* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Apple SD Gothic Neo", "Noto Sans KR", "Helvetica Neue",
    Arial, sans-serif;
  color: #111827;
  background: #ffffff;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 20px;
}

.brand .name {
  font-weight: 700;
  font-size: 20px;
}

.brand .subtitle {
  font-size: 14px;
  color: #6b7280;
}

.nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  margin-right: 16px;
}

.nav a {
  color: #374151;
  padding: 6px 10px;
  border-radius: 999px;
}

.nav a:hover {
  background: #f3f4f6;
}

.hero {
  padding: 80px 0 64px;
  background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: center;
}

.profile-photo-wrapper {
  width: 168px;
  height: 168px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: #ffffff;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.profile-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

h1 {
  font-size: 20px;
  margin: 0 0 12px;
}

.lead {
  font-size: 18px;
  color: #374151;
  margin: 0 0 20px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn.primary {
  background: #111827;
  color: #ffffff;
}

.btn.primary:hover {
  background: #1f2937;
}

.btn.ghost {
  border-color: #e5e7eb;
  color: #111827;
  background: #ffffff;
}

.btn.ghost:hover {
  background: #f9fafb;
}

.hero-card {
  padding: 20px;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.card-title {
  font-weight: 700;
  margin-bottom: 10px;
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.link-list li {
  margin-bottom: 6px;
}

.link-list a {
  color: #2563eb;
}

.note {
  font-size: 13px;
  color: #6b7280;
}

.section {
  padding: 64px 0;
}

.section h2 {
  font-size: 28px;
  margin: 0 0 16px;
}

.section-note {
  color: #6b7280;
  margin-top: -4px;
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.news-year {
  display: block;
  font-weight: 700;
  font-size: 22px;
  margin-top: 16px;
  margin-bottom: 6px;
}

.news-date {
  display: inline-block;
  min-width: 64px;
  font-weight: 600;
  color: #111827;
}

.news-text {
  color: #374151;
}

.muted {
  background: #f9fafb;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.panel {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
}

.stats-panel {
  max-width: 520px;
}

.stats-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.stats-title {
  font-weight: 700;
}

.stats-note {
  font-size: 12px;
  color: #6b7280;
}

.stats-metrics {
  display: flex;
  gap: 24px;
  margin: 6px 0 6px;
}

.stats-badge {
  margin: 8px 0 6px;
}

.stats-badge img {
  display: inline-block;
  height: 22px;
}

.stats-item {
  min-width: 120px;
}

.stats-value {
  font-size: 28px;
  font-weight: 700;
}

.stats-label {
  font-size: 12px;
  color: #6b7280;
}

.stats-footnote {
  font-size: 12px;
  color: #9ca3af;
  margin-top: 6px;
}

.panel h3 {
  margin-top: 0;
  font-size: 18px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span {
  background: #111827;
  color: #ffffff;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
}

.pub-year {
  margin: 28px 0 12px;
  font-weight: 700;
  font-size: 20px;
  color: #111827;
}

.pub-list {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: grid;
  gap: 16px;
}

.pub-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
}

.pub-figure {
  width: 140px;
  height: 100px;
  border-radius: 10px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.pub-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pub-figure-fallback {
  display: none;
  font-size: 12px;
  color: #6b7280;
  letter-spacing: 0.02em;
}

.pub-figure.missing .pub-figure-fallback {
  display: inline-flex;
}

.pub-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pub-title {
  font-weight: 700;
}

.pub-meta {
  color: #6b7280;
  font-size: 14px;
}

.pub-meta sup {
  font-size: 0.7em;
  vertical-align: super;
}

.pub-links {
  font-size: 14px;
  margin-top: 6px;
}

.inline-link {
  color: #2563eb;
}

.dot {
  margin: 0 6px;
  color: #9ca3af;
}

.contact-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.site-footer {
  border-top: 1px solid #e5e7eb;
  padding: 24px 0 40px;
  font-size: 13px;
  color: #6b7280;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 18px;
  }

  .pub-item {
    grid-template-columns: 1fr;
  }

  .pub-figure {
    width: 100%;
    height: 160px;
  }
}
