/* =========================================================
   Yonsei OM — site.css
   Palette: Yonsei navy + sky + gold accent
   ========================================================= */

:root{
  --y-navy:#00285A;
  --y-navy-deep:#001630;
  --y-blue:#1B4B9C;
  --y-sky:#5FA0FF;
  --gold:#C6A15B;

  --bg:#FFFFFF;
  --bg-soft:#F4F6FA;
  --bg-tint:#ECF2FB;
  --card:#FFFFFF;
  --card-2:#FFFFFF;
  --line:rgba(0,40,90,.12);
  --line-soft:rgba(0,40,90,.07);
  --text:#0E1726;
  --text-2:#33425C;
  --muted:#66768F;
  --brand:#00285A;
  --brand-soft:rgba(0,40,90,.06);
  --on-brand:#FFFFFF;

  --shadow:0 1px 2px rgba(10,30,60,.05), 0 12px 30px -14px rgba(10,30,60,.22);
  --shadow-lg:0 2px 6px rgba(10,30,60,.06), 0 34px 64px -24px rgba(10,30,60,.34);

  --radius:10px;
  --radius-sm:6px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",system-ui,sans-serif;
  --serif:"Iowan Old Style",Georgia,"Nanum Myeongjo",serif;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#080D16;
    --bg-soft:#0C1320;
    --bg-tint:#101A2B;
    --card:#101827;
    --card-2:#0D1522;
    --line:rgba(255,255,255,.11);
    --line-soft:rgba(255,255,255,.06);
    --text:#E9EEF7;
    --text-2:#BCC8DA;
    --muted:#8899B1;
    --brand:#7FB3FF;
    --brand-soft:rgba(127,179,255,.10);
    --on-brand:#04101F;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 34px -16px rgba(0,0,0,.7);
    --shadow-lg:0 2px 6px rgba(0,0,0,.45), 0 34px 64px -24px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"]{
  --bg:#080D16;
  --bg-soft:#0C1320;
  --bg-tint:#101A2B;
  --card:#101827;
  --card-2:#0D1522;
  --line:rgba(255,255,255,.11);
  --line-soft:rgba(255,255,255,.06);
  --text:#E9EEF7;
  --text-2:#BCC8DA;
  --muted:#8899B1;
  --brand:#7FB3FF;
  --brand-soft:rgba(127,179,255,.10);
  --on-brand:#04101F;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 34px -16px rgba(0,0,0,.7);
  --shadow-lg:0 2px 6px rgba(0,0,0,.45), 0 34px 64px -24px rgba(0,0,0,.8);
}

/* ===== base ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16.5px;line-height:1.72;
  letter-spacing:-.011em;word-break:keep-all;overflow-wrap:anywhere;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.028em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* language switching */
html[data-lang="ko"] .en{display:none !important}
html[data-lang="en"] .ko{display:none !important}

.wrap{width:min(100% - 40px,var(--maxw));margin-inline:auto}
.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}

/* ===== header ===== */
.hdr{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.hdr.is-stuck{border-bottom-color:var(--line-soft)}
.hdr__in{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0}
.brand__mark{width:34px;height:34px;flex:0 0 auto}
.brand__logo{height:30px;width:auto;flex:0 0 auto}
.brand__logo--dark{display:none}
:root[data-theme="dark"] .brand__logo--light{display:none}
:root[data-theme="dark"] .brand__logo--dark{display:block}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .brand__logo--light{display:none}
  :root:not([data-theme="light"]) .brand__logo--dark{display:block}
}
.brand__div{width:1px;height:24px;background:var(--line);flex:0 0 auto;margin:0 2px}
.brand__txt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__ko{font-weight:800;font-size:15px;letter-spacing:-.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand__en{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{
  position:relative;padding:9px 12px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--text-2);transition:color .2s,background .2s;white-space:nowrap;
}
.nav a:hover{color:var(--text);background:var(--brand-soft)}
.nav a[aria-current="page"]{color:var(--brand)}
.nav a[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);
}

