:root {
  --ink: #12181b;
  --ink-soft: #2c3437;
  --muted: #697175;
  --paper: #f4f1e9;
  --surface: #fbfaf6;
  --surface-cool: #edf2ee;
  --line: #c9ccc5;
  --line-dark: #929993;
  --red: #bd1f2d;
  --red-dark: #8b111d;
  --green: #53733e;
  --blue: #4e6781;
  --peach: #f1c2a6;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --shadow: 0 24px 70px rgba(27, 36, 34, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  overflow-x: hidden;
}

img,
video {
  display: block;
  max-width: 100%;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  margin: 0 auto;
  max-width: 1240px;
  padding: 0 32px;
  width: 100%;
}

.site-nav {
  align-items: center;
  background: rgba(244, 241, 233, 0.92);
  border-bottom: 1px solid rgba(146, 153, 147, 0.45);
  display: flex;
  height: 58px;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

@supports (backdrop-filter: blur(12px)) {
  .site-nav {
    backdrop-filter: blur(16px);
  }
}

.wordmark {
  align-items: baseline;
  display: inline-flex;
  font-family: var(--serif);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
}

.wordmark-name {
  font-size: 1.02rem;
}

.wordmark-separator {
  color: var(--ink);
  font-size: 1.02rem;
  margin: 0 2px;
}

.wordmark-infinity {
  color: var(--red);
  font-family: var(--serif);
  font-size: 1.62rem;
  margin-left: 2px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--red);
}

.nav-toggle {
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: none;
  height: 42px;
  padding: 9px;
  width: 42px;
}

.nav-toggle span {
  background: var(--ink);
  display: block;
  height: 2px;
  margin: 5px 0;
  width: 24px;
}

.hero-section {
  align-items: center;
  background:
    radial-gradient(circle at 76% 42%, rgba(78, 103, 129, 0.11), transparent 30%),
    linear-gradient(180deg, #faf8f2 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
  display: flex;
  min-height: calc(100svh - 58px);
  overflow: hidden;
  padding: 74px 0 86px;
  position: relative;
}

.hero-grid-pattern {
  background-image:
    linear-gradient(rgba(18, 24, 27, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 24, 27, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  height: 620px;
  opacity: 0.58;
  position: absolute;
  right: -100px;
  top: -80px;
  transform: rotate(-7deg);
  width: 620px;
}

.hero-layout {
  align-items: center;
  display: grid;
  gap: 76px;
  grid-template-columns: minmax(0, 1.22fr) minmax(360px, 0.78fr);
  position: relative;
  z-index: 1;
}

.venue-label,
.eyebrow {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.venue-label {
  align-items: center;
  color: var(--ink-soft);
  display: flex;
  gap: 10px;
}

.venue-label span {
  background: var(--red);
  display: inline-block;
  height: 2px;
  width: 30px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin: 0;
}

.hero-brand {
  display: block;
  font-family: var(--serif);
  font-size: clamp(4rem, 7.1vw, 7.2rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.86;
}

.infinity-mark {
  color: var(--red);
  display: inline-block;
  font-size: 0.9em;
  margin-left: 0.04em;
}

.hero-subtitle {
  display: block;
  font-size: clamp(1.45rem, 2.35vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.2;
  margin-top: 22px;
  max-width: 900px;
}

.hero-summary {
  color: var(--ink-soft);
  font-size: 1.07rem;
  line-height: 1.65;
  margin: 26px 0 22px;
  max-width: 720px;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  font-size: 1.05rem;
  font-weight: 700;
  gap: 3px 14px;
  line-height: 1.45;
  margin-bottom: 9px;
  max-width: 820px;
}

.authors span {
  white-space: nowrap;
}

sup {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.7em;
}

.affiliation {
  align-items: baseline;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.75rem;
  gap: 4px 18px;
}

