/* ===== A-ONE 시공실적 갤러리 ===== */
.pf{--pf-ink:#222;--pf-sub:#8a8a8a;--pf-line:#dcdcdc;--pf-active:#555;--pf-accent:#CDA25A;color:var(--pf-ink);}
.pf *{box-sizing:border-box}

/* 1차: 사업분야 탭 */
.pf ul.pf-tabs{display:flex;max-width:none;margin:0;padding:0;list-style:none;background:#fff;position:relative;z-index:2;border:1px solid var(--pf-line);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.pf ul.pf-tabs::-webkit-scrollbar{display:none}
.pf ul.pf-tabs > li{flex:1 1 0;min-width:120px;margin:0;padding:0;float:none;border:0;border-left:1px solid var(--pf-line);background:none}
.pf ul.pf-tabs > li:first-child{border-left:0}
.pf ul.pf-tabs > li > a{position:relative;display:flex;align-items:center;justify-content:center;height:64px;padding:0 24px;font-size:17px;font-weight:500;color:#444;text-decoration:none;white-space:nowrap;transition:background .15s,color .15s}
.pf ul.pf-tabs > li > a:hover{color:#000;background:#fafafa}
.pf ul.pf-tabs > li.on{border-left-color:var(--pf-active)}
.pf ul.pf-tabs > li.on + li{border-left-color:var(--pf-active)}
.pf ul.pf-tabs > li.on > a{background:var(--pf-active);color:#fff;font-weight:700}
.pf ul.pf-tabs > li.on > a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--pf-accent)}

/* 2차: 년도 */
.pf .pf-years-wrap{margin:44px 0 0}
.pf .pf-years-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;border-bottom:1px solid #ececec}
.pf .pf-years-scroll::-webkit-scrollbar{display:none}
.pf ul.pf-years{display:flex;flex-wrap:nowrap;align-items:center;width:max-content;margin:0 auto;padding:0;list-style:none}
.pf ul.pf-years > li{margin:0;padding:0;float:none;border:0;background:none}
.pf ul.pf-years > li > a{position:relative;display:flex;align-items:center;gap:6px;padding:0 20px 16px;font-size:16px;line-height:1.2;color:#888;text-decoration:none;white-space:nowrap;transition:color .15s}
.pf ul.pf-years > li > a:hover{color:#222}
.pf ul.pf-years > li.on > a{color:#111;font-weight:700}
.pf ul.pf-years > li.on > a:after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:2px;background:#111}
.pf ul.pf-years > li.all{margin-right:8px;position:relative}
.pf ul.pf-years > li.all:after{content:"";position:absolute;right:0;top:1px;height:16px;width:1px;background:#d5d5d5}
.pf ul.pf-years > li.more{margin-left:8px;position:relative}
.pf ul.pf-years > li.more:before{content:"";position:absolute;left:0;top:1px;height:16px;width:1px;background:#d5d5d5}
.pf ul.pf-years > li.more > a{color:#666}
.pf ul.pf-years > li.more.on > a{color:#111}
.pf ul.pf-years > li.more i{font-size:14px;transition:transform .2s}
.pf ul.pf-years > li.more.open i{transform:rotate(180deg)}

.pf .pf-years-more{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 8px;padding:16px 20px;background:#f7f7f7;border-bottom:1px solid #ececec}
.pf .pf-years-more[hidden]{display:none}
.pf .pf-years-more a{padding:6px 14px;font-size:15px;color:#777;text-decoration:none;border-radius:3px}
.pf .pf-years-more a:hover{color:#111;background:#fff}
.pf .pf-years-more a.on{color:#fff;background:var(--pf-active);font-weight:700}

/* 갤러리 */
.pf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:56px 38px;margin:56px 0 0;padding:0;list-style:none}
.pf-grid li{margin:0;min-width:0}
.pf-card{display:block;text-decoration:none;color:inherit}
.pf-thumb{position:relative;aspect-ratio:4/3;border:1px solid #e3e3e3;background:#fff;overflow:hidden}
.pf-thumb img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .35s ease}
.pf-thumb.pf-crop img{object-fit:cover}
.pf-thumb .pf-noimg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#c8c8c8;font-size:42px;background:#f7f7f7}
.pf-card:hover .pf-thumb img{transform:scale(1.04)}
.pf-card:hover .pf-thumb{border-color:#bdbdbd}
.pf-title{margin:24px 0 0;font-size:17px;font-weight:500;line-height:1.45;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pf-title .yr{color:var(--pf-sub);font-weight:400;margin-right:8px}
.pf-card:hover .pf-title .yr{color:var(--pf-accent)}
.pf-card:hover .pf-title .tt{text-decoration:underline;text-underline-offset:3px}
.pf .pf-meta{margin:14px 0 0;padding:14px 0 0;border-top:1px solid #eee;font-size:14px;line-height:1.5}
.pf .pf-meta > div{display:flex;gap:12px;margin:0 0 4px}
.pf .pf-meta dt{flex:0 0 56px;margin:0;color:#999;font-weight:400}
.pf .pf-meta dd{flex:1;min-width:0;margin:0;color:#444;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pf-date{margin:12px 0 0;font-size:14px;color:var(--pf-sub)}
.pf-check{margin-top:8px;font-size:13px;color:#999}
.pf-empty{margin:90px 0;text-align:center;color:#999;font-size:16px}

.pf .btnArea{margin-top:60px}
.pf .list_footer{margin-top:30px}

@media (max-width:1100px){.pf-grid{grid-template-columns:repeat(3,1fr);gap:44px 28px}}
@media (max-width:800px){
  .pf ul.pf-tabs{flex-wrap:wrap;overflow:visible;gap:1px;background:var(--pf-line)}
  .pf ul.pf-tabs > li,.pf ul.pf-tabs > li.on,.pf ul.pf-tabs > li.on + li{flex:1 1 30%;min-width:0;border:0;background:#fff}
  .pf ul.pf-tabs > li > a{height:auto;min-height:50px;padding:8px 6px;font-size:14px;line-height:1.3;text-align:center;white-space:normal;word-break:keep-all}
  .pf .pf-years-wrap{margin-top:28px}
  .pf ul.pf-years{margin:0}
  .pf ul.pf-years > li > a{font-size:14px;padding:0 12px 12px}
  .pf ul.pf-years > li.on > a:after{left:12px;right:12px}
  .pf .pf-years-more{justify-content:flex-start;padding:12px}
  .pf .pf-years-more a{font-size:14px;padding:6px 10px}
  .pf-grid{grid-template-columns:repeat(2,1fr);gap:32px 16px;margin-top:40px}
  .pf-title{font-size:15px;margin-top:14px;white-space:normal}
  .pf-date{font-size:13px;margin-top:6px}
  .pf .pf-meta{font-size:13px;margin-top:10px;padding-top:10px}
  .pf .pf-meta > div{gap:8px}
  .pf .pf-meta dt{flex-basis:50px}
}
@media (max-width:420px){.pf-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.pf-thumb img{transition:none}.pf-card:hover .pf-thumb img{transform:none}}