.tools{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:2px;background:var(--card)}
.lang button{
  border:0;background:transparent;cursor:pointer;font:inherit;font-size:12px;font-weight:700;
  letter-spacing:.04em;color:var(--muted);padding:4px 10px;border-radius:999px;transition:.2s;
}
.lang button[aria-pressed="true"]{background:var(--brand);color:var(--on-brand)}
.iconbtn{
  width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:999px;background:var(--card);cursor:pointer;color:var(--text-2);transition:.2s;
}
.iconbtn:hover{color:var(--text);border-color:var(--brand)}
.burger{display:none}

/* 메뉴가 여덟 개라 영문 화면에서는 1200px 아래로 내려가면 로고 옆 전공 이름이
   잘린다. 그 폭부터는 햄버거 메뉴로 접는다. */
@media (max-width:1199px){
  .nav{
    position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px 20px;
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.26s var(--ease);
    max-height:calc(100dvh - 70px);overflow:auto;
  }
  .nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:13px 6px;font-size:16px;border-bottom:1px solid var(--line-soft)}
  .nav a[aria-current="page"]::after{display:none}
  .burger{display:grid}
}

@media (max-width:540px){
  .hdr__in{gap:10px;height:62px}
  .tools{gap:6px}
  .brand__mark{width:30px;height:30px}
  .brand__logo{height:26px}
  .brand__div{height:20px}
  .brand__ko{font-size:13.5px}
  .brand__en{font-size:9px;letter-spacing:.1em}
  .lang button{padding:4px 9px;font-size:11px}
  .iconbtn{width:33px;height:33px}
  .nav{inset:62px 0 auto 0;max-height:calc(100dvh - 62px)}
}
@media (max-width:390px){ .brand__en{display:none} }

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:-.01em;cursor:pointer;border:1px solid transparent;
  transition:filter .2s,background .2s,color .2s,border-color .2s;
}
.btn:hover{filter:brightness(.93)}
.btn--primary{background:var(--brand);color:var(--on-brand);box-shadow:0 10px 26px -12px rgba(0,40,90,.75)}
.btn--light{background:#fff;color:var(--y-navy);box-shadow:0 10px 26px -12px rgba(0,0,0,.5)}
.btn--ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost:hover{background:rgba(255,255,255,.13)}
.btn--outline{border-color:var(--line);color:var(--text);background:var(--card)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand)}
.btn svg{width:16px;height:16px}

/* Korean text keeps an upright serif; only Latin gets the italic */
.hero h1 .accent.ko,.ko.thin,h2.ko .thin,.ko em{font-style:normal}
.hero h1 .accent.ko{letter-spacing:-.01em}
html[data-lang="ko"] .sec h2 .thin,html[data-lang="ko"] .lead-quote em{font-style:normal}
.fcard__role.ko,.ftr h4 .ko,thead th .ko{letter-spacing:0}
::selection{background:var(--brand);color:var(--on-brand)}

/* ===== hero ===== */
.hero{position:relative;isolation:isolate;overflow:hidden;color:#fff;background:var(--y-navy-deep);display:flex;align-items:center;min-height:min(88vh,820px)}
.hero__bg{position:absolute;inset:0;z-index:-3}
.hero__photo{
  position:absolute;inset:0;background-size:cover;background-position:center 40%;
  opacity:.30;filter:saturate(.7);
}
.hero__grad{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(27,75,156,.58) 0%,rgba(0,22,48,0) 60%),
    radial-gradient(90% 80% at 92% 18%,rgba(198,161,91,.24) 0%,rgba(0,22,48,0) 55%),
    linear-gradient(175deg,#012A5C 0%,#001630 100%);
  background-color:#001630;
}
.hero__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,18,42,.30) 0%,rgba(0,18,42,.55) 62%,var(--y-navy-deep) 100%)}
.hero__arch{position:absolute;left:50%;bottom:-1px;translate:-50% 0;width:min(1240px,108%);opacity:.24;z-index:-2}
.hero__arch g{stroke-width:1.1}

