/* insight 행정사사무소 — 화이트 + 잉크 블랙 + 트러스트 블루 */
:root{
  --ink:#16181D; --tx:#2B2F36; --tx-2:#5A606B; --tx-3:#8C929C;
  --blue:#1F63D6; --blue-2:#1753B8; --blue-soft:#EEF3FC;
  --gray:#F4F6FA; --line:#E6E9EF; --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,system-ui,sans-serif;color:var(--tx);background:#fff;line-height:1.7;letter-spacing:-.015em;word-break:keep-all;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
b,strong{font-weight:700;color:var(--ink)}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.wrap-narrow,.narrow{max-width:860px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--blue);margin-bottom:14px}
.big{font-size:clamp(30px,3.8vw,48px);line-height:1.28;letter-spacing:-.045em;font-weight:800;color:var(--ink)}
.big em,.page-title em{font-style:normal;color:var(--blue)}
.desc{margin-top:18px;font-size:16px;color:var(--tx-2)}

/* header */
.hd{position:fixed;inset:0 0 auto;z-index:60;transition:background .3s,box-shadow .3s}
.is-sub .hd,.scrolled .hd{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.hd-in{display:flex;align-items:center;gap:40px;height:76px}
.logo img{height:42px;width:auto;filter:brightness(0)}
.is-home:not(.scrolled) .logo img{filter:brightness(0) invert(1)}
.nav{display:flex;gap:34px;font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--tx-2)}
.is-home:not(.scrolled) .nav{color:rgba(255,255,255,.75)}
.nav a:hover{color:var(--blue)}
.is-home:not(.scrolled) .nav a:hover{color:#fff}
.hd-cta{margin-left:auto;display:flex;gap:6px}
.pill{font-size:13px;font-weight:800;padding:8px 16px;border-radius:999px;color:#fff;transition:.2s}
.pill-blue{background:var(--blue)} .pill-blue:hover{background:var(--blue-2)}
.pill-dark{background:var(--ink)} .pill-dark:hover{background:#000}

/* buttons */
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.btns.center{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:150px;padding:15px 30px;border-radius:999px;font-size:15px;font-weight:700;transition:.2s}
.btn-sm{min-width:0;padding:12px 24px;font-size:14px}
.btn-blue{background:var(--blue);color:#fff} .btn-blue:hover{background:var(--blue-2);transform:translateY(-2px)}
.btn-black{background:var(--ink);color:#fff} .btn-black:hover{background:#000;transform:translateY(-2px)}
.btn-line{color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)} .btn-line:hover{background:rgba(255,255,255,.1)}
.btn-outline{color:var(--blue);box-shadow:inset 0 0 0 1.5px var(--blue)} .btn-outline:hover{background:var(--blue-soft)}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#0B0D11}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45;animation:zoom 18s ease-out both}
@keyframes zoom{from{transform:scale(1.12)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,17,.85) 0%,rgba(11,13,17,.35) 70%),linear-gradient(0deg,rgba(11,13,17,.6),transparent 40%)}
.hero-in{position:relative;z-index:1;width:100%;padding-top:110px;padding-bottom:110px}
.hero h1 .en{display:block;font-size:clamp(54px,8.4vw,112px);font-weight:900;line-height:.98;letter-spacing:-.045em;animation:up .9s .1s both}
.hero h1 .ko{display:block;margin-top:30px;font-size:clamp(19px,2vw,24px);font-weight:700;color:#6FA3FF;letter-spacing:-.03em;animation:up .9s .25s both}
.hero-lead{margin-top:18px;max-width:640px;font-size:16px;color:rgba(255,255,255,.72);animation:up .9s .4s both}
.hero-lead b{color:#fff}
.hero-sub{margin-top:14px;font-size:clamp(18px,1.8vw,22px);font-weight:800;animation:up .9s .5s both}
.hero-tags{margin-top:26px;font-size:14px;color:rgba(255,255,255,.6);animation:up .9s .6s both}
.hero .btns{animation:up .9s .7s both}
@keyframes up{from{opacity:0;transform:translateY(28px)}}
.scroll{position:absolute;z-index:1;left:50%;bottom:28px;transform:translateX(-50%);font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.55);padding-bottom:46px}
.scroll::after{content:"";position:absolute;left:50%;bottom:0;width:1px;height:38px;background:linear-gradient(#6FA3FF,transparent);animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* sections */
.sec{padding:130px 0}
.sec-gray{background:var(--gray)}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}
.statement p{font-size:17px;color:var(--tx-2);margin-bottom:18px}

