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

body {
  font-family: 'Georgia', serif;
  font-size: 16px;
  color: #222;
  background: #fff;
  line-height: 1.7;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 0.75rem 1rem;
  z-index: 100;
  font-family: sans-serif;
  font-size: 0.9rem;
}
nav a {
  text-decoration: none;
  color: #555;
  transition: color 0.2s;
}
nav a:hover, nav a.active { color: #000d9b; font-weight: bold; }

/* ── LAYOUT ── */
main {
  max-width: 780px;
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
}

/* ── HEADER ── */
.profile {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
}
.profile img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 2px solid #e0e0e0;
  flex-shrink: 0;
}
.profile-info h1 {
  font-size: 1.9rem;
  font-weight: normal;
  margin-bottom: 0.2rem;
}
.profile-info .subtitle {
  color: #555;
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.links a {
  display: inline-block;
  padding: 3px 12px;
  background: #000d9b;
  color: #fff;
  border-radius: 5px;
  text-decoration: none;
  font-family: sans-serif;
  font-size: 0.82rem;
  font-weight: 100;
}
.links a:hover { background: #0010c9; }

/* ── SECTIONS ── */
section {
  margin-top: 3rem;
  scroll-margin-top: 4.5rem;
}
section h2 {
  font-size: 1.2rem;
  font-weight: bold;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.3rem;
  margin-bottom: 1.2rem;
  letter-spacing: 0.02em;
}

/* ── ABOUT ── */
.inline-link {
  color: #000d9b;
  text-decoration: none;
}
.interest-list {
  margin-top: 0.5rem;
  padding-left: 1.4rem;
  font-size: 0.95rem;
}
.interest-list li:not(:last-child) { margin-bottom: 0.5rem; }

/* ── NEWS ── */
.news-list {
  max-height: 9.5rem;         /* JS 미동작 시 폴백 — 평소엔 main.js가 실측해서 덮어씀 */
  overflow-y: auto;
  padding-right: 0.6rem;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #d8d8d8 transparent;
}
.news-list::-webkit-scrollbar { width: 6px; }
.news-list::-webkit-scrollbar-track { background: transparent; }
.news-list::-webkit-scrollbar-thumb {
  background: #d8d8d8;
  border-radius: 3px;
}
.news-list::-webkit-scrollbar-thumb:hover { background: #bbb; }

.news-item {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 0.6rem;
  font-size: 0.93rem;
}
.news-item .date {
  color: #888;
  white-space: nowrap;
  font-family: sans-serif;
  min-width: 80px;
}

/* ── EDUCATION / EXPERIENCE ── */
.entry {
  margin-bottom: 1.2rem;
}
.entry .meta {
  font-family: sans-serif;
  font-size: 0.85rem;
  color: #888;
}
.entry strong { font-size: 1rem; }
.entry .sub {
  font-size: 0.9rem;
  color: #555;
}
.entry .bullets {
  margin-top: 0.4rem;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  color: #444;
}

/* ── PROJECTS / PUBLICATIONS ── */
.project {
  margin-bottom: 1.4rem;
}
.project .title {
  font-weight: bold;
}
.project .desc {
  font-size: 0.93rem;
  color: #444;
}
.project .tag {
  display: inline-block;
  font-family: sans-serif;
  font-size: 0.78rem;
  background: #f0f0f0;
  border-radius: 3px;
  padding: 1px 7px;
  margin-right: 4px;
  color: #555;
}
.project .tag-inline {
  margin-right: 0;
  margin-left: 2px;
}
.project a {
  font-family: sans-serif;
  font-size: 0.82rem;
  color: #000d9b;
  text-decoration: none;
  margin-right: 8px;
}
.project a:hover { text-decoration: underline; }

.footnote {
  font-family: sans-serif;
  font-size: 0.82rem;
  color: #888;
  margin-top: -0.5rem;
  margin-bottom: 0.8rem;
}

footer {
  margin-top: 4rem;
  text-align: center;
  font-family: sans-serif;
  font-size: 0.8rem;
  color: #aaa;
  padding-bottom: 2rem;
}