:root{
  --navy:#1B3A5F;
  --navy-dark:#12283F;
  --navy-light:#2C5484;
  --gold:#C8A45C;
  --gold-dark:#A8853F;
  --ink:#1A1D21;
  --gray:#5A626B;
  --line:#E3E7EC;
  --bg:#FFFFFF;
  --bg-alt:#F6F8FA;
  --radius:8px;
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%;}
body{
  font-family:'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic','맑은 고딕','Noto Sans KR',sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;
  letter-spacing:-0.01em;word-break:keep-all;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.sec-label{display:inline-block;font-size:13px;letter-spacing:.16em;font-weight:700;color:var(--gold-dark);text-transform:uppercase;margin-bottom:14px;}
.sec-desc{color:var(--gray);font-size:16.5px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--gold-dark);
  background:rgba(200,164,92,.12);padding:3px 9px;border-radius:100px;margin:0 5px 5px 0;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;
  padding:0 28px;border-radius:var(--radius);font-size:15.5px;font-weight:700;
  transition:transform .18s ease,background .2s ease;cursor:pointer;border:0;
}
.btn-primary{background:var(--gold);color:var(--navy-dark);}
.btn-primary:hover{background:#D9B570;transform:translateY(-2px);}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);}
.nav.scrolled{box-shadow:0 2px 16px rgba(27,58,95,.08);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;flex-direction:column;line-height:1.2;}
.logo strong{font-size:19px;font-weight:800;color:var(--navy);letter-spacing:-0.03em;}
.logo span{font-size:10.5px;color:var(--gray);letter-spacing:.1em;font-weight:500;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{font-size:15px;font-weight:600;color:var(--ink);transition:color .2s;padding:8px 0;}
.nav-menu a:hover{color:var(--gold-dark);}
.nav-cta{background:var(--navy);color:#fff !important;padding:11px 20px !important;border-radius:var(--radius);font-size:14.5px;}
.nav-cta:hover{background:var(--navy-light);}
.hamburger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative;}
.hamburger span{display:block;position:absolute;left:11px;width:22px;height:2px;background:var(--navy);transition:transform .3s,opacity .2s;}
.hamburger span:nth-child(1){top:15px;}
.hamburger span:nth-child(2){top:21px;}
.hamburger span:nth-child(3){top:27px;}
.hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

main{margin-top:72px;}

/* ============ INSIGHT LIST ============ */
.insight-list{padding:64px 0 90px;}
.list-head{text-align:center;margin-bottom:52px;}
.list-head h1{font-size:36px;font-weight:800;letter-spacing:-0.03em;color:var(--navy);margin-bottom:14px;}
.list-head .sec-desc{max-width:640px;margin:0 auto;}

.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.ins-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ins-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(27,58,95,.1);border-color:#CFDAE6;}
.ins-link{display:flex;gap:20px;padding:20px;align-items:stretch;}
.ins-thumb{
  flex-shrink:0;width:150px;height:150px;border-radius:10px;overflow:hidden;
  background:linear-gradient(140deg,var(--navy),var(--navy-light));
  display:flex;align-items:center;justify-content:center;
}
.ins-thumb img{width:100%;height:100%;object-fit:cover;}
.ins-thumb-ph{color:rgba(255,255,255,.9);font-size:15px;font-weight:800;text-align:center;line-height:1.35;letter-spacing:.02em;}
.ins-text{display:flex;flex-direction:column;min-width:0;}
.ins-title{
  font-size:19px;font-weight:700;color:var(--navy);line-height:1.45;margin-bottom:9px;letter-spacing:-0.02em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ins-desc{
  font-size:14.5px;color:var(--gray);line-height:1.7;margin-bottom:auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ins-foot{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:14px;}
.ins-foot time{font-size:13px;color:#8A929B;flex-shrink:0;}
.ins-tags{display:flex;flex-wrap:wrap;}
.ins-tags .tag{font-size:11.5px;margin:0 4px 0 0;padding:2px 8px;}
.empty{text-align:center;color:var(--gray);padding:60px 0;font-size:16px;}

