:root{
  --bg:#ffffff; --bg2:#f5f6f4; --ink:#16191b; --ink2:#2c3033; --mut:#5c6167; --faint:#8a9096;
  --line:#e6e7e9; --accent:#a9803f; --accent-d:#8c6730; --dark:#17191b;
  --sans:'Pretendard','Apple SD Gothic Neo',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.lbl{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-d);font-weight:700}

/* nav */
nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
nav .logo{font-family:'Noto Serif KR','AppleMyungjo',Georgia,serif;font-weight:600;font-size:22px;letter-spacing:.04em}
nav .links{display:flex;gap:30px;font-size:14px;font-weight:600;color:var(--mut)}
nav .links a:hover{color:var(--ink)}
nav .cta{background:var(--ink);color:#fff;padding:10px 18px;border-radius:6px;font-size:13.5px;font-weight:700}
nav .links a{display:flex;align-items:center;min-height:44px}
@media(max-width:760px){nav .links{gap:18px;font-size:14px}nav .wrap{gap:20px}}
@media(max-width:380px){nav .wrap{padding-left:16px;padding-right:16px;gap:16px}nav .links{gap:12px}}

/* hero - split, left-aligned */
.hero{border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 32px 80px}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:36px;padding:56px 32px}}
.hero .lbl{margin-bottom:20px;display:block}
.hero h1{font-size:clamp(34px,5.2vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.03em;margin-bottom:22px;word-break:keep-all}
.hero p{font-size:17px;color:var(--mut);max-width:42ch;margin-bottom:30px;word-break:keep-all}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{font-size:15px;font-weight:700;padding:13px 24px;border-radius:6px;cursor:pointer;border:1px solid var(--line);display:inline-block}
.btn.pri{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.pri:hover{background:#000}
.btn.ghost:hover{border-color:var(--ink)}
.hero .shot{border-radius:10px;overflow:hidden;background:#111}
.hero .shot img{width:100%;height:auto;object-fit:contain}

/* section */
section{padding:78px 0;border-bottom:1px solid var(--line)}
.head2{max-width:680px;margin-bottom:44px}
.head2 .lbl{display:block;margin-bottom:14px}
.head2 h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.18;word-break:keep-all}
.head2 p{color:var(--mut);margin-top:12px;font-size:16px;word-break:keep-all}

/* do - structured grid with top rules */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:2px solid var(--ink)}
@media(max-width:760px){.grid3{grid-template-columns:1fr}}
.cell{padding:28px 24px 30px;border-right:1px solid var(--line)}
.cell:last-child{border-right:none}
@media(max-width:760px){.cell{border-right:none;border-bottom:1px solid var(--line)}}
.cell .n{font-size:13px;font-weight:800;color:var(--accent-d);font-variant-numeric:tabular-nums}
.cell h3{font-size:19px;font-weight:700;margin:14px 0 8px}
.cell p{font-size:14px;color:var(--mut);word-break:keep-all}

/* exclusive band - near black */
.excl{background:var(--dark);color:#fff;text-align:center;border-bottom:none}
.excl .lbl{color:var(--accent);display:block;margin-bottom:18px}
.excl h2{font-size:clamp(28px,4.6vw,46px);font-weight:800;letter-spacing:-.03em;line-height:1.16;margin-bottom:16px;word-break:keep-all}
.excl p{color:#a9b0b5;max-width:48ch;margin:0 auto 30px;font-size:16px;word-break:keep-all}
.excl .btn.pri{background:var(--accent);border-color:var(--accent);color:#1a130a}
.excl .btn.pri:hover{background:#c29653}

