/* 아키포인트 홈페이지 0안 — 기존 구성 유지형 (v1.1) */
:root{
  --navy:#13294b; --navy-d:#0d1d36; --ink:#1c2430; --muted:#4a5566; --sub:#6b7686;
  --line:#e3e7ee; --gray:#f3f5f9; --white:#fff; --ph:#c9d1dd;
  --accent:#e08a2c; --accent-ink:#a55d12; --accent-soft:#fdf1e3;
  --g-a:#2f7d5b; --g-b:#5f8a2f; --g-c:#b8901c; --g-d:#c45f22; --g-e:#a83434;
  --font:"Noto Sans KR","Malgun Gothic","Apple SD Gothic Neo",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--white);line-height:1.65;word-break:keep-all;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--navy)}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.02em}
p{margin:0}
button,input,select,textarea{font:inherit}
button{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.note{font-size:12px;color:var(--sub);margin-top:10px}

.topbar{background:var(--navy);color:#c8d3e3;font-size:13px}
.topbar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px;padding-block:8px}
.topbar b{color:#fff;font-weight:500}
@media (max-width:600px){.topbar .wrap>span:first-child{display:none}}

.header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.header.scrolled{box-shadow:0 4px 16px rgba(19,41,75,.08)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px;position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand img{width:40px;height:auto}
.brand b{display:block;font-size:19px;line-height:1.2}
.brand small{display:block;font-size:11px;letter-spacing:.12em;color:var(--sub)}
.gnb{display:flex;gap:2px}
.gnb a{padding:10px 16px;text-decoration:none;font-weight:500;font-size:15px;color:var(--ink);position:relative}
.gnb a::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--accent);transform:scaleX(0);transition:transform .2s}
.gnb a:hover::after,.gnb a.on::after{transform:scaleX(1)}
.gnb a.on{color:var(--navy);font-weight:700}
.menu-btn{display:none;border:1px solid var(--line);background:var(--white);padding:8px 14px;cursor:pointer;min-height:44px}
@media (max-width:860px){
  .menu-btn{display:block}
  .gnb{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:var(--white);border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .gnb.open{display:flex}
  .gnb a{padding:14px 8px;border-bottom:1px solid var(--line)}
  .gnb a::after{display:none}
}

/* 메인 슬라이드 */
.hero{position:relative;background:var(--navy-d);color:#fff;min-height:560px;display:flex;align-items:flex-end;overflow:hidden}
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;display:flex;align-items:flex-end;opacity:0;transition:opacity .9s;background:var(--navy-d) center/cover no-repeat}
.slide.on{opacity:1}
.slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,20,38,.9) 0%,rgba(10,20,38,.62) 50%,rgba(10,20,38,.18) 100%)}
@media (max-width:760px){.slide::before{background:linear-gradient(0deg,rgba(10,20,38,.95) 0%,rgba(10,20,38,.8) 55%,rgba(10,20,38,.35) 100%)}}
.slide .lead{text-shadow:0 1px 2px rgba(0,0,0,.4)}
.slide .wrap{position:relative;width:100%;padding-bottom:100px}
.slide .eyebrow{font-size:14px;letter-spacing:.14em;color:#f2c48f;margin-bottom:12px}
.slide-title{margin:0;font-size:clamp(32px,5vw,52px);font-weight:900;line-height:1.25;letter-spacing:-.02em;white-space:pre-line}
.slide .lead{margin-top:18px;max-width:560px;color:#dfe5ee;font-size:17px}

/* 밝은 슬라이드 (도시 일러스트) */
.slide.light{background-color:#fff;background-size:min(980px,62%) auto;background-position:right 2% bottom 30px}
.slide.light::before{background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.92) 34%,rgba(255,255,255,0) 58%)}
.slide.light .eyebrow{color:var(--accent-ink)}
.slide.light .slide-title{color:var(--navy)}
.slide.light .lead{color:var(--muted);text-shadow:none}
@media (max-width:860px){
  .slide.light{background-size:100% auto;background-position:center bottom 70px;align-items:flex-start}
  .slide.light::before{background:linear-gradient(180deg,#fff 0%,rgba(255,255,255,.94) 52%,rgba(255,255,255,0) 72%)}
  .slide.light .wrap{padding-top:36px;padding-bottom:0}
}
.hero-ctrl{position:relative;width:100%;padding-bottom:44px}
.dots{display:flex;gap:8px}
.dots button{width:18px;height:4px;border:0;background:#7d8aa0;cursor:pointer;padding:0;position:relative}
.dots button::after{content:"";position:absolute;inset:-20px -4px}
.dots button[aria-selected="true"]{width:36px;background:var(--accent)}
@media (max-width:600px){.hero{min-height:460px}.slide .wrap{padding-bottom:80px}}

