:root{
  color-scheme:dark;
  --bg:#101626; --fg:#eef2fb; --mute:#a4b0cc; --line:rgba(157,190,242,.18);
  --accent:#7FA8EC; --accent2:#9DBEF2; --brand:#3F6FC9;
  --glass:rgba(16,22,38,.62); --glass2:rgba(24,33,58,.55);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;color:var(--fg);font:16px/1.75 "Pretendard Variable","Pretendard",system-ui,-apple-system,"Segoe UI","Malgun Gothic",sans-serif;-webkit-font-smoothing:antialiased;word-break:keep-all;background:transparent;overflow-x:clip}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}

/* 배경 장면 (bg.js). WebGL이 안 되면 격자 무늬로 대체 */
/* 높이는 주소창이 숨었을 때 기준(lvh). 폰에서 주소창이 들어갔다 나올 때마다 장면 버퍼를 다시 만들지 않게 */
#bg{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100lvh;z-index:-2;display:block}
.no-webgl body{background:radial-gradient(1200px 700px at 75% 20%,#1d2c52,transparent 60%),linear-gradient(#101626,#0c1120)}
.no-webgl body::before{content:"";position:fixed;inset:0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;opacity:.5}
/* 글자가 읽히도록 왼쪽을 어둡게 눌러 주는 막 */
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(16,22,38,.8) 0%,rgba(16,22,38,.5) 38%,rgba(16,22,38,.05) 70%),linear-gradient(180deg,rgba(16,22,38,.5),transparent 18%,transparent 70%,rgba(16,22,38,.7))}
@media(max-width:900px){body::after{background:rgba(16,22,38,.62)}}

.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:10;background:rgba(16,22,38,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center}
.brand img{height:34px;width:auto;display:block}
nav a{color:var(--mute);margin-left:26px;font-size:15px;white-space:nowrap}
nav a[aria-current="page"],nav a:hover{color:var(--fg);text-decoration:none}

h1{font-size:clamp(38px,6.4vw,76px);line-height:1.12;letter-spacing:-.02em;margin:0 0 20px;font-weight:700}
h2{font-size:clamp(26px,3vw,34px);line-height:1.3;letter-spacing:-.02em;margin:120px 0 28px;font-weight:700}
h2::before{content:"";display:block;width:32px;height:2px;background:var(--accent);margin-bottom:16px}
h3{font-size:19px;letter-spacing:-.01em;margin:0 0 6px}
p{margin:0 0 14px}
.mute{color:var(--mute)}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--mute);max-width:560px}
/* 홈 히어로: 무엇을 하는 회사인지 한 줄로. 바로 아래 .lead가 보조 문장 */
.lead-sum{font-size:clamp(18px,2vw,23px);font-weight:600;color:var(--fg);line-height:1.5;margin:0 0 6px;max-width:620px}
.lead-sum + .lead{margin-top:0}
.lead br.wide{display:none}
@media(min-width:701px){.lead br.wide{display:inline}}
.page-title{font-size:clamp(34px,5vw,56px);margin:64px 0 12px}

.hero{min-height:calc(100vh - 64px);display:flex;flex-direction:column;justify-content:center;padding:32px 0 72px;max-width:640px}
.tag,.pj-tag{font-family:"Montserrat","Pretendard Variable",sans-serif}
.tag{color:var(--accent);font-size:13px;letter-spacing:.2em;margin-bottom:18px}
.hero .grad{background:linear-gradient(100deg,#fff,#9DBEF2 60%,#7FA8EC);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}
.btn{display:inline-block;border:1px solid var(--accent);color:var(--fg);padding:11px 22px;border-radius:999px;font-size:15px;transition:background .2s,transform .2s}
.btn:hover{background:rgba(127,168,236,.16);text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--brand);border-color:var(--brand)}
.btn.primary:hover{background:#4f7fdc}

.glass,.card,.now{background:var(--glass);border:1px solid var(--line);border-radius:14px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.now{padding:18px 22px;margin:0 0 8px;max-width:760px}
.now .label{font-size:13px;color:var(--accent);font-weight:600}
.now p{margin:6px 0 0}
/* 홈 문의 구역: 메일 앱이 없어도 주소를 보고 복사할 수 있게 */
#contact{scroll-margin-top:88px}
.contact{background:var(--glass);border:1px solid var(--line);border-radius:14px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:24px 26px;max-width:760px}
.contact .label{font-size:13px;color:var(--accent);font-weight:600}
.contact .addr{font-size:clamp(20px,2.4vw,26px);font-weight:600;letter-spacing:-.01em;margin:4px 0 14px;user-select:all;overflow-wrap:anywhere}
.contact .cta{margin-top:0}
.contact .copied{font-size:14px;color:var(--accent2);margin:10px 0 0;min-height:1.75em}
nav a.nav-cta{color:var(--fg);border:1px solid var(--accent);border-radius:999px;padding:5px 14px}
nav a.nav-cta:hover,nav a.nav-cta[aria-current="page"]{background:var(--brand);border-color:var(--brand)}
.simple{margin-top:22px;color:var(--mute);font-size:15px}

