/* AUCTION / PROJECT REPORT design system — stone gray / carbon black / bright orange */
:root{--bg:#DDE1D8;--bg2:#DDE1D8;--paper:#F2F3EE;--ink:#20231F;--char:#20231F;--or:#C2502C;--or-d:#A8431F;--or-l:#F08A66;--burg:#A8431F;--burg-d:#8A3517;--gold:#C2502C;--line:rgba(32,35,31,.18);--muted:#454A43;--on-dark:#F2F3EE}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",system-ui,sans-serif;font-size:17px;line-height:1.75;word-break:keep-all;overflow-wrap:anywhere;max-width:100%;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--burg);text-underline-offset:3px}
a:hover{color:var(--burg-d)}
:focus-visible{outline:3px solid var(--burg);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.lab{font-family:"Helvetica Neue",Arial,sans-serif;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--burg);margin:0 0 10px}
.lab i{font-style:normal;color:var(--gold);margin:0 .4em}

/* header */
.hd{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--ink)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.brand{font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em;white-space:nowrap}
.brand b{color:var(--burg)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-size:.95rem;font-weight:600;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{border-bottom-color:var(--burg);color:var(--burg)}
.nav a.cta{background:var(--or);color:var(--ink);padding:9px 18px;border:0}
.nav a.cta:hover{background:var(--or-d);color:var(--ink)}
.mnav{display:none}
@media(max-width:860px){
 .nav{display:none}
 .mnav{display:block;position:relative}
 .mnav summary{list-style:none;cursor:pointer;min-height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;font-weight:700;border:1px solid var(--ink);padding:0 14px}
 .mnav summary::-webkit-details-marker{display:none}
 .mnav .panel{position:absolute;right:0;top:52px;width:min(78vw,300px);background:var(--bg);border:1px solid var(--ink);display:grid}
 .mnav .panel a{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600;min-height:48px}
 .mnav .panel a.cta{background:var(--or);color:var(--ink);border:0}
}
.crumb{font-size:.84rem;color:var(--muted);padding:14px 24px 0}
.crumb a{color:var(--muted)}

/* hero */
.hero{padding:44px 0 52px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(2.3rem,6.2vw,4.6rem);line-height:1.08;letter-spacing:-.045em;font-weight:900;margin:0 0 20px}
.hero p.lead{font-size:1.1rem;color:var(--char);margin:0 0 26px;max-width:36em}
.hero .ph{position:relative}
.hero .ph img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero .ph:before{content:"";position:absolute;left:-10px;top:-10px;width:56px;height:56px;border-left:2px solid var(--gold);border-top:2px solid var(--gold)}
.hero .ph figcaption{font-family:"Helvetica Neue",Arial,sans-serif;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.checks{display:flex;flex-wrap:wrap;gap:0;margin:26px 0 0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.checks li{flex:1 1 30%;padding:12px 12px 0 0;font-size:.9rem;font-weight:700;line-height:1.4}
.checks li small{display:block;font-family:"Helvetica Neue",Arial,sans-serif;font-size:.7rem;letter-spacing:.14em;color:var(--burg)}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:28px}.hero{padding:28px 0 36px}.checks{flex-direction:column}.checks li{padding:10px 0;border-bottom:1px solid var(--line)}}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;background:var(--or);color:var(--ink);text-decoration:none;font-weight:800;border:2px solid var(--or);font-size:1rem}
.btn:hover{background:var(--or-d);border-color:var(--or-d);color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* sections */
.sec{padding:56px 0;border-top:1px solid var(--ink);position:relative}
.sec:before{content:"";position:absolute;left:24px;top:-2px;width:72px;height:3px;background:var(--gold)}
.sec.alt{background:var(--bg2)}
.sec.dark{background:var(--char);color:var(--on-dark);border-top-color:var(--char)}
.sec.dark .lab{color:var(--or)}
.sec.dark a{color:#FF8A57}
.sec h2{font-size:clamp(1.6rem,3.6vw,2.4rem);line-height:1.25;letter-spacing:-.03em;font-weight:800;margin:0 0 24px;max-width:22em}
.sec h3{font-size:1.2rem;line-height:1.4;margin:28px 0 8px;letter-spacing:-.02em}
.sec p{margin:0 0 14px;max-width:44em}
.sec.dark p{color:var(--on-dark)}
.sec ul.cl{list-style:none;margin:16px 0;padding:0;display:grid;gap:0;max-width:46em}
.sec ul.cl li{position:relative;padding:12px 0 12px 30px;border-bottom:1px solid var(--line)}
.sec ul.cl li:before{content:"";position:absolute;left:0;top:20px;width:12px;height:12px;background:var(--or)}
.sec.dark ul.cl li{border-color:#4a4542}
.sec.dark ul.cl li:before{background:var(--gold)}
ol.road{list-style:none;counter-reset:s;margin:20px 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:0;border-top:2px solid var(--ink)}
ol.road li{counter-increment:s;padding:16px 16px 16px 0;border-bottom:1px solid var(--line);font-size:.97rem}
ol.road li:before{content:counter(s,decimal-leading-zero);display:block;font-family:"Helvetica Neue",Arial,sans-serif;font-weight:800;font-size:1.5rem;color:var(--burg);letter-spacing:-.02em}
.sec.dark ol.road{border-top-color:var(--gold)}
.sec.dark ol.road li{border-color:#4a4542}
.sec.dark ol.road li:before{color:var(--gold)}

