/* 공생미생물연구실 — 잉크 & 세이지
   색을 바꾸고 싶으면 아래 :root 의 값만 고치면 사이트 전체가 함께 바뀝니다. */
:root{
  --ink:#16191B;        /* 메뉴 · 푸터 배경 */
  --hero:#1B1F21;       /* 첫 화면 배경 */
  --soft:#F2F4F1;       /* 옅은 블록 배경 */
  --tx:#181C1E;         /* 본문 글자 */
  --mut:#5F6A6C;        /* 흐린 글자 */
  --acc:#6E8574;        /* 강조색 */
  --line:#E4E8E5;       /* 선 */
  --maxw:1000px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--tx);font-size:16px;line-height:1.7;
  font-family:"Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",
    "Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  -webkit-font-smoothing:antialiased;word-break:keep-all}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px}

/* ── 상단 고정 메뉴 ── */
.nav{position:sticky;top:0;z-index:60;background:var(--ink);color:#fff}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.nav .logo img{height:44px}
.menu{display:flex;align-items:center;flex-wrap:wrap;font-size:15.5px;font-weight:600}
.menu > *{margin-left:22px}
.menu > *:first-child{margin-left:0}
.menu .sub > a{margin:0}
.menu a{color:rgba(255,255,255,.62);padding:4px 0;transition:.15s}
.menu a:hover{color:#fff}
.menu a.on{color:#fff}
.menu a.j{background:var(--acc);color:#fff;padding:8px 16px;border-radius:5px}
.menu a.j:hover{filter:brightness(1.12)}
.menu a.lang{border:1px solid rgba(255,255,255,.28);padding:6px 12px;border-radius:5px;font-size:13.5px}
.burger{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer;padding:6px}
.sub{position:relative}
.sub > a::after{content:" ▾";font-size:10px;opacity:.7}
.subm{position:absolute;top:100%;left:-14px;background:#1E2224;border:1px solid #2A2F31;
  border-radius:8px;padding:7px;min-width:180px;display:none;box-shadow:0 12px 30px rgba(0,0,0,.4)}
.sub:hover .subm{display:block}
.subm a{display:block;padding:9px 13px;border-radius:5px;font-size:14.5px;color:rgba(255,255,255,.72)}
.subm a:hover{background:rgba(255,255,255,.08);color:#fff}

/* ── 첫 화면 ── */
.hero{background:var(--hero);color:#fff;position:relative;overflow:hidden}
.hero .bg{position:absolute;inset:0;opacity:.26;
  background:radial-gradient(760px 380px at 76% 24%, var(--acc) 0%, transparent 60%),
             radial-gradient(600px 380px at 5% 90%, #4C6355 0%, transparent 58%)}
.hero .wrap{position:relative;padding:74px 40px 66px}
.eyebrow{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.55);margin-bottom:18px;font-weight:600}
.hero h1{font-size:42px;line-height:1.3;margin:0 0 18px;letter-spacing:-.032em;font-weight:800;max-width:680px}
.hero p{color:rgba(255,255,255,.7);font-size:16px;max-width:600px;margin:0 0 28px}
.hero p.en{color:rgba(255,255,255,.46);font-size:15.5px;font-weight:500;margin:-10px 0 20px}
.btns{display:flex;gap:9px;flex-wrap:wrap}
.b1{background:var(--acc);color:#fff;padding:12px 24px;border-radius:5px;font-size:14px;font-weight:700}
.b2{border:1px solid rgba(255,255,255,.3);color:#fff;padding:12px 24px;border-radius:5px;font-size:14px;font-weight:700}
.b3{border:1px solid var(--line);color:var(--tx);padding:11px 22px;border-radius:5px;font-size:13.5px;font-weight:700;display:inline-block}
.b3:hover{border-color:var(--acc);color:var(--acc)}

/* 하위 페이지용 얇은 머리 */
.phead{background:var(--hero);color:#fff}
.phead .wrap{padding:52px 40px 46px}
.phead h1{font-size:33px;margin:0 0 10px;letter-spacing:-.03em;font-weight:800}
.phead p{margin:0;color:rgba(255,255,255,.66);font-size:15.5px;max-width:640px}

