/* 랜딩 전용 — yoondesign.com 구성 참고. 상세 페이지는 style.css 그대로. */
@font-face{
  font-family:"Pretendard Variable";
  src:url("fonts/PretendardVariable.woff2") format("woff2-variations");
  font-weight:45 920;font-style:normal;font-display:swap;
}

:root{
  --f:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --black:#070707;
  --navy:#14152a;
  --white:#fff;
  --ink:#111;
  --mute:#8a8a8a;
  --dim:#4a4a4a;
  --point:#ff4a17;
  --gut:clamp(1rem,5vw,6.5rem);
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--f);background:var(--black);color:var(--white);
  line-height:1.6;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;z-index:100;background:#fff;color:#000;padding:.5rem 1rem}
.in{width:min(100% - var(--gut)*2,var(--max));margin-inline:auto}

/* 떠오르기 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee .track{animation:none!important}
}

/* 헤더 */
.gnb{position:fixed;inset:0 0 auto;z-index:50;height:60px;display:flex;align-items:center;
  justify-content:space-between;padding-inline:clamp(1rem,6vw,5.75rem);transition:background .3s}
.gnb.stuck{background:rgba(7,7,7,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.logo{font-weight:800;font-size:1rem;letter-spacing:.01em}
.gnb ul{display:flex;gap:clamp(1.5rem,3.6vw,3.5rem)}
.gnb ul a{font-size:.82rem;font-weight:700;letter-spacing:.08em;color:#9a9a9a;transition:color .2s}
.gnb ul a:hover,.gnb ul a[aria-current]{color:#fff}
.menu{display:none;width:28px;height:20px;position:relative}
.menu span{position:absolute;left:0;right:0;height:2px;background:#fff;transition:transform .25s,top .25s}
.menu span:first-child{top:5px}.menu span:last-child{top:13px}
.gnb.open .menu span:first-child{top:9px;transform:rotate(45deg)}
.gnb.open .menu span:last-child{top:9px;transform:rotate(-45deg)}

/* 1. 히어로 */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;
  padding-bottom:clamp(7rem,16vh,10rem);text-align:center}
.hero .in{width:100%}
.hero h1{font-size:clamp(2.1rem,5.2vw,4.4rem);font-weight:800;line-height:1.2;letter-spacing:-.03em}
.hero p{margin-top:2rem;color:#cfcfcf;font-size:clamp(.95rem,1.2vw,1.05rem);font-weight:300;line-height:1.75;transition-delay:.15s}
.down{position:absolute;left:50%;bottom:2.2rem;translate:-50% 0;width:20px;color:#fff;animation:bob 2s ease-in-out infinite}
.down svg{width:100%;height:auto}
@keyframes bob{50%{transform:translateY(6px)}}

/* 2. 요약 */
.summary{background:var(--navy);padding:clamp(6rem,14vw,11rem) 0}
.eyebrow{display:flex;align-items:center;gap:.45rem;color:var(--point);font-size:.85rem;font-weight:600;letter-spacing:.02em}
.spark{width:14px;height:14px}
.summary h2{margin-top:1.4rem;max-width:22ch;font-size:clamp(1.7rem,3.4vw,2.7rem);font-weight:800;line-height:1.3;letter-spacing:-.025em}
.summary .lead{margin-top:1.4rem;color:#a9abc4;font-weight:300}
.traits{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,3rem);margin-top:clamp(3.5rem,7vw,5.5rem);
  border-top:1px solid rgba(255,255,255,.14);padding-top:2.5rem}
.trait:nth-child(2){transition-delay:.1s}.trait:nth-child(3){transition-delay:.2s}
.trait .tag{display:block;color:var(--point);font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.trait b{display:block;margin-top:.7rem;font-size:1.2rem;font-weight:700}
.trait p{margin-top:.8rem;color:#b9bbd0;font-size:.93rem;font-weight:300;line-height:1.75}
.summary .src{margin-top:3rem;color:#6e7090;font-size:.8rem}


/* 2-1. 일하는 방식 */
.how{background:var(--black);padding:clamp(6rem,12vw,10rem) 0}
.how .sec-head h2{color:#fff}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,3rem);counter-reset:none}
.principles li{border-top:1px solid #2a2a2a;padding-top:1.8rem}
.principles li:nth-child(2){transition-delay:.1s}.principles li:nth-child(3){transition-delay:.2s}
.principles .num{display:block;color:var(--point);font-size:.85rem;font-weight:800;letter-spacing:.06em}
.principles h3{margin-top:.9rem;font-size:clamp(1.2rem,1.8vw,1.45rem);font-weight:700;line-height:1.4;letter-spacing:-.02em}
.principles p{margin-top:.9rem;color:#b5b5b5;font-size:.95rem;font-weight:300;line-height:1.75}
.principles .case{margin-top:1.2rem;padding-left:.9rem;border-left:2px solid var(--point);color:#8f8f8f;font-size:.85rem;line-height:1.8}

