/* d2.co.kr 신규 구축 디자인 프로토타입 — 서브 페이지 공용 스타일 (2026-09-30)
   홈(index.html)과 같은 토큰·GNB·메뉴·푸터. 강조색 #00C277 하나, 모서리 0, 다크 고정.
   본문은 전부 원문 HTML 에 있다(GEO). 모션은 덧칠 — 끄면 정적 배치로 남는다 */
:root{
  --bg:#0E0E0D; --bg-2:#161615; --bg-3:#1D1D1B; --line:#2A2A28; --ink:#F2F2EE; --ink-2:#C4C4BE; --ink-3:#93938D; /* 검정 바탕 가독성: 9.3→11.0 · 4.6→6.3 대비 */
  --g:#00C277; --on-g:#0A0A0A;
  --disp:"Archivo","Pretendard Variable","Pretendard",sans-serif;
  --sans:"Pretendard Variable","Pretendard","Apple SD Gothic Neo",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --pad:clamp(20px,3.6vw,56px);
  --ease:cubic-bezier(.2,0,0,1);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-padding-top:90px}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.7;word-break:keep-all;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;overflow-x:clip}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{padding-inline:var(--pad);max-width:1600px;margin-inline:auto}
.sq{display:inline-block;width:.2em;height:.2em;background:var(--g);margin-left:.05em}
.mono{font-family:var(--mono)}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--g);outline-offset:3px}

/* ── GNB: 스크롤하면 접히고, 「프로젝트 문의」 사각이 초록 점으로 자라 메뉴가 된다 ── */
.nav{position:fixed;inset:0 0 auto;z-index:40;mix-blend-mode:difference;color:#fff}
.nav .bar{display:flex;align-items:center;justify-content:space-between;height:72px;padding-inline:var(--pad)}
.logo{display:flex;align-items:center;gap:9px;font:800 19px/1 var(--disp);letter-spacing:-.02em}
.logo i{width:11px;height:11px;background:#fff}
.logo .lg{display:block;height:21px;width:auto}
.menu{display:flex;gap:36px;font:500 15px var(--disp);letter-spacing:.01em}
.menu a{opacity:.72;position:relative}.menu a:hover,.menu a[aria-current=page]{opacity:1}
.menu a[aria-current=page]::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:#fff}
.navcta{font:600 15px var(--sans);display:flex;align-items:center;gap:10px}
.navcta i{width:9px;height:9px;background:#fff;transition:transform .3s var(--ease)}
.navcta:hover i{transform:scale(1.8)}
.nav .logo span,.nav .logo i,.menu,.navcta{transition:opacity .4s var(--ease),transform .6s var(--ease)}
.nav.min{pointer-events:none}
.nav.min .logo span,.nav.min .logo i,.nav.min .menu,.nav.min .navcta{opacity:0;transform:translateY(-16px)}
.nav.min .menu{transition-delay:.05s}.nav.min .navcta{transition-delay:.1s}
.dot{position:fixed;top:14px;right:var(--pad);z-index:60;width:44px;height:44px;border:0;background:var(--g);cursor:pointer;display:grid;place-content:center;gap:5px;transform:scale(.2);transform-origin:100% 50%;opacity:0;pointer-events:none;transition:transform .6s var(--ease),opacity .3s,background .3s}
.dot i{display:block;width:16px;height:2px;background:var(--on-g);transition:transform .45s var(--ease),background .3s}
.min~.dot,.dot[aria-expanded=true]{transform:none;opacity:1;pointer-events:auto}
.min~.dot:hover{transform:scale(1.12)}
.dot:focus-visible{outline:2px solid #fff;outline-offset:3px}
.dot[aria-expanded=true],body.ongreen .dot{background:var(--on-g)}
.dot[aria-expanded=true] i,body.ongreen .dot i{background:var(--g)}
.dot[aria-expanded=true] i:first-child{transform:translateY(3.5px) rotate(45deg)}
.dot[aria-expanded=true] i:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.ov{position:fixed;inset:0;z-index:55;background:var(--g);color:var(--on-g);display:grid;grid-template-rows:1fr auto;gap:40px;padding:112px var(--pad) 40px;clip-path:inset(14px var(--pad) calc(100% - 58px) calc(100% - var(--pad) - 44px));visibility:hidden;transition:clip-path .8s var(--ease),visibility 0s .8s}
.ov.open{clip-path:inset(0);visibility:visible;transition:clip-path .8s var(--ease)}
/* 사파리 26 은 화면 위·아래 가장자리에 붙은 fixed 요소의 배경색으로 주소창·툴바를 칠한다 — 닫힌 메뉴의 초록 면이 잡히지 않게 */
.ov:not(.open){background:transparent;transition:clip-path .8s var(--ease),visibility 0s .8s,background 0s .8s}
.ov nav{display:flex;flex-direction:column;justify-content:center}
.ov nav a{display:flex;align-items:baseline;gap:clamp(12px,1.6vw,28px);width:max-content;font:850 clamp(48px,8.2vw,150px)/1 var(--disp);font-stretch:112%;letter-spacing:-.055em;opacity:0;transform:translateY(36%);transition:opacity .5s var(--ease),transform .7s var(--ease),padding .4s var(--ease)}
.ov.open nav a{opacity:1;transform:none;transition-delay:calc(.18s + var(--i)*.05s),calc(.18s + var(--i)*.05s),0s}
.ov nav a small{font:500 13px var(--mono);letter-spacing:0;min-width:2.4em}
.ov nav a::after{content:"";width:.16em;height:.16em;background:var(--on-g);transform:scale(0);transition:transform .35s var(--ease)}
.ov nav a:hover,.ov nav a:focus-visible,.ov nav a[aria-current=page]{padding-left:.3em;outline:0}
.ov nav a:hover::after,.ov nav a:focus-visible::after,.ov nav a[aria-current=page]::after{transform:none}
.ov .foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 40px;font-size:15px;border-top:1px solid rgba(10,10,10,.25);padding-top:20px}
.ov .foot a{font-weight:700}

