/* ==========================================================================
   HAE-RAE — shared stylesheet
   White ground, hairline rules, teal accent. No tinted blocks.
   ========================================================================== */

:root{
  --deep:#06414e;
  --teal:#0c7386;      /* links, accents */
  --mid:#4d9aa4;
  --ink:#0d2126;       /* body text */
  --ink-2:#42585f;
  --ink-3:#7d9298;
  --line:#e3eaea;
  --line-2:#eef3f3;
  --bg:#ffffff;
  --r:12px;
  --maxw:900px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.7 "Pretendard","Inter","Apple SD Gothic Neo","Noto Sans KR",
       ui-sans-serif,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body.ko{word-break:keep-all}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:var(--maxw)}
.wrap.narrow > *{max-width:720px}

/* ---------- nav ---------- */
header.site{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.nav{max-width:var(--maxw);margin:0 auto;padding:13px 24px;display:flex;align-items:center;gap:10px}
.nav .sp{flex:1}

.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none}
.brand img{width:34px;height:34px;object-fit:contain;flex:none}
.brand:hover{text-decoration:none}
.brand b{font-size:17px;font-weight:800;letter-spacing:.005em}
.brand i{font-style:normal;font-size:13.5px;color:var(--ink-3);font-weight:600;letter-spacing:.02em}

.links{display:flex;align-items:center;gap:2px}
.links a{font-size:14.5px;font-weight:550;color:var(--ink-2);padding:7px 11px;border-radius:8px}
.links a:hover{background:var(--line-2);color:var(--ink);text-decoration:none}
.links a.on{color:var(--teal);font-weight:700}
.links a.cta{
  background:var(--teal);color:#fff;font-weight:650;padding:8px 15px;
  border-radius:99px;margin-left:8px;white-space:nowrap;
}
.links a.cta:hover{background:var(--deep);color:#fff}
@media(max-width:720px){
  .brand img{width:28px;height:28px}
  .nav{flex-wrap:wrap;gap:6px;padding:11px 18px}
  .nav .sp{display:none}
  .links{width:100%;overflow-x:auto;gap:0;padding-bottom:2px}
  .links a{padding:6px 9px;font-size:14px;white-space:nowrap}
  .links a.cta{margin-left:auto}
}

/* ---------- type ---------- */
h1{font-size:clamp(31px,5vw,44px);font-weight:800;letter-spacing:-.032em;line-height:1.15;margin:0 0 16px}
h1 .pre{display:block;font-size:14.5px;font-weight:400;line-height:1.7;
  letter-spacing:0;color:var(--ink-3);margin-bottom:14px;max-width:680px}
h1 .pre b{font-weight:700;color:var(--ink)}

h2{font-size:clamp(21px,3.2vw,28px);font-weight:750;letter-spacing:-.026em;margin:0 0 12px}
h3{font-size:16.5px;font-weight:700;margin:0 0 8px;letter-spacing:-.012em}
p{margin:0 0 16px;color:var(--ink-2)}
.lede{font-size:17.5px;color:var(--ink-2);margin:0 0 26px;line-height:1.68}
.lede b{color:var(--ink);font-weight:650}
.eyebrow{
  font-size:11.5px;font-weight:750;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mid);margin:0 0 12px;
}
.sec-head{margin-bottom:26px}
.han{font-weight:700;color:var(--deep)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font:inherit;font-size:15px;font-weight:660;cursor:pointer;
  padding:12px 22px;border-radius:99px;border:1px solid transparent;
  background:var(--teal);color:#fff;text-decoration:none;
  transition:background .14s,border-color .14s,transform .1s;
}
.btn:hover{background:var(--deep);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:#fff;color:var(--teal);border-color:var(--mid)}
.btn:disabled{opacity:.55;cursor:default;transform:none}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ---------- sections ---------- */
section{padding:56px 0}
section + section{border-top:1px solid var(--line-2)}
section.tight{padding:40px 0}
.hero{padding:56px 0 52px}
.hero-logo{width:124px;height:auto;margin:0 0 22px}
@media(max-width:720px){.hero-logo{width:104px}}

/* ---------- divider after the hero ---------- */
.hero + section{border-top:1px solid var(--line-2)}