.ai-map{margin-top:clamp(4rem,8vw,6.5rem);background:#111;border:1px solid #232323;border-radius:20px;padding:clamp(1.6rem,3.5vw,3rem)}
.map-title{font-size:1.05rem;font-weight:700}
.flow{display:grid;grid-template-columns:1fr 36px 1.1fr 36px 1.4fr;align-items:stretch;margin-top:1.8rem}
.col{display:flex;flex-direction:column;gap:.8rem;min-width:0}
.col-label{color:#7a7a7a;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.chips,.tools{display:grid;gap:.5rem}
.chips li{border:1px dashed #3a3a3a;border-radius:10px;padding:.7rem .8rem;font-size:.85rem;color:#cfcfcf}
.hub{flex:1;display:flex;flex-direction:column;justify-content:center;gap:.5rem;border-radius:14px;padding:1.3rem 1.1rem;
  background:var(--point);color:#fff;box-shadow:0 10px 30px rgba(255,74,23,.25)}
.hub b{font-size:1.25rem;font-weight:800;letter-spacing:-.01em}
.hub span{font-size:.88rem;line-height:1.5}
.hub .sub{margin-top:.3rem;padding-top:.6rem;border-top:1px solid rgba(255,255,255,.35);font-size:.8rem;opacity:.92}
.tools li{display:flex;flex-direction:column;gap:.15rem;background:#1b1b1b;border:1px solid #2a2a2a;border-radius:10px;padding:.65rem .8rem}
.tools b{font-size:.9rem;font-weight:700}
.tools span{font-size:.78rem;color:#8f8f8f;line-height:1.45}
.arrow{position:relative;align-self:center;height:2px;background:#444;margin:0 4px}
.arrow::after{content:"";position:absolute;right:-1px;top:50%;width:8px;height:8px;border-top:2px solid #444;border-right:2px solid #444;transform:translateY(-50%) rotate(45deg)}
.loop{margin-top:1.8rem;display:flex;align-items:center;gap:.6rem;color:#cfcfcf;font-size:.9rem;
  border-top:1px solid #232323;padding-top:1.4rem}
.loop span{color:var(--point);font-size:1.3rem;line-height:1}
.ai-map figcaption{margin-top:.5rem;color:#6f6f6f;font-size:.8rem}

@media (max-width:1000px){
  .principles{grid-template-columns:1fr;gap:2.4rem}
  .flow{grid-template-columns:1fr;gap:0}
  .arrow{width:2px;height:28px;margin:6px auto;align-self:center}
  .arrow::after{right:auto;left:50%;top:auto;bottom:-1px;transform:translateX(-50%) rotate(135deg)}
  .hub{flex:none}
}

/* 3. 작업 */
.work{background:var(--white);color:var(--ink);padding:clamp(6rem,12vw,10rem) 0 clamp(7rem,14vw,12rem)}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:clamp(3rem,6vw,5rem)}
.sec-head h2{font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:800;letter-spacing:-.02em}
.row{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(1.5rem,4vw,4rem);
  align-items:start;padding-block:clamp(2rem,4vw,3rem)}
.cover{display:grid;place-items:center;aspect-ratio:6/5;border-radius:16px;background:#e9e9e9;
  color:#bdbdbd;font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;letter-spacing:-.02em;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.row:hover .cover{transform:scale(.98)}
.txt{padding-top:.4rem;padding-right:clamp(0rem,6vw,5rem)}
.no{font-size:.95rem;font-weight:800;letter-spacing:.01em}
.txt h3{margin-top:1rem;font-size:clamp(1.3rem,2vw,1.6rem);font-weight:700;letter-spacing:-.02em;line-height:1.35}
.txt .sub{margin-top:.2rem;color:var(--mute);font-size:.9rem}
.txt ul{margin-top:1.4rem;display:grid;gap:.35rem}
.txt li{font-size:1.02rem;font-weight:300;color:#222;padding-left:.9rem;position:relative}
.txt li::before{content:"";position:absolute;left:0;top:.8em;width:4px;height:4px;border-radius:50%;background:var(--point)}
.txt dl{margin-top:1.6rem;display:grid;grid-template-columns:auto 1fr;gap:.35rem 1rem;font-size:.85rem}
.txt dt{color:var(--mute)}
.txt dd{color:#444}
.plus{position:absolute;right:0;bottom:clamp(2rem,4vw,3rem);width:58px;height:58px;border-radius:50%;
  background:var(--point);color:#fff;display:grid;place-items:center;font-size:1.8rem;font-weight:300;line-height:1;
  box-shadow:0 8px 20px rgba(255,74,23,.28);transition:transform .25s}
.plus:hover{transform:rotate(90deg) scale(1.06)}

