/* ══════════════════════════════════════════════════════════════
   Lab Website — Design System
   수정 시 주의: 색을 바꾸려면 아래 :root 의 --accent 하나만 바꾸세요.
   ══════════════════════════════════════════════════════════════ */

:root{
  /* ── 색 ────────────────────────────────────────────────── */
  --paper:#F4F3F0;          /* 기본 배경 (따뜻한 오프화이트) */
  --paper-2:#EAE8E3;        /* 섹션 교차 배경 */
  --ink:#0C0D0F;            /* 본문 검정 */
  --ink-2:#6E7278;          /* 보조 텍스트 */
  --ink-3:#A0A3A8;          /* 흐린 텍스트 */
  --line:#DCDAD4;           /* 선 */
  --dark:#151A1F;           /* 어두운 섹션 배경 */
  --dark-2:#20262C;
  --accent:#234F72;         /* 차분한 학술 네이비 */
  --accent-soft:#E3E9EE;

  /* ── 글꼴 ──────────────────────────────────────────────── */
  /* 모든 텍스트는 한글·영문을 함께 지원하는 하나의 글꼴을 사용합니다. */
  --font:'Pretendard',-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --display:var(--font);
  --serif:var(--font);
  --body:var(--font);
  --mono:var(--font);

  /* ── 간격 ──────────────────────────────────────────────── */
  --pad:clamp(20px,4.5vw,64px);
  --maxw:1360px;
  --sec-y:clamp(80px,10vw,160px);
  --header-h:114px;

  --ease:cubic-bezier(.22,1,.36,1);
}

/* ── 리셋 ────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
/* 고정 헤더 + 서브페이지 탭바 높이만큼 앵커 위치를 내려둡니다 */
html{scroll-behavior:smooth;scroll-padding-top:124px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  background:var(--paper);color:var(--ink);
  line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.sr-only{position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}
::selection{background:var(--accent);color:#fff}

/* ── 레이아웃 유틸 ───────────────────────────────────────── */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:var(--sec-y)}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--dark);color:#fff}

/* ── 공통 타이포 ─────────────────────────────────────────── */
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--accent);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:currentColor;opacity:.5;
}
.section--dark .eyebrow{color:#A7BECE}

.title{
  font-family:var(--display);font-weight:600;
  letter-spacing:-.035em;line-height:1.02;
  font-size:clamp(34px,5.6vw,68px);
}
.title em{font-family:inherit;font-style:normal;font-weight:700;letter-spacing:inherit}
.title .ac{color:var(--accent)}

/* 강조 문구는 글꼴을 바꾸지 않고 굵기로 구분합니다. */
em,.kr-em{font-family:inherit;font-style:normal;font-weight:700}
.kr-em{color:var(--accent)}
.section--dark .kr-em,.footer .kr-em,.pagehero .kr-em{color:#A7BECE}

.lede{
  color:var(--ink-2);max-width:60ch;
  font-size:clamp(15px,1.25vw,17.5px);line-height:1.75;
}
.section--dark .lede{color:rgba(255,255,255,.62)}
#join .lede{max-width:1000px}
#join .join-title{
  margin:22px auto 0;
  max-width:none;
  font-size:clamp(26px,3vw,40px);
  white-space:nowrap;
}

.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;flex-wrap:wrap;margin-bottom:clamp(36px,5vw,64px);
}
.sec-head .title{margin-top:18px}

/* 텍스트 링크 (밑줄이 좌→우로 그려짐) */
.tlink{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:9px;padding-bottom:5px;position:relative;
}
.tlink::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:right;
  transition:transform .5s var(--ease);
}
.tlink:hover::after{transform:scaleX(1);transform-origin:left}
.tlink .arw{transition:transform .4s var(--ease)}
.tlink:hover .arw{transform:translateX(4px)}

/* 버튼 */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--ink);color:var(--paper);
  padding:16px 28px;border-radius:100px;
  font-size:14px;font-weight:500;letter-spacing:-.01em;
  transition:background .35s var(--ease),transform .35s var(--ease);
}
.btn:hover{background:var(--accent);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ══════════════════════════════════════════════════════════
   헤더 / 네비게이션
   ══════════════════════════════════════════════════════════ */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  height:var(--header-h);
  transition:background .45s var(--ease),color .45s var(--ease),
             border-color .45s var(--ease),height .35s var(--ease);
  border-bottom:1px solid transparent;
  color:#fff;                         /* 히어로 위에서는 흰색 */
}
.header__inner{
  max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad);
  height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
/* 스크롤했거나 서브페이지일 때 */
.header.is-solid{
  background:rgba(244,243,240,.82);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom-color:var(--line);
  color:var(--ink);height:96px;
}

.logo{
  font-family:var(--display);font-weight:700;font-size:32px;
  letter-spacing:-.03em;display:flex;align-items:center;gap:16.5px;line-height:1;
}
.logo>span{display:flex;align-items:center;gap:13px;white-space:nowrap}
/* ★ 학교 마크. 남색 단색이라 어두운 히어로 위에서는 흰색으로 반전시킵니다. */
.logo__mark{
  height:48px;width:auto;flex:none;
  filter:brightness(0) invert(1);
  transition:filter .45s var(--ease),height .35s var(--ease);
}
.header.is-solid .logo__mark{filter:none;height:43.5px}
@media(max-width:640px){
  .logo__mark{height:28px}
  .header.is-solid .logo__mark{height:26px}
}
.logo small{
  display:block;font-family:var(--mono);font-size:12px;font-weight:500;
  letter-spacing:.14em;opacity:.58;margin-top:0;padding-left:13px;
  border-left:1px solid currentColor;text-transform:uppercase;
}

/* 데스크톱 메뉴 */
.nav{display:flex;align-items:center;gap:4px}
.nav__item{position:relative}
.nav__link{
  display:block;padding:15px 18px;font-size:18px;font-weight:500;letter-spacing:.01em;
  opacity:.82;transition:opacity .25s;
}
.nav__item:hover>.nav__link,.nav__link.is-active{opacity:1}
.nav__link.is-active{color:var(--accent)}
.header:not(.is-solid) .nav__link.is-active{color:#fff}