.quick{background:var(--white);border-bottom:1px solid var(--line)}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.quick-grid a{display:flex;flex-direction:column;gap:2px;padding:24px 20px;text-decoration:none;border-right:1px solid var(--line);transition:background .2s}
.quick-grid a:first-child{border-left:1px solid var(--line)}
.quick-grid a:hover{background:var(--accent-soft)}
.quick-grid b{font-size:17px;color:var(--navy)}
.quick-grid span{font-size:13px;color:var(--sub)}
@media (max-width:760px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-grid a{border-bottom:1px solid var(--line)}.quick-grid a:nth-child(3){border-left:1px solid var(--line)}}

.sec{padding-block:88px}
.sec.gray{background:var(--gray)}
.sec-title{margin-bottom:32px}
.sec-title p{font-size:13px;letter-spacing:.14em;color:var(--accent-ink);font-weight:500}
.sec-title h2{font-size:32px;color:var(--navy);margin-top:6px}
.sec-title.center{text-align:center}
@media (max-width:600px){.sec{padding-block:60px}.sec-title h2{font-size:26px}}

.tabs{display:flex;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.tabs button{border:1px solid var(--line);background:var(--white);padding:12px 26px;cursor:pointer;margin-left:-1px;min-height:46px;font-size:15px}
.tabs button[aria-selected="true"]{background:var(--navy);color:#fff;border-color:var(--navy);position:relative;font-weight:700}
@media (max-width:520px){.tabs button{padding:10px 14px;font-size:14px}}

/* 회사소개 */
.greet{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:48px;background:var(--white);padding:48px;align-items:start}
.greet-head{position:relative;padding-top:24px}
.greet-head .quote{position:absolute;top:-28px;left:-6px;font-size:110px;line-height:1;color:var(--accent);font-family:Georgia,serif;opacity:.5}
.greet-head h3{font-size:clamp(28px,3.4vw,40px);font-weight:900;color:var(--navy);position:relative}
#greeting p{margin-bottom:14px;color:var(--muted);font-size:17px}
#greeting p:first-child{font-size:20px;color:var(--navy);font-weight:700}
.sign{margin-top:28px;color:var(--sub);text-align:right;line-height:1.8}
.sign b{color:var(--ink);font-size:20px;margin-left:6px;letter-spacing:.2em}
@media (max-width:760px){.greet{grid-template-columns:1fr;gap:20px;padding:28px 22px}}
.history{list-style:none;margin:0 auto;padding:16px 36px;max-width:760px;background:var(--white);position:relative}
.history li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.history li:last-child{border-bottom:0}
.history b{color:var(--navy);font-variant-numeric:tabular-nums}
.history li:first-child b{color:var(--accent-ink)}
@media (max-width:520px){.history{padding:8px 20px}.history li{grid-template-columns:1fr;gap:2px}}
.org{background:var(--white);padding:40px 28px;text-align:center}
.org-top{display:flex;flex-direction:column;align-items:center;gap:14px;position:relative;padding-bottom:28px}
.org-head{background:var(--navy);color:#fff;font-weight:700;padding:14px 36px;font-size:18px}
.org-audit{border:1px solid var(--navy);color:var(--navy);padding:8px 28px;font-weight:500}
.org-depts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;border-top:2px solid var(--navy);padding-top:24px}
.org-dept b{display:block;background:var(--accent);color:#fff;padding:10px 6px;font-size:15px}
.org-dept ul{list-style:none;margin:0;padding:12px 6px;background:var(--accent-soft);min-height:100px}
.org-dept li{font-size:14px;padding:3px 0}
@media (max-width:860px){.org-depts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.org-depts{grid-template-columns:1fr}}
.map-wrap{background:var(--white);padding:28px;display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.map-wrap img{width:100%;border:1px solid var(--line)}
.map-info{display:grid;grid-template-columns:100px minmax(0,1fr);width:100%;margin:0}
.map-info dt,.map-info dd{margin:0;padding:11px 0;border-bottom:1px solid var(--line)}
.map-info dt{color:var(--sub)}