/* 4. 이력 — 둥근 윗모서리로 흰 섹션을 덮는다 */
.history{background:var(--black);border-radius:clamp(28px,4vw,56px) clamp(28px,4vw,56px) 0 0;margin-top:clamp(-56px,-4vw,-28px);
  position:relative;padding:clamp(6rem,12vw,10rem) 0 clamp(4rem,8vw,6rem)}
.block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:2rem;padding-bottom:clamp(5rem,10vw,8rem)}
.side{align-self:start;position:sticky;top:110px}
.side h2{margin-top:.9rem;font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:800;letter-spacing:-.02em}
.years{display:grid;gap:clamp(1.2rem,2.4vw,2rem)}
.years li{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:1.5rem;
  padding-bottom:clamp(1.2rem,2.4vw,2rem);border-bottom:1px solid #1f1f1f}
.years b{font-size:clamp(3.4rem,8vw,6.6rem);font-weight:800;line-height:.9;letter-spacing:-.04em;
  color:#2a2a2a;transition:color 1.2s ease .2s;font-variant-numeric:tabular-nums}
.years li.in-view b{color:#e8e8e8}
.cap{font-size:.95rem;font-weight:600;line-height:1.45;padding-bottom:.35rem}
.cap small{display:block;margin-top:.35rem;color:#8a8a8a;font-size:.8rem;font-weight:300;line-height:1.6}

/* 5. 어바웃 — 흐르는 사진 띠 */
.about{padding:clamp(5rem,10vw,8rem) 0 clamp(6rem,12vw,10rem);overflow:hidden}
.about .sec-head{margin-bottom:clamp(2rem,4vw,3rem)}
.marquee{overflow:hidden}
.marquee .track{display:flex;gap:16px;width:max-content;animation:flow 60s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes flow{to{transform:translateX(calc(-50% - 8px))}}
.tile{flex:none;height:clamp(220px,30vw,380px);border-radius:6px;overflow:hidden;background:#151515}
.tile img{height:100%;width:auto;object-fit:cover;transition:transform .6s,filter .6s;filter:grayscale(.35) brightness(.85)}
.tile:hover img{transform:scale(1.04);filter:none}

/* 6. 연락 */
.closing{text-align:center;padding:clamp(6rem,14vw,11rem) var(--gut) clamp(7rem,15vw,12rem)}
.closing p{color:#9a9a9a;font-weight:300;font-size:clamp(.95rem,1.3vw,1.1rem)}
.closing .big{display:inline-block;margin-top:clamp(2.5rem,5vw,4rem);font-size:clamp(2rem,6.4vw,5.4rem);font-weight:800;
  letter-spacing:-.035em;line-height:1.1;color:#5a5a5a;transition:color .4s;overflow-wrap:anywhere}
.closing .big.in-view{color:#fff;transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1),color 1.4s ease .3s}
.closing .big:hover{color:var(--point)}

/* 푸터 */
.foot{border-top:1px solid #2a2a2a;text-align:center;padding:2.8rem var(--gut) calc(3.5rem + var(--cb-h,0px));color:#9a9a9a;font-size:.8rem;line-height:2}
.fnav{display:flex;justify-content:center;flex-wrap:wrap;gap:.4rem clamp(1.4rem,3.6vw,3.3rem);font-size:.85rem;margin-bottom:2.8rem}
.fnav a:hover{color:#fff}
.icons{display:flex;justify-content:center;gap:1rem;margin-bottom:1.2rem}
.icons a{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#e9e9e9;color:#111}
.icons svg{width:16px;height:16px}
.foot p a:hover{color:#fff}

/* 맨 위로 */
.totop{position:fixed;right:clamp(1rem,5vw,5.5rem);bottom:clamp(1rem,4vw,2.2rem);z-index:40;width:52px;height:52px;border-radius:50%;
  background:var(--point);color:#fff;display:grid;place-items:center;opacity:0;pointer-events:none;
  transform:translateY(10px);transition:opacity .3s,transform .3s}
.totop.on{opacity:1;pointer-events:auto;transform:none}
.totop svg{width:22px;height:22px}

