:root{
  --bg:#f6f8ff;
  --panel: rgba(255,255,255,0.78);
  --panel2: rgba(255,255,255,0.88);
  --text:#0b1020;
  --muted: rgba(11,16,32,0.68);
  --line: rgba(11,16,32,0.12);
  --accent:#0077ff;       /* crisp RF blue */
  --accent2:#7c3aed;      /* violet */
  --ok:#16a34a;
  --shadow: 0 14px 36px rgba(16,24,40,.12);
  --radius: 18px;
  --max: 1120px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

*{box-sizing:border-box}
html,body{min-height:100%}
body{
  min-height:100vh;
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(900px 520px at 10% 10%, rgba(0,119,255,.14), transparent 60%),
    radial-gradient(760px 520px at 85% 12%, rgba(124,58,237,.10), transparent 58%),
    radial-gradient(900px 520px at 50% 110%, rgba(0,119,255,.08), transparent 55%),
    var(--bg);
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}

.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(246,248,255,.75);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  min-width: 220px;
}
.logo{
  width:34px; height:34px; border-radius:10px;
  background:
    linear-gradient(135deg, rgba(0,119,255,.92), rgba(124,58,237,.78));
  box-shadow: 0 10px 24px rgba(0,119,255,.16);
  position:relative;
  overflow:hidden;
}
.logo:after{
  content:"";
  position:absolute; inset:-50%;
  background: repeating-linear-gradient(
    90deg,
    rgba(255,255,255,.08) 0 8px,
    transparent 8px 18px
  );
  transform: rotate(10deg);
}
.brand .title{
  display:flex; flex-direction:column; line-height:1.15;
}
.brand .title b{font-size: 16px; letter-spacing:.2px}
.brand .title span{
  font-size:12px; color: var(--muted);
  font-family: var(--mono);
}

.menu{
  display:flex; gap: 10px; flex-wrap:wrap; justify-content:flex-end;
}
.menu a{
  padding: 9px 11px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 13px;
  transition: .18s ease;
}
.menu a:hover{
  color: var(--text);
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.10);
}
.menu a.active{
  color: var(--text);
  border-color: rgba(0,119,255,.30);
  background: linear-gradient(135deg, rgba(0,119,255,.10), rgba(124,58,237,.08));
}

.hamburger{
  display:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-radius: 12px;
  padding: 9px 11px;
  cursor:pointer;
}

.hero{
  padding: 64px 0 28px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 18px;
  align-items:stretch;
}
.card{
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card{
  padding: 28px;
  position:relative;
  overflow:hidden;
}
.hero-card:before{
  content:"";
  position:absolute; inset:-40%;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,119,255,.16), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(124,58,237,.10), transparent 60%);
  filter: blur(1px);
}
.hero-card > *{position:relative}
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,119,255,.22);
  background: rgba(0,119,255,.06);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}
.kicker i{
  width:7px; height:7px; border-radius:50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,119,255,.12);
  display:inline-block;
}
h1{
  margin: 14px 0 10px;
  font-size: 34px;
  letter-spacing: -0.4px;
}
.subtitle{
  margin:0;
  color: var(--muted);
  max-width: 100ch;
  line-height:1.55;
}
.hero-actions{
  margin-top: 18px;
  display:flex; gap: 10px; flex-wrap:wrap;
}
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-size: 13px;
  transition: .18s ease;
}
.btn:hover{
  transform: translateY(-1px);
  border-color: rgba(0,119,255,.30);
  background: rgba(255,255,255,.08);
}
.btn.primary{
  border-color: rgba(0,119,255,.32);
  background: linear-gradient(135deg, rgba(0,119,255,.12), rgba(167,139,250,.12));
}
.btn .chip{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.side-card{
  padding: 18px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap: 12px;
}
.side-card h3{
  margin:0;
  font-size: 14px;
  letter-spacing:.2px;
}
.list{
  display:grid; gap: 10px;
  margin-top: 6px;
}
.item{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.item b{font-size: 12px}
.item span{
  display:block;
  margin-top: 3px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
}

