/*
Theme Name: aluminumpanel
Description: 알루미늄점검구 — charcoal / off-white editorial
Version: 1.0
*/
:root{--c:#17191B;--w:#F6F5F2;--s:#D8D2CA;--b:#8E725B;--ink:#17191B;--mut:#5d6063;--ln:rgba(23,25,27,.16);--pad:clamp(18px,4vw,56px)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--w);color:var(--ink);font:400 16px/1.75 "Pretendard Variable",Pretendard,-apple-system,"Malgun Gothic",sans-serif;word-break:keep-all;overflow-wrap:break-word;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:inherit}
ul,ol{margin:0;padding:0}
li{list-style:none}
h1,h2,h3{margin:0;line-height:1.25;letter-spacing:-.025em}
.wrap{max-width:1360px;margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-999px;top:0;background:var(--c);color:#fff;padding:10px 14px;z-index:99}.skip:focus{left:0}
:focus-visible{outline:3px solid var(--b);outline-offset:2px}
/* header */
.hd{position:sticky;top:0;z-index:20;background:var(--c);color:var(--w)}
.hd .wrap{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;text-decoration:none;white-space:nowrap}
.logo-m{width:18px;height:18px;border:2px solid var(--w);position:relative;display:inline-block}.logo-m:after{content:"";position:absolute;left:2px;right:2px;bottom:2px;height:5px;background:var(--b)}
.nav{display:flex;gap:28px;margin-left:auto;font-size:15px}
.nav a{text-decoration:none;opacity:.82}.nav a:hover{opacity:1}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;background:var(--b);color:#fff;font-weight:700;font-size:16px;text-decoration:none;border:2px solid var(--b);border-radius:0;white-space:nowrap}
.btn:hover{background:#7a604b;border-color:#7a604b}
.btn.sm{min-height:42px;padding:0 16px;font-size:14px}
.btn.w{background:var(--w);color:var(--c);border-color:var(--w)}.btn.w:hover{background:var(--s);border-color:var(--s)}
.btn.ghost{background:transparent;color:var(--c);border-color:var(--c)}.btn.ghost:hover{background:var(--c);color:var(--w)}
.inq{text-align:center;padding:36px 0}
/* hero */
.hero{position:relative;background:var(--c);color:var(--w);min-height:clamp(520px,82vh,860px);display:flex;align-items:flex-end;overflow:hidden}
.hero picture,.hero img{position:absolute;inset:0;width:100%;height:100%}
.hero img{object-fit:cover;object-position:50% 35%}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,25,27,.15) 0%,rgba(23,25,27,.15) 40%,rgba(23,25,27,.82) 100%)}
.hero-t{position:relative;z-index:2;width:100%;padding-bottom:clamp(36px,7vw,84px)}
.kicker{margin:0 0 14px;font-size:13px;font-weight:600;letter-spacing:.22em;color:var(--s)}
.kicker.d{color:var(--b)}
.hero h1{font-size:clamp(40px,10.5vw,148px);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin-bottom:18px}
.hero-l{margin:0 0 28px;max-width:34em;font-size:clamp(16px,1.6vw,20px);color:#ece9e3}
/* sections */
.sec{padding:clamp(56px,8vw,112px) 0}
.sec.alt{background:#ECEAE5}
.sec.dark{background:var(--c);color:var(--w)}.sec.dark .kicker.d{color:var(--s)}
.sec h2{font-size:clamp(26px,3.6vw,44px);font-weight:800;margin-bottom:14px}
.sub{margin:0 0 32px;max-width:46em;color:var(--mut)}.dark .sub{color:var(--s)}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}.sec-h h2{margin:0}
.more{font-weight:700;text-decoration:none;border-bottom:2px solid var(--b);padding-bottom:2px;white-space:nowrap}
/* photo grids */
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(8px,1.4vw,18px)}
.ph{display:block;aspect-ratio:1/1;overflow:hidden;background:var(--s)}
.ph img{width:100%;height:100%;object-fit:cover}
a.zoom{cursor:zoom-in}
figure{margin:0}
figcaption{margin-top:8px;font-size:14px;color:var(--mut);line-height:1.4}
/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(10px,1.6vw,22px)}
