:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-deep: #040b14;
  --surface: #0c1929;
  --surface-2: #101f31;
  --line: #203248;
  --line-bright: #2f4a66;
  --text: #f4f7fb;
  --muted: #a7b5c8;
  --quiet: #74869d;
  --cyan: #3de0da;
  --cyan-soft: #a2f3ef;
  --violet: #9e8cff;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(61, 224, 218, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 224, 218, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

a { color: inherit; }
a:focus-visible, summary:focus-visible, video:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: var(--bg-deep);
  background: var(--cyan);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.page-shell { width: min(100% - 40px, var(--max)); margin: 0 auto; }
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font: 700 0.78rem/1 var(--mono);
  letter-spacing: 0.09em;
  text-decoration: none;
}
.wordmark-mark {
  width: 30px;
  height: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 18'%3E%3Cpath d='M1 10h5l2-7 4 14 3-11 2 7 2-3h10' fill='none' stroke='%233de0da' stroke-width='1.8'/%3E%3C/svg%3E") center/contain no-repeat;
}
.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(40px, 6vw, 86px);
  align-items: center;
  padding: 72px 0 62px;
}
.hero-copy { max-width: 600px; }
h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.9rem, 5.6vw, 5.25rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}
.hero-subtitle { margin: 28px 0 0; color: var(--cyan-soft); font-size: 1.06rem; font-weight: 650; }
.hero-intro { max-width: 570px; margin: 20px 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.75; }
.profile-links { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 30px; }
.profile-links a {
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-bright);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}
.profile-links a:hover { border-color: var(--cyan); color: var(--cyan-soft); }
.profile-links span { color: var(--violet); }
.hero-media { margin: 0; position: relative; }
.hero-media::before {
  content: "LIVE WORKFLOW / 01";
  position: absolute;
  top: -28px;
  right: 0;
  color: var(--violet);
  font: 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
}
.hero-media video {
  display: block;
  width: 100%;
  aspect-ratio: 1180 / 640;
  background: var(--bg-deep);
  border: 1px solid var(--line-bright);
  object-fit: cover;
}
.hero-media figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 0;
  color: var(--quiet);
  font: 0.72rem/1.4 var(--mono);
}
.hero-media figcaption span:first-child { color: var(--cyan); text-transform: uppercase; letter-spacing: 0.08em; }

.evidence { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.evidence-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.evidence-grid > div { min-height: 170px; padding: 32px 28px; border-right: 1px solid var(--line); }
.evidence-grid > div:first-child { padding-left: 0; }
.evidence-grid > div:last-child { border-right: 0; }
.evidence strong { display: block; max-width: 190px; color: var(--text); font-size: 1.45rem; line-height: 1.2; letter-spacing: -0.03em; }
.evidence p { max-width: 220px; margin: 15px 0 0; color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.evidence-note { margin: 0; padding: 14px 0; border-top: 1px solid var(--line); color: var(--quiet); font: 0.72rem/1.5 var(--mono); }