/* enzymes - spec table style */
.enz{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}
@media(max-width:680px){.enz{grid-template-columns:1fr}}
.ecol{padding:34px 32px}
.ecol:first-child{border-right:1px solid var(--line)}
@media(max-width:680px){.ecol:first-child{border-right:none;border-bottom:1px solid var(--line)}}
.ecol .tag{font-size:14px;color:var(--accent-d);font-weight:700}
.ecol h3{font-size:27px;font-weight:800;margin:8px 0 8px;letter-spacing:-.02em}
.ecol .role{color:var(--mut);font-size:16px;word-break:keep-all}
.ecol .spec{font-size:13px;color:var(--faint);border-top:1px solid var(--line);padding-top:14px}
.enznote{text-align:center;color:var(--mut);font-size:14px;margin-top:24px}
.enznote b{color:var(--ink)}

/* tech teaser - big photo */
.tech .wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
@media(max-width:860px){.tech .wrap{grid-template-columns:1fr;gap:30px}}
.tech .txt h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin-bottom:14px;word-break:keep-all}
.tech .txt p{color:var(--mut);font-size:16px;margin-bottom:22px;word-break:keep-all}
.tech .bigshot{border-radius:10px;overflow:hidden;background:#111}
.tech .bigshot img{width:100%;height:auto;object-fit:contain}

/* contact */
.contact{text-align:center;border-bottom:none}
.contact h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.contact p{color:var(--mut);margin:0 auto 26px;max-width:44ch;word-break:keep-all}
.contact .mail{font-size:clamp(18px,2.6vw,24px);font-weight:700;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:6px}
footer{background:var(--bg2);padding:30px 0;font-size:13px;color:var(--faint)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
footer b{color:var(--ink);font-weight:800}

html{scroll-behavior:smooth;scroll-padding-top:100px}
:focus-visible{outline:3px solid #a9803f;outline-offset:5px}
.skip{position:fixed;top:-80px;left:16px;padding:12px;background:#fff;z-index:100}.skip:focus{top:12px}
.logo,.brand{font-family:'Noto Serif KR','AppleMyungjo',Georgia,serif;font-weight:600;letter-spacing:.04em}
nav .logo{display:inline-block}nav .cta,.btn{border-radius:3px}
.hero .wrap{grid-template-columns:1.1fr 1fr;gap:48px;padding-top:88px;padding-bottom:88px}
.hero h1{font-size:clamp(34px,4.3vw,52px);line-height:1.24;letter-spacing:-.045em}
.hero .shot,.tech .bigshot{border-radius:3px}
figure{margin:0}figcaption{font-size:12px;color:var(--mut);margin-top:12px;letter-spacing:.02em}
section{padding:88px 0}section[id]{scroll-margin-top:20px}
.head2 h2,.tech .txt h2{line-height:1.35;letter-spacing:-.035em}
.head2{max-width:780px}.head2 .lbl{margin-bottom:16px}
.cell{padding:28px 28px 32px}.cell:first-child{padding-left:0}.cell p{font-size:15px;line-height:1.8}
.excl{text-align:left;padding:52px 0}.partner-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center}
.excl h2{font-size:30px;line-height:1.4;margin:0}.excl p{margin:0;max-width:none;color:#c8cccf;line-height:1.8}
.excl .lbl{color:#d7b77e;font-size:12px}.partner-names{font-size:14px;color:#d7b77e;margin-top:16px}
#enzyme{background:#f5f6f4}.spec-list{border-top:2px solid var(--ink)}
.spec-row{display:grid;grid-template-columns:80px 220px 1fr;gap:24px;border-bottom:1px solid #d8dcde;padding:25px 0;align-items:baseline}
.spec-row .num{font-size:12px;color:var(--accent-d);font-weight:700}.spec-row h3{font-size:19px}.spec-row p{font-size:15px;color:var(--mut);word-break:keep-all}
.note{font-size:14px;color:var(--mut);margin-top:22px;word-break:keep-all}
.contact{background:#eeeae3;text-align:left;padding:72px 0}.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.contact p{margin:0;max-width:560px;line-height:1.8}.contact h2{line-height:1.35}.contact .mail{display:inline-block;font-size:clamp(20px,2.5vw,28px);overflow-wrap:anywhere}
.contact-action{text-align:right}.contact-action span{display:block;font-size:13px;color:var(--mut);margin-top:16px}
footer{color:var(--mut);background:#fff}footer .brand{font-size:20px;color:var(--ink)}
.page-head{padding:80px 0 56px}.page-head h1{font-size:clamp(34px,5vw,56px);line-height:1.25;letter-spacing:-.04em;margin:20px 0}.page-head p{max-width:620px;color:var(--mut);font-size:18px;word-break:keep-all}
.gallery{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}.gallery img{width:100%;height:auto;object-fit:contain;border-radius:3px}.gallery figure:first-child{grid-column:1 / -1}.gallery figure:last-child img{width:auto;max-height:440px;max-width:100%}
.tech-intro{padding-top:0}.gallery figcaption{margin:10px 0 4px}.detail{background:var(--bg2)}
@media(max-width:860px){.hero .wrap,.partner-grid,.contact-grid,.tech .wrap{grid-template-columns:1fr;gap:30px}.hero .wrap{padding:52px 24px}.hero h1{font-size:clamp(32px,6vw,48px)}.contact-action{text-align:left}.spec-row{grid-template-columns:36px 150px 1fr;gap:16px}}
@media(max-width:600px){.wrap{padding:0 24px}section{padding:56px 0}.hero p{font-size:15px}.hero .btns{gap:8px}.btn{font-size:14px;padding:12px 16px}.cell,.cell:first-child{padding:24px 0}.excl h2{font-size:26px}.spec-row{grid-template-columns:28px 1fr;gap:10px;padding:22px 0}.spec-row p{grid-column:2}.contact h2{font-size:28px}.gallery{grid-template-columns:1fr;gap:24px}.gallery figure:first-child{grid-column:auto}.page-head{padding:48px 0 36px}.page-head p{font-size:16px}footer .wrap{flex-direction:column;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