/* services — 엇갈린 카드 */
.work{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.work-head{position:sticky;top:130px}
.work-head .btn{margin-top:32px}
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.work-grid>:nth-child(even){margin-top:90px}
.card{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);transition:box-shadow .3s,opacity .8s,transform .8s}
.card:hover{box-shadow:0 24px 48px -24px rgba(22,24,29,.25)}
.card-img{position:relative;aspect-ratio:4/4.2;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.card:hover .card-img img{transform:scale(1.06)}
.card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,13,17,.8),transparent 55%)}
.card-cap{position:absolute;z-index:1;left:22px;bottom:18px;color:#fff}
.card-cap span{font-size:11px;font-weight:800;letter-spacing:.14em;color:#6FA3FF}
.card-cap h3{font-size:24px;font-weight:800;letter-spacing:-.03em}
.card-body{padding:24px 24px 28px}
.card-title{font-size:18px;font-weight:800;color:var(--ink);line-height:1.45;margin-bottom:10px}
.card-body p{font-size:14px;color:var(--tx-2)}
.card-body ul{list-style:none;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.card-body li{font-size:14px;font-weight:600;padding:3px 0 3px 18px;position:relative;color:var(--tx)}
.card-body li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.card-blue{background:var(--blue);border:0;color:#fff;padding:34px 28px;display:flex;flex-direction:column;gap:14px;align-self:start}
.card-blue span{font-size:11px;font-weight:800;letter-spacing:.14em;color:rgba(255,255,255,.7)}
.card-blue h3{font-size:24px;line-height:1.35;letter-spacing:-.03em}
.card-blue p{font-size:14px;color:rgba(255,255,255,.82)}
.card-blue a{margin-top:10px;font-weight:700;font-size:14px}

/* topics marquee */
.topics{padding-top:150px;overflow:hidden}
.chips-mq{margin-top:48px;display:grid;gap:12px;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.mq-row{overflow:hidden}
.mq-row>div{display:flex;gap:10px;width:max-content;animation:mq 70s linear infinite}
.mq-row.rev>div{animation-direction:reverse}
.mq-row:hover>div{animation-play-state:paused}
.mq-row a{white-space:nowrap;font-size:14px;font-weight:600;color:var(--tx-2);padding:10px 20px;border:1px solid var(--line);border-radius:999px;background:#fff;transition:.2s}
.mq-row a:hover{color:var(--blue);border-color:var(--blue)}
@keyframes mq{to{transform:translateX(-50%)}}

/* stats + ceo */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px}
.stats div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px}
.stats b{display:block;font-size:40px;font-weight:800;letter-spacing:-.04em;color:var(--blue);line-height:1.1}
.stats small{font-size:17px;margin-left:3px}
.stats span{display:block;margin-top:8px;font-size:14px;color:var(--tx-2)}
.ceo{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;margin-top:100px;align-items:center}
.ceo-photo img{border-radius:24px;aspect-ratio:4/5;object-fit:cover;object-position:center 15%}
.ceo-body h3{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.04em;color:var(--ink);margin-bottom:22px}
.ceo-body>p{color:var(--tx-2);margin-bottom:14px}
.ceo-list{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.ceo-list li{display:flex;gap:18px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
.ceo-list span{flex:none;width:96px;font-weight:800;color:var(--blue);font-size:14px}
.sign{width:110px;margin-top:28px;opacity:.85}

