/* ============================================================
   B.a.f — Dongguk University Big Data Association
   공통 스타일시트
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --bg:#fbfcfe;
  --bg-alt:#f3f6fb;
  --surface:#ffffff;
  --ink:#0f1720;
  --ink-2:#3a4652;
  --muted:#6b7684;
  --blue:#0d5eba;
  --blue-2:#4da3ff;
  --blue-3:#8ec8ff;
  --tint:#eaf1fb;
  --line:#e4eaf2;
  --shadow-sm:0 1px 2px rgba(15,23,32,.05), 0 4px 14px rgba(15,23,32,.05);
  --shadow-md:0 2px 6px rgba(15,23,32,.06), 0 14px 40px rgba(15,23,32,.08);
  --shadow-lg:0 4px 12px rgba(13,94,186,.08), 0 24px 60px rgba(13,94,186,.12);
  --wrap:1180px;
  --nav-h:64px;
  --nav-top:18px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sans:'Poppins','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --serif:'Playfair Display',Georgia,serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:170px}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
svg{display:block}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--blue);color:#fff;padding:12px 20px;border-radius:0 0 var(--r-sm) 0;
}
.skip:focus{left:0}

/* ---------- Layout primitives ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:110px 0}
.section--tight{padding:76px 0}
.section--alt{background:var(--bg-alt)}
.section--tinted{background:linear-gradient(180deg,#fff 0%,var(--tint) 100%)}

.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.h-section{
  font-size:clamp(26px,3.2vw,40px);line-height:1.32;font-weight:700;
  color:var(--ink);letter-spacing:-.02em;
}
.section-head{margin-bottom:52px}
.section-head--center{text-align:center}

.lead{font-size:clamp(17px,1.8vw,20px);line-height:1.85;color:var(--ink-2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;fill:currentColor}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 6px 20px rgba(13,94,186,.28)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(13,94,186,.34)}
.btn--ghost{background:rgba(255,255,255,.72);color:var(--ink);border:1px solid var(--line);backdrop-filter:blur(8px)}
.btn--ghost:hover{transform:translateY(-2px);background:#fff;box-shadow:var(--shadow-sm)}
.btn--sm{padding:9px 18px;font-size:14px}

/* ============================================================
   NAVIGATION — floating translucent pill
   ============================================================ */
.nav-shell{
  position:fixed;top:var(--nav-top);left:0;right:0;z-index:100;
  display:flex;justify-content:center;pointer-events:none;
  padding:0 16px;
}
.nav-bar{
  pointer-events:auto;
  width:100%;max-width:var(--wrap);
  height:var(--nav-h);
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.44);
  box-shadow:0 1px 2px rgba(15,23,32,.04), 0 10px 34px rgba(15,23,32,.09);
  backdrop-filter:blur(30px) saturate(200%);
  -webkit-backdrop-filter:blur(30px) saturate(200%);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.is-scrolled .nav-bar{
  background:rgba(255,255,255,.36);
  box-shadow:0 1px 2px rgba(15,23,32,.05), 0 14px 44px rgba(15,23,32,.12);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .nav-bar{background:rgba(255,255,255,.86)}
}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:34px;height:auto}
/* 네비게이션은 가로형 워드마크 */
.nav-bar .brand img{width:auto;height:42px}
.brand-text{
  font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.01em;
}

.nav{margin-left:auto;display:flex;align-items:center;gap:24px}
.nav-actions{display:flex;align-items:center;gap:8px;position:relative}
.nav-actions::before{
  content:'';position:absolute;left:-13px;top:50%;transform:translateY(-50%);
  width:1px;height:22px;background:#d5dce6;
}
.nav-actions .btn--ghost.is-active{background:var(--blue);color:#fff;border-color:transparent}

/* 지원 안내 팝오버 */
.apply-wrap{position:relative}
.apply-note{
  position:absolute;top:calc(100% + 12px);right:0;z-index:20;
  width:max-content;max-width:270px;padding:14px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.85);
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);
  font-size:14px;line-height:1.65;color:var(--ink-2);
}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-link{
  display:flex;align-items:center;gap:5px;
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-link:hover{background:rgba(13,94,186,.08);color:var(--blue)}
.nav-link.is-active{background:var(--blue);color:#fff}
.nav-link.is-active:hover{background:var(--blue);color:#fff}
.nav-caret{width:9px;height:9px;fill:currentColor;opacity:.55;transition:transform .25s var(--ease)}
.nav-item:hover .nav-caret{transform:rotate(180deg)}

