*,*::before,*::after{box-sizing:border-box}
:root{
  --brand:#1e5f30; --brand-2:#2d8a45; --accent:#51a849; --amber:#eeb94d;
  --ink:#17211a; --ink-2:#46564a; --ink-3:#7c8a7b;
  --bg:#fff; --bg-2:#f5f8f3; --line:#e1e9dc; --dark:#0e2712;
  --nav:76px; --max:1240px;
  --ease:cubic-bezier(.22,.68,.32,1);
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 40px}

/* ══════ scroll snap ══════ */
main{scroll-snap-type:y proximity}
.sec{min-height:100vh;display:flex;align-items:center;padding:calc(var(--nav) + 72px) 0 72px;
  scroll-snap-align:start;position:relative}
.sec.tight{min-height:auto;padding:110px 0}
.dark{background:var(--dark);color:#fff}

/* ══════ photographic bands ══════
   Swap a background: replace the matching file in assets/bg/ (same filename).
   hero.jpg · research.jpg · onehealth.jpg · contact.jpg  */
.sec.photo{color:#fff;position:relative;background:var(--dark);isolation:isolate}
.sec.photo::before{content:"";position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;background-repeat:no-repeat}
.sec.photo::after{content:"";position:absolute;inset:0;z-index:-1}
#research.photo::before{background-image:url(bg/research.jpg)}
#onehealth.photo::before{background-image:url(bg/onehealth.jpg)}
#contact.photo::before{background-image:url(bg/contact.jpg)}
/* dark-content bands: heavy overlay for white text */
#research.photo::after{background:linear-gradient(115deg,rgba(6,17,10,.93) 0%,rgba(7,26,13,.82) 55%,rgba(10,39,18,.7) 100%)}
#contact.photo::after{background:linear-gradient(115deg,rgba(5,13,8,.92) 0%,rgba(7,26,13,.85) 100%)}
/* one-health: subject (puppy+kitten) sits left, so text goes right and the
   overlay darkens the right side while keeping the animals visible on the left */
#onehealth.photo{color:#fff}
#onehealth.photo::before{background-position:left 30%}
#onehealth.photo::after{background:linear-gradient(to left,rgba(6,17,10,.96) 0%,rgba(7,26,13,.9) 42%,rgba(10,39,18,.6) 72%,rgba(10,39,18,.24) 100%)}
.sec.photo .eyebrow{color:var(--accent)}
.sec.photo h2 .thin{color:rgba(255,255,255,.5)}
.sec.photo .lead{color:rgba(255,255,255,.72)}
.sec.photo h2,.sec.photo .lead,.sec.photo .row h3,.sec.photo .row p{text-shadow:0 1px 14px rgba(2,10,5,.45)}

/* one-health copy block + mini flow */
.onehealth-copy{max-width:600px;margin-left:auto}
.flow{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:42px}
.flow span{font-size:.9rem;font-weight:700;letter-spacing:.01em;padding:11px 20px;
  border:1px solid rgba(255,255,255,.26);border-radius:99px;background:rgba(255,255,255,.05);
  backdrop-filter:blur(2px);color:#fff}
.flow i{font-style:normal;color:var(--accent);font-weight:800;font-size:1.05rem}

/* ══════ reveal ══════ */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}
.rv.d4{transition-delay:.4s}.rv.d5{transition-delay:.5s}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ══════ header ══════ */
header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav);
  transition:background .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
header .wrap{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:25px;width:auto;transition:opacity .3s}
.brand .lm{position:absolute;opacity:1}
.brand .dm{opacity:0}
.brand .figure{position:relative;display:flex;align-items:center;height:25px;width:45px}
.brand b{font-size:1rem;font-weight:800;letter-spacing:-.02em;color:#fff;transition:color .35s;line-height:1.2}
.brand small{display:block;font-size:.6rem;font-weight:600;letter-spacing:.16em;color:rgba(255,255,255,.62);transition:color .35s}
nav ul{display:flex;gap:38px;list-style:none;margin:0;padding:0}
nav a{font-size:.92rem;font-weight:600;color:rgba(255,255,255,.88);position:relative;padding:6px 0;transition:color .35s}
nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--accent);transition:right .32s var(--ease)}
nav a:hover::after{right:0}
header.solid{background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(14px);
  box-shadow:0 1px 0 var(--line)}
header.solid .brand .lm{opacity:0}
header.solid .brand .dm{opacity:1}
header.solid .brand b{color:var(--ink)}
header.solid .brand small{color:var(--ink-3)}
header.solid nav a{color:var(--ink-2)}
header.solid nav a:hover{color:var(--brand-2)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s var(--ease)}
header.solid .burger span{background:var(--ink)}