/* ============ POST DETAIL ============ */
.post{padding:40px 0 90px;}
.post-wrap{max-width:760px;margin:0 auto;padding:0 24px;}
.crumb{font-size:13.5px;color:#8A929B;margin-bottom:28px;}
.crumb a:hover{color:var(--gold-dark);}
.crumb span{margin:0 6px;}
.post-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:32px;}
.post-tags{margin-bottom:14px;}
.post-head h1{font-size:32px;font-weight:800;line-height:1.4;letter-spacing:-0.03em;color:var(--ink);margin-bottom:18px;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--gray);}
.post-meta .author{font-weight:700;color:var(--navy);}
.post-meta .dot{color:#C3CDD8;}
.post-hero{margin-bottom:36px;border-radius:12px;overflow:hidden;}
.post-hero img{width:100%;height:auto;}

.post-body{font-size:17px;line-height:1.9;color:#2A2E33;}
.post-body > *+*{margin-top:22px;}
.post-body h2{font-size:24px;font-weight:800;color:var(--navy);margin-top:46px;letter-spacing:-0.02em;padding-top:8px;}
.post-body h3{font-size:20px;font-weight:700;color:var(--navy);margin-top:36px;}
.post-body p{word-break:keep-all;}
.post-body a{color:var(--navy-light);text-decoration:underline;text-underline-offset:3px;}
.post-body ul,.post-body ol{padding-left:22px;}
.post-body ul{list-style:disc;}
.post-body ol{list-style:decimal;}
.post-body li{margin-top:8px;}
.post-body img{border-radius:10px;margin:28px auto;}
.post-body blockquote{
  border-left:4px solid var(--gold);background:var(--bg-alt);
  padding:16px 22px;border-radius:0 var(--radius) var(--radius) 0;color:var(--gray);
}
.post-body code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-size:.9em;}
.post-body pre{background:var(--navy-dark);color:#EAF0F6;padding:18px;border-radius:var(--radius);overflow-x:auto;}
.post-body pre code{background:none;padding:0;}
.post-body hr{border:0;border-top:1px solid var(--line);}
.post-body table{width:100%;border-collapse:collapse;font-size:15px;}
.post-body th,.post-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.post-body th{background:var(--bg-alt);font-weight:700;color:var(--navy);}

.post-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line);}
.post-share{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--bg-alt);border-radius:12px;padding:24px 28px;margin-bottom:28px;
}
.post-share span{font-size:16px;font-weight:700;color:var(--navy);}
.back-link{display:inline-block;font-size:15px;font-weight:600;color:var(--gray);}
.back-link:hover{color:var(--navy);}

/* FOOTER */
footer{background:#0E2033;color:rgba(255,255,255,.62);padding:60px 0 64px;font-size:14px;}
.f-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);}
.f-brand strong{display:block;font-size:19px;color:#fff;font-weight:800;margin-bottom:6px;letter-spacing:-0.03em;}
.f-brand span{font-size:11.5px;letter-spacing:.1em;color:rgba(255,255,255,.4);display:block;margin-bottom:16px;}
.f-brand p{line-height:1.9;}
footer h3{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:700;}
footer ul li{padding:5px 0;}
footer a:hover{color:var(--gold);}
.f-kakao{display:inline-flex;align-items:center;gap:8px;background:#FEE500;color:#3C1E1E !important;font-weight:700;font-size:14px;padding:11px 18px;border-radius:var(--radius);margin-top:8px;min-height:44px;}
.f-bot{padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);}

/* ============ RESPONSIVE ============ */
@media (max-width:820px){
  .cards{grid-template-columns:1fr;}
  .f-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 10px 24px rgba(0,0,0,.08);}
  .nav-menu.open{display:flex;}
  .nav-menu a{padding:14px 4px;min-height:44px;display:flex;align-items:center;border-bottom:1px solid var(--line);}
  .nav-menu a:last-child{border-bottom:0;}
  .nav-cta{margin-top:12px;justify-content:center;}
  .hamburger{display:block;}
  .list-head h1{font-size:28px;}
  .post-head h1{font-size:25px;}
  .post-body{font-size:16px;}
  .post-body h2{font-size:21px;}
  .f-top{grid-template-columns:1fr;gap:30px;}
  .btn{width:100%;}
}
@media (max-width:520px){
  .ins-link{flex-direction:column;gap:14px;padding:16px;}
  .ins-thumb{width:100%;height:190px;}
  .ins-title{font-size:18px;}
  .post-share{flex-direction:column;align-items:stretch;text-align:center;}
}