.demonstrations { padding-top: 132px; }
.section-heading { max-width: 760px; margin-bottom: 72px; }
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.65rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.demo { padding: 82px 0 94px; border-top: 1px solid var(--line); }
.demo-header { display: grid; grid-template-columns: 130px 1fr; align-items: center; margin-bottom: 48px; }
.demo-number { color: var(--violet); font: 400 clamp(3.5rem, 7vw, 6.5rem)/0.85 var(--mono); letter-spacing: -0.09em; }
.demo h3 { margin: 0; font-size: clamp(2rem, 3.4vw, 3.1rem); line-height: 1.1; letter-spacing: -0.04em; }
.demo-grid { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(390px, 0.82fr); gap: clamp(44px, 6vw, 82px); align-items: start; }
.demo-grid-reverse { grid-template-columns: minmax(390px, 0.82fr) minmax(0, 1.18fr); }
.demo-grid-vascular { gap: clamp(32px, 4vw, 52px); }
.demo-grid-reverse .demo-media { grid-column: 2; }
.demo-grid-reverse .demo-copy { grid-column: 1; grid-row: 1; }
.demo-grid-reverse .vascular-media { grid-column: 2; }
.demo-media, .research-photo { margin: 0; }
.demo-media video, .demo-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-bright);
  background: var(--bg-deep);
  object-fit: contain;
}
.demo-media-portrait video { aspect-ratio: 4 / 3; }
.vascular-media { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.vascular-media .demo-media img { height: clamp(250px, 26vw, 340px); aspect-ratio: auto; }
.demo-media-overview img { object-fit: cover; }
.demo-media-map img { object-fit: contain; }
.vascular-media .demo-media figcaption { font-size: 0.67rem; }
.demo-media figcaption, .research-photo figcaption {
  margin-top: 14px;
  color: var(--quiet);
  font: 0.75rem/1.65 var(--mono);
}
.demo-media figcaption strong { display: block; margin-bottom: 4px; color: var(--cyan); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.evidence-list { margin: 0; }
.evidence-list > div { padding: 0 0 22px; }
.evidence-list > div:first-child { padding-top: 0; }
.evidence-list dt { margin-bottom: 6px; color: var(--cyan); font: 0.72rem/1.35 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.evidence-list dd { margin: 0; color: var(--muted); line-height: 1.68; }
.project-link { display: inline-flex; margin-top: 2px; padding-bottom: 5px; border-bottom: 1px solid var(--violet); color: var(--text); font: 600 0.78rem/1.4 var(--mono); letter-spacing: 0.06em; text-decoration: none; text-transform: uppercase; }
.project-link:hover, .claim-limit a:hover { color: var(--cyan); }
.project-link span { margin-left: 7px; color: var(--violet); }
details { margin-top: 22px; border-top: 1px solid var(--line-bright); border-bottom: 1px solid var(--line-bright); }
summary {
  position: relative;
  padding: 16px 34px 16px 0;
  color: var(--text);
  font: 600 0.78rem/1.4 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 2px; top: 13px; color: var(--violet); font-size: 1.25rem; }
details[open] summary::after { content: "−"; }
details ul { margin: 0; padding: 0 0 16px 20px; color: var(--muted); }
details li { margin: 8px 0; padding-left: 5px; }
.confirm-note { color: #d5ccff; }
.claim-limit { margin: -2px 0 18px; padding-left: 13px; border-left: 2px solid var(--violet); color: var(--quiet); font-size: 0.86rem; }
.claim-limit a { color: var(--cyan-soft); }
.research-grid { display: grid; grid-template-columns: minmax(360px, 0.88fr) minmax(460px, 1.12fr); gap: clamp(44px, 7vw, 96px); align-items: start; }
.research-photo img { display: block; width: 100%; height: auto; border: 1px solid var(--line-bright); }
.fit { padding: 126px 0 118px; border-top: 1px solid var(--line); }
.fit-heading { margin-bottom: 48px; }
.fit-table-wrap { border-top: 1px solid var(--line-bright); }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 24px 26px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { color: var(--quiet); font: 0.72rem/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
thead th:first-child, tbody th { width: 40%; }
tbody th { color: var(--text); font-size: 0.96rem; font-weight: 650; }
tbody td { color: var(--muted); }
tr > *:first-child { padding-left: 0; }
tr > *:last-child { padding-right: 0; }
.fit-statement { max-width: 900px; margin: 38px 0 0; color: var(--cyan-soft); font-size: clamp(1.25rem, 2.2vw, 1.65rem); line-height: 1.55; }

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px 40px;
  align-items: end;
  padding: 44px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font: 0.75rem/1.6 var(--mono);
}
footer strong, footer span { display: block; }
footer strong { color: var(--text); font-size: 0.84rem; }
footer nav { display: flex; gap: 24px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--cyan); }
footer p { grid-column: 1 / -1; margin: 0; color: var(--quiet); }

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 56px; }
  .hero-copy { max-width: 740px; }
  .hero-media { margin-top: 8px; }
  .demonstrations { padding-top: 100px; }
  .demo { padding: 68px 0 80px; }
  .demo-header { grid-template-columns: 110px 1fr; }
  .demo-grid, .demo-grid-reverse, .research-grid { grid-template-columns: 1fr; }
  .demo-grid-reverse .demo-media, .demo-grid-reverse .vascular-media, .demo-grid-reverse .demo-copy { grid-column: auto; grid-row: auto; }
  .demo-grid-reverse .demo-media, .demo-grid-reverse .vascular-media { order: -1; }
  .demo-media-portrait { max-width: 720px; }
  .research-photo { max-width: 680px; }
  .fit { padding: 100px 0 90px; }
}

@media (max-width: 620px) {
  .page-shell { width: min(100% - 28px, var(--max)); }
  .site-header { min-height: 64px; }
  .hero { gap: 44px; padding: 48px 0 50px; }
  h1 { font-size: clamp(2.45rem, 12vw, 3.4rem); }
  .hero-media figcaption { flex-direction: column; gap: 4px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-grid > div { min-height: 0; padding: 24px 0; border-right: 0; border-top: 1px solid var(--line); }
  .evidence-grid > div:first-child { border-top: 0; }
  .section-heading { margin-bottom: 54px; }
  .demo { padding: 54px 0 66px; }
  .demo-header { grid-template-columns: 74px 1fr; margin-bottom: 34px; }
  .demo-number { font-size: 3.4rem; }
  .demo h3 { font-size: 2rem; }
  .demo-grid, .research-grid { gap: 36px; }
  .vascular-media { gap: 12px; }
  .vascular-media .demo-media img { height: auto; }
  .fit { padding: 82px 0 74px; }
  thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  table, tbody, tr, th, td { display: block; width: 100%; }
  tbody tr { padding: 20px 0; border-bottom: 1px solid var(--line); }
  tbody th, tbody td { width: 100%; padding: 0; border: 0; }
  tbody th { margin-bottom: 8px; color: var(--cyan); }
  footer { grid-template-columns: 1fr; align-items: start; }
  footer p { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}