.card{display:block;text-decoration:none;position:relative}
.card .ph{transition:filter .25s}
.card:hover .ph img{transform:scale(1.03)}.card .ph img{transition:transform .5s}
.card-t{display:block;margin-top:12px;font-weight:700;font-size:17px;line-height:1.35;overflow-wrap:anywhere;border-top:2px solid var(--c);padding-top:10px}
.card.is-soon{opacity:.55;cursor:default}.card .soon{display:block;font-size:13px;color:var(--b);font-weight:600;margin-top:2px}
/* carousel */
.car-t{display:flex;gap:clamp(10px,1.6vw,22px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.car-t>li{flex:0 0 calc((100% - 3*clamp(10px,1.6vw,22px))/4);scroll-snap-align:start}
.car-bs{display:flex;gap:8px}
.car-b{width:46px;height:46px;border:2px solid var(--c);background:transparent;font-size:26px;line-height:1;cursor:pointer;color:var(--c)}.car-b:hover{background:var(--c);color:var(--w)}
/* before after */
.ba{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(22px,3vw,44px) clamp(20px,3vw,40px)}
.ba h3{font-size:18px;margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid var(--c)}
.ba-p{display:grid;grid-template-columns:1fr 1fr;gap:8px}
/* process */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,80px);margin-top:28px}.two.top{margin-top:36px}
.two h3{font-size:20px;margin-bottom:14px}
.feat li{padding:16px 0;border-top:1px solid rgba(246,245,242,.25);color:#d9d5ce}.feat b{display:block;color:var(--w);font-size:18px;margin-bottom:4px}
.steps{counter-reset:s}.steps li{counter-increment:s;position:relative;padding:14px 0 14px 54px;border-top:1px solid rgba(246,245,242,.25);color:#d9d5ce}
.steps li:before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:14px;font-weight:800;color:var(--b);font-size:20px}
.steps b{display:block;color:var(--w);font-size:17px}
.alt .two ul li,.two.top ul li{padding:10px 0 10px 18px;border-top:1px solid var(--ln);position:relative}
.two.top ul li:before{content:"";position:absolute;left:0;top:21px;width:8px;height:8px;background:var(--b)}
.rel{margin:36px 0 0;color:var(--mut)}.rel a{font-weight:600}
/* detail */
.dh{background:var(--c);color:var(--w);padding:clamp(36px,6vw,72px) 0 clamp(36px,5vw,64px)}
.dh h1{font-size:clamp(34px,6vw,76px);font-weight:800;margin-bottom:18px;letter-spacing:-.035em}
.dh .lead{margin:0;max-width:44em;font-size:clamp(16px,1.5vw,19px);color:#e4e0d9}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--s);margin-bottom:26px}.crumb a{text-decoration:none}.crumb a:hover{text-decoration:underline}
.contact{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.dh .btn.ghost{color:var(--w);border-color:var(--w)}.dh .btn.ghost:hover{background:var(--w);color:var(--c)}
.top4{padding:clamp(28px,4vw,48px) 0 0}
.prose{max-width:860px;padding:clamp(32px,5vw,64px) 0 clamp(16px,3vw,32px)}
.prose h2{font-size:clamp(23px,2.8vw,32px);margin:clamp(34px,5vw,56px) 0 14px;padding-top:18px;border-top:2px solid var(--c)}.prose section:first-child h2{margin-top:0}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 20px}.prose li{padding:6px 0 6px 20px;position:relative}.prose ul li:before{content:"";position:absolute;left:0;top:17px;width:8px;height:8px;background:var(--b)}
.prose ol{counter-reset:o}.prose ol li{counter-increment:o;padding-left:34px}.prose ol li:before{content:counter(o);position:absolute;left:0;top:6px;font-weight:800;color:var(--b)}
.prose .rows{margin:30px 0 0;max-width:none}
.rows{max-width:none;padding:0}.prose .rows{width:min(1360px,calc(100vw - 2*var(--pad)))}
.note{padding:16px 18px;background:#ECEAE5;border-left:4px solid var(--b)}
/* table */
.tbl{overflow-x:auto;margin:6px 0 22px}