.affiliation strong {
  color: var(--ink-soft);
  font-size: 1.00rem;
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  align-items: center;
  border: 1px solid var(--ink);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 700;
  gap: 9px;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: #fff;
}

.button-primary:hover {
  background: var(--red);
  border-color: var(--red);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.52);
}

.button-secondary:hover {
  border-color: var(--red);
  color: var(--red);
}

.button-quiet {
  border-color: transparent;
  color: var(--muted);
}

.button-quiet:hover {
  color: var(--red);
}

.play-icon {
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
  border-top: 5px solid transparent;
  display: inline-block;
  height: 0;
  width: 0;
}

.hero-proof {
  background: rgba(251, 250, 246, 0.82);
  border: 1px solid var(--ink);
  box-shadow: 12px 12px 0 rgba(78, 103, 129, 0.16);
  padding: 20px;
}

.hero-visual {
  background: #fff;
  border: 1px solid var(--line);
  margin: 18px 0;
  overflow: hidden;
}

.hero-visual img {
  height: auto;
  width: 100%;
}

.hero-visual figcaption {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-family: var(--mono);
  font-size: 0.59rem;
  justify-content: space-between;
  padding: 10px 12px;
  text-transform: uppercase;
}

.hero-proof-head {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  font-family: var(--mono);
  font-size: 0.65rem;
  justify-content: space-between;
  padding-bottom: 14px;
  text-transform: uppercase;
}

.live-dot {
  align-items: center;
  display: flex;
  gap: 7px;
}

.live-dot::before {
  background: var(--green);
  border-radius: 50%;
  content: "";
  height: 7px;
  width: 7px;
}

.route-card {
  background:
    linear-gradient(rgba(78, 103, 129, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 103, 129, 0.08) 1px, transparent 1px),
    #edf0eb;
  background-size: 20px 20px;
  border: 1px solid var(--line);
  margin: 18px 0;
  min-height: 235px;
  overflow: hidden;
  padding: 22px;
  position: relative;
}

.route-card::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.84), transparent);
  content: "";
  height: 100%;
  left: -30%;
  position: absolute;
  top: 0;
  transform: skewX(-18deg);
  width: 32%;
}

.route-stat {
  position: relative;
  z-index: 2;
}

.route-stat strong {
  color: var(--red);
  display: block;
  font-family: var(--serif);
  font-size: 4.6rem;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.route-stat strong span {
  font-family: var(--sans);
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.route-stat p {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  margin: 9px 0 0;
}

.route-line {
  bottom: 46px;
  height: 84px;
  left: 18px;
  position: absolute;
  right: 18px;
  z-index: 1;
}

.route-line::before {
  border-bottom: 3px solid var(--red);
  border-left: 3px solid var(--red);
  border-radius: 0 0 0 28px;
  content: "";
  height: 28px;
  left: 7%;
  position: absolute;
  top: 31px;
  transform: rotate(-7deg);
  width: 72%;
}

.route-line::after {
  border-right: 3px solid var(--red);
  border-top: 3px solid var(--red);
  border-radius: 0 22px 0 0;
  content: "";
  height: 33px;
  position: absolute;
  right: 8%;
  top: 8px;
  transform: rotate(8deg);
  width: 23%;
}

.route-line i {
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 50%;
  height: 8px;
  position: absolute;
  width: 8px;
}

.route-line i:nth-child(1) { bottom: 16px; left: 7%; }
.route-line i:nth-child(2) { bottom: 12px; left: 28%; }
.route-line i:nth-child(3) { bottom: 25px; left: 50%; }
.route-line i:nth-child(4) { bottom: 30px; left: 76%; }
.route-line i:nth-child(5) { right: 7%; top: 6px; }
.route-line i:nth-child(6) { background: var(--red); border-color: var(--red); right: 7%; top: 42px; }

.route-meta {
  bottom: 12px;
  color: var(--muted);
  display: flex;
  font-family: var(--mono);
  font-size: 0.58rem;
  justify-content: space-between;
  left: 22px;
  position: absolute;
  right: 22px;
  text-transform: uppercase;
  z-index: 2;
}

