/* Subpage template (common shell + service detail). Loaded after style.css and balance.css. */
.sub-page{--header-h:78px;--tabs-h:56px}
.sub-page .site-header{transition:transform .3s ease}

/* Header: Business opens the five service pages. */

/* KV */
.sub-kv{position:relative;background:var(--paper)}
.sub-kv-head{padding-top:176px;padding-bottom:56px}
.sub-kv-head .eyebrow{margin:0 0 28px;color:var(--muted)}
.sub-kv-head .eyebrow span{margin:0 6px}
.sub-kv h1{margin:0;font-size:clamp(56px,7vw,112px);font-weight:600;line-height:1;letter-spacing:-.05em;color:var(--ink)}
.sub-kv h1 em{display:block;margin-top:20px;font-style:normal;font-size:.36em;font-weight:500;letter-spacing:-.03em;color:#8b4320}
.sub-kv-media{position:relative;height:56vw;max-height:640px;min-height:320px;overflow:hidden;background:var(--navy)}
.sub-kv-image{position:absolute;inset:0;background:url('assets/donglim-city-hero.webp') center 60%/cover}
.sub-kv-image::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,20,22,.1),rgba(12,20,22,.62))}
.sub-kv-copy{position:absolute;left:0;right:0;bottom:0;padding-bottom:56px;color:var(--white)}
.sub-kv-copy p{margin:0;font-size:clamp(20px,2vw,30px);line-height:1.55;letter-spacing:-.03em;text-align:left;word-break:keep-all}

/* Section tabs: stick under the header, current section marked. */
.sub-tabs{position:sticky;top:var(--tabs-top,var(--header-h));z-index:9;background:#fff;border-bottom:1px solid var(--line);transition:top .3s ease}
.sub-tabs-inner{display:flex;gap:40px;height:var(--tabs-h);align-items:stretch;overflow-x:auto;scrollbar-width:none}
.sub-tabs-inner::-webkit-scrollbar{display:none}
.sub-tabs a{display:flex;align-items:center;flex-shrink:0;font-size:15px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .2s,border-color .2s}
.sub-tabs a:hover{color:var(--ink)}
.sub-tabs a.is-current{color:var(--logo-navy);border-bottom-color:var(--logo-navy);font-weight:600}
.tab-pending{display:flex;align-items:center;flex-shrink:0;font-size:15px;color:#a3a8a8}
.tab-pending small{margin-left:6px;font-size:12px}

/* Sections */
.sub-section{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr);gap:48px 64px;padding-top:120px;padding-bottom:120px;border-top:1px solid var(--line);scroll-margin-top:calc(var(--header-h) + var(--tabs-h))}
/* Light sections alternate paper / white instead of divider lines (dark sections keep their colour and restart the rhythm). */
.sub-section{border-top:0}
.sub-section-alt{background:#fff}
.sub-heading .eyebrow{margin:0 0 24px;color:var(--muted)}
.sub-heading h2{margin:0;font-size:clamp(30px,2.6vw,42px);font-weight:600;line-height:1.2;letter-spacing:-.04em;word-break:keep-all}
.sub-kv h1,.scope-list h3,.related-grid strong,.sub-page .contact h2{word-break:keep-all}
.sub-heading h2 em{font-style:normal;font-weight:350}
.sub-body p{margin:0 0 20px;max-width:680px;font-size:18px;line-height:1.8;color:#424a4b;text-align:left}
.sub-body .sub-regs{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);font-size:15px;color:var(--ink)}
.sub-regs span{display:inline-block;margin-right:16px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.sub-body .record-empty{margin:0 0 40px;padding:32px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);font-size:17px;color:var(--muted)}
.sub-section-dark{background:var(--navy);color:var(--white);border-top:0}
.sub-section-dark .sub-heading .eyebrow{color:rgba(255,255,255,.6)}
.sub-section-dark .note{margin-top:28px;font-size:15px;color:rgba(255,255,255,.6)}

.scope-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.scope-list li{display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1.3fr);gap:24px;align-items:baseline;padding:32px 0;border-bottom:1px solid var(--line)}
.scope-list h3{margin:0;font-size:26px;font-weight:600;letter-spacing:-.03em}
.scope-list p{margin:0;font-size:17px;line-height:1.7;color:#424a4b}

.process-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.3)}
.process-steps li{padding:28px 20px 32px 0;border-right:1px solid rgba(255,255,255,.14)}
.process-steps li+li{padding-left:20px}
.process-steps li:last-child{border-right:0}
.process-steps span{display:block;margin-bottom:16px;font-size:13px;font-weight:700;letter-spacing:.06em;color:#adbbbb}
.process-steps strong{font-size:22px;font-weight:500;letter-spacing:-.03em;word-break:keep-all}