/* 업무분야 */
.biz-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}
.side{display:flex;flex-direction:column;border-top:3px solid var(--accent);position:sticky;top:96px}
.side button{text-align:left;border:0;border-bottom:1px solid var(--line);background:var(--white);padding:14px 16px;cursor:pointer;font-size:15px;min-height:48px}
.side button:hover{background:var(--gray)}
.side button[aria-pressed="true"]{background:var(--accent-soft);color:var(--accent-ink);font-weight:700;box-shadow:inset 3px 0 0 var(--accent)}
@media (max-width:860px){
  .biz-layout{grid-template-columns:1fr;gap:20px}
  .side{position:static;flex-direction:row;overflow-x:auto;border-top:0;border-bottom:2px solid var(--line);gap:0}
  .side button{white-space:nowrap;border:0;padding:12px 14px;min-height:44px}
  .side button[aria-pressed="true"]{box-shadow:inset 0 -3px 0 var(--accent)}
}
.svc-body{min-width:0}
.svc-law{font-size:13px;color:var(--accent-ink);font-weight:500}
.svc-body h3{font-size:28px;color:var(--navy);margin:4px 0 12px}
.svc-sum{color:var(--muted);font-size:17px;max-width:46em}
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.steps li{border:1px solid var(--line);padding:20px;position:relative}
.steps .no{position:absolute;top:16px;right:18px;font-size:28px;font-weight:900;color:var(--line)}
.steps b{display:block;color:var(--navy);font-size:17px;margin-bottom:6px}
.steps p{font-size:14px;color:var(--muted)}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.svc-items{list-style:none;margin:24px 0 0;padding:0;border-top:2px solid var(--navy)}
.svc-items li{padding:14px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.svc-items li b{display:block;color:var(--navy);margin-bottom:2px}
.grade-tbl{margin-top:28px}
.grade-tbl h4{font-size:18px;color:var(--navy);margin-bottom:10px}
.g{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;color:#fff;font-weight:700;font-size:13px}
.g-A{background:var(--g-a)}.g-B{background:var(--g-b)}.g-C{background:var(--g-c)}.g-D{background:var(--g-d)}.g-E{background:var(--g-e)}
td.desc{color:var(--sub);font-size:13px;white-space:normal;min-width:180px}
.svc-body .btn{margin-top:28px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 24px;background:var(--navy);color:#fff;text-decoration:none;font-weight:700;border:1px solid var(--navy);cursor:pointer;min-height:46px}
.btn.white{background:#fff;color:var(--navy);border-color:#fff}
.btn:hover{filter:brightness(1.1)}

/* 주요실적 */
.works-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.work{display:flex;flex-direction:column;background:var(--white);border:0;padding:0;text-align:left;cursor:pointer}
.work .img{display:block;aspect-ratio:4/3;background:var(--ph) center/cover no-repeat;transition:transform .4s}
.work{overflow:hidden}
.work:hover .img{transform:scale(1.04)}
.work .txt{display:flex;flex-direction:column;padding:16px 20px 20px;background:var(--white);position:relative}
.work .cat{font-size:12px;color:var(--accent-ink);font-weight:500}
.work b{font-size:18px;margin-top:4px;color:var(--ink)}
.work .meta{font-size:13px;color:var(--sub);margin-top:2px}
.eng-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}
.count{font-size:14px;color:var(--sub)}
.filter-rows{display:flex;flex-direction:column;gap:8px}
.filters.years button{min-height:34px;padding:5px 12px;font-size:13px}
.filters{display:flex;flex-wrap:wrap;gap:6px}
.filters button{border:1px solid var(--line);background:var(--white);padding:8px 16px;cursor:pointer;font-size:14px;min-height:40px}
.filters button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.tbl{overflow-x:auto;background:var(--white);border-top:2px solid var(--navy)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-weight:500;color:var(--sub);font-size:13px;background:var(--gray)}
td.y{color:var(--sub);font-variant-numeric:tabular-nums}
td.u{color:var(--muted)}
tbody tr:hover td{background:#fafbfd}