.nav-sub{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-6px);
  min-width:172px;padding:8px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.8);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.nav-sub::before{content:'';position:absolute;top:-12px;left:0;right:0;height:12px}
.nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.nav-sub a{
  display:block;padding:9px 14px;border-radius:10px;
  font-size:14px;color:var(--ink-2);transition:background .18s,color .18s;
}
.nav-sub a:hover{background:var(--tint);color:var(--blue)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  margin-left:auto;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .3s var(--ease),opacity .2s var(--ease);
}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   HERO — particle network
   ============================================================ */
.hero{
  position:relative;
  min-height:min(100svh,860px);
  display:flex;align-items:center;
  padding:calc(var(--nav-h) + 80px) 0 90px;
  overflow:hidden;
  background:
    radial-gradient(900px 520px at 78% 8%, rgba(141,200,255,.30), transparent 62%),
    radial-gradient(760px 480px at 8% 88%, rgba(13,94,186,.13), transparent 60%),
    linear-gradient(170deg,#ffffff 0%,#f4f8fd 52%,#e9f1fb 100%);
}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-inner{position:relative;z-index:2;text-align:center;width:100%}
.hero-kicker{
  display:inline-block;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.66);border:1px solid rgba(255,255,255,.85);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);
}
.hero-title{
  display:block;
  margin-top:26px;
  font-family:var(--serif);font-weight:400;font-style:italic;
  font-size:clamp(24px,3.4vw,40px);color:var(--muted);letter-spacing:.02em;
}
.hero-brand{
  display:block;
  font-family:var(--serif);font-weight:700;
  font-size:clamp(76px,15vw,190px);line-height:.92;letter-spacing:-.03em;
  background:linear-gradient(135deg,#0a3f80 0%,#0d5eba 42%,#4da3ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin:6px 0 4px;
}
/* 타이핑되는 태그라인 */
.hero-type{
  margin-top:20px;
  font-size:clamp(19px,2.6vw,32px);font-weight:600;letter-spacing:-.02em;
  color:var(--ink);line-height:1.4;
  min-height:1.4em;                 /* 글자 수가 바뀌어도 레이아웃이 흔들리지 않게 */
}
.hero-type-out{color:var(--blue)}
.hero-type-out::after{
  content:'';display:inline-block;
  width:.09em;height:.98em;margin-left:.08em;vertical-align:-.14em;
  background:var(--blue-2);border-radius:1px;
  animation:caret 1.05s steps(1) infinite;
}
@keyframes caret{50%{opacity:0}}

.hero-desc{
  max-width:56ch;margin:22px auto 0;
  font-size:clamp(15px,1.6vw,17.5px);line-height:1.85;color:var(--ink-2);
}
.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:38px;flex-wrap:wrap}
/* ---------- Page hero (sub pages) ---------- */
.page-hero{
  position:relative;padding:calc(var(--nav-h) + 92px) 0 40px;
  background:
    radial-gradient(760px 420px at 82% 0%, rgba(141,200,255,.28), transparent 62%),
    linear-gradient(180deg,#ffffff 0%,#f2f7fd 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero .wrap{position:relative;z-index:1}
.page-hero-title{
  font-size:clamp(34px,5vw,58px);font-weight:700;letter-spacing:-.025em;color:var(--ink);line-height:1.2;
}
.page-hero-deco{
  position:absolute;right:-90px;top:-70px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(13,94,186,.16),transparent 66%);
  border-radius:50%;filter:blur(12px);pointer-events:none;
}

/* ---------- Breadcrumb / sub tabs ---------- */
.subtabs{
  position:sticky;top:calc(var(--nav-top) + var(--nav-h) + 10px);z-index:40;
  display:flex;justify-content:center;padding:8px 16px 0;
}
.subtabs-inner{
  position:relative;
  padding:6px;border-radius:999px;
  background:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.75);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);
  max-width:100%;
}
.subtabs-scroll{
  display:flex;gap:4px;
  overflow-x:auto;max-width:100%;scrollbar-width:none;
}
.subtabs-scroll::-webkit-scrollbar{display:none}

