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

:root {
  --bg:      #f5f3ef;
  --card:    #fdfcfa;
  --text:    #1c1a17;
  --text2:   #6b6560;
  --text3:   #a09890;
  --accent:  #1f55d6;       /* clearly blue */
  --warm:    #9e7a4a;       /* camel / saddle brown */
  --border:  #e4e0d9;
  --max:     760px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ─── nav ─── */
nav {
  position: sticky; top: 0;
  background: rgba(245, 243, 239, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 50px;
}
.nav-name {
  font-family: 'EB Garamond', 'Times New Roman', Georgia, serif;
  font-weight: 400;
  font-size: .95rem;
  color: var(--text);
  letter-spacing: .01em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
nav ul { list-style: none; display: flex; gap: 1.8rem; }
nav a {
  text-decoration: none;
  color: var(--text2);
  font-size: .8rem;
  font-weight: 400;
  letter-spacing: .04em;
  text-transform: lowercase;
  transition: color .15s;
}
nav a:hover { color: var(--accent); }
nav a.active { color: var(--text); }

/* ─── divider ─── */
.divider { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }

/* ─── section label ─── */
.section-label {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 2rem;
}

/* ─── pills (external links) ─── */
.hero-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.link-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 400;
  color: var(--text2);
  text-decoration: none;
  background: var(--card);
  transition: border-color .15s, color .15s, background .15s;
  letter-spacing: .01em;
}
.link-pill:hover { border-color: var(--accent); color: var(--accent); }
.link-pill.primary { border-color: var(--accent); color: var(--accent); }
.link-pill.primary:hover { background: var(--accent); color: #fff; }

/* ─── research card ─── */
.paper {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.paper:first-of-type { border-top: 1px solid var(--border); }
.paper-title {
  font-family: 'EB Garamond', 'Times New Roman', Georgia, serif;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: .35rem;
  text-decoration: none;
  display: block;
}
.paper-title:hover { color: var(--accent); }
.paper-venue { font-size: .8rem; color: var(--text3); font-style: italic; }
.paper-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: .8rem;
  color: var(--text3);
  text-align: right;
  padding-top: .15rem;
}
.paper-tags { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .6rem; }
.tag {
  font-size: .68rem;
  padding: .15rem .55rem;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text3);
  letter-spacing: .02em;
}
.tag.hl { background: var(--bg); border-color: #a8a098; color: var(--text2); }

/* ─── personal block ─── */
.personal-block { max-width: 580px; }
.personal-block p {
  font-family: 'EB Garamond', 'Times New Roman', Georgia, serif;
  font-size: 1.13rem;
  line-height: 1.85;
  color: var(--text2);
  margin-bottom: 1.1rem;
}
.personal-block p:last-child { margin-bottom: 0; }
.personal-block p strong { color: var(--text); font-weight: 500; }

/* ─── interests grid ─── */
.interests {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1.5rem;
}
.interest-cell { background: var(--card); padding: 1.4rem 1.2rem; }
.interest-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  color: var(--text3);
  margin-bottom: .5rem;
}
.interest-name {
  font-family: 'EB Garamond', 'Times New Roman', Georgia, serif;
  font-weight: 400;
  font-size: .95rem;
  color: var(--text);
  line-height: 1.35;
}
.interest-desc { font-size: .78rem; color: var(--text3); margin-top: .35rem; line-height: 1.55; }

/* ─── footer ─── */
footer { padding: 3rem 0 4rem; font-size: .78rem; color: var(--text3); }
footer a { color: var(--text3); text-decoration: none; }
footer a:hover { color: var(--text2); }

/* ─── reveal ─── */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 600px) {
  .hero h1 { font-size: 2.5rem; }
  .interests { grid-template-columns: 1fr; }
  .paper { grid-template-columns: 1fr; }
  .paper-year { text-align: left; }
  nav ul { gap: 1rem; }
}