/* 프로젝트 상담 (contact.html) */
.consult .lead{max-width:640px}
.steps{list-style:none;counter-reset:st;margin:0 0 18px;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;max-width:960px}
.steps li{counter-increment:st;background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:16px 18px 18px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.steps li::before{content:counter(st);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1px solid var(--accent);color:var(--accent2);font:600 14px "Montserrat",sans-serif;margin-bottom:10px}
.steps b{display:block;font-size:16px}
.steps em{font-style:normal;font-size:12.5px;font-weight:600;color:var(--accent2);border:1px solid var(--line);border-radius:999px;padding:1px 8px;margin-left:4px;white-space:nowrap}
.steps span{display:block;color:var(--mute);font-size:14.5px;margin-top:4px}
.form{padding:26px 28px;max-width:760px}
.form .req-note{font-size:13.5px;color:var(--mute);margin:0 0 16px}
.req{color:#f2a4a4;font-style:normal}
.row.two{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.fld{display:block;margin:0 0 20px;border:0;padding:0;min-width:0}
.fld>span,.fld legend{display:block;font-size:15px;font-weight:600;margin-bottom:7px;padding:0}
.fld input:not([type=radio]),.fld textarea{width:100%;font:inherit;font-size:16px;color:var(--fg);background:rgba(8,12,24,.55);border:1px solid rgba(157,190,242,.28);border-radius:10px;padding:10px 13px}
.fld textarea{resize:vertical;line-height:1.6}
.fld input::placeholder,.fld textarea::placeholder{color:#7d89a6}
.fld input:focus,.fld textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.fld .count,.fld .hint{display:block;font-size:13px;color:var(--mute);margin-top:5px}
.fld .count.ok{color:var(--accent2)}
.picks{display:flex;flex-wrap:wrap;gap:8px}
.picks legend{width:100%;float:left}
.picks label{position:relative}
.picks input{position:absolute;opacity:0;width:1px;height:1px}
.picks label span{display:inline-block;border:1px solid rgba(157,190,242,.28);border-radius:999px;padding:7px 15px;font-size:14.5px;color:var(--mute);background:rgba(8,12,24,.45);cursor:pointer;transition:background .15s,color .15s}
.picks label:hover span{color:var(--fg)}
.picks input:checked+span{background:var(--brand);border-color:var(--brand);color:#fff}
.picks input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.more-fields{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:4px 0 22px;padding:4px 0}
.more-fields summary{cursor:pointer;padding:12px 0;color:var(--accent2);font-weight:600}
.more-fields[open] summary{margin-bottom:10px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent .check{display:flex;gap:10px;align-items:flex-start;font-weight:600;cursor:pointer}
.consent .check input{width:18px;height:18px;margin:5px 0 0;accent-color:var(--brand);flex:none}
.consent-text{font-size:13.5px;line-height:1.65;color:var(--mute);margin:8px 0 18px 28px}
.consent-text p{margin:0 0 6px}
.captcha:not(:empty){margin:0 0 16px}
.form button[disabled]{opacity:.6;cursor:wait}
.form-msg{margin:14px 0 0;color:#f2c4a4;font-size:15px}
.form-msg:empty{display:none}
.done{padding:26px 28px;max-width:760px}
.done:focus{outline:none}
.done .rid{font-size:18px}
.done .rid b{font-family:"Montserrat",sans-serif;letter-spacing:.04em;color:var(--accent2)}
.faq{max-width:760px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:15px 0;font-weight:600;font-size:16.5px}
.faq summary::before{content:"Q. ";color:var(--accent)}
.faq p{color:var(--mute);margin:0 0 16px}
.doc h2{font-size:22px;margin:56px 0 16px}
.doc table{margin-bottom:14px}
@media(max-width:600px){.row.two{grid-template-columns:1fr}.form,.done{padding:20px 18px}.consent-text{margin-left:0}}
button.btn{font:inherit;font-size:15px;cursor:pointer;background:none}
button.btn.primary{background:var(--brand)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card{padding:24px 26px}
.grid.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:700px){.grid.two{grid-template-columns:1fr}}
.card p{font-size:15px;color:var(--mute);margin:0}
.card:hover{border-color:rgba(157,190,242,.4)}
.card .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;color:var(--accent2);background:linear-gradient(145deg,rgba(127,168,236,.18),rgba(63,111,201,.06));border:1px solid rgba(157,190,242,.22)}

