@import url('https://cdn.jsdelivr.net/npm/pretendard@1.3.9/dist/web/variable/pretendardvariable.min.css');

@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@200;300;400&display=swap');

:root{
  --bg:#050608;
  --ink:#e9edf5;
  --dim:rgba(233,237,245,.64);
  --faint:rgba(233,237,245,.38);
  --ghost:rgba(233,237,245,.035);
  --hair:rgba(233,237,245,.12);
  --hair-soft:rgba(233,237,245,.07);
  --blue:#2e63ff;
  --navy:#0a1230;
  --latin:'Inter Tight','Helvetica Neue',Helvetica,Arial,sans-serif;
  --kr:'Pretendard Variable','Pretendard','Apple SD Gothic Neo',-apple-system,'Helvetica Neue',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--latin);
  font-weight:300;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}
::selection{background:rgba(46,99,255,.35);color:#fff}
img{display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.kr{font-family:var(--kr);word-break:keep-all;overflow-wrap:normal}

.wrap{max-width:1296px;margin:0 auto;padding:0 64px}

/* ---------- micro labels ---------- */
.micro{
  font-family:var(--latin);
  font-size:10.5px;
  font-weight:400;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--faint);
}
.micro b{font-weight:400;color:var(--blue)}

/* ---------- nav ---------- */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:26px 48px;
  background:linear-gradient(rgba(5,6,8,.82),rgba(5,6,8,0));
  border-bottom:1px solid transparent;
  transition:border-color .6s ease,background .6s ease;
}
#nav.scrolled{
  border-bottom-color:var(--hair-soft);
  background:linear-gradient(rgba(5,6,8,.94),rgba(5,6,8,.75));
}
#nav .brand{font-size:11.5px;font-weight:400;letter-spacing:.34em;text-transform:uppercase;color:var(--ink)}
#nav .links{display:flex;gap:38px}
#nav .links a{
  font-size:10px;font-weight:400;letter-spacing:.26em;text-transform:uppercase;
  color:var(--faint);transition:color .5s ease,letter-spacing .5s ease;
}
#nav .links a:hover{color:var(--ink);letter-spacing:.31em}

/* ---------- hero ---------- */
#hero{
  position:relative;
  height:100vh;min-height:700px;max-height:1150px;
  display:flex;flex-direction:column;align-items:center;
  overflow:hidden;
}
/* Title-sequence backdrop: the ETH Seoul stage win, graded into the
   page's grayscale film-family, sitting under the navy glow + wordmark. */
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden;background:#04060b}
.hero-bg img{
  width:100%;height:100%;object-fit:cover;object-position:50% 30%;
  filter:grayscale(1) brightness(.46) contrast(1.06);
}
.hero-bg__scrim{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(118% 76% at 50% 44%, rgba(3,5,11,.60) 0%, rgba(3,5,11,.28) 42%, rgba(3,5,11,0) 72%),
    linear-gradient(180deg, rgba(3,5,11,.74) 0%, rgba(3,5,11,.12) 19%, rgba(3,5,11,.10) 58%, rgba(3,5,11,.90) 100%);
}
#hero::before{
  content:'';position:absolute;inset:-20%;z-index:1;
  background:
    radial-gradient(1100px 720px at 72% 24%, rgba(10,18,48,.62), transparent 68%),
    radial-gradient(900px 680px at 18% 88%, rgba(10,18,48,.5), transparent 70%),
    radial-gradient(560px 420px at 50% 55%, rgba(17,30,74,.30), transparent 75%);
  pointer-events:none;
}
.hero-top{position:relative;z-index:2;margin-top:118px;text-align:center}
.hero-center{
  position:relative;z-index:2;flex:1;display:flex;flex-direction:column;
  justify-content:center;align-items:center;text-align:center;
  padding-bottom:40px;
}
.wordmark{line-height:.94;user-select:none}
.wordmark .l1{
  display:block;
  font-size:12.4vw;font-weight:200;letter-spacing:.012em;
  color:var(--ink);
}
.wordmark .l2{
  display:block;
  font-size:7.62vw;font-weight:200;letter-spacing:.052em;
  color:transparent;-webkit-text-stroke:1.2px rgba(233,237,245,.52);
  margin-top:.6vw;
}
.hero-rule{
  width:148px;height:1px;background:var(--blue);
  margin:54px auto 0;
}
.hero-sub{margin-top:30px}
.scroll-cue{
  position:relative;z-index:2;margin-bottom:34px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.scroll-cue .micro{letter-spacing:.4em;font-size:9.5px}
.scroll-cue .line{
  width:1px;height:54px;overflow:hidden;position:relative;
  background:rgba(233,237,245,.1);
}
.scroll-cue .line::after{
  content:'';position:absolute;left:0;top:-100%;width:1px;height:100%;
  background:var(--blue);
  animation:cue 2.6s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes cue{0%{top:-100%}55%{top:100%}100%{top:100%}}

