/* ==== KNU-GeoAI Lab redesign prototype — shared layout (v2 type scale) ==== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'NanumSquare',"Pretendard Variable",Pretendard,-apple-system,"Segoe UI",sans-serif;
  background:var(--body-bg);color:var(--body-ink);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  /* 한국어 어절 단위 줄바꿈 — 단어 중간에서 끊기지 않게 */
  word-break:keep-all;overflow-wrap:break-word;
}
.mono{font-family:"IBM Plex Mono",'NanumSquare',ui-monospace,Consolas,monospace}

/* ---------- HERO ---------- */
.hero{position:relative;height:100vh;overflow:hidden;background:var(--hero-bg-sat)}

.sat-wrap{position:absolute;inset:0;overflow:hidden}
.sat{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform-origin:44.1% 58%;filter:saturate(1.05)}
.sat-grain{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 70% at 50% 45%,transparent 55%,rgba(0,0,0,.55) 100%)}

.hero-title{position:absolute;left:6vw;bottom:12vh;color:#F2F5FB;z-index:5}
.hero-title .eyebrow{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px}
.hero-title h1{font-size:clamp(2.8rem,6.4vw,5.4rem);font-weight:650;line-height:1.04;letter-spacing:-.02em}
.hero-title h1 small{display:block;font-size:.4em;font-weight:400;opacity:.78;margin-top:16px;letter-spacing:0}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  color:#dfe6f2;opacity:.75;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;z-index:5}
.scroll-cue::after{content:"";display:block;width:1px;height:34px;margin:8px auto 0;
  background:linear-gradient(#dfe6f2,transparent);animation:cue 1.6s infinite}
@keyframes cue{0%{transform:scaleY(.2);transform-origin:top}60%{transform:scaleY(1)}100%{opacity:0}}

.caption{position:absolute;z-index:6;max-width:600px;opacity:0;visibility:hidden}
.caption .tag{font-size:.84rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.caption p{font-size:clamp(1.25rem,2vw,1.7rem);line-height:1.5;color:var(--hero-ink);font-weight:500}
.caption p b{color:var(--accent-strong)}
.caption .en{font-size:1rem;opacity:.6;margin-top:10px;line-height:1.55;font-weight:400}
.caption.on-dark p,.caption.on-dark .en{color:#EAF0F8}
.cap-1{left:6vw;top:15vh}
.cap-2{left:6vw;top:15vh}
.cap-3{left:6vw;top:15vh}
.cap-4{left:6vw;bottom:9vh}

.map-wrap{position:absolute;inset:0;opacity:0;visibility:hidden}
.map-svg{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.map-svg path.region{stroke:var(--map-stroke);stroke-width:.7;cursor:pointer;transition:filter .2s}
.map-svg path.region:hover{filter:brightness(1.18);stroke-width:1.4}
.map-svg path.region.selected{stroke:var(--accent-strong);stroke-width:2}
.map-svg .outline{fill:none;stroke:var(--map-outline);stroke-width:1.1;opacity:.9}
.pulse{fill:none;stroke:var(--accent-strong);pointer-events:none}

/* year HUD */
.year-hud{position:absolute;right:6vw;top:13vh;text-align:right;z-index:6;opacity:0;visibility:hidden}
.year-hud .y{font-size:clamp(3.6rem,7.5vw,6.4rem);font-weight:600;color:var(--hero-ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1}
.year-hud .l{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--hero-ink);opacity:.6;margin-top:8px}
.legend{margin-top:20px;display:inline-block}
.legend .bar{width:220px;height:10px;border-radius:5px}
.legend .lab{display:flex;justify-content:space-between;font-size:.76rem;color:var(--hero-ink);opacity:.65;margin-top:6px}

