:root{
  --ink:#0b0d12;--ink-2:#14171f;--ink-3:#232733;
  --cold:#eef0f5;--white:#fff;--text:#14171f;--muted:#5b6170;--muted-d:#a2a8b6;
  --line:#d7dae2;--line-d:#2b2f3b;
  --cobalt:#2f45ff;--cobalt-l:#8a97ff;--seal:#ff4a1c;
  --sans:"Pretendard Variable",Pretendard,"Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cold);color:var(--text);font-family:var(--sans);line-height:1.65;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0;letter-spacing:-.035em;line-height:1.14;font-weight:800}
p{margin:0}
.wrap{width:min(100% - 48px,var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--seal);outline-offset:3px}
.label{font-family:var(--mono);font-size:.76rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--cobalt)}
.dark .label,.hero .label{color:var(--cobalt-l)}

/* 머리글 */
.top{position:absolute;inset:0 0 auto;z-index:10;color:#fff}
.top.light{position:static;color:var(--text);border-bottom:1px solid var(--line);background:var(--cold)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.02em;font-size:1.06rem}
.brand svg{width:30px;height:30px}
.nav{display:flex;align-items:center;gap:30px;font-size:.95rem;font-weight:500}
.nav a{text-decoration:none;opacity:.86}
.nav a:hover{opacity:1;text-decoration:underline;text-underline-offset:5px}
.nav .call{opacity:1;background:#fff;color:var(--ink);padding:9px 17px;border-radius:3px;font-weight:700}
.nav .call:hover{text-decoration:none;background:var(--seal);color:#fff}
.top.light .nav .call{background:var(--ink);color:#fff}

/* 첫 화면 */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);background-size:72px 72px;opacity:.38;mask-image:radial-gradient(ellipse 85% 75% at 75% 35%,#000 15%,transparent 72%);-webkit-mask-image:radial-gradient(ellipse 85% 75% at 75% 35%,#000 15%,transparent 72%)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,.78fr);gap:52px;align-items:center;padding:150px 0 96px;min-height:88vh}
.hero h1{font-size:clamp(2.6rem,4.9vw,4.7rem);margin:20px 0 26px}
.hero h1 em{font-style:normal;color:var(--cobalt-l)}
.lead{font-size:clamp(1.06rem,1.5vw,1.26rem);color:#cfd3dc;max-width:36em}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 26px;border-radius:3px;font-weight:700;text-decoration:none;transition:transform .16s,background .16s,color .16s}
.btn:hover{transform:translateY(-2px)}
.btn-p{background:var(--cobalt);color:#fff}
.btn-p:hover{background:#1c30e6}
.btn-g{border:1px solid #515768;color:#fff}
.btn-g:hover{background:#fff;color:var(--ink)}
.fine{margin-top:22px;font-size:.84rem;color:var(--muted-d)}

/* 작업 흐름 표시 */
.line{background:var(--ink-2);border:1px solid var(--line-d);border-radius:6px;font-family:var(--mono);font-size:.86rem;box-shadow:0 30px 80px #000a}
.line-h{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--line-d);color:var(--muted-d);font-size:.76rem}
.line-h b{color:#fff;font-weight:600}
.line ol{list-style:none;margin:0;padding:8px 0}
.line li{display:grid;grid-template-columns:30px 1fr auto;gap:8px;align-items:center;padding:13px 18px;border-bottom:1px dashed #262a35;color:#7f8695;font-family:var(--sans);font-size:.95rem;animation:lit 10s infinite}
.line li:last-child{border:0}
.line li span{font-family:var(--mono);font-size:.74rem}
.line li i{font-style:normal;font-size:.78rem;font-weight:600;color:var(--cobalt-l);opacity:0;animation:tag 10s infinite}
.line li:nth-child(2),.line li:nth-child(2) i{animation-delay:1.6s}
.line li:nth-child(3),.line li:nth-child(3) i{animation-delay:3.2s}
.line li:nth-child(4),.line li:nth-child(4) i{animation-delay:4.8s}
.line li:nth-child(5),.line li:nth-child(5) i{animation-delay:6.4s}
@keyframes lit{0%,2%{color:#7f8695}5%,86%{color:#fff}96%,100%{color:#7f8695}}
@keyframes tag{0%,2%{opacity:0}5%,86%{opacity:1}96%,100%{opacity:0}}
.line .pub{margin:0;padding:15px 18px;border-top:1px solid var(--line-d);display:flex;justify-content:space-between;gap:12px;color:var(--muted-d);font-family:var(--sans);font-size:.84rem}
.line .pub b{color:#fff;font-weight:600}