.section{
  padding: 22px 0 60px;
}
.section h2{
  margin:0 0 12px;
  font-size: 20px;
}
.section p{
  margin: 0 0 14px;
  color: var(--muted);
  line-height:1.65;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.grid-2{grid-template-columns: repeat(2, 1fr)}
.grid-4{grid-template-columns: repeat(4, 1fr)}

.tile{
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
}
.tile h3{margin:0 0 6px; font-size: 15px}
.tile p{margin:0; color: var(--muted); font-size: 13px; line-height:1.55}

.badges{
  display:flex; flex-wrap:wrap; gap: 8px;
  margin-top: 10px;
}
.badge{
  font-size: 12px;
  font-family: var(--mono);
  padding: 6px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--muted);
}

.equip-card{
  overflow:hidden;
  padding:0;
}
.equip-img{
  width:100%;
  height: 170px;
  object-fit: cover;
  display:block;
  background: rgba(255,255,255,.06);
  border-bottom: 1px solid var(--line);
}
.equip-body{
  padding: 14px 14px 16px;
}
.equip-body h3{margin:0 0 6px; font-size: 15px}
.equip-body .meta{
  display:flex; gap:10px; flex-wrap:wrap;
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}
.equip-body p{margin: 10px 0 0; font-size: 13px}

.footer{
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  padding: 18px 0;
  color: var(--muted);
  font-size: 12px;
}
.footer-inner{
  display:flex; justify-content:space-between; align-items:center;
  gap: 12px; flex-wrap:wrap;
}
.footer .mono{font-family: var(--mono)}

.page-head{
  padding: 34px 0 14px;
}
.page-head h1{font-size: 26px; margin: 0 0 6px}
.page-head p{margin:0; color: var(--muted); line-height:1.6}

.hr{
  height:1px;
  background: var(--line);
  margin: 16px 0 18px;
}

@media (max-width: 960px){
  .hero-grid{grid-template-columns:1fr; }
  .grid{grid-template-columns: repeat(2, 1fr)}
  .grid-4{grid-template-columns: repeat(2, 1fr)}
}
@media (max-width: 720px){
  .menu{display:none}
  .hamburger{display:inline-flex}
  .menu.open{
    display:grid;
    grid-template-columns: 1fr 1fr;
    width:100%;
    padding: 12px 0 4px;
    border-top: 1px solid var(--line);
    margin-top: 8px;
  }
  .nav-inner{flex-wrap:wrap}
  .grid{grid-template-columns: 1fr}
  .grid-2{grid-template-columns: 1fr}
  .grid-4{grid-template-columns: 1fr}
}

/* People cards (Members / Professor) */
.people-grid {
  display: grid;
  /* [핵심 수정] 3열(repeat 3)을 1열(1fr)로 변경하여 가로로 꽉 차게 만듭니다 */
  grid-template-columns: 1fr; 
  gap: 16px; /* 카드 사이 간격을 조금 늘림 */
}

.person-card {
  padding: 20px; /* 카드가 커진 만큼 내부 여백도 조금 늘리는 것을 추천 */
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  display: flex;
  gap: 20px; /* 사진과 텍스트 사이 간격을 넓힘 */
  align-items: flex-start; /* 텍스트 양이 적어도 위쪽 정렬 유지 */
}

.avatar {
  /* [선택 수정] 가로로 긴 카드에서는 58px이 작아 보일 수 있어 80~100px 정도로 키우는 것을 추천합니다 */
  width: 150px;  
  height: 200px;
  border-radius: 12px; /* 크기에 맞춰 라운드 조정 */
  object-fit: cover;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.04);
  flex: 0 0 auto; /* 이미지가 찌그러지지 않게 고정 */
}

.person-body {
  min-width: 0;
  flex: 1; /* [추가] 텍스트 영역이 남은 가로 공간을 모두 차지하게 함 */
}

.person-body h3 {
  margin: 0 0 6px; /* 제목 아래 간격 약간 조정 */
  font-size: 16px; /* 폰트 크기 약간 키움 (선택) */
  font-weight: 600;
}

.person-body .role {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
  font-family: var(--mono);
}