/* ---------- chapters ---------- */
.chapter{position:relative;overflow:clip}
.ghost{
  position:absolute;z-index:0;
  font-size:20vw;font-weight:200;line-height:.8;
  color:var(--ghost);letter-spacing:-.02em;
  pointer-events:none;user-select:none;
  will-change:transform;
}
.ch-head{position:relative;z-index:1}
.ch-head .micro{display:block;margin-bottom:34px}
.ch-title{
  font-size:clamp(36px,3.9vw,58px);
  font-weight:200;letter-spacing:-.01em;line-height:1.12;
  color:var(--ink);
}
.ch-title .dim{color:var(--faint)}

/* reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 1.1s cubic-bezier(.22,.6,.2,1),transform 1.1s cubic-bezier(.22,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.12s}
.reveal.d2{transition-delay:.24s}
.reveal.d3{transition-delay:.36s}
html.shot-mode .reveal{opacity:1!important;transform:none!important}
html.shot-mode [data-plx]{transform:none!important}
html.shot-mode .scroll-cue .line::after{top:30%}

/* ---------- stills (photo treatment) ---------- */
.still{position:relative;overflow:hidden;background:#0a0d14}
.still .iw{position:absolute;left:0;right:0;top:-30px;bottom:-30px;will-change:transform}
.still img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) brightness(.78) contrast(1.05);
  transition:filter 1s ease,transform 1s ease;
}
.still::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(165deg,rgba(13,24,62,.38),rgba(5,6,8,.18) 55%,rgba(5,6,8,.45));
  transition:opacity 1s ease;
}
.caption{
  margin-top:16px;
  font-size:9.5px;font-weight:400;letter-spacing:.3em;text-transform:uppercase;
  color:var(--faint);
}
.caption i{font-style:normal;color:var(--blue)}

/* ---------- 01 story ---------- */
#story{padding:230px 0 200px}
#story .ghost{top:120px;right:-2vw}
.story-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:96px;align-items:start;margin-top:96px;
}
.story-copy p.kr{
  font-size:16.5px;font-weight:300;line-height:1.95;
  color:var(--dim);max-width:33em;
}
.story-copy p.kr + p.kr{margin-top:34px}
.story-stats{
  margin-top:72px;padding-top:30px;border-top:1px solid var(--hair-soft);
  display:flex;gap:44px;flex-wrap:wrap;
}
.story-stats .s .n{font-size:30px;font-weight:200;color:var(--ink);line-height:1.2}
.story-stats .s .l{margin-top:6px;font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--faint);font-weight:400}
.story-still .still{aspect-ratio:10/11.4}
.story-still .still img{filter:grayscale(1) brightness(.62) contrast(1.06)}
.story-still{margin-top:14px}

