:root{--cy:#00AEEF;--cy-d:#0089BF;--cy-l:#E8F7FE;--gy:#A6A6A6;--ink:#10202C;--ink2:#38495A;
--mut:#6B7C8B;--line:#DCE5EB;--bg:#FFFFFF;--bg2:#F5F9FC;--gold:#E8871B;--wrap:1120px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#E9F0F5;--ink2:#BAC8D4;--mut:#93A5B4;
--line:#26333F;--bg:#0D1620;--bg2:#131F2B;--cy-l:#0F2A38}}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.75;word-break:keep-all;
font-family:"Pretendard","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif}
img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.3;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(23px,3vw,31px);margin:0 0 12px}
h3{font-size:19px;margin:0 0 6px}
p{margin:0 0 14px}
.lead{color:var(--mut);font-size:17.5px;max-width:66ch;margin:0 0 4px}
section{padding:60px 0}
/* header */
header{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:14px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{height:30px;width:auto}
.brand b{font-size:13px;color:var(--mut);font-weight:500;white-space:nowrap}
header nav{margin-left:auto;display:flex;gap:16px;align-items:center}
header nav a{font-size:15px;color:var(--ink2)}header nav a:hover{color:var(--cy)}
.tel{display:inline-flex;align-items:center;gap:6px;background:var(--cy);color:#fff!important;
padding:9px 15px;border-radius:7px;font-weight:700;font-size:15px}
.tel:hover{background:var(--cy-d)}
@media(max-width:920px){header nav{display:none}.brand b{display:none}}
/* breadcrumb */
.bc{font-size:13.5px;color:var(--mut);padding:14px 0 0}
.bc a:hover{color:var(--cy)}.bc span{margin:0 6px;opacity:.6}
/* hero */
.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--cy-l),transparent)}
.hero .grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;padding:52px 0 56px}
.kick{display:inline-block;background:var(--cy);color:#fff;font-size:13.5px;font-weight:600;
padding:5px 11px;border-radius:99px;margin-bottom:14px}
.hero h1{font-size:clamp(29px,4.4vw,46px);margin:0 0 14px}
.hero .sub{font-size:19px;color:var(--ink2);font-weight:500;margin-bottom:16px}
.hero p{color:var(--mut);font-size:16.5px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:7px;padding:14px 22px;border-radius:8px;font-weight:700;
font-size:16px;border:2px solid transparent}
.btn-p{background:var(--gold);color:#fff}.btn-p:hover{filter:brightness(.93)}
.btn-s{border-color:var(--ink);color:var(--ink)}.btn-s:hover{background:var(--ink);color:var(--bg)}
.shot{border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative}
.shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.shot figcaption{position:absolute;left:12px;bottom:12px;background:rgba(16,32,44,.86);color:#fff;
font-size:12.5px;padding:5px 10px;border-radius:5px}
@media(max-width:880px){.hero .grid{grid-template-columns:1fr;gap:26px;padding:34px 0 40px}}
/* trust */
.trust{background:var(--ink);color:#fff;padding:14px 0}
.trust ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:center;font-size:14px}
.trust li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cy);margin-right:8px;vertical-align:2px}
/* cards */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.cols img{aspect-ratio:4/3;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.cols h3{margin:14px 0 6px}.cols p{color:var(--mut);font-size:15.5px;margin:0}
@media(max-width:860px){.cols{grid-template-columns:1fr}}
.memo{margin-top:26px;background:var(--cy-l);border-left:4px solid var(--cy);padding:16px 20px;border-radius:0 8px 8px 0}
.memo b{display:block;font-size:14px;color:var(--cy-d);margin-bottom:4px}
.memo p{margin:0;color:var(--ink2);font-size:16px}
/* steps */
.steps{background:var(--bg2)}
.steps ol{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin:32px 0 0;padding:0}
.steps li{counter-increment:s;position:relative}
.steps li img{aspect-ratio:4/3;object-fit:cover;border-radius:9px;border:1px solid var(--line)}