/* ══════ hero ══════ */
#hero{min-height:100vh;position:relative;display:flex;align-items:center;overflow:hidden;
  background:#08200e;color:#fff;scroll-snap-align:start;padding:var(--nav) 0 0}
#hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:url(bg/hero.jpg?v=2) center/cover no-repeat;
  transform:scale(1.04);animation:heroZoom 24s ease-in-out infinite alternate}
#hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(120% 90% at 15% 20%,rgba(8,32,14,.26),transparent 60%),
    linear-gradient(120deg,rgba(5,14,9,.8) 0%,rgba(7,26,13,.54) 46%,rgba(11,45,20,.38) 100%)}
@keyframes heroZoom{from{transform:scale(1.04)}to{transform:scale(1.12)}}
@media(prefers-reduced-motion:reduce){#hero::before{animation:none;transform:none}}
#hero .art{display:none}
#hero .wrap{position:relative;z-index:2;width:100%}

/* hero — single static message (headline + two points) */
.hero-in{max-width:920px}
.hero-eyebrow{display:block;font-size:.8rem;font-weight:700;letter-spacing:.32em;
  color:var(--accent);margin-bottom:26px}
.hero-h1{margin:0;font-size:clamp(2.3rem,6vw,4.6rem);line-height:1.16;
  letter-spacing:-.04em;font-weight:800;color:#fff}
.hero-h1 em{font-style:normal;color:#a9dd85}
.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-top:54px;max-width:840px}
.hero-points .pt{border-top:1px solid rgba(255,255,255,.24);padding-top:20px}
.hero-points .en{display:block;font-size:.72rem;font-weight:700;letter-spacing:.22em;
  color:var(--accent);margin-bottom:12px}
.hero-points p{margin:0;font-size:1.02rem;line-height:1.7;color:rgba(255,255,255,.82);font-weight:300}
@media(max-width:1000px){
  .hero-points{grid-template-columns:1fr;gap:22px;margin-top:38px}
}
.slides{position:relative;min-height:330px}
.slide{position:absolute;inset:0;opacity:0;transform:translateY(26px);
  transition:opacity 1s var(--ease),transform 1s var(--ease);pointer-events:none}
.slide.on{opacity:1;transform:none;pointer-events:auto}
.slide .en{display:block;font-size:.8rem;font-weight:700;letter-spacing:.32em;color:var(--accent);margin-bottom:26px}
.slide h1{margin:0 0 26px;font-size:clamp(2.3rem,6vw,4.6rem);line-height:1.16;letter-spacing:-.04em;font-weight:800}
.slide h1 em{font-style:normal;color:#a9dd85}
.slide p{margin:0;max-width:56ch;font-size:clamp(1rem,1.8vw,1.2rem);color:rgba(255,255,255,.76);font-weight:300}
.dots{display:flex;gap:26px;margin-top:56px;align-items:center}
.dots button{background:none;border:0;padding:0;cursor:pointer;font:inherit;
  font-size:.82rem;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.4);
  position:relative;padding-bottom:12px;transition:color .3s}
.dots button::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:rgba(255,255,255,.2)}
.dots button::before{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .4s var(--ease);z-index:1}
.dots button[aria-current="true"]{color:#fff}
.dots button[aria-current="true"]::before{width:100%}
.scroller{position:absolute;left:50%;bottom:38px;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:.66rem;letter-spacing:.24em;color:rgba(255,255,255,.5)}
.scroller i{display:block;width:1px;height:46px;background:linear-gradient(rgba(255,255,255,.5),transparent);
  animation:sc 2.1s infinite var(--ease)}
@keyframes sc{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ══════ section heads ══════ */
.eyebrow{display:flex;align-items:center;gap:14px;font-size:.74rem;font-weight:800;
  letter-spacing:.3em;color:var(--brand-2);margin:0 0 26px}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--accent)}
.dark .eyebrow{color:var(--accent)}
h2{margin:0 0 28px;font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.26;letter-spacing:-.04em;font-weight:800}
h2 .thin{font-weight:200;color:var(--ink-3)}
.dark h2 .thin{color:rgba(255,255,255,.5)}
.lead{margin:0;max-width:62ch;color:var(--ink-2);font-size:1.02rem;font-weight:300}
.dark .lead{color:rgba(255,255,255,.7)}
.more{display:inline-flex;align-items:center;gap:11px;margin-top:38px;
  font-size:.84rem;font-weight:700;letter-spacing:.14em;color:var(--brand-2)}
.more i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);transition:.35s var(--ease);font-style:normal}
.more:hover i{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateX(4px)}
.dark .more{color:var(--accent)}
.dark .more i{border-color:rgba(255,255,255,.26)}
.dark .more:hover i{background:var(--accent);border-color:var(--accent);color:var(--dark)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;width:100%}
.split.wide{grid-template-columns:.85fr 1.15fr}