/* 드롭다운 */
.nav__sub{
  position:absolute;top:100%;left:6px;min-width:212px;
  background:var(--paper);color:var(--ink);
  border:1px solid var(--line);border-radius:14px;
  padding:8px;box-shadow:0 24px 48px -24px rgba(12,13,15,.28);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.nav__item:hover .nav__sub,.nav__item:focus-within .nav__sub{
  opacity:1;visibility:visible;transform:translateY(4px);
}
.nav__sub a{
  display:block;padding:10px 14px;border-radius:9px;
  font-size:13.5px;color:var(--ink-2);transition:background .2s,color .2s;
}
.nav__sub a:hover{background:var(--accent-soft);color:var(--accent)}

.header__cta{display:flex;align-items:center;gap:14px}
.header__cta .pill{
  font-family:var(--mono);font-size:14px;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid currentColor;border-radius:100px;padding:13.5px 22px;opacity:.7;
  transition:opacity .25s,background .25s,color .25s;
}
.header__cta .pill:hover{opacity:1;background:var(--accent);border-color:var(--accent);color:#fff}

/* 모바일 버거 */
.burger{display:none;width:44px;height:44px;position:relative;flex:none;margin-right:-10px}
.burger span{
  position:absolute;left:11px;width:22px;height:1.5px;background:currentColor;
  transition:transform .4s var(--ease),opacity .3s;
}
.burger span:nth-child(1){top:18px}
.burger span:nth-child(2){top:25px}
.is-menu-open .burger span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.is-menu-open .burger span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}

/* 모바일 오버레이 메뉴 */
.mnav{
  position:fixed;inset:0;z-index:90;background:var(--dark);color:#fff;
  padding:calc(var(--header-h) + 24px) var(--pad) 40px;
  overflow-y:auto;display:none;
}
.mnav.is-open{display:block;animation:mnavIn .45s var(--ease) both}
@keyframes mnavIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.mnav__group{border-bottom:1px solid rgba(255,255,255,.12);padding:6px 0}
.mnav__head{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;font-family:var(--display);font-size:26px;font-weight:600;letter-spacing:-.03em;
}
.mnav__head .plus{font-family:var(--mono);font-size:16px;opacity:.5;transition:transform .35s var(--ease)}
.mnav__group.is-open .plus{transform:rotate(45deg)}
.mnav__list{display:none;padding-bottom:14px}
.mnav__group.is-open .mnav__list{display:block}
.mnav__list a{
  display:block;padding:9px 0 9px 2px;font-size:15px;color:rgba(255,255,255,.6);
}
.mnav__list a:hover{color:#fff}
.mnav__foot{margin-top:36px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:rgba(255,255,255,.4)}

/* ══════════════════════════════════════════════════════════
   히어로 (메인)
   ══════════════════════════════════════════════════════════ */
.hero{
  position:relative;min-height:100svh;display:grid;place-items:center;
  background:var(--dark);color:#fff;overflow:hidden;text-align:center;
  padding:calc(var(--header-h) + 40px) var(--pad) 120px;
}
/* ★ 히어로 배경 사진. 다른 사진으로 바꾸려면 아래 url 만 교체하세요.
     (경로는 이 CSS 파일 기준이라 앞에 ../ 가 붙습니다) */
.hero__bg{
  position:absolute;inset:-10%;
  background:url("../images/main_image/main_image_1.png") center/cover no-repeat;
  background-color:#0C0D0F;
  filter:saturate(108%);
  animation:drift 26s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:scale(1.02) translate3d(0,0,0)}
  to{transform:scale(1.12) translate3d(-2%,-1.5%,0)}
}
/* 그레인 + 비네트 */
.hero__grain{
  position:absolute;inset:0;pointer-events:none;opacity:.28;mix-blend-mode:overlay;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}
/* 사진 위에서도 흰 글씨가 읽히도록 덮는 층.
   글씨가 잘 안 보이면 아래 숫자(.00~1)를 키우면 더 어두워집니다. */
.hero__veil{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(66% 56% at 50% 46%,rgba(8,9,11,.30) 0%,rgba(8,9,11,.78) 100%),
    linear-gradient(180deg,rgba(8,9,11,.55) 0%,rgba(8,9,11,.28) 32%,rgba(8,9,11,.45) 68%,rgba(8,9,11,.88) 100%);
}
.hero__inner{position:relative;z-index:2;max-width:1600px;width:100%}

/* 연구실 이름 — 화면 폭에 맞춰 한 줄로 꽉 차게.
   글자 크기를 vw 로 두면 창을 줄여도 항상 한 줄을 유지합니다.
   (700px 이하에서는 아래 미디어쿼리에서 두 줄로 바뀝니다) */
.hero h1{
  font-family:var(--display);font-weight:700;text-transform:uppercase;
  font-size:clamp(30px,4.3vw,84px);line-height:.94;letter-spacing:-.035em;white-space:nowrap;
}
/* 짧은 태그라인 */
.hero__sub{
  margin-top:clamp(20px,2.6vw,32px);font-size:clamp(17px,1.9vw,25px);
  color:rgba(255,255,255,.84);max-width:40ch;margin-inline:auto;
  line-height:1.5;letter-spacing:-.015em;
}
/* 소속 한 줄 */
.hero__kr{
  margin-top:clamp(14px,1.6vw,20px);font-family:var(--mono);font-size:11.5px;
  letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5);
}
/* 태그라인을 숨겨 제목 바로 아래에 올 때는 간격을 넓게 */
.hero h1 + .hero__kr{margin-top:clamp(20px,2.4vw,32px)}
.hero__tags{
  margin-top:clamp(30px,4vw,46px);display:flex;flex-wrap:wrap;gap:8px;justify-content:center;
}
.hero__tags span{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid rgba(255,255,255,.22);border-radius:100px;padding:8px 15px;
  color:rgba(255,255,255,.72);backdrop-filter:blur(6px);
}