.record-list{list-style:none;margin:0 0 40px;padding:0;border-top:1px solid var(--ink)}
.record-list li{display:grid;grid-template-columns:minmax(0,1fr) 200px 150px;gap:24px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line)}
.record-list strong{font-size:18px;font-weight:600;line-height:1.55;letter-spacing:-.02em;word-break:keep-all}
.record-list span,.record-list time{font-size:15px;color:var(--muted)}

.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink)}
.related-grid a{position:relative;display:block;padding:32px 56px 36px 0;border-bottom:1px solid var(--line);transition:background .25s,padding .25s}
.related-grid a:nth-child(odd){border-right:1px solid var(--line)}
.related-grid a:nth-child(even){padding-left:32px}
.related-grid a:hover strong{color:#8b4320}
.related-grid strong{display:block;margin:10px 0 12px;font-size:26px;font-weight:600;letter-spacing:-.03em;transition:color .25s}
.related-grid p{margin:0;font-size:16px;line-height:1.7;color:#424a4b;text-align:left}
.related-grid b{position:absolute;top:32px;right:24px;font-size:22px;font-weight:400}

.sub-page .contact{background:#e4e5df}

/* About: company facts, history timeline, licences, location. */
.fact-list{margin:40px 0 0;border-top:1px solid var(--ink)}
.fact-list>div{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.fact-list dt{font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--muted)}
.fact-list dd{margin:0;font-size:17px;line-height:1.6;color:var(--ink);word-break:keep-all}
.fact-list a{border-bottom:1px solid currentColor}
.motto{display:flex;flex-wrap:wrap;gap:8px 28px}
.motto span{font-size:18px;font-weight:600;letter-spacing:.04em}
.motto small{margin-left:8px;font-size:14px;font-weight:400;letter-spacing:0;color:var(--muted)}
.timeline{margin-top:40px;border-top:1px solid var(--ink)}
.timeline>section{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.timeline h3{margin:0;font-size:20px;font-weight:600;letter-spacing:-.02em;color:#8b4320}
.timeline ol{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.timeline li{display:grid;grid-template-columns:88px minmax(0,1fr);gap:16px;font-size:17px;line-height:1.6;word-break:keep-all}
.timeline time{font-variant-numeric:tabular-nums;font-weight:600;color:var(--muted)}
.sub-body .note-small{margin-top:20px;font-size:14px;color:var(--muted)}
.license-table{margin-top:40px;border-top:1px solid var(--ink)}
.license-head,.license-group>div{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1.2fr) minmax(0,1fr) 150px;gap:20px;align-items:baseline}
.license-head{padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--muted)}
.license-group{border-bottom:1px solid var(--line);padding:8px 0 12px}
.sub-body .license-cat{margin:12px 0 4px;font-size:13px;font-weight:700;letter-spacing:.06em;color:#8b4320}
.license-group>div{padding:10px 0}
.license-group strong{font-size:17px;font-weight:600;word-break:keep-all}
.license-group strong small{display:block;margin-top:2px;font-size:14px;font-weight:400;color:var(--muted)}
.license-group span{font-size:15px;color:#424a4b;font-variant-numeric:tabular-nums;word-break:keep-all}
.map-placeholder{display:grid;place-items:center;height:320px;background:repeating-linear-gradient(135deg,#e6e4de 0 14px,#ebe9e3 14px 28px);border:1px solid var(--line)}
.map-placeholder span{font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--muted)}
#location .fact-list{margin-top:32px}

/* Services overview: five field rows. */
.sub-section#fields{grid-template-columns:1fr}
.field-list{border-top:1px solid var(--ink)}
.field-list a{position:relative;display:grid;grid-template-columns:56px minmax(0,.9fr) minmax(0,1.3fr) minmax(0,1fr) 24px;grid-template-rows:auto auto;column-gap:24px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line);transition:background .25s,padding .25s}
.field-list a:hover{background:#e6e4de;padding-left:16px;padding-right:16px}
.field-list a:hover strong{color:#8b4320}
.field-list .index{grid-row:1 / 3}
.field-list .kicker{grid-column:2;grid-row:1}
.field-list strong{grid-column:2;grid-row:2;font-size:28px;font-weight:600;letter-spacing:-.03em;transition:color .25s}
.field-list p{grid-column:3;grid-row:1 / 3;margin:0;font-size:17px;line-height:1.7;color:#424a4b;word-break:keep-all}
.field-list em{grid-column:4;grid-row:1 / 3;font-style:normal;font-size:14px;line-height:1.65;color:var(--muted);word-break:keep-all}
.field-list b{grid-column:5;grid-row:1 / 3;font-size:22px;font-weight:400}
.sub-body .on-dark{color:rgba(255,255,255,.75);margin-bottom:36px}