.hero__net{position:absolute;inset:0;z-index:-2;opacity:.34}

.hero__in{position:relative;padding:96px 0 132px;max-width:900px}
.eyebrow{
  display:block;font-size:13px;font-weight:600;letter-spacing:.01em;color:var(--gold);
}
.hero h1{
  margin:26px 0 0;font-size:clamp(2.3rem,5.6vw,4.15rem);font-weight:800;line-height:1.16;letter-spacing:-.042em;
}
.hero h1 .accent{
  display:block;font-weight:300;letter-spacing:-.02em;
  color:#D8B978;
  font-size:clamp(1.9rem,4.6vw,3.5rem);margin-top:.08em;
}
.hero .lede{margin-top:26px;max-width:640px;font-size:clamp(1rem,1.5vw,1.14rem);color:rgba(255,255,255,.80);line-height:1.85}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:46px;font-size:13.5px;color:rgba(255,255,255,.62)}
.hero__meta b{color:#fff;font-weight:700}

/* stat strip */
.strip{background:var(--y-navy-deep);color:#fff;border-top:1px solid rgba(255,255,255,.10)}
.strip__in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.10)}
.stat{background:var(--y-navy-deep);padding:30px 26px}
.stat__n{font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:800;letter-spacing:-.04em;line-height:1}
.stat__l{margin-top:9px;font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.01em}
.strip__as{
  margin:0;padding:14px 0 0;text-align:right;
  font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.01em;
}
@media(max-width:720px){.strip__in{grid-template-columns:repeat(2,1fr)}}

/* ===== page head (subpages) ===== */
.phead{position:relative;overflow:hidden;color:#fff;background:var(--y-navy-deep)}
.phead__bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(110% 130% at 8% 0%,rgba(27,75,156,.55) 0%,rgba(0,22,48,0) 62%),
    radial-gradient(80% 120% at 95% 10%,rgba(198,161,91,.20) 0%,rgba(0,22,48,0) 60%);
}
.phead__in{position:relative;z-index:1;padding:64px 0 60px}
.phead h1{margin:14px 0 0;font-size:clamp(1.85rem,4vw,2.9rem);font-weight:800;letter-spacing:-.04em}
.phead .sub{margin-top:10px;font-family:var(--serif);font-style:italic;font-size:clamp(1rem,1.8vw,1.25rem);color:var(--gold);letter-spacing:-.01em}
.phead .sub .ko{font-style:normal;font-family:var(--sans);font-size:.86em;letter-spacing:.01em}
.phead p.desc{margin-top:18px;max-width:640px;color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.8}

/* ===== sections ===== */
.sec{padding:96px 0}
.sec--soft{background:var(--bg-soft)}
.sec--tight{padding:72px 0}
.sec h2{margin:16px 0 0;font-size:clamp(1.65rem,3.3vw,2.4rem);letter-spacing:-.04em;font-weight:800}
.sec h2 .thin{font-weight:400;color:var(--text-2);letter-spacing:-.01em}
.sec .dek{margin-top:16px;max-width:660px;color:var(--text-2);font-size:16px;line-height:1.85}
.sechead{margin-bottom:48px}
.sechead--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

.lead-quote{
  font-size:clamp(1.2rem,2.5vw,1.72rem);line-height:1.62;font-weight:700;letter-spacing:-.035em;max-width:940px;
}
.lead-quote em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--brand)}
.body-copy{margin-top:26px;max-width:780px;color:var(--text-2);font-size:16.5px;line-height:1.92}
.body-copy + .body-copy{margin-top:18px}

