:root {
  --bg: #f7f4ee;
  --paper: #fffdfa;
  --ink: #1f1a17;
  --muted: #6d655f;
  --line: #ddd2c4;
  --accent: #0c7a6c;
  --accent-soft: #d9efe8;
  --button: #221d19;
  --button-hover: #0c7a6c;
  --soft: #f3ede4;
  --shadow: 0 22px 60px rgba(34, 29, 25, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(12, 122, 108, 0.12), transparent 28%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.page {
  width: min(1080px, calc(100vw - 32px));
  margin: 28px auto 56px;
}

section {
  background: var(--paper);
  border: 1px solid rgba(221, 210, 196, 0.85);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px 32px 18px;
  text-align: center;
  background: transparent;
}

.hero-copy {
  max-width: 980px;
  margin: 0 auto;
}

.hero-copy h1 {
  max-width: 900px;
  margin: 0 auto 14px;
  font-size: clamp(2.35rem, 5vw, 3.55rem);
  font-weight: 700;
  line-height: 1.1;
  text-wrap: balance;
}

.hero-copy h1 span {
  color: var(--accent);
  white-space: nowrap;
}

.conference {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
}

.authors {
  max-width: 820px;
  margin: 0 auto;
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.08rem;
  line-height: 1.75;
}

.author-block {
  display: inline;
}

.author-block + .author-block::before {
  content: ", ";
}

.affiliations {
  margin-top: 4px;
  color: var(--muted);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

.affiliation-block {
  display: inline;
}

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

.link-block {
  display: inline-flex;
}

.resource-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  min-width: 104px;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--button);
  border-radius: 999px;
  background: var(--button);
  color: #fff;
  text-decoration: none;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.resource-button:hover {
  background: var(--button-hover);
  border-color: var(--button-hover);
  transform: translateY(-1px);
}

.resource-button.is-disabled {
  border-color: #8d847c;
  background: #8d847c;
  cursor: default;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 1.1rem;
  font-size: 1rem;
}

.resource-button.is-disabled .icon {
  opacity: 0.95;
}

section {
  margin-top: 28px;
  padding: 30px;
}

h2 {
  margin: 0 0 18px;
  font-size: 2rem;
  text-align: center;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

figure {
  margin: 0;
}

figure img,
video {
  display: block;
  width: 100%;
  border-radius: var(--radius);
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.5;
  text-align: center;
}

.abstract p {
  max-width: 920px;
  margin: 0 auto;
  font-size: 1.06rem;
  line-height: 1.72;
  text-align: justify;
}

.cards,
.grid-2,
.figure-stack {
  display: grid;
  gap: 18px;
}

.cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

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

.figure-stack {
  grid-template-columns: 1fr;
}

.wide-figure-section {
  padding: 26px 30px;
}

.card {
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fffdfa 0%, var(--soft) 100%);
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

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

.video-frame {
  overflow: hidden;
  border-radius: var(--radius);
  background: #120f0d;
}

.section-note {
  max-width: 920px;
  margin: 0 auto;
  color: var(--muted);
  text-align: center;
  line-height: 1.65;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.text-link:hover {
  text-decoration: underline;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 20px;
  border-radius: var(--radius);
  background: #201914;
  color: #f6efe5;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (max-width: 900px) {
  .page {
    width: min(100vw - 20px, 1080px);
    margin: 16px auto 40px;
  }

  .hero {
    padding: 18px 10px 10px;
  }

  section {
    padding: 22px 18px;
  }

  .cards,
  .code-cards,
  .grid-2,
  .figure-stack {
    grid-template-columns: 1fr;
  }

  .conference {
    font-size: 1.12rem;
    margin-bottom: 14px;
  }

  .authors {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .affiliations {
    font-size: 0.94rem;
  }

  .publication-links {
    gap: 10px;
    margin-top: 22px;
  }

  .resource-button {
    min-width: 0;
    padding: 10px 15px;
    font-size: 0.9rem;
  }
}