:root {
  --vgp-ink: #172b43;
  --vgp-text: #273747;
  --vgp-muted: #5d6875;
  --vgp-border: #d8dee4;
  --vgp-light: #f6f7f8;
  --vgp-link: #1769aa;
  --vgp-green: #36c793;
  --vgp-cyan: #7ddde0;
  --vgp-paper: #f6f8f5;
  --vgp-shadow: 0 22px 60px rgba(16, 36, 62, 0.11);
}

html {
  scroll-behavior: smooth;
}

body.vgp-page {
  margin: 0;
  color: var(--vgp-text);
  background: var(--vgp-paper);
  font-family: 'Noto Sans', sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.vgp-page h1,
.vgp-page h2,
.vgp-page h3 {
  color: var(--vgp-ink);
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  letter-spacing: -0.015em;
}

.vgp-page h2 {
  margin: 0 0 1rem;
  padding: 0;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  line-height: 1.2;
}

.vgp-page h3 {
  margin: 0 0 0.45rem;
  padding: 0;
  font-size: 1.2rem;
}

.vgp-page a {
  color: var(--vgp-link);
}

.vgp-hero {
  padding: 4.5rem 1.5rem 5rem;
  border-bottom: 0;
  background: #10243e;
}

.vgp-hero-inner {
  text-align: center;
}

.vgp-hero .publication-title {
  max-width: 900px;
  margin: 0 auto 1rem;
  color: #fff;
  font-size: clamp(2.55rem, 6vw, 4.6rem);
  line-height: 1.04;
}

.vgp-deck {
  max-width: 800px;
  margin: 0 auto 1.5rem;
  color: #dce8ef;
  font-size: 1.15rem;
}

.vgp-authors,
.vgp-affiliations {
  color: #fff;
  font-size: 1.2rem;
}

.vgp-authors a {
  color: #fff !important;
  font-weight: 600;
}

.vgp-affiliations {
  margin-top: 0.25rem;
  color: #b7c5cf;
  font-size: 1.02rem;
}

.vgp-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 1.5rem;
}

.vgp-button {
  height: 2.45rem;
  padding: 0 1rem;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px !important;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 600;
}

.vgp-button:hover {
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.15);
}

.vgp-button-primary {
  color: #07372a !important;
  border-color: var(--vgp-green);
  background: var(--vgp-green);
}

.vgp-button-primary:hover {
  color: #07372a !important;
  border-color: #5ed7ab;
  background: #5ed7ab;
}

.vgp-section {
  padding: 4rem 1.5rem;
}

.vgp-section-white {
  background: #fff;
}

.vgp-section-dark {
  color: #dce8ef;
  border: 0;
  background: #10243e;
}

.vgp-section-dark h2,
.vgp-section-dark h3 {
  color: #fff;
}

.vgp-section-intro {
  max-width: 780px;
  margin: 0 0 1.5rem;
  color: var(--vgp-text);
  font-size: 1.04rem;
}

.vgp-section-dark .vgp-section-intro {
  color: #b8c8d2;
}

.vgp-teaser {
  position: relative;
  z-index: 2;
  margin-top: -2rem;
  padding-top: 0;
  background: transparent;
}

.vgp-intro-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 1.1fr);
  gap: 0;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(16, 36, 62, 0.08);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--vgp-shadow);
}

.vgp-main-figure {
  margin: 0;
  padding: 2.25rem;
  border-right: 1px solid var(--vgp-border);
  background: linear-gradient(180deg, #fff, #eff5f2);
}

.vgp-main-figure img {
  display: block;
  width: min(100%, 340px);
  margin: 0 auto;
}

.vgp-intro-copy p {
  margin: 0 0 1rem;
}

.vgp-intro-copy {
  padding: 3rem;
}

.vgp-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0 3rem;
  padding: 0;
  border: 0;
}

.vgp-comparison section {
  padding: 1.6rem;
  border: 1px solid var(--vgp-border);
  border-radius: 14px;
  background: #fff;
}

.vgp-comparison section:last-child {
  border-color: rgba(54, 199, 147, 0.45);
  background: #f5fffb;
}