/* 알약 위쪽 테두리를 따라가는 스크롤 진행 바 */
.subtabs-progress{
  position:absolute;top:-1px;left:18px;right:18px;height:3px;
  border-radius:999px;background:rgba(13,94,186,.14);overflow:hidden;
}
.subtabs-progress i{
  display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--blue),var(--blue-2));
}
.subtabs a{
  padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:background .2s,color .2s;
}
.subtabs a:hover{color:var(--blue);background:rgba(13,94,186,.07)}
.subtabs a.is-active{background:var(--blue);color:#fff}

/* ---------- Cards & grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-sm);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d3e2f5}
.card h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.75}
.card h3 .en{
  display:block;margin-top:4px;
  font-size:12px;font-weight:500;letter-spacing:.06em;color:var(--muted);
}

/* 섹션 안의 소제목 */
.sub-label{
  margin-bottom:18px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink);
}
.row-title em{
  font-style:normal;margin-left:8px;
  font-size:12px;font-weight:500;letter-spacing:.06em;color:var(--muted);
}

/* activity cards with photo */
.act-card{
  position:relative;display:flex;flex-direction:column;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.act-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#cfe0f6}
.act-card figure{
  position:relative;margin:0;aspect-ratio:4/2.9;overflow:hidden;background:var(--tint);
  border-radius:calc(var(--r-lg) - 1px) calc(var(--r-lg) - 1px) 0 0;
}
.act-period{
  position:absolute;left:12px;top:12px;
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:12px;font-weight:600;color:var(--ink);white-space:nowrap;
}
.act-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.act-card:hover img{transform:scale(1.06)}
.act-card-body{position:relative;flex:1;padding:18px 20px 22px}
/* 카드가 링크임을 알리는 화살표 */
.act-card-body::after{
  content:'';position:absolute;right:20px;bottom:26px;
  width:7px;height:7px;
  border-top:2px solid #cfd8e4;border-right:2px solid #cfd8e4;
  transform:rotate(45deg);
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.act-card:hover .act-card-body::after{border-color:var(--blue);transform:rotate(45deg) translate(2px,-2px)}
.act-card-num{
  font-family:var(--serif);font-size:13px;font-weight:600;color:var(--blue-2);letter-spacing:.1em;
}
.act-card-body h3{
  margin:6px 0 0;font-size:18.5px;font-weight:700;color:var(--ink);letter-spacing:-.02em;
  transition:color .25s var(--ease);
}
.act-card:hover .act-card-body h3{color:var(--blue)}
.act-card-body .en{display:block;font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.09em;text-transform:uppercase;margin-top:5px}
.act-side{
  display:inline-block;margin-top:10px;padding:4px 10px;border-radius:999px;
  background:#eef6f1;color:#0f7a4d;font-size:11.5px;font-weight:600;
}

/* 연간 흐름을 보여주는 카드 사이 화살표 */
.act-flow .act-card::after{
  content:'';position:absolute;right:-17px;top:50%;z-index:2;
  width:8px;height:8px;
  border-top:2px solid var(--blue-3);border-right:2px solid var(--blue-3);
  transform:translateY(-50%) rotate(45deg);
}
.act-flow .act-card:last-child::after{display:none}

/* 학회원 지원 */
.support-list{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.support-item{
  display:flex;flex-direction:column;
  padding:26px 24px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.support-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d3e2f5}
.support-icon{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-2) 100%);
  box-shadow:0 5px 14px rgba(13,94,186,.22);
}
.support-icon svg{width:22px;height:22px;color:#fff}
.support-item h3{margin:18px 0 9px;font-size:16.5px;font-weight:600;color:var(--ink);letter-spacing:-.015em}
.support-item p{font-size:14px;line-height:1.72;color:var(--muted)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:'';position:absolute;left:120px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--blue-2),var(--tint));
}
.tl-item{position:relative;display:grid;grid-template-columns:100px 1fr;gap:40px;padding-bottom:38px}
.tl-year{
  font-family:var(--serif);font-size:24px;font-weight:700;color:var(--ink);
  text-align:right;padding-top:2px;letter-spacing:-.01em;
}
.tl-body{position:relative;padding-left:6px}
.tl-body::before{
  content:'';position:absolute;left:-27px;top:11px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2.5px solid var(--blue);box-shadow:0 0 0 4px rgba(13,94,186,.1);
}
.tl-body li{
  position:relative;padding:9px 0 9px 18px;font-size:15px;color:var(--ink-2);
}
.tl-body li::before{
  content:'';position:absolute;left:0;top:18px;width:6px;height:1.5px;background:var(--blue-3);
}
.tl-badge{
  display:inline-block;margin-left:8px;padding:2px 9px;border-radius:999px;
  background:var(--tint);color:var(--blue);font-size:11.5px;font-weight:600;vertical-align:middle;
}