/* ══════ facts (full-width spec bar below company split) ══════ */
.facts{list-style:none;margin:64px 0 0;padding:0;display:grid;
  grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line)}
.facts li{display:block;padding:24px 30px 4px 30px;border-right:1px solid var(--line)}
.facts li:first-child{padding-left:0}
.facts li:last-child{border-right:0;padding-right:0}
.facts b{display:block;font-weight:800;color:var(--brand);font-size:.74rem;
  letter-spacing:.06em;margin-bottom:11px}
.facts span{display:block;font-size:.92rem;color:var(--ink-2);line-height:1.55}
@media(max-width:1000px){
  .facts{grid-template-columns:1fr 1fr;border-top:0}
  .facts li{border-right:0;border-top:1px solid var(--line);padding:18px 0}
}
.figbox{border-radius:20px;overflow:hidden;background:var(--bg-2);border:1px solid var(--line)}
.figbox svg,.figbox img{width:100%;height:auto;display:block}

/* ══════ numbered rows ══════ */
.rows{margin-top:8px;border-top:1px solid var(--line)}
.dark .rows{border-color:rgba(255,255,255,.14)}
.row{display:grid;grid-template-columns:96px 1.05fr 1.5fr auto;gap:36px;align-items:center;
  padding:36px 0;border-bottom:1px solid var(--line);transition:.4s var(--ease)}
.dark .row{border-color:rgba(255,255,255,.14)}
.row:hover{padding-left:14px}
.row .no{font-size:1.6rem;font-weight:200;color:var(--ink-3);letter-spacing:-.02em}
.dark .row .no{color:rgba(255,255,255,.4)}
.row h3{margin:0;font-size:1.5rem;font-weight:800;letter-spacing:-.03em}
.row .ind{display:block;font-size:.8rem;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-top:5px}
.row p{margin:0;font-size:.92rem;color:var(--ink-2);font-weight:300}
.dark .row p{color:rgba(255,255,255,.66)}
.row .tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.tag{font-size:.72rem;font-weight:700;letter-spacing:.04em;padding:6px 12px;border-radius:99px;
  border:1px solid var(--line);color:var(--ink-3);white-space:nowrap}
.dark .tag{border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.66)}

/* ══════ steps ══════ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;border-top:1px solid var(--line)}
.dark .steps{border-color:rgba(255,255,255,.14)}
.step{padding:30px 26px 30px 0;border-right:1px solid var(--line)}
.dark .step{border-color:rgba(255,255,255,.14)}
.step:last-child{border-right:0}
.step .no{font-size:.76rem;font-weight:800;letter-spacing:.16em;color:var(--accent);margin-bottom:14px}
.step h4{margin:0 0 9px;font-size:1.02rem;letter-spacing:-.02em}
.step p{margin:0;font-size:.87rem;color:var(--ink-2);font-weight:300}
.dark .step p{color:rgba(255,255,255,.62)}

