/* ─── Palette ─────────────────────────────────────────────────────── */
:root {
  --bg:          #faf7f6;
  --bg-alt:      #f3eceb;
  --burgundy:    #7a3040;
  --burg-mid:    #a05060;
  --burg-light:  #d4a5ad;
  --burg-pale:   #ecdadc;
  --burg-faint:  #f7f0f1;
  --text:        #2e1f22;
  --text-mid:    #6b4a50;
  --text-light:  #9e7a80;
  --border:      #e2cfd1;
  --white:       #ffffff;
}

/* ─── Reset & Base ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.75;
  background: var(--bg);
  color: var(--text);
}

h1, h2, h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  line-height: 1.2;
}

a {
  color: var(--burgundy);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

a:focus-visible {
  outline: 2px solid var(--burgundy);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── Nav ─────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 56px;
  background: rgba(236, 218, 220, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--burgundy);
  text-decoration: none;
}

/* ─── Shared Section Layout ───────────────────────────────────────── */
section {
  padding: 80px 0;
}

section:nth-child(even) {
  background: var(--bg-alt);
}

.section-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-inner h2 {
  font-size: 2rem;
  color: var(--burgundy);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--burg-pale);
}

/* ─── About ───────────────────────────────────────────────────────── */
#about {
  background: var(--bg);
  padding: 100px 0 80px;
}

.about-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 3.5rem;
  align-items: flex-start;
}

.about-photo {
  flex-shrink: 0;
}

.profile-pic {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--burg-light);
}

.about-text h1 {
  font-size: 2.8rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.affil {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--burg-mid);
  margin-bottom: 1.4rem;
}

.bio {
  color: var(--text-mid);
  margin-bottom: 0.9rem;
  font-size: 0.94rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.links a {
  display: inline-block;
  font-size: 1.6rem;
  color: var(--burgundy);
  transition: color 0.2s;
}
.links a:hover {
  color: var(--burg-mid);
  text-decoration: none;
}

.icon-alphaxiv {
  display: inline-block;
  width: 1.70rem;
  height: 1.2rem;
  vertical-align: 0;
  background-color: currentColor;
  -webkit-mask: url(alphaxiv.png) center / contain no-repeat;
  mask: url(alphaxiv.png) center / contain no-repeat;
}

/* ─── News ────────────────────────────────────────────────────────── */
.news-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.news-list li {
  display: flex;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}

.news-list li:first-child {
  border-top: none;
}

.news-date {
  flex-shrink: 0;
  width: 72px;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--burg-mid);
  font-weight: 400;
  padding-top: 1px;
}

.news-item {
  font-size: 0.92rem;
  color: var(--text-mid);
}

/* ─── Publications ────────────────────────────────────────────────── */
.pub-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem 1.6rem;
  margin-bottom: 1.1rem;
  transition: box-shadow 0.2s;
}

.pub-card:hover {
  box-shadow: 0 4px 20px rgba(122, 48, 64, 0.08);
}

.pub-venue {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--burg-mid);
  margin-bottom: 0.35rem;
}

.pub-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.35;
}

.pub-authors {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.65rem;
}

.pub-tldr {
  border-left: 2px solid var(--burg-light);
  padding-left: 0.85rem;
  margin: 0 0 0.7rem;
  font-style: italic;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-mid);
}

.pub-links {
  display: flex;
  gap: 0.5rem;
}

.pub-links a {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--burg-light);
  border-radius: 999px;
  color: var(--burgundy);
  background: var(--burg-faint);
  transition: background 0.2s;
}
.pub-links a:hover {
  background: var(--burg-pale);
  text-decoration: none;
}

/* ─── Footer ──────────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.78rem;
  color: var(--text-light);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* ─── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .about-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
  }

  .about-text h1 { font-size: 2.2rem; }

  .links { justify-content: center; }

  nav { padding: 0 1.2rem; }
  .nav-links { gap: 1.2rem; }

  .section-inner { padding: 0 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    transition-duration: 0.01ms !important;
  }
}