/* 스크롤 인디케이터 */
.hero__scroll{
  position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;color:rgba(255,255,255,.5);
}
/* 마우스 모양 스크롤 표시 — 안쪽 점이 아래로 흘러내립니다 */
.hero__scroll .mouse{
  display:block;width:26px;height:42px;border-radius:14px;
  border:1.5px solid rgba(255,255,255,.55);position:relative;
  animation:mouseBob 2.6s ease-in-out infinite;
}
.hero__scroll .mouse .wheel{
  position:absolute;left:50%;top:8px;width:3px;height:7px;border-radius:2px;
  background:#fff;animation:wheelRun 1.9s var(--ease) infinite;
}
@keyframes wheelRun{
  0%   {opacity:0;transform:translate(-50%,-3px)}
  22%  {opacity:1}
  70%  {opacity:1;transform:translate(-50%,15px)}
  100% {opacity:0;transform:translate(-50%,18px)}
}
@keyframes mouseBob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* 히어로 등장 애니메이션 */
.reveal-line{display:block;overflow:hidden}
.reveal-line>span{
  display:block;transform:translateY(105%);
  animation:lineUp 1.05s var(--ease) forwards;
}
.reveal-line:nth-of-type(1)>span{animation-delay:.15s}
.reveal-line:nth-of-type(2)>span{animation-delay:.26s}
.reveal-line:nth-of-type(3)>span{animation-delay:.37s}
@keyframes lineUp{to{transform:translateY(0)}}
.fade-up{opacity:0;animation:fadeUp .9s var(--ease) forwards}
.fade-up.d1{animation-delay:.6s}.fade-up.d2{animation-delay:.75s}.fade-up.d3{animation-delay:.9s}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ══════════════════════════════════════════════════════════
   인트로 (한 문장 + 스탯)
   ══════════════════════════════════════════════════════════ */
.intro{display:grid;grid-template-columns:1fr;gap:clamp(40px,5vw,72px)}
.intro__lead{
  font-family:var(--display);font-weight:500;letter-spacing:-.03em;line-height:1.24;
  font-size:clamp(22px,3.1vw,42px);max-width:22ch;
}
.intro__lead em{font-family:inherit;font-style:normal;font-weight:700}
.intro__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border-block:1px solid var(--line);
}
.stat{background:var(--paper);padding:26px 24px 30px}
.section--alt .stat{background:var(--paper-2)}
.stat b{
  display:block;font-family:var(--display);font-weight:600;
  font-size:clamp(30px,3.6vw,46px);letter-spacing:-.04em;line-height:1;
}
.stat span{
  display:block;margin-top:10px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);
}

/* ══════════════════════════════════════════════════════════
   리서치 카드
   ══════════════════════════════════════════════════════════ */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.2vw,30px)}
.card{display:block}
.card__media{
  position:relative;aspect-ratio:4/5;overflow:hidden;border-radius:16px;
  background:var(--paper-2);
}
/* 배지(.card__no)는 제외하고 사진만 채웁니다 */
.card__media>img,.card__media>.ph,.card__media>video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1.1s var(--ease),filter .6s var(--ease);
}
.card:hover .card__media>img,
.card:hover .card__media>.ph,
.card:hover .card__media>video{transform:scale(1.06)}
.card__no{
  position:absolute;z-index:2;left:18px;top:16px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:#fff;
  background:rgba(12,13,15,.42);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.2);border-radius:100px;padding:7px 13px;
}
.card__body{padding:20px 4px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.card__title{
  font-family:var(--display);font-weight:600;font-size:clamp(19px,1.7vw,23px);
  letter-spacing:-.03em;line-height:1.24;
}
.card__kr{margin-top:8px;font-size:13.5px;color:var(--ink-2);line-height:1.6}
.card__arrow{
  flex:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:13px;
  transition:background .35s var(--ease),color .35s var(--ease),
             border-color .35s var(--ease),transform .35s var(--ease);
}
.card:hover .card__arrow{background:var(--accent);border-color:var(--accent);color:#fff;transform:rotate(-45deg)}

/* ══════════════════════════════════════════════════════════
   마퀴 띠
   ══════════════════════════════════════════════════════════ */
.marquee{
  overflow:hidden;background:var(--ink);color:var(--paper);
  padding-block:18px;border-block:1px solid var(--ink);
}
.marquee__track{display:flex;width:max-content;animation:mq 38s linear infinite}
.marquee__track>span{
  font-family:var(--display);font-weight:500;letter-spacing:-.02em;
  font-size:clamp(17px,2vw,26px);padding-inline:22px;display:inline-flex;align-items:center;gap:22px;
  white-space:nowrap;
}
.marquee__track>span::after{content:"✳";font-size:.6em;color:var(--accent);opacity:.9}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ══════════════════════════════════════════════════════════
   뉴스 리스트
   ══════════════════════════════════════════════════════════ */
.news{border-top:1px solid var(--line)}
.news__row{
  display:grid;grid-template-columns:180px 92px minmax(0,1fr) 100px;gap:clamp(18px,2.2vw,32px);align-items:center;
  padding:clamp(22px,2.8vw,34px) 8px;border-bottom:1px solid var(--line);
  position:relative;transition:padding-left .4s var(--ease),color .3s;
}
.news__row::before{
  content:"";position:absolute;inset:0;background:var(--ink);z-index:0;
  transform:scaleY(0);transform-origin:bottom;transition:transform .45s var(--ease);
  border-radius:12px;
}
.news__row>*{position:relative;z-index:1}
.news__row:hover{padding-left:28px;color:var(--paper)}
.news__row:hover::before{transform:scaleY(1);transform-origin:top}
.news__row:hover .news__date,.news__row:hover .news__cat{color:rgba(255,255,255,.6)}
.news__thumb{
  width:180px;aspect-ratio:3/2;border-radius:12px;overflow:hidden;flex-shrink:0;
  background:var(--paper-2);
  position:relative;z-index:1;
}
.news__thumb img{display:block;width:100%;height:100%;object-fit:cover}
.news__thumb--empty{background:transparent}
.news__thumb--video::after{content:"▶";position:absolute;left:50%;top:50%;z-index:2;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;transform:translate(-50%,-50%);padding-left:3px;background:rgba(12,13,15,.82);color:#fff;font-size:14px;box-shadow:0 5px 20px rgba(0,0,0,.24)}
.news__row--placeholder .news__thumb{background:var(--paper-2)}
.news__date{display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink-2);
  transition:color .3s}
.news__title{
  display:block;font-family:var(--display);font-weight:600;letter-spacing:-.025em;
  font-size:clamp(19px,1.8vw,25px);line-height:1.38;
}
.news--archive .news__title{font-size:clamp(17px,1.45vw,21px);line-height:1.45;word-break:keep-all;overflow-wrap:break-word;text-wrap:balance}
.news__title--single{white-space:nowrap;text-wrap:nowrap}
.news__excerpt{display:block;margin-top:10px;font-size:15px;line-height:1.65;color:var(--ink-2);max-width:82ch;transition:color .3s}
.news__row:hover .news__excerpt{color:rgba(255,255,255,.6)}
.news__cat{
  display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-2);text-align:right;transition:color .3s;
}
.news__cat small{display:block;margin-top:10px;font-size:9px;letter-spacing:.1em;opacity:.72}
.news__row--placeholder{pointer-events:none;color:var(--ink-3)}
.news__row--placeholder::before{display:none}
.news__row--placeholder .news__date,
.news__row--placeholder .news__cat,
.news__row--placeholder .news__excerpt{color:var(--ink-3)}
.news__row--placeholder .news__title{font-weight:450}