/* ══════ papers ══════ */
.papers{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:11px}
.papers li{font-size:.86rem;color:var(--ink-2);padding-left:22px;position:relative;font-weight:300}
.dark .papers li{color:rgba(255,255,255,.66)}
.papers li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:1px;background:var(--accent)}
.papers em{font-style:normal;font-weight:700;color:var(--brand)}
.dark .papers em{color:var(--accent)}

/* ══════ people (horizontal bio rows, compact photo) ══════ */
.people{margin-top:52px;border-top:1px solid var(--line)}
.person{display:grid;grid-template-columns:190px 1fr;gap:48px;align-items:center;
  padding:42px 0;border-bottom:1px solid var(--line)}
.person .ph{width:190px;aspect-ratio:4/5;border-radius:14px;overflow:hidden;background:var(--bg-2);
  filter:grayscale(1);transition:filter .5s var(--ease)}
.person:hover .ph{filter:none}
.person .ph img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.person h3{margin:0;font-size:1.34rem;letter-spacing:-.03em}
.person .role{font-size:.78rem;font-weight:700;letter-spacing:.12em;color:var(--accent);margin:7px 0 18px}
.person .cv{list-style:none;margin:0;padding:0;display:grid;gap:9px;max-width:62ch}
.person .cv li{position:relative;padding-left:16px;font-size:.9rem;line-height:1.55;
  font-weight:300;color:var(--ink-2)}
.person .cv li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:1px;background:var(--accent)}
.person .cv b{font-weight:700;color:var(--ink)}
@media(max-width:1000px){
  .person{grid-template-columns:104px 1fr;gap:22px;align-items:start;padding:26px 0}
  .person .ph{width:104px}
  .person .cv li{font-size:.84rem}
}

/* ══════ news ══════ */
.news{margin-top:16px;border-top:1px solid var(--line)}
.item{display:grid;grid-template-columns:150px 1fr;gap:44px;padding:38px 0;
  border-bottom:1px solid var(--line);transition:.4s var(--ease)}
.item:hover{padding-left:14px}
.item .date b{display:block;font-size:2.6rem;font-weight:200;letter-spacing:-.04em;line-height:1;color:var(--brand)}
.item .date span{display:block;font-size:.8rem;color:var(--ink-3);margin-top:8px;letter-spacing:.08em}
.item h3{margin:0 0 10px;font-size:1.24rem;letter-spacing:-.03em}
.item p{margin:0;font-size:.92rem;color:var(--ink-2);font-weight:300}

/* ══════ contact ══════ */
.cgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:60px;
  border-top:1px solid rgba(255,255,255,.16)}
.cgrid div{padding:34px 40px;border-right:1px solid rgba(255,255,255,.16)}
.cgrid div:first-child{padding-left:0}
.cgrid div:last-child{border-right:0;padding-right:0}
.cgrid h4{margin:0 0 14px;font-size:.72rem;font-weight:800;letter-spacing:.24em;color:var(--accent)}
.cgrid p{margin:0;font-size:1rem;color:rgba(255,255,255,.86);font-weight:300}
.cgrid a:hover{color:var(--accent)}

footer{background:#081c0c;color:rgba(255,255,255,.5);padding:44px 0;font-size:.83rem}
footer .wrap{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:center}
footer img{height:50px;width:auto;opacity:.85}
.fmeta{display:grid;gap:5px;text-align:right}

