@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;1,400&family=DM+Sans:wght@300;400;500&family=DM+Mono:wght@400&display=swap');

:root {
  --ink: #1a1a2e;
  --ink-light: #4a4a6a;
  --ink-muted: #8888aa;
  --accent: #2a5caa;
  --accent-warm: #c05a2a;
  --accent-green: #5a8a5a;
  --bg: #f7f6f2;
  --bg-card: #ffffff;
  --border: #e0ddd5;
  --border-strong: #c8c4b8;
  --nav-h: 60px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  background: var(--bg);
  color: var(--ink);
  font-size: 15.5px;
  line-height: 1.7;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(247,246,242,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; width: 100%;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-name {
  font-family: 'Lora', serif;
  font-size: 1rem; font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
  text-decoration: none;
}
.nav-links { display: flex; gap: 1.8rem; list-style: none; }
.nav-links a {
  text-decoration: none;
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-light);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

/* ── LAYOUT ── */
.page { padding-top: var(--nav-h); }
section { max-width: 1100px; margin: 0 auto; padding: 5rem 2rem; }
section + section { border-top: 1px solid var(--border); }

/* ── SEC HEADER ── */
.sec-header { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.5rem; }
.sec-header h2 { font-family: 'Lora', serif; font-size: 1.6rem; font-weight: 600; color: var(--ink); }
.sec-header .sec-line { flex: 1; height: 1px; background: linear-gradient(to right, var(--border-strong), transparent); }

/* ── PUB ITEMS ── */
.pub-group { margin-bottom: 3rem; }
.pub-group-title {
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  font-weight: 500; font-family: 'DM Mono', monospace;
  color: var(--ink-muted); margin-bottom: 1.2rem;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
}
.pub-item {
  display: grid; grid-template-columns: 42px 1fr;
  gap: 0 1.2rem; padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.pub-item:last-child { border-bottom: none; }
.pub-year { font-family: 'DM Mono', monospace; font-size: 0.75rem; color: var(--ink-muted); padding-top: 0.15rem; }
.pub-item.preprint .pub-year { color: var(--accent-warm); }
.pub-title { font-size: 0.9rem; font-weight: 500; color: var(--ink); line-height: 1.4; margin-bottom: 0.2rem; }
.pub-authors { font-size: 0.8rem; color: var(--ink-muted); margin-bottom: 0.2rem; }
.pub-authors strong { color: var(--ink-light); font-weight: 500; }
.pub-venue { font-size: 0.8rem; color: var(--ink-light); font-style: italic; margin-bottom: 0.35rem; }
.pub-links { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.pub-link {
  display: inline-block; font-size: 0.72rem; letter-spacing: 0.04em;
  font-family: 'DM Mono', monospace; padding: 0.15rem 0.5rem;
  border: 1px solid var(--border-strong); border-radius: 2px;
  color: var(--accent); text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.pub-link:hover { background: var(--accent); color: white; border-color: var(--accent); }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border); padding: 2rem;
  text-align: center; font-size: 0.78rem; color: var(--ink-muted);
}
footer a { color: var(--accent); text-decoration: none; }

@media (max-width: 780px) {
  .nav-links { display: none; }
  section { padding: 3rem 1.2rem; }
}