/* ── 섹션 ── */
section{padding:60px 0}
section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
section.dark{background:var(--ink);color:#fff;border:0}
.kick{font-size:11px;letter-spacing:.17em;font-weight:800;color:var(--acc);margin:0 0 6px}
h2{font-size:27px;margin:0 0 12px;font-weight:700;letter-spacing:-.028em}
h3{font-size:20px;margin:34px 0 10px;font-weight:700;letter-spacing:-.02em}
.lead{color:var(--mut);max-width:640px;margin:0 0 30px;font-size:15.5px}
.prose p{margin:0 0 15px;font-size:15.5px}
.prose p:last-child{margin-bottom:0}
.note{background:var(--soft);border-left:3px solid var(--acc);padding:16px 20px;border-radius:0 7px 7px 0;
  font-size:14.5px;color:var(--mut);margin:22px 0}

/* ── 카드 ── */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;transition:.15s}
.card:hover{border-color:var(--acc)}
.card .ph{height:112px;background:linear-gradient(135deg,#dedfdc,#c8cbc6,#dedfdc);
  display:flex;align-items:center;justify-content:center;color:#7d817c;font-size:10.5px;
  letter-spacing:.12em;font-weight:700}
.card img.fig{height:168px;width:100%;object-fit:contain;background:#fff;padding:8px;
  border-bottom:1px solid var(--line)}
.card .bd{padding:19px}
.card .n{font-size:11px;font-weight:800;color:var(--acc);letter-spacing:.1em;display:block;margin-bottom:6px}
.card h4{margin:0 0 7px;font-size:17.5px;font-weight:700;letter-spacing:-.02em}
.card p{margin:0;color:var(--mut);font-size:14px;line-height:1.7}

/* ── 소식 ── */
.newsl{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.ni{background:#fff;border:1px solid var(--line);border-radius:7px;padding:13px 16px;
  display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start}
.ni .d{text-align:center;border-right:1px solid var(--line);padding-right:11px}
.ni .d b{display:block;font-size:14px;font-weight:800;line-height:1.1}
.ni .d span{font-size:9.5px;color:var(--mut);letter-spacing:.05em}
.ni .t{font-size:14px;line-height:1.55;font-weight:600}
.ni .t span{display:block;font-weight:400;color:var(--mut);font-size:12.5px;margin-top:2px}
.newsfull .ni{grid-template-columns:88px 1fr}
.newsfull .ni .d{text-align:left;font-size:13px;color:var(--mut);font-weight:600}

/* ── 논문 ── */
.pub{padding:15px 0;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.65;
  display:grid;grid-template-columns:44px 1fr;gap:16px}
.pub .no{color:var(--mut);font-size:12.5px;font-weight:700;padding-top:2px}
.pub .au{color:var(--mut);font-size:13.5px}
.pub .au b{color:var(--tx)}
.pub .ti{font-weight:600;margin:2px 0 3px}
.pub .ve{color:var(--mut);font-size:13px;font-style:italic}
.yr{font-size:15px;font-weight:800;color:var(--acc);margin:34px 0 6px;letter-spacing:.02em}
.yr:first-of-type{margin-top:6px}
.selpub{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:8px 20px;margin-bottom:34px}
.selpub .pub{border-bottom:1px solid var(--line)}
.selpub .pub:last-child{border-bottom:0}
.legend{color:var(--mut);font-size:13.5px;margin:0 0 18px}

/* 논문 링크 */
.pub .ti a{color:inherit;border-bottom:1px solid transparent;transition:.12s}
.pub .ti a:hover{color:var(--acc);border-bottom-color:var(--acc)}
.pub .doi{margin-top:3px;font-size:12.5px;color:var(--mut);font-style:normal;word-break:break-all}

