@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

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

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #222222;
  background: #ffffff;
}

/* ── Layout ───────────────────────────────────────────── */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* ── Navigation ───────────────────────────────────────── */
nav {
  margin-bottom: 3rem;
}

nav a {
  margin-right: 1.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ── Typography ───────────────────────────────────────── */
h1 {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #e5e5e5;
}

p {
  margin-bottom: 1rem;
  color: #222222;
}

/* ── Links ────────────────────────────────────────────── */
a {
  color: #3b5f8a;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ── Profile block ────────────────────────────────────── */
.profile {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.profile img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.profile-text .title {
  color: #666666;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

/* ── Research list ────────────────────────────────────── */
.paper {
  margin-bottom: 1.5rem;
}

.paper .paper-title {
  font-weight: 600;
  color: #222222;
}

.paper .paper-meta {
  color: #666666;
  font-size: 0.9rem;
}

/* ── Footer ───────────────────────────────────────────── */
footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e5e5e5;
  font-size: 0.85rem;
  color: #666666;
}