/* ---------- 02 practice ---------- */
#practice{padding:200px 0 210px}
#practice .ghost{top:90px;left:-3vw}
.svc-list{position:relative;z-index:1;margin-top:104px}
.svc{
  display:grid;
  grid-template-columns:120px minmax(0,.92fr) minmax(0,1.18fr);
  gap:48px;align-items:baseline;
  padding:58px 0;
  border-top:1px solid var(--hair-soft);
  position:relative;
}
.svc:last-child{border-bottom:1px solid var(--hair-soft)}
.svc::before{
  content:'';position:absolute;left:0;top:-1px;height:1px;width:0;
  background:var(--blue);transition:width 1s cubic-bezier(.22,.6,.2,1);
}
.svc:hover::before{width:120px}
.svc-idx{
  font-size:13px;font-weight:300;letter-spacing:.22em;color:rgba(233,237,245,.46);
  transition:color .6s ease;
}
.svc:hover .svc-idx{color:var(--blue)}
.svc h3{
  font-family:var(--kr);word-break:keep-all;overflow-wrap:normal;
  font-size:27px;font-weight:400;line-height:1.5;letter-spacing:-.005em;
  color:var(--ink);
}
.svc p{
  font-family:var(--kr);word-break:keep-all;overflow-wrap:normal;
  font-size:15px;font-weight:300;line-height:1.9;color:var(--dim);
  max-width:36em;
}

/* ---------- 03 recognition ---------- */
#recognition{padding:200px 0 140px}
#recognition .ghost{top:110px;right:-2.5vw}
.rec-intro{
  margin-top:30px;
  font-size:16.5px;font-weight:300;line-height:1.9;color:var(--dim);
}
/* === recognition: text list ⇄ media stage (hover reveals media) === */
.ach{
  position:relative;z-index:1;margin-top:92px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);
  column-gap:72px;align-items:start;
}
.ach-list{display:flex;flex-direction:column}
.ach-row{
  position:relative;display:block;width:100%;text-align:left;cursor:pointer;
  font:inherit;color:inherit;background:none;border:0;border-top:1px solid var(--hair-soft);
  padding:21px 2px 22px;opacity:.4;transition:opacity .5s ease;
}
.ach-list .ach-row:last-child{border-bottom:1px solid var(--hair-soft)}
.ach-row.is-active{opacity:1}
.ach-row::before{
  content:'';position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--blue);
  box-shadow:0 0 9px rgba(46,99,255,.6);transition:width .5s cubic-bezier(.22,.6,.2,1);
}
.ach-row.is-active::before{width:40px}
.ach-ev{font-size:27px;font-weight:300;letter-spacing:.004em;line-height:1.18;color:var(--ink)}
.ach-ev.kr{font-family:var(--kr);font-weight:400;word-break:keep-all;overflow-wrap:normal}
.ach-flag{
  margin-left:14px;font-family:var(--latin);font-size:9px;font-weight:500;
  letter-spacing:.26em;text-transform:uppercase;color:var(--blue);vertical-align:middle;white-space:nowrap;
}
.ach-sub{margin-top:10px;display:flex;flex-direction:column;gap:5px}
.ach-sub .l1{font-size:14.5px;font-weight:400;letter-spacing:.01em;color:var(--dim)}
.ach-sub .l2{font-size:13px;font-weight:300;letter-spacing:.012em;color:var(--faint)}
.ach-sub .kr{font-family:var(--kr);word-break:keep-all;overflow-wrap:normal}
/* media stage */
.ach-stage{
  position:sticky;top:96px;margin-left:auto;
  width:100%;max-width:462px;aspect-ratio:527/793;
  border-radius:20px;overflow:hidden;
  background:linear-gradient(158deg,#111c38 0%,#0a1124 72%);
  border:1px solid rgba(150,180,255,.12);
  box-shadow:0 46px 110px -54px rgba(0,0,0,.92);
}
.ach-media{
  position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .55s ease;
  display:flex;align-items:center;justify-content:center;
}
.ach-media.is-active{opacity:1;pointer-events:auto}
.ach-media img{width:100%;height:100%;object-fit:cover;display:block}
.ach-media--empty{background:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2040%2040'%20fill='none'%20stroke='%23a9bdff'%20stroke-opacity='0.22'%20stroke-width='1'%3E%3Cpath%20d='M20%202%2035%2020%2020%2038%205%2020Z'/%3E%3Cpath%20d='M20%202V38M5%2020H35'/%3E%3C/svg%3E") center/48px no-repeat}
.ach-media--video iframe{width:100%;aspect-ratio:16/9;border:0;display:block}