table{border-collapse:collapse;width:100%;font-size:15px;background:#fff}
caption{text-align:left;font-weight:700;padding:0 0 8px;font-size:15px;color:var(--mut)}
th,td{border:1px solid var(--ln);padding:11px 14px;text-align:left;vertical-align:top;line-height:1.55}
thead th{background:var(--c);color:var(--w);font-weight:600}
tbody th{background:#ECEAE5;white-space:nowrap}
/* faq */
.faq{max-width:900px}
.fq{border-top:1px solid var(--ln)}.fq:last-child{border-bottom:1px solid var(--ln)}
.fq h3{font-size:inherit}
.fq-b{display:flex;width:100%;justify-content:space-between;align-items:center;gap:16px;background:none;border:0;padding:20px 0;font:700 18px/1.45 inherit;font-family:inherit;color:inherit;text-align:left;cursor:pointer}
.fq-i{flex:none;width:14px;height:14px;position:relative}.fq-i:before,.fq-i:after{content:"";position:absolute;background:var(--c);left:0;top:6px;width:14px;height:2px}.fq-i:after{transform:rotate(90deg);transition:transform .2s}
.fq-b[aria-expanded=true] .fq-i:after{transform:rotate(0)}
.fq-p{display:grid;grid-template-rows:1fr;transition:grid-template-rows .25s}.fq-p>div{overflow:hidden}.fq-p p{margin:0 0 20px;color:#34373a}
.fq.is-closed .fq-p{grid-template-rows:0fr}
/* cta */
.cta-b{background:var(--c);color:var(--w);text-align:center;padding:clamp(52px,7vw,92px) 0}
.cta-b h2{font-size:clamp(24px,3.4vw,40px);margin-bottom:12px}.cta-b p{margin:0 auto 26px;max-width:36em;color:#d9d5ce}
/* footer */
.ft{background:#0f1112;color:#b9b5ae;font-size:13px;padding:16px 0}
.ft .wrap{display:flex;flex-wrap:wrap;gap:4px 18px;align-items:center;line-height:1.6}
.ft b{color:#eee}
/* lightbox */
dialog.lb{border:0;padding:0;background:transparent;max-width:96vw;max-height:94vh;color:#fff}
dialog.lb::backdrop{background:rgba(10,11,12,.88)}
dialog.lb .in{text-align:center}dialog.lb img{max-width:94vw;max-height:84vh;margin:0 auto;object-fit:contain}dialog.lb p{margin:10px 0 0;font-size:14px}
dialog.lb button{position:fixed;top:12px;right:16px;width:44px;height:44px;font-size:30px;background:rgba(0,0,0,.5);color:#fff;border:0;cursor:pointer}
/* responsive */
@media(max-width:1023px){.nav{display:none}.hd .btn{margin-left:auto}.cards{grid-template-columns:repeat(3,1fr)}.car-t>li{flex-basis:calc((100% - 2*14px)/3)}}
@media(max-width:760px){
 body{font-size:15.5px}
 .hd .wrap{height:58px;gap:10px}.logo{font-size:16px}.btn.sm{padding:0 10px;font-size:12.5px;min-height:38px}
 .cards,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .car-t>li{flex-basis:calc((100% - 12px)/2)}
 .ba{grid-template-columns:1fr}
 .two{grid-template-columns:1fr}
 .hero{min-height:560px}.hero img{object-position:50% 30%}
 .btn{padding:0 18px;font-size:15px;max-width:100%}
 .card-t{font-size:15px}
 .prose .rows{width:100%}
 .tbl table,.tbl thead,.tbl tbody,.tbl tr,.tbl th,.tbl td{display:block;width:100%}
 .tbl thead{position:absolute;left:-9999px}
 .tbl tr{margin-bottom:12px;border:1px solid var(--ln)}
 .tbl th,.tbl td{border:0;border-bottom:1px solid var(--ln);white-space:normal}
 .tbl td:before,.tbl tbody th:before{content:attr(data-label) " · ";font-weight:700;color:var(--b)}
 .tbl tbody th:before{content:""}
 .fq-b{font-size:16px}
 .sec-h{align-items:flex-end}
}
@media(max-width:360px){.logo{font-size:15px}.btn.sm{font-size:11.5px;padding:0 8px}}

.ba-tag{margin:0 0 6px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--b)}.ba-tag.is-proc{color:#17191B;opacity:.7}
.site{margin:0 0 clamp(22px,3vw,36px)}.site-l{margin:0 0 8px;font-size:15px;line-height:1.5}.site-l em{font-style:normal;color:var(--b);font-weight:700}.site-n{margin:0 0 10px;font-size:14px;line-height:1.6;color:var(--mut)}
.top4 .site{margin-bottom:0}