:root {
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", sans-serif;
  --font-heading: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", sans-serif;
  --font-name: "Playfair Display", "Times New Roman", serif;
  --color-background: #fefaf2;
  --color-surface: #fefaf2;
  --color-text: #2f2a24;
  --color-accent: #7b5b3e;
  --color-accent-strong: #5e4128;
  --color-muted: #7a7063;
  --shadow-elevated: 0 16px 40px rgba(94, 65, 40, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  width: min(92%, 1080px);
  margin: 0 auto;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid rgba(47, 42, 36, 0.08);
}

.site-header .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 1.75rem 0;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.site-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--color-muted);
  padding-bottom: 0.25rem;
  position: relative;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--color-accent);
}

.site-nav a.active::after,
.site-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 2px;
  background-color: var(--color-accent);
}

.home-name {
  font-size: clamp(2.4rem, 2.8vw + 1.6rem, 3.4rem);
  font-family: var(--font-name);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 0.25rem;
}

.site-content {
  padding: 3.5rem 0 4.5rem;
}

.site-content h1,
.site-content h2,
.site-content h3 {
  margin-top: 0;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.intro-photo {
  width: min(300px, 80%);
  border-radius: 14px;
  box-shadow: var(--shadow-elevated);
  margin: 0 auto 1.5rem;
  display: block;
}

.section {
  margin-bottom: 2.5rem;
  display: grid;
  gap: 1.25rem;
  justify-items: center;
  text-align: center;
}

.home-intro {
  align-items: center;
}

.home-intro .intro-content {
  display: grid;
  gap: 1.25rem;
  text-align: left;
}

.section p {
  margin: 0 auto 1.25rem;
  max-width: 70ch;
  text-align: left;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.85rem;
  border-radius: 6px;
  background-color: var(--color-text);
  color: var(--color-background);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-transform: none;
  border: 1px solid rgba(47, 42, 36, 0.25);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease,
    box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(47, 42, 36, 0.18);
}

.button:hover {
  background-color: var(--color-accent);
  color: var(--color-background);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(94, 65, 40, 0.24);
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 2rem auto 0;
  max-width: 60ch;
}

.link-list li {
  margin-bottom: 1rem;
}

.link-list a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.02em;
}

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

.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid rgba(47, 42, 36, 0.08);
  padding: 1.75rem 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

@media (min-width: 900px) {
  .home-intro {
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    gap: 2.75rem;
    justify-items: stretch;
    text-align: left;
  }

  .home-intro .intro-photo {
    width: 100%;
    margin: 0;
  }

  .home-intro .intro-content {
    align-self: center;
    gap: 1.5rem;
  }
}

.paper-list {
  display: grid;
  gap: 1.75rem;
  width: min(80ch, 100%);
  margin: 0 auto;
  text-align: left;
}

.paper {
  background-color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(47, 42, 36, 0.08);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 12px 28px rgba(47, 42, 36, 0.08);
}

.paper h3 {
  margin-bottom: 0.5rem;
}

.paper .authors,
.paper .abstract {
  margin: 0.35rem 0 0;
  color: var(--color-muted);
}

.paper .abstract {
  color: var(--color-text);
}