.hero-thesis {
  align-items: start;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 13px;
  grid-template-columns: 30px 1fr;
  padding: 14px 3px 0;
}

.hero-thesis + .hero-thesis {
  margin-top: 13px;
}

.hero-thesis span {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.65rem;
  padding-top: 2px;
}

.hero-thesis p {
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.5;
  margin: 0;
}

.scroll-cue {
  align-items: center;
  bottom: 20px;
  color: var(--muted);
  display: flex;
  font-family: var(--mono);
  font-size: 0.62rem;
  gap: 10px;
  left: 50%;
  position: absolute;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue i {
  border-bottom: 1px solid var(--muted);
  border-right: 1px solid var(--muted);
  height: 8px;
  transform: rotate(45deg);
  width: 8px;
}

.section {
  border-bottom: 1px solid var(--line);
  padding: 112px 0;
}

.section h2 {
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5vw, 5.2rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
  margin-bottom: 0;
}

.section h3 {
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.section-heading {
  align-items: end;
  display: grid;
  gap: 64px;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  margin-bottom: 42px;
}

.section-heading > p,
.method-heading > p,
.evidence-heading > p {
  color: var(--muted);
  margin: 0 0 4px;
}

.demo-section {
  background: #171d20;
  color: #f7f5ed;
}

.demo-section .eyebrow {
  color: #e76570;
}

.demo-section .section-heading > p {
  color: #aeb5b6;
}

.video-shell {
  background: #0c1012;
  border: 1px solid #465054;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.33);
}

.video-bar {
  align-items: center;
  border-bottom: 1px solid #465054;
  color: #aeb5b6;
  display: flex;
  font-family: var(--mono);
  font-size: 0.62rem;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 15px;
}

.video-bar span:first-child {
  align-items: center;
  display: flex;
  gap: 9px;
}

.video-bar i {
  background: #e76570;
  border-radius: 50%;
  display: inline-block;
  height: 7px;
  width: 7px;
}

.video-shell video {
  aspect-ratio: 16 / 9;
  background: #080a0b;
  object-fit: contain;
  width: 100%;
}

.online-demo-browser {
  border-top: 1px solid #465054;
  margin-top: 64px;
  padding-top: 56px;
}

.online-demo-heading {
  align-items: end;
  display: grid;
  gap: 50px;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
  margin-bottom: 28px;
}

.online-demo-heading h3 {
  color: #f7f5ed;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin: 0;
  max-width: 520px;
}

.online-demo-heading > p {
  color: #aeb5b6;
  margin: 0 0 2px;
}

.online-demo-layout {
  align-items: start;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) 228px;
}

.online-demo-player .video-shell {
  box-shadow: none;
}

.online-demo-meta {
  align-items: center;
  border: 1px solid #465054;
  border-top: 0;
  display: flex;
  justify-content: space-between;
  padding: 15px 16px;
}

.online-demo-meta > div {
  display: grid;
  gap: 4px;
}

.online-demo-meta strong {
  color: #f7f5ed;
  font-family: var(--serif);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.online-demo-meta span {
  color: #8f9a9c;
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
}

.online-demo-meta .online-demo-route {
  color: #e76570;
  text-align: right;
}

.online-demo-tabs {
  display: grid;
  gap: 6px;
}

.online-demo-tab {
  align-items: center;
  appearance: none;
  background: #20282b;
  border: 1px solid #465054;
  color: #aeb5b6;
  cursor: pointer;
  display: flex;
  font-family: var(--mono);
  justify-content: space-between;
  min-height: 52px;
  padding: 8px 11px;
  text-align: left;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.online-demo-tab:hover,
.online-demo-tab:focus-visible {
  background: #283337;
  border-color: #e76570;
  color: #f7f5ed;
}

