:root {
  --paper: #f7f3ec;
  --paper-soft: #efe7dc;
  --surface: #ffffff;
  --ink: #172025;
  --muted: #5d6870;
  --line: #ddd4c7;
  --blue: #0877bd;
  --blue-deep: #045989;
  --pink: #e85c9a;
  --green: #58ae70;
  --gold: #c99a32;
  --shadow: 0 18px 48px rgba(34, 28, 20, 0.12);
  --radius: 8px;
  --max: 1160px;
  --gutter: 48px;
  --page-inset: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

button {
  font: inherit;
}

::selection {
  background: rgba(232, 92, 154, 0.24);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--ink);
  color: white;
  padding: 10px 14px;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 15px var(--gutter);
  border-bottom: 1px solid rgba(221, 212, 199, 0.78);
  background: rgba(247, 243, 236, 0.9);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav {
  display: flex;
  align-items: center;
}

.brand {
  flex: 0 0 auto;
  gap: 10px;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 780;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 54px;
  height: 24px;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  border: 2px solid;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.76);
}

.brand-mark::before {
  top: 2px;
  left: 0;
  width: 22px;
  height: 14px;
  border-color: var(--blue);
  transform: rotate(-3deg);
}

.brand-mark::after {
  right: 2px;
  bottom: 2px;
  width: 22px;
  height: 12px;
  border-color: var(--pink);
  transform: rotate(-3deg);
}

.site-nav {
  min-width: 0;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 720;
  padding: 8px 12px;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.is-active {
  background: rgba(8, 119, 189, 0.1);
  color: var(--blue-deep);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 84px);
  align-items: center;
  min-height: min(730px, calc(100svh - 68px));
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: 70px var(--gutter) 62px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(247, 243, 236, 1) 0%, rgba(247, 243, 236, 0.94) 48%, rgba(247, 243, 236, 0.48) 100%),
    repeating-linear-gradient(0deg, rgba(23, 32, 37, 0.032), rgba(23, 32, 37, 0.032) 1px, transparent 1px, transparent 44px);
}

.hero-art {
  position: relative;
  z-index: 0;
  grid-column: 2;
  grid-row: 1;
  justify-self: start;
  width: min(740px, calc(100% + 180px));
  max-width: none;
  margin: 42px -96px -48px 0;
  opacity: 0.92;
}

.hero-art img {
  width: 100%;
  filter: drop-shadow(0 24px 36px rgba(23, 32, 37, 0.1));
}

.hero-content {
  position: relative;
  z-index: 1;
  grid-column: 1;
  grid-row: 1;
  width: min(760px, 100%);
  min-width: 0;
}

.status-line,
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-deep);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: 4.45rem;
  line-height: 1.02;
  letter-spacing: 0;
  overflow-wrap: break-word;
  text-wrap: balance;
}

.authors,
.affiliations,
.hero-copy {
  max-width: 690px;
}

.authors {
  margin: 22px 0 0;
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 780;
}

.authors sup,
.affiliations sup {
  position: relative;
  top: -0.35em;
  margin-left: 1px;
  color: var(--blue-deep);
  font-size: 0.68em;
  font-weight: 850;
  line-height: 0;
}

.affiliations sup {
  margin-left: 0;
  margin-right: 2px;
}

.affiliations {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.hero-copy {
  margin: 24px 0 0;
  color: #303a40;
  font-size: 1.16rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(23, 32, 37, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 820;
  padding: 10px 18px;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(34, 28, 20, 0.08);
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  border-color: var(--ink);
  background: var(--ink);
  color: white;
}

.button.muted {
  color: rgba(23, 32, 37, 0.46);
  cursor: default;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: white;
}

.metric {
  min-height: 132px;
  padding: 28px 36px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  color: #fbe6f0;
  font-size: 3.45rem;
  line-height: 1;
}

.metric:nth-child(2) strong {
  color: #d9edf9;
}

.metric:nth-child(3) strong {
  color: #dff3e3;
}

.metric:nth-child(4) strong {
  color: #f5e6bd;
}

.metric span {
  display: block;
  max-width: 230px;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.96rem;
}

.section {
  width: min(var(--max), calc(100% - var(--page-inset)));
  margin: 0 auto;
  padding: 92px 0;
}

.results-section,
.abstract-section {
  width: 100%;
  padding-inline: max(var(--gutter), calc((100% - var(--max)) / 2));
}