/* photos */
.shots{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.shots.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.shots figure{margin:0;min-width:0}
.shots img{width:100%;aspect-ratio:1/1;object-fit:cover;background:var(--bg2)}
.shots.sq img{aspect-ratio:1/1}
.shots figcaption{font-size:.82rem;color:var(--muted);margin-top:6px;line-height:1.4}
@media(max-width:700px){.shots{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}
@media(max-width:359px){.shots,.shots.two{grid-template-columns:1fr}}
.shotsec{padding:36px 0 40px;border-top:1px solid var(--ink)}
.shotsec .lab{margin-bottom:14px}

/* cards (straight panels) */
.grid{display:grid;gap:0;border-top:1px solid var(--ink);border-left:1px solid var(--line)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g6{grid-template-columns:repeat(3,minmax(0,1fr))}
.cell{padding:22px 22px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0}
.cell .n{font-family:"Helvetica Neue",Arial,sans-serif;font-weight:800;color:var(--burg);font-size:.82rem;letter-spacing:.14em}
.cell h3{margin:6px 0 6px;font-size:1.12rem}
.cell p{font-size:.95rem;margin:0;color:var(--char)}
.cell a.more{display:inline-block;margin-top:10px;font-weight:700;font-size:.92rem}
@media(max-width:860px){.g3,.g4,.g6{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.g2,.g3,.g4,.g6{grid-template-columns:1fr}.cell{padding:18px 4px 20px 16px}}
.pri{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:2px solid var(--ink)}
.pri div{padding:20px 20px 22px 0;border-bottom:1px solid var(--line)}
.pri div+div{padding-left:20px;border-left:1px solid var(--line)}
.pri b{display:block;font-family:"Helvetica Neue",Arial,sans-serif;letter-spacing:.14em;color:var(--burg);font-size:.8rem;margin-bottom:6px}
.pri strong{display:block;font-size:1.1rem;margin-bottom:6px}
.pri span{font-size:.94rem;display:block}
@media(max-width:700px){.pri{grid-template-columns:1fr}.pri div+div{padding-left:0;border-left:0}}
.sec.dark .pri,.sec.dark .grid{border-color:var(--gold)}
.sec.dark .cell,.sec.dark .pri div{border-color:#4a4542;background:transparent}
.sec.dark .cell p,.sec.dark .pri span{color:var(--on-dark)}
.sec.dark .cell .n,.sec.dark .pri b{color:var(--gold)}
.point{border-left:4px solid var(--or);background:var(--bg2);padding:18px 22px;margin:22px 0;max-width:46em}
.point b{display:block;font-family:"Helvetica Neue",Arial,sans-serif;font-size:.76rem;letter-spacing:.16em;color:var(--burg);margin-bottom:4px}
.point p{margin:0}