/* 등록 및 면허 */
.reg-list{list-style:none;margin:0 0 32px;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.reg-list li{border:1px solid var(--accent);color:var(--accent-ink);padding:8px 16px;font-weight:500;font-size:15px}
.lic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:960px;margin:0 auto}
.lic{border:1px solid var(--line);background:var(--white);padding:16px;text-align:center;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color .2s}
.lic:hover{border-color:var(--navy)}
.lic .img{display:block;aspect-ratio:1/1.414;background:var(--gray) center top/cover no-repeat;margin-bottom:10px;border:1px solid var(--line)}
.lic b{font-size:15px;color:var(--navy)}
.lic span:last-child{font-size:12px;color:var(--sub)}
@media (max-width:860px){.lic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* 고객지원 */
.board-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:28px}
@media (max-width:900px){.board-wrap{grid-template-columns:1fr}}
.board{background:var(--white);padding:28px}
.board-tabs{display:flex;border-bottom:2px solid var(--navy);margin-bottom:6px}
.board-tabs button{border:0;background:transparent;padding:10px 18px;cursor:pointer;color:var(--muted);min-height:44px}
.board-tabs button[aria-selected="true"]{background:var(--navy);color:#fff;font-weight:700}
.post-list{list-style:none;margin:0;padding:0}
.post-list li a,.post-list li div{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.post-list li a:hover span:first-child{color:var(--navy);text-decoration:underline}
.post-list .d{color:var(--sub);font-size:13px;white-space:nowrap}
.blog-link{display:inline-block;margin-top:16px;font-size:14px;font-weight:500}
.ask{background:var(--navy);color:#fff;padding:32px}
.ask h3{font-size:24px}
.ask>p{color:#c8d3e3;margin:8px 0 18px}
.ask form{display:grid;gap:12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.row2{grid-template-columns:1fr}.ask{padding:24px 20px}}
.ask label{display:block;font-size:13px;color:#c8d3e3;margin-bottom:4px}
.ask input,.ask select,.ask textarea{width:100%;border:1px solid #3b5170;background:#0f2240;color:#fff;padding:10px 12px}
.ask .btn{justify-self:start;margin-top:4px}
.form-note{font-size:12px;color:#93a1b7}
.form-note.done{color:#9be0b8;font-size:14px;font-weight:700}

.footer{background:var(--navy-d);color:#93a1b7;font-size:13px}
.footer .wrap{display:flex;flex-direction:column;gap:6px;padding-block:32px}
.footer b{color:#fff}

/* 사진 크게 보기 */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,14,26,.88);display:flex;align-items:center;justify-content:center;padding:20px}
.lightbox[hidden]{display:none}
.lb-inner{background:var(--white);width:min(1100px,100%);max-height:100%;overflow:auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;position:relative}
.lb-img{position:relative;background:#111;display:flex;align-items:center;justify-content:center;min-height:300px}
.lb-img img{max-height:78vh;width:auto;max-width:100%;object-fit:contain}
.lightbox.doc .lb-img{background:var(--gray)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:64px;border:0;background:rgba(0,0,0,.45);color:#fff;font-size:32px;cursor:pointer}
.lb-nav.prev{left:0}.lb-nav.next{right:0}
.lb-close{position:absolute;top:8px;right:8px;z-index:2;width:44px;height:44px;border:0;background:var(--navy);color:#fff;font-size:26px;cursor:pointer}
.lb-info{padding:56px 24px 24px}
.lb-info h3{font-size:22px;color:var(--navy);margin-bottom:14px}
.lb-info dl{display:grid;grid-template-columns:72px minmax(0,1fr);margin:0}
.lb-info dt,.lb-info dd{margin:0;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.lb-info dt{color:var(--sub)}
.lb-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:16px}
.lb-thumbs button{aspect-ratio:4/3;border:2px solid transparent;background:var(--ph) center/cover no-repeat;cursor:pointer;padding:0}
.lb-thumbs button[aria-current="true"]{border-color:var(--accent)}
@media (max-width:760px){.lb-inner{grid-template-columns:1fr}.lb-info{padding:16px 20px 20px}.lb-img img{max-height:56vh}}