table{border-collapse:collapse;width:100%;font-size:14.5px;background:var(--glass);border:1px solid var(--line);border-radius:14px;overflow:hidden;backdrop-filter:blur(12px)}
th,td{border-bottom:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
tr:last-child th,tr:last-child td{border-bottom:0}
th{color:var(--accent2);font-weight:600;white-space:nowrap}
/* 좁은 화면: 열이 많은 표(머리줄 있는 표)는 칸을 짜부라뜨리지 않고 옆으로 밀어 보게 한다. 오른쪽에 더 있으면(.more, work.html 스크립트) 끝을 흐리게 */
@media(max-width:700px){table:has(thead){display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}table:has(thead) td{min-width:8em}table:has(thead) td:first-child{min-width:0;white-space:nowrap}table:has(thead) td:nth-child(3){min-width:14em}table.more{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 56px),rgba(0,0,0,.15));mask-image:linear-gradient(90deg,#000 calc(100% - 56px),rgba(0,0,0,.15))}}
.case h3 small{color:var(--mute);font-weight:400;margin-left:8px;font-size:14px}
.case dl{margin:10px 0 0;font-size:15px}
.case dt{color:var(--accent2);font-size:13px;font-weight:600;margin-top:10px}
.case dd{margin:2px 0 0;color:var(--mute)}
/* 홈 대표 실적: 사진 카드. 누르면 work.html의 해당 사례로 */
.projects{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.projects a{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:rgba(14,19,34,.88);color:var(--fg);transition:border-color .25s,transform .25s}
.projects a:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-3px)}
.projects a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.projects img{display:block;width:100%;height:auto;aspect-ratio:4/3;background:#0c1120}
.pj-body{padding:14px 18px 18px}
.pj-tag{font-size:12px;letter-spacing:.08em;color:var(--accent2)}
.projects h3{margin:4px 0 4px;font-size:17px}
.projects p{margin:0;color:var(--mute);font-size:14.5px;line-height:1.6}
/* 사례 사진: 4:3 썸네일 (tools/photos.py가 img/work/에 만든다). 누르면 #lightbox로 크게 */
.shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:20px 0 0}
table + .shots{margin-top:16px}
.shots figure{margin:0}
.shots a{display:block;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#0c1120}
.shots img{display:block;width:100%;height:auto;aspect-ratio:4/3;transition:transform .35s,opacity .35s;opacity:.92}
.shots a:hover img{transform:scale(1.04);opacity:1}
.shots a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.shots figcaption{font-size:13px;line-height:1.5;color:var(--mute);margin-top:7px}
@media(max-width:700px){.shots{grid-template-columns:repeat(2,1fr);gap:10px}}
.lightbox{padding:0;border:0;background:none;max-width:96vw;max-height:96vh;overflow:visible;color:var(--fg)}
.lightbox::backdrop{background:rgba(8,11,20,.9)}
.lightbox img{display:block;max-width:94vw;max-height:86vh;width:auto;height:auto;margin:0 auto;border-radius:10px}
.lightbox p{text-align:center;font-size:14px;margin:10px 0 0}
.lightbox .close{position:fixed;top:12px;right:16px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:rgba(16,22,38,.7);color:var(--fg);font-size:26px;line-height:1;cursor:pointer}


footer{border-top:1px solid var(--line);margin-top:96px;padding:30px 0 56px;color:var(--mute);font-size:14px;background:rgba(16,22,38,.6);backdrop-filter:blur(10px)}
.term{font-family:ui-monospace,Consolas,monospace;color:var(--accent)}

@media(max-width:520px){header.site .wrap{height:56px}.brand img{height:26px}nav a{margin-left:14px;font-size:14px}th{white-space:normal}}
/* 폰: 메뉴 네 개가 한 줄에 안 들어가 '홈'은 로고로 대신하고 상담 버튼을 줄인다 */
@media(max-width:600px){nav a[href="/"]{display:none}nav a.nav-cta{padding:3px 10px}}
@media(max-width:380px){nav a{margin-left:10px;font-size:13px}.brand img{height:22px}}
/* 좁은 화면: 배경 장면이 매 프레임 바뀌어 유리 흐림(backdrop-filter)을 매번 다시 계산하느라 폰이 버벅인다. 흐림을 끄고 유리를 진하게 */
@media(max-width:900px){header.site,.glass,.card,.now,.contact,table,footer{backdrop-filter:none;-webkit-backdrop-filter:none}header.site{background:rgba(16,22,38,.92)}.glass,.card,.now,.contact,table{background:rgba(20,27,46,.9)}footer{background:rgba(16,22,38,.9)}}

/* ---- 모션 (html.motion-ok일 때만. 본문은 모션 없이도 그대로 보인다) ---- */
@view-transition{navigation:auto}
header.site{view-transition-name:site-header}
/* 글자를 transform으로 움직이면 부모의 background-clip:text가 그려지지 않아, 그라데이션을 글자마다 이어 붙인다 (motion.js가 --x/--y/--w/--h 지정) */
.motion-ok .hero .grad.split{background:none}
.motion-ok .hero .grad .ch{background:linear-gradient(100deg,#fff,#9DBEF2 60%,#7FA8EC) calc(var(--x) * -1) calc(var(--y) * -1)/var(--w) var(--h) no-repeat;-webkit-background-clip:text;background-clip:text;color:transparent}
.motion-ok .kinetic .ch{display:inline-block;white-space:pre;animation:gather 1.6s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i) * 70ms + .3s)}
@keyframes gather{
  from{opacity:0;transform:translate(var(--dx),var(--dy)) rotate(var(--r));filter:blur(6px)}
  to{opacity:1;transform:none;filter:none}
}
@supports (animation-timeline: view()){
  .motion-ok .grid .card,.motion-ok .case,.motion-ok .projects li{animation:card-in linear both;animation-timeline:view();animation-range:entry 0% entry 45%}
  @keyframes card-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}