/* tables: stack on mobile, never scroll sideways */
.tw{margin:20px 0;max-width:100%}
table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:.95rem}
caption{text-align:left;font-weight:800;padding:0 0 10px;font-size:1rem}
th{background:var(--char);color:#fff;text-align:left;padding:10px 12px;font-weight:700;vertical-align:top}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;background:transparent}
tbody tr:first-child td{border-top:0}
td:first-child{font-weight:700}
@media(max-width:640px){
 table,thead,tbody,tr,th,td{display:block;width:100%}
 thead{position:absolute;left:-9999px}
 tr{border:1px solid var(--line);margin-bottom:12px;background:var(--bg)}
 td{border:0;border-bottom:1px solid var(--line);padding:9px 12px}
 td:before{content:attr(data-l);display:block;font-size:.75rem;letter-spacing:.06em;color:var(--burg);font-weight:800}
 td:last-child{border-bottom:0}
}

/* before/after */
.ba{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0 8px}
.ba figure{margin:0}
.ba img{width:100%;aspect-ratio:450/506;object-fit:cover}
.ba figcaption{font-family:"Helvetica Neue",Arial,sans-serif;font-size:.78rem;letter-spacing:.16em;font-weight:800;margin-top:6px}
.ba .b figcaption{color:var(--muted)}.ba .a figcaption{color:var(--burg)}
@media(max-width:480px){.ba{grid-template-columns:1fr}.ba img{aspect-ratio:4/3}}
.proj{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:28px 0;border-bottom:1px solid var(--line)}
.proj dl{margin:0;display:grid;grid-template-columns:7em 1fr;gap:8px 12px;font-size:.95rem}
.proj dt{font-weight:800;color:var(--burg)}.proj dd{margin:0}
@media(max-width:860px){.proj{grid-template-columns:1fr;gap:18px}}

/* faq */
details.q{border-top:1px solid var(--ink);padding:0}
details.q:last-of-type{border-bottom:1px solid var(--ink)}
details.q summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:700;font-size:1.04rem;position:relative;min-height:52px;line-height:1.5}
details.q summary::-webkit-details-marker{display:none}
details.q summary:after{content:"+";position:absolute;right:6px;top:12px;font-size:1.5rem;color:var(--burg);font-weight:400}
details.q[open] summary:after{content:"\2212"}
details.q p{margin:0 0 18px;max-width:44em}

/* index lists */
.idx{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px;list-style:none;margin:0;padding:0}
.idx li{border-bottom:1px solid var(--line)}
.idx a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;color:var(--ink);text-decoration:none;font-weight:600;min-height:48px;align-items:center}
.idx a:after{content:"\2192";color:var(--burg)}
.idx a:hover{color:var(--burg)}
@media(max-width:860px){.idx{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.idx{grid-template-columns:1fr}}
.rel{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--ink)}
.rel a{padding:14px 14px 16px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:700;font-size:.95rem;line-height:1.4;display:block}
.rel a small{display:block;font-family:"Helvetica Neue",Arial,sans-serif;font-size:.68rem;letter-spacing:.14em;color:var(--burg);margin-bottom:4px}
.rel a:hover{color:var(--burg)}
@media(max-width:860px){.rel{grid-template-columns:repeat(2,minmax(0,1fr))}.rel a{padding-right:10px}}
@media(max-width:480px){.rel{grid-template-columns:1fr}}
.reg h3{font-family:"Helvetica Neue",Arial,sans-serif;letter-spacing:.14em;color:var(--burg);font-size:.95rem;margin:30px 0 4px}

/* cta */
.cta-band{background:var(--or);color:var(--ink);padding:52px 0}
.cta-band h2{color:var(--ink);font-size:clamp(1.5rem,3.4vw,2.2rem);margin:0 0 12px;font-weight:800;letter-spacing:-.03em;max-width:20em}
.cta-band p{margin:0 0 22px;max-width:40em;color:var(--ink)}
.cta-band .btn{background:var(--ink);color:#fff;border-color:var(--ink)}
.cta-band .btn:hover{background:var(--char);color:#fff}
.cta-band .btn.ghost{background:transparent;color:var(--ink)}
.cta-band .btn.ghost:hover{background:var(--ink);color:#fff}

