/* 공앤유 소개(about.html) — 메인과 같은 .sec · .w · .head · .t · .btn 위에 페이지 전용 부품(.ab-)만 더한다.
   구역: 사진 띠 → 역할 → 일하는 방식(.alt) → 인사말 → 연혁(.navy) → 고객사 → 상담(금색). */
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* 로고 벽 사진(11-12 공우상 "여기서도 로고가 안 짤리게"): 로고가 원본의 가로 10~86%·세로 32~68% → 띠를 2:1 가까이 높이고 스크롤 확대를 거의 없애 로고 전체와 여백이 늘 보이게 */
.pband{height:clamp(300px,48vw,720px);--s0:1.04;--s1:1}
.pband img{object-position:48% 50%}
.phead .l2{text-wrap:balance}

/* 2 역할 — PPT 7쪽 문장을 가장 크게, 오른쪽에 '출원 이후' */
.ab-role .w{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:80px;align-items:start}
.ab-after{align-self:end}
.ab-st{font-size:clamp(28px,2.9vw,42px);line-height:1.52;letter-spacing:-.058em;color:var(--navy);font-weight:400}
.ab-st b{font-weight:700}
.ab-al{font-size:17px;line-height:1.85;color:var(--body)}
.ab-after dl{margin-top:30px;border-bottom:1px solid var(--line)}
.ab-after dl>div{display:grid;grid-template-columns:76px 1fr;gap:14px;padding:16px 0 15px;border-top:1px solid var(--line)}
.ab-after dt{font-family:var(--sans);font-size:13.5px;font-weight:600;color:var(--gold-d);letter-spacing:-.01em;padding-top:3px}
.ab-after dd{font-size:16.5px;line-height:1.65;color:var(--ink)}
.ab-after .btn{margin-top:34px}

/* 3 일하는 방식 — 메인 다섯 단계와 같은 윗선·세로선 */
.ab-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(56px,6.4vw,92px)}
.ab-cols article{position:relative;display:flex;flex-direction:column;padding:34px 36px 4px}
.ab-cols article:first-child{padding-left:0}.ab-cols article:last-child{padding-right:0}
.ab-cols article::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--navy)}
.ab-cols article+article{border-left:1px solid var(--line)}
.ab-wl{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--gold-d);letter-spacing:-.01em}
.ab-cols h3{margin-top:46px;font-size:clamp(22px,1.8vw,25.5px);line-height:1.45;text-wrap:balance;font-weight:700;letter-spacing:-.058em;color:var(--navy)}
.ab-wb{margin-top:18px;font-size:16px;line-height:1.8;color:var(--body)}
.ab-proof{margin-top:auto;padding-top:40px}
.ab-proof li{display:grid;grid-template-columns:78px 1fr;gap:10px;padding:12px 0 11px;border-top:1px solid var(--line);font-family:var(--sans);font-size:14.5px;line-height:1.55;color:var(--ink);letter-spacing:-.015em}
.ab-proof li:last-child{border-bottom:1px solid var(--line)}
.ab-proof span{font-size:13px;color:var(--muted);padding-top:1px}
.ab-more{display:inline-flex;align-items:center;gap:12px;margin-top:24px;font-size:15.5px;font-weight:600;color:var(--navy);letter-spacing:-.03em;transition:gap .25s var(--ease),color .2s}
.ab-more svg{width:24px;height:10px}
.ab-more:hover{gap:18px;color:var(--gold-d)}

/* 4 인사말 — 원문 그대로, 첫 문장만 크게 */
.ab-gw{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:clamp(56px,7vw,110px);align-items:start}
.ab-gl{margin-top:44px;font-size:clamp(22px,2vw,28px);line-height:1.6;font-weight:500;color:var(--ink);letter-spacing:-.05em}
.ab-gb{margin-top:10px;max-width:35em}
.ab-gb p{margin-top:22px;font-size:17.5px;line-height:1.95}
.ab-gb .ab-ge{margin-top:40px;font-size:21px;font-weight:700;color:var(--navy);letter-spacing:-.05em}
.ab-gp{position:relative;aspect-ratio:4/5;overflow:hidden;background:#cfcdc9;margin-top:8px}
.ab-gp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 50%}
.ab-gp.rv.clip{--s0:1.22;--s1:1.08}
.js .ab-gp img{translate:0 calc(var(--plx,0)*-24px)}

