: 0 auto 40px; }
.notfound .lede { margin: 0 auto 32px; }

/* Scroll-driven 3D explode */
.assembly {
  position: relative; height: 420vh;
  background: radial-gradient(70% 50% at 70% 50%, #ffffff 0%, var(--sky) 55%, var(--sky-2) 100%);
}
.assembly-sticky {
  position: sticky; top: var(--header-h);
  height: calc(100vh - var(--header-h)); height: calc(100svh - var(--header-h));
  display: flex; align-items: center; overflow: hidden;
}
.assembly-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: center; }
.assembly-copy h2 { margin-bottom: .4em; }
.assembly-steps { list-style: none; padding: 0; margin: 8px 0 28px; position: relative; min-height: 190px; }
.assembly-steps li {
  position: absolute; inset: 0 0 auto 0; opacity: 0; transform: translateY(14px);
  transition: opacity .45s ease, transform .45s ease; pointer-events: none;
}
.assembly-steps li.active { opacity: 1; transform: none; pointer-events: auto; }
.assembly-steps h3 { font-size: 1.45rem; margin-bottom: .35em; }
.assembly-steps p { color: var(--muted); font-size: 1.08rem; max-width: 28em; margin: 0; }
.assembly-progress { height: 3px; max-width: 320px; background: var(--line); border-radius: 3px; overflow: hidden; }
.assembly-progress span { display: block; height: 100%; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; }
.assembly-stage { position: relative; }
.assembly-stage canvas {
  display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; margin-inline: auto;
  max-width: calc(100vh - var(--header-h) - 64px); max-width: calc(100svh - var(--header-h) - 64px);
}
.assembly-note { text-align: center; font-size: .8rem; color: var(--muted); margin: 0; }

@media (max-width: 920px) {
  .assembly { height: 380vh; }
  .assembly-grid { grid-template-columns: 1fr; gap: 4px; }
  .assembly-stage { order: -1; }
  .assembly-stage canvas { max-width: min(100%, 54vh); max-width: min(100%, 54svh); }
  .assembly-note { display: none; }
  .assembly-copy .eyebrow, .assembly-copy h2 { display: none; }
  .assembly-steps { min-height: 150px; margin: 0 0 16px; }
  .assembly-steps h3 { font-size: 1.2rem; }
  .assembly-steps p { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .assembly { height: auto; padding-block: 72px; }
  .assembly-sticky { position: static; height: auto; }
  .assembly-steps { min-height: 0; }
  .assembly-steps li { position: static; opacity: 1; transform: none; margin-bottom: 18px; }
  .assembly-copy .eyebrow, .assembly-copy h2 { display: block; }
  .assembly-progress { display: none; }
}