/* ---------- Members ---------- */
.gen-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.gen-tab{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--muted);
  transition:all .22s var(--ease);
}
.gen-tab:hover{border-color:var(--blue-3);color:var(--blue)}
.gen-tab.is-active{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(13,94,186,.25)}

.member-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px}
.member{
  display:flex;align-items:center;gap:14px;padding:18px 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.member:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.avatar{
  flex-shrink:0;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-2) 100%);
}
.member-role,.member-name{display:block}
.member-role{font-size:12px;font-weight:600;color:var(--blue);letter-spacing:.03em}
.member-name{font-size:16px;font-weight:600;color:var(--ink);line-height:1.4}
.face{
  flex-shrink:0;width:48px;height:48px;border-radius:50%;
  object-fit:cover;object-position:center top;background:var(--tint);
}

/* 인사말 — 임원진 한마디 */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qrow{
  margin:0;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;
  padding:20px 24px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.qrow:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d3e2f5}
.qrow img,.qrow-blank{
  width:88px;height:88px;border-radius:20px;flex-shrink:0;
  object-fit:cover;object-position:center 18%;background:var(--tint);
}
.qrow-blank{
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--tint),#dceafa);
  font-family:var(--serif);font-size:32px;font-weight:700;color:var(--blue-2);
}
.qrow figcaption{min-width:0}
.qrow-role{font-size:12px;font-weight:600;color:var(--blue);letter-spacing:.02em}
.qrow-name{display:block;margin-top:2px;font-size:17.5px;font-weight:700;color:var(--ink);letter-spacing:-.015em}
.qrow p{
  margin-top:9px;padding-left:13px;border-left:2px solid var(--blue-3);
  font-size:14.5px;line-height:1.7;color:var(--ink-2);
}
.qrow p.qrow-todo{color:var(--muted);border-left-color:var(--line)}

/* 담당교수 카드 */
.prof-card{
  display:grid;grid-template-columns:230px 1fr;gap:44px;align-items:start;
  padding:44px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#fff 0%,#f6faff 100%);
  border:1px solid var(--line);box-shadow:var(--shadow-md);
}
.prof-photo{margin:0}
.prof-photo img{
  width:100%;aspect-ratio:230/294;object-fit:cover;object-position:center top;
  border-radius:var(--r-md);background:var(--tint);
  box-shadow:0 10px 30px rgba(13,94,186,.14);
}
.prof-photo figcaption{margin-top:18px;text-align:center}
.prof-photo figcaption span{
  display:block;font-size:11.5px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);
}
.prof-photo figcaption b{display:block;margin-top:6px;font-size:21px;font-weight:700;color:var(--ink)}
.prof-photo figcaption em{display:block;margin-top:3px;font-style:normal;font-size:12.5px;color:var(--muted)}
.prof-body p + p{margin-top:16px}

.prof-cred{margin:32px 0 0;padding-top:26px;border-top:1px solid var(--line);display:grid;gap:18px}
.prof-cred > div{display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:start}
.prof-cred dt{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--blue);padding-top:2px}
.prof-cred dd{margin:0}
.prof-cred dd span{display:block;font-size:14.5px;color:var(--ink-2);line-height:1.75}

.prof-papers{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.prof-papers h4{
  font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--blue);margin-bottom:14px;
}
.prof-papers ol{padding-left:20px;list-style:decimal;display:grid;gap:12px}
.prof-papers li{font-size:13.5px;line-height:1.7;color:var(--muted)}
.prof-papers li i{font-style:italic}

/* ---------- Filters / list rows ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:30px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:8px 17px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:500;color:var(--muted);transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--blue-3);color:var(--blue)}
.chip.is-active{background:var(--blue);border-color:var(--blue);color:#fff}

.search{
  position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 18px;
  min-width:250px;transition:border-color .22s,box-shadow .22s;
}
.search:focus-within{border-color:var(--blue-3);box-shadow:0 0 0 4px rgba(13,94,186,.08)}
.search svg{width:16px;height:16px;fill:var(--muted);flex-shrink:0}
.search input{border:0;background:none;outline:none;padding:11px 10px;width:100%;font-size:14.5px}