/* 5 연혁 — 해 고르기(메인 단계의 윗선 언어) + 그해 기록 */
.ab-rail{display:grid;grid-template-columns:repeat(var(--n,7),minmax(0,1fr));margin-top:clamp(56px,6.4vw,92px)}
.ab-rail button{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:22px 0 4px;border:0;border-top:1px solid rgba(255,255,255,.28);background:none;color:rgba(255,255,255,.46);cursor:pointer;text-align:left;transition:color .3s}
.ab-rail button::before{content:"";position:absolute;left:0;right:0;top:-1px;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:0 50%;transition:transform .3s ease}
.ab-rail button[aria-selected=true]{color:#fff}
.ab-rail button[aria-selected=true]::before{transform:none}
.ab-rail button:hover{color:rgba(255,255,255,.85)}
.ab-rail b{font-family:var(--lat);font-weight:400;font-size:clamp(26px,2.4vw,34px);line-height:1;letter-spacing:.01em}
.ab-rail span{font-family:var(--sans);font-size:13px;letter-spacing:-.01em;opacity:.8}
.ab-rail button[aria-selected=true] span{color:var(--gold);opacity:1}
.ab-hist:not(.tabbed) .ab-rail,.ab-hist:not(.tabbed) .ab-step{display:none}
.ab-yp{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(48px,6vw,96px);margin-top:clamp(52px,5.4vw,76px);outline:0}
.ab-hist.tabbed .ab-yp{display:none}
.ab-hist.tabbed .ab-yp.on{display:grid}
.ab-yl{align-self:start;position:sticky;top:124px}
.ab-yn{font-family:var(--lat);font-size:clamp(96px,10vw,148px);line-height:.86;letter-spacing:-.01em;color:var(--gold)}
.ab-ys{margin-top:34px;font-size:clamp(18px,1.5vw,21px);line-height:1.7;color:rgba(255,255,255,.9);max-width:19em}
.ab-yi{align-self:start;border-bottom:1px solid var(--line-w)}
.ab-yi li{display:grid;grid-template-columns:62px 1fr;gap:12px;padding:17px 0 16px;border-top:1px solid var(--line-w)}
.ab-yi .m{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--gold);padding-top:4px;letter-spacing:-.01em}
.ab-yi p{font-size:18px;line-height:1.6;color:rgba(255,255,255,.92);letter-spacing:-.045em}
.ab-step{display:flex;justify-content:space-between;margin-top:44px}
.ab-step button{display:inline-flex;align-items:center;gap:14px;height:46px;padding:0;border:0;background:none;color:rgba(255,255,255,.72);font-family:var(--lat);font-size:20px;letter-spacing:.01em;cursor:pointer;transition:color .2s,gap .25s var(--ease)}
.ab-step button svg{width:26px;height:10px}
.ab-step button:hover{color:var(--gold);gap:20px}
.ab-step button[hidden]{display:inline-flex;visibility:hidden}
.ab-step .ab-next{margin-left:auto}
/* 해를 바꿀 때: 큰 숫자 → 요약 → 기록이 차례로 올라온다 */
@keyframes abUp{from{opacity:0;transform:translateY(8px)}}
.js .ab-yp.enter .ab-yn{animation:abUp .5s ease both}
.js .ab-yp.enter .ab-ys{animation:abUp .5s ease .05s both}
.js .ab-yp.enter li{animation:abUp .45s ease calc(.08s + min(var(--i,0),8)*.025s) both}

