:root{--bg:#0e0f11;--bg2:#15171a;--line:rgba(255,255,255,.14);--tx:#f4f4f2;--mut:#9a9da3;--or:#ff6a13;--paper:#f3f2ee;--ink:#17181a}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Pretendard Variable',Pretendard,-apple-system,'Noto Sans KR',sans-serif;background:var(--bg);color:var(--tx);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.en{font-family:'Pretendard Variable',Pretendard,sans-serif;letter-spacing:.18em;text-transform:uppercase;font-size:.72rem;font-weight:600;color:var(--mut)}
.wrap{max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
/* header */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s}
.hd.s{background:rgba(14,15,17,.92);backdrop-filter:blur(8px)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.logo b{color:var(--or)}
.nav{display:flex;gap:34px;font-size:.92rem;font-weight:500}
.nav a{opacity:.85}.nav a:hover{opacity:1;color:var(--or)}
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--or);color:#111;font-weight:800;padding:16px 30px;border-radius:2px;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-2px);background:#ff8338}
.btn.sm{padding:10px 20px;font-size:.88rem}
/* HERO */
.hero{position:relative;min-height:92vh;min-height:92svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:#000 url(/assets/img/hero-poster.webp) center/cover no-repeat;isolation:isolate}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3;animation:drift 16s ease-in-out infinite alternate;transform-origin:60% 50%;pointer-events:none}
@keyframes drift{from{transform:scale(1)}to{transform:scale(1.07)}}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
 linear-gradient(90deg,rgba(10,11,13,.88) 0%,rgba(10,11,13,.55) 48%,rgba(10,11,13,.25) 100%),
 linear-gradient(180deg,rgba(10,11,13,.5) 0%,rgba(10,11,13,0) 30%,rgba(14,15,17,.0) 62%,var(--bg) 100%)}
.hero__body{width:100%;padding-top:120px;padding-bottom:clamp(36px,6vh,72px)}
.hero .kick{display:flex;align-items:center;gap:14px;margin-bottom:28px;color:#fff}
.hero .kick i{width:48px;height:2px;background:var(--or)}
h1{font-size:clamp(4rem,13vw,10.5rem);line-height:.92;font-weight:900;letter-spacing:-.045em}
h1 span{display:block}
h1 em{font-style:normal;color:var(--or)}
.hero .lead{margin-top:clamp(22px,4vh,40px);font-size:clamp(1.15rem,2.2vw,1.6rem);font-weight:600;max-width:34ch;line-height:1.45}
.hero .lead strong{color:var(--or)}
.hero .ans{margin-top:14px;max-width:56ch;color:#c9cbd0;font-size:.98rem}
.hero .cta{margin-top:clamp(26px,4vh,40px)}
/* hero → index 연결 */
.idx{border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,var(--bg) 70%)}
.idx .wrap{width:100%}
.idx ol{list-style:none;display:grid;grid-template-columns:repeat(6,1fr)}
.idx li a{display:block;padding:20px 14px 20px 0;position:relative;border-left:1px solid var(--line);padding-left:18px}
.idx li:first-child a{border-left:0;padding-left:0}
.idx .n{font-size:1.5rem;font-weight:800;color:#fff;letter-spacing:-.02em;transition:color .2s}
.idx li.on .n,.idx li a:hover .n{color:var(--or)}
.idx .t{display:block;font-size:.82rem;color:var(--mut);margin-top:2px}
.idx li::after{content:"";position:absolute}
.idx li{position:relative}
.idx li.on::before{content:"";position:absolute;top:-1px;left:0;right:0;height:3px;background:var(--or)}
/* sections */
section{padding:clamp(72px,10vw,140px) 0}
.sh{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(32px,5vw,56px)}
h2{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.15}
.sh p{color:var(--mut);max-width:44ch}
.sh .en{display:block;margin-bottom:12px}
.sh .en b{color:var(--or);margin-right:10px}
/* service carousel (dark, index 체계 계승) */
#service{padding-top:clamp(40px,6vw,80px);background:var(--bg)}
.car{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,48px) 24px}
.card{display:flex;flex-direction:column;position:relative;background:var(--bg2);border-top:3px solid #2a2c30;transition:border-color .3s;scroll-margin-top:96px}
.card.on,.card:hover{border-top-color:var(--or)}
.card .ph{aspect-ratio:4/3;overflow:hidden}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.card:hover img{transform:scale(1.06)}
.card .tx{padding:20px 20px 26px;flex:1}
.card .no{font-size:.8rem;font-weight:800;color:var(--or);letter-spacing:.14em}