/* 라이트박스 */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.92);display:grid;place-items:center}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(92vw,1200px);max-height:86vh;border-radius:4px}
.lb-close,.lb-nav{position:absolute;color:#fff;font-size:2.2rem;line-height:1;padding:.6rem 1rem;opacity:.75}
.lb-close:hover,.lb-nav:hover{opacity:1}
.lb-close{top:.6rem;right:.8rem}
.lb-prev{left:.5rem;top:50%;translate:0 -50%}
.lb-next{right:.5rem;top:50%;translate:0 -50%}

/* 태블릿 */
@media (max-width:900px){
  .traits{grid-template-columns:1fr;gap:2.2rem}
  .row{grid-template-columns:1fr;gap:1.6rem}
  .txt{padding-right:4.5rem}
  .block{grid-template-columns:1fr;gap:2.4rem}
  .side{position:static}
}

/* 모바일 */
@media (max-width:640px){
  /* 모바일에서는 메뉴를 두지 않는다 — 로고만 남긴다 */
  .menu{display:none}
  .gnb nav{display:none}
  .hero{padding-bottom:8rem}
  .txt{padding-right:0}
  .plus{position:static;margin-top:1.8rem;width:50px;height:50px}
  .row{padding-block:2rem 2.5rem}
  .years li{grid-template-columns:1fr;gap:.6rem}
  .years b{order:-1}
  .cap{padding-bottom:0}
}


/* Work 머리 — 세 프로젝트를 관통하는 질문 */
.thread{margin:calc(-1 * clamp(1.5rem,3vw,2.5rem)) 0 clamp(3rem,6vw,4.5rem);
  padding:clamp(1.5rem,3vw,2rem) clamp(1.5rem,3vw,2.2rem);
  border-radius:16px;background:#f5f6f8;border:1px solid #e6e8ec}
.thread-lead{font-size:clamp(1rem,1.6vw,1.12rem);font-weight:500;line-height:1.6;color:#3a4048}
.thread-lead b{font-weight:800;color:var(--ink)}
.thread-list{margin-top:1.2rem;display:grid;gap:.85rem;counter-reset:th}
.thread-list li{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;
  align-items:baseline;font-size:.98rem;font-weight:400;line-height:1.6;color:#3a4048}
.thread-list .tn{grid-row:span 2;align-self:start;min-width:3.6rem;padding:.16rem .5rem;
  border-radius:999px;background:var(--ink);color:#fff;
  font-size:.74rem;font-weight:700;letter-spacing:.01em;text-align:center}
.thread-list b{font-weight:700;color:var(--ink)}
.thread-list i{font-style:normal;color:#9aa1a8;padding:0 .1rem}
.thread-list .no-ans{color:var(--point)}
.thread-list small{grid-column:2;display:block;font-size:.82rem;color:#7b828a;line-height:1.55}
@media (max-width:640px){
  .thread{margin-top:0;padding:1.1rem 1.1rem 1.2rem;border-radius:14px}
  .thread-list li{grid-template-columns:1fr;gap:.25rem}
  .thread-list .tn{grid-row:auto;justify-self:start;min-width:0}
  .thread-list small{grid-column:1}
}

/* 히어로 — 관심 연구 키워드 뱃지 */
.hero .keys{margin-top:1.6rem;display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem;
  transition-delay:.25s}
.hero .keys li{padding:.36rem .8rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:#d6d6d6;
  font-size:clamp(.74rem,.9vw,.82rem);font-weight:400;letter-spacing:-.01em;line-height:1.4}
@media (max-width:640px){
  .hero .keys{margin-top:1.3rem;gap:.35rem}
  .hero .keys li{padding:.3rem .65rem}
}
.hero .keys-label{margin-top:2.2rem;color:#8a8a8a;
  font-family:var(--f-mono,inherit);font-size:.7rem;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;transition-delay:.2s}
.hero .keys{margin-top:.7rem}

/* 히어로 제목 — Paperlogy ExtraBold */
@font-face{
  font-family:"Paperlogy";
  src:url("fonts/Paperlogy-8ExtraBold.woff2") format("woff2");
  font-weight:800;font-style:normal;font-display:swap;
}
.hero h1{font-family:"Paperlogy",var(--f);font-weight:800;letter-spacing:-.02em}