/* ── 공통 부품 ── */
.cta{display:inline-flex;align-items:center;gap:14px;height:56px;padding:0 26px;background:var(--g);color:var(--on-g);font:700 16px var(--sans);white-space:nowrap;transition:gap .3s var(--ease)}
.cta:hover{gap:22px}.cta b{font:500 20px var(--disp)}
.cta:active{transform:translateY(1px)}
.ghost{display:inline-flex;align-items:center;gap:12px;height:56px;padding:0 24px;border:1px solid var(--line);font:600 15px var(--sans);transition:border-color .3s,gap .3s var(--ease)}
.ghost:hover{border-color:var(--ink-2);gap:18px}
.more{display:inline-flex;align-items:center;gap:10px;font:600 15px var(--sans);border-bottom:1px solid var(--line);padding-bottom:4px;transition:gap .3s var(--ease),border-color .3s}
.more:hover{gap:16px;border-color:var(--g)}
.lbl{font:500 12px/1.3 var(--mono);letter-spacing:.04em;color:var(--ink-3);text-transform:uppercase}
.tag{display:inline-flex;align-items:center;gap:7px;font:500 12px/1 var(--mono);color:var(--ink-2)}
.tag::before{content:"";width:6px;height:6px;background:var(--g)}
.crumb{display:flex;flex-wrap:wrap;gap:10px;font:500 12px/1 var(--mono);color:var(--ink-3);list-style:none}
.crumb li+li::before{content:"/";margin-right:10px;color:var(--line)}
.crumb a:hover{color:var(--ink)}
.crumb [aria-current]{color:var(--ink-2)}
.note{display:inline-flex;gap:8px;align-items:flex-start;font:500 12px/1.5 var(--mono);color:var(--ink-3);border-left:2px solid var(--g);padding-left:10px}
.h2{font:800 clamp(34px,4.4vw,78px)/1.2 var(--sans);letter-spacing:-.05em}
.h3{font:750 clamp(22px,2vw,32px)/1.25 var(--sans);letter-spacing:-.03em}
.lede{font-size:clamp(17px,1.35vw,21px);color:var(--ink-2);max-width:34em;line-height:1.65}
.sec{padding-block:clamp(80px,10vw,160px)}
.sec+.sec{border-top:1px solid var(--line)}
.rv{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.on{opacity:1;transform:none}