/* ---------- 04 team ---------- */
#team{padding:200px 0 210px}
#team .ghost{top:100px;left:-3vw}
.leads{
  position:relative;z-index:1;margin-top:52px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:48px;
}
.gps{
  position:relative;z-index:1;margin-top:58px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.person .still{aspect-ratio:16/10}
.gps .person .still{aspect-ratio:3/4}
.person:hover img{filter:grayscale(0) brightness(.92) contrast(1);transform:scale(1.035)}
.person:hover .still::after{opacity:.25}
.p-meta{margin-top:24px}
.p-name{
  font-size:26px;font-weight:200;letter-spacing:.005em;color:var(--ink);line-height:1.35;
}
.p-name .han{font-family:var(--kr);font-weight:300;color:var(--dim);margin-left:10px;font-size:23px}
.gps .p-name{font-size:18px}
.gps .p-name .han{font-size:15.5px;margin-left:8px}
.p-role{
  margin-top:9px;
  font-size:10.5px;font-weight:400;letter-spacing:.3em;text-transform:uppercase;color:var(--blue);
}
.p-cred{
  margin-top:14px;
  font-family:var(--kr);word-break:keep-all;overflow-wrap:normal;
  font-size:13.5px;font-weight:300;line-height:1.85;color:var(--faint);
}
.gps .p-meta{margin-top:18px}
.gps .p-role{margin-top:7px;letter-spacing:.26em;font-size:9px}
.gps .p-cred{font-size:11px;margin-top:11px}

/* ---------- 05 contact ---------- */
#contact{padding:220px 0 150px;min-height:calc(100vh + 50px)}
#contact .ghost{top:60px;right:-2vw}
.closing{
  position:relative;z-index:1;margin-top:90px;
  font-size:clamp(52px,6.6vw,98px);
  font-weight:200;letter-spacing:-.012em;line-height:1.04;color:var(--ink);
}
.closing .out{
  color:transparent;-webkit-text-stroke:1px rgba(233,237,245,.45);
}
.channels{position:relative;z-index:1;margin-top:110px}
.channel{
  display:grid;grid-template-columns:200px minmax(0,1fr) 60px;
  align-items:center;gap:40px;
  padding:46px 0;border-top:1px solid var(--hair-soft);
  transition:border-color .6s ease;
}
.channel:last-child{border-bottom:1px solid var(--hair-soft)}
.channel .ch-label{
  font-size:10px;font-weight:400;letter-spacing:.32em;text-transform:uppercase;color:var(--faint);
  transition:color .6s ease;
}
.channel .ch-link{
  font-size:clamp(22px,2.3vw,32px);font-weight:200;letter-spacing:.01em;color:var(--ink);
  transition:color .6s ease,letter-spacing .6s ease;
}
.channel .ch-arrow{
  font-size:24px;font-weight:200;color:var(--faint);text-align:right;
  transition:transform .6s cubic-bezier(.22,.6,.2,1),color .6s ease;
}
.channel:hover .ch-link{color:var(--blue);letter-spacing:.035em}
.channel:hover .ch-label{color:var(--ink)}
.channel:hover .ch-arrow{transform:translateX(10px);color:var(--blue)}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--hair-soft);
  padding:46px 48px 52px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
}
footer .c{font-size:12px;font-weight:300;color:var(--faint);letter-spacing:.04em}
footer .r{font-size:9.5px;font-weight:400;letter-spacing:.3em;text-transform:uppercase;color:rgba(233,237,245,.26)}