.rows{border-top:1px solid var(--line)}
.row{
  display:flex;align-items:flex-start;gap:18px;
  padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.row:hover{background:rgba(13,94,186,.03)}
.row-badge{
  flex-shrink:0;min-width:88px;text-align:center;
  padding:5px 11px;border-radius:999px;
  background:var(--tint);color:var(--blue);font-size:12px;font-weight:600;
}
.row-badge--hot{background:#fff0ec;color:#d9480f}
.row-badge--side{background:#eef6f1;color:#0f7a4d}
.row--side{background:linear-gradient(90deg,rgba(15,122,77,.04),transparent 60%)}
.row--side .row-title{color:var(--ink-2)}
.row-main{flex:1;min-width:0}
.row-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.55}
.row-meta{margin-top:6px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px}
.row-desc{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.7}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{
  padding:4px 10px;border-radius:8px;background:var(--bg-alt);border:1px solid var(--line);
  font-size:12px;color:var(--ink-2);
}
.empty{padding:60px 0;text-align:center;color:var(--muted);font-size:15px}

/* ---------- 공지 아코디언 ---------- */
.notice-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.notice-item + .notice-item{margin-top:10px}
.notice-item:hover{border-color:#d3e2f5}
.notice-item[open]{border-color:#d3e2f5;box-shadow:var(--shadow-md)}
.notice-item summary{
  display:flex;align-items:center;gap:16px;
  padding:18px 24px;cursor:pointer;list-style:none;
}
.notice-item summary::-webkit-details-marker{display:none}
.notice-title{flex:1;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.notice-item summary::after{
  content:'';flex-shrink:0;
  width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg) translate(-2px,-2px);transition:transform .25s var(--ease);
}
.notice-item[open] summary::after{transform:rotate(-135deg)}
.notice-body{
  padding:4px 24px 24px 24px;
  font-size:14.5px;line-height:1.9;color:var(--ink-2);
  white-space:pre-line;          /* 원문 줄바꿈 유지 */
  word-break:break-word;
}
.notice-body a{color:var(--blue);text-decoration:underline;overflow-wrap:anywhere}

/* ---------- 페이지 넘김 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:32px}
.pager:empty{display:none}
.pager button{
  min-width:38px;height:38px;padding:0 12px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:all .2s var(--ease);
}
.pager button:hover:not(:disabled){border-color:var(--blue-3);color:var(--blue)}
.pager button:disabled{opacity:.35;cursor:default}
.pager .pager-num.is-active{
  background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600;
  box-shadow:0 4px 14px rgba(13,94,186,.24);
}
.pager .pager-btn{font-size:17px;line-height:1}

/* ---------- FAQ 아코디언 ---------- */
.faq{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:#d3e2f5}
.faq-item[open]{border-color:#d3e2f5;box-shadow:var(--shadow-md)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 26px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:'Q';flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--tint);color:var(--blue);
  font-size:13px;font-weight:700;
}
.faq-item summary::after{
  content:'';flex-shrink:0;margin-left:auto;margin-top:8px;
  width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item > p{
  margin:0;padding:0 26px 24px 66px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

.notice-cta{
  margin-top:16px;padding:20px 24px;border-radius:var(--r-md);
  background:var(--tint);border:1px solid #d5e5f8;
  font-size:14.5px;color:var(--ink-2);
}

/* ---------- 홈: 흐르는 수상 내역 ---------- */
.awards-marquee{overflow:hidden}
.mq{
  display:grid;gap:14px;margin-top:8px;
  /* 좌우 끝을 흐리게 해 흘러 들어오고 나가는 느낌을 준다 */
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 13%,#000 87%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 13%,#000 87%,transparent);
}
.mq-row{overflow:hidden}
.mq-track{
  display:flex;align-items:center;gap:14px;width:max-content;
  animation-name:mqSlide;animation-timing-function:linear;animation-iteration-count:infinite;
}
@keyframes mqSlide{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}

.mq-item{
  display:inline-flex;align-items:center;gap:11px;flex-shrink:0;
  padding:13px 22px;border-radius:999px;white-space:nowrap;
  background:rgba(255,255,255,.82);border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,23,32,.04);
  font-size:15px;color:var(--ink-2);
}
.mq-item b{
  font-family:var(--serif);font-size:13.5px;font-weight:700;color:var(--blue-2);letter-spacing:.02em;
}
.mq-item--top{
  background:var(--blue);border-color:transparent;color:#fff;
  box-shadow:0 6px 18px rgba(13,94,186,.24);
}
.mq-item--top b{color:rgba(255,255,255,.72)}

