:root {
  --ink: #162019;
  --muted: #667166;
  --paper: #fffaf0;
  --paper-deep: #f4ead6;
  --sage: #d8e0bf;
  --moss: #37513d;
  --clay: #b65d3a;
  --gold: #d7a642;
  --line: rgba(22, 32, 25, 0.14);
  --shadow: 0 24px 70px rgba(42, 38, 23, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(215, 166, 66, 0.28), transparent 34rem),
    radial-gradient(circle at 85% 4rem, rgba(55, 81, 61, 0.18), transparent 28rem),
    linear-gradient(135deg, #fffaf0 0%, #f8eedb 48%, #eef1df 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(22, 32, 25, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 32, 25, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
}

main {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  padding: 78px 0 40px;
  text-align: center;
}

.hero__eyebrow,
.section-heading span,
.dataset,
.tag {
  color: var(--clay);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
}

h1 {
  max-width: 980px;
  margin: 16px auto 20px;
  font-family: "Fraunces", serif;
  font-size: clamp(2.35rem, 5.4vw, 5.15rem);
  letter-spacing: -0.045em;
}

.authors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 22px;
  max-width: 940px;
  margin: 8px auto 0;
  text-align: center;
}

.authors article {
  min-width: 0;
}

.authors h2 {
  font-family: "Manrope", sans-serif;
  font-size: clamp(0.98rem, 1.6vw, 1.16rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.authors p,
.author-note {
  color: var(--muted);
}

.authors p {
  margin: 6px 0 2px;
  font-size: 0.9rem;
  font-weight: 600;
}

.authors sup,
.author-note sup {
  color: var(--clay);
  font-size: 0.7em;
}

.author-note {
  margin: 18px 0 0;
  font-size: 0.88rem;
  font-weight: 600;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button__icon {
  width: 1.12em;
  height: 1.12em;
  flex: 0 0 auto;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(22, 32, 25, 0.12);
}

.button--primary {
  border-color: var(--moss);
  color: #fffaf0;
  background: var(--moss);
}

.button--ghost {
  background: rgba(255, 250, 240, 0.62);
  backdrop-filter: blur(12px);
}

.figure-section,
.examples,
.summary,
.citation,
.abstract-section {
  padding: 38px 0;
}

.abstract-section {
  padding-top: 8px;
}

.abstract-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 250, 240, 0.78);
  box-shadow: 0 18px 45px rgba(42, 38, 23, 0.1);
}

.abstract-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 26px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.abstract-card summary::-webkit-details-marker {
  display: none;
}

.abstract-card summary span {
  font-family: "Fraunces", serif;
  font-size: clamp(1.32rem, 2.25vw, 2rem);
  font-weight: 780;
  letter-spacing: -0.035em;
}

.abstract-card summary strong {
  flex: 0 0 auto;
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--moss);
  font-size: 1.45rem;
  line-height: 1;
  background: rgba(216, 224, 191, 0.42);
}

.abstract-card summary strong::before {
  content: "+";
  transform: translateY(-1px);
}

.abstract-card[open] summary strong::before {
  content: "-";
}

.abstract-card[open] summary {
  border-bottom: 1px solid var(--line);
}

.abstract-card__content {
  overflow: hidden;
  padding: 8px 26px 26px;
}

.abstract-card:not([open]) .abstract-card__content {
  display: none;
}

.abstract-card__content p {
  max-width: 980px;
  margin: 16px auto 0;
  color: var(--muted);
  line-height: 1.75;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(150px, 0.32fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
}

.section-heading span {
  text-align: right;
}

.section-heading h2,
.summary h2 {
  font-family: "Fraunces", serif;
  font-size: clamp(1.52rem, 2.75vw, 2.55rem);
  letter-spacing: -0.035em;
}

.system-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 250, 240, 0.78);
  box-shadow: var(--shadow);
}

.system-card img {
  display: block;
  width: 100%;
  padding: clamp(14px, 3vw, 30px);
}

.system-card figcaption {
  padding: 0 28px 26px;
  color: var(--muted);
  line-height: 1.6;
}

.benchmark-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 980px;
  margin: 28px auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 250, 240, 0.82);
  box-shadow: 0 16px 38px rgba(42, 38, 23, 0.09);
}

.benchmark-stats div {
  padding: 22px 20px;
  text-align: center;
}

.benchmark-stats div + div {
  border-left: 1px solid var(--line);
}

.benchmark-stats dt {
  color: var(--clay);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.benchmark-stats dd {
  margin: 7px 0 0;
  color: var(--ink);
  font-family: "Fraunces", serif;
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  font-weight: 780;
  letter-spacing: -0.035em;
}

.summary {
  padding: 38px 0;
}

.summary__body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 250, 240, 0.82);
  box-shadow: 0 18px 45px rgba(42, 38, 23, 0.1);
}

.summary p,
.example-card p {
  color: var(--muted);
  line-height: 1.65;
}

.summary p {
  margin: 0;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.example-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 250, 240, 0.82);
  box-shadow: 0 18px 45px rgba(42, 38, 23, 0.1);
}

.example-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1.25 / 1;
  object-fit: cover;
  background: var(--paper-deep);
}

.example-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.example-card h3 {
  margin-top: 8px;
  font-size: 1.15rem;
}

.placeholder {
  display: flex;
  min-height: 86px;
  margin: 0;
  padding: 14px 15px;
  align-items: center;
  border: 1px dashed rgba(182, 93, 58, 0.48);
  border-radius: 18px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 750;
  line-height: 1.45;
  background: rgba(244, 234, 214, 0.62);
}

.tag {
  display: flex;
  justify-content: center;
  margin: auto 0 0;
  padding-top: 14px;
  text-align: center;
}

.tag span {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--paper);
  letter-spacing: 0.04em;
  background: var(--moss);
}

.citation {
  padding-bottom: 28px;
}

.citation-box {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--moss);
  box-shadow: var(--shadow);
}

.citation-box pre {
  margin: 0;
  padding: 30px;
  overflow-x: auto;
  color: var(--paper);
  font: 0.95rem/1.65 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.copy-button {
  position: absolute;
  top: 14px;
  right: 14px;
  min-width: 76px;
  min-height: 36px;
  border: 1px solid rgba(255, 250, 240, 0.32);
  border-radius: 999px;
  color: var(--paper);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255, 250, 240, 0.12);
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}

.copy-button:hover {
  transform: translateY(-1px);
  background: rgba(255, 250, 240, 0.22);
}

.funding-note {
  max-width: 980px;
  margin: 0 auto;
  padding: 34px 0 72px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
  text-align: left;
}

.funding-note p {
  margin: 0;
}

.sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 30px 44px;
  margin-top: 34px;
}

.sponsor-logos a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity 160ms ease, transform 160ms ease;
}

.sponsor-logos a:hover {
  opacity: 0.82;
  transform: translateY(-1px);
}

.sponsor-logos img {
  display: block;
  width: auto;
  max-width: 260px;
  max-height: 78px;
  object-fit: contain;
}

@media (max-width: 900px) {
  .section-heading,
  .summary__body {
    grid-template-columns: 1fr;
  }

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

  .benchmark-stats div:nth-child(3) {
    border-left: 0;
  }

  .benchmark-stats div:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

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

  .hero {
    padding-top: 52px;
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: clamp(2.1rem, 11vw, 3.35rem);
  }

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

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

  .benchmark-stats {
    grid-template-columns: 1fr;
  }

  .benchmark-stats div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .system-card,
  .summary__body,
  .example-card {
    border-radius: 22px;
  }
}