h3{font-size:1.2rem;font-weight:700;margin:6px 0 8px;letter-spacing:-.02em}
.card p{font-size:.9rem;color:var(--mut)}
/* works */
#works{background:var(--paper);color:var(--ink)}
#works .sh p,#works .en{color:#666}
.g{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.g figure{aspect-ratio:3/4;overflow:hidden;background:#ccc}
.g img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.g figure:hover img{transform:scale(1.07)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.ba div{display:grid;grid-template-columns:1fr 1fr;gap:6px;position:relative}
.ba figure{position:relative;aspect-ratio:3/4;overflow:hidden}
.ba img{width:100%;height:100%;object-fit:cover}
.ba figcaption{position:absolute;left:10px;top:10px;background:#111;color:#fff;font-size:.78rem;font-weight:700;padding:4px 10px}
.ba figure:last-child figcaption{background:var(--or);color:#111}
/* process */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.steps li{padding:28px 24px 8px 0;border-right:1px solid var(--line);padding-left:24px}
.steps li:first-child{padding-left:0}.steps li:last-child{border-right:0}
.steps .n{font-size:3rem;font-weight:900;color:var(--or);letter-spacing:-.04em;line-height:1}
.steps h3{margin-top:16px}.steps p{color:var(--mut);font-size:.92rem}
/* table */
table{width:100%;border-collapse:collapse;margin-top:8px}
th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:top}
th{color:var(--or);font-weight:700;white-space:nowrap;width:22%}
td{color:#d6d8dc}
/* area / info */
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.chips li{border:1px solid var(--line);padding:12px 22px;font-weight:600}
.two{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,64px)}
.ck{list-style:none;display:grid;gap:10px}
.ck li{padding:16px 18px 16px 48px;background:var(--bg2);position:relative;font-size:.95rem}
.ck li::before{content:"";position:absolute;left:18px;top:21px;width:12px;height:7px;border-left:2px solid var(--or);border-bottom:2px solid var(--or);transform:rotate(-45deg)}
.alt{background:var(--bg2)}
.alt .ck li{background:var(--bg)}
/* faq */
.faq h3{font-size:1.08rem;padding:22px 0 8px}
.faq div{border-bottom:1px solid var(--line);padding-bottom:20px}
.faq p{color:#c3c6cb;font-size:.95rem}
.faq .q{color:var(--or);font-weight:800;margin-right:8px}
/* cta/footer */
.final{background:linear-gradient(90deg,rgba(14,15,17,.95),rgba(14,15,17,.7)),url(/assets/img/wall4.webp) center/cover;text-align:left}
.final h2 span{color:var(--or)}
.final p{color:#c9cbd0;margin:16px 0 30px}
footer{background:#08090a;padding:48px 0;color:var(--mut);font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer address{font-style:normal;line-height:1.9}
footer .logo{color:#fff}
.mod{margin-top:34px;color:var(--mut);font-size:.85rem}
/* responsive */
@media(max-width:900px){
 .nav{display:none}
 .idx ol{grid-template-columns:repeat(3,1fr)}
 .idx li:nth-child(4) a{border-left:0;padding-left:0}
 .g{grid-template-columns:repeat(3,1fr)}
 .steps{grid-template-columns:1fr 1fr}.steps li:nth-child(2){border-right:0}
 .two,.ba{grid-template-columns:1fr}
 .hero video{animation-duration:20s}
 @keyframes drift{from{transform:scale(1)}to{transform:scale(1.03)}}
}
@media(max-width:560px){.g{grid-template-columns:repeat(2,1fr)}.hero::before{background:linear-gradient(180deg,rgba(10,11,13,.55),rgba(10,11,13,.75) 55%,var(--bg) 100%)}}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 .hero video{display:none}
 *{animation:none!important;transition:none!important}
}

/* ===== sub pages ===== */
.phero{position:relative;min-height:62vh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:#000;isolation:isolate}
.phero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;animation:drift 18s ease-in-out infinite alternate}
.phero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,11,13,.9),rgba(10,11,13,.55) 60%,rgba(10,11,13,.3)),linear-gradient(180deg,rgba(10,11,13,.4),transparent 35%,var(--bg) 100%)}
.phero .wrap{width:100%;padding-top:130px;padding-bottom:clamp(36px,6vh,70px)}
.phero h1{font-size:clamp(2.6rem,8vw,6.2rem);line-height:1.02;letter-spacing:-.04em}
.phero h1 em{font-style:normal;color:var(--or)}
