:root{--bg:#0b0b0c;--bg2:#131316;--fg:#f4f4f2;--mute:#a9a9a6;--line:rgba(255,255,255,.14);--accent:#f4f4f2;--font:"Inter","Noto Sans KR",system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;--max:1280px;--pad:clamp(20px,4vw,56px)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{background:var(--bg);color:var(--fg);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:inherit}img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:100}
/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;background:linear-gradient(#000a,#0000);transition:background .3s}
.hdr.solid{background:#0b0b0cee;backdrop-filter:blur(8px)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;letter-spacing:.18em;text-decoration:none;font-size:1.05rem}
.nav{display:flex;gap:28px;align-items:center;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}
.nav a{text-decoration:none;opacity:.85}.nav a:hover{opacity:1}
.lang{border:1px solid var(--line);padding:4px 10px;border-radius:99px}
@media(max-width:720px){.nav a:not(.lang){display:none}}
/* sections */
section{position:relative}
.bg{position:absolute;inset:0;background-size:cover;background-position:center;background-color:#1b1b1f}
.bg::after{content:"";position:absolute;inset:0;background:#000;opacity:var(--ov,.45)}
.sec{padding:clamp(72px,10vw,140px) 0}
.hero{min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero .wrap{position:relative;z-index:2;padding-top:80px;padding-bottom:60px}
h1{font-size:clamp(2.4rem,7vw,5.6rem);line-height:1.04;letter-spacing:-.02em;font-weight:800;max-width:14ch}
.lead{max-width:60ch;margin-top:28px;font-size:clamp(1rem,1.5vw,1.2rem)}
.lead p+p,.copy p+p{margin-top:.9em;color:var(--mute)}
.btn{display:inline-block;margin-top:36px;padding:14px 30px;border:1px solid var(--fg);text-decoration:none;font-size:.9rem;letter-spacing:.1em;text-transform:uppercase;transition:.2s;background:transparent;color:var(--fg);cursor:pointer;font-family:inherit}
.btn:hover{background:var(--fg);color:#000}
h2{font-size:clamp(1.8rem,4.4vw,3.4rem);line-height:1.1;font-weight:800;letter-spacing:-.01em}
.eyebrow{font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
/* approach */
.approach{overflow:hidden}.approach .wrap{position:relative;z-index:2}
.ap-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:start}
.ap-side{position:sticky;top:100px}
.ap-side .sub{margin-top:22px;font-size:1.15rem;font-weight:600}
.ap-side .copy{margin-top:20px}
@media(max-width:860px){.ap-grid{grid-template-columns:1fr}.ap-side{position:static}}
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-weight:600;font-size:1.1rem;position:relative;display:flex;gap:16px}
.acc summary::-webkit-details-marker{display:none}
.acc summary i{font-style:normal;color:var(--mute);font-variant-numeric:tabular-nums;min-width:2ch}
.acc summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:1.6rem;font-weight:300;transition:.2s}
.acc details[open] summary::after{transform:rotate(45deg)}
.acc .body{padding:0 40px 26px 34px;color:#d6d6d3}
.acc .body p+p{margin-top:.6em;color:var(--mute);font-size:.95rem}
/* services */
.services{background:radial-gradient(120% 90% at 20% 0%,#23232b 0%,var(--bg) 60%)}
.head-row{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:40px}
.arrows{display:flex;gap:8px}.arrows button{width:44px;height:44px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer;font-size:1.1rem}
.arrows button:hover{background:var(--fg);color:#000}
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
.rail::-webkit-scrollbar{display:none}
@media(max-width:900px){.rail{grid-auto-columns:78%}}
.card{scroll-snap-align:start}
.card .img{aspect-ratio:4/3;background:#202026 center/cover;margin-bottom:20px}
.card h3{font-size:1.25rem;line-height:1.3;margin-bottom:10px}
.card p{color:#d6d6d3;font-size:.95rem}.card p+p{color:var(--mute);margin-top:.5em}
/* brands */
.brands{background:#f4f4f2;color:#0b0b0c}
.brands .eyebrow{color:#666}
.logos{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:44px;align-items:center}
.logos div{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:#fff;padding:14px}
.logos img{max-height:100%;max-width:100%;object-fit:contain}
@media(max-width:900px){.logos{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.logos{grid-template-columns:repeat(2,1fr)}}
/* works */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.works-grid figure{position:relative;overflow:hidden;background:#202026;aspect-ratio:4/3}
.works-grid img{width:100%;height:100%;object-fit:cover}
.works-grid a{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0008;font-weight:700;letter-spacing:.14em;text-decoration:none}
@media(max-width:800px){.works-grid{grid-template-columns:1fr}}
/* about */
.about{overflow:hidden}.about .wrap{position:relative;z-index:2}
.about .copy{max-width:70ch;margin-top:28px}
.about h2 span{display:block;font-size:.4em;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
/* contact */
.contact{overflow:hidden;background:#0d0d12}
#iso{position:absolute;inset:0;width:100%;height:100%}
.contact .wrap{position:relative;z-index:2;display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,96px)}
@media(max-width:860px){.contact .wrap{grid-template-columns:1fr}}
.form{display:grid;gap:16px;align-content:start}
.form label{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);display:grid;gap:6px}
.form input,.form textarea{background:#ffffff10;border:1px solid var(--line);color:var(--fg);padding:13px 14px;font:inherit;border-radius:0}
.form input:focus,.form textarea:focus{outline:2px solid var(--fg);outline-offset:1px}
.form textarea{min-height:140px;resize:vertical}
.form .chk{display:flex;gap:10px;align-items:flex-start;text-transform:none;letter-spacing:0;font-size:.85rem}
.form .chk input{margin-top:5px}
.hp{position:absolute;left:-9999px}
.msg{min-height:1.4em;font-size:.9rem}
/* footer */
.ftr{border-top:1px solid var(--line);padding:40px 0;color:var(--mute);font-size:.85rem}
.ftr .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.ftr a{text-decoration:none}.ftr a:hover{color:var(--fg)}
/* policy */
.doc{padding:140px 0 80px;max-width:820px}
.doc h1{font-size:2rem;max-width:none;margin-bottom:28px}
.doc h2{font-size:1.2rem;margin:34px 0 10px}
.doc p,.doc li{color:#d6d6d3;margin-bottom:.5em}.doc ul{padding-left:1.2em}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.hero .wrap{width:100%}
.logos{grid-template-columns:repeat(4,1fr)}
@media(max-width:520px){.logos{grid-template-columns:repeat(2,1fr)}}
.logo img{height:26px;width:auto;display:block}