.online-demo-tab:focus-visible {
  outline: 2px solid rgba(231, 101, 112, 0.45);
  outline-offset: 2px;
}

.online-demo-tab.is-active {
  background: #2b2023;
  border-color: #e76570;
  box-shadow: inset 3px 0 0 #e76570;
  color: #f7f5ed;
}

.online-demo-tab > span {
  align-items: center;
  display: inline-flex;
  gap: 9px;
}

.online-demo-tab b {
  color: #7f898c;
  font-size: 0.58rem;
  font-weight: 500;
}

.online-demo-tab strong {
  font-size: 0.68rem;
  font-weight: 600;
}

.online-demo-tab small {
  color: #7f898c;
  font-size: 0.52rem;
  text-align: right;
  text-transform: uppercase;
}

.online-demo-layout {
  display: none;
}

.online-demo-carousel {
  border-top: 1px solid #465054;
  margin-top: 30px;
  padding-top: 16px;
}

.online-demo-carousel-bar {
  align-items: center;
  color: #8f9a9c;
  display: flex;
  font-family: var(--mono);
  font-size: 0.58rem;
  gap: 14px;
  justify-content: space-between;
  min-height: 38px;
  text-transform: uppercase;
}

.online-demo-live {
  align-items: center;
  color: #e76570;
  display: inline-flex;
  gap: 8px;
}

.online-demo-live i {
  background: #e76570;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(231, 101, 112, 0.14);
  display: inline-block;
  height: 6px;
  width: 6px;
}

.online-demo-controls {
  align-items: center;
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.online-demo-controls button {
  appearance: none;
  background: #20282b;
  border: 1px solid #465054;
  color: #d9dedf;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.58rem;
  min-height: 30px;
  padding: 0 10px;
  text-transform: uppercase;
}

.online-demo-controls button:first-child,
.online-demo-controls button:last-child {
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  width: 32px;
}

.online-demo-controls button:hover,
.online-demo-controls button:focus-visible {
  border-color: #e76570;
  color: #e76570;
}

.online-demo-controls button:focus-visible {
  outline: 2px solid rgba(231, 101, 112, 0.45);
  outline-offset: 2px;
}

.online-demo-viewport {
  overflow: hidden;
  position: relative;
}

.online-demo-track {
  align-items: stretch;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 18px max(18px, calc((100% - clamp(260px, 31vw, 380px)) / 2)) 28px;
  scrollbar-width: none;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
}

.online-demo-track::-webkit-scrollbar {
  display: none;
}

.online-demo-card {
  background: #20282b;
  border: 1px solid #465054;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.2);
  flex: 0 0 clamp(260px, 31vw, 380px);
  opacity: 0.4;
  scroll-snap-align: center;
  transform: scale(0.5);
  transition: border-color 600ms ease, box-shadow 600ms ease, opacity 600ms ease, transform 600ms ease;
}

.online-demo-card.is-center {
  border-color: #e76570;
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.38), 0 0 0 1px rgba(231, 101, 112, 0.22);
  opacity: 1;
  transform: scale(1.45);
  z-index: 2;
}

.online-demo-card-label {
  align-items: center;
  color: #8f9a9c;
  display: flex;
  font-family: var(--mono);
  font-size: 0.56rem;
  justify-content: space-between;
  min-height: 36px;
  padding: 0 11px;
  text-transform: uppercase;
}

.online-demo-card-label b {
  color: #f7f5ed;
  font-size: 0.68rem;
}

.online-demo-card.is-center .online-demo-card-label span {
  color: #e76570;
}

.online-demo-card-video {
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(231, 101, 112, 0.1), transparent 54%),
    #080a0b;
  overflow: hidden;
  position: relative;
}

.online-demo-card-video video {
  display: block;
  height: 100%;
  object-fit: contain;
  width: 100%;
}