/* ===== grid + cards ===== */
.grid{display:grid;gap:18px}
.grid>*{min-width:0}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
/* 카드 수가 3의 배수가 아닐 때 마지막 한 장이 왼쪽 끝에 혼자 남지 않도록
   가운데 칸으로 옮긴다. 3열일 때만 적용한다. */
@media(min-width:981px){.g3>:last-child:nth-child(3n+1){grid-column:2}}
@media(max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;position:relative;overflow:hidden;
}
.card--hover:hover{border-color:var(--brand)}
.card__ico{display:block;margin-bottom:10px;color:var(--brand);opacity:.65}
.card__ico svg{width:20px;height:20px}
.card h3{font-size:17.5px;letter-spacing:-.03em}
.card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.75}
.card__num{
  position:absolute;top:18px;right:22px;font-family:var(--serif);font-size:34px;color:var(--line);line-height:1;
}

/* feature list */
.flist{display:grid;gap:14px;margin-top:8px}
.flist li{display:flex;gap:13px;align-items:flex-start;color:var(--text-2);font-size:15.5px;line-height:1.7}
.flist svg{width:19px;height:19px;flex:0 0 auto;margin-top:4px;color:var(--brand)}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}}

/* ===== faculty ===== */
.fac{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:980px){.fac{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.fac{grid-template-columns:1fr}}
.fcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.fcard:hover{border-color:var(--brand)}
.fcard__ph{
  aspect-ratio:1/1.1;position:relative;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(150deg,var(--y-navy) 0%,#123B77 48%,#1E5299 100%);
}
.fcard__ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 18%}
.fcard__ini{
  font-family:var(--serif);font-size:52px;color:rgba(255,255,255,.92);line-height:1;letter-spacing:.02em;
  text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.fcard__ph::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(80% 70% at 78% 12%,rgba(198,161,91,.28),transparent 60%);
}
.fcard__b{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.fcard__name{font-size:19px;font-weight:800;letter-spacing:-.035em}
.fcard__role{margin-top:3px;font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:var(--brand);font-weight:700}
.fcard__int{margin-top:14px;color:var(--muted);font-size:14.3px;line-height:1.72;flex:1}
.fcard__where{
  display:flex;align-items:center;justify-content:flex-start;gap:7px;margin:14px 0 0;
  font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.fcard__where svg{width:14px;height:14px;flex:0 0 auto;opacity:.7}
.fcard__f{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft)}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:6px 12px;
  border-radius:999px;border:1px solid var(--line);color:var(--text-2);transition:.2s;
}
a.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.chip svg{width:13px;height:13px}

/* ===== course list ===== */
.clist{border-top:1px solid var(--line)}
.clist li{
  display:grid;grid-template-columns:250px 1fr;gap:14px 34px;align-items:start;
  padding:28px 4px;border-bottom:1px solid var(--line);
}
.clist .cname{font-size:17.5px;font-weight:800;letter-spacing:-.035em;line-height:1.4}
.clist .ccr{margin-top:10px}
.clist .cdesc{color:var(--text-2);font-size:14.8px;line-height:1.85;max-width:46em}
@media(max-width:760px){.clist li{grid-template-columns:1fr;gap:10px;padding:24px 0}}

h3.reqh{display:flex;align-items:center;gap:12px;font-size:20px;letter-spacing:-.035em;margin-bottom:16px}
p.reqnote{margin-top:16px;color:var(--muted);font-size:13.8px;line-height:1.8}
.card h4{font-size:14px;letter-spacing:-.02em;font-weight:800}

