:root {
  --bg: #fffcfb;
  --ink: #08090d;
  --muted: #5e6675;
  --line: #e7eaf0;
  --soft: #f6f8fb;
  --soft-blue: #e7f2ff;
  --page-soft: rgba(255, 252, 251, 0.78);
  --grid-line: rgba(213, 88, 22, 0.045);
  --orange: #f26b2a;
  --orange-dark: #c94913;
  --blue: #256fcb;
  --blue-dark: #173f86;
  --green: #25a06a;
  --shadow: 0 18px 48px rgba(17, 24, 39, 0.09);
  --content-width: 1120px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

body::before,
body::after {
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  pointer-events: none;
  content: "";
}

body::before {
  height: 64rem;
  background: radial-gradient(
    ellipse 560px 340px at 50% 120px,
    rgba(213, 88, 22, 0.1) 39.4%,
    rgba(213, 88, 22, 0) 100%
  );
}

body::after {
  left: 50%;
  width: min(918px, 100vw);
  height: 591px;
  transform: translateX(-50%);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 468px 335px at 50% 250px, #000 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 468px 335px at 50% 250px, #000 0%, transparent 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 9px clamp(18px, 5vw, 56px);
  border-bottom: 1px solid rgba(231, 234, 240, 0.86);
  background: rgba(255, 252, 251);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-emoji {
  font-size: clamp(1.2rem, 1.1em + 0.3vw, 1.45rem);
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  color: #343a46;
  font-size: 13px;
  font-weight: 600;
}

.nav-links a {
  padding: 6px 0;
}

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

main {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--content-width);
  min-height: calc(100vh - 44px);
  margin: 0 auto;
  padding: 34px clamp(18px, 5vw, 32px) 64px;
  text-align: center;
}

.hero-copy {
  container-type: inline-size;
  max-width: var(--content-width);
  width: 100%;
}

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

h1 {
  max-width: var(--content-width);
  margin: 0 auto 10px;
  font-weight: 800;
  letter-spacing: 0;
  text-align: center;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.title-brand {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 0.22em;
  font-size: clamp(22px, 4.9cqw, 52px);
  line-height: 1.3;
}

.title-brand span {
  white-space: nowrap;
}

.title-accent {
  color: var(--orange) !important;
}

.title-subject {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: var(--content-width);
  font-size: clamp(22px, 4.9cqw, 52px);
  line-height: 1.3;
}

.title-subject span {
  white-space: nowrap;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: normal;
}

.authors {
  margin-right: auto;
  margin-left: auto;
  margin-top: 30px;
  max-width: var(--content-width);
  color: #242a35;
  font-size: 16px;
}

.authors p {
  margin-bottom: 5px;
}

.author-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 10px;
  row-gap: 1px;
}

.authors strong {
  font-weight: 700;
}

.authors sup {
  color: var(--blue);
  font-weight: 800;
}

.affiliations {
  color: var(--muted);
  font-size: 14px;
}

.author-notes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 14px;
  row-gap: 2px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.affiliation-row {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 16px;
  row-gap: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 11px;
  margin-top: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
}

.button svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: currentColor;
  overflow: visible;
}

.button .icon-github {
  width: 19px;
  height: 19px;
}

.button .icon-model {
  width: 24px;
  height: 24px;
}

.button span {
  line-height: 1;
}

.button.secondary {
  background: rgba(242, 107, 42, 0.1);
  color: var(--orange);
}

.section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(42px, 7vw, 72px) clamp(20px, 5vw, 36px);
}

.section-heading {
  max-width: none;
  margin-bottom: 22px;
}

.section-heading p {
  max-width: none;
  margin-top: 12px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.section-heading.centered {
  max-width: none;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section h2 {
  margin-bottom: 0;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0;
}