/* footer */
.ft{background:var(--char);color:var(--on-dark);padding:44px 0 28px;border-top:3px solid var(--or);font-size:.9rem}
.ft a{color:var(--on-dark);text-decoration:none}.ft a:hover{color:var(--or)}
.ft .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.ft h4{font-family:"Helvetica Neue",Arial,sans-serif;font-size:.74rem;letter-spacing:.16em;color:var(--or);margin:0 0 10px}
.ft ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.ft li a{display:block;padding:5px 0;min-height:32px}
.ft .biz{font-size:.86rem;line-height:1.8;color:#cfc8bc}
.ft .biz b{color:#fff}
.ft .copy{margin-top:26px;padding-top:16px;border-top:1px solid #4a4542;color:#a79f93;font-size:.8rem}
@media(max-width:860px){.ft .cols{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.ft .cols{grid-template-columns:1fr}}
.upd{font-size:.86rem;color:var(--muted);margin-top:28px}
.sr{position:absolute;left:-9999px}
.hero h1.long{font-size:clamp(1.8rem,4vw,3rem)}
.hero h1{font-size:clamp(2rem,4.8vw,3.4rem)}
.cell img{width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:12px}
.cell .idx{grid-template-columns:1fr;margin-top:10px}
.cell .idx a{font-size:.95rem;min-height:44px}

.cell{background:var(--paper)}
.sec.dark .cell{background:transparent}
.hero .tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:10px 0 0;padding:0}
.hero .tags li{font-family:"Helvetica Neue",Arial,sans-serif;font-size:.72rem;letter-spacing:.12em;font-weight:700;background:var(--ink);color:#fff;padding:5px 9px}
.hero .tags li:first-child{background:var(--or);color:var(--ink)}
.lab{color:var(--burg)}
.sec.dark .cell .n,.sec.dark .pri b{color:var(--or)}
.sec.dark ol.road li:before{color:var(--or)}
.sec.dark ol.road{border-top-color:var(--or)}
.sec.dark ul.cl li:before{background:var(--or)}
@media(max-width:560px){.checks li{flex:1 1 45%}}

/* ---- V3: cool sage gray base ---- */
html,body,main{background:#DDE1D8;color:#20231F}
.sec.alt{background:#DDE1D8}
.hd{background:#DDE1D8}
.nav a.cta,.mnav .panel a.cta{background:var(--or);color:#fff}
.nav a.cta:hover{background:var(--or-d);color:#fff}
.btn{background:var(--or);border-color:var(--or);color:#fff}
.btn:hover{background:var(--or-d);border-color:var(--or-d);color:#fff}
.btn.ghost{background:transparent;color:#20231F;border-color:#20231F}
.btn.ghost:hover{background:#20231F;color:#F2F3EE}
.hero .tags li{background:#20231F;color:#F2F3EE}
.hero .tags li:first-child{background:var(--or);color:#fff}
.cell{background:#F2F3EE;border-color:rgba(32,35,31,.18)}
.grid{border-left-color:rgba(32,35,31,.18)}
.point{background:#F2F3EE}
.tw table td{background:#F2F3EE}
.sec.dark .cell{background:transparent}
.sec.dark .lab,.sec.dark .cell .n,.sec.dark .pri b,.sec.dark ol.road li:before{color:var(--or-l)}
.sec.dark ol.road,.sec.dark .pri,.sec.dark .grid{border-top-color:var(--or-l)}
.sec.dark ul.cl li:before{background:var(--or-l)}
.sec.dark a{color:var(--or-l)}
.cta-band{background:#20231F;color:#F2F3EE}
.cta-band h2{color:#F2F3EE}
.cta-band p{color:#DDE1D8}
.cta-band .btn{background:var(--or);color:#fff;border-color:var(--or)}
.cta-band .btn:hover{background:var(--or-d);border-color:var(--or-d);color:#fff}
.cta-band .btn.ghost{background:transparent;color:#F2F3EE;border-color:#F2F3EE}
.cta-band .btn.ghost:hover{background:#F2F3EE;color:#20231F}
.ft{background:#20231F;border-top-color:var(--or)}
.ft h4{color:var(--or-l)}
.ft a:hover{color:var(--or-l)}
.ft .copy{border-top-color:#454A43}
.shots img,.cell img,.ba img{background:#F2F3EE}
details.q{border-top-color:#20231F}
@media(max-width:640px){tr{background:#F2F3EE}}
@media(max-width:860px){.mnav .panel{background:#DDE1D8}}