/* ---------- beliefs (editorial, unboxed) ---------- */
.beliefs{margin-top:4px}
.belief{display:flex;gap:20px;padding:18px 0;border-top:1px solid var(--line-2)}
.belief:first-child{border-top:0;padding-top:0}
.belief:last-child{padding-bottom:0}
.belief .num{
  flex:none;width:40px;font-size:26px;font-weight:800;letter-spacing:-.05em;
  line-height:1.25;color:#c6dcde;
}
.belief h3{font-size:18px;font-weight:750;letter-spacing:-.02em;margin:0 0 6px}
.belief p{margin:0;font-size:15.5px;line-height:1.7}
.belief .txt{flex:1;min-width:0}
@media(max-width:620px){
  .belief{gap:0;flex-direction:column}
  .belief .num{width:auto;font-size:22px;margin-bottom:8px}
}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:640px){.g2{grid-template-columns:1fr}}

.card{
  position:relative;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 21px;
  transition:border-color .16s, box-shadow .16s, transform .12s;
}
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--deep),var(--mid));
  opacity:0;transition:opacity .16s;
}
.card:hover{border-color:#c8dcde;box-shadow:0 6px 26px rgba(12,33,38,.075);transform:translateY(-2px)}
.card:hover::before{opacity:1}
.card p:last-child{margin-bottom:0}
.card p{font-size:15px;line-height:1.68}
.card ul{margin:0;padding-left:19px}
.card li{margin:5px 0;color:var(--ink-2);font-size:15px}
.card h3{padding-right:46px}
.card h3::before{
  content:"";display:block;width:26px;height:3px;border-radius:2px;
  background:var(--teal);margin-bottom:13px;
}
.card .n{
  position:absolute;top:18px;right:20px;
  font-size:30px;font-weight:800;letter-spacing:-.045em;line-height:1;
  color:#dceaeb;transition:color .16s;
}
.card:hover .n{color:#c2dadc}

/* ---------- publications ---------- */
.year{
  font-size:11.5px;font-weight:750;letter-spacing:.16em;color:var(--ink-3);
  margin:32px 0 8px;padding-bottom:7px;border-bottom:1px solid var(--line);
}
.year:first-of-type{margin-top:0}
.pub{display:flex;gap:14px;align-items:baseline;padding:11px 0;border-bottom:1px solid var(--line-2)}
.pub:last-child{border-bottom:0}
.venue{
  flex:none;min-width:120px;text-align:center;
  font-size:11.5px;font-weight:700;letter-spacing:.02em;color:var(--teal);
  border:1px solid var(--line);border-radius:6px;padding:3px 9px;
}
.venue.pre{color:var(--ink-3)}
.pub .t{font-size:15.5px;font-weight:550;line-height:1.45}
.pub .t a{color:var(--ink)}
.pub .t a:hover{color:var(--teal)}
.pub .au{font-size:13.5px;color:var(--ink-3);margin-top:3px}
@media(max-width:620px){
  .pub{flex-direction:column;gap:7px}
  .venue{min-width:0;align-self:flex-start}
}

/* ---------- people ---------- */
.people{grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:780px){.people{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.people{grid-template-columns:1fr}}

.person{
  display:flex;flex-direction:column;gap:13px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);padding:20px;
}
.person > div{display:flex;flex-direction:column;flex:1}
.person img{width:76px;height:76px;border-radius:10px;object-fit:cover;flex:none;background:var(--line-2)}
.person h3{margin-bottom:2px;font-size:17px;line-height:1.35}
.person .role{font-size:13px;color:var(--ink-3);font-weight:600;margin-bottom:6px}
.person .aff{font-size:13.5px;color:var(--ink-2);line-height:1.5;margin-bottom:12px}
.person .meta{font-size:13.5px;color:var(--ink-3);margin-top:auto}
.lead-wrap{margin-bottom:30px}
.person.lead{flex-direction:row;gap:20px;align-items:center}
.person.lead img{width:96px;height:96px}
.person.lead > div{flex:1}
.person.lead .meta{margin-top:6px}
@media(max-width:520px){.person.lead{flex-direction:column;align-items:flex-start}}