/* 공통 구역 */
.sec{padding:112px 0}
.sec.dark{background:var(--ink);color:#fff}
.sec.white{background:var(--white)}
.head{max-width:760px;margin-bottom:60px}
.head h2{font-size:clamp(2rem,3.7vw,3.3rem);margin-top:14px}
.head p{margin-top:18px;font-size:1.1rem;color:var(--muted)}
.dark .head p{color:var(--muted-d)}

/* 막히는 곳 */
.walls{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--text)}
.wall{padding:30px 30px 34px 0;border-right:1px solid var(--line)}
.wall+.wall{padding-left:30px}
.wall:last-child{border:0}
.wall b{font-family:var(--mono);font-size:.78rem;color:var(--seal);font-weight:600}
.wall h3{font-size:1.5rem;margin:14px 0 12px}
.wall p{color:var(--muted)}
.story{margin-top:56px;padding:34px 38px;background:var(--ink);color:#fff;border-left:5px solid var(--seal);font-size:1.13rem}
.story small{display:block;margin-top:14px;font-size:.86rem;color:var(--muted-d)}

/* 진행 순서 */
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:110px 1fr 1.25fr;gap:24px;padding:30px 0;border-top:1px solid var(--line-d);align-items:baseline}
.steps li:before{content:"0" counter(s);font-family:var(--mono);font-size:1.7rem;color:var(--cobalt-l)}
.steps h3{font-size:1.45rem}
.steps p{color:var(--muted-d)}

/* 서비스 */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc article{background:#fff;padding:38px 36px 42px;transition:background .2s,color .2s}
.svc article:hover{background:var(--cobalt);color:#fff}
.svc article:hover p,.svc article:hover li{color:#e4e7ff}
.svc article:hover .label{color:#fff}
.svc h3{font-size:1.65rem;margin:12px 0}
.svc p{color:var(--muted)}
.svc ul{margin:16px 0 0;padding-left:18px;color:var(--muted)}
.note{margin-top:22px;font-size:.88rem;color:var(--muted)}

/* 철학 */
.phil{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.phil-img{position:absolute;inset:0 0 0 auto;width:56%;background:var(--ink) url(seal.jpg) center 30%/cover no-repeat}
.phil:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 44%,#0b0d12d9 62%,#0b0d1233 88%)}
.phil .wrap{position:relative;z-index:1;padding:128px 0}
.phil h2{font-size:clamp(2.3rem,5vw,4.6rem);max-width:13em;margin-top:16px}
.vows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;max-width:860px;margin-top:50px;list-style:none;padding:0}
.vows li{padding:17px 0;border-top:1px solid #ffffff38;font-weight:500}
.excl{margin-top:30px;max-width:760px;font-size:.92rem;color:#c3c8d3}

/* 사례 */
.case{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.case h2{font-size:clamp(2rem,3.5vw,3.1rem);margin-top:14px}
.facts{margin:0;border-top:2px solid var(--text)}
.facts div{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.facts dt{font-weight:700}
.facts dd{margin:0;color:var(--muted)}

/* 표 */
.scroll{overflow-x:auto;border:1px solid var(--line);background:#fff}
table{border-collapse:collapse;width:100%;min-width:720px}
th a{text-underline-offset:3px}
th,td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;font-size:.96rem}
thead th{background:var(--ink);color:#fff;font-weight:700}
tbody th{font-weight:700;white-space:nowrap}
tbody tr:last-child>*{border-bottom:0}
tr.us{background:#eef0ff}
.src{margin-top:14px;font-size:.84rem;color:var(--muted)}