/* 히어로 제목 — 윗줄은 흐리게, 아랫줄은 두둥 */
.hero h1 .l1,.hero h1 .l2{display:block}
.hero h1 .l1{color:#fff}
.hero h1 .l2{color:#fff}
.hero h1.in-view .l2{animation:heroBoom .52s cubic-bezier(.18,1.25,.35,1) .45s both}
@keyframes heroBoom{
  0%{opacity:0;transform:translateY(-10px) scale(1.16)}
  55%{opacity:1}
  100%{opacity:1;transform:translateY(0) scale(1)}
}
@media (prefers-reduced-motion:reduce){
  .hero h1.in-view .l2{animation:none}
}


/* 히어로 배경 — 원 두 개가 겹쳐 하나가 된다 (가장자리 선명하게) */
.hero{overflow:hidden;--orb:clamp(200px,32vw,420px)}
.hero .orbs{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.11;
  --merge:0;--sep:calc(1 - var(--merge))}
.hero .orb{position:absolute;left:50%;top:48%;width:var(--orb);aspect-ratio:1;
  margin:calc(var(--orb)/-2) 0 0 calc(var(--orb)/-2);
  border-radius:50%;background:#fff;
  transform:translateX(calc(var(--x) * var(--sep)))}
@property --x{syntax:'<percentage>';initial-value:0%;inherits:false}
.hero .orb.a{animation:orbA 7s cubic-bezier(.62,0,.3,1) infinite}
.hero .orb.b{animation:orbB 7s cubic-bezier(.62,0,.3,1) infinite}
.goo-def{position:absolute;width:0;height:0;overflow:hidden}
@keyframes orbA{
  0%,5%{--x:-46%}
  32%,66%{--x:0%}
  100%{--x:-46%}
}
@keyframes orbB{
  0%,5%{--x:46%}
  32%,66%{--x:0%}
  100%{--x:46%}
}
@media (prefers-reduced-motion:reduce){
  .hero .orb{animation:none}
  .hero .orb.a{--x:-24%}
  .hero .orb.b{--x:24%}
}
.hero .in{position:relative;z-index:1}
.hero .down{z-index:1}

/* 관심 연구 주제 뱃지 — 파스텔 테두리가 하나씩 차례로 밝아진다 */
@property --key-ang{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes key-spin{to{--key-ang:360deg}}
@keyframes key-pulse{
  0%{opacity:.22}
  8%{opacity:1}
  22%{opacity:.22}
  100%{opacity:.22}
}
@keyframes key-text{
  0%{color:#b9bcc0}
  8%{color:#fff}
  22%{color:#b9bcc0}
  100%{color:#b9bcc0}
}
.hero .keys li{position:relative;border-color:transparent;background:transparent;isolation:isolate;
  color:#b9bcc0;animation:key-text 9s ease-in-out infinite}
.hero .keys li::before{content:"";position:absolute;inset:0;border-radius:inherit;z-index:-2;
  background:conic-gradient(from var(--key-ang),
    #ffc9c2, #ffe3bd, #f3f1c0, #c6ecd5, #c3d8f0, #d9cdf0, #ffc9c2);
  animation:key-spin 7s linear infinite, key-pulse 9s ease-in-out infinite}
.hero .keys li::after{content:"";position:absolute;inset:1px;border-radius:inherit;z-index:-1;
  background:#0b0b0b}
.hero .keys li:nth-child(2){animation-delay:-6.75s}
.hero .keys li:nth-child(2)::before{animation-delay:0s,-6.75s}
.hero .keys li:nth-child(3){animation-delay:-4.5s}
.hero .keys li:nth-child(3)::before{animation-delay:0s,-4.5s}
.hero .keys li:nth-child(4){animation-delay:-2.25s}
.hero .keys li:nth-child(4)::before{animation-delay:0s,-2.25s}
@supports not (background: conic-gradient(from 0deg, red, blue)){
  .hero .keys li{border-color:rgba(255,255,255,.22);animation:none;color:#d6d6d6}
  .hero .keys li::before,.hero .keys li::after{display:none}
}
@media (prefers-reduced-motion:reduce){
  .hero .keys li{animation:none;color:#d6d6d6}
  .hero .keys li::before{animation:none;opacity:.5}
}

/* 제목 서체 — 산돌 네모니2 (CDN 링크가 있어야 적용됨) */
.hero h1,.summary h2,.sec-head h2,.side h2,.principles h3,.txt h3,.map-title{
  font-family:"Sandoll Nemony2",var(--f)}

