/* =========================================================
   김희성 변호사 · 법무법인(유한) 강남
   Design System — Premium navy + restrained gold
   ========================================================= */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;500;600;700&display=swap');

:root{
  /* palette */
  --navy:#1f2d4d;
  --navy-700:#172238;
  --navy-900:#0f172a;
  --ink:#26262b;
  --ink-soft:#55555f;
  --muted:#86868f;
  --paper:#f7f5f0;
  --paper-2:#efece4;
  --white:#ffffff;
  --line:#e2ddd2;
  --line-strong:#cfc8b8;
  --gold:#a6884f;
  --gold-soft:#c4ab78;
  --gold-tint:#f1ead9;

  /* type */
  --serif:'Noto Serif KR', serif;
  --sans:'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* metrics */
  --nav-h:74px;
  --container:1180px;
  --radius:4px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

/* ---------- typography helpers ---------- */
.serif{font-family:var(--serif);}
.eyebrow{
  font-size:12.5px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin:0 0 18px;
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);display:inline-block;}
.eyebrow.center{justify-content:center;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--navy);line-height:1.3;margin:0;}
.lead{font-size:18px;color:var(--ink-soft);font-weight:400;}
.kor-tight{word-break:keep-all;}

/* ---------- layout ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:108px 0;}
.section.tight{padding:72px 0;}
.section.dark{background:var(--navy);color:#e7e9ef;}
.section.dark h1,.section.dark h2,.section.dark h3{color:#fff;}
.section.alt{background:var(--white);}
.divider{height:1px;background:var(--line);border:none;margin:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--sans);font-weight:600;font-size:15px;
  padding:14px 28px;border-radius:var(--radius);border:1px solid transparent;
  cursor:pointer;transition:.22s ease;white-space:nowrap;letter-spacing:.01em;
}
.btn-primary{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn-primary:hover{background:var(--navy-700);}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold);}
.btn-gold:hover{background:#94793f;}
.btn-kakao{background:#FAE100;color:#3a2a00;border-color:#FAE100;}
.btn-kakao:hover{background:#ecd400;}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--navy);}
.section.dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);}
.section.dark .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-lg{padding:17px 36px;font-size:16px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(247,245,240,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:.3s;
}
.site-header.solid{background:var(--navy);border-bottom-color:transparent;}
.site-header .container{display:flex;align-items:center;width:100%;}
.brand{display:flex;align-items:center;gap:14px;}
.brand .logo{height:38px;width:auto;display:block;transition:.3s;}
.brand .bt{font-family:var(--serif);font-weight:600;font-size:17px;color:var(--navy);line-height:1.2;padding-left:14px;border-left:1px solid var(--line-strong);white-space:nowrap;}
.site-header.solid .brand .bt{color:#fff;border-left-color:rgba(255,255,255,.3);}
.site-header.solid .brand .logo{filter:brightness(0) invert(1);}

.nav{margin-left:auto;display:flex;align-items:center;gap:28px;}
.nav a{
  font-size:15.5px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;
  transition:.2s;white-space:nowrap;
}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--gold);transition:.25s;}
.nav a:hover,.nav a.active{color:var(--navy);}
.nav a.active::after{width:100%;}
.site-header.solid .nav a{color:#cfd4e0;}
.site-header.solid .nav a:hover,.site-header.solid .nav a.active{color:#fff;}
.nav .nav-cta{
  margin-left:6px;background:var(--navy);color:#fff;padding:10px 20px;border-radius:var(--radius);font-weight:600;
}
.nav .nav-cta:hover{background:var(--navy-700);}
.nav .nav-cta::after{display:none;}
.site-header.solid .nav-cta{background:var(--gold);color:#fff;}

.menu-toggle{display:none;margin-left:auto;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px;}
.menu-toggle span{width:24px;height:2px;background:var(--navy);display:block;transition:.2s;}
.site-header.solid .menu-toggle span{background:#fff;}

/* mobile drawer */
.mobile-nav{
  position:fixed;inset:0 0 0 auto;width:min(82vw,340px);z-index:120;
  background:var(--navy);color:#fff;transform:translateX(100%);transition:.3s;
  padding:96px 32px 32px;display:flex;flex-direction:column;gap:6px;
}
.mobile-nav.open{transform:translateX(0);box-shadow:-20px 0 60px rgba(0,0,0,.4);}
.mobile-nav a{font-size:18px;font-family:var(--serif);padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.mobile-nav .m-actions{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.scrim{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:110;opacity:0;pointer-events:none;transition:.3s;}
.scrim.open{opacity:1;pointer-events:auto;}