/* 안 받는 것 */
.no{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.no li{border:1px solid #515768;padding:10px 18px;border-radius:50px}

/* 질문 */
.faq{border-top:2px solid var(--text)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:24px 0;font-size:1.18rem;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--mono);color:var(--cobalt);font-size:1.35rem;line-height:1.2}
.faq details[open] summary:after{content:"−"}
.faq p{padding:0 40px 26px 0;color:var(--muted);max-width:50em}
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guides a{display:block;padding:28px;background:#fff;border:1px solid var(--line);text-decoration:none;transition:transform .16s,border-color .16s}
.guides a:hover{transform:translateY(-3px);border-color:var(--cobalt)}
.guides b{display:block;font-size:1.18rem;line-height:1.35;letter-spacing:-.02em}
.guides span{display:block;margin-top:10px;color:var(--muted);font-size:.93rem}

/* 마지막 문의 */
.final{background:var(--cobalt);color:#fff;padding:104px 0}
.final-in{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap}
.final h2{font-size:clamp(2.2rem,4.8vw,4.3rem);max-width:13em}
.final p{margin-top:18px;font-size:1.1rem;max-width:34em;color:#e7e9ff}
.final .btn{background:#fff;color:var(--ink)}
.final .btn:hover{background:var(--ink);color:#fff}
.final-cta{display:flex;gap:10px;flex-wrap:wrap}
.final .btn-line{background:transparent;border:1px solid #fff;color:#fff}
.final .btn-line:hover{background:#fff;color:var(--ink)}

/* 바닥글 */
.foot{background:var(--ink);color:var(--muted-d);padding:48px 0;font-size:.87rem}
.foot-in{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.foot .brand{color:#fff;margin-bottom:12px}
.foot-nav{display:flex;gap:18px;flex-wrap:wrap}

/* 안내 글 */
.art{padding:64px 0 96px}
.art-in{width:min(100% - 48px,780px);margin-inline:auto}
.art h1{font-size:clamp(2.1rem,4.6vw,3.5rem);margin:14px 0 18px}
.art .meta{color:var(--muted);font-size:.9rem;margin-bottom:34px}
.answer{background:var(--ink);color:#fff;padding:26px 30px;border-left:5px solid var(--cobalt);font-size:1.1rem;margin-bottom:40px}
.art h2{font-size:1.65rem;margin:50px 0 14px}
.art p{margin:14px 0}
.art ul,.art ol{padding-left:22px}
.art li{margin:8px 0}
.art a{color:var(--cobalt)}
.art table{min-width:560px}
.next{margin-top:56px;padding:30px;background:#fff;border:1px solid var(--line)}

/* 나타나는 효과 */
.rv{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.rv.on{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}

@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;padding:118px 0 70px;min-height:0}
  .case{grid-template-columns:1fr;gap:34px}
  .steps li{grid-template-columns:70px 1fr}
  .steps p{grid-column:2}
  .guides{grid-template-columns:1fr}
  .sec{padding:80px 0}
}
@media (max-width:760px){
  .wrap{width:min(100% - 36px,var(--wrap))}
  .nav a:not(.call){display:none}
  .walls,.svc,.vows{grid-template-columns:1fr}
  .wall,.wall+.wall{padding:26px 0;border-right:0;border-bottom:1px solid var(--line)}
  .svc article{padding:30px 24px}
  .story{padding:26px 22px}
  .phil .wrap{padding:88px 0}
  .phil-img{width:100%}
  .phil:after{background:#0b0d12cf}
  .facts div{grid-template-columns:1fr;gap:4px}
  .faq p{padding-right:0}
  .btn{width:100%}
  .line-h span:last-child{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .line li,.line li i{animation:none;color:#fff;opacity:1}
  .rv{opacity:1;transform:none;transition:none}
  .btn,.guides a{transition:none}
}