:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-soft: #edf3ff;
  --line: #dfe8f6;
  --text: #1d2433;
  --muted: #5e6b7f;
  --primary: #2348c5;
  --primary-strong: #1737a1;
  --accent: #4cb5ff;
  --shadow: 0 22px 42px rgba(25, 40, 75, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 100%);
  color: var(--text);
}

img {
  max-width: 100%;
  display: block;
}

 a {
  color: var(--primary);
  text-decoration: none;
}

 a:hover {
  text-decoration: underline;
}

.page-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
}

.hero-text,
.panel,
.profile-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-text {
  padding: 40px 32px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.1;
}

.affiliation {
  margin: 16px 0 12px;
  font-size: 1.08rem;
  color: var(--muted);
  font-weight: 600;
}

.intro {
  margin: 0;
  max-width: 560px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
}

.profile-card {
  padding: 20px;
}

.profile-image {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 220px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--panel-soft), #dfeaff);
  border: 1px solid var(--line);
  color: var(--primary-strong);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.meta-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 14px;
}

.meta-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
  align-items: start;
  font-size: 0.96rem;
  line-height: 1.6;
}

.label {
  color: var(--muted);
  font-weight: 700;
}

.content {
  display: grid;
  gap: 22px;
}

.panel {
  padding: 28px 30px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 1.35rem;
}

.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: 1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  color: var(--primary-strong);
  font-weight: 600;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}

.timeline li {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 18px;
  padding-top: 2px;
}

.year {
  display: inline-block;
  color: var(--primary);
  background: #edf3ff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  font-weight: 700;
  text-align: center;
}

.timeline h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.timeline p {
  margin: 0;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 24px 16px 48px;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-text,
  .panel {
    padding: 22px 18px;
  }

  .meta-list li,
  .timeline li {
    grid-template-columns: 1fr;
  }

  .year {
    width: fit-content;
  }
}