/* accordion (process + faq) */
.acc{margin-top:48px;border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 4px}
.acc summary::-webkit-details-marker{display:none}
.acc summary h3{font-size:clamp(18px,2vw,22px);font-weight:800;letter-spacing:-.03em;color:var(--ink)}
.acc summary em{font-style:normal;color:var(--blue);margin-right:4px}
.acc summary::after{content:"";flex:none;width:9px;height:9px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);transition:.3s;margin-right:6px}
.acc details[open] summary::after{transform:rotate(-135deg)}
.acc details[open] summary h3{color:var(--blue)}
.acc details>p{padding:0 4px 30px;max-width:720px;color:var(--tx-2);font-size:16px}
.faq summary h3{font-size:clamp(17px,1.8vw,20px)}
.small-link{margin-top:14px;font-size:14px;color:var(--tx-2)}
.small-link a,.more-link{color:var(--blue);font-weight:700}

/* tables */
.tbl-title{margin-top:64px;font-size:18px;color:var(--ink)}
.tbl-title small{font-size:13px;color:var(--tx-3);font-weight:500;margin-left:6px}
.tbl-wrap{margin-top:16px;overflow-x:auto;border-top:2px solid var(--ink)}
.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
.tbl th{text-align:left;font-size:13px;color:var(--tx-3);padding:16px 18px;border-bottom:1px solid var(--line)}
.tbl td{padding:18px;border-bottom:1px solid var(--line);color:var(--tx-2)}
.tbl td:first-child{font-weight:700;color:var(--ink)}
.tbl td:last-child{font-weight:800;color:var(--blue)}
.tbl-sm{min-width:0;max-width:420px;margin:28px 0 8px;border-top:2px solid var(--ink)}
.tbl-sm td,.tbl-sm th{padding:10px 14px}

/* columns */
.row-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.col-card{display:flex;flex-direction:column;gap:12px;padding:28px;border-radius:var(--r);background:#fff;border:1px solid var(--line);transition:.25s}
.col-card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 20px 40px -24px rgba(31,99,214,.35)}
.col-card h3,.col-card h2{font-size:18px;line-height:1.45;letter-spacing:-.03em;font-weight:800;color:var(--ink)}
.col-card p{font-size:14px;color:var(--tx-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.col-card .meta{margin-top:auto;font-size:13px;color:var(--tx-3)}
.col-card[hidden]{display:none}
.tag{align-self:flex-start;display:inline-block;font-size:12px;font-weight:800;color:var(--blue);background:var(--blue-soft);padding:4px 11px;border-radius:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.chip{font:inherit;font-size:14px;font-weight:700;padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--tx-2);cursor:pointer;transition:.2s}
.chip:hover{color:var(--blue);border-color:var(--blue)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* cta band */
.cta{background:linear-gradient(120deg,#1A56C4,#2A74E8);color:#fff;padding:110px 0}
.cta h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.04em;line-height:1.3}
.cta>div>p{margin-top:14px;color:rgba(255,255,255,.8)}
.cta .btn-line{box-shadow:inset 0 0 0 1px rgba(255,255,255,.7)}
.cta-info{margin-top:28px;font-size:14px}
.cta-info a:hover{color:#fff;text-decoration:underline}

/* quick */
.quick{position:fixed;right:22px;bottom:22px;z-index:55;display:grid;gap:8px}
.quick a{display:flex;align-items:center;gap:10px;min-width:168px;padding:12px 16px;border-radius:14px;font-size:14px;font-weight:700;box-shadow:0 12px 28px -12px rgba(0,0,0,.35);transition:.2s}
.quick a:hover{transform:translateX(-4px)}
.quick i{font-style:normal;display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.18);font-size:13px}
.q-blue{background:var(--blue);color:#fff}
.q-dark{background:var(--ink);color:#fff}
.q-light{background:#E9ECF2;color:var(--ink)} .q-light i{background:#fff}

/* footer */
.ft{background:var(--gray);padding:70px 0 34px;font-size:13px;color:var(--tx-2)}
.ft-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.ft-top p{margin-bottom:4px}
.ft-top .ft-brand{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.03em;margin-bottom:22px}
.ft-top .ft-label{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--blue);margin-bottom:10px}
.ft-contact{text-align:right}
.ft-contact b{margin-right:4px}
.ft-link{color:var(--blue);font-weight:700}
.ft-nav{display:flex;flex-wrap:wrap;gap:6px 28px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);font-weight:600;color:var(--tx)}
.ft-nav a:hover{color:var(--blue)}
.ft-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:36px;font-size:12px;color:var(--tx-3)}