/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding:32px 0 48px}
footer.site .row{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
footer.site .sp{flex:1}
footer.site p{margin:4px 0 0;font-size:13.5px;color:var(--ink-3)}
footer.site nav{display:flex;gap:16px;font-size:14px;flex-wrap:wrap}

/* ---------- maintainer notes / placeholders ---------- */
.todo{color:#b3690b;border-bottom:1.5px dashed rgba(179,105,11,.5);font-weight:650}
.setup{
  background:#fffaf1;border:1px solid #f0d9b0;border-radius:var(--r);
  padding:15px 18px;margin:22px 0;font-size:14px;color:#7a4d07;line-height:1.65;
}
.setup b{color:#8a4b00}
.setup code{background:#f5e7cd;padding:1.5px 6px;border-radius:5px;
  font-size:12.5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ==========================================================================
   Application form (apply.html)
   ========================================================================== */
fieldset{border:0;margin:0 0 34px;padding:0}
legend{
  font-size:11.5px;font-weight:750;letter-spacing:.16em;color:var(--mid);
  text-transform:uppercase;padding:0;margin:0 0 16px;
}
.f{margin-bottom:22px}
label.q{display:block;font-size:16px;font-weight:650;color:var(--ink);margin-bottom:4px}
label.q .opt-tag{color:var(--ink-3);font-weight:450;font-size:14px}
.req{color:#cf4436;margin-left:3px}
.hint{font-size:14px;color:var(--ink-3);margin:0 0 10px;line-height:1.6}
.hint b{color:var(--ink-2);font-weight:650}
input[type=text],input[type=email],textarea{
  width:100%;font:inherit;font-size:15.5px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;outline:none;
  transition:border-color .14s,box-shadow .14s;
}
textarea{min-height:140px;resize:vertical;line-height:1.7}
input:focus,textarea:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(77,154,164,.16)}
input::placeholder,textarea::placeholder{color:#a8bcc0}
.opts{display:grid;gap:8px}
.opt{
  display:flex;gap:12px;align-items:flex-start;padding:12px 14px;cursor:pointer;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--ink-2);transition:border-color .14s;
}
.opt:hover{border-color:var(--mid)}
.opt input{accent-color:var(--teal);margin:3px 0 0;flex:none;width:16px;height:16px}
.opt.on{border-color:var(--teal);color:var(--ink)}
.cnt{font-size:12.5px;color:var(--ink-3);text-align:right;margin-top:6px;font-variant-numeric:tabular-nums}
.cnt.bad{color:#cf4436}
.err{font-size:13.5px;color:#cf4436;margin-top:7px;display:none}
.f.invalid .err{display:block}
.f.invalid input,.f.invalid textarea{border-color:#cf4436}
.f.invalid .opts .opt{border-color:#e5b0a9}
.submit-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.submit-note{font-size:13.5px;color:var(--ink-3);flex:1;min-width:210px}
.done{display:none;text-align:center;padding:60px 24px;border:1px solid var(--teal);border-radius:var(--r)}
.done.show{display:block}

/* anchor offset for the sticky header */
[id]{scroll-margin-top:76px}

/* ---------- curriculum toggle ---------- */
details.curric{border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-top:20px;padding:0 20px}
details.curric>summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:650;font-size:15.5px;
  color:var(--ink);display:flex;align-items:center;gap:10px}
details.curric>summary::-webkit-details-marker{display:none}
details.curric>summary::before{content:"+";color:var(--teal);font-weight:700;font-size:19px;line-height:1;width:12px}
details.curric[open]>summary::before{content:"\2013"}
details.curric>summary:hover{color:var(--teal)}
.weeks{list-style:none;margin:0;padding:0 0 16px}
.weeks li{display:flex;gap:14px;padding:12px 0;border-top:1px solid var(--line-2)}
.weeks .wk{flex:none;width:44px;font-size:12.5px;font-weight:700;color:var(--mid);padding-top:3px}
.weeks h4{margin:0 0 3px;font-size:15px;font-weight:650;color:var(--ink);line-height:1.45}
.weeks p{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.6}
@media(max-width:520px){.weeks li{flex-direction:column;gap:4px}}