/* region detail panel */
.panel{position:absolute;right:5vw;top:50%;transform:translateY(-50%);
  width:min(460px,42vw);z-index:7;opacity:0;visibility:hidden;
  background:var(--panel-bg);border:1px solid var(--panel-line);border-radius:16px;
  padding:28px 30px;backdrop-filter:blur(14px);box-shadow:0 18px 60px rgba(0,0,0,var(--panel-shadow))}
.panel .p-tag{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.panel h3{font-size:1.8rem;color:var(--panel-ink);font-weight:680}
.panel .p-sub{font-size:.98rem;color:var(--panel-ink);opacity:.75;margin:8px 0 16px;line-height:1.55}
.panel .p-head{font-size:1.02rem;color:var(--panel-ink);margin:0 0 14px;line-height:1.5}
.panel .p-head b{color:var(--accent-strong)}
.panel .spark{margin-bottom:16px}
.panel .shap-title{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--panel-ink);opacity:.7;margin:16px 0 10px}
.shap-row{display:grid;grid-template-columns:140px 1fr 58px;align-items:center;gap:9px;margin:7px 0}
.shap-row .n{font-size:.92rem;color:var(--panel-ink);opacity:.88;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shap-row .v{font-size:.84rem;color:var(--panel-ink);opacity:.65;font-variant-numeric:tabular-nums}
.shap-track{position:relative;height:18px}
.shap-track .zero{position:absolute;left:50%;top:-2px;bottom:-2px;width:1px;background:var(--panel-line)}
.shap-track .bar{position:absolute;top:3px;height:12px;border-radius:3px}
.panel .p-note{font-size:.78rem;color:var(--panel-ink);opacity:.55;margin-top:16px;line-height:1.55}

/* importance overlay */
.imp-wrap{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(780px,90vw);z-index:8;opacity:0;visibility:hidden;
  background:var(--panel-bg);border:1px solid var(--panel-line);border-radius:18px;
  padding:38px 44px;backdrop-filter:blur(16px);box-shadow:0 24px 80px rgba(0,0,0,var(--panel-shadow))}
.imp-wrap .p-tag{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.imp-wrap h3{font-size:1.95rem;color:var(--panel-ink);font-weight:680;margin-bottom:6px}
.imp-wrap .p-sub{font-size:1rem;color:var(--panel-ink);opacity:.68;margin-bottom:24px}
.imp-row{display:grid;grid-template-columns:162px 1fr 64px;align-items:center;gap:11px;margin:8px 0}
.imp-row .n{font-size:.98rem;color:var(--panel-ink);opacity:.9;text-align:right}
.imp-row .v{font-size:.88rem;color:var(--panel-ink);opacity:.65;font-variant-numeric:tabular-nums}
.imp-track{height:20px;position:relative}
.imp-track .bar{position:absolute;left:0;top:3px;height:14px;border-radius:0 4px 4px 0;
  background:var(--imp-bar);width:0}
.imp-row.geo .bar{background:var(--accent-strong)}
.imp-row.geo .n{color:var(--accent-strong);opacity:1;font-weight:650}
.imp-wrap .p-note{font-size:.8rem;color:var(--panel-ink);opacity:.55;margin-top:20px;line-height:1.6}

/* map tooltip */
.tip{position:fixed;z-index:40;pointer-events:none;opacity:0;
  background:var(--panel-bg);border:1px solid var(--panel-line);border-radius:8px;
  padding:10px 14px;font-size:.9rem;color:var(--panel-ink);backdrop-filter:blur(8px);line-height:1.5}
.tip b{color:var(--accent-strong)}

/* ---------- BODY SECTIONS ---------- */
.site{position:relative;z-index:2;background:var(--body-bg)}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
section.block{padding:110px 0}
.sec-tag{font-family:'NanumSquare',"Pretendard Variable",Pretendard,sans-serif;font-weight:700;
  font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.block h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:680;letter-spacing:-.01em;margin-bottom:24px}
.block p.lead{font-size:1.15rem;line-height:1.78;max-width:680px;color:var(--body-ink)}
.block p.lead + p.lead{margin-top:16px}
.block p.lead b{color:var(--accent)}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.card{border:1px solid var(--card-line);background:var(--card-bg);border-radius:14px;padding:30px}
.card .k{font-size:.76rem;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.card h4{font-size:1.24rem;margin-bottom:12px}
.card p{font-size:.98rem;line-height:1.68;opacity:.8}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.72rem;letter-spacing:.04em;
  border:1px solid var(--card-line);border-radius:999px;padding:5px 12px;opacity:.8}

/* news carousel */
.carousel{position:relative;margin-top:44px}
.car-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-behavior:smooth;padding-bottom:8px;scrollbar-width:none}
.car-track::-webkit-scrollbar{display:none}
.car-btn{position:absolute;top:42%;z-index:5;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--card-line);background:var(--card-bg);color:var(--accent);
  font-size:1.05rem;cursor:pointer;box-shadow:0 4px 18px rgba(0,0,0,.15);
  transition:transform .15s,opacity .2s}
.car-btn:hover{transform:scale(1.08)}
.car-btn.prev{left:-14px}
.car-btn.next{right:-14px}
.car-btn[disabled]{opacity:.25;cursor:default;transform:none}
.news-card{flex:0 0 min(480px,86vw);scroll-snap-align:start}