/* ── 서브 페이지 머리: 큰 영문 단어 + 사각. 스크롤하면 사각이 커지며 초록 띠가 된다 ── */
.sh{position:relative;padding-block:clamp(130px,16vh,190px) clamp(56px,7vw,110px);view-timeline-name:--sh;view-timeline-inset:0px}
.sh .crumb{margin-bottom:clamp(28px,4vw,56px)}
.sh .word{display:flex;white-space:nowrap;align-items:flex-end;gap:clamp(10px,1.2vw,22px);font:850 clamp(50px,15.5vw,300px)/.78 var(--disp);font-stretch:112%;letter-spacing:-.06em;margin-left:-.05em}
.sh .word span{display:block;animation:up 1s var(--ease) both}
.sh .word i{display:block;width:.2em;height:.2em;flex:none;background:var(--g);margin-bottom:.02em;animation:pop .9s .25s var(--ease) both;transform-origin:0 100%}
.sh .word .n{font-size:.22em;letter-spacing:0;font-family:var(--mono);font-weight:500;color:var(--ink-3);align-self:flex-start;margin-top:.4em}
.sh .def{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:clamp(40px,5vw,80px);align-items:end}
.sh h1{grid-column:1/8;font:780 clamp(28px,3.1vw,56px)/1.22 var(--sans);letter-spacing:-.04em}
.sh .def p{grid-column:8/13;color:var(--ink-2);font-size:clamp(16px,1.2vw,19px)}
.sh .band{height:clamp(8px,1vw,14px);background:var(--g);margin-top:clamp(48px,6vw,96px);transform-origin:0 50%;transform:scaleX(.035)}
@supports (animation-timeline:view()){
  .sh .band{animation:bandgrow linear both;animation-timeline:view(block 0px);animation-range:entry 100% cover 45%}
}
@supports not (animation-timeline:view()){.sh .band{transform:none}}
@keyframes bandgrow{to{transform:none}}
@keyframes up{from{transform:translateY(40%);opacity:0}}
@keyframes pop{from{transform:scale(0)}}

/* ── 창이 열리는 머리(케이스·회사) — 홈 첫 화면과 같은 동작 ── */
.op{position:relative;height:240vh;view-timeline-name:--op;view-timeline-inset:0px}
.op .stage{position:sticky;top:0;height:100dvh;overflow:hidden}
.op .win{position:absolute;inset:0;background:var(--g);clip-path:inset(calc(50% - var(--S,24vmin)/2) calc(50% - var(--S,24vmin)/2));--S:clamp(150px,24vmin,320px)}
.op .win img{width:100%;height:100%;object-fit:cover}
.op .win::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),transparent 30%,transparent 50%,rgba(0,0,0,.7))}
.op .ttl{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(28px,6vh,64px);z-index:2}
.op .ttl .crumb{margin-bottom:22px}
/* 표지 이미지 위 제목(10/19) — 이미지 속 글자와 겹치지 않게, 제목 뒤를 현재 톤의 바탕색으로 서서히 채운다(다크·라이트 공통) */
.op:not(.ab-op) .ttl::before{content:"";position:absolute;z-index:-1;left:calc(-1 * var(--pad));right:calc(-1 * var(--pad));top:-14vh;bottom:calc(-1 * clamp(28px,6vh,64px));background:linear-gradient(to bottom,transparent 0,color-mix(in srgb,var(--bg) 70%,transparent) 8vh,var(--bg) calc(14vh - 18px),var(--bg) 100%);pointer-events:none}
.op h1{font:800 clamp(34px,5.2vw,96px)/1.2 var(--sans);letter-spacing:-.05em;max-width:15em}
.op .sub{margin-top:16px;color:var(--ink-2);font-size:clamp(16px,1.3vw,20px);max-width:34em}
.op .hint{position:absolute;right:var(--pad);bottom:clamp(28px,6vh,64px);z-index:2}
/* 작업 상세 표지(10/19 v4) — 창은 화면 전체로 열리고, 전체 면은 흐린 배경 + 현재 톤 색, 그 위에 선명한 원본을 원본 비율로.
   위 --tp 는 GNB, 아래 --ta 는 제목 자리 */
.op.frame{--tp:84px;--ta:clamp(250px,34vh,330px);--fw:min(calc(100vw - 2 * var(--pad)),var(--nw),calc((100dvh - var(--tp) - 12px - var(--ta)) * var(--ar)))}
.op.frame .win{background:var(--bg-2)}
.op.frame .win img.bgx{position:absolute;left:-15%;top:-15%;width:130%;height:130%;max-width:none;object-fit:cover;filter:blur(36px) saturate(1.15);z-index:0}
.op.frame .win::after{background:color-mix(in srgb,var(--bg) 66%,transparent);z-index:1}
.op.frame .win img.full{position:absolute;left:50%;top:calc(var(--tp) + max(0px, (100dvh - var(--tp) - var(--ta) - var(--fw) / var(--ar)) / 2));width:var(--fw);height:calc(var(--fw) / var(--ar));translate:-50% 0;object-fit:contain;z-index:2;box-shadow:0 24px 70px rgba(0,0,0,.35);outline:1px solid color-mix(in srgb,var(--ink) 10%,transparent)}
.op.frame .win .sqi{z-index:3}
/* 워드마크 타일 — 프로젝트 상징 이름. 창이 열리면 사라진다(.sqi 와 같은 동작) */
.op .win .sqm{display:grid;place-items:center;align-content:center;justify-content:stretch;gap:.6em;padding:calc(var(--S) * .1);background:var(--mb);color:var(--mf);text-align:center}
.op .win .sqm b{max-width:100%;font:850 calc(var(--S) * .13)/1.08 var(--disp);font-stretch:100%;letter-spacing:-.03em;word-break:keep-all;text-wrap:balance}
.op .win .sqm small{position:absolute;left:10%;bottom:9%;font:500 calc(var(--S) * .045)/1 var(--mono);letter-spacing:.06em;opacity:.8}
.op .win .sqm::after{content:"";position:absolute;right:10%;bottom:9%;width:calc(var(--S) * .05);aspect-ratio:1;background:var(--g)}
.op.frame .ttl::before{display:none}
.op.frame h1{font-size:clamp(30px,3.6vw,62px)}
@media (max-width:900px){.op.frame{--ta:clamp(250px,38vh,330px);--tp:96px}}
@supports (animation-timeline:view()){
  .op .win{animation:open linear both;animation-timeline:--op;animation-range:contain 0% contain 60%}
  .op .ttl .sub,.op .hint{animation:fadeo linear both;animation-timeline:--op;animation-range:contain 50% contain 80%}
}
@supports not (animation-timeline:view()){.op{height:100dvh}.op .win{clip-path:none}}
@keyframes open{to{clip-path:inset(0 0)}}
@keyframes fadeo{to{opacity:0}}