/* 뉴스 상세 페이지 */
.news-detail{padding:calc(var(--header-h) + clamp(56px,7vw,96px)) 0 var(--sec-y)}
.news-detail__back{margin-bottom:clamp(30px,4vw,52px)}
.news-detail__meta{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;color:var(--ink-2);text-align:center}
.news-detail__date{font-size:14px;letter-spacing:.06em}
.news-detail__category{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.news-detail__title{margin:18px auto 0;max-width:1100px;text-align:left;font-size:clamp(28px,3.6vw,48px);line-height:1.25;letter-spacing:-.035em;word-break:keep-all;overflow-wrap:break-word;text-wrap:pretty}
.news-detail__title--single{max-width:1200px;white-space:nowrap;text-wrap:nowrap;letter-spacing:-.025em}
.news-detail__gallery{width:100%;margin:clamp(34px,5vw,64px) auto 0;max-width:1200px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(14px,2vw,24px);align-items:stretch}
.news-detail__gallery--single{grid-template-columns:1fr}
.news-detail__media{width:100%;border-radius:20px;overflow:hidden;background:var(--paper-2)}
.news-detail__media img{width:100%;height:auto;max-height:760px;object-fit:contain;background:var(--paper-2)}
.news-detail__video{width:100%;max-width:1200px;aspect-ratio:16/9;margin:clamp(34px,5vw,64px) auto 0;border-radius:20px;overflow:hidden;background:#000}
.news-detail__video iframe{display:block;width:100%;height:100%;border:0}
.news-detail__document{width:100%;max-width:1200px;margin:clamp(34px,5vw,64px) auto 0}
.news-detail__document iframe{display:block;width:100%;height:min(82vh,980px);min-height:620px;border:1px solid var(--line);border-radius:20px;background:#fff}
.news-detail__document-link{display:flex;width:max-content;margin:22px auto 0}
.news-detail__body{width:100%;margin:clamp(34px,5vw,60px) auto 0;max-width:1100px;font-size:clamp(16px,1.35vw,19px);line-height:1.95;white-space:normal;word-break:keep-all;overflow-wrap:break-word;text-wrap:pretty;color:#30343a}
.news-detail__source{display:flex;width:max-content;margin:clamp(28px,4vw,44px) auto 0}
.news-detail__error{padding-block:80px;font-size:18px;color:var(--ink-2)}

/* ══════════════════════════════════════════════════════════
   갤러리
   ══════════════════════════════════════════════════════════ */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.2vw,30px)}
.gitem{display:flex;flex-direction:column;width:100%;height:100%;min-width:0;cursor:pointer;text-align:left}
.gitem__media{
  display:block;position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:16px;background:var(--paper-2);
}
.gitem__media>img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1s var(--ease);
}
.gitem:hover .gitem__media>img{transform:scale(1.05)}
.gitem__count{position:absolute;right:12px;bottom:12px;z-index:2;padding:6px 10px;border-radius:100px;background:rgba(12,13,15,.78);color:#fff;font-size:10px;line-height:1;letter-spacing:.08em;backdrop-filter:blur(5px)}
.gitem__date{
  display:block;margin-top:16px;font-family:var(--mono);font-size:11px;
  letter-spacing:.12em;color:var(--accent);
}
.gitem__title{
  display:-webkit-box;min-height:2.9em;margin-top:8px;overflow:hidden;
  -webkit-box-orient:vertical;-webkit-line-clamp:2;
  font-family:var(--display);font-weight:500;font-size:17.5px;line-height:1.45;letter-spacing:-.02em;
}
.gitem__cap{display:block;margin-top:auto;padding-top:5px;font-size:13.5px;color:var(--ink-2)}
.gitem--placeholder{pointer-events:none;color:var(--ink-3)}
.gitem__media--placeholder{
  display:grid;place-items:center;border:1px dashed rgba(12,13,15,.18);
  background:rgba(255,255,255,.38);
}
.gitem__media--placeholder>span{
  display:grid;place-items:center;font-family:var(--mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);
}
.gitem--placeholder .gitem__date,
.gitem--placeholder .gitem__cap{color:var(--ink-3)}
.gitem--placeholder .gitem__title{font-weight:450}
.gallery__error{grid-column:1/-1;padding:48px 0;color:var(--ink-2)}

/* 라이트박스 */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(8,9,11,.94);
  display:none;place-items:center;padding:var(--pad);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.lightbox.is-open{display:grid;animation:fadeUp .35s var(--ease) both}
.lightbox__box{max-width:1200px;width:100%}
.lightbox__frame{height:min(74vh,780px);border-radius:18px;overflow:hidden;position:relative;background:#050607}
.lightbox__image{position:absolute;inset:0}
.lightbox__image img{width:100%;height:100%;object-fit:contain}
.lightbox__nav{position:absolute;top:50%;z-index:3;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;transform:translateY(-50%);background:rgba(12,13,15,.7);color:#fff;font-size:20px;border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(5px)}
.lightbox__nav:hover{background:#fff;color:var(--ink)}
.lightbox__nav--prev{left:16px}
.lightbox__nav--next{right:16px}
.lightbox__nav[hidden]{display:none}
.lightbox__meta{color:#fff;margin-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.lightbox__meta h4{font-family:var(--display);font-weight:500;font-size:20px;letter-spacing:-.02em}
.lightbox__meta p{color:rgba(255,255,255,.55);font-size:13.5px;margin-top:4px}
.lightbox__status{text-align:right;font-family:var(--mono)}
.lightbox__status [data-lb-date]{font-size:12px}
.lightbox__status [data-lb-counter]{font-size:11px;letter-spacing:.12em}
.lightbox__close{
  position:absolute;top:22px;right:22px;color:#fff;font-family:var(--mono);
  font-size:11px;letter-spacing:.16em;border:1px solid rgba(255,255,255,.3);
  border-radius:100px;padding:10px 18px;
}
.lightbox__close:hover{background:#fff;color:var(--ink)}