.vgp-comparison p {
  margin: 0;
}

.vgp-spanner-example {
  display: grid;
  grid-template-columns: 1.45fr 0.55fr;
  gap: 2rem;
  align-items: center;
  margin: 0;
  padding: 1.2rem;
  border: 1px solid var(--vgp-border);
  border-radius: 16px;
  background: #f7faf8;
}

.vgp-spanner-example img {
  display: block;
  width: 100%;
  border-radius: 8px;
}

.vgp-spanner-example figcaption {
  color: var(--vgp-text);
  font-size: 1rem;
  line-height: 1.65;
}

.vgp-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: 2rem;
}

.vgp-step {
  padding: 1.25rem;
  border-top: 2px solid var(--vgp-green);
  background: rgba(255, 255, 255, 0.04);
}

.vgp-step p {
  margin: 0;
}

.vgp-theorem-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.vgp-theorem-copy p {
  margin-top: 0;
}

.vgp-theorem-points {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.45rem 1rem;
  margin: 1.5rem 0 0;
}

.vgp-theorem-points dt {
  color: var(--vgp-ink);
  font-weight: 700;
}

.vgp-theorem-points dd {
  margin: 0;
}

.vgp-code-window {
  overflow: hidden;
  border: 1px solid #253c57;
  border-radius: 12px;
  background: #0c1c30;
  box-shadow: 0 18px 45px rgba(16, 36, 62, 0.16);
}

.vgp-code-window pre {
  overflow-x: auto;
  margin: 0;
  padding: 1.4rem;
  color: #dce8ef;
  background: transparent;
  font-size: 0.84rem;
  line-height: 1.65;
  white-space: pre;
}

.vgp-code-window .kw { color: var(--vgp-cyan); }
.vgp-code-window .fn { color: #f2c96d; }
.vgp-code-window .type { color: #8ed7ae; }
.vgp-code-window .comment { color: #8295a7; }

.vgp-constraint-note {
  margin-top: 2.5rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid #a9781d;
  background: #fbf8f0;
}

.vgp-constraint-note strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--vgp-ink);
}

.vgp-constraint-note p {
  margin: 0;
}

.vgp-domain-table-wrap {
  overflow-x: auto;
  margin-top: 1.75rem;
  border: 1px solid var(--vgp-border);
  border-radius: 12px;
  background: #fff;
}

.vgp-domain-table {
  width: 100%;
  margin: 0 !important;
  border-collapse: collapse;
}

.vgp-domain-table th,
.vgp-domain-table td {
  padding: 0.78rem 0.9rem !important;
  border: 0 !important;
  border-bottom: 1px solid #e4e8eb !important;
  text-align: left;
  vertical-align: middle;
}

.vgp-domain-table tr:last-child td {
  border-bottom: 0 !important;
}

.vgp-domain-table th {
  color: var(--vgp-ink);
  background: var(--vgp-light);
  font-size: 0.82rem;
}

.vgp-domain-table td:first-child {
  font-weight: 600;
}

.vgp-bibtex {
  padding: 4rem 1.5rem;
  background: #edf2ef;
}

.vgp-bibtex pre {
  overflow-x: auto;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--vgp-border);
  border-radius: 10px;
  background: var(--vgp-light);
  font-size: 0.82rem;
}

.vgp-footer {
  padding: 2rem 1.5rem;
  color: #aebfca;
  border-top: 0;
  background: #09192b;
}

.vgp-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.vgp-footer strong {
  color: #fff;
}

.vgp-footer a {
  color: #bcd1dc;
}

.vgp-footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

@media (max-width: 820px) {
  .vgp-hero {
    padding-top: 3rem;
  }

  .vgp-section {
    padding: 3.25rem 1.2rem;
  }

  .vgp-intro-grid,
  .vgp-theorem-grid {
    grid-template-columns: 1fr;
  }

  .vgp-main-figure {
    border-right: 0;
    border-bottom: 1px solid var(--vgp-border);
  }

  .vgp-main-figure img {
    width: min(100%, 360px);
  }

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

  .vgp-pipeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .vgp-hero .publication-title {
    font-size: 2.3rem;
  }

  .vgp-comparison,
  .vgp-pipeline {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .vgp-theorem-points {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .vgp-theorem-points dd {
    margin-bottom: 0.7rem;
  }

  .vgp-footer .container {
    flex-direction: column;
  }

  .vgp-footer-links {
    align-items: flex-start;
  }
}