:root{
  --bg:#fafaf7;--surface:#fff;--ink:#1c1f2a;--ink2:#4b5163;--muted:#8a90a2;--line:#e8e8e2;
  --accent:#4f46e5;--accent-soft:#eceafd;--shadow:0 1px 2px rgba(20,24,40,.05),0 8px 28px rgba(20,24,40,.07);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#12141b;--surface:#1b1e28;--ink:#eceef5;--ink2:#b4b9c9;--muted:#7d8398;--line:#2a2e3b;
  --accent-soft:#25264a;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);color-scheme:dark;
}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#12141b;--surface:#1b1e28;--ink:#eceef5;--ink2:#b4b9c9;--muted:#7d8398;--line:#2a2e3b;
  --accent-soft:#25264a;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px rgba(0,0,0,.35);color-scheme:dark;}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 "Pretendard","Noto Sans KR",system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.3;margin:0;letter-spacing:-.03em}
p{margin:0}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.03em}.brand:hover{text-decoration:none}
.brand i{font-style:normal;color:var(--accent)}
nav.links{display:flex;gap:2px;align-items:center;flex-wrap:wrap}
nav.links a{color:var(--ink2);padding:6px 11px;border-radius:999px;font-size:14.5px}
nav.links a:hover{background:var(--accent-soft);text-decoration:none;color:var(--ink)}
nav.links a.on{background:var(--accent-soft);color:var(--accent);font-weight:700}
nav.links a.cta{background:var(--ink);color:var(--bg);font-weight:600}
@media(max-width:760px){nav.links a:not(.cta):not(.on){display:none}}
.hero{padding:72px 0 44px}
.eyebrow{display:inline-block;background:var(--surface);box-shadow:var(--shadow);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;color:var(--ink2)}
.hero h1{font-size:clamp(34px,6vw,58px);font-weight:800;margin:18px 0 16px;letter-spacing:-.045em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:clamp(17px,2.2vw,20px);color:var(--ink2);max-width:660px}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
section.block{padding:44px 0}
.sec-head{margin-bottom:24px}
.sec-head h2{font-size:clamp(24px,3.4vw,32px);font-weight:800}
.sec-head p{color:var(--ink2);margin-top:8px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:820px){.g3{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--surface);border-radius:20px;box-shadow:var(--shadow);padding:26px;border:1px solid var(--line)}
a.card{display:block;color:inherit;transition:transform .15s}
a.card:hover{text-decoration:none;transform:translateY(-3px)}
.proj-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:var(--p-soft,var(--accent-soft));margin-bottom:14px}
.card h3{font-size:20px;font-weight:800}
.card .sub{color:var(--ink2);margin-top:6px;font-size:15px}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--p-soft,var(--accent-soft));color:var(--p,var(--accent))}
.more{margin-top:16px;font-weight:700;color:var(--p,var(--accent));font-size:15px}
.step{display:flex;gap:14px}
.step b.n{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-size:15px}
.step h3{font-size:17px}.step p{color:var(--ink2);font-size:15px;margin-top:4px}
.feat h3{font-size:17px;font-weight:700;display:flex;gap:8px;align-items:center}
.feat p{color:var(--ink2);font-size:15px;margin-top:6px}
.note{background:var(--accent-soft);border-radius:14px;padding:14px 18px;color:var(--ink2);font-size:14.5px}
.pj-hero{padding:56px 0 28px;--accent:var(--p);--accent-soft:var(--p-soft)}
.crumb{font-size:14px;color:var(--muted);margin-bottom:14px}
.pj-hero h1{font-size:clamp(32px,5.4vw,50px);font-weight:800;letter-spacing:-.04em;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.pj-hero h1 .proj-ico{margin:0}
.pj-hero p.lead{margin-top:14px;font-size:19px;color:var(--ink2);max-width:680px}
.pj{--accent:var(--p);--accent-soft:var(--p-soft)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.fact small{display:block;color:var(--muted);font-size:12.5px;font-weight:700;letter-spacing:.04em}
.fact span{font-weight:600}
ul.chk{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px}
ul.chk li{padding-left:26px;position:relative;color:var(--ink2);font-size:15px}
ul.chk li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.cta-band{margin:44px 0 20px;background:var(--ink);color:var(--bg);border-radius:24px;padding:36px;display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}
.cta-band h2{font-size:24px}.cta-band p{opacity:.75;margin-top:6px}
.cta-band .btn{border:0;background:var(--bg);color:var(--ink)}
form.contact{display:grid;gap:14px}
form.contact label{font-weight:700;font-size:14px;display:grid;gap:6px}
form.contact input,form.contact select,form.contact textarea{font:inherit;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
form.contact textarea{min-height:130px;resize:vertical}
form.contact input:focus,form.contact select:focus,form.contact textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.mailbox{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}
.mailbox code{background:var(--accent-soft);color:var(--accent);padding:6px 12px;border-radius:10px;font-size:15px;font-weight:600}
footer{border-top:1px solid var(--line);margin-top:40px;padding:32px 0 48px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--ink2)}