/* atmospheric gradients on dark chapters */
#recognition::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1100px 800px at 88% 18%, rgba(10,18,48,.5), transparent 70%);
}
#contact::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1000px 700px at 14% 80%, rgba(10,18,48,.55), transparent 70%);
}
#team::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(900px 700px at 8% 30%, rgba(10,18,48,.4), transparent 72%);
}

section{scroll-margin-top:60px}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .wrap{padding:0 48px}
  .story-grid{gap:64px}
  .gps{gap:20px}
}
@media (max-width:920px){
  .ach{grid-template-columns:1fr;column-gap:0;margin-top:66px}
  /* position:relative (not static) so the absolutely-positioned .ach-media
     still resolves against the stage box and is clipped to it. With static,
     the media escaped to .ach{position:relative} and covered the award list. */
  .ach-stage{position:relative;order:-1;width:100%;max-width:460px;margin:0 0 34px;top:auto}
  .ach-row{padding:18px 2px 20px}
}
@media (max-width:480px){
  body{font-size:15px}
  .wrap{padding:0 24px}
  #nav{padding:14px 18px;justify-content:center}
  #nav .brand{display:none}
  #nav .links{gap:22px}
  #hero{min-height:600px}
  .hero-top{margin-top:96px;padding:0 18px}
  .hero-top .micro{letter-spacing:.22em;font-size:9px}
  .hero-sub{font-size:8.5px;letter-spacing:.14em;padding:0 18px}
  .wordmark .l1{font-size:19.5vw}
  .wordmark .l2{font-size:12vw;-webkit-text-stroke-width:1px}
  .hero-rule{margin-top:38px;width:96px}
  .ghost{font-size:38vw}
  #story{padding:130px 0 110px}
  #practice,#recognition,#team{padding:110px 0 120px}
  #contact{padding:130px 0 100px}
  .ch-head .micro{margin-bottom:22px}
  .story-grid{grid-template-columns:1fr;gap:56px;margin-top:56px}
  .story-copy p.kr{font-size:15.5px}
  .story-stats{display:grid;grid-template-columns:1fr 1fr;gap:30px 18px;margin-top:52px}
  .story-still .still{aspect-ratio:4/4.4}
  .svc-list{margin-top:60px}
  .svc{grid-template-columns:1fr;gap:14px;padding:40px 0}
  .svc h3{font-size:21px}
  .ach-stage{max-width:none;margin-bottom:26px}
  .ach-ev{font-size:21px}
  .leads{grid-template-columns:1fr;gap:64px;margin-top:60px}

  .gps{grid-template-columns:repeat(2,1fr);gap:34px 18px;margin-top:60px}
  .gps .p-name{font-size:18px}
  .gps .p-name .han{font-size:14.5px;margin-left:7px}
  .gps .p-role{font-size:9.5px;letter-spacing:.24em;margin-top:8px}
  .gps .p-cred{font-size:12px;margin-top:12px}
  .closing{margin-top:48px;font-size:15vw}
  .channels{margin-top:64px}
  .channel{grid-template-columns:1fr;gap:10px;padding:32px 0}
  .channel .ch-arrow{display:none}
  .channel .ch-link{font-size:19px}
  footer{flex-direction:column;align-items:flex-start;gap:12px;padding:36px 24px 44px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-cue .line::after{animation:none}
  html{scroll-behavior:auto}
}
.ss-wrap{position:relative;width:100%;height:100%;overflow:hidden}
.ss-slide{position:absolute;inset:0;opacity:0;transition:opacity 2s ease-in-out;transform:scale(1);transform-origin:center center}
.ss-slide.ss-active{opacity:1;animation:ss-kb 12s ease-in-out forwards}
@keyframes ss-kb{from{transform:scale(1)}to{transform:scale(1.07)}}
html.shot-mode .ss-slide{transition:none!important;animation:none!important}