/* ══════════════════════════════════════════════════════════
   이미지 플레이스홀더 (★ 실제 사진으로 교체하세요)
   사용법:  <div class="ph ph--1"></div>  →  <img src="assets/photo.jpg" alt="">
   ══════════════════════════════════════════════════════════ */
.ph{position:relative;overflow:hidden}
.ph::after{
  content:"";position:absolute;inset:0;opacity:.4;mix-blend-mode:overlay;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* 클래스를 두 번 겹쳐 써서(.ph.ph--1) 컨테이너 배경색을 확실히 덮습니다 */
.ph.ph--1{background:url("../images/research/research01.png") center/cover no-repeat}
.ph.ph--2{background:url("../images/research/research02.png") center/cover no-repeat}
.ph.ph--3{background:url("../images/research/research03.png") center/cover no-repeat}
.ph.ph--4{background:url("../images/research/research04.png") center/cover no-repeat}
.ph.ph--5{background:radial-gradient(70% 70% at 72% 30%,#7DE2FF,transparent 62%),linear-gradient(140deg,#0A1A2B,#1C4E7A)}
.ph.ph--6{background:radial-gradient(66% 66% at 34% 68%,#FF6B8A,transparent 60%),linear-gradient(160deg,#2B0C16,#8C1F3C)}
.ph.ph--gray{background:linear-gradient(150deg,#DCDAD5,#BEBBB4)}

/* ══════════════════════════════════════════════════════════
   서브페이지 배너 + 탭
   ══════════════════════════════════════════════════════════ */
.pagehero{
  position:relative;background:#182129;color:#fff;overflow:hidden;
  padding:calc(var(--header-h) + clamp(56px,8vw,104px)) 0 clamp(48px,6vw,76px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.pagehero__bg{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,#315F7F 0 8px,transparent 8px),
    url("../images/main_image/snu.png") center top/cover no-repeat;
  background-color:#182129;
}
.pagehero .hero__grain{display:none}
.pagehero__inner{position:relative;z-index:2}
.crumb{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.45);display:flex;gap:10px;align-items:center;
}
.crumb .sep{opacity:.5}
.pagehero h1{
  margin-top:18px;font-family:var(--display);font-weight:600;
  font-size:clamp(34px,5.4vw,68px);letter-spacing:-.04em;line-height:1;
}
.pagehero p{margin-top:16px;color:rgba(255,255,255,.6);max-width:none;font-size:15.5px}

.tabs{
  position:sticky;top:96px;z-index:60;background:var(--paper);
  border-bottom:1px solid var(--line);
}
.tabs__inner{
  max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad);
  display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;
}
.tabs__inner::-webkit-scrollbar{display:none}
.tabs a{
  padding:19px 18px;font-size:13.5px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;border-bottom:2px solid transparent;transition:.25s;
}
.tabs a:hover{color:var(--ink)}
.tabs a.is-active{color:var(--accent);border-bottom-color:var(--accent)}

/* ══════════════════════════════════════════════════════════
   구성원
   ══════════════════════════════════════════════════════════ */
.pi{
  display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:clamp(32px,5vw,72px);align-items:start;
  padding:clamp(22px,3vw,38px);background:rgba(255,255,255,.74);border:1px solid rgba(12,13,15,.08);
  border-radius:28px;box-shadow:0 28px 70px -54px rgba(12,13,15,.55);
}
/* 교수 사진의 원본 비율을 유지해 확대 크롭 없이 선명하게 표시합니다 */
.pi__photo{aspect-ratio:2/3;border-radius:18px;overflow:hidden;background:var(--paper-2);border:1px solid var(--line)}
.pi__photo>*{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.pi__name{font-family:var(--display);
  font-weight:600;
  font-size:clamp(28px,3.6vw,44px);
  letter-spacing:-.04em;
  line-height:1.05}
.pi__name span{display:block;font-size:.44em;font-weight:500;color:var(--ink-2);letter-spacing:-.02em;margin-top:10px}
.pi__role{
  margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);
}
.cv{margin-top:30px;border-top:1px solid var(--line)}
.cv__row{
  display:grid;grid-template-columns:95px 1fr;gap:18px;
  padding:15px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.cv__row dt{font-family:var(--mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--ink-3);
  padding-top:5px;
  text-transform:uppercase}
.cv__row dd{min-width:0}
.cv__row dd p+p{margin-top:4px}

/* 경력 한 줄 — 왼쪽 기간 / 오른쪽 내용 */
.cvline{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;padding:9px 0}
.cvline+.cvline{border-top:1px dotted var(--line)}
.cvline .per{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.01em;
  color:var(--ink-3);padding-top:3px;white-space:nowrap;
}
.cvline.is-now .per{color:var(--accent)}
.cvline .what{font-size:14.5px;line-height:1.55;min-width:0}
.cvline .what b{font-weight:600}
.cvline .what em{
  display:block;font-family:var(--body);font-style:normal;
  color:var(--ink-2);font-size:12px;margin-top:3px;
  white-space:nowrap;overflow-x:auto;
}
@media(max-width:640px){
  .cvline{grid-template-columns:1fr;gap:3px}
  .cvline .per{padding-top:0}
}

.people{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.2vw,28px)}
.person__photo{aspect-ratio:3/4;border-radius:14px;overflow:hidden;background:var(--paper-2);position:relative}
.person__photo>*{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.person:hover .person__photo>*{transform:scale(1.05)}
.person__name{margin-top:15px;font-family:var(--display);font-weight:600;font-size:16.5px;letter-spacing:-.02em}
.person__name span{font-weight:500;color:var(--ink-2);font-size:13px;margin-left:6px}
.person__role{margin-top:5px;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-3)}
.person__topic{margin-top:6px;font-size:13px;color:var(--ink-2)}
.person__topic--empty{font-style:italic;color:var(--ink-3)}
.person__details{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.person__details p{display:grid;
  grid-template-columns:38px 1fr;
  gap:7px;
  font-size:11.5px;
  line-height:1.5;
  color:var(--ink-2)}
.person__details p+p{margin-top:8px}
.person__details b{font-size:10px;color:var(--accent);letter-spacing:.05em}
.person__emails{display:flex;flex-direction:column;align-items:flex-start;gap:3px;margin-top:12px}
.person__emails a{max-width:100%;font-size:11.5px;color:var(--accent);overflow-wrap:anywhere}
.person__emails a:hover{text-decoration:underline;text-underline-offset:3px}
.person--placeholder{opacity:.52}