/* join CTA */
.join-cta{border:1px solid var(--card-line);background:var(--card-bg);border-radius:18px;
  padding:48px 52px}
.btn-primary{display:inline-block;font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.88rem;
  letter-spacing:.06em;color:#fff;background:var(--accent);border-radius:999px;
  padding:14px 28px;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
@media (max-width:720px){.join-cta{padding:30px 24px}.car-btn.prev{left:4px}.car-btn.next{right:4px}}

/* news card 진동 효과 (클릭) */
@keyframes cardShake{
  0%,100%{transform:translateX(0) rotate(0)}
  15%{transform:translateX(-7px) rotate(-1.2deg)}
  30%{transform:translateX(6px) rotate(1deg)}
  45%{transform:translateX(-5px) rotate(-.8deg)}
  60%{transform:translateX(4px) rotate(.6deg)}
  75%{transform:translateX(-2px) rotate(-.3deg)}
}
.news-card{cursor:pointer}
.news-card.shake{animation:cardShake .5s ease}

/* news */
.news-card{padding:0;overflow:hidden}
.news-card img{width:100%;height:250px;object-fit:cover;display:block}
/* 클릭하면 사진 전환 (크로스페이드) */
.news-card .imgswap{position:relative;height:250px;overflow:hidden}
.news-card .imgswap img{position:absolute;inset:0;opacity:0;transform:scale(1.04);
  transition:opacity .45s ease,transform .6s ease}
.news-card .imgswap img.on{opacity:1;transform:scale(1)}
.imgswap .idots{position:absolute;bottom:10px;right:12px;display:flex;gap:5px;z-index:2}
.imgswap .idots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45);
  box-shadow:0 0 4px rgba(0,0,0,.4)}
.imgswap .idots i.on{background:#fff}
.news-card .nbody{padding:24px 28px}
.news-card .date{font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.76rem;letter-spacing:.1em;
  color:var(--accent);margin-bottom:8px}
.news-card h4{font-size:1.08rem;line-height:1.5;margin-bottom:8px}
.news-card p{font-size:.9rem;line-height:1.6;opacity:.7}

/* about: 텍스트 + 대형 프로필 */
.about-grid{display:grid;grid-template-columns:1.05fr .75fr;gap:64px;align-items:start;margin-top:8px}
.portrait{position:sticky;top:96px}
.portrait img{width:100%;border-radius:18px;border:1px solid var(--card-line);display:block}
.portrait .cap{font-size:1.02rem;font-weight:600;margin-top:16px}
.portrait .cap small{display:block;font-weight:400;font-size:.86rem;opacity:.6;margin-top:4px}
@media (max-width:820px){.about-grid{grid-template-columns:1fr}.portrait{position:static;max-width:340px}}

/* 한/영 병기 리듬 — 국문 리드 + 영문 서브 */
p.lead-en{font-size:.98rem;line-height:1.7;opacity:.6;max-width:680px;margin-top:10px}
p.lead-en + p.lead{margin-top:34px}
.card p.en{font-size:.88rem;line-height:1.6;opacity:.58;margin-top:12px}

/* member photos */
.card .face{width:88px;height:88px;border-radius:50%;object-fit:cover;display:block;
  margin-bottom:16px;border:2px solid var(--card-line)}
.campus{margin-top:52px}
.campus img{width:100%;border-radius:16px;display:block;border:1px solid var(--card-line)}
.campus .cap{font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.74rem;letter-spacing:.1em;
  opacity:.55;margin-top:10px;text-transform:uppercase}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.stat{border-top:2px solid var(--knu-green,var(--accent));padding-top:14px}
.stat .k{font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;opacity:.55}
.stat .v{font-size:1.1rem;font-weight:600;margin-top:6px}

/* timeline */
.tl{margin-top:44px;max-width:680px}
.tl-row{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:13px 0;border-top:1px solid var(--card-line)}
.tl-row .y{font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.84rem;opacity:.6;padding-top:2px}
.tl-row .t{font-size:1rem;line-height:1.55}
.tl-row .t small{display:block;opacity:.6;font-size:.88rem;margin-top:2px}