/* ══════ responsive ══════ */
@media(max-width:1000px){
  .wrap{padding:0 24px}
  nav{position:fixed;inset:var(--nav) 0 auto;background:#fff;padding:0 24px;
    max-height:0;overflow:hidden;transition:max-height .4s var(--ease);border-bottom:1px solid var(--line)}
  nav.open{max-height:70vh;padding:10px 24px 24px}
  nav ul{flex-direction:column;gap:0}
  nav li{border-bottom:1px solid var(--line)}
  nav a{display:block;padding:15px 0;color:var(--ink-2)}
  .burger{display:block}
  .split,.split.wide{grid-template-columns:1fr;gap:44px}
  .sec{padding:calc(var(--nav) + 56px) 0 56px;min-height:auto}
  .row{grid-template-columns:64px 1fr;gap:16px 20px}
  .row .no{grid-row:span 2}
  .row .tags{justify-content:flex-start;grid-column:2}
  .steps{grid-template-columns:1fr 1fr}
  .step{padding:24px 20px 24px 0}
  .step:nth-child(2){border-right:0}
  .people{grid-template-columns:1fr}
  .cgrid{grid-template-columns:1fr}
  .cgrid div{padding:26px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}
  .item{grid-template-columns:1fr;gap:14px}
  .item .date{display:flex;align-items:baseline;gap:12px}
  .item .date b{font-size:1.8rem}
  .fmeta{text-align:left}
  .slides{min-height:380px}
  .onehealth-copy{max-width:none;margin-left:0}
  #onehealth.photo::after{background:linear-gradient(rgba(6,17,10,.72),rgba(7,26,13,.9))}
  #onehealth.photo::before{background-position:center 26%}
  .flow{gap:10px}
  .flow span{padding:9px 15px;font-size:.82rem}
}

/* ══════ language switch ══════ */
.lang{display:flex;align-items:center;gap:9px;margin-left:34px;font-size:.8rem;font-weight:700;letter-spacing:.06em}
.lang a{color:rgba(255,255,255,.5);transition:color .3s}
.lang a[aria-current="page"]{color:#fff}
.lang s{text-decoration:none;color:rgba(255,255,255,.28)}
header.solid .lang a{color:var(--ink-3)}
header.solid .lang a[aria-current="page"]{color:var(--ink)}
header.solid .lang s{color:var(--line)}
.lang a:hover{color:var(--accent)}
@media(max-width:1000px){
  .lang{margin-left:auto;margin-right:16px}
  .lang a{color:var(--ink-3)}
  .lang a[aria-current="page"]{color:var(--ink)}
  .lang s{color:var(--line)}
}

/* ══════ evidence: 조직 사진(좌) + 정량 지표(우) ══════ */
.ev{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
    column-gap:60px;row-gap:40px;margin-top:34px;align-items:stretch}

.tissue{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;align-content:space-between;min-width:0}
.tissue figure{margin:0;min-width:0}
.tissue img{width:100%;height:auto;border-radius:7px;display:block}
.tissue figcaption{display:flex;align-items:baseline;gap:8px;margin-top:7px}
.tissue b{font-size:.8rem;letter-spacing:-.01em}
.tissue small{font-size:.73rem;color:rgba(255,255,255,.45)}
.tissue .hit b{color:var(--accent)}
.tissue .hit img{box-shadow:0 0 0 2px rgba(81,168,73,.6)}
/* 마지막 캡션을 흐름에서 빼서 스택 높이가 '사진 하단'에서 끝나도록 → 차트 카드와 바닥 정렬 */
.tissue figure:last-child{position:relative}
.tissue figure:last-child figcaption{position:absolute;top:100%;left:0;right:0}

.scores{background:#fff;border-radius:12px;padding:24px;display:flex;align-items:center;min-width:0}
.scores img{width:100%;height:auto;display:block}

.tissue-note{margin:0;font-size:.87rem;font-weight:300;line-height:1.75;color:rgba(255,255,255,.62)}
.tissue-note b{font-weight:700;color:rgba(255,255,255,.88)}
.readout{margin:0;font-size:1.02rem;font-weight:300;line-height:1.7;color:rgba(255,255,255,.9)}
.readout b{font-weight:800}
.readout .red{color:#f0908a}
.readout .blue{color:#8ec5f0}
.readout .sub{display:block;margin-top:12px;font-size:.82rem;color:rgba(255,255,255,.45)}

@media(max-width:1000px){
  .ev{grid-template-columns:minmax(0,1fr);row-gap:20px}
  .tissue{order:1}
  .tissue-note{order:2;margin-bottom:18px}
  .scores{order:3}
  .readout{order:4}
  .tissue figure:last-child figcaption{position:static}
}