/* ── PORTFOLIO ── */
#portfolio{padding:200px 0 160px}
#portfolio .ghost{top:100px;left:-3vw}
.port-intro{max-width:540px;margin-top:24px;font-size:15px;font-weight:400;line-height:1.72;color:var(--dim)}
.port-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:48px 28px;margin-top:80px;
}
.port-card{display:flex;flex-direction:column;gap:14px;text-decoration:none;color:inherit;cursor:pointer}
.port-logo{
  width:100%;aspect-ratio:1;border-radius:14px;overflow:hidden;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.07);
}
.port-logo img{width:100%;height:100%;object-fit:cover;display:block}
.port-meta{display:flex;flex-direction:column;gap:5px}
.port-name{font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--ink)}
.port-desc{font-size:13.5px;line-height:1.55;color:var(--dim);font-weight:400}
.port-desc.kr{font-family:var(--kr);word-break:keep-all}
.port-tags{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-bottom:9px}
.port-tag{
  position:relative;
  font-family:var(--kr);font-size:9.5px;font-weight:500;
  letter-spacing:.1em;line-height:1;color:var(--blue);
}
.port-tag + .port-tag::before{
  content:"";position:absolute;left:-7px;top:50%;transform:translateY(-50%);
  width:1px;height:10px;background:var(--hair);
}
@media(max-width:920px){
  #portfolio{padding:140px 0 120px}
  .port-grid{grid-template-columns:repeat(2,1fr);gap:36px 20px}
}
@media(max-width:480px){
  #portfolio{padding:110px 0 100px}
  .port-grid{grid-template-columns:repeat(2,1fr);gap:24px 14px;margin-top:56px}
  .port-intro{font-size:14px}
}

/* ── TAB NAVIGATION ── */
.tab-btn{
  font-family:var(--latin);
  font-size:10px;
  font-weight:400;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--faint);
  background:none;
  border:none;
  padding:0;
  cursor:pointer;
  position:relative;
  transition:color .5s ease,letter-spacing .5s ease;
}

.tab-btn::after{
  content:'';
  position:absolute;
  bottom:-5px;
  left:50%;right:50%;
  height:1px;
  background:var(--blue);
  transition:left .35s cubic-bezier(.22,.6,.2,1),right .35s cubic-bezier(.22,.6,.2,1);
}

.tab-btn.active{
  color:var(--ink);
  letter-spacing:.31em;
}

.tab-btn.active::after{
  left:0;right:0;
}

.tab-btn:hover:not(.active){
  color:var(--ink);
  letter-spacing:.31em;
}

/* tab-panel display rules removed — the page is now one continuous scroll */

@media(max-width:640px){
  .tab-btn{font-size:8.5px;letter-spacing:.22em}
  .tab-btn.active{letter-spacing:.26em}
}