/* ===== tables ===== */
.tablewrap{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);
}
/* 표는 좁은 화면에서 옆으로 밀어 본다. 밀 수 있다는 것이 보이도록
   아직 가려진 쪽 가장자리에만 그림자를 깐다. 끝까지 밀면 그림자가 사라진다.
   앞의 두 층은 내용과 함께 움직이며(local) 뒤의 그림자를 덮는다. */
.tablescroll{
  overflow-x:auto;
  background-image:
    linear-gradient(to right,var(--card),rgba(255,255,255,0)),
    linear-gradient(to left,var(--card),rgba(255,255,255,0)),
    linear-gradient(to right,rgba(0,0,0,.14),rgba(0,0,0,0)),
    linear-gradient(to left,rgba(0,0,0,.14),rgba(0,0,0,0));
  background-position:left center,right center,left center,right center;
  background-size:26px 100%,26px 100%,18px 100%,18px 100%;
  background-repeat:no-repeat;
  background-attachment:local,local,scroll,scroll;
}
/* 표 본문 칸이 투명해야 아래 그림자가 비친다. */
.tablescroll table{background:transparent}
table{width:100%;border-collapse:collapse;font-size:14.8px;min-width:620px}
thead th{
  text-align:left;padding:15px 20px;background:var(--bg-tint);color:var(--text-2);
  font-size:12px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;white-space:nowrap;
}
tbody td{padding:15px 20px;border-top:1px solid var(--line-soft);color:var(--text-2);vertical-align:top}
tbody tr:hover td{background:var(--brand-soft)}
td.nm{font-weight:700;color:var(--text);white-space:nowrap}
td.yr{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--muted)}
.badge{
  display:inline-block;padding:3px 9px;border-radius:4px;font-size:11.5px;font-weight:700;
  background:var(--brand-soft);color:var(--brand);white-space:nowrap;
}
.badge--gold{background:rgba(198,161,91,.14);color:#6F5416}
:root[data-theme="dark"] .badge--gold{color:var(--gold)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge--gold{color:var(--gold)}}

/* toolbar (filter/search) */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:22px}
.search{
  flex:1 1 240px;min-width:200px;display:flex;align-items:center;gap:10px;padding:11px 16px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);
}
.search svg{width:17px;height:17px;color:var(--muted);flex:0 0 auto}
.search input{border:0;background:transparent;outline:none;font:inherit;font-size:14.5px;color:var(--text);width:100%}
.segs{display:flex;gap:6px;flex-wrap:wrap}
.seg{
  border:1px solid var(--line);background:var(--card);color:var(--text-2);border-radius:999px;
  padding:9px 17px;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:.2s;
}
.seg:hover{border-color:var(--brand);color:var(--brand)}
.seg[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.empty{padding:44px 20px;text-align:center;color:var(--muted);font-size:14.5px}

/* ===== students ===== */
.scard{
  position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 26px 24px;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.scard[data-tags="phd"]{background:var(--bg-tint)}
.scard__hd{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.scard__n{font-size:18.5px;font-weight:800;letter-spacing:-.035em}
.scard__i{margin-top:12px;font-size:14.6px;color:var(--text-2);line-height:1.72}
.scard__t{
  margin-top:14px;padding-top:13px;border-top:1px dashed var(--line);
  font-size:13.4px;color:var(--text-2);line-height:1.68;
}
.scard__t b{color:var(--text);font-weight:700}

/* ===== timeline (seminars) ===== */
.years{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:34px}
.tl{position:relative;padding-left:30px}
.tl::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--brand),var(--line) 90%);opacity:.4}
.tl li{position:relative;padding:15px 0 15px 6px;border-bottom:1px solid var(--line-soft);display:flex;gap:20px;align-items:baseline;flex-wrap:wrap}
.tl li::before{
  content:"";position:absolute;left:-30px;top:23px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);
}
.tl .d{flex:0 0 84px;font-variant-numeric:tabular-nums;font-weight:800;font-size:14px;color:var(--brand);letter-spacing:-.01em}
.tl .who{font-weight:700;font-size:16px;letter-spacing:-.03em}
.tl .aff{color:var(--muted);font-size:14px}
.ygroup{margin-bottom:56px}
.ygroup h3{
  display:flex;align-items:center;gap:16px;font-size:clamp(1.4rem,3vw,1.9rem);letter-spacing:-.04em;margin-bottom:14px;
}
.ygroup h3 .cnt{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.ygroup h3::after{content:"";flex:1;height:1px;background:var(--line)}

