/* ============================================================
   Academic style — clean, restrained, readable.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #fdfcf9;
  --bg-2: #f5f3ee;
  --ink: #1c1c1e;
  --ink-soft: #3a3a3d;
  --mute: #6c6c70;
  --mute-2: #8a8a8e;
  --rule: #e2dfd8;
  --rule-2: #d8d4cb;
  --link: #8a2a2a;        /* burgundy academic link */
  --link-hover: #b03333;
  --accent: #8a2a2a;
  --serif: 'Crimson Pro', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --maxw: 880px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: #f3e0c4; color: var(--ink); }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 42, 42, 0.25);
  transition: color 0.15s, border-color 0.15s;
}
a:hover {
  color: var(--link-hover);
  border-bottom-color: var(--link-hover);
}

img { max-width: 100%; display: block; }

/* ---------- Header ---------- */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  background: rgba(253, 252, 249, 0.92);
}
.header-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 24px;
}
.site-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--ink);
  border-bottom: none;
}
.site-name:hover { color: var(--ink); }

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 14.5px;
}
.site-nav a {
  color: var(--ink-soft);
  border-bottom: none;
}
.site-nav a:hover { color: var(--link); }

@media (max-width: 640px) {
  .header-wrap { flex-direction: column; gap: 10px; align-items: flex-start; }
  .site-nav { flex-wrap: wrap; gap: 14px 18px; }
}

/* ---------- About ---------- */
.about {
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--rule);
}

.about-text h1 {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 0 0 4px;
}
.about-text .role {
  margin: 0 0 16px;
  color: var(--mute);
  font-size: 14px;
  font-style: italic;
}
.about-text p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}
.about-text p strong { color: var(--ink); font-weight: 600; }
.about-text .advisor {
  color: var(--mute);
  font-size: 14.5px;
  margin-top: 6px;
}
.about-text .links {
  margin-top: 16px;
  font-size: 14px;
  color: var(--mute-2);
}
.about-text .links a { color: var(--link); margin: 0 2px; }

@media (max-width: 720px) {
  .about { padding: 36px 0 28px; }
  .about-text h1 { font-size: 28px; }
}

/* ---------- Conference notice (time-limited) ---------- */
.notice {
  margin: 0 0 18px;
  padding: 12px 16px 13px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
}
.notice .notice-title {
  margin: 0 0 9px;
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--ink);
}
.notice .notice-title strong { font-weight: 600; color: var(--accent); }

.notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.notice-list li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 12px;
  padding: 2.5px 0;
  align-items: baseline;
}
.notice-what {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.notice-kind {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mute);
  margin-left: 5px;
}
.notice-where {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

@media (max-width: 560px) {
  .notice-list li { grid-template-columns: 1fr; gap: 1px; padding: 5px 0; }
}

/* ---------- Block (generic section) ---------- */
.block {
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
}
.block:last-of-type { border-bottom: none; }

.block h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--ink);
}

/* ---------- News ---------- */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.news-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding: 4px 0;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.news-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  padding-top: 1px;
}
.news-text strong { color: var(--ink); font-weight: 600; }
.news-text em { font-style: italic; color: var(--ink); }

@media (max-width: 560px) {
  .news-list li { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Publications ---------- */
.pub {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}
.pub:last-of-type { border-bottom: none; padding-bottom: 8px; }

.pub-thumb {
  width: 108px;
  height: 78px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: #fff;
  text-align: center;
  border: 1px solid var(--rule-2);
}
.pub-thumb-m3 {
  background: linear-gradient(135deg, #2c3e50 0%, #4a6b85 100%);
}
.pub-thumb-curio {
  background: linear-gradient(135deg, #6b4423 0%, #a07246 100%);
}
.pub-thumb-unilipi {
  background: linear-gradient(135deg, #4a5d3a 0%, #7a8f5e 100%);
}
.pub-thumb-docog {
  background: linear-gradient(135deg, #3a2d52 0%, #6a567f 100%);
}
.pub-thumb-doclayout {
  background: linear-gradient(135deg, #5a2a2a 0%, #8a4848 100%);
  font-size: 17px;
}
.pub-thumb-das {
  background: linear-gradient(135deg, #1e4a4a 0%, #3d7070 100%);
}

.pub-tag {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  padding: 1px 7px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 3px;
  position: relative;
  top: -2px;
}
.pub-tag-oral {
  color: #7a1c1c;
  background: #f5dede;
  border: 1px solid #e8b5b5;
}
.pub-tag-demo {
  color: #1c4a7a;
  background: #dfe9f5;
  border: 1px solid #b5c9e8;
}

.pub-info h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.pub-venue {
  margin: 0 0 4px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.pub-venue em { color: var(--mute); }
.pub-venue strong { color: var(--ink); font-weight: 600; }
.pub-abstract {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.pub-links {
  margin: 0;
  font-size: 14px;
}
.pub-links a {
  color: var(--link);
  font-family: var(--mono);
  font-size: 12.5px;
}

@media (max-width: 640px) {
  .pub { grid-template-columns: 1fr; gap: 14px; }
  .pub-thumb { width: 100%; max-width: 200px; height: 80px; }
}

/* ---------- Experience ---------- */
.exp {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 12px 0;
}
.exp + .exp { border-top: 1px solid var(--rule); }
.exp-when {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  padding-top: 5px;
}
.exp-body h3 {
  margin: 0 0 2px;
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.exp-org {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}
.exp-advisor {
  margin: 0;
  font-size: 13px;
  color: var(--mute);
  font-style: italic;
}
.exp-body ul {
  margin: 6px 0 0;
  padding-left: 18px;
}
.exp-body li {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 3px;
  line-height: 1.55;
}
.exp-body li strong { color: var(--ink); font-weight: 600; }

@media (max-width: 640px) {
  .exp { grid-template-columns: 1fr; gap: 6px; }
  .exp-when { padding-top: 0; }
}

/* ---------- Education ---------- */
.edu {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 8px 0;
}
.edu + .edu { border-top: 1px solid var(--rule); }
.edu-when {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  padding-top: 3px;
}
.edu-body h3 {
  margin: 0 0 1px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}
.edu-body p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

@media (max-width: 640px) {
  .edu { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- Awards ---------- */
.awards-list {
  margin: 0;
  padding-left: 18px;
}
.awards-list li {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 3px;
  line-height: 1.55;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--rule);
  margin-top: 16px;
  padding: 20px 0 24px;
  background: var(--bg);
}
.footer-wrap {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--mute);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-wrap a { color: var(--mute); border-bottom-color: var(--rule-2); }
.footer-wrap a:hover { color: var(--link); border-bottom-color: var(--link); }