.person-body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6; /* 줄 간격을 조금 넓혀 가독성 확보 */
}

.section-title{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 10px;
  margin: 16px 0 10px;
}
.section-title h2{margin:0}
.section-title span{
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
}

.professor-wrap{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 14px;
}
.prof-photo{
  width:100%;
  height:auto;
  max-height: 360px;
  border-radius: calc(var(--radius) - 6px);
  object-fit: contain;
  display:block;
  background: rgba(0,0,0,0.00);
}

.list-block{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
}
.list-block h3{margin:0 0 10px; font-size: 15px}
.list-block ul{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}
.list-block li{margin: 6px 0}

@media (max-width: 960px){
  .people-grid{grid-template-columns: 1fr}
  .professor-wrap{grid-template-columns: 1fr}
  .prof-photo{height: 280px}
}
@media (max-width: 720px){
  .people-grid{grid-template-columns: 1fr}
}


/* About sections with 3 images */
.about-block{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
  margin-bottom: 14px;
}
.about-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.about-head h3{margin:0; font-size: 16px}
.about-head .sub{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.img-row{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}
.img-row img{
  width:100%;
  height: 200px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.04);
}
.pub-year{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
  margin-bottom: 14px;
}
.pub-year h3{margin:0 0 10px; font-size: 16px}
.pub-list{
  margin:0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}
.pub-list li{margin: 8px 0}
.pub-korean{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px;
}
.pub-korean h3{margin:0 0 10px; font-size: 16px}
@media (max-width: 720px){
  .img-row{grid-template-columns: 1fr}
  .img-row img{height: 180px}
}


/* Research project list */
.project-list{
  display:flex;
  flex-direction:column;
  gap: 12px;
}
.project-card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}
.project-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
  margin-bottom: 8px;
}
.project-title{
  margin:0;
  font-size: 16px;
  letter-spacing: .2px;
}
.project-meta{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 6px 12px;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}
.project-meta .k{
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(11,16,32,0.55);
  text-transform: uppercase;
  letter-spacing: .6px;
}
.project-meta .v{
  font-size: 14px;
  color: rgba(11,16,32,0.72);
}
.project-desc{
  margin: 8px 0 0;
  color: rgba(11,16,32,0.72);
  line-height: 1.6;
}
@media (max-width: 720px){
  .project-meta{grid-template-columns: 1fr}
}


/* Notice (Home) */
.notice-wrap{
  padding: 22px 0 70px;
  margin-bottom: 20px;
}

.notice-card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin-bottom: 30px;
}
.notice-item{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap: 10px 14px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(11,16,32,0.12);
}
.notice-item:last-child{border-bottom:none;padding-bottom:0}
.notice-date{
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(11,16,32,0.55);
  letter-spacing: .3px;
}
.notice-title{
  margin:0;
  font-size: 14px;
  color: rgba(11,16,32,0.82);
  line-height: 1.55;
}
.notice-title a{
  color: inherit;
  text-decoration: none;
}
.notice-title a:hover{
  text-decoration: underline;
}
.notice-desc{
  margin: 4px 0 0;
  font-size: 13px;
  color: rgba(11,16,32,0.68);
  line-height: 1.55;
}
@media (max-width: 720px){
  .notice-item{grid-template-columns: 1fr}
}


/* Publication sections */
.pub-section{
  margin-top: 18px;
  padding-top: 2px;
}
.pub-section > h2{
  font-size: 18px;
  margin: 0 0 8px;
}
.pub-subhead{
  margin: 18px 0 8px;
  font-size: 13px;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: rgba(11,16,32,0.55);
  font-family: var(--mono);
}
.pub-divider{
  height: 1px;
  background: rgba(11,16,32,0.10);
  margin: 14px 0;
}
.pub-note{
  color: rgba(11,16,32,0.65);
  font-size: 13px;
  line-height: 1.6;
}


/* Professor photo frame (avoid cropping) */
.prof-photo-frame{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.02);
  padding: 14px;
}


.media-fig{ margin:0; }
.media-cap{
  margin-top: 8px;
  font-size: 13px;
  color: rgba(11,16,32,0.65);
  text-align: center;
}