@media (prefers-reduced-motion:reduce){
  .mq-track{animation:none}
  .mq{-webkit-mask-image:none;mask-image:none}
  .mq-row{overflow-x:auto}
}

/* ---------- Awards ---------- */
.awards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.award-group{
  padding:28px 28px 24px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.award-group h3{
  font-family:var(--serif);font-size:22px;font-weight:700;color:var(--blue);
  padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.award-group li{position:relative;padding:8px 0 8px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.6}
.award-group li::before{
  content:'';position:absolute;left:2px;top:16px;width:6px;height:6px;border-radius:50%;
  background:var(--blue-3);
}

/* ---------- Contact ---------- */
.contact-layout{display:grid;grid-template-columns:0.95fr 1.05fr;gap:52px;align-items:stretch}
.info-list{display:grid;gap:14px;margin-top:32px}
.info-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
}
.info-icon{
  flex-shrink:0;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--tint);
}
.info-icon svg{width:19px;height:19px;fill:var(--blue)}
.info-item h3{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.info-item p{margin-top:5px;font-size:15.5px;color:var(--ink);line-height:1.6}
.info-item a:hover{color:var(--blue);text-decoration:underline}

.socials{display:flex;gap:10px;margin-top:26px}
.socials a{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:all .25s var(--ease);
}
.socials a svg{width:19px;height:19px;fill:var(--ink-2);transition:fill .25s}
.socials a:hover{transform:translateY(-3px);border-color:var(--blue-3)}
.socials a:hover svg{fill:var(--blue)}

.map-wrap{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-md);
  height:100%;min-height:480px;background:var(--tint);
}
.map-wrap iframe{width:100%;height:100%;border:0;display:block}

/* ---------- 지원 절차 ---------- */
/* 기본(좁은 화면): 세로 목록 */
.flow{
  display:grid;gap:0;margin:0 auto;padding:0;list-style:none;max-width:940px;
}
.flow li{
  display:grid;grid-template-columns:44px 1fr;column-gap:16px;align-items:center;padding:9px 0;
}
.flow-rail{display:none}
.flow-dot{
  grid-column:1;grid-row:1 / -1;justify-self:start;z-index:1;
  display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid #dbe6f4;
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.flow-dot b{
  font-size:14.5px;font-weight:600;color:var(--muted);line-height:1;
  font-variant-numeric:tabular-nums;
}
.flow-label{
  grid-column:2;grid-row:1;align-self:end;
  font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.45;letter-spacing:-.012em;
}
.flow-meta{
  grid-column:2;grid-row:2;
  font-size:12.5px;font-weight:500;color:var(--muted);
}
.flow-meta:empty{display:none}

.flow li:hover .flow-dot{transform:translateY(-2px);border-color:var(--blue-3)}

/* 넓은 화면: 라벨 위 · 노드 · 부가정보 아래로 나란히 */
@media (min-width:861px){
  .flow{grid-template-columns:repeat(5,1fr)}
  .flow li{display:contents}
.flow li:nth-of-type(1) > *{grid-column:1}
.flow li:nth-of-type(2) > *{grid-column:2}
.flow li:nth-of-type(3) > *{grid-column:3}
.flow li:nth-of-type(4) > *{grid-column:4}
.flow li:nth-of-type(5) > *{grid-column:5}
  .flow-label{grid-row:1;align-self:end;text-align:center;padding:0 8px 16px;font-size:15px}
  .flow-dot{grid-row:2;justify-self:center}
  .flow-meta{grid-row:3;justify-self:center;padding-top:14px;text-align:center}
  .flow-meta:empty{display:block}

  .flow-rail{
    display:block;grid-row:2;grid-column:1 / -1;align-self:center;
    position:relative;height:2px;margin:0 10%;border-radius:2px;
    background:#e4ecf7;overflow:hidden;
  }
  .flow-rail::after{        /* 데이터가 흐르듯 지나가는 빛 */
    content:'';position:absolute;inset:0;
    background:linear-gradient(90deg,transparent,rgba(13,94,186,.5),transparent);
    background-size:22% 100%;background-repeat:no-repeat;
    animation:flowSweep 3.4s linear infinite;
  }
  @keyframes flowSweep{from{background-position:-25% 0}to{background-position:125% 0}}