/* ── BIO MODAL ── */
.bio-modal{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  padding:32px 24px;overflow-y:auto;
  background:rgba(5,6,8,.88);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  opacity:0;pointer-events:none;
  transition:opacity .35s ease;
}
.bio-modal.is-open{opacity:1;pointer-events:auto}
.bio-modal-inner{
  position:relative;width:100%;max-width:820px;
  background:rgba(12,14,20,.97);
  border:1px solid var(--hair);
  padding:56px 60px;
}
.bio-modal-close{
  position:absolute;top:20px;right:24px;
  font-size:22px;line-height:1;
  color:var(--faint);background:none;border:none;cursor:pointer;
  font-family:var(--latin);transition:color .2s;
}
.bio-modal-close:hover{color:var(--ink)}
.bio-modal-layout{
  display:grid;grid-template-columns:200px 1fr;gap:48px;align-items:start;
}
.bio-modal-photo{aspect-ratio:3/4;overflow:hidden}
.bio-modal-photo img{
  width:100%;height:100%;object-fit:cover;object-position:50% 22%;
  filter:brightness(.92) contrast(1.05);
}
.bio-modal-creds{padding:16px 0 0;display:flex;flex-direction:column;gap:14px}
.bio-cred-section{display:flex;flex-direction:column;gap:5px}
.bio-cred-label{font-size:9.5px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--blue);margin-bottom:2px}
.bio-cred-items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}
.bio-cred-items li{font-size:13px;font-weight:300;color:var(--dim);letter-spacing:.01em;line-height:1.45}
.bio-modal-name{font-size:22px;font-weight:200;color:var(--ink);letter-spacing:.005em}
.bio-modal-name .han{
  font-family:var(--kr);font-weight:300;color:var(--dim);
  margin-left:10px;font-size:18px;
}
.bio-modal-role{
  margin-top:6px;font-size:9.5px;font-weight:400;
  letter-spacing:.3em;text-transform:uppercase;color:var(--blue);
}
.bio-modal-quote{
  margin:28px 0 22px;padding-left:18px;
  border-left:1px solid var(--blue);
  font-size:15px;font-weight:300;line-height:1.72;
  color:var(--ink);word-break:keep-all;
}
.bio-modal-bio p{
  font-size:14px;font-weight:300;line-height:1.9;
  color:var(--dim);word-break:keep-all;margin-bottom:16px;
}
.bio-modal-bio p:last-child{margin-bottom:0}
@media(max-width:720px){
  .bio-modal-inner{padding:40px 28px}
  .bio-modal-layout{grid-template-columns:1fr;gap:24px}
  .bio-modal-photo{aspect-ratio:16/9;max-height:220px}
}

/* ── BIO MODAL RESEARCH ── */
.bio-modal-research{margin-top:28px;padding-top:22px;border-top:1px solid var(--hair)}
.bio-modal-research-label{font-size:9px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.bio-modal-papers{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.bio-modal-papers li{display:flex;align-items:baseline;gap:8px}
.bio-modal-papers li::before{content:'↗';color:var(--blue);font-size:10px;flex-shrink:0;line-height:1}
.bio-modal-papers a{font-size:12.5px;font-weight:300;color:var(--dim);text-decoration:none;line-height:1.55;transition:color .2s}
.bio-modal-papers a:hover{color:var(--ink)}

/* ── VIDEO EMBED ── */
.video-embed{
  margin-top:72px;
  position:relative;width:100%;
  aspect-ratio:16/9;
  background:#000;
  border:1px solid var(--hair);
}
.video-embed iframe{
  position:absolute;inset:0;width:100%;height:100%;border:none;
}
@media(max-width:640px){
  .video-embed{margin-top:48px}
}

/* ============================================================
   MOBILE OPTIMIZATION — appended last so these win the cascade
   over the earlier ≤640 / ≤480 rules. Nothing here matches above
   480px, so the desktop view is unchanged.
   ============================================================ */

/* Tab bar on phones: the brand is hidden ≤480 (above), so the four
   tabs become a centered, tappable bar. Keep the on-brand 8.5px micro
   type, but add tap padding and equalize active/idle letter-spacing so
   switching tabs doesn't shift their widths. (After the ≤640 block so
   these override its sizing for phones.) */
@media (max-width:480px){
  .tab-btn{padding:9px 4px;letter-spacing:.2em}
  .tab-btn.active{letter-spacing:.2em}
  .tab-btn::after{bottom:3px}
}

/* Bio modal: keep it centered when it fits, but fully scrollable with
   the top reachable when a long bio overflows a short screen. margin:auto
   on a flex child is visually identical to the centered desktop modal
   when the content fits, and degrades to top-aligned + scroll when it
   doesn't (the align-items:center clip bug). */
@media (max-width:720px){
  .bio-modal-inner{margin:auto}
}