.online-demo-card-video > span {
  color: #6f7b7f;
  font-family: var(--mono);
  font-size: 0.52rem;
  left: 50%;
  pointer-events: none;
  position: absolute;
  text-transform: uppercase;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 180ms ease;
  white-space: nowrap;
}

.online-demo-card-video.is-loaded > span {
  opacity: 0;
}

.online-demo-card-caption {
  align-items: baseline;
  display: flex;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 11px;
}

.online-demo-card-caption strong {
  color: #f7f5ed;
  font-family: var(--serif);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.online-demo-card-caption small {
  color: #8f9a9c;
  font-family: var(--mono);
  font-size: 0.5rem;
  text-transform: uppercase;
}

.idea-section {
  background: var(--paper);
}

.idea-intro {
  display: grid;
  gap: 30px 72px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.63fr);
  margin-bottom: 56px;
}

.idea-intro .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -10px;
}

.idea-intro h2 {
  font-size: clamp(2.8rem, 5.2vw, 5.6rem);
}

.idea-intro > p:last-child {
  color: var(--muted);
  margin: 8px 0 0;
}

.problem-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 64px;
}

.problem-card {
  background: rgba(251, 250, 246, 0.62);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 410px;
  padding: 26px;
}

.problem-card + .problem-card {
  border-left: 0;
}

.card-index {
  color: var(--line-dark);
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 52px;
}

.card-kicker,
.step-label {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.problem-card h3 {
  margin-bottom: 14px;
}

.problem-card > p:not(.card-kicker) {
  color: var(--muted);
  font-size: 0.86rem;
}

.solution-card {
  background: #e9eee7;
  border-color: var(--green);
}

.solution-card + .problem-card,
.problem-card + .solution-card {
  border-left: 1px solid var(--green);
}

.solution-card .card-index {
  color: var(--ink);
}

.paper-figure,
.result-figure {
  margin: 0;
}

.paper-figure img,
.result-figure img {
  height: auto;
  width: 100%;
}

.paper-figure figcaption,
.result-figure figcaption {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
  margin-top: 12px;
}

.comparison-figure {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 20px;
}

.comparison-figure figcaption {
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 14px;
}

.method-section {
  background: var(--surface-cool);
}

.method-heading,
.evidence-heading {
  align-items: end;
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 1.28fr) minmax(300px, 0.72fr);
  margin-bottom: 56px;
}

.method-steps {
  border-bottom: 1px solid var(--line-dark);
  border-top: 1px solid var(--line-dark);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 64px;
}

.method-steps article {
  display: grid;
  gap: 16px;
  grid-template-columns: 36px 1fr;
  padding: 26px 22px 28px 0;
}

.method-steps article + article {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.step-number {
  color: var(--red);
  font-family: var(--mono);
  font-size: 0.65rem;
  padding-top: 3px;
}

.method-steps h3 {
  margin-bottom: 9px;
}

.method-steps p:last-child {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0;
}

.pipeline-figure {
  background: #fff;
  border: 1px solid var(--line);
  padding: 16px;
}

.figure-label {
  border-bottom: 1px solid var(--line);
  display: flex;
  font-family: var(--mono);
  font-size: 0.6rem;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 0 2px 12px;
  text-transform: uppercase;
}

.pipeline-figure figcaption {
  border-top: 1px solid var(--line);
  margin-top: 17px;
  padding-top: 14px;
}

.scale-section {
  background: var(--surface);
}

.scale-heading {
  margin-bottom: 52px;
  max-width: 930px;
}

.scale-heading h2 {
  margin-bottom: 28px;
}

.scale-heading > p:last-child {
  color: var(--muted);
  max-width: 760px;
}

.result-figure-main {
  border-bottom: 1px solid var(--line);
  margin-bottom: 70px;
  padding-bottom: 26px;
}

.result-figure-main img {
  border: 1px solid #e6e4de;
}

.qualitative-grid {
  align-items: center;
  display: grid;
  gap: 68px;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
}