}

@media (prefers-reduced-motion:reduce){
  .flow-rail::after{animation:none;opacity:.5}
}

/* ---------- Footer ---------- */
.footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-alt) 0%,#eaf0f8 100%);
  padding:56px 0 34px;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:36px}
.footer .brand-text{font-size:24px}
.footer-desc{margin-top:14px;font-size:14px;color:#57616f;line-height:1.75;max-width:34ch}
.footer h4{font-size:12px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--ink);margin-bottom:14px}
.footer-links li{margin-bottom:9px;color:#57616f}
.footer-links a{font-size:14px;color:#57616f;transition:color .2s}
.footer-links a:hover{color:var(--blue)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:#57616f;
}
.footer-social{display:flex;gap:8px}
.footer-links .footer-social{margin-top:18px}
.footer-social a{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.7);border:1px solid var(--line);transition:all .22s}
.footer-social a svg{width:16px;height:16px;fill:var(--muted);transition:fill .22s}
.footer-social a:hover{border-color:var(--blue-3)}
.footer-social a:hover svg{fill:var(--blue)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .section{padding:88px 0}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .support-list{grid-template-columns:repeat(2,1fr)}
  .act-flow .act-card::after{display:none}
  .split{grid-template-columns:1fr;gap:36px}
  .contact-layout{grid-template-columns:1fr;gap:38px}
  .nav-link{padding:9px 12px;font-size:14px}
}

@media (max-width:860px){
  :root{--nav-top:12px}
  .nav-toggle{display:flex}
  /* backdrop-filter 가 걸린 요소는 position:fixed 자식의 컨테이닝 블록이 되어
     전체화면 메뉴가 네비 바 안에 갇힌다. 메뉴가 열린 동안에만 해제한다. */
  .nav-open .nav-bar{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(255,255,255,.7)}
  .nav{
    position:fixed;inset:0;margin:0;
    background:rgba(251,252,254,.94);
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    padding:calc(var(--nav-h) + 46px) 26px 40px;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
    overflow-y:auto;z-index:1;
  }
  /* 전체화면 메뉴가 로고와 닫기 버튼을 덮지 않도록 위로 올린다 */
  .nav-open .brand,.nav-open .nav-toggle{position:relative;z-index:2}
  .nav-open .nav{opacity:1;visibility:visible;transform:none}
  .nav{flex-direction:column;align-items:stretch;gap:0}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;margin-top:28px}
  .nav-actions::before{display:none}
  .apply-wrap{display:flex;flex-direction:column}
  .nav-actions .btn{padding:15px 20px;font-size:16px}
  .apply-note{position:static;width:auto;max-width:none;margin-top:10px;backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav-link{padding:15px 18px;border-radius:var(--r-md);font-size:17px;font-weight:500;justify-content:space-between}
  .nav-caret{width:11px;height:11px}
  .nav-item.is-open .nav-caret{transform:rotate(180deg)}
  .nav-sub{
    position:static;transform:none;opacity:1;visibility:visible;
    background:none;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;
    padding:2px 0 8px 18px;display:none;min-width:0;
  }
  .nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{transform:none}
  .nav-item.is-open .nav-sub{display:block}
  .nav-sub a{padding:12px 16px;font-size:15px}
  .grid-5{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-top > :first-child{grid-column:1 / -1}
  .prof-card{grid-template-columns:1fr;gap:26px;padding:30px}
  .prof-photo{max-width:200px;margin:0 auto}
  .prof-cred > div{grid-template-columns:1fr;gap:8px}
  .timeline::before{left:14px}
  .tl-item{grid-template-columns:1fr;gap:8px;padding-left:44px}
  .tl-year{text-align:left}
  .tl-body::before{left:-36px}
}

@media (max-width:620px){
  .section{padding:70px 0}
  h1 br, h2 br, .hero-desc br{display:none}
  .grid-2,.grid-5{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .support-list{grid-template-columns:1fr}
  .member-grid{grid-template-columns:1fr}
  .row{flex-direction:column;gap:10px}
  .toolbar{flex-direction:column;align-items:stretch}
  .search{min-width:0}
  .map-wrap{min-height:320px}
  .hero{min-height:auto;padding-top:calc(var(--nav-h) + 70px);padding-bottom:70px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none}
}