.steps li::before{content:counter(s);position:absolute;top:-10px;left:-6px;width:30px;height:30px;border-radius:50%;
background:var(--cy);color:#fff;font-weight:700;display:grid;place-items:center;font-size:14px;border:3px solid var(--bg2)}
.steps h3{font-size:16.5px;margin:12px 0 5px}.steps p{font-size:14.5px;color:var(--mut);margin:0}
@media(max-width:1000px){.steps ol{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.steps ol{grid-template-columns:1fr 1fr}}
/* two col list */
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.list{list-style:none;margin:16px 0 0;padding:0;border-top:1px solid var(--line)}
.list li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:14px}
.list li b{min-width:112px;color:var(--cy-d);font-weight:700;font-size:15.5px}
.list li span{color:var(--mut);font-size:15.5px}
@media(max-width:860px){.two{grid-template-columns:1fr;gap:30px}}
/* article */
.art{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:28px 30px;margin-top:26px}
.art h3{color:var(--cy-d);margin:22px 0 8px;font-size:18px}.art h3:first-child{margin-top:0}
.art p{color:var(--ink2);font-size:16.5px;max-width:76ch}
.art p:last-child{margin-bottom:0}
/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.gal figure{margin:0}.gal img{aspect-ratio:4/3;object-fit:cover;border-radius:8px}
.gal figcaption{font-size:13px;color:var(--mut);margin-top:6px}
@media(max-width:760px){.gal{grid-template-columns:1fr 1fr}}
/* faq */
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq details:first-of-type{border-top:1px solid var(--line);margin-top:22px}
.faq summary{cursor:pointer;font-weight:700;font-size:17.5px;list-style:none;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cy);font-weight:400;font-size:23px;line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin:10px 0 0;color:var(--mut);font-size:16px;max-width:76ch}
/* chips */
.chips{margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:inline-block;padding:7px 13px;border:1px solid var(--line);border-radius:99px;
font-size:14.5px;color:var(--ink2);background:var(--bg)}
.chips a:hover{border-color:var(--cy);color:var(--cy)}
.grp{margin-top:26px}.grp h3{font-size:16px;color:var(--mut);margin:0 0 10px;font-weight:600}
/* svc cards */
.svcs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.svc{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--bg);display:block}
.svc:hover{border-color:var(--cy);box-shadow:0 4px 18px rgba(0,174,239,.10)}
.svc b{display:block;font-size:18px;margin-bottom:5px}
.svc span{color:var(--mut);font-size:15px}
@media(max-width:860px){.svcs{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.svcs{grid-template-columns:1fr}}
/* contact */
.contact{background:var(--cy);color:#fff}
.contact h2,.contact p{color:#fff}.contact .lead{color:#DCF3FD}
.big{display:inline-block;font-size:clamp(34px,5.5vw,54px);font-weight:800;margin:14px 0 4px;letter-spacing:-.02em}
.contact .btn-s{border-color:#fff;color:#fff}.contact .btn-s:hover{background:#fff;color:var(--cy)}
.tip{margin-top:20px;font-size:14.5px;color:#DCF3FD}
/* footer */
footer{background:var(--ink);color:#B6C4D0;padding:38px 0;font-size:14px}
footer .wrap{display:grid;grid-template-columns:1fr auto;gap:22px}
footer img{height:26px;margin-bottom:10px;filter:brightness(0) invert(1);opacity:.92}
footer a{color:#fff}footer a:hover{text-decoration:underline}
.flinks a{display:block;margin-bottom:7px}
@media(max-width:640px){footer .wrap{grid-template-columns:1fr}}
/* callbar */
.callbar{display:none}
@media(max-width:760px){.callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--gold);
color:#fff;font-weight:800;font-size:17px;justify-content:center;padding:15px;
padding-bottom:calc(15px + env(safe-area-inset-bottom,0px));gap:8px}body{padding-bottom:66px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}