.results-section {
  background: var(--paper-soft);
  border-block: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  margin-bottom: 42px;
}

.section-heading > *,
.lede > *,
.result-grid > *,
.media-grid > *,
.abstract-copy > * {
  min-width: 0;
}

.section-heading h2 {
  max-width: 840px;
  margin: 0;
  font-size: 3.25rem;
  line-height: 1.05;
  letter-spacing: 0;
  overflow-wrap: break-word;
  text-wrap: balance;
}

.lede,
.abstract-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.lede p,
.abstract-copy p {
  margin: 0;
  color: #323c42;
  font-size: 1.12rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.detail-grid article {
  border-left: 3px solid var(--blue);
  padding: 2px 16px 2px 18px;
}

.detail-grid article:nth-child(2) {
  border-left-color: var(--pink);
}

.detail-grid article:nth-child(3) {
  border-left-color: var(--green);
}

.detail-grid h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.2;
}

.detail-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.figure-panel,
.media-slot,
.citation-box {
  border: 1px solid rgba(23, 32, 37, 0.12);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.figure-panel {
  margin: 0;
  overflow: hidden;
}

.figure-panel img {
  width: 100%;
  background: white;
}

.figure-panel figcaption {
  border-top: 1px solid rgba(23, 32, 37, 0.09);
  color: var(--muted);
  font-size: 0.94rem;
  padding: 15px 18px 17px;
}

.media-slot h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  line-height: 1.18;
}

.media-slot p {
  margin: 0;
  color: var(--muted);
}

.evaluation-section {
  padding-bottom: 72px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.span-full {
  grid-column: 1 / -1;
}

.media-section {
  width: min(1240px, calc(100% - var(--page-inset)));
}

.media-explainer {
  max-width: 820px;
  margin: 18px 0 0;
  color: #323c42;
  font-size: 1.05rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.media-slot {
  overflow: hidden;
}

.media-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 238px;
  overflow: hidden;
  background: #eaf1f5;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(23, 32, 37, 0.22);
  border-radius: var(--radius);
}

.media-frame p {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 2;
  margin: 0;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
}

.demo-frame {
  min-height: 0;
  background: #10191e;
}

.demo-frame::after {
  display: none;
}

.demo-frame img,
.demo-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.demo-frame [data-slide] {
  display: none;
}

.demo-frame [data-slide].is-active {
  display: block;
}

.demo-frame video {
  background: #10191e;
}

.demo-frame p {
  left: 14px;
  bottom: 14px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(16, 25, 30, 0.72);
  color: white;
  padding: 6px 10px;
  backdrop-filter: blur(10px);
}

.carousel-controls {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(16, 25, 30, 0.72);
  color: white;
  padding: 5px;
  backdrop-filter: blur(10px);
}

.carousel-controls span {
  min-width: 42px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.76rem;
  font-weight: 820;
  text-align: center;
}

.carousel-button {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: white;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 850;
  line-height: 1;
  padding: 0;
}

.carousel-button:hover {
  background: rgba(255, 255, 255, 0.24);
}

.media-slot h3,
.media-slot > p {
  padding-inline: 18px;
}

.media-slot h3 {
  padding-top: 18px;
}

.media-slot > p {
  padding-bottom: 20px;
}

.road-scene {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, transparent 46%, rgba(255, 255, 255, 0.75) 46%, rgba(255, 255, 255, 0.75) 49%, transparent 49%),
    linear-gradient(12deg, rgba(8, 119, 189, 0.12), rgba(88, 174, 112, 0.18));
}

.road-scene.replay {
  background:
    linear-gradient(0deg, transparent 46%, rgba(255, 255, 255, 0.75) 46%, rgba(255, 255, 255, 0.75) 49%, transparent 49%),
    linear-gradient(12deg, rgba(88, 174, 112, 0.16), rgba(232, 92, 154, 0.14));
}

.road-scene.contrast {
  background:
    linear-gradient(0deg, transparent 46%, rgba(255, 255, 255, 0.75) 46%, rgba(255, 255, 255, 0.75) 49%, transparent 49%),
    linear-gradient(12deg, rgba(232, 92, 154, 0.15), rgba(201, 154, 50, 0.16));
}

.road-scene span {
  position: absolute;
  width: 58px;
  height: 30px;
  border: 3px solid var(--blue);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
}