/* 6 고객사 — 선 격자, 로고는 원본 비율, 남는 칸은 나머지 고객 수 */
.ab-gwrap{margin-top:clamp(52px,5.6vw,80px);overflow:hidden}
.ab-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));margin-right:-1px;border-bottom:1px solid var(--line)}
.ab-grid li{position:relative;height:172px;display:flex;align-items:center;justify-content:center;border-top:1px solid var(--line);border-right:1px solid var(--line);padding:0 18px 14px}
.ab-grid img{width:calc(var(--w)*1px);height:auto;max-width:100%;opacity:.86;transition:opacity .3s}
.ab-grid li:hover img{opacity:1}
.ab-grid span{position:absolute;left:18px;bottom:14px;font-family:var(--sans);font-size:12.5px;color:var(--muted);letter-spacing:-.01em}
.ab-grid .ab-rest{grid-column:span var(--sd);justify-content:flex-start;padding:0 36px}
.ab-rest p{font-size:19px;line-height:1.65;color:var(--ink);letter-spacing:-.045em}
.ab-rest b{color:var(--navy);font-weight:700}

/* 7 상담 — 금색 띠 */
.ab-call{background:var(--gold);color:var(--navy);padding:clamp(76px,7.6vw,110px) 0}
.ab-call .w{display:grid;grid-template-columns:1fr auto auto;align-items:end;gap:28px 64px}
.ab-tel{font-family:var(--lat);font-weight:700;font-size:clamp(40px,3.8vw,54px);line-height:1;letter-spacing:.01em}
.ab-btns{display:flex;gap:10px}

@media (max-width:1240px){
  .ab-role .w{grid-template-columns:1fr;gap:56px}
  .ab-after{max-width:560px}
  .ab-cols article{padding:30px 26px 4px}
  .ab-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .ab-grid .ab-rest{grid-column:span var(--st)}
}
@media (max-width:900px){
  .ab-st{font-size:clamp(25px,6.9vw,30px);line-height:1.55}
  .ab-role .w{gap:44px}
  .ab-al{font-size:16px}
  .ab-after dd{font-size:15.5px}
  .ab-after dl>div{grid-template-columns:66px 1fr}
  .ab-cols{grid-template-columns:1fr;margin-top:44px;gap:44px}
  .ab-cols article,.ab-cols article:first-child,.ab-cols article:last-child{padding:28px 0 0}
  .ab-cols article+article{border-left:0}
  .ab-cols h3{margin-top:22px;font-size:23px}
  .ab-wb{margin-top:12px;font-size:15.5px}
  .ab-proof{padding-top:24px}
  .ab-proof li{font-size:14px}
  .ab-gw{grid-template-columns:1fr;gap:48px}
  .ab-gl{margin-top:28px;font-size:21px}
  .ab-gb p{margin-top:18px;font-size:16px;line-height:1.9}
  .ab-gb .ab-ge{margin-top:30px;font-size:19px}
  .ab-gp{margin:0 -24px;aspect-ratio:4/3}
  .ab-rail{margin-top:44px}
  .ab-rail button{padding-top:16px;gap:6px}
  .ab-rail b{font-size:17px}
  .ab-rail span{font-size:11px}
  .ab-yp{grid-template-columns:1fr;gap:30px;margin-top:40px}
  .ab-yl{position:static}
  .ab-yn{font-size:72px}
  .ab-ys{margin-top:18px;font-size:17px}
  .ab-yi li{grid-template-columns:46px 1fr;gap:8px;padding:14px 0 13px}
  .ab-yi .m{font-size:13px;padding-top:3px}
  .ab-yi p{font-size:16px}
  .ab-step{margin-top:28px}
  .ab-step button{font-size:18px}
  .ab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ab-grid .ab-rest{grid-column:span var(--sm);padding:0 20px}
  .ab-grid li{height:104px;padding:0 14px 16px}
  .ab-grid img{width:calc(var(--w)*.64px)}
  .ab-grid span{left:14px;bottom:10px;font-size:11px}
  .ab-rest p{font-size:16px}
  .ab-call .w{grid-template-columns:1fr;gap:22px}
  .ab-tel{font-size:42px}
  .ab-btns{margin-top:8px}
  .ab-btns .btn{flex:1;justify-content:center;padding:0 12px}
}