/* ===== quote / testimonial ===== */
.tquote{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:44px 44px 38px;
  box-shadow:var(--shadow);
}
.tquote::before{
  content:"\201C";position:absolute;top:6px;left:26px;font-family:var(--serif);font-size:110px;line-height:1;
  color:var(--brand);opacity:.13;
}
.tquote p{position:relative;font-size:16.5px;line-height:1.95;color:var(--text-2)}
.tquote p + p{margin-top:15px}
.tquote__by{margin-top:28px;padding-top:22px;border-top:1px solid var(--line-soft)}
.tquote__by b{display:block;font-size:15.5px;letter-spacing:-.02em}
.tquote__by span{font-size:13px;color:var(--muted)}
@media(max-width:640px){.tquote{padding:32px 24px 28px}}

/* ===== CTA ===== */
.cta{
  position:relative;overflow:hidden;border-radius:28px;color:#fff;padding:64px 56px;
  background:linear-gradient(135deg,#00234F 0%,#083A7C 52%,#0B4F9E 100%);
}
.cta__net{position:absolute;inset:0;opacity:.34}
.cta__in{position:relative;max-width:640px}
.cta h2{font-size:clamp(1.6rem,3.4vw,2.35rem);letter-spacing:-.04em}
.cta p{margin-top:16px;color:rgba(255,255,255,.80);font-size:16px;line-height:1.85}
.cta__row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
@media(max-width:640px){.cta{padding:40px 26px;border-radius:20px}}

/* ===== footer ===== */
.ftr{background:var(--y-navy-deep);color:rgba(255,255,255,.66);padding:64px 0 34px;font-size:14px}
.ftr__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px}
@media(max-width:820px){.ftr__top{grid-template-columns:1fr;gap:32px}}
.ftr h4{color:#fff;font-size:12px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:16px;font-weight:700}
.ftr a:hover{color:#fff}
.ftr li + li{margin-top:10px}
.ftr__brand{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.ftr__logo{height:34px;width:auto;flex:0 0 auto}
.ftr__brand .brand__div{background:rgba(255,255,255,.22);height:28px}
.ftr__brand .brand__ko{color:#fff;font-size:16px}
.ftr__brand .brand__en{color:rgba(255,255,255,.5)}
.ftr__bot{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.56);
}

/* ===== reveal ===== */
/* 스크롤에 따라 블록이 떠오르는 효과.
   JS가 꺼져 있으면 .js 클래스가 붙지 않아 처음부터 다 보인다. */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .net-line,.net-node{animation:none}
}

/* 히어로와 입학 안내 배너 배경의 망 그림.
   선이 흐르고 점이 천천히 커졌다 작아진다. 시작 시점은 net()에서
   요소마다 다르게 넣어 두어 한꺼번에 깜빡이지 않는다. */
.net-line{stroke-dasharray:5 9;animation:dash 14s linear infinite}
@keyframes dash{to{stroke-dashoffset:-280}}
.net-node{opacity:.6;animation:pulse 5.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35;r:3.2}50%{opacity:1;r:4.6}}


/* note box */
.note{
  border:1px dashed var(--line);border-radius:var(--radius-sm);padding:18px 20px;
  background:var(--brand-soft);color:var(--text-2);font-size:14.3px;line-height:1.75;
}
.note b{color:var(--text)}