/* 독립 구성원 섹션 + 프로필 카드 */
.member-section{scroll-margin-top:156px;position:relative;overflow:hidden}
.member-section::before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  right:-170px;top:-170px;background:var(--accent);opacity:.035;pointer-events:none;
}
.member-section .sec-head{position:relative;
  margin-bottom:clamp(34px,4vw,56px);
  padding-bottom:22px;
  border-bottom:1px solid var(--line)}
.member-section .sec-head .title{font-size:clamp(34px,4.2vw,52px);font-weight:560}
.people--profiles{align-items:stretch}
.people--profiles.people--three,.people--profiles.people--four{grid-template-columns:repeat(3,minmax(0,1fr));
  max-width:1180px}
.people--profiles.people--two{grid-template-columns:repeat(2,minmax(0,1fr));max-width:780px}
.member-section .person{
  min-width:0;display:flex;flex-direction:column;padding:0 0 24px;overflow:hidden;position:relative;
  background:rgba(255,255,255,.82);border:1px solid rgba(12,13,15,.085);border-radius:24px;
  box-shadow:0 20px 52px -40px rgba(12,13,15,.48);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.member-section .person::before{content:"";
  position:absolute;
  z-index:2;
  left:0;
  top:0;
  width:100%;
  height:3px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .45s var(--ease)}
.member-section .person:hover{
  transform:translateY(-7px);border-color:rgba(35,79,114,.24);
  box-shadow:0 28px 60px -34px rgba(12,13,15,.42);
}
.member-section .person:hover::before{transform:scaleX(1)}
.member-section .person__photo{border-radius:0;margin-bottom:2px;background:#e8e7e3}
.member-section .person__name,.member-section .person__role,
.member-section .person__topic,.member-section .person__details,
.member-section .person__emails{margin-left:20px;margin-right:20px}
.member-section .person__name{font-size:clamp(22px,2vw,27px);font-weight:580;margin-top:22px;line-height:1.15}
.member-section .person__role{margin-top:8px;font-size:11px;color:var(--accent)}
.member-section .person__topic{min-height:52px;margin-top:13px;font-size:15px;line-height:1.6;color:var(--ink-2)}
.member-section .person__details{background:rgba(244,243,240,.78);
  border:0;
  border-radius:14px;
  padding:16px;
  margin-top:17px}
.section--alt.member-section .person__details{background:rgba(234,232,227,.66)}
.member-section .person__emails{margin-top:auto;padding-top:14px}
.member-section .person__details p{display:flex;flex-direction:column;gap:4px;font-size:13px;line-height:1.55}
.member-section .person__details p+p{margin-top:13px;padding-top:13px;border-top:1px solid rgba(12,13,15,.08)}
.member-section .person__details b{font-size:11px}
.member-section .person__details span{min-width:0}
.member-section .person__details strong{display:block;
  font-size:12.5px;
  font-weight:620;
  color:var(--ink);
  line-height:1.45;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis}
.member-section .person__details small{display:block;margin-top:5px;font-size:13px;line-height:1.5;color:var(--ink-2)}
.member-section .person__details small+small{margin-top:6px;color:var(--ink-3)}
.member-section .person__emails a{display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:7px 12px;
  border-radius:100px;
  background:var(--accent-soft);
  font-size:13px}

.alumni{display:grid;gap:8px;border-top:0}
.alumni__row{
  display:grid;grid-template-columns:160px 1fr 1fr;gap:24px;
  padding:18px 20px;border:1px solid rgba(12,13,15,.075);border-radius:14px;background:rgba(255,255,255,.62);
  font-size:14.5px;align-items:baseline;transition:border-color .25s,background .25s,transform .25s;
}
.alumni__row:hover{transform:translateX(4px);border-color:rgba(35,79,114,.2);background:#fff}
.alumni__row .yr{font-family:var(--mono);font-size:12px;color:var(--accent)}
.alumni__row .now{color:var(--ink-2);font-size:13.5px}

/* ══════════════════════════════════════════════════════════
   연구 상세
   ══════════════════════════════════════════════════════════ */
.topic{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center;
  padding-block:clamp(48px,6vw,88px);border-top:1px solid var(--line);
}
.topic:nth-child(even) .topic__media{order:2}
.topic__media{aspect-ratio:5/4;border-radius:18px;overflow:hidden;background:var(--paper-2)}
.topic__media>*{width:100%;height:100%;object-fit:cover}
.topic__no{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--accent)}
.topic h3{
  margin-top:16px;font-family:var(--display);font-weight:600;
  font-size:clamp(26px,3.2vw,40px);letter-spacing:-.035em;line-height:1.1;
}
.topic h3 em{font-family:inherit;font-style:normal;font-weight:700}
.topic p{margin-top:18px;color:var(--ink-2);font-size:15.5px;line-height:1.75}
.keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.keywords span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:100px;padding:7px 13px;color:var(--ink-2);
}

/* 개별 연구 페이지 */
.research-detail{padding-block:var(--sec-y)}
.research-detail__hero{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
  gap:clamp(40px,7vw,96px);align-items:center;
}
.research-detail__media{aspect-ratio:5/4;border-radius:22px;min-height:360px}
.research-detail__reel{position:relative;width:100%;aspect-ratio:1280/720;margin-top:clamp(56px,7vw,96px);border-radius:22px;overflow:hidden;background:#000}
.research-detail__reel-video{display:block;width:100%;height:100%;object-fit:contain;background:#000}
.research-detail__video-status{position:absolute;inset:0;z-index:1;display:grid;place-items:center;padding:24px;background:#111;color:#fff;font-size:14px;text-align:center}
.research-detail__video-status[hidden]{display:none}
.research-detail__video-status.is-error{color:#ffb4b4}
.research-detail__title{
  margin-top:18px;font-family:var(--display);font-weight:600;
  font-size:clamp(38px,5.3vw,70px);letter-spacing:-.045em;line-height:1.02;
}
.research-detail__lead{margin-top:26px;color:var(--ink-2);font-size:clamp(17px,1.5vw,20px);line-height:1.75}
.research-detail__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,54px);
  margin-top:clamp(72px,9vw,128px);padding-top:clamp(48px,6vw,80px);border-top:1px solid var(--line);
}
.research-detail__grid h2{font-size:20px;letter-spacing:-.025em}
.research-detail__grid p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.75}
.research-next{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}