h1,h2,h3{word-break:keep-all;overflow-wrap:break-word}
.hero .wrap{display:block;padding-top:64px;padding-bottom:64px}
.hero .lbl{font-size:13px;letter-spacing:.1em;margin-bottom:24px}
.hero h1{font-size:clamp(42px,6vw,80px);line-height:1.15;letter-spacing:-.05em;margin-bottom:44px}
.hero-bottom{display:grid;grid-template-columns:1fr 1fr;gap:48px;border-top:1px solid var(--line);padding-top:28px;align-items:start}
.hero p{font-size:16px;max-width:none;margin-bottom:22px}
.hero .hero-intro{font-size:21px;color:var(--ink2);line-height:1.65;margin:0}
.working-together{background:var(--dark);color:#fff}
.working-together .lbl,.working-together .n{color:#d7b77e;font-size:14px}
.working-together .head2 p,.working-together .cell p{color:#c8cccf;font-size:16px}
.working-together .grid3{border-color:#b2b6b8}
.working-together .cell{border-color:#3c4043}
@media(max-width:760px){.hero .wrap{padding:44px 24px}.hero h1{font-size:clamp(34px,7vw,52px);margin-bottom:28px}.hero-bottom{grid-template-columns:1fr;gap:20px;padding-top:22px}.hero .hero-intro{font-size:18px}.hero-action p br{display:none}.hero .lbl{font-size:12px}.hero p{font-size:16px}}