.demo-video {
  width: min(780px, 100%);
  margin: 0 auto;
}

.hero-demo {
  margin-top: 22px;
}

.demo-video video {
  display: block;
  width: 85%;
  margin-inline: auto;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  background: #111;
  box-shadow: 0 16px 44px rgba(17, 24, 39, 0.12);
}

.demo-video figcaption,
.paper-figure figcaption {
  width: 100%;
  max-width: none;
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  text-align: left;
}

@media (min-width: 1600px) {
  .hero {
    max-width: var(--content-width);
  }

  .hero-copy {
    max-width: var(--content-width);
  }

  .demo-video {
    width: min(880px, 100%);
  }
}

.story-section {
  border-top: 1px solid rgba(231, 234, 240, 0.72);
}

.paper-figure {
  max-width: var(--content-width);
  margin: 0;
  margin-right: auto;
  margin-left: auto;
}

.paper-figure img {
  display: block;
  width: 90%;
  height: auto;
  margin-right: auto;
  margin-left: auto;
}

.overview-figure {
  max-width: var(--content-width);
}

.framework-figure {
  max-width: var(--content-width);
  margin-top: 8px;
}

.results-copy {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.story-copy {
  max-width: var(--content-width);
  margin: 30px auto 0;
  color: #242a35;
  font-size: 16px;
  line-height: 1.78;
}

.story-copy p {
  margin-bottom: 16px;
}

.story-copy p:last-child {
  margin-bottom: 0;
}

.story-copy strong {
  color: var(--orange);
  font-weight: 800;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: var(--content-width);
  margin: 0 auto;
}

.stat-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-align: center;
}

.stat-grid strong {
  display: block;
  color: var(--orange);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
}

.stat-grid span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.results-copy {
  max-width: var(--content-width);
  margin: 24px auto 0;
  text-align: center;
}

.table-stack {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.result-table {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.05);
}

.table-scroll {
  overflow-x: auto;
  overflow-y: hidden;
}

.table-scroll img {
  display: block;
  width: 100%;
  min-width: 760px;
  height: auto;
  margin-right: auto;
  margin-left: auto;
}

.result-table figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.affiliations-section {
  padding-top: clamp(38px, 5vw, 54px);
  padding-bottom: clamp(38px, 5vw, 54px);
}

.logo-strip {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  margin: 4px auto 0;
}

.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 84px;
  padding: 12px 8px;
}

.logo-item img {
  display: block;
  max-width: 100%;
  max-height: 58px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.logo-item-wide img {
  max-height: 46px;
}

.logo-item-dexmal img {
  width: min(100%, 260px);
  max-height: none;
}

.citation-box {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: 20px 18px 18px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f2f2f2;
}

.citation-box::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  border-radius: 8px 0 0 8px;
  background: var(--orange);
  content: "";
}

.citation-scroll {
  padding-right: 76px;
}

.citation-section pre {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.copy-citation {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(242, 107, 42, 0.42);
  border-radius: 8px;
  background: rgba(242, 107, 42, 0.08);
  color: var(--orange-dark);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.site-footer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

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

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

  .citation-box {
    width: 100%;
  }

  .logo-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 26px;
  }

}

@media (max-height: 820px) and (min-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 16px;
    padding-bottom: 28px;
  }

  .title-brand,
  .title-subject {
    font-size: clamp(18px, 3.8cqw, 36px);
  }

  .authors {
    font-size: 16px;
  }

  .affiliations {
    font-size: 13px;
  }

  .author-notes {
    font-size: 12px;
  }

  .button {
    min-height: 36px;
  }

  .demo-video {
    width: min(600px, 100%);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 42px;
  }

  .section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .citation-box {
    padding-top: 56px;
  }

  .logo-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .logo-item {
    min-height: 68px;
  }

  .logo-item img {
    max-height: 48px;
  }

  .logo-item-wide img {
    max-height: 38px;
  }

  .logo-item-dexmal img {
    width: min(100%, 230px);
    max-height: none;
  }

  .citation-scroll {
    padding-right: 0;
  }

}