/* ══════════════════════════════════════════════════════════
   논문
   ══════════════════════════════════════════════════════════ */
.publication-toolbar{display:flex;flex-direction:column;align-items:stretch;gap:22px;margin-bottom:30px}
.publication-toolbar .filters{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;width:100%}
.filters button{
display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    min-height:56px;
    font-family:var(--mono);
    font-size:13px;
  letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line);
  border-radius:100px;padding:12px 16px;color:var(--ink-2);transition:.25s;
}
.filters button span{font-size:10px;opacity:.55}
.filters button:hover{border-color:var(--ink);color:var(--ink)}
.filters button.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.pub-search{order:-1;
  align-self:flex-end;
  width:min(100%,390px);
  height:52px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 19px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:100px;
  transition:border-color .25s,box-shadow .25s}
.pub-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(35,79,114,.1)}
.pub-search svg{width:19px;height:19px;fill:none;stroke:var(--ink-3);stroke-width:1.8;flex:none}
.pub-search input{width:100%;border:0;outline:0;background:transparent;font:inherit;font-size:15px;color:var(--ink)}
.pub-search input::placeholder{color:var(--ink-3)}
.publication-summary{margin:34px 0 20px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-3)}
.publication-summary strong{font-size:26px;color:var(--accent);margin-right:7px}
.publication-summary b{color:var(--ink);font-weight:600}
.pubs{display:grid;gap:14px}
.publications-app:empty{min-height:180px;
  border-radius:18px;
  background:linear-gradient(100deg,rgba(255,255,255,.45) 30%,rgba(255,255,255,.9) 48%,rgba(255,255,255,.45) 66%);
  background-size:220% 100%;
  animation:pubLoading 1.5s ease-in-out infinite}
@keyframes pubLoading{to{background-position-x:-220%}}
.pub{
  display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:30px;align-items:start;
  padding:36px 34px 32px;background:rgba(255,255,255,.72);border:1px solid rgba(12,13,15,.08);
  border-radius:22px;box-shadow:0 18px 46px -40px rgba(12,13,15,.45);
  transition:transform .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
.pub:hover{transform:translateY(-3px);border-color:rgba(35,79,114,.2);box-shadow:0 24px 54px -38px rgba(12,13,15,.4)}
.pub[hidden]{display:none}
.pub__no{font-family:var(--mono);font-size:14px;color:var(--ink-3);padding-top:5px;letter-spacing:.08em}
.pub__content{min-width:0}
.pub__meta{display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink-3)}
.pub__title{font-size:clamp(22px,2vw,28px);font-weight:650;line-height:1.4;letter-spacing:-.025em}
.pub__authors{margin-top:17px;font-size:16px;line-height:1.75;color:var(--ink-2)}
.pub__authors b{color:var(--ink);font-weight:600}
.author-mark{position:relative;
  top:-.16em;
  margin-left:1px;
  color:var(--accent);
  font-family:var(--mono);
  font-size:.68em;
  font-weight:700;
  line-height:0}
.pub__journal{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-top:14px;font-size:16px;line-height:1.7}
.pub__journal em{font-family:inherit;font-style:normal;font-weight:700;font-size:1em;letter-spacing:inherit}
.pub__journal .vol{color:var(--ink-2)}
.pub__side{display:flex;flex-direction:column;align-items:flex-end;gap:13px;padding-top:4px}
.pub__year{font-family:var(--mono);font-size:14px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
.pub__doi{
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  border:1px solid var(--line);border-radius:100px;padding:10px 16px;color:var(--ink-2);
  transition:.25s;white-space:nowrap;
}
.pub__doi:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.pub__status{font-family:var(--mono);font-size:12px;color:var(--ink-3);white-space:nowrap}
.pub__badge{
  display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border-radius:100px;padding:6px 11px;
}
.publication-pagination{
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-top:42px;
}
.publication-pagination[hidden]{display:none}
.publication-pagination button{
  display:grid;
  place-items:center;
  min-width:42px;
  height:42px;
  padding:0 11px;
  border:1px solid var(--line);
  border-radius:100px;
  background:rgba(255,255,255,.6);
  color:var(--ink-2);
  font-family:var(--mono);
  font-size:12px;
  transition:background .25s,border-color .25s,color .25s,transform .25s;
}
.publication-pagination button:hover:not(:disabled){
  border-color:var(--ink);
  color:var(--ink);
  transform:translateY(-2px);
}
.publication-pagination button.is-active{
  border-color:var(--ink);
  background:var(--ink);
  color:var(--paper);
}
.publication-pagination button:disabled{cursor:not-allowed;opacity:.3}
.publication-pagination .pagination-arrow{font-size:16px}
.publication-legend{display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:wrap;
  margin-top:34px;
  color:var(--ink-2);
  font-size:14px}
.publication-legend span{display:inline-flex;align-items:center;gap:7px}
.publication-legend sup{display:grid;
  place-items:center;
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent);
  font-family:var(--mono);
  font-size:12px;
  font-weight:700}
.publication-error{padding:34px;border:1px dashed var(--line);border-radius:16px;text-align:center;color:var(--ink-2)}