/* 히어로 — 전체적으로 한 단계 크게 */
.hero h1{font-size:clamp(2.6rem,6.4vw,5.6rem)}
.hero p{font-size:clamp(1.05rem,1.45vw,1.28rem);margin-top:2.3rem}
.hero .keys-label{font-size:.78rem;margin-top:2.5rem}
.hero .keys li{font-size:clamp(.84rem,1.05vw,.95rem);padding:.44rem .95rem}
@media (max-width:640px){
  .hero .keys li{font-size:.82rem;padding:.36rem .75rem}
}

/* 히어로 — 연한 주황 형광펜 (구절 단위) */
.hero h1 mark{background:none;color:inherit;
  background-image:linear-gradient(transparent 60%, rgba(255,146,86,.55) 60%);
  padding:0 .1em;margin:0 -.05em;
  box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hero p b{font-weight:700;color:#fff}

/* 전체 서체 — Cafe24 PRO Slim Fit (SIL OFL) */
@font-face{
  font-family:"Cafe24 PRO Slim";
  src:url("fonts/Cafe24PROSlimFit.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
}
/* 제목·부제목만 Cafe24, 본문은 Pretendard 유지 */
.hero h1,.hero p,
.summary h2,.summary .lead,
.sec-head h2,.side h2,
.principles h3,.txt h3,.txt .sub,.map-title,
.thread-lead{font-family:"Cafe24 PRO Slim",var(--f)}

/* 출처 문장을 제목 바로 아래로 옮김 — 여백 재조정 */
.summary .src{margin-top:1.1rem;max-width:56ch;line-height:1.8}
.summary .src b{color:#9a9cb8;font-weight:600}

.hero .orbs{transform-origin:50% 40%;will-change:transform,opacity}

/* 요약 제목 — 연한 주황 형광펜 */
.summary h2 mark{background:none;color:inherit;
  background-image:linear-gradient(transparent 62%, rgba(255,146,86,.5) 62%);
  padding:0 .08em;margin:0 -.04em;
  box-decoration-break:clone;-webkit-box-decoration-break:clone}

/* 요약 섹션 — 아주 연한 주황 배경에 검정 글씨 */
.summary{background:#fdf0e8;color:#131313}
.summary .eyebrow{color:var(--point)}
.summary h2{color:#131313}
.summary h2 mark{background-image:linear-gradient(transparent 62%, rgba(255,146,86,.5) 62%)}
.summary .lead{color:rgba(19,19,19,.74)}
.summary .src{color:rgba(19,19,19,.58)}
.summary .src b{color:#131313}
.summary .traits{border-top-color:rgba(19,19,19,.14)}
.summary .trait .tag{color:var(--point)}
.summary .trait b{color:#131313}
.summary .trait p{color:rgba(19,19,19,.72)}

/* 요약 섹션 — 가운데 정렬 */
.summary .in{text-align:center}
.summary .eyebrow{justify-content:center}
.summary h2{margin-inline:auto}
.summary .src{margin-inline:auto}
.summary .traits{text-align:left}

/* 출처 문단 — 읽을 수 있게 키움 */
.summary .src{font-size:clamp(.92rem,1.15vw,1rem);max-width:62ch;line-height:1.85;margin-top:1.4rem}

/* Claude 캐릭터 */
.summary .clawd{width:clamp(68px,7vw,92px);height:auto;margin:0 auto 1.6rem;display:block}

/* Claude 캐릭터 + 물어본 문단 */
.summary .clawd{margin:4.6rem auto 1.2rem}
.summary .asked{max-width:60ch;margin:0 auto;text-align:center}
.summary .asked p{font-size:clamp(.92rem,1.15vw,1rem);line-height:1.85;color:rgba(19,19,19,.66)}
.summary .asked p + p{margin-top:.5rem}
.summary .asked b{color:#131313;font-weight:700}

/* 세 키워드 — 부연 없이 가운데 */
.summary .traits{text-align:center;padding-top:2.2rem}
.summary .trait b{margin-top:.5rem;font-size:clamp(1.05rem,1.5vw,1.28rem)}
.summary .basis{margin-top:1.8rem;text-align:center;
  font-size:clamp(.85rem,1.05vw,.92rem);color:rgba(19,19,19,.55)}

