:root{--paper:#fff;--ink:#111211;--mist:#f3f3ef;--soft:#dcdcd6;--muted:#62665f;--body:#2a2b28;--lime:#d8ff43;
--display:"Noto Sans KR",-apple-system,"Apple SD Gothic Neo",sans-serif;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--display);font-weight:400;line-height:1.6;word-break:keep-all;overflow-wrap:break-word;overflow-x:hidden}
a{color:inherit}img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:20px}@media(min-width:768px){.wrap{padding-inline:40px}}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--muted)}
h1,h2,h3{margin:0;letter-spacing:-.035em;font-weight:900;text-wrap:balance}
h2{font-size:clamp(26px,3.6vw,44px);line-height:1.1}
/* header */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--soft)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.brand{font-weight:900;font-size:25px;letter-spacing:-.035em;text-decoration:none;line-height:1}
.nav{display:flex;gap:30px;font-weight:700;font-size:17px;letter-spacing:-.015em}.nav a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}.nav a:hover{border-bottom-color:var(--lime)}
.acts{display:flex;gap:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:11px 16px;font-weight:700;font-size:15px;letter-spacing:-.01em;text-decoration:none;border:1.5px solid var(--ink);background:var(--paper);white-space:nowrap}
.btn.lime{background:var(--lime);border-color:var(--lime)}.btn.big{padding:14px 22px;font-size:16px}
@media(max-width:860px){.top{position:static;backdrop-filter:none}.top .wrap{flex-wrap:wrap;padding-block:12px 10px;gap:10px 18px}.brand{font-size:23px}.nav{order:3;width:100%;gap:22px;font-size:15px;padding-top:2px}.acts{order:2;width:100%}.acts .btn{flex:1;justify-content:center;padding:11px 8px;font-size:14px}}
/* hero */
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding-block:48px 40px}
h1{font-size:clamp(38px,5.2vw,72px);line-height:1;letter-spacing:-.045em}
.promise{font-size:18px;color:var(--body);max-width:44ch;margin:22px 0 0}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.since{margin-top:26px;font-size:14.5px;color:var(--muted);max-width:44ch}.since b{color:var(--ink);font-weight:700}
.photo{position:relative;min-height:420px;height:100%;max-height:640px;overflow:hidden;background:var(--mist)}
.photo img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.photo figcaption{position:absolute;left:0;bottom:0;background:var(--ink);color:var(--paper);font-size:13px;font-weight:700;padding:7px 12px}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:22px;padding-block:20px 28px}.photo{order:-1;min-height:260px;max-height:340px}h1{font-size:clamp(34px,9vw,56px)}}
/* orgs (CI row) */
.orgs{background:var(--mist);padding:26px 0 28px}
.orgs .eyebrow{display:block;margin-bottom:14px}
.cis{display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px;margin:0;padding:0;list-style:none}
.cis li{display:flex;align-items:center;font-size:clamp(17px,2vw,21px);font-weight:700;letter-spacing:-.02em}
.cis li img{height:31px;width:auto;max-width:230px;object-fit:contain}.cis li img[alt="대구광역시 달서구"]{height:33px}.cis li img[alt="대구광역시"]{height:30px}.cis li img[alt="대구광역시 수성구"]{height:23px}.cis li img[alt="포스코노동조합"]{height:33px}.cis li img[alt="대구광역시 북구"]{height:35px}.cis li small{font-size:12px}.cis li small{font-size:13px;color:var(--muted);font-weight:700;margin-left:6px}
@media(max-width:600px){.cis li img{height:32px;max-width:170px}}
/* answers */
.answers{padding:54px 0 20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:8px}
.grid3>div{border-top:2px solid var(--ink);padding-top:16px}
.grid3 .q{display:block;font-size:15px;font-weight:700;color:var(--muted);margin-bottom:10px}.grid3 b{display:block;font-size:22px;font-weight:900;letter-spacing:-.02em;margin:0 0 10px;line-height:1.25}.grid3 p{margin:0;font-size:15px;color:var(--body)}
@media(max-width:760px){.grid3{grid-template-columns:1fr;gap:22px}}
/* gallery */
.gallery{padding:50px 0 30px}
.ghead{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px}
.ghead a{font-weight:700;text-decoration:none;border-bottom:2px solid var(--lime)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px 18px;margin-top:26px}
.cards figure{margin:0}.cards .ph{aspect-ratio:4/3;overflow:hidden;background:var(--mist)}.cards img{width:100%;height:100%;object-fit:cover}
.cards figcaption{margin-top:10px;font-size:14px;line-height:1.45}.cards figcaption b{display:block;font-weight:700}.cards figcaption span{color:var(--muted)}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}}
/* docs + steps */
.docs{background:var(--mist);padding:54px 0}
.docs .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:26px}
.docs .grid4>div{background:var(--paper);padding:20px 20px 22px}.docs b{display:block;font-size:17px;font-weight:900;margin-bottom:8px}.docs p{margin:0;font-size:14.5px;color:var(--body)}
@media(max-width:900px){.docs .grid4{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.docs .grid4{grid-template-columns:1fr}}
.steps{padding:54px 0 10px}
.steps ol{list-style:none;margin:26px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.steps li{border-top:2px solid var(--ink);padding-top:14px}.steps li b{display:block;font-size:19px;font-weight:900;letter-spacing:-.02em}.steps li small{display:block;color:var(--muted);font-size:13px;font-weight:700;margin-bottom:6px}.steps li p{margin:6px 0 0;font-size:14.5px;color:var(--body)}