/* One stable frame preserves every image's original composition. */
.photo-slider{position:relative}
.photo-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain}
.photo-track::-webkit-scrollbar{display:none}
.photo-slide{flex:0 0 100%;min-width:0;scroll-snap-align:start;scroll-snap-stop:always}
.photo-stage{height:clamp(240px,43vw,510px);background:#f1f2f0;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.photo-stage img{width:100%;height:100%;object-fit:contain}
.photo-slide figcaption{font-size:15px;color:var(--ink);margin:22px 160px 0 0;min-height:44px;display:flex;align-items:center}
.photo-controls{position:absolute;bottom:0;right:0;display:flex;align-items:center;gap:24px;height:44px}
.photo-count{font-size:13px;font-variant-numeric:tabular-nums;color:var(--mut)}
.photo-buttons{display:flex;gap:8px}.photo-buttons button{width:44px;height:44px;background:#fff;border:1px solid #b8bdbf;color:var(--ink);font-size:20px;cursor:pointer;border-radius:2px}
.photo-buttons button:hover:not(:disabled){background:var(--ink);color:white}.photo-buttons button:disabled{opacity:.3;cursor:default}
@media(max-width:600px){.photo-stage{height:280px}.photo-controls{gap:14px}.photo-slide figcaption{font-size:14px;margin-right:155px}}

/* Production story: photographs and their explanation move together. */
.tech-story .photo-slide{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);align-items:stretch}
.tech-story .photo-stage{height:460px;border:0;background:#eef0ed}
.tech-story .photo-slide figcaption{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;margin:0;padding:36px;background:#f5f6f4;min-height:0}
.tech-story figcaption h2{font-size:27px;line-height:1.4;margin:18px 0;letter-spacing:-.035em}
.tech-story figcaption p{font-size:16px;line-height:1.85;color:var(--mut)}
.photo-key{border-top:1px solid #d9ddda;margin-top:24px;padding-top:20px;width:100%}.photo-key>span{font-size:12px;color:var(--accent-d);font-weight:700}.tech-story .photo-key p{font-size:14px;margin-top:8px}
.tech-story{padding-bottom:44px}
.tech-story .photo-controls{position:static;justify-content:flex-end;margin-top:16px;height:auto;min-height:44px;flex-wrap:wrap;row-gap:12px}
@media(max-width:600px){.tech-story{padding-bottom:32px}}
.photo-jumps{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);margin-bottom:20px}
.photo-jumps button{font:inherit;text-align:left;border:0;border-bottom:2px solid transparent;background:transparent;padding:18px 10px;color:var(--mut);cursor:pointer;font-size:14px}.photo-jumps span{font-size:12px;margin-right:10px;color:var(--accent-d)}
.photo-jumps button[aria-pressed="true"]{border-bottom-color:var(--ink);color:var(--ink);font-weight:700}.photo-jumps button:hover{background:var(--bg2)}
.process-summary{padding-top:12px}.process-overview{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink);gap:32px;padding-top:28px}.process-overview .n{font-size:13px;color:var(--accent-d);font-weight:700}.process-overview h3{font-size:21px;margin:10px 0}.process-overview p{font-size:15px;color:var(--mut);word-break:keep-all}
.audience-list{border-top:2px solid var(--ink)}.audience-list article{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;border-bottom:1px solid var(--line);padding:32px 0}.audience-list h3{font-size:23px;line-height:1.4;margin-top:12px}.audience-list p{color:var(--mut);line-height:1.8;word-break:keep-all}.audience-topic{display:block;font-size:13px;margin-top:18px;color:var(--accent-d)}
@media(max-width:860px){.tech-story .photo-slide{grid-template-columns:1fr}.tech-story .photo-stage{height:340px}.tech-story .photo-slide figcaption{padding:28px;justify-content:flex-start}.photo-jumps button{font-size:12px;padding:14px 6px}.photo-jumps span{display:block;margin:0 0 4px}.process-overview{gap:20px}.audience-list article{gap:30px}}
@media(max-width:600px){.tech-story .photo-stage{height:260px}.tech-story .photo-slide figcaption{padding:24px}.tech-story figcaption h2{font-size:23px;margin:12px 0}.tech-story figcaption p{font-size:15px}.photo-key{margin-top:18px;padding-top:16px}.process-overview{grid-template-columns:1fr;gap:24px}.process-overview>div{border-bottom:1px solid var(--line);padding-bottom:24px}.audience-list article{grid-template-columns:1fr;gap:16px}.audience-list h3{font-size:22px}.process-summary{padding-top:0}}