/* Projects: featured cards with an image, then the rest as a list. */
.sub-heading-field{margin:16px 0 0;font-size:14px;color:var(--muted)}
.feature-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:32px 0 40px}
.feature-card{display:flex;flex-direction:column;gap:8px}
.feature-card strong{margin-top:6px;font-size:17px;font-weight:600;line-height:1.5;letter-spacing:-.02em;word-break:keep-all}
.feature-card>span{font-size:14px;color:var(--muted)}
.feature-image{aspect-ratio:16/10;background:#d9d6ce center/cover no-repeat;overflow:hidden}
.feature-image.is-pending{display:grid;place-items:center;font-size:13px;letter-spacing:.06em;color:var(--muted);background-color:#e6e3dc}
.sub-section-alt .feature-image.is-pending{background-color:#eeece6}

/* News board: title-only head, tab bar, rows that open in place, pager. */
.sub-kv-plain .sub-kv-head{padding-bottom:72px}
.board-tabs{position:sticky;top:var(--tabs-top,var(--header-h));z-index:9;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);transition:top .3s ease}
.board-tabs .sub-tabs-inner{gap:40px}
.board-tabs button{display:flex;align-items:center;padding:0;margin-bottom:-1px;background:none;border:0;border-bottom:2px solid transparent;font:inherit;font-size:15px;font-weight:500;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s}
.board-tabs button:hover{color:var(--ink)}
.board-tabs button.is-current{color:var(--logo-navy);border-bottom-color:var(--logo-navy);font-weight:600}
.board-section{border-top:0}
.board-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--ink)}
.board-list>li{border-bottom:1px solid var(--line)}
.board-list>li.board-head{display:grid;grid-template-columns:72px minmax(0,1fr) 96px 20px;gap:20px;padding:12px 0;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.board-head span:last-child{text-align:right}
.board-row{width:100%;display:grid;grid-template-columns:72px minmax(0,1fr) 96px 20px;gap:20px;align-items:baseline;padding:22px 0;background:none;border:0;font:inherit;color:inherit;text-align:left;cursor:pointer}
.board-row:hover strong,.board-row[aria-expanded="true"] strong{color:#8b4320}
.board-tag{justify-self:start;padding:3px 8px;border:1px solid var(--line);font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--muted);white-space:nowrap}
.board-row strong{min-width:0;font-size:17px;font-weight:600;line-height:1.55;letter-spacing:-.02em;word-break:keep-all;overflow-wrap:anywhere;transition:color .2s}
.board-row time{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.board-row b{font-size:20px;font-weight:300;line-height:1;transition:transform .25s}
.board-row[aria-expanded="true"] b{transform:rotate(45deg)}
.board-body{margin:0 0 0 92px;padding:4px 100px 26px 0}
.sub-body .board-body p{margin:0 0 6px;font-size:16px;line-height:1.75;color:#424a4b}
.board-pager{display:flex;justify-content:center;gap:6px;margin-top:40px}
.board-pager button{min-width:40px;height:40px;padding:0 8px;background:none;border:1px solid transparent;font:inherit;font-size:15px;color:var(--muted);cursor:pointer;font-variant-numeric:tabular-nums}
.board-pager button:hover:not(:disabled){color:var(--ink);border-color:var(--line)}
.board-pager button[aria-current="page"]{color:#fff;background:var(--logo-navy);border-color:var(--logo-navy);font-weight:600}
.board-pager button:disabled{opacity:.3;cursor:default}

/* Desktop motion: KV fills the screen and the image window opens. */
.sub-motion .sub-kv{height:100vh;overflow:hidden}
.sub-motion .sub-kv-head{position:relative;z-index:1}
.sub-motion .sub-kv-media{position:absolute;inset:0;height:auto;max-height:none;z-index:2;will-change:clip-path}