/* publications network graph */
@keyframes hubpulse{0%{r:0;opacity:.5}100%{r:30px;opacity:0}}
#pub-graph{position:relative;margin:14px 0 6px;border:1px solid var(--card-line);background:var(--card-bg);border-radius:14px;overflow:hidden}
.gpanel{position:absolute;right:12px;top:12px;width:min(330px,88%);max-height:calc(100% - 24px);
  overflow:auto;background:var(--card-bg);border:1px solid var(--card-line);border-radius:12px;
  padding:14px 16px;z-index:5;box-shadow:0 12px 40px rgba(16,27,46,.16);font-size:.82rem;line-height:1.5}
.gpanel a,.gpanel>span{display:block;padding:7px 0;border-top:1px solid var(--card-line);color:inherit;text-decoration:none}
.gpanel a:hover{color:var(--accent)}
.gp-head{display:flex;align-items:center;gap:8px;font-weight:700;padding-bottom:8px}
.gp-head span{width:10px;height:10px;border-radius:50%;flex:none}
.gp-head button{margin-left:auto;border:0;background:none;font-size:1.15rem;cursor:pointer;opacity:.6;line-height:1}
#pub-graph svg{display:block;width:100%;height:auto}
#pub-graph text{font-family:'NanumSquare',"Pretendard Variable",Pretendard,sans-serif}
.graph-cap{font-size:.78rem;opacity:.65;margin-top:26px;display:flex;align-items:center;flex-wrap:wrap;row-gap:4px}
.graph-cap i{width:10px;height:10px;border-radius:50%;display:inline-block;margin:0 5px 0 0;flex:none}
.graph-cap i:not(:first-child){margin-left:12px}
.gtip{position:fixed;z-index:80;pointer-events:none;opacity:0;background:var(--card-bg);
  border:1px solid var(--card-line);border-radius:8px;padding:8px 12px;font-size:.8rem;
  max-width:360px;line-height:1.5;box-shadow:0 8px 30px rgba(16,27,46,.14);transition:opacity .15s}

/* publications */
.pub-group{font-family:"IBM Plex Mono",'NanumSquare',monospace;font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--knu-green,var(--accent));margin:44px 0 8px;
  display:flex;align-items:center;gap:10px;width:100%;background:none;border:0;
  padding:0;cursor:pointer;text-align:left}
.pub-group .cnt{font-size:.66rem;opacity:.6;letter-spacing:0}
.pub-group .chev,.pub-group .chev-open{margin-left:auto;font-size:.68rem;letter-spacing:.04em;
  padding:5px 12px;border:1px solid var(--card-line);border-radius:999px;opacity:.8;
  color:inherit;white-space:nowrap}
.pub-group .chev-open{display:none}
.pub-group[aria-expanded="false"] .chev{display:none}
.pub-group[aria-expanded="false"] .chev-open{display:inline-block}
.pub-group:hover .chev,.pub-group:hover .chev-open{opacity:1;border-color:currentColor}
.pub-items.collapsed{display:none}
.pub{border-top:1px solid var(--card-line);padding:20px 0;display:grid;grid-template-columns:70px 1fr;gap:18px}
.pub .y{font-size:.88rem;opacity:.55;font-variant-numeric:tabular-nums}
.pub .t{font-size:1.04rem;line-height:1.6}
.pub .t b{font-weight:650}
.pub .j{font-size:.9rem;opacity:.65;margin-top:5px}
.pub .j i{font-style:italic}
.pub .j a{overflow-wrap:anywhere} /* 긴 DOI가 레이아웃을 밀지 않도록 */
.pub-stats{display:flex;gap:36px;margin-top:28px}
.pub-stats .n{font-size:2.2rem;font-weight:650;line-height:1}
.pub-stats .k{font-size:.8rem;opacity:.6;margin-top:6px}

footer{padding:80px 0 100px;border-top:1px solid var(--card-line)}
footer .f-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:28px}
footer h5{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-family:"IBM Plex Mono",'NanumSquare',monospace}
footer .f-item{font-size:.98rem;line-height:1.7}
footer .coord{font-size:.8rem;opacity:.5;margin-top:40px;font-family:"IBM Plex Mono",'NanumSquare',monospace}
footer a{color:var(--accent);text-decoration:none}
footer a:hover{text-decoration:underline}

@media (max-width:820px){
  .cards,.stats{grid-template-columns:1fr}
  footer .f-grid{grid-template-columns:1fr}
  .panel{right:4vw;left:4vw;width:auto;top:auto;bottom:3vh;transform:none}
  .cap-1,.cap-2,.cap-3{max-width:82vw}
}