.road-scene span:nth-child(1) {
  left: 20%;
  top: 34%;
  transform: rotate(7deg);
}

.road-scene span:nth-child(2) {
  right: 18%;
  top: 52%;
  border-color: var(--green);
}

.road-scene span:nth-child(3) {
  left: 48%;
  top: 61%;
  border-color: var(--pink);
  transform: rotate(-12deg);
}

.citation-section {
  padding-top: 0;
}

.citation-box {
  overflow: hidden;
}

.citation-box pre {
  margin: 0;
  overflow-x: auto;
  background: #11181c;
  color: #f5eee2;
  font-size: 0.92rem;
  line-height: 1.55;
  padding: 24px;
}

.copy-button {
  width: 100%;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--ink);
  color: white;
  cursor: pointer;
  font-weight: 820;
  padding: 14px 18px;
}

.copy-button:hover {
  background: #263137;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 28px var(--gutter) 34px;
}

.site-footer p {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

@media (max-width: 1120px) {
  :root {
    --gutter: 32px;
    --page-inset: 64px;
  }

  .hero {
    grid-template-columns: minmax(0, 660px) minmax(260px, 1fr);
    gap: 28px;
  }

  .hero h1 {
    font-size: 3.65rem;
  }

  .hero-art {
    width: min(560px, calc(100% + 128px));
    margin: 48px -70px -42px 0;
    opacity: 0.78;
  }

  .metric {
    padding-inline: 28px;
  }

  .metric strong {
    font-size: 3.05rem;
  }

  .section-heading h2 {
    font-size: 2.75rem;
  }
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-content {
    grid-column: 1;
    grid-row: 1;
    width: min(760px, 100%);
  }

  .hero-art {
    grid-column: 1;
    grid-row: 2;
    justify-self: center;
    width: min(680px, 100%);
    margin: 10px auto -24px;
    opacity: 0.76;
  }
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding-block: 12px;
  }

  .site-nav {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
    padding-bottom: 54px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(247, 243, 236, 1) 0%, rgba(247, 243, 236, 0.9) 60%, rgba(247, 243, 236, 0.68) 100%),
      repeating-linear-gradient(0deg, rgba(23, 32, 37, 0.032), rgba(23, 32, 37, 0.032) 1px, transparent 1px, transparent 44px);
  }

  .hero h1 {
    max-width: 650px;
    font-size: 3rem;
    line-height: 1.04;
  }

  .hero-art {
    width: min(620px, 100%);
    max-width: none;
    margin: 4px auto -18px;
    opacity: 0.58;
  }

  .metrics-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric:nth-child(2) {
    border-right: 0;
  }

  .metric:nth-child(3),
  .metric:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.13);
  }

  .section,
  .results-section,
  .abstract-section {
    padding-block: 72px;
  }

  .section-heading,
  .lede,
  .detail-grid,
  .result-grid,
  .abstract-copy {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 6px;
    margin-bottom: 30px;
  }

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

  .scroll-figure {
    overflow-x: auto;
  }

  .scroll-figure img {
    width: 820px;
    max-width: none;
  }
}

@media (max-width: 640px) {
  :root {
    --gutter: 18px;
    --page-inset: 36px;
  }

  .brand span:last-child {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-nav {
    gap: 2px;
  }

  .site-nav a {
    font-size: 0.82rem;
    padding: 7px 7px;
  }

  .hero {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .hero h1 {
    font-size: 2.25rem;
    line-height: 1.06;
  }

  .authors,
  .affiliations,
  .hero-copy {
    max-width: 34rem;
  }

  .authors {
    font-size: 1rem;
  }

  .affiliations,
  .hero-copy,
  .lede p,
  .abstract-copy p {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-art {
    position: absolute;
    left: 50%;
    right: auto;
    bottom: 14px;
    grid-column: auto;
    grid-row: auto;
    width: 640px;
    margin: 0;
    transform: translateX(-44%);
    opacity: 0.07;
  }

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

  .metric,
  .metric:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    padding: 24px 22px;
  }

  .metric:first-child {
    border-top: 0;
  }

  .metric strong {
    font-size: 3rem;
  }

  .section-heading h2 {
    font-size: 2.05rem;
  }

  .scroll-figure img {
    width: 760px;
  }
}

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

  .button:hover {
    transform: none;
  }
}