/* ── 사람 ── */
.people{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pcard{border:1px solid var(--line);border-radius:8px;overflow:hidden;text-align:center;padding-bottom:17px}
.pcard .ph{aspect-ratio:3/4;background:linear-gradient(135deg,#dedfdc,#c8cbc6,#dedfdc);
  display:flex;align-items:center;justify-content:center;color:#7d817c;font-size:10.5px;letter-spacing:.12em;font-weight:700}
.pcard b{display:block;margin:13px 0 3px;font-size:15px}
.pcard span{color:var(--mut);font-size:12.5px;padding:0 10px;display:block}
.pcard .now{color:var(--acc);font-weight:600;display:inline;padding:0}
.pi{display:grid;grid-template-columns:150px 1fr;gap:30px;align-items:start}
.pi .ph{aspect-ratio:1/1;border-radius:8px;background:linear-gradient(135deg,#dedfdc,#c8cbc6,#dedfdc);
  display:flex;align-items:center;justify-content:center;color:#7d817c;font-size:10.5px;letter-spacing:.12em;font-weight:700}
.pi h2{margin:0 0 3px}
.pi .role{color:var(--acc);font-weight:700;font-size:14px;margin:0 0 14px}
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.row .k{font-weight:600}
.row .v{color:var(--mut)}
.cv{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:8px 0;font-size:14.5px}
.cv .y{color:var(--acc);font-weight:700;font-size:13.5px}

.grp{font-size:19px;font-weight:700;color:var(--tx);letter-spacing:-.02em;margin:38px 0 18px;
  display:flex;align-items:center;gap:11px}
.grp:first-child{margin-top:0}
.grp::before{content:"";width:4px;height:19px;background:var(--acc);border-radius:2px;flex:none}

/* ── 목록 ── */
ul.plain{margin:0;padding-left:19px;color:var(--mut);font-size:15px}
ul.plain li{margin-bottom:9px}
ul.plain li b{color:var(--tx)}
ol.steps{margin:0;padding-left:20px;font-size:15px}
ol.steps li{margin-bottom:10px}

/* ── 푸터 ── */
footer{background:var(--ink);color:rgba(255,255,255,.5);font-size:13.5px}
footer .wrap{padding:40px 40px;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:26px}
footer img{height:22px;margin-bottom:12px}
footer b{color:rgba(255,255,255,.9);display:block;margin-bottom:7px;font-size:14px}
footer a{color:rgba(255,255,255,.62)}
footer a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.1);padding:16px 40px;max-width:var(--maxw);margin:0 auto;
  font-size:12px;color:rgba(255,255,255,.35)}

/* ── 반응형 ── */
@media(max-width:860px){
  .wrap{padding:0 22px}
  .hero .wrap{padding:52px 22px 46px}
  .hero h1{font-size:29px}
  .phead .wrap{padding:38px 22px 34px}
  .phead h1{font-size:25px}
  .cards,.newsl,.people{grid-template-columns:1fr}
  .people{grid-template-columns:repeat(2,1fr)}
  .pi{grid-template-columns:1fr;gap:18px}
  .pi .ph{max-width:170px}
  .row,.cv{grid-template-columns:1fr;gap:3px}
  footer .wrap{grid-template-columns:1fr;padding:30px 22px}
  .copy{padding:14px 22px}
  section{padding:44px 0}
  .burger{display:block}
  .menu{position:fixed;inset:76px 0 auto 0;background:var(--ink);flex-direction:column;
    align-items:stretch;gap:0;padding:8px 18px 22px;display:none;
    max-height:calc(100vh - 76px);overflow-y:auto;border-top:1px solid rgba(255,255,255,.1)}
  .menu.open{display:flex}
  .menu > *{margin-left:0}
  .menu a{padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.07)}
  .menu a.j{margin-top:12px;text-align:center;border-bottom:0}
  .menu a.lang{margin-top:10px;text-align:center;border-bottom:0}
  .sub .subm{position:static;display:block;background:transparent;border:0;box-shadow:none;padding:0 0 0 14px}
  .sub > a::after{content:""}
}