@media(max-width:760px){.steps ol{grid-template-columns:1fr;gap:18px}}
/* contact */
.contact{padding:54px 0 64px}
.contact .lead{font-size:16px;color:var(--body);max-width:48ch;margin:12px 0 0}
.cgrid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:start;margin-top:8px}@media(max-width:820px){.cgrid{grid-template-columns:1fr}}
.four{margin:18px 0 0;padding:0;list-style:none}.four li{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:11px 0;border-bottom:1px solid var(--soft);font-weight:500}.four li b{font-weight:900}
.cbox{background:var(--mist);padding:24px}.cbox .row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--soft)}.cbox .row:last-child{border-bottom:0}.cbox .row span{color:var(--muted);font-size:14px}.cbox .row a{font-weight:900;text-decoration:none;font-size:17px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.badges span{border:1px solid var(--soft);padding:7px 11px;font-weight:700;font-size:13px;background:var(--paper)}
.legal{font-size:12.5px;color:var(--muted);margin-top:12px;max-width:80ch}
footer{border-top:1px solid var(--soft);padding:22px 0 44px;font-size:13px;color:var(--muted)}footer .wrap{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ===== portfolio index + case pages (v9 tone) ===== */
.pf-hero{padding:44px 0 26px}.pf-hero h1{font-size:clamp(32px,4.6vw,58px);line-height:1.06;letter-spacing:-.04em;max-width:18ch}.pf-hero .lead{font-size:17px;color:var(--body);max-width:52ch;margin-top:16px}
.pf-list{display:grid;grid-template-columns:repeat(2,1fr);gap:40px 28px;padding:10px 0 60px}
.pf-card{display:block;text-decoration:none}.pf-card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--mist)}.pf-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.pf-card:hover img{transform:scale(1.02)}
.pf-card .meta{display:flex;gap:12px;align-items:baseline;margin-top:14px;font-size:13.5px;color:var(--muted);font-weight:700}.pf-card .gallery-no{font-weight:900;color:var(--ink)}
.pf-card h2{font-size:clamp(20px,2.2vw,26px);line-height:1.2;margin-top:6px}.pf-card p{margin:8px 0 0;font-size:15px;color:var(--body);max-width:44ch}
@media(max-width:760px){.pf-list{grid-template-columns:1fr;gap:34px}}
.back{display:inline-block;margin:22px 0 6px;font-weight:700;font-size:14px;text-decoration:none;color:var(--muted)}.back:hover{color:var(--ink)}
.case-hero{padding:10px 0 26px;border-bottom:1px solid var(--soft)}.case-hero h1{font-size:clamp(32px,4.8vw,60px);line-height:1.06;letter-spacing:-.04em;max-width:20ch}.case-hero .sub{font-size:17px;color:var(--body);max-width:56ch;margin-top:16px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 26px;padding:22px 0;border-bottom:1px solid var(--soft)}.facts div .k{font-size:12.5px;font-weight:700;color:var(--muted)}.facts div .v{font-size:16px;font-weight:700;margin-top:4px;line-height:1.35}
@media(max-width:820px){.facts{grid-template-columns:repeat(2,1fr)}}
.case-body{padding:34px 0 20px}.case-body h2{font-size:clamp(24px,3vw,36px);margin:44px 0 18px}.case-body h2:first-child{margin-top:0}
.photos{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 18px}.photos.one{grid-template-columns:1fr}.photos.three{grid-template-columns:repeat(3,1fr)}
.photos figure,.zoomfig{margin:0}.photos .ph,.zoomfig a{display:block;overflow:hidden;background:var(--mist)}.photos img,.zoomfig img{width:100%;height:auto;display:block}.photos:not(.one) .zoomfig img{aspect-ratio:4/3;object-fit:cover}.proc .photos .zoomfig img{aspect-ratio:auto;object-fit:contain}
.photos figcaption,.zoomfig figcaption{margin-top:9px;font-size:14px;color:var(--body)}.photos figcaption b,.zoomfig figcaption b{font-weight:700;margin-right:6px}.tagk{display:inline-block;font-size:12px;font-weight:700;padding:2px 7px;background:var(--mist);color:var(--muted);margin-right:6px;vertical-align:1px}.tagk.real{background:var(--lime);color:var(--ink)}
@media(max-width:760px){.photos,.photos.three{grid-template-columns:1fr}}
.steps-case{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:22px 30px}.steps-case li{border-top:2px solid var(--ink);padding-top:12px}.steps-case li b{display:block;font-size:18px;font-weight:900;letter-spacing:-.02em}.steps-case li p{margin:6px 0 0;font-size:15px;color:var(--body)}
@media(max-width:760px){.steps-case{grid-template-columns:1fr}}
.proc{margin-top:40px;padding:22px 22px 24px;background:var(--mist)}.proc .eyebrow{display:block;margin-bottom:6px}.proc p.note{margin:0 0 16px;font-size:14.5px;color:var(--body);max-width:60ch}
.closing{margin:40px 0 0;font-size:18px;font-weight:700;max-width:40ch;line-height:1.5}
.next{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:44px;padding:20px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--soft);text-decoration:none}.next .lbl{font-size:13px;font-weight:700;color:var(--muted)}.next .t{font-size:20px;font-weight:900;letter-spacing:-.02em}.next .ar{font-size:24px;font-weight:900}
.case-contact{padding:44px 0 60px}.case-contact h2{font-size:clamp(24px,3vw,36px)}.case-contact p{font-size:16px;color:var(--body);max-width:48ch;margin:12px 0 18px}