.hero h1{font-size:clamp(2.1rem,5vw,4.4rem)}
.hero h1 .l2{line-height:1.22}

/* How I Work — 가운데 정렬 */
.how .sec-head{justify-content:center;margin-bottom:1.4rem}
.how-lead{max-width:62ch;margin:0 auto clamp(3rem,6vw,4.5rem);text-align:center;
  color:#b5b5b5;font-size:clamp(.95rem,1.2vw,1.05rem);line-height:1.85;font-weight:300}
.how-lead b{color:#fff;font-weight:700}
.how .principles li{text-align:center}
.how .principles .num{text-align:center}

/* 원칙 2개 배치 */
.principles.two{grid-template-columns:repeat(2,1fr);max-width:820px;margin-inline:auto}
@media (max-width:1000px){ .principles.two{grid-template-columns:1fr} }

/* Define/Build/Align 위 구분선 제거 */
.summary .traits{border-top:0}

.how .principles li{border-top:0;padding-top:0}

/* 도식 — 결과(프로토타입) 칸 추가 */
.flow{grid-template-columns:1fr 30px 1fr 30px 1.15fr 30px .85fr}
.proto{flex:1;display:flex;flex-direction:column;justify-content:center;gap:.4rem;
  border:1px solid #3a3a3a;border-radius:14px;padding:1.2rem 1rem;background:#161616}
.proto b{font-size:1rem;font-weight:700;color:#fff;line-height:1.4}
.proto span{font-size:.8rem;color:#8f8f8f;line-height:1.5}
.col-label code{font-family:var(--f-mono,ui-monospace,monospace);font-size:.92em;
  color:#cfcfcf;background:#232323;border-radius:4px;padding:.05em .3em}
@media (max-width:1000px){ .flow{grid-template-columns:1fr} }

.flow-svg{width:100%;height:auto;display:block;margin-top:1.8rem}

/* 이력 — 큰 연도 숫자 제거 */
.years b{display:none}
.years li{grid-template-columns:1fr;gap:0}

/* 이력 컨테이너 — 라운드 제거 */
.history{border-radius:0;margin-top:0}

/* 경력·수상·학력 라벨 — 스크롤 시 붙지 않게 */
.side{position:static}

/* About 사진 — 전부 흑백 */
.tile img{filter:grayscale(1) brightness(.9)}
.tile:hover img{filter:grayscale(1) brightness(1.05)}

/* About 사진 — 세 장씩 보이는 캐러셀, 색 그대로 */
.tile img{filter:none}
.tile:hover img{filter:none;transform:scale(1.03)}
.carousel{position:relative}
.carousel .track{display:flex;gap:16px;width:auto;animation:none;
  overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
  padding-inline:var(--gut)}
.carousel .track::-webkit-scrollbar{display:none}
.carousel .tile{flex:0 0 calc((100% - var(--gut)*2 - 32px)/3);height:auto;aspect-ratio:3/4;scroll-snap-align:start}
.carousel .tile img{width:100%;height:100%;object-fit:cover}
.cbtn{position:absolute;top:50%;translate:0 -50%;z-index:2;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.92);color:#111;font-size:1.5rem;line-height:1;display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(0,0,0,.35);transition:transform .2s}
.cbtn:hover{transform:scale(1.08)}
.cbtn.prev{left:calc(var(--gut) - 22px)}
.cbtn.next{right:calc(var(--gut) - 22px)}
@media (max-width:760px){
  .carousel .tile{flex:0 0 calc(100% - var(--gut)*2)}
  .cbtn{width:38px;height:38px;font-size:1.3rem}
}

.carousel .tile{height:auto!important;min-height:0}
.carousel .tile img{display:block}

/* 정확히 세 장만 보이게 */
.carousel .track{padding-inline:0;width:min(100% - var(--gut)*2,var(--max));margin-inline:auto}
.carousel .tile{flex:0 0 calc((100% - 32px)/3)}
.cbtn.prev{left:calc(var(--gut) - 22px)}
.cbtn.next{right:calc(var(--gut) - 22px)}
@media (max-width:760px){ .carousel .tile{flex:0 0 100%} }

/* Character 섹션 — 흰 배경으로 분리 */
.about{background:var(--white);color:var(--ink);padding:clamp(5rem,10vw,8rem) 0 clamp(6rem,12vw,9rem)}
.about .sec-head h2{color:var(--ink)}
.about .tile{background:#ececec}
.cbtn{background:#111;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.22)}

/* Character — 가운데 정렬, 버튼은 호버 시에만 */
.about .sec-head{justify-content:center}
.cbtn{display:grid;place-items:center;padding:0;border:0;line-height:0;
  opacity:0;pointer-events:none;transition:opacity .25s,transform .2s}
.carousel:hover .cbtn,.cbtn:focus-visible{opacity:1;pointer-events:auto}
.cbtn svg{width:20px;height:20px;display:block}