/* ── 푸터 ── */
.foot2{border-top:1px solid var(--line);padding:clamp(56px,7vw,100px) 0 44px}
.foot2 .top{display:grid;grid-template-columns:repeat(13,1fr);gap:24px} /* v2: Business 칸 추가로 13칸 */
.foot2 .big{grid-column:1/4;font:850 clamp(40px,5vw,88px)/1.2 var(--disp);font-stretch:112%;letter-spacing:-.055em}
.foot2 .big a{display:inline-flex;align-items:flex-end;gap:.18em;transition:color .3s}
.foot2 .big a i{width:.24em;height:.24em;background:var(--g);transition:transform .4s var(--ease)}
.foot2 .big a:hover i{transform:scale(1.5)}
.foot2 .col{grid-column:span 2;font-size:15px;color:var(--ink-2)}
.foot2 .col:first-of-type{grid-column:4/6}
.foot2 .col b{display:block;color:var(--ink);font-weight:600;margin-bottom:10px;font-size:14px}
.foot2 .col a{display:block;padding:3px 0}.foot2 .col a:hover{color:var(--ink)}
.foot2 .bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;margin-top:clamp(48px,6vw,90px);padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}

/* ── GEO 확인 패널(프로토타입 전용) — 이 페이지가 검색·AI에 내보내는 값 ── */
.geo-b{position:fixed;left:var(--pad);bottom:18px;z-index:50;display:flex;align-items:center;gap:8px;height:34px;padding:0 12px;border:1px solid var(--line);background:rgba(14,14,13,.86);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font:500 12px var(--mono);color:var(--ink-2);cursor:pointer}
.geo-b::before{content:"";width:7px;height:7px;background:var(--g)}
.geo-b:hover{color:var(--ink);border-color:var(--ink-3)}
.geo{position:fixed;left:var(--pad);bottom:62px;z-index:52;width:min(560px,calc(100vw - 2*var(--pad)));max-height:min(72vh,720px);overflow:auto;background:var(--bg-2);border:1px solid var(--line);padding:22px;font-size:14px;display:none}
.geo.open{display:block}
.geo h2{font:700 15px var(--sans);margin-bottom:4px}
.geo .s{color:var(--ink-3);font-size:12px;margin-bottom:16px}
.geo dl{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;margin-bottom:16px}
.geo dt{font:500 11px var(--mono);color:var(--ink-3);padding-top:3px}
.geo dd{color:var(--ink);word-break:break-all}
.geo dd .ok{color:var(--g);font-family:var(--mono);font-size:12px;margin-right:6px}
.geo pre{background:var(--bg);border:1px solid var(--line);padding:12px;font:12px/1.5 var(--mono);color:var(--ink-2);white-space:pre-wrap;word-break:break-all;max-height:260px;overflow:auto}