@media(max-width:1023px){
 .sub-page{--header-h:66px}
 .sub-section{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:96px;padding-bottom:96px}
 .process-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .process-steps li:nth-child(2){border-right:0}
 .process-steps li:nth-child(3){padding-left:0}
 .process-steps li:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
 .record-list li{grid-template-columns:minmax(0,1fr) 180px;row-gap:8px}
 .record-list time{grid-column:2}
}
@media(max-width:767px){
 .sub-page{--header-h:72px;--tabs-h:52px}
 .sub-kv-head{padding-top:128px;padding-bottom:40px}
 .sub-kv h1{font-size:clamp(44px,12vw,64px)}
 .sub-kv-media{height:auto;min-height:0;aspect-ratio:4/5;max-height:none}
 .sub-kv-copy{padding-bottom:32px}.sub-kv-copy p{font-size:19px}
 .sub-tabs-inner{gap:28px}.sub-tabs a{font-size:14px}
 .sub-section{padding-top:72px;padding-bottom:72px;gap:32px}
 .sub-body p{font-size:16px}
 .scope-list li{grid-template-columns:36px minmax(0,1fr);row-gap:8px;padding:24px 0}
 .scope-list p{grid-column:2;font-size:16px}.scope-list h3{font-size:22px}
 .process-steps{grid-template-columns:1fr}
 .process-steps li,.process-steps li+li{padding:20px 0;border-right:0;border-top:1px solid rgba(255,255,255,.14)}
 .process-steps li:first-child{border-top:0}
 .record-list li{grid-template-columns:1fr}.record-list time{grid-column:auto}
 .record-list strong{font-size:17px}
 .related-grid{grid-template-columns:1fr}
 .feature-cards{grid-template-columns:1fr;gap:28px}
 .related-grid a,.related-grid a:nth-child(even){padding:28px 48px 28px 0;border-right:0}
 .related-grid b{right:4px;top:28px}
 .fact-list>div,.timeline>section{grid-template-columns:1fr;gap:6px}
 .timeline>section{gap:16px}
 .timeline li{grid-template-columns:72px minmax(0,1fr);gap:12px;font-size:16px}
 .license-head{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap}
 .license-group>div{grid-template-columns:1fr;gap:2px;padding:12px 0}
 .license-group>div+div{border-top:1px dashed var(--line)}
 .map-placeholder{height:220px}
 .board-row{grid-template-columns:minmax(0,1fr) 20px;gap:6px 12px;padding:18px 0}
 .board-list>li.board-head{grid-template-columns:minmax(0,1fr) auto;padding:10px 0}.board-head span:first-child{display:none}.board-head span:nth-child(2){display:none}.board-head span:last-child{grid-column:2}
 .board-tag{grid-column:1}.board-row strong{grid-column:1;font-size:16px}.board-row time{grid-column:1;text-align:left}
 .board-row b{grid-column:2;grid-row:1 / 4;align-self:center}
 .board-body{margin:0;padding:0 0 20px}
 .board-pager button{min-width:34px;height:36px}
 .field-list a,.field-list a:hover{grid-template-columns:32px minmax(0,1fr) 20px;row-gap:6px;padding:24px 0}
 .field-list .kicker,.field-list strong,.field-list p,.field-list em{grid-column:2;grid-row:auto}
 .field-list .index{grid-row:1 / 5}.field-list b{grid-column:3;grid-row:1 / 5}
 .field-list strong{font-size:24px}.field-list p{font-size:16px}
}

/* 2026-10-08: project page groups (도시계획·도시개발 안의 도시계획/도시개발/도시재생 소제목). Anchors land below header + tabs. */
.sub-section,.project-group{scroll-margin-top:calc(var(--header-h,78px) + var(--tabs-h,60px) + 16px)}
.project-group+.project-group{margin-top:64px}
.project-group-title{display:flex;align-items:baseline;gap:14px;margin:8px 0 0;font-size:24px;font-weight:600;letter-spacing:-.03em;color:var(--ink)}
.project-group-title small{font-size:12px;font-weight:700;letter-spacing:.12em;color:#8b4320}
.project-group .feature-cards{margin-top:24px}
.project-group .record-list{margin-top:24px}

/* 2026-10-08 (owner choice C): section tabs larger and darker; current = bold navy + 3px line. */
.sub-page{--tabs-h:68px}
.sub-tabs-inner{gap:52px}
.sub-tabs a{font-size:17px;font-weight:500;color:#424a4b;letter-spacing:-.02em;border-bottom-width:3px}
.sub-tabs a.is-current{font-weight:700;color:var(--logo-navy)}
@media(max-width:850px){.sub-page{--tabs-h:56px}.sub-tabs-inner{gap:28px}.sub-tabs a{font-size:15px}}

/* English titles: 64px fixed on desktop; tablet grows up to 64px so 1024px does not jump. Korean size unchanged. */
@media(min-width:768px){
 .sub-kv h1>.sub-title-en{display:block;font-size:min(1em,64px)}
}