/* Character — 소개 문단 */
.about-lead{max-width:60ch;margin:0 auto clamp(3rem,6vw,4.5rem);text-align:center;
  color:#4a4a4a;font-size:clamp(.98rem,1.25vw,1.1rem);line-height:1.9;font-weight:300}
.about-lead b{color:var(--ink);font-weight:700}

/* 마무리 글 */
.about-lead{max-width:64ch}
.about-lead p + p{margin-top:1.4rem}
.about-lead .fin{margin-top:2.6rem;font-size:clamp(1.05rem,1.4vw,1.22rem);
  font-weight:500;color:var(--ink);line-height:1.8}

/* 이력 섹션 제목 — 대문자 */
.history .side .eyebrow{text-transform:uppercase;letter-spacing:.08em}

/* 이력 항목 — 접고 펴기 */
.years details{width:100%}
.years summary{display:flex;align-items:center;gap:.7rem;cursor:pointer;list-style:none;padding:.15rem 0}
.years summary::-webkit-details-marker{display:none}
.years summary .cap{flex:1 1 auto;padding-bottom:0}
.years .tag{flex:none;font-size:.7rem;font-weight:600;letter-spacing:.02em;color:#c9c9c9;
  border:1px solid #3a3a3a;border-radius:999px;padding:.24rem .6rem;white-space:nowrap}
.years .chev{flex:none;width:16px;height:16px;color:#7a7a7a;transition:transform .25s,color .25s}
.years summary:hover .chev{color:#fff}
.years details[open] .chev{transform:rotate(180deg)}
.years .detail{margin-top:.55rem;color:#8a8a8a;font-size:.8rem;font-weight:300;line-height:1.6}
.years .detail.note{margin-top:.7rem;color:#a6a6a6;line-height:1.75;max-width:60ch}
.years .detail.note b{display:inline;color:#e8e8e8;font-weight:600;font-size:inherit;line-height:inherit;letter-spacing:normal}
.years .detail.note + .detail.note{margin-top:.9rem}

/* 프로젝트 카드 — 연구 질문 강조 */
.row .txt dd.rq{color:var(--ink);font-weight:600}

/* Work — Lean 과 같은 가운데 정렬 */
.work .sec-head{justify-content:center;margin-bottom:1.4rem}
.work-lead{max-width:74ch;margin:0 auto clamp(3rem,6vw,4.5rem);text-align:center;
  font-size:clamp(.95rem,1.2vw,1.05rem);font-weight:300;line-height:1.85;color:#3a4048}
.work-lead b{font-weight:700;color:var(--ink)}

/* Work — 프로젝트 갤러리 카드 */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2vw,1.6rem)}
.gcard{position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:clamp(340px,40vw,480px);border-radius:18px;overflow:hidden;
  background:#1a1d21;isolation:isolate}
.gcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.gcard::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,14,0) 32%,rgba(10,12,14,.55) 58%,rgba(10,12,14,.92) 100%)}
.gcard:hover img{transform:scale(1.05)}
.gtxt{position:relative;z-index:1;padding:clamp(1.2rem,2.2vw,1.8rem);color:#fff}
.gtxt h3{font-size:clamp(1.15rem,1.7vw,1.45rem);font-weight:700;letter-spacing:-.02em;line-height:1.3}
.gq{margin-top:.5rem;font-size:clamp(.86rem,1.1vw,.95rem);font-weight:300;line-height:1.55;
  color:rgba(255,255,255,.82)}
.gkeys{margin-top:.9rem;display:flex;flex-wrap:wrap;gap:.35rem}
.gkeys li{padding:.24rem .6rem;border-radius:999px;border:1px solid rgba(255,255,255,.34);
  font-size:.72rem;font-weight:500;letter-spacing:.01em;color:rgba(255,255,255,.9)}
@media (max-width:900px){ .gallery{grid-template-columns:1fr;gap:1.1rem} .gcard{min-height:clamp(300px,58vw,380px)} }

/* 갤러리 카드 — 칩을 기준선으로, 위로 쌓인다 */
.gtxt h3{text-wrap:balance}
.gq{text-wrap:pretty;max-width:34ch;font-weight:500;color:#fff}
.gsub{margin-top:.45rem;max-width:36ch;text-wrap:pretty;
  font-size:clamp(.78rem,1vw,.86rem);font-weight:300;line-height:1.6;color:rgba(255,255,255,.72)}
.gkeys{margin-top:1rem}