.phero .lead{margin-top:22px;font-size:clamp(1.02rem,1.8vw,1.28rem);font-weight:500;max-width:46ch;color:#e6e7ea;line-height:1.6}
.phero .cta{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.btn.line{background:transparent;border:2px solid var(--or);color:#fff}
.btn.line:hover{background:var(--or);color:#111}
.crumb{font-size:.82rem;color:var(--mut);margin-bottom:22px}
.crumb a:hover{color:var(--or)}
.crumb span{margin:0 8px;opacity:.5}
.body{padding:clamp(48px,7vw,96px) 0}
.body .blk{padding:clamp(28px,4vw,52px) 0;border-top:1px solid var(--line)}
.body .blk:first-child{border-top:0;padding-top:0}
.body h2{font-size:clamp(1.55rem,3.2vw,2.3rem);margin-bottom:22px}
.body p{color:#cfd1d6;max-width:78ch;margin-bottom:14px;font-size:1.02rem;line-height:1.85}
.sq4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.sq4 figure{position:relative;aspect-ratio:1/1;overflow:hidden;background:#222}
.sq4 img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.sq4 figure:hover img{transform:scale(1.06)}
.sq4 figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;font-size:.8rem;background:linear-gradient(transparent,rgba(0,0,0,.78))}
.sq3{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.flow{display:grid;gap:12px}
.flow>div{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;border:1px solid var(--line)}
.flow>div>div{padding:20px 22px;position:relative}
.flow>div>div+div{border-left:1px solid var(--line)}
.flow>div>div+div::before{content:"→";position:absolute;left:-12px;top:20px;background:var(--bg);color:var(--or);width:24px;text-align:center;font-weight:800}
.flow b{display:block;color:var(--or);font-size:.74rem;letter-spacing:.16em;margin-bottom:6px}
.flow span{font-size:.95rem;color:#dcdde1}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,48px)}
.cols h3{margin:0 0 14px;font-size:1.15rem;color:#fff}
.steps.v{grid-template-columns:1fr;border-top:0}
.steps.v li{display:grid;grid-template-columns:90px 1fr;gap:0 20px;border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
.steps.v li:first-child{padding-left:0}
.steps.v .n{grid-row:1/3;font-size:2.4rem}
.steps.v h3{margin:0 0 4px}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel a{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;background:var(--bg2);border-top:3px solid #2a2c30;padding:12px;transition:border-color .3s}
.rel a:hover{border-top-color:var(--or)}
.rel img{width:96px;height:96px;object-fit:cover}
.rel strong{display:block;font-size:1rem}
.rel small{color:var(--mut);font-size:.82rem;line-height:1.4;display:block;margin-top:2px}
.rel .go,.cards .go{color:var(--or);font-size:.82rem;font-weight:700}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cards a{display:block;background:var(--bg2);border-top:3px solid #2a2c30;transition:border-color .3s}
.cards a:hover{border-top-color:var(--or)}
.cards .ph{aspect-ratio:1/1;overflow:hidden}
.cards img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.cards a:hover img{transform:scale(1.06)}
.cards .tx{padding:16px 18px 20px}
.cards h3{margin:0 0 6px;font-size:1.1rem}
.cards p{font-size:.88rem;color:var(--mut);margin-bottom:10px;line-height:1.55}
.more{margin-top:34px;text-align:center}
.cmp td:nth-child(2),.cmp th:nth-child(2){background:rgba(255,106,19,.06)}
.tbl{overflow-x:auto}
.faq h3{display:block}
.band{background:var(--bg2)}
.hub{padding:clamp(48px,7vw,96px) 0}
.stat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.stat div{border:1px solid var(--line);padding:20px}
.stat b{display:block;color:var(--or);font-size:1.6rem;letter-spacing:-.02em}
.stat span{font-size:.9rem;color:#cfd1d6}
@media(max-width:900px){.sq4,.cards{grid-template-columns:repeat(2,1fr)}.rel{grid-template-columns:1fr 1fr}.cols{grid-template-columns:1fr}.flow>div{grid-template-columns:1fr}.flow>div>div+div{border-left:0;border-top:1px solid var(--line)}.flow>div>div+div::before{left:20px;top:-12px;content:"↓"}.stat{grid-template-columns:1fr}}
@media(max-width:560px){.rel{grid-template-columns:1fr}.phero{min-height:56vh}}

@media(max-width:1100px){.car{grid-template-columns:repeat(2,minmax(0,1fr))}.card .ph{aspect-ratio:1/1}}
@media(max-width:640px){.car{grid-template-columns:1fr;gap:18px}}
.card .go{display:block;margin-top:14px;color:var(--or);font-size:.85rem;font-weight:700}