/* ---------- floating quick rail ---------- */
.quick-rail{
  position:fixed;right:22px;bottom:28px;z-index:90;
  display:flex;flex-direction:column;gap:10px;
}
.quick-rail a{
  width:60px;height:60px;border-radius:50%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;
  font-size:10.5px;font-weight:600;color:#fff;background:var(--navy);
  box-shadow:0 8px 22px rgba(15,23,42,.28);transition:.2s;border:1px solid rgba(255,255,255,.08);
}
.quick-rail a:hover{transform:translateY(-3px);}
.quick-rail a .ic{font-size:19px;line-height:1;}
.quick-rail a.kakao{background:#FAE100;color:#3a2a00;}
.quick-rail a.gold{background:var(--gold);}
.quick-rail .top{width:44px;height:44px;align-self:center;background:var(--white);color:var(--navy);border:1px solid var(--line-strong);font-size:16px;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#aeb4c2;padding:64px 0 40px;font-size:14px;}
.site-footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;align-items:start;}
.site-footer .flogo{height:41px;width:auto;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.92;}
.site-footer .fbrand{font-family:var(--serif);font-size:19px;color:#fff;margin-bottom:14px;}
.site-footer .fbrand small{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.18em;color:#6b7180;margin-top:4px;}
.site-footer h5{color:#fff;font-family:var(--sans);font-size:13px;letter-spacing:.06em;margin:0 0 14px;font-weight:600;}
.site-footer a:hover{color:#fff;}
.site-footer .frow{line-height:2.1;}
.site-footer .copyright{margin-top:42px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#6b7180;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}

/* ---------- generic cards / chips ---------- */
.tag{display:inline-block;font-size:12.5px;font-weight:600;color:var(--gold);background:var(--gold-tint);border-radius:2px;padding:4px 11px;letter-spacing:.02em;}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:.25s;}
.card:hover{border-color:var(--line-strong);box-shadow:0 14px 34px rgba(31,45,77,.08);transform:translateY(-2px);}

/* ---------- image slots ---------- */
image-slot{--is-bg:var(--paper-2);background:var(--paper-2);}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.16,.84,.44,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- page hero (sub pages) ---------- */
.page-hero{background:var(--navy);color:#fff;padding:calc(var(--nav-h) + 70px) 0 70px;position:relative;overflow:hidden;}
.page-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border:1px solid rgba(198,171,120,.25);border-radius:50%;}
.page-hero .eyebrow{color:var(--gold-soft);}
.page-hero h1{color:#fff;font-size:clamp(32px,4.4vw,50px);}
.page-hero p{color:#c3c8d4;max-width:640px;margin:18px 0 0;}
.crumb{font-size:13px;color:#8b91a1;margin-bottom:22px;letter-spacing:.04em;}
.crumb a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav{display:none;}
  .menu-toggle{display:flex;}
}
@media (max-width:860px){
  .section{padding:72px 0;}
  .container{padding:0 22px;}
  .site-footer .fgrid{grid-template-columns:1fr;gap:32px;}
  .quick-rail{right:14px;bottom:16px;flex-direction:row;}
  .quick-rail a{width:54px;height:54px;}
  .quick-rail .top{display:none;}
}
@media (max-width:600px){
  .section{padding:56px 0;}
  .section.tight{padding:46px 0;}
  .container{padding:0 18px;}
  .page-hero{padding:calc(var(--nav-h) + 42px) 0 46px;}
  .page-hero h1{font-size:clamp(27px,7.6vw,38px);}
  .page-hero p{font-size:15px;}
  .crumb{margin-bottom:16px;}
  .btn-lg{padding:15px 22px;font-size:15px;}
  .quick-rail{right:12px;bottom:12px;gap:8px;}
  .quick-rail a{width:50px;height:50px;font-size:9.5px;}
  .quick-rail a .ic{font-size:17px;}
  .site-footer .copyright{flex-direction:column;gap:8px;}
}