:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f7f8;
  --text: #111111;
  --muted: #666666;
  --line: #e7e7ea;
  --line-strong: #d7d7dc;
  --accent: #1f6feb;
  --accent-soft: #eef4ff;
  --shadow: 0 10px 30px rgba(17, 17, 17, 0.05);
  --content-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: inherit;
}

.page-shell {
  width: min(var(--content-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 80px;
}

.section {
  width: 100%;
  margin-top: 72px;
}

.section-narrow {
  width: min(980px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.hero {
  margin-top: 0;
}

.hero-copy {
  text-align: center;
  padding: 8px 0 0;
}

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

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.3rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.venue {
  margin-top: 18px;
  font-size: 1rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.authors {
  margin-top: 12px;
  font-size: 1.08rem;
  color: var(--muted);
  font-weight: 600;
}

.author-note {
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button,
.mini-button,
select {
  font: inherit;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    transform 150ms ease;
}

.button:hover,
.button:focus-visible,
.mini-button:hover,
.mini-button:focus-visible,
select:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button-primary {
  background: var(--text);
  color: #ffffff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #000000;
}

.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.section-heading {
  text-align: center;
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: 2.05rem;
  letter-spacing: -0.04em;
}

.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.abstract-card,
.bibtex-card {
  padding: 32px;
}

.figure-card {
  padding: 20px;
}

.figure-card,
.selector-card,
.abstract-card,
.bibtex-card {
  width: 100%;
}

.abstract-card p,
.bibtex-note,
.site-footer p,
.figure-caption {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1rem;
}

.abstract-card p + p {
  margin-top: 14px;
}

.figure-stack {
  display: grid;
  gap: 28px;
}

.figure-image-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fafbfc;
}

.figure-image-wrap-teaser {
  background: #ffffff;
}

.figure-image {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.figure-caption {
  margin-top: 14px;
  max-width: 92%;
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #000000;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
}

.video-frame iframe {
  height: 100%;
  border: 0;
}

.video-frame video {
  height: 100%;
  border: 0;
  object-fit: contain;
  background: #000000;
}

.selector-card {
  padding: 28px;
}

.selector-bar,
.scenario-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.scenario-meta {
  margin-top: 20px;
  align-items: end;
}

.selector-label,
.scenario-kicker,
.panel-title {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
}

.selector-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

select {
  min-width: min(100%, 360px);
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
}

.mini-button {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--text);
  cursor: pointer;
}

.scenario-kicker {
  margin: 0;
}

.scenario-meta h3 {
  margin-top: 6px;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  letter-spacing: -0.04em;
}

.scenario-id {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
}

.showcase-flow {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 42px minmax(220px, 0.72fr) 42px minmax(0, 1.1fr);
  align-items: center;
  gap: 14px;
  margin-top: 22px;
}

.media-panel,
.query-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.panel-title {
  margin: 0;
  padding: 14px 16px 0;
}

.showcase-base,
.showcase-control {
  aspect-ratio: 1 / 1.04;
  object-fit: cover;
  padding: 4px 14px 14px;
  transform: scale(1.48);
  transform-origin: center center;
}

.query-panel {
  width: fit-content;
  justify-self: center;
  max-width: 100%;
}

.showcase-query {
  width: auto;
  max-width: min(100%, 220px);
  padding: 6px 14px 14px;
  object-fit: contain;
  transform: scale(2);
  transform-origin: center center;
}

.operator {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 1.3rem;
  font-weight: 800;
}

.bibtex-card pre {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  border-radius: 14px;
  background: #f6f8fa;
  border: 1px solid var(--line);
}

.bibtex-card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92rem;
  line-height: 1.6;
  color: #1f2328;
}

.bibtex-note {
  margin-top: 14px;
}

#qualitative .section-heading,
#video .section-heading,
#abstract .section-heading,
#bibtex .section-heading,
#method .section-heading {
  margin-bottom: 20px;
}

.site-footer {
  width: 100%;
  margin: 72px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.site-footer p + p {
  margin-top: 10px;
}

@media (max-width: 980px) {
  .selector-bar,
  .scenario-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .showcase-flow {
    grid-template-columns: 1fr;
  }

  .operator {
    width: 100%;
    border-radius: 12px;
  }

  .arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, var(--content-width));
    padding-top: 30px;
    padding-bottom: 52px;
  }

  .section {
    margin-top: 48px;
  }

  .section-heading h2 {
    font-size: 1.7rem;
  }

  .abstract-card,
  .bibtex-card,
  .selector-card {
    padding: 20px;
  }

  .selector-controls,
  .mini-button,
  select {
    width: 100%;
  }
}