/* 로고 사각 — 초록과 흰색이 번갈아 깜빡임. 늘 깨어 있는 회사라는 뜻 */
.logo i{animation:alive 1.6s steps(1) infinite}
@keyframes alive{0%{background:#fff}50%{background:var(--g)}}
body.navdark .logo i{animation-name:alive-d}
@keyframes alive-d{0%{background:#fff}50%{background:var(--on-g)}}

/* 줄바꿈 — 제목은 줄 길이를 고르게, 본문은 마지막 줄에 한 단어만 떨어지지 않게 */
h1,h2,h3,h4,summary,figcaption,.lead,.lede,.cn,.res,.rs,.cl{text-wrap:balance}
p,li,dd,dt,em,blockquote{text-wrap:pretty}

@media (max-width:900px){
  .menu,.navcta{display:none}
  .dot{transform:none;opacity:1;pointer-events:auto}
  .sh .word .n{display:none}.sh .def{grid-template-columns:1fr}.sh h1,.sh .def p{grid-column:1/-1}
  .foot2 .top{grid-template-columns:1fr 1fr}.foot2 .big{grid-column:1/-1;margin-bottom:24px}.foot2 .col,.foot2 .col:first-of-type{grid-column:span 1}
  .op .hint{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}.sh .band{transform:none}
  .op{height:auto}.op .stage{position:relative;height:88dvh}.op .win{clip-path:none}
}

/* 커서 미리보기(서비스·아카이브 목록) */
.pv{position:fixed;left:0;top:0;z-index:30;width:320px;aspect-ratio:4/3;pointer-events:none;opacity:0;transition:opacity .3s}
.pv.on{opacity:1}
.pv .in{width:100%;height:100%;border:6px solid var(--g);background:var(--bg-2);overflow:hidden}
.pv img{width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.pv{display:none}}

/* 창이 닫혀 있을 때는 상징 크롭(.sqi)을, 열리면 전체 이미지(.full)를 */
.op .win .sqi{position:absolute;left:50%;top:50%;width:var(--S);height:var(--S);translate:-50% -50%;object-fit:cover;z-index:1}
.op .win:has(.sqi) .full{opacity:0}
@supports (animation-timeline:view()){
  .op .win .sqi{animation:fadeo linear both;animation-timeline:--op;animation-range:contain 2% contain 22%}
  .op .win:has(.sqi) .full{animation:showi linear both;animation-timeline:--op;animation-range:contain 4% contain 26%}
}
@supports not (animation-timeline:view()){.op .win .sqi{display:none}.op .win:has(.sqi) .full{opacity:1}}
@keyframes showi{to{opacity:1}}
.resbox li b.tx{font-size:clamp(28px,2.6vw,44px);line-height:1.05}

/* 첫 화면이 초록인 페이지 — 반전 블렌드 대신 검정 글자 */
body.navdark .nav{mix-blend-mode:normal;color:var(--on-g)}
body.navdark .nav .logo i,body.navdark .navcta i,body.navdark .menu a[aria-current=page]::after{background:var(--on-g)}

/* 메일 링크 선택 메뉴(10/23) */
.mpick{position:fixed;z-index:80;width:min(300px,calc(100vw - 24px));background:var(--bg);border:1px solid var(--ink-3);box-shadow:0 18px 50px rgba(0,0,0,.35);padding:8px}
.mpick .mp-h{font:500 12px var(--mono);color:var(--ink-3);padding:8px 12px 10px;border-bottom:1px solid var(--line);margin-bottom:4px;word-break:break-all}
.mpick a,.mpick button{all:unset;box-sizing:border-box;display:grid;gap:2px;width:100%;padding:11px 12px;cursor:pointer;font:700 15px/1.3 var(--sans);color:var(--ink)}
.mpick small{font:400 12.5px/1.3 var(--sans);color:var(--ink-3)}
.mpick a:hover,.mpick button:hover,.mpick a:focus-visible,.mpick button:focus-visible{background:var(--bg-3);outline:none}
.mpick a:focus-visible,.mpick button:focus-visible{box-shadow:inset 2px 0 0 var(--g)}

/* 시안 전용 「GEO 확인」 — 휴대폰에서는 화면 아래 버튼·본문을 가려 숨긴다(10/23 · 배포본에는 원래 없음) */
@media (max-width:900px){.geo-b,.geo{display:none!important}}