.qualitative-copy h3,
.fine-copy h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.35rem);
  letter-spacing: -0.045em;
  line-height: 1.04;
  margin-bottom: 20px;
}

.qualitative-copy > p:not(.eyebrow),
.fine-copy > p:not(.eyebrow) {
  color: var(--muted);
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.result-tags span {
  border: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: 0.6rem;
  padding: 7px 10px;
  text-transform: uppercase;
}

.qualitative-explorer {
  border-top: 1px solid var(--line-dark);
  padding-top: 56px;
}

.explorer-heading {
  align-items: end;
  display: grid;
  gap: 52px;
  grid-template-columns: minmax(0, 0.82fr) minmax(300px, 1.18fr);
  margin-bottom: 28px;
}

.explorer-heading .eyebrow {
  margin-bottom: 12px;
}

.explorer-heading h3 {
  font-family: var(--serif);
  font-size: clamp(2.15rem, 3.8vw, 3.7rem);
  letter-spacing: -0.045em;
  line-height: 1;
  margin-bottom: 0;
}

.explorer-heading > p {
  color: var(--muted);
  margin: 0;
}

.sequence-tabs {
  align-items: center;
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 0;
}

.sequence-tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.7rem;
  min-height: 46px;
  padding: 0 15px;
  white-space: nowrap;
}

.sequence-tab:hover,
.sequence-tab:focus-visible {
  color: var(--red);
}

.sequence-tab:focus-visible {
  outline: 2px solid rgba(189, 31, 45, 0.4);
  outline-offset: -2px;
}

.sequence-tab.is-active {
  border-bottom-color: var(--red);
  color: var(--ink);
  font-weight: 700;
}

.sequence-stage {
  background: var(--surface);
  border: 1px solid var(--line);
  margin-top: 24px;
  padding: 14px;
}

.sequence-stage-bar {
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.61rem;
  gap: 16px;
  justify-content: flex-start;
  padding: 0 2px 12px;
  text-transform: uppercase;
}

.sequence-stage-bar > span {
  align-items: center;
  display: inline-flex;
  gap: 7px;
}

.sequence-stage-note {
  color: var(--muted);
  margin-left: auto;
}

.legend-dot {
  border-radius: 50%;
  display: inline-block;
  height: 8px;
  width: 8px;
}

.legend-baseline {
  background: var(--blue);
}

.legend-ours {
  background: var(--red);
}

.sequence-panel {
  margin: 18px 0 0;
}

.sequence-panel[hidden] {
  display: none;
}

.pointcloud-comparison {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pointcloud-module {
  background: #f5f5f2;
  border: 1px solid #d8d7d1;
  min-width: 0;
}

.pointcloud-module header {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid #d8d7d1;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 12px;
}

.pointcloud-module header span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
}

.pointcloud-module-ours header span {
  color: var(--red);
}

.pointcloud-module header small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
  text-align: right;
  text-transform: uppercase;
}

.pointcloud-viewport {
  height: clamp(340px, 42vw, 510px);
  overflow: hidden;
  position: relative;
}

.pointcloud-viewport canvas {
  display: block;
  height: 100%;
  touch-action: none;
  width: 100%;
}

.pointcloud-loading {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  left: 50%;
  margin: 0;
  position: absolute;
  text-transform: uppercase;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.pointcloud-reset {
  appearance: none;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(27, 31, 35, 0.2);
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.56rem;
  min-height: 30px;
  padding: 0 9px;
  position: absolute;
  right: 10px;
  text-transform: uppercase;
  top: 10px;
  z-index: 3;
}

.pointcloud-reset:hover,
.pointcloud-reset:focus-visible {
  border-color: var(--red);
  color: var(--red);
}

.pointcloud-reset:focus-visible {
  outline: 2px solid rgba(189, 31, 45, 0.35);
  outline-offset: 2px;
}