/* ===== 소식 (Highlights) ===== */
.news{border-top:1px solid var(--line)}
.news li{
  display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;
  padding:17px 4px;border-bottom:1px solid var(--line-soft);
}
.news li:hover{background:var(--brand-soft)}
.news__d{
  flex:0 0 108px;font-size:13.5px;font-weight:800;letter-spacing:-.01em;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.news__tag{
  flex:0 0 auto;font-size:11.5px;font-weight:700;letter-spacing:.01em;padding:4px 10px;
  border-radius:4px;border:1px solid rgba(198,161,91,.55);color:#6F5416;white-space:nowrap;
}
:root[data-theme="dark"] .news__tag{color:var(--gold)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .news__tag{color:var(--gold)}}
.news__t{flex:1 1 320px;min-width:0;font-size:15.3px;line-height:1.65;color:var(--text-2)}
.news__t a{
  display:inline;color:var(--text);font-weight:600;
  text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px;
}
.news__t a:hover{text-decoration-color:var(--brand);color:var(--brand)}
.news__t a svg{width:14px;height:14px;margin-left:6px;vertical-align:-2px;opacity:.6}
@media(max-width:640px){
  .news li{gap:10px;padding:15px 2px}
  .news__d{flex:0 0 auto}
  .news__t{flex:1 1 100%}
}
.news__more{margin-top:22px}
.news__more summary{
  cursor:pointer;display:inline-flex;align-items:center;gap:8px;list-style:none;
  padding:10px 18px;border:1px solid var(--line);border-radius:999px;
  font-size:13.5px;font-weight:700;color:var(--text-2);transition:.2s;
}
.news__more summary::-webkit-details-marker{display:none}
.news__more summary::after{content:"+";font-weight:700;color:var(--brand)}
.news__more[open] summary::after{content:"\2212"}
.news__more summary:hover{border-color:var(--brand);color:var(--brand)}
.news__more .news{margin-top:18px}


/* 재학생 연구 실적. 교수 카드의 직함 목록과 같은 모양으로 맞춘다. */
.scard__work{margin:14px 0 0;padding-top:13px;border-top:1px dashed var(--line)}
.scard__work li{display:flex;gap:9px;align-items:flex-start;font-size:12.8px;line-height:1.6;color:var(--text-2)}
.scard__work li + li{margin-top:7px}
.scard__k{
  flex:0 0 auto;margin-top:2px;padding:1px 6px;border:1px solid var(--line);border-radius:4px;
  font-size:10.5px;font-weight:700;color:var(--muted);line-height:1.5;white-space:nowrap;
}

/* 졸업생 요약 */
.pgrid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-bottom:36px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.pstat{background:var(--card);padding:24px 22px}
.pstat__n{font-size:34px;font-weight:800;letter-spacing:-.04em;color:var(--brand);line-height:1}
.pstat__l{margin-top:9px;font-size:13px;color:var(--muted)}
@media(max-width:720px){.pgrid{grid-template-columns:repeat(2,1fr)}}

/* ===== 자주 묻는 질문 ===== */
.faq{border-top:1px solid var(--line)}
.faq__i{border-bottom:1px solid var(--line)}
.faq__i summary{
  cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:16px;
  padding:22px 4px;font-size:17px;font-weight:700;letter-spacing:-.03em;color:var(--text);
  transition:color .2s;
}
.faq__i summary::-webkit-details-marker{display:none}
.faq__i summary::before{
  content:"Q";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;margin-top:1px;
  background:var(--brand-soft);color:var(--brand);
  font-family:var(--serif);font-size:14px;font-weight:700;
}
.faq__i summary::after{
  content:"";flex:0 0 auto;margin-left:auto;width:10px;height:10px;margin-top:7px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s var(--ease);
}
.faq__i[open] summary::after{transform:rotate(-135deg);margin-top:11px}
.faq__i summary:hover{color:var(--brand)}
.faq__i[open] summary{color:var(--brand);padding-bottom:12px}
.faq__a{
  padding:0 4px 24px 42px;margin:0;
  font-size:15.5px;line-height:1.85;color:var(--text-2);max-width:860px;
}
@media(max-width:640px){
  .faq__i summary{font-size:15.5px;gap:12px;padding:18px 2px}
  .faq__a{padding-left:38px;font-size:14.8px}
}

/* 교수 상시 활동 */
.fcard__roles{margin:14px 0 0;padding-top:13px;border-top:1px dashed var(--line)}
.fcard__roles li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:12.8px;line-height:1.6;color:var(--text-2);
}
.fcard__roles li + li{margin-top:7px}
.fcard__roles svg{width:14px;height:14px;flex:0 0 auto;margin-top:3px;color:var(--brand);opacity:.75}