/* sub pages */
.page{padding:150px 0 130px}
.crumb{font-size:13px;color:var(--tx-3);margin-bottom:24px}
.crumb a:hover{color:var(--blue)} .crumb span{margin:0 6px;opacity:.5}
.page-title{font-size:clamp(38px,5.6vw,72px);letter-spacing:-.05em;line-height:1.1;font-weight:900;color:var(--ink)}
.lead-dark{margin-top:20px;font-size:17px;color:var(--tx-2);max-width:720px}
.post-title{font-size:clamp(28px,4vw,42px);line-height:1.3;letter-spacing:-.04em;font-weight:800;color:var(--ink);margin:16px 0}
.post-lead{font-size:18px;color:var(--tx-2);padding-left:18px;border-left:3px solid var(--blue)}
.post-meta{display:flex;align-items:center;gap:12px;margin:30px 0 44px;padding-bottom:26px;border-bottom:1px solid var(--line);font-size:13px;color:var(--tx-3);line-height:1.5}
.post-meta img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.post-body{font-size:17px;line-height:1.9;color:#2F333A;user-select:none;-webkit-user-select:none}
.post-body p{margin-bottom:22px}
.post-body h2{font-size:24px;line-height:1.4;letter-spacing:-.03em;color:var(--ink);margin:56px 0 18px}
.post-body h3{font-size:19px;color:var(--ink);margin:36px 0 12px}
.post-body ul,.post-body ol{margin:0 0 22px 22px}
.post-body li{margin-bottom:8px}
.post-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.post-body .hl{background:linear-gradient(transparent 60%,#DCE7FB 60%);font-weight:600}
.post-body blockquote{margin:28px 0;padding:22px 26px;border-radius:14px;background:var(--blue-soft);border-left:4px solid var(--blue);color:var(--ink)}
.post-body blockquote p:last-child{margin:0}
.post-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.post-body img{border-radius:14px;margin:28px 0;border:1px solid var(--line)}
.post-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;line-height:1.6;display:block;overflow-x:auto;border-top:2px solid var(--ink)}
.post-body table tbody{display:table;width:100%}
.post-body td,.post-body th{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.post-body tr:first-child td,.post-body th{font-weight:800;color:var(--ink);font-size:14px}
.signoff{margin-top:72px;padding:40px;border-radius:20px;background:var(--gray)}
.signoff>p:not(.eyebrow){color:var(--tx-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.signoff small{display:block;margin-top:24px;font-size:12px;color:var(--tx-3)}
.related{margin-top:56px}
.related h2{font-size:20px;color:var(--ink);margin-bottom:10px}
.related ul{list-style:none}
.related li a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-weight:600}
.related li a:hover{color:var(--blue)}
.faq-wrap{margin-top:110px}
.faq .more{color:var(--blue);font-weight:700;white-space:nowrap}

/* reveal */
.rv{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* responsive */
@media (max-width:1024px){
  .nav{display:none}
  .split,.work,.ceo{grid-template-columns:1fr;gap:44px}
  .work-head{position:static}
  .stats{grid-template-columns:1fr 1fr}
  .col-grid{grid-template-columns:1fr 1fr}
  .ceo-photo{max-width:420px}
}
@media (max-width:680px){
  .wrap{padding:0 20px}
  .hd-in{height:64px}
  .logo img{height:34px}
  .pill-dark{display:none}
  .sec{padding:90px 0}
  .topics{padding-top:90px}
  .work-grid,.col-grid{grid-template-columns:1fr}
  .work-grid>:nth-child(even){margin-top:0}
  .stats b{font-size:32px}
  .stats div{padding:22px 18px}
  .quick{left:12px;right:12px;bottom:12px;grid-template-columns:repeat(3,1fr);gap:6px}
  .quick a{min-width:0;justify-content:center;flex-direction:column;gap:2px;padding:9px 4px;font-size:12px}
  .quick i{width:auto;height:auto;background:none!important}
  .ft{padding-bottom:110px}
  .ft-contact{text-align:left}
  .signoff{padding:28px 22px}
  .ceo-list li{flex-direction:column;gap:2px}
}