.route-length {
  align-items: end;
  background: rgba(255, 255, 255, 0.92);
  border-left: 3px solid var(--red);
  bottom: 10px;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 8px 10px 7px 12px;
  pointer-events: none;
  position: absolute;
  right: 10px;
  z-index: 3;
}

.route-length span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.5rem;
  line-height: 1;
  text-transform: uppercase;
}

.route-length strong {
  color: var(--red);
  font-family: var(--mono);
  font-size: 1.05rem;
  line-height: 1.25;
}

.sequence-panel figcaption {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  margin-top: 10px;
  text-transform: uppercase;
}

.qualitative-explorer > .result-tags {
  margin-top: 24px;
}

.qualitative-grid .result-figure {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 14px;
}

.evidence-section {
  background: #ebe7dd;
}

.metric-strip {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 86px;
}

.metric-card {
  background: rgba(251, 250, 246, 0.78);
  border-top: 4px solid var(--blue);
  padding: 24px;
}

.metric-card:nth-child(2) {
  border-top-color: var(--green);
}

.metric-card:nth-child(3) {
  border-top-color: var(--red);
}

.metric-card > p {
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 28px;
}

.metric-values {
  align-items: baseline;
  display: flex;
  gap: 9px;
  margin-bottom: 11px;
}

.metric-values span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-decoration: line-through;
}

.metric-values i {
  color: var(--line-dark);
  font-style: normal;
}

.metric-values strong {
  color: var(--red);
  font-family: var(--serif);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.metric-card small {
  color: var(--muted);
  display: block;
  font-size: 0.68rem;
  line-height: 1.45;
}

.fine-grid {
  align-items: center;
  border-top: 1px solid var(--line-dark);
  display: grid;
  gap: 58px;
  grid-template-columns: minmax(250px, 0.55fr) minmax(0, 1.45fr);
  padding-top: 64px;
}

.fine-figure {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 12px;
}

.citation-section {
  background: #151b1e;
  border-bottom: 0;
  color: #f7f5ed;
}

.citation-grid {
  align-items: start;
  display: grid;
  gap: 80px;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1.45fr);
}

.citation-section .eyebrow {
  color: #e76570;
}

.citation-copy h2 {
  font-size: clamp(3rem, 5vw, 5rem);
  margin-bottom: 24px;
}

.citation-copy > p:not(.eyebrow) {
  color: #abb3b5;
}

.copy-button {
  align-items: center;
  appearance: none;
  background: transparent;
  border: 1px solid #657075;
  color: #f7f5ed;
  cursor: pointer;
  display: inline-flex;
  font-family: var(--mono);
  font-size: 0.7rem;
  gap: 30px;
  justify-content: space-between;
  margin-top: 14px;
  min-height: 42px;
  padding: 0 14px;
  text-transform: uppercase;
}

.copy-button:hover {
  border-color: #e76570;
  color: #e76570;
}

pre {
  background: #0d1113;
  border: 1px solid #3d474b;
  color: #d9dedf;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.72;
  margin: 0;
  overflow-x: auto;
  padding: 24px;
  white-space: pre;
}

.site-footer {
  background: #0b0f11;
  color: #7f898c;
  padding: 22px 0;
}

.footer-inner {
  align-items: center;
  display: flex;
  font-family: var(--mono);
  font-size: 0.62rem;
  justify-content: space-between;
  text-transform: uppercase;
}

.footer-inner p {
  margin: 0;
}

.footer-inner p:first-child {
  color: #f7f5ed;
  font-family: var(--serif);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-transform: none;
}

.footer-inner span {
  color: #e76570;
  font-family: var(--serif);
  font-size: 1.2rem;
}

@media (max-width: 1060px) {
  .hero-layout {
    gap: 50px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 900px;
  }

  .hero-proof {
    max-width: 650px;
  }

  .scroll-cue {
    display: none;
  }

  .section-heading,
  .idea-intro,
  .method-heading,
  .evidence-heading {
    align-items: start;
    gap: 28px;
    grid-template-columns: 1fr;
  }