/* 홈의 축약 교수 카드: 관심분야를 2줄에서 자른다.
   -webkit-line-clamp 는 display:-webkit-box, -webkit-box-orient:vertical 과 함께 써야 동작한다.
   비활성 언어 쪽은 기존 규칙 html[data-lang] .ko/.en{display:none !important} 가 이겨서 그대로 숨는다. */
   .fcard--brief .fcard__int{
    flex:0 0 auto;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    overflow:hidden;
  }
  .fcard--brief .fcard__b{padding-bottom:22px}

  /* ===== 커뮤니티 사진 ===== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 16px}
.photo{margin:0;min-width:0}
.photo a{display:block}
/* 사진마다 가로세로 비율이 달라도 칸은 4:3으로 맞추고, 넘치는 부분은 잘라서 채운다(object-fit:cover). */
.photo img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-tint);
}
.photo figcaption{margin-top:9px;font-size:13.5px;line-height:1.55;color:var(--text-2)}
.photo__d{display:block;font-size:12px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
@media(max-width:980px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.gallery{grid-template-columns:1fr}}

/* ===== 재학생 카드: 사진과 이름 ===== */
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 18px}
.stu{margin:0;min-width:0}
.stu__a{display:block}
/* 사진 칸은 3:4 세로 비율로 고정하고, 사진이 어떤 비율이든 넘치는 부분은 잘라 채운다(object-fit:cover).
   얼굴이 위쪽에 있는 사진이 많아서 자르는 기준점을 위쪽 20%로 잡았다. */
.stu__ph{
  position:relative;aspect-ratio:3/4;display:grid;place-items:center;overflow:hidden;
  border-radius:var(--radius-sm);
  background:linear-gradient(150deg,var(--y-navy) 0%,#123B77 48%,#1E5299 100%);
}
.stu__ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 20%}
.stu__ini{font-family:var(--serif);font-size:44px;line-height:1;color:rgba(255,255,255,.92)}
.stu__n{margin-top:12px;font-size:16.5px;font-weight:800;letter-spacing:-.035em}
.stu__n svg{width:13px;height:13px;margin-left:6px;vertical-align:-1px;opacity:.55}
a.stu__a:hover .stu__n{color:var(--brand)}
a.stu__a:hover .stu__ph{outline:2px solid var(--brand);outline-offset:2px}
@media(max-width:980px){.sgrid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.sgrid{grid-template-columns:repeat(2,1fr)}}

/* ===== 졸업생 표: 논문 주제에 거는 링크 ===== */
.tlink{
  color:var(--text);font-weight:600;
  text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px;
}
.tlink:hover{color:var(--brand);text-decoration-color:var(--brand)}
.tlink svg{width:13px;height:13px;margin-left:6px;vertical-align:-2px;opacity:.6}

/* ===== 졸업생 도넛 차트 ===== */
.donut{max-width:320px}
.donut__fig{position:relative;width:220px;max-width:100%}
.donut__svg{display:block;width:100%;height:auto}
.donut__svg circle{fill:none;stroke-width:16}
.donut__rest{stroke:var(--muted);opacity:.3}
.donut__arc{stroke:var(--brand)}
.donut__c{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;line-height:1.25;
}
.donut__c b{font-size:36px;font-weight:800;letter-spacing:-.04em;color:var(--brand)}
.donut__c span{font-size:12.5px;color:var(--muted)}
.donut__lg{margin-top:22px;display:grid;gap:10px;font-size:14.5px;color:var(--text-2)}
.donut__lg li{display:flex;align-items:center;gap:10px}
.donut__lg b{margin-left:auto;font-weight:800;color:var(--text)}
.donut__sw{flex:0 0 auto;width:12px;height:12px;border-radius:3px;background:var(--muted);opacity:.3}
.donut__sw--a{background:var(--brand);opacity:1}
.donut__note{margin-top:14px;font-size:12.5px;color:var(--muted)}