/* ══════════════════════════════════════════════════════════
   연락처 / 지원
   ══════════════════════════════════════════════════════════ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,80px);align-items:start}
.contact-layout{grid-template-columns:minmax(340px,.72fr) minmax(0,1.28fr);gap:clamp(36px,4vw,64px)}
.contact-layout--stacked{grid-template-columns:1fr;gap:clamp(28px,4vw,44px)}
.info{border-top:1px solid var(--line)}
.info__row{
  display:grid;grid-template-columns:96px 1fr;gap:22px;
  padding:17px 0;border-bottom:1px solid var(--line);font-size:15px;
}
.info__row dt{font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-3);
  padding-top:5px}
.info__row a{color:var(--accent)}
.info__row a:hover{text-decoration:underline;text-underline-offset:3px}
.mapbox{
  aspect-ratio:4/3;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:var(--paper-2);display:grid;place-items:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink-3);text-align:center;
}
.contact-layout .mapbox{aspect-ratio:auto;min-height:clamp(480px,42vw,620px)}
.contact-layout--stacked .mapbox{min-height:clamp(320px,32vw,420px)}
.mapbox iframe{width:100%;height:100%;border:0}

/* ══════════════════════════════════════════════════════════
   푸터
   ══════════════════════════════════════════════════════════ */
.footer{background:var(--dark);color:#fff;padding-top:clamp(64px,8vw,110px)}
.footer__top{display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:clamp(32px,4vw,64px);
  padding-bottom:clamp(48px,6vw,80px)}
.footer__mark{
  font-family:var(--display);font-weight:600;letter-spacing:-.04em;line-height:1.02;
  font-size:clamp(30px,4.4vw,58px);max-width:14ch;
}
.footer__mark em{font-family:inherit;font-style:normal;font-weight:700}
.footer__addr{margin-top:24px;color:rgba(255,255,255,.55);font-size:14.5px;line-height:1.75}
.footer h5{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.4);margin-bottom:18px;
}
.footer__links a{display:block;padding:6px 0;color:rgba(255,255,255,.72);font-size:14.5px;transition:color .25s}
.footer__links a:hover{color:#fff}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-block:26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:rgba(255,255,255,.38);
  text-transform:uppercase;
}
.footer__top .btn{background:#fff;color:var(--ink)}
.footer__top .btn:hover{background:var(--accent);color:#fff}

/* ══════════════════════════════════════════════════════════
   스크롤 등장
   ══════════════════════════════════════════════════════════ */
[data-rv]{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-rv].is-in{opacity:1;transform:none}

/* 상단 진행 바 */
.progress{position:fixed;
  top:0;
  left:0;
  height:2px;
  background:var(--accent);
  width:0;
  z-index:150;
  transition:width .1s linear}

/* ══════════════════════════════════════════════════════════
   반응형
   ══════════════════════════════════════════════════════════ */
@media(max-width:1120px){
  .nav,.header__cta .pill{display:none}
  .burger{display:block}
}
@media(max-width:1080px){
  .people{grid-template-columns:repeat(3,1fr)}
.people--profiles.people--three,.people--profiles.people--four{grid-template-columns:repeat(2,minmax(0,1fr));
    max-width:none}
  .footer__top{grid-template-columns:1fr 1fr}
  .footer__mark{grid-column:1/-1}
}
@media(max-width:900px){
  .nav,.header__cta .pill{display:none}
  .burger{display:block}
  .cards,.gallery{grid-template-columns:1fr 1fr}
  .intro__grid{grid-template-columns:1fr 1fr}
  .pi{grid-template-columns:1fr}
  .pi__photo{max-width:300px}
  .cvline .what em{white-space:normal;overflow-x:visible}
  .topic{grid-template-columns:1fr}
  .topic:nth-child(even) .topic__media{order:0}
  .split{grid-template-columns:1fr}
  .contact-layout .mapbox{min-height:420px}
  .news__row{grid-template-columns:120px 1fr;gap:10px 20px}
  .news__row .news__thumb{width:120px;grid-row:span 2}
  .news__row .news__date{display:none}
  .news__row .news__cat{text-align:left;margin-top:4px}
  .news__cat small{display:inline;margin:0 0 0 10px}
  .tabs{top:96px}
  .research-detail__hero{grid-template-columns:1fr}
  .research-detail__media{min-height:0}
  .research-detail__grid{grid-template-columns:1fr}
  .publication-toolbar .filters{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
}
@media(max-width:700px){
  #join .join-title{white-space:normal}
  /* 좁은 화면에서는 제목을 두 줄로 풀어 크기를 확보합니다 */
  .hero h1{white-space:normal;font-size:clamp(32px,8.4vw,50px);line-height:1}
}
@media(max-width:640px){
  :root{--header-h:96px}
  .logo{font-size:25px;gap:11px}
  .logo>span{gap:9px}
  .logo small{font-size:9px;margin-top:0;padding-left:9px;letter-spacing:.1em}
  .logo__mark{height:42px}
  .contact-layout .mapbox{min-height:340px}
  .header.is-solid .logo__mark{height:39px}
  .cards,.gallery,.people{grid-template-columns:1fr}
  .news-detail__gallery{grid-template-columns:1fr}
  .news-detail__document iframe{height:70vh;min-height:480px;border-radius:12px}
  .news__row{grid-template-columns:88px 1fr;gap:8px 14px;padding-block:20px}
  .news__row .news__thumb{width:88px;border-radius:9px}
  .news__title{font-size:17px;line-height:1.4}
  .news__excerpt{font-size:13px;line-height:1.55;margin-top:6px}
  .people{grid-template-columns:1fr 1fr}
.people--profiles.people--two,.people--profiles.people--three,.people--profiles.people--four{grid-template-columns:1fr;
    max-width:none}
  .member-section .person{padding:0 0 22px}
  .intro__grid{grid-template-columns:1fr 1fr}
  .pub{grid-template-columns:1fr;gap:12px}
  .pub{padding:20px 18px}
  .pub__no{display:none}
  .pub__side{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .publication-toolbar{align-items:stretch}
  .pub-search{width:100%;align-self:stretch}
.publication-toolbar .filters{grid-template-columns:repeat(3,minmax(0,1fr));
    gap:8px;
    width:100%;
    overflow:visible;
    padding-bottom:0}
  .publication-toolbar .filters button{min-height:48px;padding:9px 7px;font-size:11px;letter-spacing:.04em}
  .alumni__row{grid-template-columns:110px 1fr;gap:8px 18px}
  .alumni__row .now{grid-column:2}
  .cv__row{grid-template-columns:1fr;gap:6px}
  .footer__top{grid-template-columns:1fr;gap:40px}
  .footer__mark{grid-column:auto}
}

@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  [data-rv]{opacity:1;transform:none}
  .reveal-line>span{transform:none}
  .fade-up{opacity:1}
}