  .idea-intro .eyebrow {
    grid-column: auto;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .online-demo-layout {
    grid-template-columns: minmax(0, 1fr) 200px;
  }

  .problem-card {
    min-height: 330px;
  }

  .problem-card + .problem-card,
  .problem-card + .solution-card {
    border-left: 1px solid var(--line);
    border-top: 0;
  }

  .card-index {
    margin-bottom: 30px;
  }

  .metric-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  body {
    font-size: 15px;
  }

  .container {
    padding: 0 20px;
  }

  .site-nav {
    flex-wrap: wrap;
    height: auto;
    min-height: 54px;
    padding: 6px 14px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-basis: 100%;
    gap: 0;
    padding-top: 4px;
  }

  .nav-links.is-open {
    display: grid;
  }

  .nav-links a {
    border-top: 1px solid var(--line);
    padding: 12px 3px;
  }

  .hero-section {
    min-height: auto;
    padding: 54px 0 56px;
  }

  .hero-brand {
    font-size: clamp(3.2rem, 17vw, 5.2rem);
  }

  .hero-subtitle {
    font-size: clamp(1.25rem, 6vw, 1.8rem);
  }

  .hero-proof {
    box-shadow: 8px 8px 0 rgba(78, 103, 129, 0.16);
  }

  .section {
    padding: 76px 0;
  }

  .section h2 {
    font-size: clamp(2.45rem, 12vw, 3.8rem);
  }

  .online-demo-heading {
    align-items: start;
    gap: 24px;
    grid-template-columns: 1fr;
  }

  .online-demo-layout {
    grid-template-columns: 1fr;
  }

  .online-demo-carousel-bar {
    align-items: start;
    flex-wrap: wrap;
  }

  .online-demo-controls {
    margin-left: 0;
    order: 3;
    width: 100%;
  }

  .online-demo-track {
    padding-inline: max(14px, calc((100% - 76vw) / 2));
  }

  .online-demo-card {
    flex-basis: 76vw;
  }

  .online-demo-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .method-steps {
    grid-template-columns: 1fr;
  }

  .method-steps article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }

  .qualitative-grid,
  .fine-grid,
  .citation-grid {
    gap: 36px;
    grid-template-columns: 1fr;
  }

  .explorer-heading {
    align-items: start;
    gap: 24px;
    grid-template-columns: 1fr;
  }

  .sequence-stage-note {
    margin-left: 0;
    width: 100%;
  }

  .pointcloud-comparison {
    grid-template-columns: 1fr;
  }

  .pointcloud-viewport {
    height: min(82vw, 420px);
  }

  .fine-grid {
    padding-top: 48px;
  }

  .citation-grid {
    gap: 44px;
  }

  .video-bar span:last-child,
  .route-meta span:last-child {
    display: none;
  }
}

@media (max-width: 520px) {
  .online-demo-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .online-demo-meta {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }

  .online-demo-meta .online-demo-route {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .authors {
    gap: 2px 10px;
  }

  .affiliation {
    align-items: start;
    flex-direction: column;
  }

  .hero-actions .button {
    flex: 1 1 auto;
  }

  .route-stat strong {
    font-size: 3.7rem;
  }

  .section-heading,
  .method-heading,
  .evidence-heading {
    margin-bottom: 36px;
  }

  .comparison-figure,
  .pipeline-figure {
    margin-left: -8px;
    margin-right: -8px;
    padding: 8px;
  }

  .figure-label span:last-child {
    display: none;
  }

  .qualitative-grid {
    gap: 28px;
  }

  .metric-card {
    padding: 20px;
  }

  .metric-values strong {
    font-size: 1.72rem;
  }

  pre {
    font-size: 0.62rem;
    padding: 16px;
  }

  .footer-inner {
    align-items: start;
    flex-direction: column;
    gap: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }
}