*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f7f5f0;
  --surface: #eeeae2;
  --ink: #1a1814;
  --ink-muted: #6b6660;
  --ink-faint: #b0aba4;
  --accent: #c8501a;
  --accent-light: #f0e8e2;
  --border: #ddd8d0;
  --mono: 'DM Mono', monospace;
  --serif: 'EB Garamond', Georgia, serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(247,245,240,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

nav .inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .logo {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
}

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

nav a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav a:hover { color: var(--accent); }

/* Hero */
#hero {
  padding: 130px 0 80px;
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 3rem;
  align-items: start;
}

.hero-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}

h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-bio {
  font-size: 1.25rem;
  color: var(--ink-muted);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Avatar placeholder */
.avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  margin-top: 70%;
}

.avatar-initials {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--ink-muted);
  letter-spacing: -0.02em;
}

.avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px dashed var(--border);
}

/* Section Base */
section {
  padding: 20px 0;
  /* border-top: 1px solid var(--border); */
}

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

h2 {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

/* Updates */
.updates-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.update-item {
  display: flex;
  gap: 2.5rem;
  align-items: baseline;
  padding: 0.0rem 0;
  /* border-bottom: 1px solid var(--border); */
}

/* .update-item:first-child { border-top: 1px solid var(--border); } */

.update-date {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  text-transform: uppercase;
  white-space: nowrap;
  min-width: 60px;
}

.update-text {
  font-size: 1rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* Research Path */
.research-path-img {
  width: 100%;
  height: auto;
  display: block;
  /* border: 1px solid var(--border); */
}


.pub-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pub-item {
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 1.2rem;
  align-items: center;
  transition: background 0.15s;
  cursor: default;
}

/* .pub-item:first-child { border-top: 1px solid var(--border); } */

.pub-image {
    width: 200px;
    height: 120px;
    border: 1px solid var(--border);
    background: var(--surface);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    grid-column: 2;
    grid-row: 1;
}

.pub-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background-color: white;
    padding-left: 10px;
    padding-right: 10px;
    box-sizing: border-box; 
}

.pub-image-placeholder {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-faint);
    text-align: center;
    line-height: 1.6;
}

@media (max-width: 620px) {
    .pub-item { grid-template-columns: 1fr; }
    .pub-image { display: none; }
}


.pub-title {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.3rem;
  line-height: 1.4;
}

.pub-authors {
  font-size: 1rem;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
  font-style: italic;
}

.pub-authors strong {
  font-style: normal;
  color: var(--ink);
  font-weight: 500;
}

.cofirst-marker {
  color: #ff0000;
}

.pub-venue {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.2rem 0.6rem;
  margin-right: 0.5rem;
}

.pub-year {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.pub-links {
  margin-top: 0.6rem;
  display: flex;
  gap: 0.8rem;
}

.pub-link {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}

.pub-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* CV Section */
.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.cv-block h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.4rem;
}

.cv-entry {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

/* .cv-entry:first-of-type { border-top: 1px solid var(--border); } */

.cv-year {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.cv-role {
  font-weight: 500;
  font-size: 0.95rem;
}

.cv-place {
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-style: italic;
}

/* Contact */
#contact {
  padding-bottom: 100px;
}

.contact-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-text {
  font-size: 1.1rem;
  color: var(--ink-muted);
  max-width: 380px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
}

.contact-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}

.contact-link:hover { color: var(--accent); }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}

footer .inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.7s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.15s; }
.fade-in:nth-child(3) { animation-delay: 0.25s; }
.fade-in:nth-child(4) { animation-delay: 0.35s; }

/* Responsive */
@media (max-width: 620px) {
  #hero { grid-template-columns: 1fr; }
  .avatar { display: none; }
  .interests-grid { grid-template-columns: 1fr; }
  .cv-grid { grid-template-columns: 1fr; }
  .contact-inner { flex-direction: column; }
  .contact-links { align-items: flex-start; }
}